diff options
Diffstat (limited to 'collectors/python.d.plugin/python_modules')
90 files changed, 0 insertions, 24966 deletions
diff --git a/collectors/python.d.plugin/python_modules/__init__.py b/collectors/python.d.plugin/python_modules/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/ExecutableService.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/ExecutableService.py deleted file mode 100644 index a74b4239e..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/ExecutableService.py +++ /dev/null @@ -1,91 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Pawel Krupa (paulfantom) -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import os - -from subprocess import Popen, PIPE - -from bases.FrameworkServices.SimpleService import SimpleService -from bases.collection import find_binary - - -class ExecutableService(SimpleService): - def __init__(self, configuration=None, name=None): - SimpleService.__init__(self, configuration=configuration, name=name) - self.command = None - - def _get_raw_data(self, stderr=False, command=None): - """ - Get raw data from executed command - :return: <list> - """ - command = command or self.command - self.debug("Executing command '{0}'".format(' '.join(command))) - try: - p = Popen(command, stdout=PIPE, stderr=PIPE) - except Exception as error: - self.error('Executing command {0} resulted in error: {1}'.format(command, error)) - return None - - data = list() - std = p.stderr if stderr else p.stdout - for line in std: - try: - data.append(line.decode('utf-8')) - except (TypeError, UnicodeDecodeError): - continue - - return data - - def check(self): - """ - Parse basic configuration, check if command is whitelisted and is returning values - :return: <boolean> - """ - # Preference: 1. "command" from configuration file 2. "command" from plugin (if specified) - if 'command' in self.configuration: - self.command = self.configuration['command'] - - # "command" must be: 1.not None 2. type <str> - if not (self.command and isinstance(self.command, str)): - self.error('Command is not defined or command type is not <str>') - return False - - # Split "command" into: 1. command <str> 2. options <list> - command, opts = self.command.split()[0], self.command.split()[1:] - - # Check for "bad" symbols in options. No pipes, redirects etc. - opts_list = ['&', '|', ';', '>', '<'] - bad_opts = set(''.join(opts)) & set(opts_list) - if bad_opts: - self.error("Bad command argument(s): {opts}".format(opts=bad_opts)) - return False - - # Find absolute path ('echo' => '/bin/echo') - if '/' not in command: - command = find_binary(command) - if not command: - self.error('Can\'t locate "{command}" binary'.format(command=self.command)) - return False - # Check if binary exist and executable - else: - if not os.access(command, os.X_OK): - self.error('"{binary}" is not executable'.format(binary=command)) - return False - - self.command = [command] + opts if opts else [command] - - try: - data = self._get_data() - except Exception as error: - self.error('_get_data() failed. Command: {command}. Error: {error}'.format(command=self.command, - error=error)) - return False - - if isinstance(data, dict) and data: - return True - self.error('Command "{command}" returned no data'.format(command=self.command)) - return False diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/LogService.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/LogService.py deleted file mode 100644 index a55e33f52..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/LogService.py +++ /dev/null @@ -1,82 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Pawel Krupa (paulfantom) -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -from glob import glob -import sys -import os - -from bases.FrameworkServices.SimpleService import SimpleService - - -class LogService(SimpleService): - def __init__(self, configuration=None, name=None): - SimpleService.__init__(self, configuration=configuration, name=name) - self.log_path = self.configuration.get('path') - self.__glob_path = self.log_path - self._last_position = 0 - self.__re_find = dict(current=0, run=0, maximum=60) - self.__open_args = {'errors': 'replace'} if sys.version_info[0] > 2 else {} - - def _get_raw_data(self): - """ - Get log lines since last poll - :return: list - """ - lines = list() - try: - if self.__re_find['current'] == self.__re_find['run']: - self._find_recent_log_file() - size = os.path.getsize(self.log_path) - if size == self._last_position: - self.__re_find['current'] += 1 - return list() # return empty list if nothing has changed - elif size < self._last_position: - self._last_position = 0 # read from beginning if file has shrunk - - with open(self.log_path, **self.__open_args) as fp: - fp.seek(self._last_position) - for line in fp: - lines.append(line) - self._last_position = fp.tell() - self.__re_find['current'] = 0 - except (OSError, IOError) as error: - self.__re_find['current'] += 1 - self.error(str(error)) - - return lines or None - - def _find_recent_log_file(self): - """ - :return: - """ - self.__re_find['run'] = self.__re_find['maximum'] - self.__re_find['current'] = 0 - self.__glob_path = self.__glob_path or self.log_path # workaround for modules w/o config files - path_list = glob(self.__glob_path) - if path_list: - self.log_path = max(path_list) - return True - return False - - def check(self): - """ - Parse basic configuration and check if log file exists - :return: boolean - """ - if not self.log_path: - self.error('No path to log specified') - return None - - if self._find_recent_log_file() and os.access(self.log_path, os.R_OK) and os.path.isfile(self.log_path): - return True - self.error('Cannot access {0}'.format(self.log_path)) - return False - - def create(self): - # set cursor at last byte of log file - self._last_position = os.path.getsize(self.log_path) - status = SimpleService.create(self) - return status diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/MySQLService.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/MySQLService.py deleted file mode 100644 index 7f5c7d221..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/MySQLService.py +++ /dev/null @@ -1,163 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -from sys import exc_info - -try: - import MySQLdb - - PY_MYSQL = True -except ImportError: - try: - import pymysql as MySQLdb - - PY_MYSQL = True - except ImportError: - PY_MYSQL = False - -from bases.FrameworkServices.SimpleService import SimpleService - - -class MySQLService(SimpleService): - def __init__(self, configuration=None, name=None): - SimpleService.__init__(self, configuration=configuration, name=name) - self.__connection = None - self.__conn_properties = dict() - self.extra_conn_properties = dict() - self.__queries = self.configuration.get('queries', dict()) - self.queries = dict() - - def __connect(self): - try: - connection = MySQLdb.connect(connect_timeout=self.update_every, **self.__conn_properties) - except (MySQLdb.MySQLError, TypeError, AttributeError) as error: - return None, str(error) - else: - return connection, None - - def check(self): - def get_connection_properties(conf, extra_conf): - properties = dict() - if conf.get('user'): - properties['user'] = conf['user'] - if conf.get('pass'): - properties['passwd'] = conf['pass'] - - if conf.get('socket'): - properties['unix_socket'] = conf['socket'] - elif conf.get('host'): - properties['host'] = conf['host'] - properties['port'] = int(conf.get('port', 3306)) - elif conf.get('my.cnf'): - properties['read_default_file'] = conf['my.cnf'] - - if conf.get('ssl'): - properties['ssl'] = conf['ssl'] - - if isinstance(extra_conf, dict) and extra_conf: - properties.update(extra_conf) - - return properties or None - - def is_valid_queries_dict(raw_queries, log_error): - """ - :param raw_queries: dict: - :param log_error: function: - :return: dict or None - - raw_queries is valid when: type <dict> and not empty after is_valid_query(for all queries) - """ - - def is_valid_query(query): - return all([isinstance(query, str), - query.startswith(('SELECT', 'select', 'SHOW', 'show'))]) - - if hasattr(raw_queries, 'keys') and raw_queries: - valid_queries = dict([(n, q) for n, q in raw_queries.items() if is_valid_query(q)]) - bad_queries = set(raw_queries) - set(valid_queries) - - if bad_queries: - log_error('Removed query(s): {queries}'.format(queries=bad_queries)) - return valid_queries - else: - log_error('Unsupported "queries" format. Must be not empty <dict>') - return None - - if not PY_MYSQL: - self.error('MySQLdb or PyMySQL module is needed to use mysql.chart.py plugin') - return False - - # Preference: 1. "queries" from the configuration file 2. "queries" from the module - self.queries = self.__queries or self.queries - # Check if "self.queries" exist, not empty and all queries are in valid format - self.queries = is_valid_queries_dict(self.queries, self.error) - if not self.queries: - return None - - # Get connection properties - self.__conn_properties = get_connection_properties(self.configuration, self.extra_conn_properties) - if not self.__conn_properties: - self.error('Connection properties are missing') - return False - - # Create connection to the database - self.__connection, error = self.__connect() - if error: - self.error('Can\'t establish connection to MySQL: {error}'.format(error=error)) - return False - - try: - data = self._get_data() - except Exception as error: - self.error('_get_data() failed. Error: {error}'.format(error=error)) - return False - - if isinstance(data, dict) and data: - return True - self.error("_get_data() returned no data or type is not <dict>") - return False - - def _get_raw_data(self, description=None): - """ - Get raw data from MySQL server - :return: dict: fetchall() or (fetchall(), description) - """ - - if not self.__connection: - self.__connection, error = self.__connect() - if error: - return None - - raw_data = dict() - queries = dict(self.queries) - try: - cursor = self.__connection.cursor() - for name, query in queries.items(): - try: - cursor.execute(query) - except (MySQLdb.ProgrammingError, MySQLdb.OperationalError) as error: - if self.__is_error_critical(err_class=exc_info()[0], err_text=str(error)): - cursor.close() - raise RuntimeError - self.error('Removed query: {name}[{query}]. Error: error'.format(name=name, - query=query, - error=error)) - self.queries.pop(name) - continue - else: - raw_data[name] = (cursor.fetchall(), cursor.description) if description else cursor.fetchall() - cursor.close() - self.__connection.commit() - except (MySQLdb.MySQLError, RuntimeError, TypeError, AttributeError): - self.__connection.close() - self.__connection = None - return None - else: - return raw_data or None - - @staticmethod - def __is_error_critical(err_class, err_text): - return err_class == MySQLdb.OperationalError and all(['denied' not in err_text, - 'Unknown column' not in err_text]) diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/SimpleService.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/SimpleService.py deleted file mode 100644 index 3f122e1d9..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/SimpleService.py +++ /dev/null @@ -1,261 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Pawel Krupa (paulfantom) -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import os - -from bases.charts import Charts, ChartError, create_runtime_chart -from bases.collection import safe_print -from bases.loggers import PythonDLogger -from third_party.monotonic import monotonic -from time import sleep, time - -RUNTIME_CHART_UPDATE = 'BEGIN netdata.runtime_{job_name} {since_last}\n' \ - 'SET run_time = {elapsed}\n' \ - 'END\n' - -PENALTY_EVERY = 5 -MAX_PENALTY = 10 * 60 # 10 minutes - -ND_INTERNAL_MONITORING_DISABLED = os.getenv("NETDATA_INTERNALS_MONITORING") == "NO" - - -class RuntimeCounters: - def __init__(self, configuration): - """ - :param configuration: <dict> - """ - self.update_every = int(configuration.pop('update_every')) - self.do_penalty = configuration.pop('penalty') - - self.start_mono = 0 - self.start_real = 0 - self.retries = 0 - self.penalty = 0 - self.elapsed = 0 - self.prev_update = 0 - - self.runs = 1 - - def calc_next(self): - self.start_mono = monotonic() - return self.start_mono - (self.start_mono % self.update_every) + self.update_every + self.penalty - - def sleep_until_next(self): - next_time = self.calc_next() - while self.start_mono < next_time: - sleep(next_time - self.start_mono) - self.start_mono = monotonic() - self.start_real = time() - - def handle_retries(self): - self.retries += 1 - if self.do_penalty and self.retries % PENALTY_EVERY == 0: - self.penalty = round(min(self.retries * self.update_every / 2, MAX_PENALTY)) - - -def clean_module_name(name): - if name.startswith('pythond_'): - return name[8:] - return name - - -class SimpleService(PythonDLogger, object): - """ - Prototype of Service class. - Implemented basic functionality to run jobs by `python.d.plugin` - """ - - def __init__(self, configuration, name=''): - """ - :param configuration: <dict> - :param name: <str> - """ - PythonDLogger.__init__(self) - self.configuration = configuration - self.order = list() - self.definitions = dict() - - self.module_name = clean_module_name(self.__module__) - self.job_name = configuration.pop('job_name') - self.actual_job_name = self.job_name or self.module_name - self.override_name = configuration.pop('override_name') - self.fake_name = None - - self._runtime_counters = RuntimeCounters(configuration=configuration) - self.charts = Charts(job_name=self.actual_name, - actual_job_name=self.actual_job_name, - priority=configuration.pop('priority'), - cleanup=configuration.pop('chart_cleanup'), - get_update_every=self.get_update_every, - module_name=self.module_name) - - def __repr__(self): - return '<{cls_bases}: {name}>'.format(cls_bases=', '.join(c.__name__ for c in self.__class__.__bases__), - name=self.name) - - @property - def name(self): - name = self.override_name or self.job_name - if name and name != self.module_name: - return '_'.join([self.module_name, name]) - return self.module_name - - def actual_name(self): - return self.fake_name or self.name - - @property - def runs_counter(self): - return self._runtime_counters.runs - - @property - def update_every(self): - return self._runtime_counters.update_every - - @update_every.setter - def update_every(self, value): - """ - :param value: <int> - :return: - """ - self._runtime_counters.update_every = value - - def get_update_every(self): - return self.update_every - - def check(self): - """ - check() prototype - :return: boolean - """ - self.debug("job doesn't implement check() method. Using default which simply invokes get_data().") - data = self.get_data() - if data and isinstance(data, dict): - return True - self.debug('returned value is wrong: {0}'.format(data)) - return False - - @create_runtime_chart - def create(self): - for chart_name in self.order: - chart_config = self.definitions.get(chart_name) - - if not chart_config: - self.debug("create() => [NOT ADDED] chart '{chart_name}' not in definitions. " - "Skipping it.".format(chart_name=chart_name)) - continue - - # create chart - chart_params = [chart_name] + chart_config['options'] - try: - self.charts.add_chart(params=chart_params) - except ChartError as error: - self.error("create() => [NOT ADDED] (chart '{chart}': {error})".format(chart=chart_name, - error=error)) - continue - - # add dimensions to chart - for dimension in chart_config['lines']: - try: - self.charts[chart_name].add_dimension(dimension) - except ChartError as error: - self.error("create() => [NOT ADDED] (dimension '{dimension}': {error})".format(dimension=dimension, - error=error)) - continue - - # add variables to chart - if 'variables' in chart_config: - for variable in chart_config['variables']: - try: - self.charts[chart_name].add_variable(variable) - except ChartError as error: - self.error("create() => [NOT ADDED] (variable '{var}': {error})".format(var=variable, - error=error)) - continue - - del self.order - del self.definitions - - # True if job has at least 1 chart else False - return bool(self.charts) - - def run(self): - """ - Runs job in thread. Handles retries. - Exits when job failed or timed out. - :return: None - """ - job = self._runtime_counters - self.debug('started, update frequency: {freq}'.format(freq=job.update_every)) - - while True: - job.sleep_until_next() - - since = 0 - if job.prev_update: - since = int((job.start_real - job.prev_update) * 1e6) - - try: - updated = self.update(interval=since) - except Exception as error: - self.error('update() unhandled exception: {error}'.format(error=error)) - updated = False - - job.runs += 1 - - if not updated: - job.handle_retries() - else: - job.elapsed = int((monotonic() - job.start_mono) * 1e3) - job.prev_update = job.start_real - job.retries, job.penalty = 0, 0 - if not ND_INTERNAL_MONITORING_DISABLED: - safe_print(RUNTIME_CHART_UPDATE.format(job_name=self.name, - since_last=since, - elapsed=job.elapsed)) - self.debug('update => [{status}] (elapsed time: {elapsed}, failed retries in a row: {retries})'.format( - status='OK' if updated else 'FAILED', - elapsed=job.elapsed if updated else '-', - retries=job.retries)) - - def update(self, interval): - """ - :return: - """ - data = self.get_data() - if not data: - self.debug('get_data() returned no data') - return False - elif not isinstance(data, dict): - self.debug('get_data() returned incorrect type data') - return False - - updated = False - - for chart in self.charts: - if chart.flags.obsoleted: - if chart.can_be_updated(data): - chart.refresh() - else: - continue - elif self.charts.cleanup and chart.penalty >= self.charts.cleanup: - chart.obsolete() - self.info("chart '{0}' was suppressed due to non updating".format(chart.name)) - continue - - ok = chart.update(data, interval) - if ok: - updated = True - - if not updated: - self.debug('none of the charts has been updated') - - return updated - - def get_data(self): - return self._get_data() - - def _get_data(self): - raise NotImplementedError diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/SocketService.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/SocketService.py deleted file mode 100644 index d6c755058..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/SocketService.py +++ /dev/null @@ -1,336 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Pawel Krupa (paulfantom) -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import errno -import socket - -try: - import ssl -except ImportError: - _TLS_SUPPORT = False -else: - _TLS_SUPPORT = True - -if _TLS_SUPPORT: - try: - PROTOCOL_TLS = ssl.PROTOCOL_TLS - except AttributeError: - PROTOCOL_TLS = ssl.PROTOCOL_SSLv23 - -from bases.FrameworkServices.SimpleService import SimpleService - - -DEFAULT_CONNECT_TIMEOUT = 2.0 -DEFAULT_READ_TIMEOUT = 2.0 -DEFAULT_WRITE_TIMEOUT = 2.0 - - -class SocketService(SimpleService): - def __init__(self, configuration=None, name=None): - self._sock = None - self._keep_alive = False - self.host = 'localhost' - self.port = None - self.unix_socket = None - self.dgram_socket = False - self.request = '' - self.tls = False - self.cert = None - self.key = None - self.__socket_config = None - self.__empty_request = "".encode() - SimpleService.__init__(self, configuration=configuration, name=name) - self.connect_timeout = configuration.get('connect_timeout', DEFAULT_CONNECT_TIMEOUT) - self.read_timeout = configuration.get('read_timeout', DEFAULT_READ_TIMEOUT) - self.write_timeout = configuration.get('write_timeout', DEFAULT_WRITE_TIMEOUT) - - def _socket_error(self, message=None): - if self.unix_socket is not None: - self.error('unix socket "{socket}": {message}'.format(socket=self.unix_socket, - message=message)) - else: - if self.__socket_config is not None: - _, _, _, _, sa = self.__socket_config - self.error('socket to "{address}" port {port}: {message}'.format(address=sa[0], - port=sa[1], - message=message)) - else: - self.error('unknown socket: {0}'.format(message)) - - def _connect2socket(self, res=None): - """ - Connect to a socket, passing the result of getaddrinfo() - :return: boolean - """ - if res is None: - res = self.__socket_config - if res is None: - self.error("Cannot create socket to 'None':") - return False - - af, sock_type, proto, _, sa = res - try: - self.debug('Creating socket to "{address}", port {port}'.format(address=sa[0], port=sa[1])) - self._sock = socket.socket(af, sock_type, proto) - except socket.error as error: - self.error('Failed to create socket "{address}", port {port}, error: {error}'.format(address=sa[0], - port=sa[1], - error=error)) - self._sock = None - self.__socket_config = None - return False - - if self.tls: - try: - self.debug('Encapsulating socket with TLS') - self.debug('Using keyfile: {0}, certfile: {1}, cert_reqs: {2}, ssl_version: {3}'.format( - self.key, self.cert, ssl.CERT_NONE, PROTOCOL_TLS - )) - self._sock = ssl.wrap_socket(self._sock, - keyfile=self.key, - certfile=self.cert, - server_side=False, - cert_reqs=ssl.CERT_NONE, - ssl_version=PROTOCOL_TLS, - ) - except (socket.error, ssl.SSLError, IOError, OSError) as error: - self.error('failed to wrap socket : {0}'.format(repr(error))) - self._disconnect() - self.__socket_config = None - return False - - try: - self.debug('connecting socket to "{address}", port {port}'.format(address=sa[0], port=sa[1])) - self._sock.settimeout(self.connect_timeout) - self.debug('set socket connect timeout to: {0}'.format(self._sock.gettimeout())) - self._sock.connect(sa) - except (socket.error, ssl.SSLError) as error: - self.error('Failed to connect to "{address}", port {port}, error: {error}'.format(address=sa[0], - port=sa[1], - error=error)) - self._disconnect() - self.__socket_config = None - return False - - self.debug('connected to "{address}", port {port}'.format(address=sa[0], port=sa[1])) - self.__socket_config = res - return True - - def _connect2unixsocket(self): - """ - Connect to a unix socket, given its filename - :return: boolean - """ - if self.unix_socket is None: - self.error("cannot connect to unix socket 'None'") - return False - - try: - self.debug('attempting DGRAM unix socket "{0}"'.format(self.unix_socket)) - self._sock = socket.socket(socket.AF_UNIX, socket.SOCK_DGRAM) - self._sock.settimeout(self.connect_timeout) - self.debug('set socket connect timeout to: {0}'.format(self._sock.gettimeout())) - self._sock.connect(self.unix_socket) - self.debug('connected DGRAM unix socket "{0}"'.format(self.unix_socket)) - return True - except socket.error as error: - self.debug('Failed to connect DGRAM unix socket "{socket}": {error}'.format(socket=self.unix_socket, - error=error)) - - try: - self.debug('attempting STREAM unix socket "{0}"'.format(self.unix_socket)) - self._sock = socket.socket(socket.AF_UNIX, socket.SOCK_STREAM) - self._sock.settimeout(self.connect_timeout) - self.debug('set socket connect timeout to: {0}'.format(self._sock.gettimeout())) - self._sock.connect(self.unix_socket) - self.debug('connected STREAM unix socket "{0}"'.format(self.unix_socket)) - return True - except socket.error as error: - self.debug('Failed to connect STREAM unix socket "{socket}": {error}'.format(socket=self.unix_socket, - error=error)) - self._sock = None - return False - - def _connect(self): - """ - Recreate socket and connect to it since sockets cannot be reused after closing - Available configurations are IPv6, IPv4 or UNIX socket - :return: - """ - try: - if self.unix_socket is not None: - self._connect2unixsocket() - - else: - if self.__socket_config is not None: - self._connect2socket() - else: - if self.dgram_socket: - sock_type = socket.SOCK_DGRAM - else: - sock_type = socket.SOCK_STREAM - for res in socket.getaddrinfo(self.host, self.port, socket.AF_UNSPEC, sock_type): - if self._connect2socket(res): - break - - except Exception as error: - self.error('unhandled exception during connect : {0}'.format(repr(error))) - self._sock = None - self.__socket_config = None - - def _disconnect(self): - """ - Close socket connection - :return: - """ - if self._sock is not None: - try: - self.debug('closing socket') - self._sock.shutdown(2) # 0 - read, 1 - write, 2 - all - self._sock.close() - except Exception as error: - if not (hasattr(error, 'errno') and error.errno == errno.ENOTCONN): - self.error(error) - self._sock = None - - def _send(self, request=None): - """ - Send request. - :return: boolean - """ - # Send request if it is needed - if self.request != self.__empty_request: - try: - self.debug('set socket write timeout to: {0}'.format(self._sock.gettimeout())) - self._sock.settimeout(self.write_timeout) - self.debug('sending request: {0}'.format(request or self.request)) - self._sock.send(request or self.request) - except Exception as error: - self._socket_error('error sending request: {0}'.format(error)) - self._disconnect() - return False - return True - - def _receive(self, raw=False): - """ - Receive data from socket - :param raw: set `True` to return bytes - :type raw: bool - :return: decoded str or raw bytes - :rtype: str/bytes - """ - data = "" if not raw else b"" - while True: - self.debug('receiving response') - try: - self.debug('set socket read timeout to: {0}'.format(self._sock.gettimeout())) - self._sock.settimeout(self.read_timeout) - buf = self._sock.recv(4096) - except Exception as error: - self._socket_error('failed to receive response: {0}'.format(error)) - self._disconnect() - break - - if buf is None or len(buf) == 0: # handle server disconnect - if data == "" or data == b"": - self._socket_error('unexpectedly disconnected') - else: - self.debug('server closed the connection') - self._disconnect() - break - - self.debug('received data') - data += buf.decode('utf-8', 'ignore') if not raw else buf - if self._check_raw_data(data): - break - - self.debug(u'final response: {0}'.format(data if not raw else u'binary data')) - return data - - def _get_raw_data(self, raw=False, request=None): - """ - Get raw data with low-level "socket" module. - :param raw: set `True` to return bytes - :type raw: bool - :return: decoded data (str) or raw data (bytes) - :rtype: str/bytes - """ - if self._sock is None: - self._connect() - if self._sock is None: - return None - - # Send request if it is needed - if not self._send(request): - return None - - data = self._receive(raw) - - if not self._keep_alive: - self._disconnect() - - return data - - @staticmethod - def _check_raw_data(data): - """ - Check if all data has been gathered from socket - :param data: str - :return: boolean - """ - return bool(data) - - def _parse_config(self): - """ - Parse configuration data - :return: boolean - """ - try: - self.unix_socket = str(self.configuration['socket']) - except (KeyError, TypeError): - self.debug('No unix socket specified. Trying TCP/IP socket.') - self.unix_socket = None - try: - self.host = str(self.configuration['host']) - except (KeyError, TypeError): - self.debug('No host specified. Using: "{0}"'.format(self.host)) - try: - self.port = int(self.configuration['port']) - except (KeyError, TypeError): - self.debug('No port specified. Using: "{0}"'.format(self.port)) - - self.tls = bool(self.configuration.get('tls', self.tls)) - if self.tls and not _TLS_SUPPORT: - self.warning('TLS requested but no TLS module found, disabling TLS support.') - self.tls = False - if _TLS_SUPPORT and not self.tls: - self.debug('No TLS preference specified, not using TLS.') - - if self.tls and _TLS_SUPPORT: - self.key = self.configuration.get('tls_key_file') - self.cert = self.configuration.get('tls_cert_file') - if not self.cert: - # If there's not a valid certificate, clear the key too. - self.debug('No valid TLS client certificate configuration found.') - self.key = None - self.cert = None - elif not self.key: - # If a key isn't listed, the config may still be - # valid, because there may be a key attached to the - # certificate. - self.info('No TLS client key specified, assuming it\'s attached to the certificate.') - self.key = None - - try: - self.request = str(self.configuration['request']) - except (KeyError, TypeError): - self.debug('No request specified. Using: "{0}"'.format(self.request)) - - self.request = self.request.encode() - - def check(self): - self._parse_config() - return SimpleService.check(self) diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/UrlService.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/UrlService.py deleted file mode 100644 index 76129d376..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/UrlService.py +++ /dev/null @@ -1,188 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Pawel Krupa (paulfantom) -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import urllib3 - -from bases.FrameworkServices.SimpleService import SimpleService - -try: - urllib3.disable_warnings() -except AttributeError: - pass - -URLLIB3_VERSION = urllib3.__version__ -URLLIB3 = 'urllib3' - -class UrlService(SimpleService): - def __init__(self, configuration=None, name=None): - SimpleService.__init__(self, configuration=configuration, name=name) - self.debug("{0} version: {1}".format(URLLIB3, URLLIB3_VERSION)) - self.url = self.configuration.get('url') - self.user = self.configuration.get('user') - self.password = self.configuration.get('pass') - self.proxy_user = self.configuration.get('proxy_user') - self.proxy_password = self.configuration.get('proxy_pass') - self.proxy_url = self.configuration.get('proxy_url') - self.method = self.configuration.get('method', 'GET') - self.header = self.configuration.get('header') - self.body = self.configuration.get('body') - self.request_timeout = self.configuration.get('timeout', 1) - self.respect_retry_after_header = self.configuration.get('respect_retry_after_header') - self.tls_verify = self.configuration.get('tls_verify') - self.tls_ca_file = self.configuration.get('tls_ca_file') - self.tls_key_file = self.configuration.get('tls_key_file') - self.tls_cert_file = self.configuration.get('tls_cert_file') - self._manager = None - - def __make_headers(self, **header_kw): - user = header_kw.get('user') or self.user - password = header_kw.get('pass') or self.password - proxy_user = header_kw.get('proxy_user') or self.proxy_user - proxy_password = header_kw.get('proxy_pass') or self.proxy_password - custom_header = header_kw.get('header') or self.header - header_params = dict(keep_alive=True) - proxy_header_params = dict() - if user and password: - header_params['basic_auth'] = '{user}:{password}'.format(user=user, - password=password) - if proxy_user and proxy_password: - proxy_header_params['proxy_basic_auth'] = '{user}:{password}'.format(user=proxy_user, - password=proxy_password) - try: - header, proxy_header = urllib3.make_headers(**header_params), urllib3.make_headers(**proxy_header_params) - except TypeError as error: - self.error('build_header() error: {error}'.format(error=error)) - return None, None - else: - header.update(custom_header or dict()) - return header, proxy_header - - def _build_manager(self, **header_kw): - header, proxy_header = self.__make_headers(**header_kw) - if header is None or proxy_header is None: - return None - proxy_url = header_kw.get('proxy_url') or self.proxy_url - if proxy_url: - manager = urllib3.ProxyManager - params = dict(proxy_url=proxy_url, headers=header, proxy_headers=proxy_header) - else: - manager = urllib3.PoolManager - params = dict(headers=header) - tls_cert_file = self.tls_cert_file - if tls_cert_file: - params['cert_file'] = tls_cert_file - # NOTE: key_file is useless without cert_file, but - # cert_file may include the key as well. - tls_key_file = self.tls_key_file - if tls_key_file: - params['key_file'] = tls_key_file - tls_ca_file = self.tls_ca_file - if tls_ca_file: - params['ca_certs'] = tls_ca_file - try: - url = header_kw.get('url') or self.url - is_https = url.startswith('https') - if skip_tls_verify(is_https, self.tls_verify, tls_ca_file): - params['ca_certs'] = None - params['cert_reqs'] = 'CERT_NONE' - if is_https: - params['assert_hostname'] = False - return manager(**params) - except (urllib3.exceptions.ProxySchemeUnknown, TypeError) as error: - self.error('build_manager() error:', str(error)) - return None - - def _get_raw_data(self, url=None, manager=None, **kwargs): - """ - Get raw data from http request - :return: str - """ - try: - response = self._do_request(url, manager, **kwargs) - except Exception as error: - self.error('Url: {url}. Error: {error}'.format(url=url or self.url, error=error)) - return None - - if response.status == 200: - if isinstance(response.data, str): - return response.data - return response.data.decode(errors='ignore') - else: - self.debug('Url: {url}. Http response status code: {code}'.format(url=url or self.url, code=response.status)) - return None - - def _get_raw_data_with_status(self, url=None, manager=None, retries=1, redirect=True, **kwargs): - """ - Get status and response body content from http request. Does not catch exceptions - :return: int, str - """ - response = self._do_request(url, manager, retries, redirect, **kwargs) - - if isinstance(response.data, str): - return response.status, response.data - return response.status, response.data.decode(errors='ignore') - - def _do_request(self, url=None, manager=None, retries=1, redirect=True, **kwargs): - """ - Get response from http request. Does not catch exceptions - :return: HTTPResponse - """ - url = url or self.url - manager = manager or self._manager - retry = urllib3.Retry(retries) - if hasattr(retry, 'respect_retry_after_header'): - retry.respect_retry_after_header = bool(self.respect_retry_after_header) - - if self.body: - kwargs['body'] = self.body - - response = manager.request( - method=self.method, - url=url, - timeout=self.request_timeout, - retries=retry, - headers=manager.headers, - redirect=redirect, - **kwargs - ) - return response - - def check(self): - """ - Format configuration data and try to connect to server - :return: boolean - """ - if not (self.url and isinstance(self.url, str)): - self.error('URL is not defined or type is not <str>') - return False - - self._manager = self._build_manager() - if not self._manager: - return False - - try: - data = self._get_data() - except Exception as error: - self.error('_get_data() failed. Url: {url}. Error: {error}'.format(url=self.url, error=error)) - return False - - if isinstance(data, dict) and data: - return True - self.error('_get_data() returned no data or type is not <dict>') - return False - - -def skip_tls_verify(is_https, tls_verify, tls_ca_file): - # default 'tls_verify' value is None - # logic is: - # - never skip if there is 'tls_ca_file' file - # - skip by default for https - # - do not skip by default for http - if tls_ca_file: - return False - if is_https and not tls_verify: - return True - return tls_verify is False diff --git a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/__init__.py b/collectors/python.d.plugin/python_modules/bases/FrameworkServices/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/bases/FrameworkServices/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/bases/__init__.py b/collectors/python.d.plugin/python_modules/bases/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/bases/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/bases/charts.py b/collectors/python.d.plugin/python_modules/bases/charts.py deleted file mode 100644 index 203ad1672..000000000 --- a/collectors/python.d.plugin/python_modules/bases/charts.py +++ /dev/null @@ -1,431 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import os - -from bases.collection import safe_print - -CHART_PARAMS = ['type', 'id', 'name', 'title', 'units', 'family', 'context', 'chart_type', 'hidden'] -DIMENSION_PARAMS = ['id', 'name', 'algorithm', 'multiplier', 'divisor', 'hidden'] -VARIABLE_PARAMS = ['id', 'value'] - -CHART_TYPES = ['line', 'area', 'stacked'] -DIMENSION_ALGORITHMS = ['absolute', 'incremental', 'percentage-of-absolute-row', 'percentage-of-incremental-row'] - -CHART_BEGIN = 'BEGIN {type}.{id} {since_last}\n' -CHART_CREATE = "CHART {type}.{id} '{name}' '{title}' '{units}' '{family}' '{context}' " \ - "{chart_type} {priority} {update_every} '{hidden}' 'python.d.plugin' '{module_name}'\n" -CHART_OBSOLETE = "CHART {type}.{id} '{name}' '{title}' '{units}' '{family}' '{context}' " \ - "{chart_type} {priority} {update_every} '{hidden} obsolete'\n" - -CLABEL_COLLECT_JOB = "CLABEL '_collect_job' '{actual_job_name}' '0'\n" -CLABEL_COMMIT = "CLABEL_COMMIT\n" - -DIMENSION_CREATE = "DIMENSION '{id}' '{name}' {algorithm} {multiplier} {divisor} '{hidden} {obsolete}'\n" -DIMENSION_SET = "SET '{id}' = {value}\n" - -CHART_VARIABLE_SET = "VARIABLE CHART '{id}' = {value}\n" - -# 1 is label source auto -# https://github.com/netdata/netdata/blob/cc2586de697702f86a3c34e60e23652dd4ddcb42/database/rrd.h#L205 -RUNTIME_CHART_CREATE = "CHART netdata.runtime_{job_name} '' 'Execution time' 'ms' 'python.d' " \ - "netdata.pythond_runtime line 145000 {update_every} '' 'python.d.plugin' '{module_name}'\n" \ - "CLABEL '_collect_job' '{actual_job_name}' '1'\n" \ - "CLABEL_COMMIT\n" \ - "DIMENSION run_time 'run time' absolute 1 1\n" - -ND_INTERNAL_MONITORING_DISABLED = os.getenv("NETDATA_INTERNALS_MONITORING") == "NO" - - -def create_runtime_chart(func): - """ - Calls a wrapped function, then prints runtime chart to stdout. - - Used as a decorator for SimpleService.create() method. - The whole point of making 'create runtime chart' functionality as a decorator was - to help users who re-implements create() in theirs classes. - - :param func: class method - :return: - """ - - def wrapper(*args, **kwargs): - self = args[0] - if not ND_INTERNAL_MONITORING_DISABLED: - chart = RUNTIME_CHART_CREATE.format( - job_name=self.name, - actual_job_name=self.actual_job_name, - update_every=self._runtime_counters.update_every, - module_name=self.module_name, - ) - safe_print(chart) - ok = func(*args, **kwargs) - return ok - - return wrapper - - -class ChartError(Exception): - """Base-class for all exceptions raised by this module""" - - -class DuplicateItemError(ChartError): - """Occurs when user re-adds a chart or a dimension that has already been added""" - - -class ItemTypeError(ChartError): - """Occurs when user passes value of wrong type to Chart, Dimension or ChartVariable class""" - - -class ItemValueError(ChartError): - """Occurs when user passes inappropriate value to Chart, Dimension or ChartVariable class""" - - -class Charts: - """Represent a collection of charts - - All charts stored in a dict. - Chart is a instance of Chart class. - Charts adding must be done using Charts.add_chart() method only""" - - def __init__(self, job_name, actual_job_name, priority, cleanup, get_update_every, module_name): - """ - :param job_name: <bound method> - :param priority: <int> - :param get_update_every: <bound method> - """ - self.job_name = job_name - self.actual_job_name = actual_job_name - self.priority = priority - self.cleanup = cleanup - self.get_update_every = get_update_every - self.module_name = module_name - self.charts = dict() - - def __len__(self): - return len(self.charts) - - def __iter__(self): - return iter(self.charts.values()) - - def __repr__(self): - return 'Charts({0})'.format(self) - - def __str__(self): - return str([chart for chart in self.charts]) - - def __contains__(self, item): - return item in self.charts - - def __getitem__(self, item): - return self.charts[item] - - def __delitem__(self, key): - del self.charts[key] - - def __bool__(self): - return bool(self.charts) - - def __nonzero__(self): - return self.__bool__() - - def add_chart(self, params): - """ - Create Chart instance and add it to the dict - - Manually adds job name, priority and update_every to params. - :param params: <list> - :return: - """ - params = [self.job_name()] + params - new_chart = Chart(params) - - new_chart.params['update_every'] = self.get_update_every() - new_chart.params['priority'] = self.priority - new_chart.params['module_name'] = self.module_name - new_chart.params['actual_job_name'] = self.actual_job_name - - self.priority += 1 - self.charts[new_chart.id] = new_chart - - return new_chart - - def active_charts(self): - return [chart.id for chart in self if not chart.flags.obsoleted] - - -class Chart: - """Represent a chart""" - - def __init__(self, params): - """ - :param params: <list> - """ - if not isinstance(params, list): - raise ItemTypeError("'chart' must be a list type") - if not len(params) >= 8: - raise ItemValueError("invalid value for 'chart', must be {0}".format(CHART_PARAMS)) - - self.params = dict(zip(CHART_PARAMS, (p or str() for p in params))) - self.name = '{type}.{id}'.format(type=self.params['type'], - id=self.params['id']) - if self.params.get('chart_type') not in CHART_TYPES: - self.params['chart_type'] = 'absolute' - hidden = str(self.params.get('hidden', '')) - self.params['hidden'] = 'hidden' if hidden == 'hidden' else '' - - self.dimensions = list() - self.variables = set() - self.flags = ChartFlags() - self.penalty = 0 - - def __getattr__(self, item): - try: - return self.params[item] - except KeyError: - raise AttributeError("'{instance}' has no attribute '{attr}'".format(instance=repr(self), - attr=item)) - - def __repr__(self): - return 'Chart({0})'.format(self.id) - - def __str__(self): - return self.id - - def __iter__(self): - return iter(self.dimensions) - - def __contains__(self, item): - return item in [dimension.id for dimension in self.dimensions] - - def add_variable(self, variable): - """ - :param variable: <list> - :return: - """ - self.variables.add(ChartVariable(variable)) - - def add_dimension(self, dimension): - """ - :param dimension: <list> - :return: - """ - dim = Dimension(dimension) - - if dim.id in self: - raise DuplicateItemError("'{dimension}' already in '{chart}' dimensions".format(dimension=dim.id, - chart=self.name)) - self.refresh() - self.dimensions.append(dim) - return dim - - def del_dimension(self, dimension_id, hide=True): - if dimension_id not in self: - return - idx = self.dimensions.index(dimension_id) - dimension = self.dimensions[idx] - if hide: - dimension.params['hidden'] = 'hidden' - dimension.params['obsolete'] = 'obsolete' - self.create() - self.dimensions.remove(dimension) - - def hide_dimension(self, dimension_id, reverse=False): - if dimension_id not in self: - return - idx = self.dimensions.index(dimension_id) - dimension = self.dimensions[idx] - dimension.params['hidden'] = 'hidden' if not reverse else str() - self.refresh() - - def create(self): - """ - :return: - """ - chart = CHART_CREATE.format(**self.params) - labels = CLABEL_COLLECT_JOB.format(**self.params) + CLABEL_COMMIT - dimensions = ''.join([dimension.create() for dimension in self.dimensions]) - variables = ''.join([var.set(var.value) for var in self.variables if var]) - - self.flags.push = False - self.flags.created = True - - safe_print(chart + labels + dimensions + variables) - - def can_be_updated(self, data): - for dim in self.dimensions: - if dim.get_value(data) is not None: - return True - return False - - def update(self, data, interval): - updated_dimensions, updated_variables = str(), str() - - for dim in self.dimensions: - value = dim.get_value(data) - if value is not None: - updated_dimensions += dim.set(value) - - for var in self.variables: - value = var.get_value(data) - if value is not None: - updated_variables += var.set(value) - - if updated_dimensions: - since_last = interval if self.flags.updated else 0 - - if self.flags.push: - self.create() - - chart_begin = CHART_BEGIN.format(type=self.type, id=self.id, since_last=since_last) - safe_print(chart_begin, updated_dimensions, updated_variables, 'END\n') - - self.flags.updated = True - self.penalty = 0 - else: - self.penalty += 1 - self.flags.updated = False - - return bool(updated_dimensions) - - def obsolete(self): - self.flags.obsoleted = True - if self.flags.created: - safe_print(CHART_OBSOLETE.format(**self.params)) - - def refresh(self): - self.penalty = 0 - self.flags.push = True - self.flags.obsoleted = False - - -class Dimension: - """Represent a dimension""" - - def __init__(self, params): - """ - :param params: <list> - """ - if not isinstance(params, list): - raise ItemTypeError("'dimension' must be a list type") - if not params: - raise ItemValueError("invalid value for 'dimension', must be {0}".format(DIMENSION_PARAMS)) - - self.params = dict(zip(DIMENSION_PARAMS, (p or str() for p in params))) - self.params['name'] = self.params.get('name') or self.params['id'] - - if self.params.get('algorithm') not in DIMENSION_ALGORITHMS: - self.params['algorithm'] = 'absolute' - if not isinstance(self.params.get('multiplier'), int): - self.params['multiplier'] = 1 - if not isinstance(self.params.get('divisor'), int): - self.params['divisor'] = 1 - self.params.setdefault('hidden', '') - self.params.setdefault('obsolete', '') - - def __getattr__(self, item): - try: - return self.params[item] - except KeyError: - raise AttributeError("'{instance}' has no attribute '{attr}'".format(instance=repr(self), - attr=item)) - - def __repr__(self): - return 'Dimension({0})'.format(self.id) - - def __str__(self): - return self.id - - def __eq__(self, other): - if not isinstance(other, Dimension): - return self.id == other - return self.id == other.id - - def __ne__(self, other): - return not self == other - - def __hash__(self): - return hash(repr(self)) - - def create(self): - return DIMENSION_CREATE.format(**self.params) - - def set(self, value): - """ - :param value: <str>: must be a digit - :return: - """ - return DIMENSION_SET.format(id=self.id, - value=value) - - def get_value(self, data): - try: - return int(data[self.id]) - except (KeyError, TypeError): - return None - - -class ChartVariable: - """Represent a chart variable""" - - def __init__(self, params): - """ - :param params: <list> - """ - if not isinstance(params, list): - raise ItemTypeError("'variable' must be a list type") - if not params: - raise ItemValueError("invalid value for 'variable' must be: {0}".format(VARIABLE_PARAMS)) - - self.params = dict(zip(VARIABLE_PARAMS, params)) - self.params.setdefault('value', None) - - def __getattr__(self, item): - try: - return self.params[item] - except KeyError: - raise AttributeError("'{instance}' has no attribute '{attr}'".format(instance=repr(self), - attr=item)) - - def __bool__(self): - return self.value is not None - - def __nonzero__(self): - return self.__bool__() - - def __repr__(self): - return 'ChartVariable({0})'.format(self.id) - - def __str__(self): - return self.id - - def __eq__(self, other): - if isinstance(other, ChartVariable): - return self.id == other.id - return False - - def __ne__(self, other): - return not self == other - - def __hash__(self): - return hash(repr(self)) - - def set(self, value): - return CHART_VARIABLE_SET.format(id=self.id, - value=value) - - def get_value(self, data): - try: - return int(data[self.id]) - except (KeyError, TypeError): - return None - - -class ChartFlags: - def __init__(self): - self.push = True - self.created = False - self.updated = False - self.obsoleted = False diff --git a/collectors/python.d.plugin/python_modules/bases/collection.py b/collectors/python.d.plugin/python_modules/bases/collection.py deleted file mode 100644 index 93bf8cf05..000000000 --- a/collectors/python.d.plugin/python_modules/bases/collection.py +++ /dev/null @@ -1,117 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import os - -from threading import Lock - -PATH = os.getenv('PATH', '/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin').split(':') - -CHART_BEGIN = 'BEGIN {0} {1}\n' -CHART_CREATE = "CHART {0} '{1}' '{2}' '{3}' '{4}' '{5}' {6} {7} {8}\n" -DIMENSION_CREATE = "DIMENSION '{0}' '{1}' {2} {3} {4} '{5}'\n" -DIMENSION_SET = "SET '{0}' = {1}\n" - -print_lock = Lock() - - -def setdefault_values(config, base_dict): - for key, value in base_dict.items(): - config.setdefault(key, value) - return config - - -def run_and_exit(func): - def wrapper(*args, **kwargs): - func(*args, **kwargs) - exit(1) - - return wrapper - - -def on_try_except_finally(on_except=(None,), on_finally=(None,)): - except_func = on_except[0] - finally_func = on_finally[0] - - def decorator(func): - def wrapper(*args, **kwargs): - try: - func(*args, **kwargs) - except Exception: - if except_func: - except_func(*on_except[1:]) - finally: - if finally_func: - finally_func(*on_finally[1:]) - - return wrapper - - return decorator - - -def static_vars(**kwargs): - def decorate(func): - for k in kwargs: - setattr(func, k, kwargs[k]) - return func - - return decorate - - -@on_try_except_finally(on_except=(exit, 1)) -def safe_print(*msg): - """ - :param msg: - :return: - """ - print_lock.acquire() - print(''.join(msg)) - print_lock.release() - - -def find_binary(binary): - """ - :param binary: <str> - :return: - """ - for directory in PATH: - binary_name = os.path.join(directory, binary) - if os.path.isfile(binary_name) and os.access(binary_name, os.X_OK): - return binary_name - return None - - -def read_last_line(f): - with open(f, 'rb') as opened: - opened.seek(-2, 2) - while opened.read(1) != b'\n': - opened.seek(-2, 1) - if opened.tell() == 0: - break - result = opened.readline() - return result.decode() - - -def unicode_str(arg): - """Return the argument as a unicode string. - - The `unicode` function has been removed from Python3 and `str` takes its - place. This function is a helper which will try using Python 2's `unicode` - and if it doesn't exist, assume we're using Python 3 and use `str`. - - :param arg: - :return: <str> - """ - # TODO: fix - try: - # https://github.com/netdata/netdata/issues/7613 - if isinstance(arg, unicode): - return arg - return unicode(arg, errors='ignore') - # https://github.com/netdata/netdata/issues/7642 - except TypeError: - return unicode(arg) - except NameError: - return str(arg) diff --git a/collectors/python.d.plugin/python_modules/bases/loaders.py b/collectors/python.d.plugin/python_modules/bases/loaders.py deleted file mode 100644 index 095f3a3b1..000000000 --- a/collectors/python.d.plugin/python_modules/bases/loaders.py +++ /dev/null @@ -1,46 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - - -from sys import version_info - -PY_VERSION = version_info[:2] - -try: - if PY_VERSION > (3, 1): - from pyyaml3 import SafeLoader as YamlSafeLoader - else: - from pyyaml2 import SafeLoader as YamlSafeLoader -except ImportError: - from yaml import SafeLoader as YamlSafeLoader - - -try: - from collections import OrderedDict -except ImportError: - from third_party.ordereddict import OrderedDict - - -DEFAULT_MAPPING_TAG = 'tag:yaml.org,2002:map' if PY_VERSION > (3, 1) else u'tag:yaml.org,2002:map' - - -def dict_constructor(loader, node): - return OrderedDict(loader.construct_pairs(node)) - - -YamlSafeLoader.add_constructor(DEFAULT_MAPPING_TAG, dict_constructor) - - -def load_yaml(stream): - loader = YamlSafeLoader(stream) - try: - return loader.get_single_data() - finally: - loader.dispose() - - -def load_config(file_name): - with open(file_name, 'r') as stream: - return load_yaml(stream) diff --git a/collectors/python.d.plugin/python_modules/bases/loggers.py b/collectors/python.d.plugin/python_modules/bases/loggers.py deleted file mode 100644 index 7ae8ab0c1..000000000 --- a/collectors/python.d.plugin/python_modules/bases/loggers.py +++ /dev/null @@ -1,198 +0,0 @@ -# -*- coding: utf-8 -*- -# Description: -# Author: Ilya Mashchenko (ilyam8) -# SPDX-License-Identifier: GPL-3.0-or-later - -import logging -import os -import stat -import traceback - -from sys import exc_info - -try: - from time import monotonic as time -except ImportError: - from time import time - -from bases.collection import on_try_except_finally, unicode_str - -LOGGING_LEVELS = { - 'CRITICAL': 50, - 'ERROR': 40, - 'WARNING': 30, - 'INFO': 20, - 'DEBUG': 10, - 'NOTSET': 0, -} - - -def is_stderr_connected_to_journal(): - journal_stream = os.environ.get("JOURNAL_STREAM") - if not journal_stream: - return False - - colon_index = journal_stream.find(":") - if colon_index <= 0: - return False - - device, inode = journal_stream[:colon_index], journal_stream[colon_index + 1:] - - try: - device_number, inode_number = os.fstat(2)[stat.ST_DEV], os.fstat(2)[stat.ST_INO] - except OSError: - return False - - return str(device_number) == device and str(inode_number) == inode - - -is_journal = is_stderr_connected_to_journal() - -DEFAULT_LOG_LINE_FORMAT = '%(asctime)s: %(name)s %(levelname)s : %(message)s' -PYTHON_D_LOG_LINE_FORMAT = '%(asctime)s: %(name)s %(levelname)s: %(module_name)s[%(job_name)s] : %(message)s' - -if is_journal: - DEFAULT_LOG_LINE_FORMAT = '%(name)s %(levelname)s : %(message)s' - PYTHON_D_LOG_LINE_FORMAT = '%(name)s %(levelname)s: %(module_name)s[%(job_name)s] : %(message)s ' - -DEFAULT_LOG_TIME_FORMAT = '%Y-%m-%d %H:%M:%S' -PYTHON_D_LOG_NAME = 'python.d' - - -def add_traceback(func): - def on_call(*args): - self = args[0] - - if not self.log_traceback: - func(*args) - else: - if exc_info()[0]: - func(*args) - func(self, traceback.format_exc()) - else: - func(*args) - - return on_call - - -class BaseLogger(object): - def __init__( - self, - logger_name, - log_fmt=DEFAULT_LOG_LINE_FORMAT, - date_fmt=DEFAULT_LOG_TIME_FORMAT, - handler=logging.StreamHandler, - ): - self.logger = logging.getLogger(logger_name) - self._muted = False - if not self.has_handlers(): - self.severity = 'INFO' - self.logger.addHandler(handler()) - self.set_formatter(fmt=log_fmt, date_fmt=date_fmt) - - def __repr__(self): - return '<Logger: {name})>'.format(name=self.logger.name) - - def set_formatter(self, fmt, date_fmt=DEFAULT_LOG_TIME_FORMAT): - if self.has_handlers(): - self.logger.handlers[0].setFormatter(logging.Formatter(fmt=fmt, datefmt=date_fmt)) - - def has_handlers(self): - return self.logger.handlers - - @property - def severity(self): - return self.logger.getEffectiveLevel() - - @severity.setter - def severity(self, level): - if level in LOGGING_LEVELS: - self.logger.setLevel(LOGGING_LEVELS[level]) - - def _log(self, level, *msg, **kwargs): - if not self._muted: - self.logger.log(level, ' '.join(map(unicode_str, msg)), **kwargs) - - def debug(self, *msg, **kwargs): - self._log(logging.DEBUG, *msg, **kwargs) - - def info(self, *msg, **kwargs): - self._log(logging.INFO, *msg, **kwargs) - - def warning(self, *msg, **kwargs): - self._log(logging.WARN, *msg, **kwargs) - - def error(self, *msg, **kwargs): - self._log(logging.ERROR, *msg, **kwargs) - - def alert(self, *msg, **kwargs): - self._log(logging.CRITICAL, *msg, **kwargs) - - @on_try_except_finally(on_finally=(exit, 1)) - def fatal(self, *msg, **kwargs): - self._log(logging.CRITICAL, *msg, **kwargs) - - def mute(self): - self._muted = True - - def unmute(self): - self._muted = False - - -class PythonDLogger(object): - def __init__( - self, - logger_name=PYTHON_D_LOG_NAME, - log_fmt=PYTHON_D_LOG_LINE_FORMAT, - ): - self.logger = BaseLogger(logger_name, log_fmt=log_fmt) - self.module_name = 'plugin' - self.job_name = 'main' - - _LOG_TRACEBACK = False - - @property - def log_traceback(self): - return PythonDLogger._LOG_TRACEBACK - - @log_traceback.setter - def log_traceback(self, value): - PythonDLogger._LOG_TRACEBACK = value - - def debug(self, *msg): - self.logger.debug(*msg, extra={ - 'module_name': self.module_name, - 'job_name': self.job_name or self.module_name, - }) - - def info(self, *msg): - self.logger.info(*msg, extra={ - 'module_name': self.module_name, - 'job_name': self.job_name or self.module_name, - }) - - def warning(self, *msg): - self.logger.warning(*msg, extra={ - 'module_name': self.module_name, - 'job_name': self.job_name or self.module_name, - }) - - @add_traceback - def error(self, *msg): - self.logger.error(*msg, extra={ - 'module_name': self.module_name, - 'job_name': self.job_name or self.module_name, - }) - - @add_traceback - def alert(self, *msg): - self.logger.alert(*msg, extra={ - 'module_name': self.module_name, - 'job_name': self.job_name or self.module_name, - }) - - def fatal(self, *msg): - self.logger.fatal(*msg, extra={ - 'module_name': self.module_name, - 'job_name': self.job_name or self.module_name, - }) diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/__init__.py b/collectors/python.d.plugin/python_modules/pyyaml2/__init__.py deleted file mode 100644 index 4d560e438..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/__init__.py +++ /dev/null @@ -1,316 +0,0 @@ -# SPDX-License-Identifier: MIT - -from error import * - -from tokens import * -from events import * -from nodes import * - -from loader import * -from dumper import * - -__version__ = '3.11' - -try: - from cyaml import * - __with_libyaml__ = True -except ImportError: - __with_libyaml__ = False - -def scan(stream, Loader=Loader): - """ - Scan a YAML stream and produce scanning tokens. - """ - loader = Loader(stream) - try: - while loader.check_token(): - yield loader.get_token() - finally: - loader.dispose() - -def parse(stream, Loader=Loader): - """ - Parse a YAML stream and produce parsing events. - """ - loader = Loader(stream) - try: - while loader.check_event(): - yield loader.get_event() - finally: - loader.dispose() - -def compose(stream, Loader=Loader): - """ - Parse the first YAML document in a stream - and produce the corresponding representation tree. - """ - loader = Loader(stream) - try: - return loader.get_single_node() - finally: - loader.dispose() - -def compose_all(stream, Loader=Loader): - """ - Parse all YAML documents in a stream - and produce corresponding representation trees. - """ - loader = Loader(stream) - try: - while loader.check_node(): - yield loader.get_node() - finally: - loader.dispose() - -def load(stream, Loader=Loader): - """ - Parse the first YAML document in a stream - and produce the corresponding Python object. - """ - loader = Loader(stream) - try: - return loader.get_single_data() - finally: - loader.dispose() - -def load_all(stream, Loader=Loader): - """ - Parse all YAML documents in a stream - and produce corresponding Python objects. - """ - loader = Loader(stream) - try: - while loader.check_data(): - yield loader.get_data() - finally: - loader.dispose() - -def safe_load(stream): - """ - Parse the first YAML document in a stream - and produce the corresponding Python object. - Resolve only basic YAML tags. - """ - return load(stream, SafeLoader) - -def safe_load_all(stream): - """ - Parse all YAML documents in a stream - and produce corresponding Python objects. - Resolve only basic YAML tags. - """ - return load_all(stream, SafeLoader) - -def emit(events, stream=None, Dumper=Dumper, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None): - """ - Emit YAML parsing events into a stream. - If stream is None, return the produced string instead. - """ - getvalue = None - if stream is None: - from StringIO import StringIO - stream = StringIO() - getvalue = stream.getvalue - dumper = Dumper(stream, canonical=canonical, indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - try: - for event in events: - dumper.emit(event) - finally: - dumper.dispose() - if getvalue: - return getvalue() - -def serialize_all(nodes, stream=None, Dumper=Dumper, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding='utf-8', explicit_start=None, explicit_end=None, - version=None, tags=None): - """ - Serialize a sequence of representation trees into a YAML stream. - If stream is None, return the produced string instead. - """ - getvalue = None - if stream is None: - if encoding is None: - from StringIO import StringIO - else: - from cStringIO import StringIO - stream = StringIO() - getvalue = stream.getvalue - dumper = Dumper(stream, canonical=canonical, indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break, - encoding=encoding, version=version, tags=tags, - explicit_start=explicit_start, explicit_end=explicit_end) - try: - dumper.open() - for node in nodes: - dumper.serialize(node) - dumper.close() - finally: - dumper.dispose() - if getvalue: - return getvalue() - -def serialize(node, stream=None, Dumper=Dumper, **kwds): - """ - Serialize a representation tree into a YAML stream. - If stream is None, return the produced string instead. - """ - return serialize_all([node], stream, Dumper=Dumper, **kwds) - -def dump_all(documents, stream=None, Dumper=Dumper, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding='utf-8', explicit_start=None, explicit_end=None, - version=None, tags=None): - """ - Serialize a sequence of Python objects into a YAML stream. - If stream is None, return the produced string instead. - """ - getvalue = None - if stream is None: - if encoding is None: - from StringIO import StringIO - else: - from cStringIO import StringIO - stream = StringIO() - getvalue = stream.getvalue - dumper = Dumper(stream, default_style=default_style, - default_flow_style=default_flow_style, - canonical=canonical, indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break, - encoding=encoding, version=version, tags=tags, - explicit_start=explicit_start, explicit_end=explicit_end) - try: - dumper.open() - for data in documents: - dumper.represent(data) - dumper.close() - finally: - dumper.dispose() - if getvalue: - return getvalue() - -def dump(data, stream=None, Dumper=Dumper, **kwds): - """ - Serialize a Python object into a YAML stream. - If stream is None, return the produced string instead. - """ - return dump_all([data], stream, Dumper=Dumper, **kwds) - -def safe_dump_all(documents, stream=None, **kwds): - """ - Serialize a sequence of Python objects into a YAML stream. - Produce only basic YAML tags. - If stream is None, return the produced string instead. - """ - return dump_all(documents, stream, Dumper=SafeDumper, **kwds) - -def safe_dump(data, stream=None, **kwds): - """ - Serialize a Python object into a YAML stream. - Produce only basic YAML tags. - If stream is None, return the produced string instead. - """ - return dump_all([data], stream, Dumper=SafeDumper, **kwds) - -def add_implicit_resolver(tag, regexp, first=None, - Loader=Loader, Dumper=Dumper): - """ - Add an implicit scalar detector. - If an implicit scalar value matches the given regexp, - the corresponding tag is assigned to the scalar. - first is a sequence of possible initial characters or None. - """ - Loader.add_implicit_resolver(tag, regexp, first) - Dumper.add_implicit_resolver(tag, regexp, first) - -def add_path_resolver(tag, path, kind=None, Loader=Loader, Dumper=Dumper): - """ - Add a path based resolver for the given tag. - A path is a list of keys that forms a path - to a node in the representation tree. - Keys can be string values, integers, or None. - """ - Loader.add_path_resolver(tag, path, kind) - Dumper.add_path_resolver(tag, path, kind) - -def add_constructor(tag, constructor, Loader=Loader): - """ - Add a constructor for the given tag. - Constructor is a function that accepts a Loader instance - and a node object and produces the corresponding Python object. - """ - Loader.add_constructor(tag, constructor) - -def add_multi_constructor(tag_prefix, multi_constructor, Loader=Loader): - """ - Add a multi-constructor for the given tag prefix. - Multi-constructor is called for a node if its tag starts with tag_prefix. - Multi-constructor accepts a Loader instance, a tag suffix, - and a node object and produces the corresponding Python object. - """ - Loader.add_multi_constructor(tag_prefix, multi_constructor) - -def add_representer(data_type, representer, Dumper=Dumper): - """ - Add a representer for the given type. - Representer is a function accepting a Dumper instance - and an instance of the given data type - and producing the corresponding representation node. - """ - Dumper.add_representer(data_type, representer) - -def add_multi_representer(data_type, multi_representer, Dumper=Dumper): - """ - Add a representer for the given type. - Multi-representer is a function accepting a Dumper instance - and an instance of the given data type or subtype - and producing the corresponding representation node. - """ - Dumper.add_multi_representer(data_type, multi_representer) - -class YAMLObjectMetaclass(type): - """ - The metaclass for YAMLObject. - """ - def __init__(cls, name, bases, kwds): - super(YAMLObjectMetaclass, cls).__init__(name, bases, kwds) - if 'yaml_tag' in kwds and kwds['yaml_tag'] is not None: - cls.yaml_loader.add_constructor(cls.yaml_tag, cls.from_yaml) - cls.yaml_dumper.add_representer(cls, cls.to_yaml) - -class YAMLObject(object): - """ - An object that can dump itself to a YAML stream - and load itself from a YAML stream. - """ - - __metaclass__ = YAMLObjectMetaclass - __slots__ = () # no direct instantiation, so allow immutable subclasses - - yaml_loader = Loader - yaml_dumper = Dumper - - yaml_tag = None - yaml_flow_style = None - - def from_yaml(cls, loader, node): - """ - Convert a representation node to a Python object. - """ - return loader.construct_yaml_object(node, cls) - from_yaml = classmethod(from_yaml) - - def to_yaml(cls, dumper, data): - """ - Convert a Python object to a representation node. - """ - return dumper.represent_yaml_object(cls.yaml_tag, data, cls, - flow_style=cls.yaml_flow_style) - to_yaml = classmethod(to_yaml) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/composer.py b/collectors/python.d.plugin/python_modules/pyyaml2/composer.py deleted file mode 100644 index 6b41b8067..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/composer.py +++ /dev/null @@ -1,140 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['Composer', 'ComposerError'] - -from error import MarkedYAMLError -from events import * -from nodes import * - -class ComposerError(MarkedYAMLError): - pass - -class Composer(object): - - def __init__(self): - self.anchors = {} - - def check_node(self): - # Drop the STREAM-START event. - if self.check_event(StreamStartEvent): - self.get_event() - - # If there are more documents available? - return not self.check_event(StreamEndEvent) - - def get_node(self): - # Get the root node of the next document. - if not self.check_event(StreamEndEvent): - return self.compose_document() - - def get_single_node(self): - # Drop the STREAM-START event. - self.get_event() - - # Compose a document if the stream is not empty. - document = None - if not self.check_event(StreamEndEvent): - document = self.compose_document() - - # Ensure that the stream contains no more documents. - if not self.check_event(StreamEndEvent): - event = self.get_event() - raise ComposerError("expected a single document in the stream", - document.start_mark, "but found another document", - event.start_mark) - - # Drop the STREAM-END event. - self.get_event() - - return document - - def compose_document(self): - # Drop the DOCUMENT-START event. - self.get_event() - - # Compose the root node. - node = self.compose_node(None, None) - - # Drop the DOCUMENT-END event. - self.get_event() - - self.anchors = {} - return node - - def compose_node(self, parent, index): - if self.check_event(AliasEvent): - event = self.get_event() - anchor = event.anchor - if anchor not in self.anchors: - raise ComposerError(None, None, "found undefined alias %r" - % anchor.encode('utf-8'), event.start_mark) - return self.anchors[anchor] - event = self.peek_event() - anchor = event.anchor - if anchor is not None: - if anchor in self.anchors: - raise ComposerError("found duplicate anchor %r; first occurence" - % anchor.encode('utf-8'), self.anchors[anchor].start_mark, - "second occurence", event.start_mark) - self.descend_resolver(parent, index) - if self.check_event(ScalarEvent): - node = self.compose_scalar_node(anchor) - elif self.check_event(SequenceStartEvent): - node = self.compose_sequence_node(anchor) - elif self.check_event(MappingStartEvent): - node = self.compose_mapping_node(anchor) - self.ascend_resolver() - return node - - def compose_scalar_node(self, anchor): - event = self.get_event() - tag = event.tag - if tag is None or tag == u'!': - tag = self.resolve(ScalarNode, event.value, event.implicit) - node = ScalarNode(tag, event.value, - event.start_mark, event.end_mark, style=event.style) - if anchor is not None: - self.anchors[anchor] = node - return node - - def compose_sequence_node(self, anchor): - start_event = self.get_event() - tag = start_event.tag - if tag is None or tag == u'!': - tag = self.resolve(SequenceNode, None, start_event.implicit) - node = SequenceNode(tag, [], - start_event.start_mark, None, - flow_style=start_event.flow_style) - if anchor is not None: - self.anchors[anchor] = node - index = 0 - while not self.check_event(SequenceEndEvent): - node.value.append(self.compose_node(node, index)) - index += 1 - end_event = self.get_event() - node.end_mark = end_event.end_mark - return node - - def compose_mapping_node(self, anchor): - start_event = self.get_event() - tag = start_event.tag - if tag is None or tag == u'!': - tag = self.resolve(MappingNode, None, start_event.implicit) - node = MappingNode(tag, [], - start_event.start_mark, None, - flow_style=start_event.flow_style) - if anchor is not None: - self.anchors[anchor] = node - while not self.check_event(MappingEndEvent): - #key_event = self.peek_event() - item_key = self.compose_node(node, None) - #if item_key in node.value: - # raise ComposerError("while composing a mapping", start_event.start_mark, - # "found duplicate key", key_event.start_mark) - item_value = self.compose_node(node, item_key) - #node.value[item_key] = item_value - node.value.append((item_key, item_value)) - end_event = self.get_event() - node.end_mark = end_event.end_mark - return node - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/constructor.py b/collectors/python.d.plugin/python_modules/pyyaml2/constructor.py deleted file mode 100644 index 8ad1b90a7..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/constructor.py +++ /dev/null @@ -1,676 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseConstructor', 'SafeConstructor', 'Constructor', - 'ConstructorError'] - -from error import * -from nodes import * - -import datetime - -import binascii, re, sys, types - -class ConstructorError(MarkedYAMLError): - pass - -class BaseConstructor(object): - - yaml_constructors = {} - yaml_multi_constructors = {} - - def __init__(self): - self.constructed_objects = {} - self.recursive_objects = {} - self.state_generators = [] - self.deep_construct = False - - def check_data(self): - # If there are more documents available? - return self.check_node() - - def get_data(self): - # Construct and return the next document. - if self.check_node(): - return self.construct_document(self.get_node()) - - def get_single_data(self): - # Ensure that the stream contains a single document and construct it. - node = self.get_single_node() - if node is not None: - return self.construct_document(node) - return None - - def construct_document(self, node): - data = self.construct_object(node) - while self.state_generators: - state_generators = self.state_generators - self.state_generators = [] - for generator in state_generators: - for dummy in generator: - pass - self.constructed_objects = {} - self.recursive_objects = {} - self.deep_construct = False - return data - - def construct_object(self, node, deep=False): - if node in self.constructed_objects: - return self.constructed_objects[node] - if deep: - old_deep = self.deep_construct - self.deep_construct = True - if node in self.recursive_objects: - raise ConstructorError(None, None, - "found unconstructable recursive node", node.start_mark) - self.recursive_objects[node] = None - constructor = None - tag_suffix = None - if node.tag in self.yaml_constructors: - constructor = self.yaml_constructors[node.tag] - else: - for tag_prefix in self.yaml_multi_constructors: - if node.tag.startswith(tag_prefix): - tag_suffix = node.tag[len(tag_prefix):] - constructor = self.yaml_multi_constructors[tag_prefix] - break - else: - if None in self.yaml_multi_constructors: - tag_suffix = node.tag - constructor = self.yaml_multi_constructors[None] - elif None in self.yaml_constructors: - constructor = self.yaml_constructors[None] - elif isinstance(node, ScalarNode): - constructor = self.__class__.construct_scalar - elif isinstance(node, SequenceNode): - constructor = self.__class__.construct_sequence - elif isinstance(node, MappingNode): - constructor = self.__class__.construct_mapping - if tag_suffix is None: - data = constructor(self, node) - else: - data = constructor(self, tag_suffix, node) - if isinstance(data, types.GeneratorType): - generator = data - data = generator.next() - if self.deep_construct: - for dummy in generator: - pass - else: - self.state_generators.append(generator) - self.constructed_objects[node] = data - del self.recursive_objects[node] - if deep: - self.deep_construct = old_deep - return data - - def construct_scalar(self, node): - if not isinstance(node, ScalarNode): - raise ConstructorError(None, None, - "expected a scalar node, but found %s" % node.id, - node.start_mark) - return node.value - - def construct_sequence(self, node, deep=False): - if not isinstance(node, SequenceNode): - raise ConstructorError(None, None, - "expected a sequence node, but found %s" % node.id, - node.start_mark) - return [self.construct_object(child, deep=deep) - for child in node.value] - - def construct_mapping(self, node, deep=False): - if not isinstance(node, MappingNode): - raise ConstructorError(None, None, - "expected a mapping node, but found %s" % node.id, - node.start_mark) - mapping = {} - for key_node, value_node in node.value: - key = self.construct_object(key_node, deep=deep) - try: - hash(key) - except TypeError, exc: - raise ConstructorError("while constructing a mapping", node.start_mark, - "found unacceptable key (%s)" % exc, key_node.start_mark) - value = self.construct_object(value_node, deep=deep) - mapping[key] = value - return mapping - - def construct_pairs(self, node, deep=False): - if not isinstance(node, MappingNode): - raise ConstructorError(None, None, - "expected a mapping node, but found %s" % node.id, - node.start_mark) - pairs = [] - for key_node, value_node in node.value: - key = self.construct_object(key_node, deep=deep) - value = self.construct_object(value_node, deep=deep) - pairs.append((key, value)) - return pairs - - def add_constructor(cls, tag, constructor): - if not 'yaml_constructors' in cls.__dict__: - cls.yaml_constructors = cls.yaml_constructors.copy() - cls.yaml_constructors[tag] = constructor - add_constructor = classmethod(add_constructor) - - def add_multi_constructor(cls, tag_prefix, multi_constructor): - if not 'yaml_multi_constructors' in cls.__dict__: - cls.yaml_multi_constructors = cls.yaml_multi_constructors.copy() - cls.yaml_multi_constructors[tag_prefix] = multi_constructor - add_multi_constructor = classmethod(add_multi_constructor) - -class SafeConstructor(BaseConstructor): - - def construct_scalar(self, node): - if isinstance(node, MappingNode): - for key_node, value_node in node.value: - if key_node.tag == u'tag:yaml.org,2002:value': - return self.construct_scalar(value_node) - return BaseConstructor.construct_scalar(self, node) - - def flatten_mapping(self, node): - merge = [] - index = 0 - while index < len(node.value): - key_node, value_node = node.value[index] - if key_node.tag == u'tag:yaml.org,2002:merge': - del node.value[index] - if isinstance(value_node, MappingNode): - self.flatten_mapping(value_node) - merge.extend(value_node.value) - elif isinstance(value_node, SequenceNode): - submerge = [] - for subnode in value_node.value: - if not isinstance(subnode, MappingNode): - raise ConstructorError("while constructing a mapping", - node.start_mark, - "expected a mapping for merging, but found %s" - % subnode.id, subnode.start_mark) - self.flatten_mapping(subnode) - submerge.append(subnode.value) - submerge.reverse() - for value in submerge: - merge.extend(value) - else: - raise ConstructorError("while constructing a mapping", node.start_mark, - "expected a mapping or list of mappings for merging, but found %s" - % value_node.id, value_node.start_mark) - elif key_node.tag == u'tag:yaml.org,2002:value': - key_node.tag = u'tag:yaml.org,2002:str' - index += 1 - else: - index += 1 - if merge: - node.value = merge + node.value - - def construct_mapping(self, node, deep=False): - if isinstance(node, MappingNode): - self.flatten_mapping(node) - return BaseConstructor.construct_mapping(self, node, deep=deep) - - def construct_yaml_null(self, node): - self.construct_scalar(node) - return None - - bool_values = { - u'yes': True, - u'no': False, - u'true': True, - u'false': False, - u'on': True, - u'off': False, - } - - def construct_yaml_bool(self, node): - value = self.construct_scalar(node) - return self.bool_values[value.lower()] - - def construct_yaml_int(self, node): - value = str(self.construct_scalar(node)) - value = value.replace('_', '') - sign = +1 - if value[0] == '-': - sign = -1 - if value[0] in '+-': - value = value[1:] - if value == '0': - return 0 - elif value.startswith('0b'): - return sign*int(value[2:], 2) - elif value.startswith('0x'): - return sign*int(value[2:], 16) - elif value[0] == '0': - return sign*int(value, 8) - elif ':' in value: - digits = [int(part) for part in value.split(':')] - digits.reverse() - base = 1 - value = 0 - for digit in digits: - value += digit*base - base *= 60 - return sign*value - else: - return sign*int(value) - - inf_value = 1e300 - while inf_value != inf_value*inf_value: - inf_value *= inf_value - nan_value = -inf_value/inf_value # Trying to make a quiet NaN (like C99). - - def construct_yaml_float(self, node): - value = str(self.construct_scalar(node)) - value = value.replace('_', '').lower() - sign = +1 - if value[0] == '-': - sign = -1 - if value[0] in '+-': - value = value[1:] - if value == '.inf': - return sign*self.inf_value - elif value == '.nan': - return self.nan_value - elif ':' in value: - digits = [float(part) for part in value.split(':')] - digits.reverse() - base = 1 - value = 0.0 - for digit in digits: - value += digit*base - base *= 60 - return sign*value - else: - return sign*float(value) - - def construct_yaml_binary(self, node): - value = self.construct_scalar(node) - try: - return str(value).decode('base64') - except (binascii.Error, UnicodeEncodeError), exc: - raise ConstructorError(None, None, - "failed to decode base64 data: %s" % exc, node.start_mark) - - timestamp_regexp = re.compile( - ur'''^(?P<year>[0-9][0-9][0-9][0-9]) - -(?P<month>[0-9][0-9]?) - -(?P<day>[0-9][0-9]?) - (?:(?:[Tt]|[ \t]+) - (?P<hour>[0-9][0-9]?) - :(?P<minute>[0-9][0-9]) - :(?P<second>[0-9][0-9]) - (?:\.(?P<fraction>[0-9]*))? - (?:[ \t]*(?P<tz>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?) - (?::(?P<tz_minute>[0-9][0-9]))?))?)?$''', re.X) - - def construct_yaml_timestamp(self, node): - value = self.construct_scalar(node) - match = self.timestamp_regexp.match(node.value) - values = match.groupdict() - year = int(values['year']) - month = int(values['month']) - day = int(values['day']) - if not values['hour']: - return datetime.date(year, month, day) - hour = int(values['hour']) - minute = int(values['minute']) - second = int(values['second']) - fraction = 0 - if values['fraction']: - fraction = values['fraction'][:6] - while len(fraction) < 6: - fraction += '0' - fraction = int(fraction) - delta = None - if values['tz_sign']: - tz_hour = int(values['tz_hour']) - tz_minute = int(values['tz_minute'] or 0) - delta = datetime.timedelta(hours=tz_hour, minutes=tz_minute) - if values['tz_sign'] == '-': - delta = -delta - data = datetime.datetime(year, month, day, hour, minute, second, fraction) - if delta: - data -= delta - return data - - def construct_yaml_omap(self, node): - # Note: we do not check for duplicate keys, because it's too - # CPU-expensive. - omap = [] - yield omap - if not isinstance(node, SequenceNode): - raise ConstructorError("while constructing an ordered map", node.start_mark, - "expected a sequence, but found %s" % node.id, node.start_mark) - for subnode in node.value: - if not isinstance(subnode, MappingNode): - raise ConstructorError("while constructing an ordered map", node.start_mark, - "expected a mapping of length 1, but found %s" % subnode.id, - subnode.start_mark) - if len(subnode.value) != 1: - raise ConstructorError("while constructing an ordered map", node.start_mark, - "expected a single mapping item, but found %d items" % len(subnode.value), - subnode.start_mark) - key_node, value_node = subnode.value[0] - key = self.construct_object(key_node) - value = self.construct_object(value_node) - omap.append((key, value)) - - def construct_yaml_pairs(self, node): - # Note: the same code as `construct_yaml_omap`. - pairs = [] - yield pairs - if not isinstance(node, SequenceNode): - raise ConstructorError("while constructing pairs", node.start_mark, - "expected a sequence, but found %s" % node.id, node.start_mark) - for subnode in node.value: - if not isinstance(subnode, MappingNode): - raise ConstructorError("while constructing pairs", node.start_mark, - "expected a mapping of length 1, but found %s" % subnode.id, - subnode.start_mark) - if len(subnode.value) != 1: - raise ConstructorError("while constructing pairs", node.start_mark, - "expected a single mapping item, but found %d items" % len(subnode.value), - subnode.start_mark) - key_node, value_node = subnode.value[0] - key = self.construct_object(key_node) - value = self.construct_object(value_node) - pairs.append((key, value)) - - def construct_yaml_set(self, node): - data = set() - yield data - value = self.construct_mapping(node) - data.update(value) - - def construct_yaml_str(self, node): - value = self.construct_scalar(node) - try: - return value.encode('ascii') - except UnicodeEncodeError: - return value - - def construct_yaml_seq(self, node): - data = [] - yield data - data.extend(self.construct_sequence(node)) - - def construct_yaml_map(self, node): - data = {} - yield data - value = self.construct_mapping(node) - data.update(value) - - def construct_yaml_object(self, node, cls): - data = cls.__new__(cls) - yield data - if hasattr(data, '__setstate__'): - state = self.construct_mapping(node, deep=True) - data.__setstate__(state) - else: - state = self.construct_mapping(node) - data.__dict__.update(state) - - def construct_undefined(self, node): - raise ConstructorError(None, None, - "could not determine a constructor for the tag %r" % node.tag.encode('utf-8'), - node.start_mark) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:null', - SafeConstructor.construct_yaml_null) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:bool', - SafeConstructor.construct_yaml_bool) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:int', - SafeConstructor.construct_yaml_int) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:float', - SafeConstructor.construct_yaml_float) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:binary', - SafeConstructor.construct_yaml_binary) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:timestamp', - SafeConstructor.construct_yaml_timestamp) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:omap', - SafeConstructor.construct_yaml_omap) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:pairs', - SafeConstructor.construct_yaml_pairs) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:set', - SafeConstructor.construct_yaml_set) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:str', - SafeConstructor.construct_yaml_str) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:seq', - SafeConstructor.construct_yaml_seq) - -SafeConstructor.add_constructor( - u'tag:yaml.org,2002:map', - SafeConstructor.construct_yaml_map) - -SafeConstructor.add_constructor(None, - SafeConstructor.construct_undefined) - -class Constructor(SafeConstructor): - - def construct_python_str(self, node): - return self.construct_scalar(node).encode('utf-8') - - def construct_python_unicode(self, node): - return self.construct_scalar(node) - - def construct_python_long(self, node): - return long(self.construct_yaml_int(node)) - - def construct_python_complex(self, node): - return complex(self.construct_scalar(node)) - - def construct_python_tuple(self, node): - return tuple(self.construct_sequence(node)) - - def find_python_module(self, name, mark): - if not name: - raise ConstructorError("while constructing a Python module", mark, - "expected non-empty name appended to the tag", mark) - try: - __import__(name) - except ImportError, exc: - raise ConstructorError("while constructing a Python module", mark, - "cannot find module %r (%s)" % (name.encode('utf-8'), exc), mark) - return sys.modules[name] - - def find_python_name(self, name, mark): - if not name: - raise ConstructorError("while constructing a Python object", mark, - "expected non-empty name appended to the tag", mark) - if u'.' in name: - module_name, object_name = name.rsplit('.', 1) - else: - module_name = '__builtin__' - object_name = name - try: - __import__(module_name) - except ImportError, exc: - raise ConstructorError("while constructing a Python object", mark, - "cannot find module %r (%s)" % (module_name.encode('utf-8'), exc), mark) - module = sys.modules[module_name] - if not hasattr(module, object_name): - raise ConstructorError("while constructing a Python object", mark, - "cannot find %r in the module %r" % (object_name.encode('utf-8'), - module.__name__), mark) - return getattr(module, object_name) - - def construct_python_name(self, suffix, node): - value = self.construct_scalar(node) - if value: - raise ConstructorError("while constructing a Python name", node.start_mark, - "expected the empty value, but found %r" % value.encode('utf-8'), - node.start_mark) - return self.find_python_name(suffix, node.start_mark) - - def construct_python_module(self, suffix, node): - value = self.construct_scalar(node) - if value: - raise ConstructorError("while constructing a Python module", node.start_mark, - "expected the empty value, but found %r" % value.encode('utf-8'), - node.start_mark) - return self.find_python_module(suffix, node.start_mark) - - class classobj: pass - - def make_python_instance(self, suffix, node, - args=None, kwds=None, newobj=False): - if not args: - args = [] - if not kwds: - kwds = {} - cls = self.find_python_name(suffix, node.start_mark) - if newobj and isinstance(cls, type(self.classobj)) \ - and not args and not kwds: - instance = self.classobj() - instance.__class__ = cls - return instance - elif newobj and isinstance(cls, type): - return cls.__new__(cls, *args, **kwds) - else: - return cls(*args, **kwds) - - def set_python_instance_state(self, instance, state): - if hasattr(instance, '__setstate__'): - instance.__setstate__(state) - else: - slotstate = {} - if isinstance(state, tuple) and len(state) == 2: - state, slotstate = state - if hasattr(instance, '__dict__'): - instance.__dict__.update(state) - elif state: - slotstate.update(state) - for key, value in slotstate.items(): - setattr(object, key, value) - - def construct_python_object(self, suffix, node): - # Format: - # !!python/object:module.name { ... state ... } - instance = self.make_python_instance(suffix, node, newobj=True) - yield instance - deep = hasattr(instance, '__setstate__') - state = self.construct_mapping(node, deep=deep) - self.set_python_instance_state(instance, state) - - def construct_python_object_apply(self, suffix, node, newobj=False): - # Format: - # !!python/object/apply # (or !!python/object/new) - # args: [ ... arguments ... ] - # kwds: { ... keywords ... } - # state: ... state ... - # listitems: [ ... listitems ... ] - # dictitems: { ... dictitems ... } - # or short format: - # !!python/object/apply [ ... arguments ... ] - # The difference between !!python/object/apply and !!python/object/new - # is how an object is created, check make_python_instance for details. - if isinstance(node, SequenceNode): - args = self.construct_sequence(node, deep=True) - kwds = {} - state = {} - listitems = [] - dictitems = {} - else: - value = self.construct_mapping(node, deep=True) - args = value.get('args', []) - kwds = value.get('kwds', {}) - state = value.get('state', {}) - listitems = value.get('listitems', []) - dictitems = value.get('dictitems', {}) - instance = self.make_python_instance(suffix, node, args, kwds, newobj) - if state: - self.set_python_instance_state(instance, state) - if listitems: - instance.extend(listitems) - if dictitems: - for key in dictitems: - instance[key] = dictitems[key] - return instance - - def construct_python_object_new(self, suffix, node): - return self.construct_python_object_apply(suffix, node, newobj=True) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/none', - Constructor.construct_yaml_null) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/bool', - Constructor.construct_yaml_bool) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/str', - Constructor.construct_python_str) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/unicode', - Constructor.construct_python_unicode) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/int', - Constructor.construct_yaml_int) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/long', - Constructor.construct_python_long) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/float', - Constructor.construct_yaml_float) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/complex', - Constructor.construct_python_complex) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/list', - Constructor.construct_yaml_seq) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/tuple', - Constructor.construct_python_tuple) - -Constructor.add_constructor( - u'tag:yaml.org,2002:python/dict', - Constructor.construct_yaml_map) - -Constructor.add_multi_constructor( - u'tag:yaml.org,2002:python/name:', - Constructor.construct_python_name) - -Constructor.add_multi_constructor( - u'tag:yaml.org,2002:python/module:', - Constructor.construct_python_module) - -Constructor.add_multi_constructor( - u'tag:yaml.org,2002:python/object:', - Constructor.construct_python_object) - -Constructor.add_multi_constructor( - u'tag:yaml.org,2002:python/object/apply:', - Constructor.construct_python_object_apply) - -Constructor.add_multi_constructor( - u'tag:yaml.org,2002:python/object/new:', - Constructor.construct_python_object_new) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/cyaml.py b/collectors/python.d.plugin/python_modules/pyyaml2/cyaml.py deleted file mode 100644 index 2858ab479..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/cyaml.py +++ /dev/null @@ -1,86 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['CBaseLoader', 'CSafeLoader', 'CLoader', - 'CBaseDumper', 'CSafeDumper', 'CDumper'] - -from _yaml import CParser, CEmitter - -from constructor import * - -from serializer import * -from representer import * - -from resolver import * - -class CBaseLoader(CParser, BaseConstructor, BaseResolver): - - def __init__(self, stream): - CParser.__init__(self, stream) - BaseConstructor.__init__(self) - BaseResolver.__init__(self) - -class CSafeLoader(CParser, SafeConstructor, Resolver): - - def __init__(self, stream): - CParser.__init__(self, stream) - SafeConstructor.__init__(self) - Resolver.__init__(self) - -class CLoader(CParser, Constructor, Resolver): - - def __init__(self, stream): - CParser.__init__(self, stream) - Constructor.__init__(self) - Resolver.__init__(self) - -class CBaseDumper(CEmitter, BaseRepresenter, BaseResolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - CEmitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, encoding=encoding, - allow_unicode=allow_unicode, line_break=line_break, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class CSafeDumper(CEmitter, SafeRepresenter, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - CEmitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, encoding=encoding, - allow_unicode=allow_unicode, line_break=line_break, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - SafeRepresenter.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class CDumper(CEmitter, Serializer, Representer, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - CEmitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, encoding=encoding, - allow_unicode=allow_unicode, line_break=line_break, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/dumper.py b/collectors/python.d.plugin/python_modules/pyyaml2/dumper.py deleted file mode 100644 index 3685cbeeb..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/dumper.py +++ /dev/null @@ -1,63 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseDumper', 'SafeDumper', 'Dumper'] - -from emitter import * -from serializer import * -from representer import * -from resolver import * - -class BaseDumper(Emitter, Serializer, BaseRepresenter, BaseResolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - Emitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - Serializer.__init__(self, encoding=encoding, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class SafeDumper(Emitter, Serializer, SafeRepresenter, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - Emitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - Serializer.__init__(self, encoding=encoding, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - SafeRepresenter.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class Dumper(Emitter, Serializer, Representer, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - Emitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - Serializer.__init__(self, encoding=encoding, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/emitter.py b/collectors/python.d.plugin/python_modules/pyyaml2/emitter.py deleted file mode 100644 index 9a460a0fd..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/emitter.py +++ /dev/null @@ -1,1141 +0,0 @@ -# SPDX-License-Identifier: MIT - -# Emitter expects events obeying the following grammar: -# stream ::= STREAM-START document* STREAM-END -# document ::= DOCUMENT-START node DOCUMENT-END -# node ::= SCALAR | sequence | mapping -# sequence ::= SEQUENCE-START node* SEQUENCE-END -# mapping ::= MAPPING-START (node node)* MAPPING-END - -__all__ = ['Emitter', 'EmitterError'] - -from error import YAMLError -from events import * - -class EmitterError(YAMLError): - pass - -class ScalarAnalysis(object): - def __init__(self, scalar, empty, multiline, - allow_flow_plain, allow_block_plain, - allow_single_quoted, allow_double_quoted, - allow_block): - self.scalar = scalar - self.empty = empty - self.multiline = multiline - self.allow_flow_plain = allow_flow_plain - self.allow_block_plain = allow_block_plain - self.allow_single_quoted = allow_single_quoted - self.allow_double_quoted = allow_double_quoted - self.allow_block = allow_block - -class Emitter(object): - - DEFAULT_TAG_PREFIXES = { - u'!' : u'!', - u'tag:yaml.org,2002:' : u'!!', - } - - def __init__(self, stream, canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None): - - # The stream should have the methods `write` and possibly `flush`. - self.stream = stream - - # Encoding can be overriden by STREAM-START. - self.encoding = None - - # Emitter is a state machine with a stack of states to handle nested - # structures. - self.states = [] - self.state = self.expect_stream_start - - # Current event and the event queue. - self.events = [] - self.event = None - - # The current indentation level and the stack of previous indents. - self.indents = [] - self.indent = None - - # Flow level. - self.flow_level = 0 - - # Contexts. - self.root_context = False - self.sequence_context = False - self.mapping_context = False - self.simple_key_context = False - - # Characteristics of the last emitted character: - # - current position. - # - is it a whitespace? - # - is it an indention character - # (indentation space, '-', '?', or ':')? - self.line = 0 - self.column = 0 - self.whitespace = True - self.indention = True - - # Whether the document requires an explicit document indicator - self.open_ended = False - - # Formatting details. - self.canonical = canonical - self.allow_unicode = allow_unicode - self.best_indent = 2 - if indent and 1 < indent < 10: - self.best_indent = indent - self.best_width = 80 - if width and width > self.best_indent*2: - self.best_width = width - self.best_line_break = u'\n' - if line_break in [u'\r', u'\n', u'\r\n']: - self.best_line_break = line_break - - # Tag prefixes. - self.tag_prefixes = None - - # Prepared anchor and tag. - self.prepared_anchor = None - self.prepared_tag = None - - # Scalar analysis and style. - self.analysis = None - self.style = None - - def dispose(self): - # Reset the state attributes (to clear self-references) - self.states = [] - self.state = None - - def emit(self, event): - self.events.append(event) - while not self.need_more_events(): - self.event = self.events.pop(0) - self.state() - self.event = None - - # In some cases, we wait for a few next events before emitting. - - def need_more_events(self): - if not self.events: - return True - event = self.events[0] - if isinstance(event, DocumentStartEvent): - return self.need_events(1) - elif isinstance(event, SequenceStartEvent): - return self.need_events(2) - elif isinstance(event, MappingStartEvent): - return self.need_events(3) - else: - return False - - def need_events(self, count): - level = 0 - for event in self.events[1:]: - if isinstance(event, (DocumentStartEvent, CollectionStartEvent)): - level += 1 - elif isinstance(event, (DocumentEndEvent, CollectionEndEvent)): - level -= 1 - elif isinstance(event, StreamEndEvent): - level = -1 - if level < 0: - return False - return (len(self.events) < count+1) - - def increase_indent(self, flow=False, indentless=False): - self.indents.append(self.indent) - if self.indent is None: - if flow: - self.indent = self.best_indent - else: - self.indent = 0 - elif not indentless: - self.indent += self.best_indent - - # States. - - # Stream handlers. - - def expect_stream_start(self): - if isinstance(self.event, StreamStartEvent): - if self.event.encoding and not getattr(self.stream, 'encoding', None): - self.encoding = self.event.encoding - self.write_stream_start() - self.state = self.expect_first_document_start - else: - raise EmitterError("expected StreamStartEvent, but got %s" - % self.event) - - def expect_nothing(self): - raise EmitterError("expected nothing, but got %s" % self.event) - - # Document handlers. - - def expect_first_document_start(self): - return self.expect_document_start(first=True) - - def expect_document_start(self, first=False): - if isinstance(self.event, DocumentStartEvent): - if (self.event.version or self.event.tags) and self.open_ended: - self.write_indicator(u'...', True) - self.write_indent() - if self.event.version: - version_text = self.prepare_version(self.event.version) - self.write_version_directive(version_text) - self.tag_prefixes = self.DEFAULT_TAG_PREFIXES.copy() - if self.event.tags: - handles = self.event.tags.keys() - handles.sort() - for handle in handles: - prefix = self.event.tags[handle] - self.tag_prefixes[prefix] = handle - handle_text = self.prepare_tag_handle(handle) - prefix_text = self.prepare_tag_prefix(prefix) - self.write_tag_directive(handle_text, prefix_text) - implicit = (first and not self.event.explicit and not self.canonical - and not self.event.version and not self.event.tags - and not self.check_empty_document()) - if not implicit: - self.write_indent() - self.write_indicator(u'---', True) - if self.canonical: - self.write_indent() - self.state = self.expect_document_root - elif isinstance(self.event, StreamEndEvent): - if self.open_ended: - self.write_indicator(u'...', True) - self.write_indent() - self.write_stream_end() - self.state = self.expect_nothing - else: - raise EmitterError("expected DocumentStartEvent, but got %s" - % self.event) - - def expect_document_end(self): - if isinstance(self.event, DocumentEndEvent): - self.write_indent() - if self.event.explicit: - self.write_indicator(u'...', True) - self.write_indent() - self.flush_stream() - self.state = self.expect_document_start - else: - raise EmitterError("expected DocumentEndEvent, but got %s" - % self.event) - - def expect_document_root(self): - self.states.append(self.expect_document_end) - self.expect_node(root=True) - - # Node handlers. - - def expect_node(self, root=False, sequence=False, mapping=False, - simple_key=False): - self.root_context = root - self.sequence_context = sequence - self.mapping_context = mapping - self.simple_key_context = simple_key - if isinstance(self.event, AliasEvent): - self.expect_alias() - elif isinstance(self.event, (ScalarEvent, CollectionStartEvent)): - self.process_anchor(u'&') - self.process_tag() - if isinstance(self.event, ScalarEvent): - self.expect_scalar() - elif isinstance(self.event, SequenceStartEvent): - if self.flow_level or self.canonical or self.event.flow_style \ - or self.check_empty_sequence(): - self.expect_flow_sequence() - else: - self.expect_block_sequence() - elif isinstance(self.event, MappingStartEvent): - if self.flow_level or self.canonical or self.event.flow_style \ - or self.check_empty_mapping(): - self.expect_flow_mapping() - else: - self.expect_block_mapping() - else: - raise EmitterError("expected NodeEvent, but got %s" % self.event) - - def expect_alias(self): - if self.event.anchor is None: - raise EmitterError("anchor is not specified for alias") - self.process_anchor(u'*') - self.state = self.states.pop() - - def expect_scalar(self): - self.increase_indent(flow=True) - self.process_scalar() - self.indent = self.indents.pop() - self.state = self.states.pop() - - # Flow sequence handlers. - - def expect_flow_sequence(self): - self.write_indicator(u'[', True, whitespace=True) - self.flow_level += 1 - self.increase_indent(flow=True) - self.state = self.expect_first_flow_sequence_item - - def expect_first_flow_sequence_item(self): - if isinstance(self.event, SequenceEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - self.write_indicator(u']', False) - self.state = self.states.pop() - else: - if self.canonical or self.column > self.best_width: - self.write_indent() - self.states.append(self.expect_flow_sequence_item) - self.expect_node(sequence=True) - - def expect_flow_sequence_item(self): - if isinstance(self.event, SequenceEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - if self.canonical: - self.write_indicator(u',', False) - self.write_indent() - self.write_indicator(u']', False) - self.state = self.states.pop() - else: - self.write_indicator(u',', False) - if self.canonical or self.column > self.best_width: - self.write_indent() - self.states.append(self.expect_flow_sequence_item) - self.expect_node(sequence=True) - - # Flow mapping handlers. - - def expect_flow_mapping(self): - self.write_indicator(u'{', True, whitespace=True) - self.flow_level += 1 - self.increase_indent(flow=True) - self.state = self.expect_first_flow_mapping_key - - def expect_first_flow_mapping_key(self): - if isinstance(self.event, MappingEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - self.write_indicator(u'}', False) - self.state = self.states.pop() - else: - if self.canonical or self.column > self.best_width: - self.write_indent() - if not self.canonical and self.check_simple_key(): - self.states.append(self.expect_flow_mapping_simple_value) - self.expect_node(mapping=True, simple_key=True) - else: - self.write_indicator(u'?', True) - self.states.append(self.expect_flow_mapping_value) - self.expect_node(mapping=True) - - def expect_flow_mapping_key(self): - if isinstance(self.event, MappingEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - if self.canonical: - self.write_indicator(u',', False) - self.write_indent() - self.write_indicator(u'}', False) - self.state = self.states.pop() - else: - self.write_indicator(u',', False) - if self.canonical or self.column > self.best_width: - self.write_indent() - if not self.canonical and self.check_simple_key(): - self.states.append(self.expect_flow_mapping_simple_value) - self.expect_node(mapping=True, simple_key=True) - else: - self.write_indicator(u'?', True) - self.states.append(self.expect_flow_mapping_value) - self.expect_node(mapping=True) - - def expect_flow_mapping_simple_value(self): - self.write_indicator(u':', False) - self.states.append(self.expect_flow_mapping_key) - self.expect_node(mapping=True) - - def expect_flow_mapping_value(self): - if self.canonical or self.column > self.best_width: - self.write_indent() - self.write_indicator(u':', True) - self.states.append(self.expect_flow_mapping_key) - self.expect_node(mapping=True) - - # Block sequence handlers. - - def expect_block_sequence(self): - indentless = (self.mapping_context and not self.indention) - self.increase_indent(flow=False, indentless=indentless) - self.state = self.expect_first_block_sequence_item - - def expect_first_block_sequence_item(self): - return self.expect_block_sequence_item(first=True) - - def expect_block_sequence_item(self, first=False): - if not first and isinstance(self.event, SequenceEndEvent): - self.indent = self.indents.pop() - self.state = self.states.pop() - else: - self.write_indent() - self.write_indicator(u'-', True, indention=True) - self.states.append(self.expect_block_sequence_item) - self.expect_node(sequence=True) - - # Block mapping handlers. - - def expect_block_mapping(self): - self.increase_indent(flow=False) - self.state = self.expect_first_block_mapping_key - - def expect_first_block_mapping_key(self): - return self.expect_block_mapping_key(first=True) - - def expect_block_mapping_key(self, first=False): - if not first and isinstance(self.event, MappingEndEvent): - self.indent = self.indents.pop() - self.state = self.states.pop() - else: - self.write_indent() - if self.check_simple_key(): - self.states.append(self.expect_block_mapping_simple_value) - self.expect_node(mapping=True, simple_key=True) - else: - self.write_indicator(u'?', True, indention=True) - self.states.append(self.expect_block_mapping_value) - self.expect_node(mapping=True) - - def expect_block_mapping_simple_value(self): - self.write_indicator(u':', False) - self.states.append(self.expect_block_mapping_key) - self.expect_node(mapping=True) - - def expect_block_mapping_value(self): - self.write_indent() - self.write_indicator(u':', True, indention=True) - self.states.append(self.expect_block_mapping_key) - self.expect_node(mapping=True) - - # Checkers. - - def check_empty_sequence(self): - return (isinstance(self.event, SequenceStartEvent) and self.events - and isinstance(self.events[0], SequenceEndEvent)) - - def check_empty_mapping(self): - return (isinstance(self.event, MappingStartEvent) and self.events - and isinstance(self.events[0], MappingEndEvent)) - - def check_empty_document(self): - if not isinstance(self.event, DocumentStartEvent) or not self.events: - return False - event = self.events[0] - return (isinstance(event, ScalarEvent) and event.anchor is None - and event.tag is None and event.implicit and event.value == u'') - - def check_simple_key(self): - length = 0 - if isinstance(self.event, NodeEvent) and self.event.anchor is not None: - if self.prepared_anchor is None: - self.prepared_anchor = self.prepare_anchor(self.event.anchor) - length += len(self.prepared_anchor) - if isinstance(self.event, (ScalarEvent, CollectionStartEvent)) \ - and self.event.tag is not None: - if self.prepared_tag is None: - self.prepared_tag = self.prepare_tag(self.event.tag) - length += len(self.prepared_tag) - if isinstance(self.event, ScalarEvent): - if self.analysis is None: - self.analysis = self.analyze_scalar(self.event.value) - length += len(self.analysis.scalar) - return (length < 128 and (isinstance(self.event, AliasEvent) - or (isinstance(self.event, ScalarEvent) - and not self.analysis.empty and not self.analysis.multiline) - or self.check_empty_sequence() or self.check_empty_mapping())) - - # Anchor, Tag, and Scalar processors. - - def process_anchor(self, indicator): - if self.event.anchor is None: - self.prepared_anchor = None - return - if self.prepared_anchor is None: - self.prepared_anchor = self.prepare_anchor(self.event.anchor) - if self.prepared_anchor: - self.write_indicator(indicator+self.prepared_anchor, True) - self.prepared_anchor = None - - def process_tag(self): - tag = self.event.tag - if isinstance(self.event, ScalarEvent): - if self.style is None: - self.style = self.choose_scalar_style() - if ((not self.canonical or tag is None) and - ((self.style == '' and self.event.implicit[0]) - or (self.style != '' and self.event.implicit[1]))): - self.prepared_tag = None - return - if self.event.implicit[0] and tag is None: - tag = u'!' - self.prepared_tag = None - else: - if (not self.canonical or tag is None) and self.event.implicit: - self.prepared_tag = None - return - if tag is None: - raise EmitterError("tag is not specified") - if self.prepared_tag is None: - self.prepared_tag = self.prepare_tag(tag) - if self.prepared_tag: - self.write_indicator(self.prepared_tag, True) - self.prepared_tag = None - - def choose_scalar_style(self): - if self.analysis is None: - self.analysis = self.analyze_scalar(self.event.value) - if self.event.style == '"' or self.canonical: - return '"' - if not self.event.style and self.event.implicit[0]: - if (not (self.simple_key_context and - (self.analysis.empty or self.analysis.multiline)) - and (self.flow_level and self.analysis.allow_flow_plain - or (not self.flow_level and self.analysis.allow_block_plain))): - return '' - if self.event.style and self.event.style in '|>': - if (not self.flow_level and not self.simple_key_context - and self.analysis.allow_block): - return self.event.style - if not self.event.style or self.event.style == '\'': - if (self.analysis.allow_single_quoted and - not (self.simple_key_context and self.analysis.multiline)): - return '\'' - return '"' - - def process_scalar(self): - if self.analysis is None: - self.analysis = self.analyze_scalar(self.event.value) - if self.style is None: - self.style = self.choose_scalar_style() - split = (not self.simple_key_context) - #if self.analysis.multiline and split \ - # and (not self.style or self.style in '\'\"'): - # self.write_indent() - if self.style == '"': - self.write_double_quoted(self.analysis.scalar, split) - elif self.style == '\'': - self.write_single_quoted(self.analysis.scalar, split) - elif self.style == '>': - self.write_folded(self.analysis.scalar) - elif self.style == '|': - self.write_literal(self.analysis.scalar) - else: - self.write_plain(self.analysis.scalar, split) - self.analysis = None - self.style = None - - # Analyzers. - - def prepare_version(self, version): - major, minor = version - if major != 1: - raise EmitterError("unsupported YAML version: %d.%d" % (major, minor)) - return u'%d.%d' % (major, minor) - - def prepare_tag_handle(self, handle): - if not handle: - raise EmitterError("tag handle must not be empty") - if handle[0] != u'!' or handle[-1] != u'!': - raise EmitterError("tag handle must start and end with '!': %r" - % (handle.encode('utf-8'))) - for ch in handle[1:-1]: - if not (u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-_'): - raise EmitterError("invalid character %r in the tag handle: %r" - % (ch.encode('utf-8'), handle.encode('utf-8'))) - return handle - - def prepare_tag_prefix(self, prefix): - if not prefix: - raise EmitterError("tag prefix must not be empty") - chunks = [] - start = end = 0 - if prefix[0] == u'!': - end = 1 - while end < len(prefix): - ch = prefix[end] - if u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-;/?!:@&=+$,_.~*\'()[]': - end += 1 - else: - if start < end: - chunks.append(prefix[start:end]) - start = end = end+1 - data = ch.encode('utf-8') - for ch in data: - chunks.append(u'%%%02X' % ord(ch)) - if start < end: - chunks.append(prefix[start:end]) - return u''.join(chunks) - - def prepare_tag(self, tag): - if not tag: - raise EmitterError("tag must not be empty") - if tag == u'!': - return tag - handle = None - suffix = tag - prefixes = self.tag_prefixes.keys() - prefixes.sort() - for prefix in prefixes: - if tag.startswith(prefix) \ - and (prefix == u'!' or len(prefix) < len(tag)): - handle = self.tag_prefixes[prefix] - suffix = tag[len(prefix):] - chunks = [] - start = end = 0 - while end < len(suffix): - ch = suffix[end] - if u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-;/?:@&=+$,_.~*\'()[]' \ - or (ch == u'!' and handle != u'!'): - end += 1 - else: - if start < end: - chunks.append(suffix[start:end]) - start = end = end+1 - data = ch.encode('utf-8') - for ch in data: - chunks.append(u'%%%02X' % ord(ch)) - if start < end: - chunks.append(suffix[start:end]) - suffix_text = u''.join(chunks) - if handle: - return u'%s%s' % (handle, suffix_text) - else: - return u'!<%s>' % suffix_text - - def prepare_anchor(self, anchor): - if not anchor: - raise EmitterError("anchor must not be empty") - for ch in anchor: - if not (u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-_'): - raise EmitterError("invalid character %r in the anchor: %r" - % (ch.encode('utf-8'), anchor.encode('utf-8'))) - return anchor - - def analyze_scalar(self, scalar): - - # Empty scalar is a special case. - if not scalar: - return ScalarAnalysis(scalar=scalar, empty=True, multiline=False, - allow_flow_plain=False, allow_block_plain=True, - allow_single_quoted=True, allow_double_quoted=True, - allow_block=False) - - # Indicators and special characters. - block_indicators = False - flow_indicators = False - line_breaks = False - special_characters = False - - # Important whitespace combinations. - leading_space = False - leading_break = False - trailing_space = False - trailing_break = False - break_space = False - space_break = False - - # Check document indicators. - if scalar.startswith(u'---') or scalar.startswith(u'...'): - block_indicators = True - flow_indicators = True - - # First character or preceded by a whitespace. - preceeded_by_whitespace = True - - # Last character or followed by a whitespace. - followed_by_whitespace = (len(scalar) == 1 or - scalar[1] in u'\0 \t\r\n\x85\u2028\u2029') - - # The previous character is a space. - previous_space = False - - # The previous character is a break. - previous_break = False - - index = 0 - while index < len(scalar): - ch = scalar[index] - - # Check for indicators. - if index == 0: - # Leading indicators are special characters. - if ch in u'#,[]{}&*!|>\'\"%@`': - flow_indicators = True - block_indicators = True - if ch in u'?:': - flow_indicators = True - if followed_by_whitespace: - block_indicators = True - if ch == u'-' and followed_by_whitespace: - flow_indicators = True - block_indicators = True - else: - # Some indicators cannot appear within a scalar as well. - if ch in u',?[]{}': - flow_indicators = True - if ch == u':': - flow_indicators = True - if followed_by_whitespace: - block_indicators = True - if ch == u'#' and preceeded_by_whitespace: - flow_indicators = True - block_indicators = True - - # Check for line breaks, special, and unicode characters. - if ch in u'\n\x85\u2028\u2029': - line_breaks = True - if not (ch == u'\n' or u'\x20' <= ch <= u'\x7E'): - if (ch == u'\x85' or u'\xA0' <= ch <= u'\uD7FF' - or u'\uE000' <= ch <= u'\uFFFD') and ch != u'\uFEFF': - unicode_characters = True - if not self.allow_unicode: - special_characters = True - else: - special_characters = True - - # Detect important whitespace combinations. - if ch == u' ': - if index == 0: - leading_space = True - if index == len(scalar)-1: - trailing_space = True - if previous_break: - break_space = True - previous_space = True - previous_break = False - elif ch in u'\n\x85\u2028\u2029': - if index == 0: - leading_break = True - if index == len(scalar)-1: - trailing_break = True - if previous_space: - space_break = True - previous_space = False - previous_break = True - else: - previous_space = False - previous_break = False - - # Prepare for the next character. - index += 1 - preceeded_by_whitespace = (ch in u'\0 \t\r\n\x85\u2028\u2029') - followed_by_whitespace = (index+1 >= len(scalar) or - scalar[index+1] in u'\0 \t\r\n\x85\u2028\u2029') - - # Let's decide what styles are allowed. - allow_flow_plain = True - allow_block_plain = True - allow_single_quoted = True - allow_double_quoted = True - allow_block = True - - # Leading and trailing whitespaces are bad for plain scalars. - if (leading_space or leading_break - or trailing_space or trailing_break): - allow_flow_plain = allow_block_plain = False - - # We do not permit trailing spaces for block scalars. - if trailing_space: - allow_block = False - - # Spaces at the beginning of a new line are only acceptable for block - # scalars. - if break_space: - allow_flow_plain = allow_block_plain = allow_single_quoted = False - - # Spaces followed by breaks, as well as special character are only - # allowed for double quoted scalars. - if space_break or special_characters: - allow_flow_plain = allow_block_plain = \ - allow_single_quoted = allow_block = False - - # Although the plain scalar writer supports breaks, we never emit - # multiline plain scalars. - if line_breaks: - allow_flow_plain = allow_block_plain = False - - # Flow indicators are forbidden for flow plain scalars. - if flow_indicators: - allow_flow_plain = False - - # Block indicators are forbidden for block plain scalars. - if block_indicators: - allow_block_plain = False - - return ScalarAnalysis(scalar=scalar, - empty=False, multiline=line_breaks, - allow_flow_plain=allow_flow_plain, - allow_block_plain=allow_block_plain, - allow_single_quoted=allow_single_quoted, - allow_double_quoted=allow_double_quoted, - allow_block=allow_block) - - # Writers. - - def flush_stream(self): - if hasattr(self.stream, 'flush'): - self.stream.flush() - - def write_stream_start(self): - # Write BOM if needed. - if self.encoding and self.encoding.startswith('utf-16'): - self.stream.write(u'\uFEFF'.encode(self.encoding)) - - def write_stream_end(self): - self.flush_stream() - - def write_indicator(self, indicator, need_whitespace, - whitespace=False, indention=False): - if self.whitespace or not need_whitespace: - data = indicator - else: - data = u' '+indicator - self.whitespace = whitespace - self.indention = self.indention and indention - self.column += len(data) - self.open_ended = False - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - - def write_indent(self): - indent = self.indent or 0 - if not self.indention or self.column > indent \ - or (self.column == indent and not self.whitespace): - self.write_line_break() - if self.column < indent: - self.whitespace = True - data = u' '*(indent-self.column) - self.column = indent - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - - def write_line_break(self, data=None): - if data is None: - data = self.best_line_break - self.whitespace = True - self.indention = True - self.line += 1 - self.column = 0 - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - - def write_version_directive(self, version_text): - data = u'%%YAML %s' % version_text - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.write_line_break() - - def write_tag_directive(self, handle_text, prefix_text): - data = u'%%TAG %s %s' % (handle_text, prefix_text) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.write_line_break() - - # Scalar streams. - - def write_single_quoted(self, text, split=True): - self.write_indicator(u'\'', True) - spaces = False - breaks = False - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if spaces: - if ch is None or ch != u' ': - if start+1 == end and self.column > self.best_width and split \ - and start != 0 and end != len(text): - self.write_indent() - else: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - elif breaks: - if ch is None or ch not in u'\n\x85\u2028\u2029': - if text[start] == u'\n': - self.write_line_break() - for br in text[start:end]: - if br == u'\n': - self.write_line_break() - else: - self.write_line_break(br) - self.write_indent() - start = end - else: - if ch is None or ch in u' \n\x85\u2028\u2029' or ch == u'\'': - if start < end: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - if ch == u'\'': - data = u'\'\'' - self.column += 2 - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end + 1 - if ch is not None: - spaces = (ch == u' ') - breaks = (ch in u'\n\x85\u2028\u2029') - end += 1 - self.write_indicator(u'\'', False) - - ESCAPE_REPLACEMENTS = { - u'\0': u'0', - u'\x07': u'a', - u'\x08': u'b', - u'\x09': u't', - u'\x0A': u'n', - u'\x0B': u'v', - u'\x0C': u'f', - u'\x0D': u'r', - u'\x1B': u'e', - u'\"': u'\"', - u'\\': u'\\', - u'\x85': u'N', - u'\xA0': u'_', - u'\u2028': u'L', - u'\u2029': u'P', - } - - def write_double_quoted(self, text, split=True): - self.write_indicator(u'"', True) - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if ch is None or ch in u'"\\\x85\u2028\u2029\uFEFF' \ - or not (u'\x20' <= ch <= u'\x7E' - or (self.allow_unicode - and (u'\xA0' <= ch <= u'\uD7FF' - or u'\uE000' <= ch <= u'\uFFFD'))): - if start < end: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - if ch is not None: - if ch in self.ESCAPE_REPLACEMENTS: - data = u'\\'+self.ESCAPE_REPLACEMENTS[ch] - elif ch <= u'\xFF': - data = u'\\x%02X' % ord(ch) - elif ch <= u'\uFFFF': - data = u'\\u%04X' % ord(ch) - else: - data = u'\\U%08X' % ord(ch) - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end+1 - if 0 < end < len(text)-1 and (ch == u' ' or start >= end) \ - and self.column+(end-start) > self.best_width and split: - data = text[start:end]+u'\\' - if start < end: - start = end - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.write_indent() - self.whitespace = False - self.indention = False - if text[start] == u' ': - data = u'\\' - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - end += 1 - self.write_indicator(u'"', False) - - def determine_block_hints(self, text): - hints = u'' - if text: - if text[0] in u' \n\x85\u2028\u2029': - hints += unicode(self.best_indent) - if text[-1] not in u'\n\x85\u2028\u2029': - hints += u'-' - elif len(text) == 1 or text[-2] in u'\n\x85\u2028\u2029': - hints += u'+' - return hints - - def write_folded(self, text): - hints = self.determine_block_hints(text) - self.write_indicator(u'>'+hints, True) - if hints[-1:] == u'+': - self.open_ended = True - self.write_line_break() - leading_space = True - spaces = False - breaks = True - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if breaks: - if ch is None or ch not in u'\n\x85\u2028\u2029': - if not leading_space and ch is not None and ch != u' ' \ - and text[start] == u'\n': - self.write_line_break() - leading_space = (ch == u' ') - for br in text[start:end]: - if br == u'\n': - self.write_line_break() - else: - self.write_line_break(br) - if ch is not None: - self.write_indent() - start = end - elif spaces: - if ch != u' ': - if start+1 == end and self.column > self.best_width: - self.write_indent() - else: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - else: - if ch is None or ch in u' \n\x85\u2028\u2029': - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - if ch is None: - self.write_line_break() - start = end - if ch is not None: - breaks = (ch in u'\n\x85\u2028\u2029') - spaces = (ch == u' ') - end += 1 - - def write_literal(self, text): - hints = self.determine_block_hints(text) - self.write_indicator(u'|'+hints, True) - if hints[-1:] == u'+': - self.open_ended = True - self.write_line_break() - breaks = True - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if breaks: - if ch is None or ch not in u'\n\x85\u2028\u2029': - for br in text[start:end]: - if br == u'\n': - self.write_line_break() - else: - self.write_line_break(br) - if ch is not None: - self.write_indent() - start = end - else: - if ch is None or ch in u'\n\x85\u2028\u2029': - data = text[start:end] - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - if ch is None: - self.write_line_break() - start = end - if ch is not None: - breaks = (ch in u'\n\x85\u2028\u2029') - end += 1 - - def write_plain(self, text, split=True): - if self.root_context: - self.open_ended = True - if not text: - return - if not self.whitespace: - data = u' ' - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.whitespace = False - self.indention = False - spaces = False - breaks = False - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if spaces: - if ch != u' ': - if start+1 == end and self.column > self.best_width and split: - self.write_indent() - self.whitespace = False - self.indention = False - else: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - elif breaks: - if ch not in u'\n\x85\u2028\u2029': - if text[start] == u'\n': - self.write_line_break() - for br in text[start:end]: - if br == u'\n': - self.write_line_break() - else: - self.write_line_break(br) - self.write_indent() - self.whitespace = False - self.indention = False - start = end - else: - if ch is None or ch in u' \n\x85\u2028\u2029': - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - if ch is not None: - spaces = (ch == u' ') - breaks = (ch in u'\n\x85\u2028\u2029') - end += 1 - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/error.py b/collectors/python.d.plugin/python_modules/pyyaml2/error.py deleted file mode 100644 index 5466be721..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/error.py +++ /dev/null @@ -1,76 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['Mark', 'YAMLError', 'MarkedYAMLError'] - -class Mark(object): - - def __init__(self, name, index, line, column, buffer, pointer): - self.name = name - self.index = index - self.line = line - self.column = column - self.buffer = buffer - self.pointer = pointer - - def get_snippet(self, indent=4, max_length=75): - if self.buffer is None: - return None - head = '' - start = self.pointer - while start > 0 and self.buffer[start-1] not in u'\0\r\n\x85\u2028\u2029': - start -= 1 - if self.pointer-start > max_length/2-1: - head = ' ... ' - start += 5 - break - tail = '' - end = self.pointer - while end < len(self.buffer) and self.buffer[end] not in u'\0\r\n\x85\u2028\u2029': - end += 1 - if end-self.pointer > max_length/2-1: - tail = ' ... ' - end -= 5 - break - snippet = self.buffer[start:end].encode('utf-8') - return ' '*indent + head + snippet + tail + '\n' \ - + ' '*(indent+self.pointer-start+len(head)) + '^' - - def __str__(self): - snippet = self.get_snippet() - where = " in \"%s\", line %d, column %d" \ - % (self.name, self.line+1, self.column+1) - if snippet is not None: - where += ":\n"+snippet - return where - -class YAMLError(Exception): - pass - -class MarkedYAMLError(YAMLError): - - def __init__(self, context=None, context_mark=None, - problem=None, problem_mark=None, note=None): - self.context = context - self.context_mark = context_mark - self.problem = problem - self.problem_mark = problem_mark - self.note = note - - def __str__(self): - lines = [] - if self.context is not None: - lines.append(self.context) - if self.context_mark is not None \ - and (self.problem is None or self.problem_mark is None - or self.context_mark.name != self.problem_mark.name - or self.context_mark.line != self.problem_mark.line - or self.context_mark.column != self.problem_mark.column): - lines.append(str(self.context_mark)) - if self.problem is not None: - lines.append(self.problem) - if self.problem_mark is not None: - lines.append(str(self.problem_mark)) - if self.note is not None: - lines.append(self.note) - return '\n'.join(lines) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/events.py b/collectors/python.d.plugin/python_modules/pyyaml2/events.py deleted file mode 100644 index 283452add..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/events.py +++ /dev/null @@ -1,87 +0,0 @@ -# SPDX-License-Identifier: MIT - -# Abstract classes. - -class Event(object): - def __init__(self, start_mark=None, end_mark=None): - self.start_mark = start_mark - self.end_mark = end_mark - def __repr__(self): - attributes = [key for key in ['anchor', 'tag', 'implicit', 'value'] - if hasattr(self, key)] - arguments = ', '.join(['%s=%r' % (key, getattr(self, key)) - for key in attributes]) - return '%s(%s)' % (self.__class__.__name__, arguments) - -class NodeEvent(Event): - def __init__(self, anchor, start_mark=None, end_mark=None): - self.anchor = anchor - self.start_mark = start_mark - self.end_mark = end_mark - -class CollectionStartEvent(NodeEvent): - def __init__(self, anchor, tag, implicit, start_mark=None, end_mark=None, - flow_style=None): - self.anchor = anchor - self.tag = tag - self.implicit = implicit - self.start_mark = start_mark - self.end_mark = end_mark - self.flow_style = flow_style - -class CollectionEndEvent(Event): - pass - -# Implementations. - -class StreamStartEvent(Event): - def __init__(self, start_mark=None, end_mark=None, encoding=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.encoding = encoding - -class StreamEndEvent(Event): - pass - -class DocumentStartEvent(Event): - def __init__(self, start_mark=None, end_mark=None, - explicit=None, version=None, tags=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.explicit = explicit - self.version = version - self.tags = tags - -class DocumentEndEvent(Event): - def __init__(self, start_mark=None, end_mark=None, - explicit=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.explicit = explicit - -class AliasEvent(NodeEvent): - pass - -class ScalarEvent(NodeEvent): - def __init__(self, anchor, tag, implicit, value, - start_mark=None, end_mark=None, style=None): - self.anchor = anchor - self.tag = tag - self.implicit = implicit - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - self.style = style - -class SequenceStartEvent(CollectionStartEvent): - pass - -class SequenceEndEvent(CollectionEndEvent): - pass - -class MappingStartEvent(CollectionStartEvent): - pass - -class MappingEndEvent(CollectionEndEvent): - pass - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/loader.py b/collectors/python.d.plugin/python_modules/pyyaml2/loader.py deleted file mode 100644 index 1c195531f..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/loader.py +++ /dev/null @@ -1,41 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseLoader', 'SafeLoader', 'Loader'] - -from reader import * -from scanner import * -from parser import * -from composer import * -from constructor import * -from resolver import * - -class BaseLoader(Reader, Scanner, Parser, Composer, BaseConstructor, BaseResolver): - - def __init__(self, stream): - Reader.__init__(self, stream) - Scanner.__init__(self) - Parser.__init__(self) - Composer.__init__(self) - BaseConstructor.__init__(self) - BaseResolver.__init__(self) - -class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, Resolver): - - def __init__(self, stream): - Reader.__init__(self, stream) - Scanner.__init__(self) - Parser.__init__(self) - Composer.__init__(self) - SafeConstructor.__init__(self) - Resolver.__init__(self) - -class Loader(Reader, Scanner, Parser, Composer, Constructor, Resolver): - - def __init__(self, stream): - Reader.__init__(self, stream) - Scanner.__init__(self) - Parser.__init__(self) - Composer.__init__(self) - Constructor.__init__(self) - Resolver.__init__(self) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/nodes.py b/collectors/python.d.plugin/python_modules/pyyaml2/nodes.py deleted file mode 100644 index ed2a1b43e..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/nodes.py +++ /dev/null @@ -1,50 +0,0 @@ -# SPDX-License-Identifier: MIT - -class Node(object): - def __init__(self, tag, value, start_mark, end_mark): - self.tag = tag - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - def __repr__(self): - value = self.value - #if isinstance(value, list): - # if len(value) == 0: - # value = '<empty>' - # elif len(value) == 1: - # value = '<1 item>' - # else: - # value = '<%d items>' % len(value) - #else: - # if len(value) > 75: - # value = repr(value[:70]+u' ... ') - # else: - # value = repr(value) - value = repr(value) - return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value) - -class ScalarNode(Node): - id = 'scalar' - def __init__(self, tag, value, - start_mark=None, end_mark=None, style=None): - self.tag = tag - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - self.style = style - -class CollectionNode(Node): - def __init__(self, tag, value, - start_mark=None, end_mark=None, flow_style=None): - self.tag = tag - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - self.flow_style = flow_style - -class SequenceNode(CollectionNode): - id = 'sequence' - -class MappingNode(CollectionNode): - id = 'mapping' - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/parser.py b/collectors/python.d.plugin/python_modules/pyyaml2/parser.py deleted file mode 100644 index 97ba08337..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/parser.py +++ /dev/null @@ -1,590 +0,0 @@ -# SPDX-License-Identifier: MIT - -# The following YAML grammar is LL(1) and is parsed by a recursive descent -# parser. -# -# stream ::= STREAM-START implicit_document? explicit_document* STREAM-END -# implicit_document ::= block_node DOCUMENT-END* -# explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* -# block_node_or_indentless_sequence ::= -# ALIAS -# | properties (block_content | indentless_block_sequence)? -# | block_content -# | indentless_block_sequence -# block_node ::= ALIAS -# | properties block_content? -# | block_content -# flow_node ::= ALIAS -# | properties flow_content? -# | flow_content -# properties ::= TAG ANCHOR? | ANCHOR TAG? -# block_content ::= block_collection | flow_collection | SCALAR -# flow_content ::= flow_collection | SCALAR -# block_collection ::= block_sequence | block_mapping -# flow_collection ::= flow_sequence | flow_mapping -# block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END -# indentless_sequence ::= (BLOCK-ENTRY block_node?)+ -# block_mapping ::= BLOCK-MAPPING_START -# ((KEY block_node_or_indentless_sequence?)? -# (VALUE block_node_or_indentless_sequence?)?)* -# BLOCK-END -# flow_sequence ::= FLOW-SEQUENCE-START -# (flow_sequence_entry FLOW-ENTRY)* -# flow_sequence_entry? -# FLOW-SEQUENCE-END -# flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? -# flow_mapping ::= FLOW-MAPPING-START -# (flow_mapping_entry FLOW-ENTRY)* -# flow_mapping_entry? -# FLOW-MAPPING-END -# flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? -# -# FIRST sets: -# -# stream: { STREAM-START } -# explicit_document: { DIRECTIVE DOCUMENT-START } -# implicit_document: FIRST(block_node) -# block_node: { ALIAS TAG ANCHOR SCALAR BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START } -# flow_node: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START } -# block_content: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR } -# flow_content: { FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR } -# block_collection: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START } -# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START } -# block_sequence: { BLOCK-SEQUENCE-START } -# block_mapping: { BLOCK-MAPPING-START } -# block_node_or_indentless_sequence: { ALIAS ANCHOR TAG SCALAR BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START BLOCK-ENTRY } -# indentless_sequence: { ENTRY } -# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START } -# flow_sequence: { FLOW-SEQUENCE-START } -# flow_mapping: { FLOW-MAPPING-START } -# flow_sequence_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START KEY } -# flow_mapping_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START KEY } - -__all__ = ['Parser', 'ParserError'] - -from error import MarkedYAMLError -from tokens import * -from events import * -from scanner import * - -class ParserError(MarkedYAMLError): - pass - -class Parser(object): - # Since writing a recursive-descendant parser is a straightforward task, we - # do not give many comments here. - - DEFAULT_TAGS = { - u'!': u'!', - u'!!': u'tag:yaml.org,2002:', - } - - def __init__(self): - self.current_event = None - self.yaml_version = None - self.tag_handles = {} - self.states = [] - self.marks = [] - self.state = self.parse_stream_start - - def dispose(self): - # Reset the state attributes (to clear self-references) - self.states = [] - self.state = None - - def check_event(self, *choices): - # Check the type of the next event. - if self.current_event is None: - if self.state: - self.current_event = self.state() - if self.current_event is not None: - if not choices: - return True - for choice in choices: - if isinstance(self.current_event, choice): - return True - return False - - def peek_event(self): - # Get the next event. - if self.current_event is None: - if self.state: - self.current_event = self.state() - return self.current_event - - def get_event(self): - # Get the next event and proceed further. - if self.current_event is None: - if self.state: - self.current_event = self.state() - value = self.current_event - self.current_event = None - return value - - # stream ::= STREAM-START implicit_document? explicit_document* STREAM-END - # implicit_document ::= block_node DOCUMENT-END* - # explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* - - def parse_stream_start(self): - - # Parse the stream start. - token = self.get_token() - event = StreamStartEvent(token.start_mark, token.end_mark, - encoding=token.encoding) - - # Prepare the next state. - self.state = self.parse_implicit_document_start - - return event - - def parse_implicit_document_start(self): - - # Parse an implicit document. - if not self.check_token(DirectiveToken, DocumentStartToken, - StreamEndToken): - self.tag_handles = self.DEFAULT_TAGS - token = self.peek_token() - start_mark = end_mark = token.start_mark - event = DocumentStartEvent(start_mark, end_mark, - explicit=False) - - # Prepare the next state. - self.states.append(self.parse_document_end) - self.state = self.parse_block_node - - return event - - else: - return self.parse_document_start() - - def parse_document_start(self): - - # Parse any extra document end indicators. - while self.check_token(DocumentEndToken): - self.get_token() - - # Parse an explicit document. - if not self.check_token(StreamEndToken): - token = self.peek_token() - start_mark = token.start_mark - version, tags = self.process_directives() - if not self.check_token(DocumentStartToken): - raise ParserError(None, None, - "expected '<document start>', but found %r" - % self.peek_token().id, - self.peek_token().start_mark) - token = self.get_token() - end_mark = token.end_mark - event = DocumentStartEvent(start_mark, end_mark, - explicit=True, version=version, tags=tags) - self.states.append(self.parse_document_end) - self.state = self.parse_document_content - else: - # Parse the end of the stream. - token = self.get_token() - event = StreamEndEvent(token.start_mark, token.end_mark) - assert not self.states - assert not self.marks - self.state = None - return event - - def parse_document_end(self): - - # Parse the document end. - token = self.peek_token() - start_mark = end_mark = token.start_mark - explicit = False - if self.check_token(DocumentEndToken): - token = self.get_token() - end_mark = token.end_mark - explicit = True - event = DocumentEndEvent(start_mark, end_mark, - explicit=explicit) - - # Prepare the next state. - self.state = self.parse_document_start - - return event - - def parse_document_content(self): - if self.check_token(DirectiveToken, - DocumentStartToken, DocumentEndToken, StreamEndToken): - event = self.process_empty_scalar(self.peek_token().start_mark) - self.state = self.states.pop() - return event - else: - return self.parse_block_node() - - def process_directives(self): - self.yaml_version = None - self.tag_handles = {} - while self.check_token(DirectiveToken): - token = self.get_token() - if token.name == u'YAML': - if self.yaml_version is not None: - raise ParserError(None, None, - "found duplicate YAML directive", token.start_mark) - major, minor = token.value - if major != 1: - raise ParserError(None, None, - "found incompatible YAML document (version 1.* is required)", - token.start_mark) - self.yaml_version = token.value - elif token.name == u'TAG': - handle, prefix = token.value - if handle in self.tag_handles: - raise ParserError(None, None, - "duplicate tag handle %r" % handle.encode('utf-8'), - token.start_mark) - self.tag_handles[handle] = prefix - if self.tag_handles: - value = self.yaml_version, self.tag_handles.copy() - else: - value = self.yaml_version, None - for key in self.DEFAULT_TAGS: - if key not in self.tag_handles: - self.tag_handles[key] = self.DEFAULT_TAGS[key] - return value - - # block_node_or_indentless_sequence ::= ALIAS - # | properties (block_content | indentless_block_sequence)? - # | block_content - # | indentless_block_sequence - # block_node ::= ALIAS - # | properties block_content? - # | block_content - # flow_node ::= ALIAS - # | properties flow_content? - # | flow_content - # properties ::= TAG ANCHOR? | ANCHOR TAG? - # block_content ::= block_collection | flow_collection | SCALAR - # flow_content ::= flow_collection | SCALAR - # block_collection ::= block_sequence | block_mapping - # flow_collection ::= flow_sequence | flow_mapping - - def parse_block_node(self): - return self.parse_node(block=True) - - def parse_flow_node(self): - return self.parse_node() - - def parse_block_node_or_indentless_sequence(self): - return self.parse_node(block=True, indentless_sequence=True) - - def parse_node(self, block=False, indentless_sequence=False): - if self.check_token(AliasToken): - token = self.get_token() - event = AliasEvent(token.value, token.start_mark, token.end_mark) - self.state = self.states.pop() - else: - anchor = None - tag = None - start_mark = end_mark = tag_mark = None - if self.check_token(AnchorToken): - token = self.get_token() - start_mark = token.start_mark - end_mark = token.end_mark - anchor = token.value - if self.check_token(TagToken): - token = self.get_token() - tag_mark = token.start_mark - end_mark = token.end_mark - tag = token.value - elif self.check_token(TagToken): - token = self.get_token() - start_mark = tag_mark = token.start_mark - end_mark = token.end_mark - tag = token.value - if self.check_token(AnchorToken): - token = self.get_token() - end_mark = token.end_mark - anchor = token.value - if tag is not None: - handle, suffix = tag - if handle is not None: - if handle not in self.tag_handles: - raise ParserError("while parsing a node", start_mark, - "found undefined tag handle %r" % handle.encode('utf-8'), - tag_mark) - tag = self.tag_handles[handle]+suffix - else: - tag = suffix - #if tag == u'!': - # raise ParserError("while parsing a node", start_mark, - # "found non-specific tag '!'", tag_mark, - # "Please check 'http://pyyaml.org/wiki/YAMLNonSpecificTag' and share your opinion.") - if start_mark is None: - start_mark = end_mark = self.peek_token().start_mark - event = None - implicit = (tag is None or tag == u'!') - if indentless_sequence and self.check_token(BlockEntryToken): - end_mark = self.peek_token().end_mark - event = SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark) - self.state = self.parse_indentless_sequence_entry - else: - if self.check_token(ScalarToken): - token = self.get_token() - end_mark = token.end_mark - if (token.plain and tag is None) or tag == u'!': - implicit = (True, False) - elif tag is None: - implicit = (False, True) - else: - implicit = (False, False) - event = ScalarEvent(anchor, tag, implicit, token.value, - start_mark, end_mark, style=token.style) - self.state = self.states.pop() - elif self.check_token(FlowSequenceStartToken): - end_mark = self.peek_token().end_mark - event = SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=True) - self.state = self.parse_flow_sequence_first_entry - elif self.check_token(FlowMappingStartToken): - end_mark = self.peek_token().end_mark - event = MappingStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=True) - self.state = self.parse_flow_mapping_first_key - elif block and self.check_token(BlockSequenceStartToken): - end_mark = self.peek_token().start_mark - event = SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=False) - self.state = self.parse_block_sequence_first_entry - elif block and self.check_token(BlockMappingStartToken): - end_mark = self.peek_token().start_mark - event = MappingStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=False) - self.state = self.parse_block_mapping_first_key - elif anchor is not None or tag is not None: - # Empty scalars are allowed even if a tag or an anchor is - # specified. - event = ScalarEvent(anchor, tag, (implicit, False), u'', - start_mark, end_mark) - self.state = self.states.pop() - else: - if block: - node = 'block' - else: - node = 'flow' - token = self.peek_token() - raise ParserError("while parsing a %s node" % node, start_mark, - "expected the node content, but found %r" % token.id, - token.start_mark) - return event - - # block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END - - def parse_block_sequence_first_entry(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_block_sequence_entry() - - def parse_block_sequence_entry(self): - if self.check_token(BlockEntryToken): - token = self.get_token() - if not self.check_token(BlockEntryToken, BlockEndToken): - self.states.append(self.parse_block_sequence_entry) - return self.parse_block_node() - else: - self.state = self.parse_block_sequence_entry - return self.process_empty_scalar(token.end_mark) - if not self.check_token(BlockEndToken): - token = self.peek_token() - raise ParserError("while parsing a block collection", self.marks[-1], - "expected <block end>, but found %r" % token.id, token.start_mark) - token = self.get_token() - event = SequenceEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - # indentless_sequence ::= (BLOCK-ENTRY block_node?)+ - - def parse_indentless_sequence_entry(self): - if self.check_token(BlockEntryToken): - token = self.get_token() - if not self.check_token(BlockEntryToken, - KeyToken, ValueToken, BlockEndToken): - self.states.append(self.parse_indentless_sequence_entry) - return self.parse_block_node() - else: - self.state = self.parse_indentless_sequence_entry - return self.process_empty_scalar(token.end_mark) - token = self.peek_token() - event = SequenceEndEvent(token.start_mark, token.start_mark) - self.state = self.states.pop() - return event - - # block_mapping ::= BLOCK-MAPPING_START - # ((KEY block_node_or_indentless_sequence?)? - # (VALUE block_node_or_indentless_sequence?)?)* - # BLOCK-END - - def parse_block_mapping_first_key(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_block_mapping_key() - - def parse_block_mapping_key(self): - if self.check_token(KeyToken): - token = self.get_token() - if not self.check_token(KeyToken, ValueToken, BlockEndToken): - self.states.append(self.parse_block_mapping_value) - return self.parse_block_node_or_indentless_sequence() - else: - self.state = self.parse_block_mapping_value - return self.process_empty_scalar(token.end_mark) - if not self.check_token(BlockEndToken): - token = self.peek_token() - raise ParserError("while parsing a block mapping", self.marks[-1], - "expected <block end>, but found %r" % token.id, token.start_mark) - token = self.get_token() - event = MappingEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - def parse_block_mapping_value(self): - if self.check_token(ValueToken): - token = self.get_token() - if not self.check_token(KeyToken, ValueToken, BlockEndToken): - self.states.append(self.parse_block_mapping_key) - return self.parse_block_node_or_indentless_sequence() - else: - self.state = self.parse_block_mapping_key - return self.process_empty_scalar(token.end_mark) - else: - self.state = self.parse_block_mapping_key - token = self.peek_token() - return self.process_empty_scalar(token.start_mark) - - # flow_sequence ::= FLOW-SEQUENCE-START - # (flow_sequence_entry FLOW-ENTRY)* - # flow_sequence_entry? - # FLOW-SEQUENCE-END - # flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - # - # Note that while production rules for both flow_sequence_entry and - # flow_mapping_entry are equal, their interpretations are different. - # For `flow_sequence_entry`, the part `KEY flow_node? (VALUE flow_node?)?` - # generate an inline mapping (set syntax). - - def parse_flow_sequence_first_entry(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_flow_sequence_entry(first=True) - - def parse_flow_sequence_entry(self, first=False): - if not self.check_token(FlowSequenceEndToken): - if not first: - if self.check_token(FlowEntryToken): - self.get_token() - else: - token = self.peek_token() - raise ParserError("while parsing a flow sequence", self.marks[-1], - "expected ',' or ']', but got %r" % token.id, token.start_mark) - - if self.check_token(KeyToken): - token = self.peek_token() - event = MappingStartEvent(None, None, True, - token.start_mark, token.end_mark, - flow_style=True) - self.state = self.parse_flow_sequence_entry_mapping_key - return event - elif not self.check_token(FlowSequenceEndToken): - self.states.append(self.parse_flow_sequence_entry) - return self.parse_flow_node() - token = self.get_token() - event = SequenceEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - def parse_flow_sequence_entry_mapping_key(self): - token = self.get_token() - if not self.check_token(ValueToken, - FlowEntryToken, FlowSequenceEndToken): - self.states.append(self.parse_flow_sequence_entry_mapping_value) - return self.parse_flow_node() - else: - self.state = self.parse_flow_sequence_entry_mapping_value - return self.process_empty_scalar(token.end_mark) - - def parse_flow_sequence_entry_mapping_value(self): - if self.check_token(ValueToken): - token = self.get_token() - if not self.check_token(FlowEntryToken, FlowSequenceEndToken): - self.states.append(self.parse_flow_sequence_entry_mapping_end) - return self.parse_flow_node() - else: - self.state = self.parse_flow_sequence_entry_mapping_end - return self.process_empty_scalar(token.end_mark) - else: - self.state = self.parse_flow_sequence_entry_mapping_end - token = self.peek_token() - return self.process_empty_scalar(token.start_mark) - - def parse_flow_sequence_entry_mapping_end(self): - self.state = self.parse_flow_sequence_entry - token = self.peek_token() - return MappingEndEvent(token.start_mark, token.start_mark) - - # flow_mapping ::= FLOW-MAPPING-START - # (flow_mapping_entry FLOW-ENTRY)* - # flow_mapping_entry? - # FLOW-MAPPING-END - # flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - - def parse_flow_mapping_first_key(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_flow_mapping_key(first=True) - - def parse_flow_mapping_key(self, first=False): - if not self.check_token(FlowMappingEndToken): - if not first: - if self.check_token(FlowEntryToken): - self.get_token() - else: - token = self.peek_token() - raise ParserError("while parsing a flow mapping", self.marks[-1], - "expected ',' or '}', but got %r" % token.id, token.start_mark) - if self.check_token(KeyToken): - token = self.get_token() - if not self.check_token(ValueToken, - FlowEntryToken, FlowMappingEndToken): - self.states.append(self.parse_flow_mapping_value) - return self.parse_flow_node() - else: - self.state = self.parse_flow_mapping_value - return self.process_empty_scalar(token.end_mark) - elif not self.check_token(FlowMappingEndToken): - self.states.append(self.parse_flow_mapping_empty_value) - return self.parse_flow_node() - token = self.get_token() - event = MappingEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - def parse_flow_mapping_value(self): - if self.check_token(ValueToken): - token = self.get_token() - if not self.check_token(FlowEntryToken, FlowMappingEndToken): - self.states.append(self.parse_flow_mapping_key) - return self.parse_flow_node() - else: - self.state = self.parse_flow_mapping_key - return self.process_empty_scalar(token.end_mark) - else: - self.state = self.parse_flow_mapping_key - token = self.peek_token() - return self.process_empty_scalar(token.start_mark) - - def parse_flow_mapping_empty_value(self): - self.state = self.parse_flow_mapping_key - return self.process_empty_scalar(self.peek_token().start_mark) - - def process_empty_scalar(self, mark): - return ScalarEvent(None, None, (True, False), u'', mark, mark) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/reader.py b/collectors/python.d.plugin/python_modules/pyyaml2/reader.py deleted file mode 100644 index 8d422954e..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/reader.py +++ /dev/null @@ -1,191 +0,0 @@ -# SPDX-License-Identifier: MIT -# This module contains abstractions for the input stream. You don't have to -# looks further, there are no pretty code. -# -# We define two classes here. -# -# Mark(source, line, column) -# It's just a record and its only use is producing nice error messages. -# Parser does not use it for any other purposes. -# -# Reader(source, data) -# Reader determines the encoding of `data` and converts it to unicode. -# Reader provides the following methods and attributes: -# reader.peek(length=1) - return the next `length` characters -# reader.forward(length=1) - move the current position to `length` characters. -# reader.index - the number of the current character. -# reader.line, stream.column - the line and the column of the current character. - -__all__ = ['Reader', 'ReaderError'] - -from error import YAMLError, Mark - -import codecs, re - -class ReaderError(YAMLError): - - def __init__(self, name, position, character, encoding, reason): - self.name = name - self.character = character - self.position = position - self.encoding = encoding - self.reason = reason - - def __str__(self): - if isinstance(self.character, str): - return "'%s' codec can't decode byte #x%02x: %s\n" \ - " in \"%s\", position %d" \ - % (self.encoding, ord(self.character), self.reason, - self.name, self.position) - else: - return "unacceptable character #x%04x: %s\n" \ - " in \"%s\", position %d" \ - % (self.character, self.reason, - self.name, self.position) - -class Reader(object): - # Reader: - # - determines the data encoding and converts it to unicode, - # - checks if characters are in allowed range, - # - adds '\0' to the end. - - # Reader accepts - # - a `str` object, - # - a `unicode` object, - # - a file-like object with its `read` method returning `str`, - # - a file-like object with its `read` method returning `unicode`. - - # Yeah, it's ugly and slow. - - def __init__(self, stream): - self.name = None - self.stream = None - self.stream_pointer = 0 - self.eof = True - self.buffer = u'' - self.pointer = 0 - self.raw_buffer = None - self.raw_decode = None - self.encoding = None - self.index = 0 - self.line = 0 - self.column = 0 - if isinstance(stream, unicode): - self.name = "<unicode string>" - self.check_printable(stream) - self.buffer = stream+u'\0' - elif isinstance(stream, str): - self.name = "<string>" - self.raw_buffer = stream - self.determine_encoding() - else: - self.stream = stream - self.name = getattr(stream, 'name', "<file>") - self.eof = False - self.raw_buffer = '' - self.determine_encoding() - - def peek(self, index=0): - try: - return self.buffer[self.pointer+index] - except IndexError: - self.update(index+1) - return self.buffer[self.pointer+index] - - def prefix(self, length=1): - if self.pointer+length >= len(self.buffer): - self.update(length) - return self.buffer[self.pointer:self.pointer+length] - - def forward(self, length=1): - if self.pointer+length+1 >= len(self.buffer): - self.update(length+1) - while length: - ch = self.buffer[self.pointer] - self.pointer += 1 - self.index += 1 - if ch in u'\n\x85\u2028\u2029' \ - or (ch == u'\r' and self.buffer[self.pointer] != u'\n'): - self.line += 1 - self.column = 0 - elif ch != u'\uFEFF': - self.column += 1 - length -= 1 - - def get_mark(self): - if self.stream is None: - return Mark(self.name, self.index, self.line, self.column, - self.buffer, self.pointer) - else: - return Mark(self.name, self.index, self.line, self.column, - None, None) - - def determine_encoding(self): - while not self.eof and len(self.raw_buffer) < 2: - self.update_raw() - if not isinstance(self.raw_buffer, unicode): - if self.raw_buffer.startswith(codecs.BOM_UTF16_LE): - self.raw_decode = codecs.utf_16_le_decode - self.encoding = 'utf-16-le' - elif self.raw_buffer.startswith(codecs.BOM_UTF16_BE): - self.raw_decode = codecs.utf_16_be_decode - self.encoding = 'utf-16-be' - else: - self.raw_decode = codecs.utf_8_decode - self.encoding = 'utf-8' - self.update(1) - - NON_PRINTABLE = re.compile(u'[^\x09\x0A\x0D\x20-\x7E\x85\xA0-\uD7FF\uE000-\uFFFD]') - def check_printable(self, data): - match = self.NON_PRINTABLE.search(data) - if match: - character = match.group() - position = self.index+(len(self.buffer)-self.pointer)+match.start() - raise ReaderError(self.name, position, ord(character), - 'unicode', "special characters are not allowed") - - def update(self, length): - if self.raw_buffer is None: - return - self.buffer = self.buffer[self.pointer:] - self.pointer = 0 - while len(self.buffer) < length: - if not self.eof: - self.update_raw() - if self.raw_decode is not None: - try: - data, converted = self.raw_decode(self.raw_buffer, - 'strict', self.eof) - except UnicodeDecodeError, exc: - character = exc.object[exc.start] - if self.stream is not None: - position = self.stream_pointer-len(self.raw_buffer)+exc.start - else: - position = exc.start - raise ReaderError(self.name, position, character, - exc.encoding, exc.reason) - else: - data = self.raw_buffer - converted = len(data) - self.check_printable(data) - self.buffer += data - self.raw_buffer = self.raw_buffer[converted:] - if self.eof: - self.buffer += u'\0' - self.raw_buffer = None - break - - def update_raw(self, size=1024): - data = self.stream.read(size) - if data: - self.raw_buffer += data - self.stream_pointer += len(data) - else: - self.eof = True - -#try: -# import psyco -# psyco.bind(Reader) -#except ImportError: -# pass - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/representer.py b/collectors/python.d.plugin/python_modules/pyyaml2/representer.py deleted file mode 100644 index 0a1404eca..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/representer.py +++ /dev/null @@ -1,485 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseRepresenter', 'SafeRepresenter', 'Representer', - 'RepresenterError'] - -from error import * -from nodes import * - -import datetime - -import sys, copy_reg, types - -class RepresenterError(YAMLError): - pass - -class BaseRepresenter(object): - - yaml_representers = {} - yaml_multi_representers = {} - - def __init__(self, default_style=None, default_flow_style=None): - self.default_style = default_style - self.default_flow_style = default_flow_style - self.represented_objects = {} - self.object_keeper = [] - self.alias_key = None - - def represent(self, data): - node = self.represent_data(data) - self.serialize(node) - self.represented_objects = {} - self.object_keeper = [] - self.alias_key = None - - def get_classobj_bases(self, cls): - bases = [cls] - for base in cls.__bases__: - bases.extend(self.get_classobj_bases(base)) - return bases - - def represent_data(self, data): - if self.ignore_aliases(data): - self.alias_key = None - else: - self.alias_key = id(data) - if self.alias_key is not None: - if self.alias_key in self.represented_objects: - node = self.represented_objects[self.alias_key] - #if node is None: - # raise RepresenterError("recursive objects are not allowed: %r" % data) - return node - #self.represented_objects[alias_key] = None - self.object_keeper.append(data) - data_types = type(data).__mro__ - if type(data) is types.InstanceType: - data_types = self.get_classobj_bases(data.__class__)+list(data_types) - if data_types[0] in self.yaml_representers: - node = self.yaml_representers[data_types[0]](self, data) - else: - for data_type in data_types: - if data_type in self.yaml_multi_representers: - node = self.yaml_multi_representers[data_type](self, data) - break - else: - if None in self.yaml_multi_representers: - node = self.yaml_multi_representers[None](self, data) - elif None in self.yaml_representers: - node = self.yaml_representers[None](self, data) - else: - node = ScalarNode(None, unicode(data)) - #if alias_key is not None: - # self.represented_objects[alias_key] = node - return node - - def add_representer(cls, data_type, representer): - if not 'yaml_representers' in cls.__dict__: - cls.yaml_representers = cls.yaml_representers.copy() - cls.yaml_representers[data_type] = representer - add_representer = classmethod(add_representer) - - def add_multi_representer(cls, data_type, representer): - if not 'yaml_multi_representers' in cls.__dict__: - cls.yaml_multi_representers = cls.yaml_multi_representers.copy() - cls.yaml_multi_representers[data_type] = representer - add_multi_representer = classmethod(add_multi_representer) - - def represent_scalar(self, tag, value, style=None): - if style is None: - style = self.default_style - node = ScalarNode(tag, value, style=style) - if self.alias_key is not None: - self.represented_objects[self.alias_key] = node - return node - - def represent_sequence(self, tag, sequence, flow_style=None): - value = [] - node = SequenceNode(tag, value, flow_style=flow_style) - if self.alias_key is not None: - self.represented_objects[self.alias_key] = node - best_style = True - for item in sequence: - node_item = self.represent_data(item) - if not (isinstance(node_item, ScalarNode) and not node_item.style): - best_style = False - value.append(node_item) - if flow_style is None: - if self.default_flow_style is not None: - node.flow_style = self.default_flow_style - else: - node.flow_style = best_style - return node - - def represent_mapping(self, tag, mapping, flow_style=None): - value = [] - node = MappingNode(tag, value, flow_style=flow_style) - if self.alias_key is not None: - self.represented_objects[self.alias_key] = node - best_style = True - if hasattr(mapping, 'items'): - mapping = mapping.items() - mapping.sort() - for item_key, item_value in mapping: - node_key = self.represent_data(item_key) - node_value = self.represent_data(item_value) - if not (isinstance(node_key, ScalarNode) and not node_key.style): - best_style = False - if not (isinstance(node_value, ScalarNode) and not node_value.style): - best_style = False - value.append((node_key, node_value)) - if flow_style is None: - if self.default_flow_style is not None: - node.flow_style = self.default_flow_style - else: - node.flow_style = best_style - return node - - def ignore_aliases(self, data): - return False - -class SafeRepresenter(BaseRepresenter): - - def ignore_aliases(self, data): - if data in [None, ()]: - return True - if isinstance(data, (str, unicode, bool, int, float)): - return True - - def represent_none(self, data): - return self.represent_scalar(u'tag:yaml.org,2002:null', - u'null') - - def represent_str(self, data): - tag = None - style = None - try: - data = unicode(data, 'ascii') - tag = u'tag:yaml.org,2002:str' - except UnicodeDecodeError: - try: - data = unicode(data, 'utf-8') - tag = u'tag:yaml.org,2002:str' - except UnicodeDecodeError: - data = data.encode('base64') - tag = u'tag:yaml.org,2002:binary' - style = '|' - return self.represent_scalar(tag, data, style=style) - - def represent_unicode(self, data): - return self.represent_scalar(u'tag:yaml.org,2002:str', data) - - def represent_bool(self, data): - if data: - value = u'true' - else: - value = u'false' - return self.represent_scalar(u'tag:yaml.org,2002:bool', value) - - def represent_int(self, data): - return self.represent_scalar(u'tag:yaml.org,2002:int', unicode(data)) - - def represent_long(self, data): - return self.represent_scalar(u'tag:yaml.org,2002:int', unicode(data)) - - inf_value = 1e300 - while repr(inf_value) != repr(inf_value*inf_value): - inf_value *= inf_value - - def represent_float(self, data): - if data != data or (data == 0.0 and data == 1.0): - value = u'.nan' - elif data == self.inf_value: - value = u'.inf' - elif data == -self.inf_value: - value = u'-.inf' - else: - value = unicode(repr(data)).lower() - # Note that in some cases `repr(data)` represents a float number - # without the decimal parts. For instance: - # >>> repr(1e17) - # '1e17' - # Unfortunately, this is not a valid float representation according - # to the definition of the `!!float` tag. We fix this by adding - # '.0' before the 'e' symbol. - if u'.' not in value and u'e' in value: - value = value.replace(u'e', u'.0e', 1) - return self.represent_scalar(u'tag:yaml.org,2002:float', value) - - def represent_list(self, data): - #pairs = (len(data) > 0 and isinstance(data, list)) - #if pairs: - # for item in data: - # if not isinstance(item, tuple) or len(item) != 2: - # pairs = False - # break - #if not pairs: - return self.represent_sequence(u'tag:yaml.org,2002:seq', data) - #value = [] - #for item_key, item_value in data: - # value.append(self.represent_mapping(u'tag:yaml.org,2002:map', - # [(item_key, item_value)])) - #return SequenceNode(u'tag:yaml.org,2002:pairs', value) - - def represent_dict(self, data): - return self.represent_mapping(u'tag:yaml.org,2002:map', data) - - def represent_set(self, data): - value = {} - for key in data: - value[key] = None - return self.represent_mapping(u'tag:yaml.org,2002:set', value) - - def represent_date(self, data): - value = unicode(data.isoformat()) - return self.represent_scalar(u'tag:yaml.org,2002:timestamp', value) - - def represent_datetime(self, data): - value = unicode(data.isoformat(' ')) - return self.represent_scalar(u'tag:yaml.org,2002:timestamp', value) - - def represent_yaml_object(self, tag, data, cls, flow_style=None): - if hasattr(data, '__getstate__'): - state = data.__getstate__() - else: - state = data.__dict__.copy() - return self.represent_mapping(tag, state, flow_style=flow_style) - - def represent_undefined(self, data): - raise RepresenterError("cannot represent an object: %s" % data) - -SafeRepresenter.add_representer(type(None), - SafeRepresenter.represent_none) - -SafeRepresenter.add_representer(str, - SafeRepresenter.represent_str) - -SafeRepresenter.add_representer(unicode, - SafeRepresenter.represent_unicode) - -SafeRepresenter.add_representer(bool, - SafeRepresenter.represent_bool) - -SafeRepresenter.add_representer(int, - SafeRepresenter.represent_int) - -SafeRepresenter.add_representer(long, - SafeRepresenter.represent_long) - -SafeRepresenter.add_representer(float, - SafeRepresenter.represent_float) - -SafeRepresenter.add_representer(list, - SafeRepresenter.represent_list) - -SafeRepresenter.add_representer(tuple, - SafeRepresenter.represent_list) - -SafeRepresenter.add_representer(dict, - SafeRepresenter.represent_dict) - -SafeRepresenter.add_representer(set, - SafeRepresenter.represent_set) - -SafeRepresenter.add_representer(datetime.date, - SafeRepresenter.represent_date) - -SafeRepresenter.add_representer(datetime.datetime, - SafeRepresenter.represent_datetime) - -SafeRepresenter.add_representer(None, - SafeRepresenter.represent_undefined) - -class Representer(SafeRepresenter): - - def represent_str(self, data): - tag = None - style = None - try: - data = unicode(data, 'ascii') - tag = u'tag:yaml.org,2002:str' - except UnicodeDecodeError: - try: - data = unicode(data, 'utf-8') - tag = u'tag:yaml.org,2002:python/str' - except UnicodeDecodeError: - data = data.encode('base64') - tag = u'tag:yaml.org,2002:binary' - style = '|' - return self.represent_scalar(tag, data, style=style) - - def represent_unicode(self, data): - tag = None - try: - data.encode('ascii') - tag = u'tag:yaml.org,2002:python/unicode' - except UnicodeEncodeError: - tag = u'tag:yaml.org,2002:str' - return self.represent_scalar(tag, data) - - def represent_long(self, data): - tag = u'tag:yaml.org,2002:int' - if int(data) is not data: - tag = u'tag:yaml.org,2002:python/long' - return self.represent_scalar(tag, unicode(data)) - - def represent_complex(self, data): - if data.imag == 0.0: - data = u'%r' % data.real - elif data.real == 0.0: - data = u'%rj' % data.imag - elif data.imag > 0: - data = u'%r+%rj' % (data.real, data.imag) - else: - data = u'%r%rj' % (data.real, data.imag) - return self.represent_scalar(u'tag:yaml.org,2002:python/complex', data) - - def represent_tuple(self, data): - return self.represent_sequence(u'tag:yaml.org,2002:python/tuple', data) - - def represent_name(self, data): - name = u'%s.%s' % (data.__module__, data.__name__) - return self.represent_scalar(u'tag:yaml.org,2002:python/name:'+name, u'') - - def represent_module(self, data): - return self.represent_scalar( - u'tag:yaml.org,2002:python/module:'+data.__name__, u'') - - def represent_instance(self, data): - # For instances of classic classes, we use __getinitargs__ and - # __getstate__ to serialize the data. - - # If data.__getinitargs__ exists, the object must be reconstructed by - # calling cls(**args), where args is a tuple returned by - # __getinitargs__. Otherwise, the cls.__init__ method should never be - # called and the class instance is created by instantiating a trivial - # class and assigning to the instance's __class__ variable. - - # If data.__getstate__ exists, it returns the state of the object. - # Otherwise, the state of the object is data.__dict__. - - # We produce either a !!python/object or !!python/object/new node. - # If data.__getinitargs__ does not exist and state is a dictionary, we - # produce a !!python/object node . Otherwise we produce a - # !!python/object/new node. - - cls = data.__class__ - class_name = u'%s.%s' % (cls.__module__, cls.__name__) - args = None - state = None - if hasattr(data, '__getinitargs__'): - args = list(data.__getinitargs__()) - if hasattr(data, '__getstate__'): - state = data.__getstate__() - else: - state = data.__dict__ - if args is None and isinstance(state, dict): - return self.represent_mapping( - u'tag:yaml.org,2002:python/object:'+class_name, state) - if isinstance(state, dict) and not state: - return self.represent_sequence( - u'tag:yaml.org,2002:python/object/new:'+class_name, args) - value = {} - if args: - value['args'] = args - value['state'] = state - return self.represent_mapping( - u'tag:yaml.org,2002:python/object/new:'+class_name, value) - - def represent_object(self, data): - # We use __reduce__ API to save the data. data.__reduce__ returns - # a tuple of length 2-5: - # (function, args, state, listitems, dictitems) - - # For reconstructing, we calls function(*args), then set its state, - # listitems, and dictitems if they are not None. - - # A special case is when function.__name__ == '__newobj__'. In this - # case we create the object with args[0].__new__(*args). - - # Another special case is when __reduce__ returns a string - we don't - # support it. - - # We produce a !!python/object, !!python/object/new or - # !!python/object/apply node. - - cls = type(data) - if cls in copy_reg.dispatch_table: - reduce = copy_reg.dispatch_table[cls](data) - elif hasattr(data, '__reduce_ex__'): - reduce = data.__reduce_ex__(2) - elif hasattr(data, '__reduce__'): - reduce = data.__reduce__() - else: - raise RepresenterError("cannot represent object: %r" % data) - reduce = (list(reduce)+[None]*5)[:5] - function, args, state, listitems, dictitems = reduce - args = list(args) - if state is None: - state = {} - if listitems is not None: - listitems = list(listitems) - if dictitems is not None: - dictitems = dict(dictitems) - if function.__name__ == '__newobj__': - function = args[0] - args = args[1:] - tag = u'tag:yaml.org,2002:python/object/new:' - newobj = True - else: - tag = u'tag:yaml.org,2002:python/object/apply:' - newobj = False - function_name = u'%s.%s' % (function.__module__, function.__name__) - if not args and not listitems and not dictitems \ - and isinstance(state, dict) and newobj: - return self.represent_mapping( - u'tag:yaml.org,2002:python/object:'+function_name, state) - if not listitems and not dictitems \ - and isinstance(state, dict) and not state: - return self.represent_sequence(tag+function_name, args) - value = {} - if args: - value['args'] = args - if state or not isinstance(state, dict): - value['state'] = state - if listitems: - value['listitems'] = listitems - if dictitems: - value['dictitems'] = dictitems - return self.represent_mapping(tag+function_name, value) - -Representer.add_representer(str, - Representer.represent_str) - -Representer.add_representer(unicode, - Representer.represent_unicode) - -Representer.add_representer(long, - Representer.represent_long) - -Representer.add_representer(complex, - Representer.represent_complex) - -Representer.add_representer(tuple, - Representer.represent_tuple) - -Representer.add_representer(type, - Representer.represent_name) - -Representer.add_representer(types.ClassType, - Representer.represent_name) - -Representer.add_representer(types.FunctionType, - Representer.represent_name) - -Representer.add_representer(types.BuiltinFunctionType, - Representer.represent_name) - -Representer.add_representer(types.ModuleType, - Representer.represent_module) - -Representer.add_multi_representer(types.InstanceType, - Representer.represent_instance) - -Representer.add_multi_representer(object, - Representer.represent_object) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/resolver.py b/collectors/python.d.plugin/python_modules/pyyaml2/resolver.py deleted file mode 100644 index 49922debf..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/resolver.py +++ /dev/null @@ -1,225 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseResolver', 'Resolver'] - -from error import * -from nodes import * - -import re - -class ResolverError(YAMLError): - pass - -class BaseResolver(object): - - DEFAULT_SCALAR_TAG = u'tag:yaml.org,2002:str' - DEFAULT_SEQUENCE_TAG = u'tag:yaml.org,2002:seq' - DEFAULT_MAPPING_TAG = u'tag:yaml.org,2002:map' - - yaml_implicit_resolvers = {} - yaml_path_resolvers = {} - - def __init__(self): - self.resolver_exact_paths = [] - self.resolver_prefix_paths = [] - - def add_implicit_resolver(cls, tag, regexp, first): - if not 'yaml_implicit_resolvers' in cls.__dict__: - cls.yaml_implicit_resolvers = cls.yaml_implicit_resolvers.copy() - if first is None: - first = [None] - for ch in first: - cls.yaml_implicit_resolvers.setdefault(ch, []).append((tag, regexp)) - add_implicit_resolver = classmethod(add_implicit_resolver) - - def add_path_resolver(cls, tag, path, kind=None): - # Note: `add_path_resolver` is experimental. The API could be changed. - # `new_path` is a pattern that is matched against the path from the - # root to the node that is being considered. `node_path` elements are - # tuples `(node_check, index_check)`. `node_check` is a node class: - # `ScalarNode`, `SequenceNode`, `MappingNode` or `None`. `None` - # matches any kind of a node. `index_check` could be `None`, a boolean - # value, a string value, or a number. `None` and `False` match against - # any _value_ of sequence and mapping nodes. `True` matches against - # any _key_ of a mapping node. A string `index_check` matches against - # a mapping value that corresponds to a scalar key which content is - # equal to the `index_check` value. An integer `index_check` matches - # against a sequence value with the index equal to `index_check`. - if not 'yaml_path_resolvers' in cls.__dict__: - cls.yaml_path_resolvers = cls.yaml_path_resolvers.copy() - new_path = [] - for element in path: - if isinstance(element, (list, tuple)): - if len(element) == 2: - node_check, index_check = element - elif len(element) == 1: - node_check = element[0] - index_check = True - else: - raise ResolverError("Invalid path element: %s" % element) - else: - node_check = None - index_check = element - if node_check is str: - node_check = ScalarNode - elif node_check is list: - node_check = SequenceNode - elif node_check is dict: - node_check = MappingNode - elif node_check not in [ScalarNode, SequenceNode, MappingNode] \ - and not isinstance(node_check, basestring) \ - and node_check is not None: - raise ResolverError("Invalid node checker: %s" % node_check) - if not isinstance(index_check, (basestring, int)) \ - and index_check is not None: - raise ResolverError("Invalid index checker: %s" % index_check) - new_path.append((node_check, index_check)) - if kind is str: - kind = ScalarNode - elif kind is list: - kind = SequenceNode - elif kind is dict: - kind = MappingNode - elif kind not in [ScalarNode, SequenceNode, MappingNode] \ - and kind is not None: - raise ResolverError("Invalid node kind: %s" % kind) - cls.yaml_path_resolvers[tuple(new_path), kind] = tag - add_path_resolver = classmethod(add_path_resolver) - - def descend_resolver(self, current_node, current_index): - if not self.yaml_path_resolvers: - return - exact_paths = {} - prefix_paths = [] - if current_node: - depth = len(self.resolver_prefix_paths) - for path, kind in self.resolver_prefix_paths[-1]: - if self.check_resolver_prefix(depth, path, kind, - current_node, current_index): - if len(path) > depth: - prefix_paths.append((path, kind)) - else: - exact_paths[kind] = self.yaml_path_resolvers[path, kind] - else: - for path, kind in self.yaml_path_resolvers: - if not path: - exact_paths[kind] = self.yaml_path_resolvers[path, kind] - else: - prefix_paths.append((path, kind)) - self.resolver_exact_paths.append(exact_paths) - self.resolver_prefix_paths.append(prefix_paths) - - def ascend_resolver(self): - if not self.yaml_path_resolvers: - return - self.resolver_exact_paths.pop() - self.resolver_prefix_paths.pop() - - def check_resolver_prefix(self, depth, path, kind, - current_node, current_index): - node_check, index_check = path[depth-1] - if isinstance(node_check, basestring): - if current_node.tag != node_check: - return - elif node_check is not None: - if not isinstance(current_node, node_check): - return - if index_check is True and current_index is not None: - return - if (index_check is False or index_check is None) \ - and current_index is None: - return - if isinstance(index_check, basestring): - if not (isinstance(current_index, ScalarNode) - and index_check == current_index.value): - return - elif isinstance(index_check, int) and not isinstance(index_check, bool): - if index_check != current_index: - return - return True - - def resolve(self, kind, value, implicit): - if kind is ScalarNode and implicit[0]: - if value == u'': - resolvers = self.yaml_implicit_resolvers.get(u'', []) - else: - resolvers = self.yaml_implicit_resolvers.get(value[0], []) - resolvers += self.yaml_implicit_resolvers.get(None, []) - for tag, regexp in resolvers: - if regexp.match(value): - return tag - implicit = implicit[1] - if self.yaml_path_resolvers: - exact_paths = self.resolver_exact_paths[-1] - if kind in exact_paths: - return exact_paths[kind] - if None in exact_paths: - return exact_paths[None] - if kind is ScalarNode: - return self.DEFAULT_SCALAR_TAG - elif kind is SequenceNode: - return self.DEFAULT_SEQUENCE_TAG - elif kind is MappingNode: - return self.DEFAULT_MAPPING_TAG - -class Resolver(BaseResolver): - pass - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:bool', - re.compile(ur'''^(?:yes|Yes|YES|no|No|NO - |true|True|TRUE|false|False|FALSE - |on|On|ON|off|Off|OFF)$''', re.X), - list(u'yYnNtTfFoO')) - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:float', - re.compile(ur'''^(?:[-+]?(?:[0-9][0-9_]*)\.[0-9_]*(?:[eE][-+][0-9]+)? - |\.[0-9_]+(?:[eE][-+][0-9]+)? - |[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\.[0-9_]* - |[-+]?\.(?:inf|Inf|INF) - |\.(?:nan|NaN|NAN))$''', re.X), - list(u'-+0123456789.')) - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:int', - re.compile(ur'''^(?:[-+]?0b[0-1_]+ - |[-+]?0[0-7_]+ - |[-+]?(?:0|[1-9][0-9_]*) - |[-+]?0x[0-9a-fA-F_]+ - |[-+]?[1-9][0-9_]*(?::[0-5]?[0-9])+)$''', re.X), - list(u'-+0123456789')) - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:merge', - re.compile(ur'^(?:<<)$'), - [u'<']) - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:null', - re.compile(ur'''^(?: ~ - |null|Null|NULL - | )$''', re.X), - [u'~', u'n', u'N', u'']) - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:timestamp', - re.compile(ur'''^(?:[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] - |[0-9][0-9][0-9][0-9] -[0-9][0-9]? -[0-9][0-9]? - (?:[Tt]|[ \t]+)[0-9][0-9]? - :[0-9][0-9] :[0-9][0-9] (?:\.[0-9]*)? - (?:[ \t]*(?:Z|[-+][0-9][0-9]?(?::[0-9][0-9])?))?)$''', re.X), - list(u'0123456789')) - -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:value', - re.compile(ur'^(?:=)$'), - [u'=']) - -# The following resolver is only for documentation purposes. It cannot work -# because plain scalars cannot start with '!', '&', or '*'. -Resolver.add_implicit_resolver( - u'tag:yaml.org,2002:yaml', - re.compile(ur'^(?:!|&|\*)$'), - list(u'!&*')) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/scanner.py b/collectors/python.d.plugin/python_modules/pyyaml2/scanner.py deleted file mode 100644 index 971da6127..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/scanner.py +++ /dev/null @@ -1,1458 +0,0 @@ -# SPDX-License-Identifier: MIT - -# Scanner produces tokens of the following types: -# STREAM-START -# STREAM-END -# DIRECTIVE(name, value) -# DOCUMENT-START -# DOCUMENT-END -# BLOCK-SEQUENCE-START -# BLOCK-MAPPING-START -# BLOCK-END -# FLOW-SEQUENCE-START -# FLOW-MAPPING-START -# FLOW-SEQUENCE-END -# FLOW-MAPPING-END -# BLOCK-ENTRY -# FLOW-ENTRY -# KEY -# VALUE -# ALIAS(value) -# ANCHOR(value) -# TAG(value) -# SCALAR(value, plain, style) -# -# Read comments in the Scanner code for more details. -# - -__all__ = ['Scanner', 'ScannerError'] - -from error import MarkedYAMLError -from tokens import * - -class ScannerError(MarkedYAMLError): - pass - -class SimpleKey(object): - # See below simple keys treatment. - - def __init__(self, token_number, required, index, line, column, mark): - self.token_number = token_number - self.required = required - self.index = index - self.line = line - self.column = column - self.mark = mark - -class Scanner(object): - - def __init__(self): - """Initialize the scanner.""" - # It is assumed that Scanner and Reader will have a common descendant. - # Reader do the dirty work of checking for BOM and converting the - # input data to Unicode. It also adds NUL to the end. - # - # Reader supports the following methods - # self.peek(i=0) # peek the next i-th character - # self.prefix(l=1) # peek the next l characters - # self.forward(l=1) # read the next l characters and move the pointer. - - # Had we reached the end of the stream? - self.done = False - - # The number of unclosed '{' and '['. `flow_level == 0` means block - # context. - self.flow_level = 0 - - # List of processed tokens that are not yet emitted. - self.tokens = [] - - # Add the STREAM-START token. - self.fetch_stream_start() - - # Number of tokens that were emitted through the `get_token` method. - self.tokens_taken = 0 - - # The current indentation level. - self.indent = -1 - - # Past indentation levels. - self.indents = [] - - # Variables related to simple keys treatment. - - # A simple key is a key that is not denoted by the '?' indicator. - # Example of simple keys: - # --- - # block simple key: value - # ? not a simple key: - # : { flow simple key: value } - # We emit the KEY token before all keys, so when we find a potential - # simple key, we try to locate the corresponding ':' indicator. - # Simple keys should be limited to a single line and 1024 characters. - - # Can a simple key start at the current position? A simple key may - # start: - # - at the beginning of the line, not counting indentation spaces - # (in block context), - # - after '{', '[', ',' (in the flow context), - # - after '?', ':', '-' (in the block context). - # In the block context, this flag also signifies if a block collection - # may start at the current position. - self.allow_simple_key = True - - # Keep track of possible simple keys. This is a dictionary. The key - # is `flow_level`; there can be no more that one possible simple key - # for each level. The value is a SimpleKey record: - # (token_number, required, index, line, column, mark) - # A simple key may start with ALIAS, ANCHOR, TAG, SCALAR(flow), - # '[', or '{' tokens. - self.possible_simple_keys = {} - - # Public methods. - - def check_token(self, *choices): - # Check if the next token is one of the given types. - while self.need_more_tokens(): - self.fetch_more_tokens() - if self.tokens: - if not choices: - return True - for choice in choices: - if isinstance(self.tokens[0], choice): - return True - return False - - def peek_token(self): - # Return the next token, but do not delete if from the queue. - while self.need_more_tokens(): - self.fetch_more_tokens() - if self.tokens: - return self.tokens[0] - - def get_token(self): - # Return the next token. - while self.need_more_tokens(): - self.fetch_more_tokens() - if self.tokens: - self.tokens_taken += 1 - return self.tokens.pop(0) - - # Private methods. - - def need_more_tokens(self): - if self.done: - return False - if not self.tokens: - return True - # The current token may be a potential simple key, so we - # need to look further. - self.stale_possible_simple_keys() - if self.next_possible_simple_key() == self.tokens_taken: - return True - - def fetch_more_tokens(self): - - # Eat whitespaces and comments until we reach the next token. - self.scan_to_next_token() - - # Remove obsolete possible simple keys. - self.stale_possible_simple_keys() - - # Compare the current indentation and column. It may add some tokens - # and decrease the current indentation level. - self.unwind_indent(self.column) - - # Peek the next character. - ch = self.peek() - - # Is it the end of stream? - if ch == u'\0': - return self.fetch_stream_end() - - # Is it a directive? - if ch == u'%' and self.check_directive(): - return self.fetch_directive() - - # Is it the document start? - if ch == u'-' and self.check_document_start(): - return self.fetch_document_start() - - # Is it the document end? - if ch == u'.' and self.check_document_end(): - return self.fetch_document_end() - - # TODO: support for BOM within a stream. - #if ch == u'\uFEFF': - # return self.fetch_bom() <-- issue BOMToken - - # Note: the order of the following checks is NOT significant. - - # Is it the flow sequence start indicator? - if ch == u'[': - return self.fetch_flow_sequence_start() - - # Is it the flow mapping start indicator? - if ch == u'{': - return self.fetch_flow_mapping_start() - - # Is it the flow sequence end indicator? - if ch == u']': - return self.fetch_flow_sequence_end() - - # Is it the flow mapping end indicator? - if ch == u'}': - return self.fetch_flow_mapping_end() - - # Is it the flow entry indicator? - if ch == u',': - return self.fetch_flow_entry() - - # Is it the block entry indicator? - if ch == u'-' and self.check_block_entry(): - return self.fetch_block_entry() - - # Is it the key indicator? - if ch == u'?' and self.check_key(): - return self.fetch_key() - - # Is it the value indicator? - if ch == u':' and self.check_value(): - return self.fetch_value() - - # Is it an alias? - if ch == u'*': - return self.fetch_alias() - - # Is it an anchor? - if ch == u'&': - return self.fetch_anchor() - - # Is it a tag? - if ch == u'!': - return self.fetch_tag() - - # Is it a literal scalar? - if ch == u'|' and not self.flow_level: - return self.fetch_literal() - - # Is it a folded scalar? - if ch == u'>' and not self.flow_level: - return self.fetch_folded() - - # Is it a single quoted scalar? - if ch == u'\'': - return self.fetch_single() - - # Is it a double quoted scalar? - if ch == u'\"': - return self.fetch_double() - - # It must be a plain scalar then. - if self.check_plain(): - return self.fetch_plain() - - # No? It's an error. Let's produce a nice error message. - raise ScannerError("while scanning for the next token", None, - "found character %r that cannot start any token" - % ch.encode('utf-8'), self.get_mark()) - - # Simple keys treatment. - - def next_possible_simple_key(self): - # Return the number of the nearest possible simple key. Actually we - # don't need to loop through the whole dictionary. We may replace it - # with the following code: - # if not self.possible_simple_keys: - # return None - # return self.possible_simple_keys[ - # min(self.possible_simple_keys.keys())].token_number - min_token_number = None - for level in self.possible_simple_keys: - key = self.possible_simple_keys[level] - if min_token_number is None or key.token_number < min_token_number: - min_token_number = key.token_number - return min_token_number - - def stale_possible_simple_keys(self): - # Remove entries that are no longer possible simple keys. According to - # the YAML specification, simple keys - # - should be limited to a single line, - # - should be no longer than 1024 characters. - # Disabling this procedure will allow simple keys of any length and - # height (may cause problems if indentation is broken though). - for level in self.possible_simple_keys.keys(): - key = self.possible_simple_keys[level] - if key.line != self.line \ - or self.index-key.index > 1024: - if key.required: - raise ScannerError("while scanning a simple key", key.mark, - "could not found expected ':'", self.get_mark()) - del self.possible_simple_keys[level] - - def save_possible_simple_key(self): - # The next token may start a simple key. We check if it's possible - # and save its position. This function is called for - # ALIAS, ANCHOR, TAG, SCALAR(flow), '[', and '{'. - - # Check if a simple key is required at the current position. - required = not self.flow_level and self.indent == self.column - - # A simple key is required only if it is the first token in the current - # line. Therefore it is always allowed. - assert self.allow_simple_key or not required - - # The next token might be a simple key. Let's save it's number and - # position. - if self.allow_simple_key: - self.remove_possible_simple_key() - token_number = self.tokens_taken+len(self.tokens) - key = SimpleKey(token_number, required, - self.index, self.line, self.column, self.get_mark()) - self.possible_simple_keys[self.flow_level] = key - - def remove_possible_simple_key(self): - # Remove the saved possible key position at the current flow level. - if self.flow_level in self.possible_simple_keys: - key = self.possible_simple_keys[self.flow_level] - - if key.required: - raise ScannerError("while scanning a simple key", key.mark, - "could not found expected ':'", self.get_mark()) - - del self.possible_simple_keys[self.flow_level] - - # Indentation functions. - - def unwind_indent(self, column): - - ## In flow context, tokens should respect indentation. - ## Actually the condition should be `self.indent >= column` according to - ## the spec. But this condition will prohibit intuitively correct - ## constructions such as - ## key : { - ## } - #if self.flow_level and self.indent > column: - # raise ScannerError(None, None, - # "invalid intendation or unclosed '[' or '{'", - # self.get_mark()) - - # In the flow context, indentation is ignored. We make the scanner less - # restrictive then specification requires. - if self.flow_level: - return - - # In block context, we may need to issue the BLOCK-END tokens. - while self.indent > column: - mark = self.get_mark() - self.indent = self.indents.pop() - self.tokens.append(BlockEndToken(mark, mark)) - - def add_indent(self, column): - # Check if we need to increase indentation. - if self.indent < column: - self.indents.append(self.indent) - self.indent = column - return True - return False - - # Fetchers. - - def fetch_stream_start(self): - # We always add STREAM-START as the first token and STREAM-END as the - # last token. - - # Read the token. - mark = self.get_mark() - - # Add STREAM-START. - self.tokens.append(StreamStartToken(mark, mark, - encoding=self.encoding)) - - - def fetch_stream_end(self): - - # Set the current intendation to -1. - self.unwind_indent(-1) - - # Reset simple keys. - self.remove_possible_simple_key() - self.allow_simple_key = False - self.possible_simple_keys = {} - - # Read the token. - mark = self.get_mark() - - # Add STREAM-END. - self.tokens.append(StreamEndToken(mark, mark)) - - # The steam is finished. - self.done = True - - def fetch_directive(self): - - # Set the current intendation to -1. - self.unwind_indent(-1) - - # Reset simple keys. - self.remove_possible_simple_key() - self.allow_simple_key = False - - # Scan and add DIRECTIVE. - self.tokens.append(self.scan_directive()) - - def fetch_document_start(self): - self.fetch_document_indicator(DocumentStartToken) - - def fetch_document_end(self): - self.fetch_document_indicator(DocumentEndToken) - - def fetch_document_indicator(self, TokenClass): - - # Set the current intendation to -1. - self.unwind_indent(-1) - - # Reset simple keys. Note that there could not be a block collection - # after '---'. - self.remove_possible_simple_key() - self.allow_simple_key = False - - # Add DOCUMENT-START or DOCUMENT-END. - start_mark = self.get_mark() - self.forward(3) - end_mark = self.get_mark() - self.tokens.append(TokenClass(start_mark, end_mark)) - - def fetch_flow_sequence_start(self): - self.fetch_flow_collection_start(FlowSequenceStartToken) - - def fetch_flow_mapping_start(self): - self.fetch_flow_collection_start(FlowMappingStartToken) - - def fetch_flow_collection_start(self, TokenClass): - - # '[' and '{' may start a simple key. - self.save_possible_simple_key() - - # Increase the flow level. - self.flow_level += 1 - - # Simple keys are allowed after '[' and '{'. - self.allow_simple_key = True - - # Add FLOW-SEQUENCE-START or FLOW-MAPPING-START. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(TokenClass(start_mark, end_mark)) - - def fetch_flow_sequence_end(self): - self.fetch_flow_collection_end(FlowSequenceEndToken) - - def fetch_flow_mapping_end(self): - self.fetch_flow_collection_end(FlowMappingEndToken) - - def fetch_flow_collection_end(self, TokenClass): - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Decrease the flow level. - self.flow_level -= 1 - - # No simple keys after ']' or '}'. - self.allow_simple_key = False - - # Add FLOW-SEQUENCE-END or FLOW-MAPPING-END. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(TokenClass(start_mark, end_mark)) - - def fetch_flow_entry(self): - - # Simple keys are allowed after ','. - self.allow_simple_key = True - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add FLOW-ENTRY. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(FlowEntryToken(start_mark, end_mark)) - - def fetch_block_entry(self): - - # Block context needs additional checks. - if not self.flow_level: - - # Are we allowed to start a new entry? - if not self.allow_simple_key: - raise ScannerError(None, None, - "sequence entries are not allowed here", - self.get_mark()) - - # We may need to add BLOCK-SEQUENCE-START. - if self.add_indent(self.column): - mark = self.get_mark() - self.tokens.append(BlockSequenceStartToken(mark, mark)) - - # It's an error for the block entry to occur in the flow context, - # but we let the parser detect this. - else: - pass - - # Simple keys are allowed after '-'. - self.allow_simple_key = True - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add BLOCK-ENTRY. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(BlockEntryToken(start_mark, end_mark)) - - def fetch_key(self): - - # Block context needs additional checks. - if not self.flow_level: - - # Are we allowed to start a key (not nessesary a simple)? - if not self.allow_simple_key: - raise ScannerError(None, None, - "mapping keys are not allowed here", - self.get_mark()) - - # We may need to add BLOCK-MAPPING-START. - if self.add_indent(self.column): - mark = self.get_mark() - self.tokens.append(BlockMappingStartToken(mark, mark)) - - # Simple keys are allowed after '?' in the block context. - self.allow_simple_key = not self.flow_level - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add KEY. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(KeyToken(start_mark, end_mark)) - - def fetch_value(self): - - # Do we determine a simple key? - if self.flow_level in self.possible_simple_keys: - - # Add KEY. - key = self.possible_simple_keys[self.flow_level] - del self.possible_simple_keys[self.flow_level] - self.tokens.insert(key.token_number-self.tokens_taken, - KeyToken(key.mark, key.mark)) - - # If this key starts a new block mapping, we need to add - # BLOCK-MAPPING-START. - if not self.flow_level: - if self.add_indent(key.column): - self.tokens.insert(key.token_number-self.tokens_taken, - BlockMappingStartToken(key.mark, key.mark)) - - # There cannot be two simple keys one after another. - self.allow_simple_key = False - - # It must be a part of a complex key. - else: - - # Block context needs additional checks. - # (Do we really need them? They will be catched by the parser - # anyway.) - if not self.flow_level: - - # We are allowed to start a complex value if and only if - # we can start a simple key. - if not self.allow_simple_key: - raise ScannerError(None, None, - "mapping values are not allowed here", - self.get_mark()) - - # If this value starts a new block mapping, we need to add - # BLOCK-MAPPING-START. It will be detected as an error later by - # the parser. - if not self.flow_level: - if self.add_indent(self.column): - mark = self.get_mark() - self.tokens.append(BlockMappingStartToken(mark, mark)) - - # Simple keys are allowed after ':' in the block context. - self.allow_simple_key = not self.flow_level - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add VALUE. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(ValueToken(start_mark, end_mark)) - - def fetch_alias(self): - - # ALIAS could be a simple key. - self.save_possible_simple_key() - - # No simple keys after ALIAS. - self.allow_simple_key = False - - # Scan and add ALIAS. - self.tokens.append(self.scan_anchor(AliasToken)) - - def fetch_anchor(self): - - # ANCHOR could start a simple key. - self.save_possible_simple_key() - - # No simple keys after ANCHOR. - self.allow_simple_key = False - - # Scan and add ANCHOR. - self.tokens.append(self.scan_anchor(AnchorToken)) - - def fetch_tag(self): - - # TAG could start a simple key. - self.save_possible_simple_key() - - # No simple keys after TAG. - self.allow_simple_key = False - - # Scan and add TAG. - self.tokens.append(self.scan_tag()) - - def fetch_literal(self): - self.fetch_block_scalar(style='|') - - def fetch_folded(self): - self.fetch_block_scalar(style='>') - - def fetch_block_scalar(self, style): - - # A simple key may follow a block scalar. - self.allow_simple_key = True - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Scan and add SCALAR. - self.tokens.append(self.scan_block_scalar(style)) - - def fetch_single(self): - self.fetch_flow_scalar(style='\'') - - def fetch_double(self): - self.fetch_flow_scalar(style='"') - - def fetch_flow_scalar(self, style): - - # A flow scalar could be a simple key. - self.save_possible_simple_key() - - # No simple keys after flow scalars. - self.allow_simple_key = False - - # Scan and add SCALAR. - self.tokens.append(self.scan_flow_scalar(style)) - - def fetch_plain(self): - - # A plain scalar could be a simple key. - self.save_possible_simple_key() - - # No simple keys after plain scalars. But note that `scan_plain` will - # change this flag if the scan is finished at the beginning of the - # line. - self.allow_simple_key = False - - # Scan and add SCALAR. May change `allow_simple_key`. - self.tokens.append(self.scan_plain()) - - # Checkers. - - def check_directive(self): - - # DIRECTIVE: ^ '%' ... - # The '%' indicator is already checked. - if self.column == 0: - return True - - def check_document_start(self): - - # DOCUMENT-START: ^ '---' (' '|'\n') - if self.column == 0: - if self.prefix(3) == u'---' \ - and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029': - return True - - def check_document_end(self): - - # DOCUMENT-END: ^ '...' (' '|'\n') - if self.column == 0: - if self.prefix(3) == u'...' \ - and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029': - return True - - def check_block_entry(self): - - # BLOCK-ENTRY: '-' (' '|'\n') - return self.peek(1) in u'\0 \t\r\n\x85\u2028\u2029' - - def check_key(self): - - # KEY(flow context): '?' - if self.flow_level: - return True - - # KEY(block context): '?' (' '|'\n') - else: - return self.peek(1) in u'\0 \t\r\n\x85\u2028\u2029' - - def check_value(self): - - # VALUE(flow context): ':' - if self.flow_level: - return True - - # VALUE(block context): ':' (' '|'\n') - else: - return self.peek(1) in u'\0 \t\r\n\x85\u2028\u2029' - - def check_plain(self): - - # A plain scalar may start with any non-space character except: - # '-', '?', ':', ',', '[', ']', '{', '}', - # '#', '&', '*', '!', '|', '>', '\'', '\"', - # '%', '@', '`'. - # - # It may also start with - # '-', '?', ':' - # if it is followed by a non-space character. - # - # Note that we limit the last rule to the block context (except the - # '-' character) because we want the flow context to be space - # independent. - ch = self.peek() - return ch not in u'\0 \t\r\n\x85\u2028\u2029-?:,[]{}#&*!|>\'\"%@`' \ - or (self.peek(1) not in u'\0 \t\r\n\x85\u2028\u2029' - and (ch == u'-' or (not self.flow_level and ch in u'?:'))) - - # Scanners. - - def scan_to_next_token(self): - # We ignore spaces, line breaks and comments. - # If we find a line break in the block context, we set the flag - # `allow_simple_key` on. - # The byte order mark is stripped if it's the first character in the - # stream. We do not yet support BOM inside the stream as the - # specification requires. Any such mark will be considered as a part - # of the document. - # - # TODO: We need to make tab handling rules more sane. A good rule is - # Tabs cannot precede tokens - # BLOCK-SEQUENCE-START, BLOCK-MAPPING-START, BLOCK-END, - # KEY(block), VALUE(block), BLOCK-ENTRY - # So the checking code is - # if <TAB>: - # self.allow_simple_keys = False - # We also need to add the check for `allow_simple_keys == True` to - # `unwind_indent` before issuing BLOCK-END. - # Scanners for block, flow, and plain scalars need to be modified. - - if self.index == 0 and self.peek() == u'\uFEFF': - self.forward() - found = False - while not found: - while self.peek() == u' ': - self.forward() - if self.peek() == u'#': - while self.peek() not in u'\0\r\n\x85\u2028\u2029': - self.forward() - if self.scan_line_break(): - if not self.flow_level: - self.allow_simple_key = True - else: - found = True - - def scan_directive(self): - # See the specification for details. - start_mark = self.get_mark() - self.forward() - name = self.scan_directive_name(start_mark) - value = None - if name == u'YAML': - value = self.scan_yaml_directive_value(start_mark) - end_mark = self.get_mark() - elif name == u'TAG': - value = self.scan_tag_directive_value(start_mark) - end_mark = self.get_mark() - else: - end_mark = self.get_mark() - while self.peek() not in u'\0\r\n\x85\u2028\u2029': - self.forward() - self.scan_directive_ignored_line(start_mark) - return DirectiveToken(name, value, start_mark, end_mark) - - def scan_directive_name(self, start_mark): - # See the specification for details. - length = 0 - ch = self.peek(length) - while u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-_': - length += 1 - ch = self.peek(length) - if not length: - raise ScannerError("while scanning a directive", start_mark, - "expected alphabetic or numeric character, but found %r" - % ch.encode('utf-8'), self.get_mark()) - value = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch not in u'\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected alphabetic or numeric character, but found %r" - % ch.encode('utf-8'), self.get_mark()) - return value - - def scan_yaml_directive_value(self, start_mark): - # See the specification for details. - while self.peek() == u' ': - self.forward() - major = self.scan_yaml_directive_number(start_mark) - if self.peek() != '.': - raise ScannerError("while scanning a directive", start_mark, - "expected a digit or '.', but found %r" - % self.peek().encode('utf-8'), - self.get_mark()) - self.forward() - minor = self.scan_yaml_directive_number(start_mark) - if self.peek() not in u'\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected a digit or ' ', but found %r" - % self.peek().encode('utf-8'), - self.get_mark()) - return (major, minor) - - def scan_yaml_directive_number(self, start_mark): - # See the specification for details. - ch = self.peek() - if not (u'0' <= ch <= u'9'): - raise ScannerError("while scanning a directive", start_mark, - "expected a digit, but found %r" % ch.encode('utf-8'), - self.get_mark()) - length = 0 - while u'0' <= self.peek(length) <= u'9': - length += 1 - value = int(self.prefix(length)) - self.forward(length) - return value - - def scan_tag_directive_value(self, start_mark): - # See the specification for details. - while self.peek() == u' ': - self.forward() - handle = self.scan_tag_directive_handle(start_mark) - while self.peek() == u' ': - self.forward() - prefix = self.scan_tag_directive_prefix(start_mark) - return (handle, prefix) - - def scan_tag_directive_handle(self, start_mark): - # See the specification for details. - value = self.scan_tag_handle('directive', start_mark) - ch = self.peek() - if ch != u' ': - raise ScannerError("while scanning a directive", start_mark, - "expected ' ', but found %r" % ch.encode('utf-8'), - self.get_mark()) - return value - - def scan_tag_directive_prefix(self, start_mark): - # See the specification for details. - value = self.scan_tag_uri('directive', start_mark) - ch = self.peek() - if ch not in u'\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected ' ', but found %r" % ch.encode('utf-8'), - self.get_mark()) - return value - - def scan_directive_ignored_line(self, start_mark): - # See the specification for details. - while self.peek() == u' ': - self.forward() - if self.peek() == u'#': - while self.peek() not in u'\0\r\n\x85\u2028\u2029': - self.forward() - ch = self.peek() - if ch not in u'\0\r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected a comment or a line break, but found %r" - % ch.encode('utf-8'), self.get_mark()) - self.scan_line_break() - - def scan_anchor(self, TokenClass): - # The specification does not restrict characters for anchors and - # aliases. This may lead to problems, for instance, the document: - # [ *alias, value ] - # can be interpteted in two ways, as - # [ "value" ] - # and - # [ *alias , "value" ] - # Therefore we restrict aliases to numbers and ASCII letters. - start_mark = self.get_mark() - indicator = self.peek() - if indicator == u'*': - name = 'alias' - else: - name = 'anchor' - self.forward() - length = 0 - ch = self.peek(length) - while u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-_': - length += 1 - ch = self.peek(length) - if not length: - raise ScannerError("while scanning an %s" % name, start_mark, - "expected alphabetic or numeric character, but found %r" - % ch.encode('utf-8'), self.get_mark()) - value = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch not in u'\0 \t\r\n\x85\u2028\u2029?:,]}%@`': - raise ScannerError("while scanning an %s" % name, start_mark, - "expected alphabetic or numeric character, but found %r" - % ch.encode('utf-8'), self.get_mark()) - end_mark = self.get_mark() - return TokenClass(value, start_mark, end_mark) - - def scan_tag(self): - # See the specification for details. - start_mark = self.get_mark() - ch = self.peek(1) - if ch == u'<': - handle = None - self.forward(2) - suffix = self.scan_tag_uri('tag', start_mark) - if self.peek() != u'>': - raise ScannerError("while parsing a tag", start_mark, - "expected '>', but found %r" % self.peek().encode('utf-8'), - self.get_mark()) - self.forward() - elif ch in u'\0 \t\r\n\x85\u2028\u2029': - handle = None - suffix = u'!' - self.forward() - else: - length = 1 - use_handle = False - while ch not in u'\0 \r\n\x85\u2028\u2029': - if ch == u'!': - use_handle = True - break - length += 1 - ch = self.peek(length) - handle = u'!' - if use_handle: - handle = self.scan_tag_handle('tag', start_mark) - else: - handle = u'!' - self.forward() - suffix = self.scan_tag_uri('tag', start_mark) - ch = self.peek() - if ch not in u'\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a tag", start_mark, - "expected ' ', but found %r" % ch.encode('utf-8'), - self.get_mark()) - value = (handle, suffix) - end_mark = self.get_mark() - return TagToken(value, start_mark, end_mark) - - def scan_block_scalar(self, style): - # See the specification for details. - - if style == '>': - folded = True - else: - folded = False - - chunks = [] - start_mark = self.get_mark() - - # Scan the header. - self.forward() - chomping, increment = self.scan_block_scalar_indicators(start_mark) - self.scan_block_scalar_ignored_line(start_mark) - - # Determine the indentation level and go to the first non-empty line. - min_indent = self.indent+1 - if min_indent < 1: - min_indent = 1 - if increment is None: - breaks, max_indent, end_mark = self.scan_block_scalar_indentation() - indent = max(min_indent, max_indent) - else: - indent = min_indent+increment-1 - breaks, end_mark = self.scan_block_scalar_breaks(indent) - line_break = u'' - - # Scan the inner part of the block scalar. - while self.column == indent and self.peek() != u'\0': - chunks.extend(breaks) - leading_non_space = self.peek() not in u' \t' - length = 0 - while self.peek(length) not in u'\0\r\n\x85\u2028\u2029': - length += 1 - chunks.append(self.prefix(length)) - self.forward(length) - line_break = self.scan_line_break() - breaks, end_mark = self.scan_block_scalar_breaks(indent) - if self.column == indent and self.peek() != u'\0': - - # Unfortunately, folding rules are ambiguous. - # - # This is the folding according to the specification: - - if folded and line_break == u'\n' \ - and leading_non_space and self.peek() not in u' \t': - if not breaks: - chunks.append(u' ') - else: - chunks.append(line_break) - - # This is Clark Evans's interpretation (also in the spec - # examples): - # - #if folded and line_break == u'\n': - # if not breaks: - # if self.peek() not in ' \t': - # chunks.append(u' ') - # else: - # chunks.append(line_break) - #else: - # chunks.append(line_break) - else: - break - - # Chomp the tail. - if chomping is not False: - chunks.append(line_break) - if chomping is True: - chunks.extend(breaks) - - # We are done. - return ScalarToken(u''.join(chunks), False, start_mark, end_mark, - style) - - def scan_block_scalar_indicators(self, start_mark): - # See the specification for details. - chomping = None - increment = None - ch = self.peek() - if ch in u'+-': - if ch == '+': - chomping = True - else: - chomping = False - self.forward() - ch = self.peek() - if ch in u'0123456789': - increment = int(ch) - if increment == 0: - raise ScannerError("while scanning a block scalar", start_mark, - "expected indentation indicator in the range 1-9, but found 0", - self.get_mark()) - self.forward() - elif ch in u'0123456789': - increment = int(ch) - if increment == 0: - raise ScannerError("while scanning a block scalar", start_mark, - "expected indentation indicator in the range 1-9, but found 0", - self.get_mark()) - self.forward() - ch = self.peek() - if ch in u'+-': - if ch == '+': - chomping = True - else: - chomping = False - self.forward() - ch = self.peek() - if ch not in u'\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a block scalar", start_mark, - "expected chomping or indentation indicators, but found %r" - % ch.encode('utf-8'), self.get_mark()) - return chomping, increment - - def scan_block_scalar_ignored_line(self, start_mark): - # See the specification for details. - while self.peek() == u' ': - self.forward() - if self.peek() == u'#': - while self.peek() not in u'\0\r\n\x85\u2028\u2029': - self.forward() - ch = self.peek() - if ch not in u'\0\r\n\x85\u2028\u2029': - raise ScannerError("while scanning a block scalar", start_mark, - "expected a comment or a line break, but found %r" - % ch.encode('utf-8'), self.get_mark()) - self.scan_line_break() - - def scan_block_scalar_indentation(self): - # See the specification for details. - chunks = [] - max_indent = 0 - end_mark = self.get_mark() - while self.peek() in u' \r\n\x85\u2028\u2029': - if self.peek() != u' ': - chunks.append(self.scan_line_break()) - end_mark = self.get_mark() - else: - self.forward() - if self.column > max_indent: - max_indent = self.column - return chunks, max_indent, end_mark - - def scan_block_scalar_breaks(self, indent): - # See the specification for details. - chunks = [] - end_mark = self.get_mark() - while self.column < indent and self.peek() == u' ': - self.forward() - while self.peek() in u'\r\n\x85\u2028\u2029': - chunks.append(self.scan_line_break()) - end_mark = self.get_mark() - while self.column < indent and self.peek() == u' ': - self.forward() - return chunks, end_mark - - def scan_flow_scalar(self, style): - # See the specification for details. - # Note that we loose indentation rules for quoted scalars. Quoted - # scalars don't need to adhere indentation because " and ' clearly - # mark the beginning and the end of them. Therefore we are less - # restrictive then the specification requires. We only need to check - # that document separators are not included in scalars. - if style == '"': - double = True - else: - double = False - chunks = [] - start_mark = self.get_mark() - quote = self.peek() - self.forward() - chunks.extend(self.scan_flow_scalar_non_spaces(double, start_mark)) - while self.peek() != quote: - chunks.extend(self.scan_flow_scalar_spaces(double, start_mark)) - chunks.extend(self.scan_flow_scalar_non_spaces(double, start_mark)) - self.forward() - end_mark = self.get_mark() - return ScalarToken(u''.join(chunks), False, start_mark, end_mark, - style) - - ESCAPE_REPLACEMENTS = { - u'0': u'\0', - u'a': u'\x07', - u'b': u'\x08', - u't': u'\x09', - u'\t': u'\x09', - u'n': u'\x0A', - u'v': u'\x0B', - u'f': u'\x0C', - u'r': u'\x0D', - u'e': u'\x1B', - u' ': u'\x20', - u'\"': u'\"', - u'\\': u'\\', - u'N': u'\x85', - u'_': u'\xA0', - u'L': u'\u2028', - u'P': u'\u2029', - } - - ESCAPE_CODES = { - u'x': 2, - u'u': 4, - u'U': 8, - } - - def scan_flow_scalar_non_spaces(self, double, start_mark): - # See the specification for details. - chunks = [] - while True: - length = 0 - while self.peek(length) not in u'\'\"\\\0 \t\r\n\x85\u2028\u2029': - length += 1 - if length: - chunks.append(self.prefix(length)) - self.forward(length) - ch = self.peek() - if not double and ch == u'\'' and self.peek(1) == u'\'': - chunks.append(u'\'') - self.forward(2) - elif (double and ch == u'\'') or (not double and ch in u'\"\\'): - chunks.append(ch) - self.forward() - elif double and ch == u'\\': - self.forward() - ch = self.peek() - if ch in self.ESCAPE_REPLACEMENTS: - chunks.append(self.ESCAPE_REPLACEMENTS[ch]) - self.forward() - elif ch in self.ESCAPE_CODES: - length = self.ESCAPE_CODES[ch] - self.forward() - for k in range(length): - if self.peek(k) not in u'0123456789ABCDEFabcdef': - raise ScannerError("while scanning a double-quoted scalar", start_mark, - "expected escape sequence of %d hexdecimal numbers, but found %r" % - (length, self.peek(k).encode('utf-8')), self.get_mark()) - code = int(self.prefix(length), 16) - chunks.append(unichr(code)) - self.forward(length) - elif ch in u'\r\n\x85\u2028\u2029': - self.scan_line_break() - chunks.extend(self.scan_flow_scalar_breaks(double, start_mark)) - else: - raise ScannerError("while scanning a double-quoted scalar", start_mark, - "found unknown escape character %r" % ch.encode('utf-8'), self.get_mark()) - else: - return chunks - - def scan_flow_scalar_spaces(self, double, start_mark): - # See the specification for details. - chunks = [] - length = 0 - while self.peek(length) in u' \t': - length += 1 - whitespaces = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch == u'\0': - raise ScannerError("while scanning a quoted scalar", start_mark, - "found unexpected end of stream", self.get_mark()) - elif ch in u'\r\n\x85\u2028\u2029': - line_break = self.scan_line_break() - breaks = self.scan_flow_scalar_breaks(double, start_mark) - if line_break != u'\n': - chunks.append(line_break) - elif not breaks: - chunks.append(u' ') - chunks.extend(breaks) - else: - chunks.append(whitespaces) - return chunks - - def scan_flow_scalar_breaks(self, double, start_mark): - # See the specification for details. - chunks = [] - while True: - # Instead of checking indentation, we check for document - # separators. - prefix = self.prefix(3) - if (prefix == u'---' or prefix == u'...') \ - and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029': - raise ScannerError("while scanning a quoted scalar", start_mark, - "found unexpected document separator", self.get_mark()) - while self.peek() in u' \t': - self.forward() - if self.peek() in u'\r\n\x85\u2028\u2029': - chunks.append(self.scan_line_break()) - else: - return chunks - - def scan_plain(self): - # See the specification for details. - # We add an additional restriction for the flow context: - # plain scalars in the flow context cannot contain ',', ':' and '?'. - # We also keep track of the `allow_simple_key` flag here. - # Indentation rules are loosed for the flow context. - chunks = [] - start_mark = self.get_mark() - end_mark = start_mark - indent = self.indent+1 - # We allow zero indentation for scalars, but then we need to check for - # document separators at the beginning of the line. - #if indent == 0: - # indent = 1 - spaces = [] - while True: - length = 0 - if self.peek() == u'#': - break - while True: - ch = self.peek(length) - if ch in u'\0 \t\r\n\x85\u2028\u2029' \ - or (not self.flow_level and ch == u':' and - self.peek(length+1) in u'\0 \t\r\n\x85\u2028\u2029') \ - or (self.flow_level and ch in u',:?[]{}'): - break - length += 1 - # It's not clear what we should do with ':' in the flow context. - if (self.flow_level and ch == u':' - and self.peek(length+1) not in u'\0 \t\r\n\x85\u2028\u2029,[]{}'): - self.forward(length) - raise ScannerError("while scanning a plain scalar", start_mark, - "found unexpected ':'", self.get_mark(), - "Please check http://pyyaml.org/wiki/YAMLColonInFlowContext for details.") - if length == 0: - break - self.allow_simple_key = False - chunks.extend(spaces) - chunks.append(self.prefix(length)) - self.forward(length) - end_mark = self.get_mark() - spaces = self.scan_plain_spaces(indent, start_mark) - if not spaces or self.peek() == u'#' \ - or (not self.flow_level and self.column < indent): - break - return ScalarToken(u''.join(chunks), True, start_mark, end_mark) - - def scan_plain_spaces(self, indent, start_mark): - # See the specification for details. - # The specification is really confusing about tabs in plain scalars. - # We just forbid them completely. Do not use tabs in YAML! - chunks = [] - length = 0 - while self.peek(length) in u' ': - length += 1 - whitespaces = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch in u'\r\n\x85\u2028\u2029': - line_break = self.scan_line_break() - self.allow_simple_key = True - prefix = self.prefix(3) - if (prefix == u'---' or prefix == u'...') \ - and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029': - return - breaks = [] - while self.peek() in u' \r\n\x85\u2028\u2029': - if self.peek() == ' ': - self.forward() - else: - breaks.append(self.scan_line_break()) - prefix = self.prefix(3) - if (prefix == u'---' or prefix == u'...') \ - and self.peek(3) in u'\0 \t\r\n\x85\u2028\u2029': - return - if line_break != u'\n': - chunks.append(line_break) - elif not breaks: - chunks.append(u' ') - chunks.extend(breaks) - elif whitespaces: - chunks.append(whitespaces) - return chunks - - def scan_tag_handle(self, name, start_mark): - # See the specification for details. - # For some strange reasons, the specification does not allow '_' in - # tag handles. I have allowed it anyway. - ch = self.peek() - if ch != u'!': - raise ScannerError("while scanning a %s" % name, start_mark, - "expected '!', but found %r" % ch.encode('utf-8'), - self.get_mark()) - length = 1 - ch = self.peek(length) - if ch != u' ': - while u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-_': - length += 1 - ch = self.peek(length) - if ch != u'!': - self.forward(length) - raise ScannerError("while scanning a %s" % name, start_mark, - "expected '!', but found %r" % ch.encode('utf-8'), - self.get_mark()) - length += 1 - value = self.prefix(length) - self.forward(length) - return value - - def scan_tag_uri(self, name, start_mark): - # See the specification for details. - # Note: we do not check if URI is well-formed. - chunks = [] - length = 0 - ch = self.peek(length) - while u'0' <= ch <= u'9' or u'A' <= ch <= u'Z' or u'a' <= ch <= u'z' \ - or ch in u'-;/?:@&=+$,_.!~*\'()[]%': - if ch == u'%': - chunks.append(self.prefix(length)) - self.forward(length) - length = 0 - chunks.append(self.scan_uri_escapes(name, start_mark)) - else: - length += 1 - ch = self.peek(length) - if length: - chunks.append(self.prefix(length)) - self.forward(length) - length = 0 - if not chunks: - raise ScannerError("while parsing a %s" % name, start_mark, - "expected URI, but found %r" % ch.encode('utf-8'), - self.get_mark()) - return u''.join(chunks) - - def scan_uri_escapes(self, name, start_mark): - # See the specification for details. - bytes = [] - mark = self.get_mark() - while self.peek() == u'%': - self.forward() - for k in range(2): - if self.peek(k) not in u'0123456789ABCDEFabcdef': - raise ScannerError("while scanning a %s" % name, start_mark, - "expected URI escape sequence of 2 hexdecimal numbers, but found %r" % - (self.peek(k).encode('utf-8')), self.get_mark()) - bytes.append(chr(int(self.prefix(2), 16))) - self.forward(2) - try: - value = unicode(''.join(bytes), 'utf-8') - except UnicodeDecodeError, exc: - raise ScannerError("while scanning a %s" % name, start_mark, str(exc), mark) - return value - - def scan_line_break(self): - # Transforms: - # '\r\n' : '\n' - # '\r' : '\n' - # '\n' : '\n' - # '\x85' : '\n' - # '\u2028' : '\u2028' - # '\u2029 : '\u2029' - # default : '' - ch = self.peek() - if ch in u'\r\n\x85': - if self.prefix(2) == u'\r\n': - self.forward(2) - else: - self.forward() - return u'\n' - elif ch in u'\u2028\u2029': - self.forward() - return ch - return u'' - -#try: -# import psyco -# psyco.bind(Scanner) -#except ImportError: -# pass - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/serializer.py b/collectors/python.d.plugin/python_modules/pyyaml2/serializer.py deleted file mode 100644 index 15fdbb0c0..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/serializer.py +++ /dev/null @@ -1,112 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['Serializer', 'SerializerError'] - -from error import YAMLError -from events import * -from nodes import * - -class SerializerError(YAMLError): - pass - -class Serializer(object): - - ANCHOR_TEMPLATE = u'id%03d' - - def __init__(self, encoding=None, - explicit_start=None, explicit_end=None, version=None, tags=None): - self.use_encoding = encoding - self.use_explicit_start = explicit_start - self.use_explicit_end = explicit_end - self.use_version = version - self.use_tags = tags - self.serialized_nodes = {} - self.anchors = {} - self.last_anchor_id = 0 - self.closed = None - - def open(self): - if self.closed is None: - self.emit(StreamStartEvent(encoding=self.use_encoding)) - self.closed = False - elif self.closed: - raise SerializerError("serializer is closed") - else: - raise SerializerError("serializer is already opened") - - def close(self): - if self.closed is None: - raise SerializerError("serializer is not opened") - elif not self.closed: - self.emit(StreamEndEvent()) - self.closed = True - - #def __del__(self): - # self.close() - - def serialize(self, node): - if self.closed is None: - raise SerializerError("serializer is not opened") - elif self.closed: - raise SerializerError("serializer is closed") - self.emit(DocumentStartEvent(explicit=self.use_explicit_start, - version=self.use_version, tags=self.use_tags)) - self.anchor_node(node) - self.serialize_node(node, None, None) - self.emit(DocumentEndEvent(explicit=self.use_explicit_end)) - self.serialized_nodes = {} - self.anchors = {} - self.last_anchor_id = 0 - - def anchor_node(self, node): - if node in self.anchors: - if self.anchors[node] is None: - self.anchors[node] = self.generate_anchor(node) - else: - self.anchors[node] = None - if isinstance(node, SequenceNode): - for item in node.value: - self.anchor_node(item) - elif isinstance(node, MappingNode): - for key, value in node.value: - self.anchor_node(key) - self.anchor_node(value) - - def generate_anchor(self, node): - self.last_anchor_id += 1 - return self.ANCHOR_TEMPLATE % self.last_anchor_id - - def serialize_node(self, node, parent, index): - alias = self.anchors[node] - if node in self.serialized_nodes: - self.emit(AliasEvent(alias)) - else: - self.serialized_nodes[node] = True - self.descend_resolver(parent, index) - if isinstance(node, ScalarNode): - detected_tag = self.resolve(ScalarNode, node.value, (True, False)) - default_tag = self.resolve(ScalarNode, node.value, (False, True)) - implicit = (node.tag == detected_tag), (node.tag == default_tag) - self.emit(ScalarEvent(alias, node.tag, implicit, node.value, - style=node.style)) - elif isinstance(node, SequenceNode): - implicit = (node.tag - == self.resolve(SequenceNode, node.value, True)) - self.emit(SequenceStartEvent(alias, node.tag, implicit, - flow_style=node.flow_style)) - index = 0 - for item in node.value: - self.serialize_node(item, node, index) - index += 1 - self.emit(SequenceEndEvent()) - elif isinstance(node, MappingNode): - implicit = (node.tag - == self.resolve(MappingNode, node.value, True)) - self.emit(MappingStartEvent(alias, node.tag, implicit, - flow_style=node.flow_style)) - for key, value in node.value: - self.serialize_node(key, node, None) - self.serialize_node(value, node, key) - self.emit(MappingEndEvent()) - self.ascend_resolver() - diff --git a/collectors/python.d.plugin/python_modules/pyyaml2/tokens.py b/collectors/python.d.plugin/python_modules/pyyaml2/tokens.py deleted file mode 100644 index c5c4fb116..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml2/tokens.py +++ /dev/null @@ -1,105 +0,0 @@ -# SPDX-License-Identifier: MIT - -class Token(object): - def __init__(self, start_mark, end_mark): - self.start_mark = start_mark - self.end_mark = end_mark - def __repr__(self): - attributes = [key for key in self.__dict__ - if not key.endswith('_mark')] - attributes.sort() - arguments = ', '.join(['%s=%r' % (key, getattr(self, key)) - for key in attributes]) - return '%s(%s)' % (self.__class__.__name__, arguments) - -#class BOMToken(Token): -# id = '<byte order mark>' - -class DirectiveToken(Token): - id = '<directive>' - def __init__(self, name, value, start_mark, end_mark): - self.name = name - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class DocumentStartToken(Token): - id = '<document start>' - -class DocumentEndToken(Token): - id = '<document end>' - -class StreamStartToken(Token): - id = '<stream start>' - def __init__(self, start_mark=None, end_mark=None, - encoding=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.encoding = encoding - -class StreamEndToken(Token): - id = '<stream end>' - -class BlockSequenceStartToken(Token): - id = '<block sequence start>' - -class BlockMappingStartToken(Token): - id = '<block mapping start>' - -class BlockEndToken(Token): - id = '<block end>' - -class FlowSequenceStartToken(Token): - id = '[' - -class FlowMappingStartToken(Token): - id = '{' - -class FlowSequenceEndToken(Token): - id = ']' - -class FlowMappingEndToken(Token): - id = '}' - -class KeyToken(Token): - id = '?' - -class ValueToken(Token): - id = ':' - -class BlockEntryToken(Token): - id = '-' - -class FlowEntryToken(Token): - id = ',' - -class AliasToken(Token): - id = '<alias>' - def __init__(self, value, start_mark, end_mark): - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class AnchorToken(Token): - id = '<anchor>' - def __init__(self, value, start_mark, end_mark): - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class TagToken(Token): - id = '<tag>' - def __init__(self, value, start_mark, end_mark): - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class ScalarToken(Token): - id = '<scalar>' - def __init__(self, value, plain, start_mark, end_mark, style=None): - self.value = value - self.plain = plain - self.start_mark = start_mark - self.end_mark = end_mark - self.style = style - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/__init__.py b/collectors/python.d.plugin/python_modules/pyyaml3/__init__.py deleted file mode 100644 index a884b33cf..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/__init__.py +++ /dev/null @@ -1,313 +0,0 @@ -# SPDX-License-Identifier: MIT - -from .error import * - -from .tokens import * -from .events import * -from .nodes import * - -from .loader import * -from .dumper import * - -__version__ = '3.11' -try: - from .cyaml import * - __with_libyaml__ = True -except ImportError: - __with_libyaml__ = False - -import io - -def scan(stream, Loader=Loader): - """ - Scan a YAML stream and produce scanning tokens. - """ - loader = Loader(stream) - try: - while loader.check_token(): - yield loader.get_token() - finally: - loader.dispose() - -def parse(stream, Loader=Loader): - """ - Parse a YAML stream and produce parsing events. - """ - loader = Loader(stream) - try: - while loader.check_event(): - yield loader.get_event() - finally: - loader.dispose() - -def compose(stream, Loader=Loader): - """ - Parse the first YAML document in a stream - and produce the corresponding representation tree. - """ - loader = Loader(stream) - try: - return loader.get_single_node() - finally: - loader.dispose() - -def compose_all(stream, Loader=Loader): - """ - Parse all YAML documents in a stream - and produce corresponding representation trees. - """ - loader = Loader(stream) - try: - while loader.check_node(): - yield loader.get_node() - finally: - loader.dispose() - -def load(stream, Loader=Loader): - """ - Parse the first YAML document in a stream - and produce the corresponding Python object. - """ - loader = Loader(stream) - try: - return loader.get_single_data() - finally: - loader.dispose() - -def load_all(stream, Loader=Loader): - """ - Parse all YAML documents in a stream - and produce corresponding Python objects. - """ - loader = Loader(stream) - try: - while loader.check_data(): - yield loader.get_data() - finally: - loader.dispose() - -def safe_load(stream): - """ - Parse the first YAML document in a stream - and produce the corresponding Python object. - Resolve only basic YAML tags. - """ - return load(stream, SafeLoader) - -def safe_load_all(stream): - """ - Parse all YAML documents in a stream - and produce corresponding Python objects. - Resolve only basic YAML tags. - """ - return load_all(stream, SafeLoader) - -def emit(events, stream=None, Dumper=Dumper, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None): - """ - Emit YAML parsing events into a stream. - If stream is None, return the produced string instead. - """ - getvalue = None - if stream is None: - stream = io.StringIO() - getvalue = stream.getvalue - dumper = Dumper(stream, canonical=canonical, indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - try: - for event in events: - dumper.emit(event) - finally: - dumper.dispose() - if getvalue: - return getvalue() - -def serialize_all(nodes, stream=None, Dumper=Dumper, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - """ - Serialize a sequence of representation trees into a YAML stream. - If stream is None, return the produced string instead. - """ - getvalue = None - if stream is None: - if encoding is None: - stream = io.StringIO() - else: - stream = io.BytesIO() - getvalue = stream.getvalue - dumper = Dumper(stream, canonical=canonical, indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break, - encoding=encoding, version=version, tags=tags, - explicit_start=explicit_start, explicit_end=explicit_end) - try: - dumper.open() - for node in nodes: - dumper.serialize(node) - dumper.close() - finally: - dumper.dispose() - if getvalue: - return getvalue() - -def serialize(node, stream=None, Dumper=Dumper, **kwds): - """ - Serialize a representation tree into a YAML stream. - If stream is None, return the produced string instead. - """ - return serialize_all([node], stream, Dumper=Dumper, **kwds) - -def dump_all(documents, stream=None, Dumper=Dumper, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - """ - Serialize a sequence of Python objects into a YAML stream. - If stream is None, return the produced string instead. - """ - getvalue = None - if stream is None: - if encoding is None: - stream = io.StringIO() - else: - stream = io.BytesIO() - getvalue = stream.getvalue - dumper = Dumper(stream, default_style=default_style, - default_flow_style=default_flow_style, - canonical=canonical, indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break, - encoding=encoding, version=version, tags=tags, - explicit_start=explicit_start, explicit_end=explicit_end) - try: - dumper.open() - for data in documents: - dumper.represent(data) - dumper.close() - finally: - dumper.dispose() - if getvalue: - return getvalue() - -def dump(data, stream=None, Dumper=Dumper, **kwds): - """ - Serialize a Python object into a YAML stream. - If stream is None, return the produced string instead. - """ - return dump_all([data], stream, Dumper=Dumper, **kwds) - -def safe_dump_all(documents, stream=None, **kwds): - """ - Serialize a sequence of Python objects into a YAML stream. - Produce only basic YAML tags. - If stream is None, return the produced string instead. - """ - return dump_all(documents, stream, Dumper=SafeDumper, **kwds) - -def safe_dump(data, stream=None, **kwds): - """ - Serialize a Python object into a YAML stream. - Produce only basic YAML tags. - If stream is None, return the produced string instead. - """ - return dump_all([data], stream, Dumper=SafeDumper, **kwds) - -def add_implicit_resolver(tag, regexp, first=None, - Loader=Loader, Dumper=Dumper): - """ - Add an implicit scalar detector. - If an implicit scalar value matches the given regexp, - the corresponding tag is assigned to the scalar. - first is a sequence of possible initial characters or None. - """ - Loader.add_implicit_resolver(tag, regexp, first) - Dumper.add_implicit_resolver(tag, regexp, first) - -def add_path_resolver(tag, path, kind=None, Loader=Loader, Dumper=Dumper): - """ - Add a path based resolver for the given tag. - A path is a list of keys that forms a path - to a node in the representation tree. - Keys can be string values, integers, or None. - """ - Loader.add_path_resolver(tag, path, kind) - Dumper.add_path_resolver(tag, path, kind) - -def add_constructor(tag, constructor, Loader=Loader): - """ - Add a constructor for the given tag. - Constructor is a function that accepts a Loader instance - and a node object and produces the corresponding Python object. - """ - Loader.add_constructor(tag, constructor) - -def add_multi_constructor(tag_prefix, multi_constructor, Loader=Loader): - """ - Add a multi-constructor for the given tag prefix. - Multi-constructor is called for a node if its tag starts with tag_prefix. - Multi-constructor accepts a Loader instance, a tag suffix, - and a node object and produces the corresponding Python object. - """ - Loader.add_multi_constructor(tag_prefix, multi_constructor) - -def add_representer(data_type, representer, Dumper=Dumper): - """ - Add a representer for the given type. - Representer is a function accepting a Dumper instance - and an instance of the given data type - and producing the corresponding representation node. - """ - Dumper.add_representer(data_type, representer) - -def add_multi_representer(data_type, multi_representer, Dumper=Dumper): - """ - Add a representer for the given type. - Multi-representer is a function accepting a Dumper instance - and an instance of the given data type or subtype - and producing the corresponding representation node. - """ - Dumper.add_multi_representer(data_type, multi_representer) - -class YAMLObjectMetaclass(type): - """ - The metaclass for YAMLObject. - """ - def __init__(cls, name, bases, kwds): - super(YAMLObjectMetaclass, cls).__init__(name, bases, kwds) - if 'yaml_tag' in kwds and kwds['yaml_tag'] is not None: - cls.yaml_loader.add_constructor(cls.yaml_tag, cls.from_yaml) - cls.yaml_dumper.add_representer(cls, cls.to_yaml) - -class YAMLObject(metaclass=YAMLObjectMetaclass): - """ - An object that can dump itself to a YAML stream - and load itself from a YAML stream. - """ - - __slots__ = () # no direct instantiation, so allow immutable subclasses - - yaml_loader = Loader - yaml_dumper = Dumper - - yaml_tag = None - yaml_flow_style = None - - @classmethod - def from_yaml(cls, loader, node): - """ - Convert a representation node to a Python object. - """ - return loader.construct_yaml_object(node, cls) - - @classmethod - def to_yaml(cls, dumper, data): - """ - Convert a Python object to a representation node. - """ - return dumper.represent_yaml_object(cls.yaml_tag, data, cls, - flow_style=cls.yaml_flow_style) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/composer.py b/collectors/python.d.plugin/python_modules/pyyaml3/composer.py deleted file mode 100644 index c418bba91..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/composer.py +++ /dev/null @@ -1,140 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['Composer', 'ComposerError'] - -from .error import MarkedYAMLError -from .events import * -from .nodes import * - -class ComposerError(MarkedYAMLError): - pass - -class Composer: - - def __init__(self): - self.anchors = {} - - def check_node(self): - # Drop the STREAM-START event. - if self.check_event(StreamStartEvent): - self.get_event() - - # If there are more documents available? - return not self.check_event(StreamEndEvent) - - def get_node(self): - # Get the root node of the next document. - if not self.check_event(StreamEndEvent): - return self.compose_document() - - def get_single_node(self): - # Drop the STREAM-START event. - self.get_event() - - # Compose a document if the stream is not empty. - document = None - if not self.check_event(StreamEndEvent): - document = self.compose_document() - - # Ensure that the stream contains no more documents. - if not self.check_event(StreamEndEvent): - event = self.get_event() - raise ComposerError("expected a single document in the stream", - document.start_mark, "but found another document", - event.start_mark) - - # Drop the STREAM-END event. - self.get_event() - - return document - - def compose_document(self): - # Drop the DOCUMENT-START event. - self.get_event() - - # Compose the root node. - node = self.compose_node(None, None) - - # Drop the DOCUMENT-END event. - self.get_event() - - self.anchors = {} - return node - - def compose_node(self, parent, index): - if self.check_event(AliasEvent): - event = self.get_event() - anchor = event.anchor - if anchor not in self.anchors: - raise ComposerError(None, None, "found undefined alias %r" - % anchor, event.start_mark) - return self.anchors[anchor] - event = self.peek_event() - anchor = event.anchor - if anchor is not None: - if anchor in self.anchors: - raise ComposerError("found duplicate anchor %r; first occurence" - % anchor, self.anchors[anchor].start_mark, - "second occurence", event.start_mark) - self.descend_resolver(parent, index) - if self.check_event(ScalarEvent): - node = self.compose_scalar_node(anchor) - elif self.check_event(SequenceStartEvent): - node = self.compose_sequence_node(anchor) - elif self.check_event(MappingStartEvent): - node = self.compose_mapping_node(anchor) - self.ascend_resolver() - return node - - def compose_scalar_node(self, anchor): - event = self.get_event() - tag = event.tag - if tag is None or tag == '!': - tag = self.resolve(ScalarNode, event.value, event.implicit) - node = ScalarNode(tag, event.value, - event.start_mark, event.end_mark, style=event.style) - if anchor is not None: - self.anchors[anchor] = node - return node - - def compose_sequence_node(self, anchor): - start_event = self.get_event() - tag = start_event.tag - if tag is None or tag == '!': - tag = self.resolve(SequenceNode, None, start_event.implicit) - node = SequenceNode(tag, [], - start_event.start_mark, None, - flow_style=start_event.flow_style) - if anchor is not None: - self.anchors[anchor] = node - index = 0 - while not self.check_event(SequenceEndEvent): - node.value.append(self.compose_node(node, index)) - index += 1 - end_event = self.get_event() - node.end_mark = end_event.end_mark - return node - - def compose_mapping_node(self, anchor): - start_event = self.get_event() - tag = start_event.tag - if tag is None or tag == '!': - tag = self.resolve(MappingNode, None, start_event.implicit) - node = MappingNode(tag, [], - start_event.start_mark, None, - flow_style=start_event.flow_style) - if anchor is not None: - self.anchors[anchor] = node - while not self.check_event(MappingEndEvent): - #key_event = self.peek_event() - item_key = self.compose_node(node, None) - #if item_key in node.value: - # raise ComposerError("while composing a mapping", start_event.start_mark, - # "found duplicate key", key_event.start_mark) - item_value = self.compose_node(node, item_key) - #node.value[item_key] = item_value - node.value.append((item_key, item_value)) - end_event = self.get_event() - node.end_mark = end_event.end_mark - return node - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/constructor.py b/collectors/python.d.plugin/python_modules/pyyaml3/constructor.py deleted file mode 100644 index ee09a7a7e..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/constructor.py +++ /dev/null @@ -1,687 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseConstructor', 'SafeConstructor', 'Constructor', - 'ConstructorError'] - -from .error import * -from .nodes import * - -import collections, datetime, base64, binascii, re, sys, types - -class ConstructorError(MarkedYAMLError): - pass - -class BaseConstructor: - - yaml_constructors = {} - yaml_multi_constructors = {} - - def __init__(self): - self.constructed_objects = {} - self.recursive_objects = {} - self.state_generators = [] - self.deep_construct = False - - def check_data(self): - # If there are more documents available? - return self.check_node() - - def get_data(self): - # Construct and return the next document. - if self.check_node(): - return self.construct_document(self.get_node()) - - def get_single_data(self): - # Ensure that the stream contains a single document and construct it. - node = self.get_single_node() - if node is not None: - return self.construct_document(node) - return None - - def construct_document(self, node): - data = self.construct_object(node) - while self.state_generators: - state_generators = self.state_generators - self.state_generators = [] - for generator in state_generators: - for dummy in generator: - pass - self.constructed_objects = {} - self.recursive_objects = {} - self.deep_construct = False - return data - - def construct_object(self, node, deep=False): - if node in self.constructed_objects: - return self.constructed_objects[node] - if deep: - old_deep = self.deep_construct - self.deep_construct = True - if node in self.recursive_objects: - raise ConstructorError(None, None, - "found unconstructable recursive node", node.start_mark) - self.recursive_objects[node] = None - constructor = None - tag_suffix = None - if node.tag in self.yaml_constructors: - constructor = self.yaml_constructors[node.tag] - else: - for tag_prefix in self.yaml_multi_constructors: - if node.tag.startswith(tag_prefix): - tag_suffix = node.tag[len(tag_prefix):] - constructor = self.yaml_multi_constructors[tag_prefix] - break - else: - if None in self.yaml_multi_constructors: - tag_suffix = node.tag - constructor = self.yaml_multi_constructors[None] - elif None in self.yaml_constructors: - constructor = self.yaml_constructors[None] - elif isinstance(node, ScalarNode): - constructor = self.__class__.construct_scalar - elif isinstance(node, SequenceNode): - constructor = self.__class__.construct_sequence - elif isinstance(node, MappingNode): - constructor = self.__class__.construct_mapping - if tag_suffix is None: - data = constructor(self, node) - else: - data = constructor(self, tag_suffix, node) - if isinstance(data, types.GeneratorType): - generator = data - data = next(generator) - if self.deep_construct: - for dummy in generator: - pass - else: - self.state_generators.append(generator) - self.constructed_objects[node] = data - del self.recursive_objects[node] - if deep: - self.deep_construct = old_deep - return data - - def construct_scalar(self, node): - if not isinstance(node, ScalarNode): - raise ConstructorError(None, None, - "expected a scalar node, but found %s" % node.id, - node.start_mark) - return node.value - - def construct_sequence(self, node, deep=False): - if not isinstance(node, SequenceNode): - raise ConstructorError(None, None, - "expected a sequence node, but found %s" % node.id, - node.start_mark) - return [self.construct_object(child, deep=deep) - for child in node.value] - - def construct_mapping(self, node, deep=False): - if not isinstance(node, MappingNode): - raise ConstructorError(None, None, - "expected a mapping node, but found %s" % node.id, - node.start_mark) - mapping = {} - for key_node, value_node in node.value: - key = self.construct_object(key_node, deep=deep) - if not isinstance(key, collections.Hashable): - raise ConstructorError("while constructing a mapping", node.start_mark, - "found unhashable key", key_node.start_mark) - value = self.construct_object(value_node, deep=deep) - mapping[key] = value - return mapping - - def construct_pairs(self, node, deep=False): - if not isinstance(node, MappingNode): - raise ConstructorError(None, None, - "expected a mapping node, but found %s" % node.id, - node.start_mark) - pairs = [] - for key_node, value_node in node.value: - key = self.construct_object(key_node, deep=deep) - value = self.construct_object(value_node, deep=deep) - pairs.append((key, value)) - return pairs - - @classmethod - def add_constructor(cls, tag, constructor): - if not 'yaml_constructors' in cls.__dict__: - cls.yaml_constructors = cls.yaml_constructors.copy() - cls.yaml_constructors[tag] = constructor - - @classmethod - def add_multi_constructor(cls, tag_prefix, multi_constructor): - if not 'yaml_multi_constructors' in cls.__dict__: - cls.yaml_multi_constructors = cls.yaml_multi_constructors.copy() - cls.yaml_multi_constructors[tag_prefix] = multi_constructor - -class SafeConstructor(BaseConstructor): - - def construct_scalar(self, node): - if isinstance(node, MappingNode): - for key_node, value_node in node.value: - if key_node.tag == 'tag:yaml.org,2002:value': - return self.construct_scalar(value_node) - return super().construct_scalar(node) - - def flatten_mapping(self, node): - merge = [] - index = 0 - while index < len(node.value): - key_node, value_node = node.value[index] - if key_node.tag == 'tag:yaml.org,2002:merge': - del node.value[index] - if isinstance(value_node, MappingNode): - self.flatten_mapping(value_node) - merge.extend(value_node.value) - elif isinstance(value_node, SequenceNode): - submerge = [] - for subnode in value_node.value: - if not isinstance(subnode, MappingNode): - raise ConstructorError("while constructing a mapping", - node.start_mark, - "expected a mapping for merging, but found %s" - % subnode.id, subnode.start_mark) - self.flatten_mapping(subnode) - submerge.append(subnode.value) - submerge.reverse() - for value in submerge: - merge.extend(value) - else: - raise ConstructorError("while constructing a mapping", node.start_mark, - "expected a mapping or list of mappings for merging, but found %s" - % value_node.id, value_node.start_mark) - elif key_node.tag == 'tag:yaml.org,2002:value': - key_node.tag = 'tag:yaml.org,2002:str' - index += 1 - else: - index += 1 - if merge: - node.value = merge + node.value - - def construct_mapping(self, node, deep=False): - if isinstance(node, MappingNode): - self.flatten_mapping(node) - return super().construct_mapping(node, deep=deep) - - def construct_yaml_null(self, node): - self.construct_scalar(node) - return None - - bool_values = { - 'yes': True, - 'no': False, - 'true': True, - 'false': False, - 'on': True, - 'off': False, - } - - def construct_yaml_bool(self, node): - value = self.construct_scalar(node) - return self.bool_values[value.lower()] - - def construct_yaml_int(self, node): - value = self.construct_scalar(node) - value = value.replace('_', '') - sign = +1 - if value[0] == '-': - sign = -1 - if value[0] in '+-': - value = value[1:] - if value == '0': - return 0 - elif value.startswith('0b'): - return sign*int(value[2:], 2) - elif value.startswith('0x'): - return sign*int(value[2:], 16) - elif value[0] == '0': - return sign*int(value, 8) - elif ':' in value: - digits = [int(part) for part in value.split(':')] - digits.reverse() - base = 1 - value = 0 - for digit in digits: - value += digit*base - base *= 60 - return sign*value - else: - return sign*int(value) - - inf_value = 1e300 - while inf_value != inf_value*inf_value: - inf_value *= inf_value - nan_value = -inf_value/inf_value # Trying to make a quiet NaN (like C99). - - def construct_yaml_float(self, node): - value = self.construct_scalar(node) - value = value.replace('_', '').lower() - sign = +1 - if value[0] == '-': - sign = -1 - if value[0] in '+-': - value = value[1:] - if value == '.inf': - return sign*self.inf_value - elif value == '.nan': - return self.nan_value - elif ':' in value: - digits = [float(part) for part in value.split(':')] - digits.reverse() - base = 1 - value = 0.0 - for digit in digits: - value += digit*base - base *= 60 - return sign*value - else: - return sign*float(value) - - def construct_yaml_binary(self, node): - try: - value = self.construct_scalar(node).encode('ascii') - except UnicodeEncodeError as exc: - raise ConstructorError(None, None, - "failed to convert base64 data into ascii: %s" % exc, - node.start_mark) - try: - if hasattr(base64, 'decodebytes'): - return base64.decodebytes(value) - else: - return base64.decodestring(value) - except binascii.Error as exc: - raise ConstructorError(None, None, - "failed to decode base64 data: %s" % exc, node.start_mark) - - timestamp_regexp = re.compile( - r'''^(?P<year>[0-9][0-9][0-9][0-9]) - -(?P<month>[0-9][0-9]?) - -(?P<day>[0-9][0-9]?) - (?:(?:[Tt]|[ \t]+) - (?P<hour>[0-9][0-9]?) - :(?P<minute>[0-9][0-9]) - :(?P<second>[0-9][0-9]) - (?:\.(?P<fraction>[0-9]*))? - (?:[ \t]*(?P<tz>Z|(?P<tz_sign>[-+])(?P<tz_hour>[0-9][0-9]?) - (?::(?P<tz_minute>[0-9][0-9]))?))?)?$''', re.X) - - def construct_yaml_timestamp(self, node): - value = self.construct_scalar(node) - match = self.timestamp_regexp.match(node.value) - values = match.groupdict() - year = int(values['year']) - month = int(values['month']) - day = int(values['day']) - if not values['hour']: - return datetime.date(year, month, day) - hour = int(values['hour']) - minute = int(values['minute']) - second = int(values['second']) - fraction = 0 - if values['fraction']: - fraction = values['fraction'][:6] - while len(fraction) < 6: - fraction += '0' - fraction = int(fraction) - delta = None - if values['tz_sign']: - tz_hour = int(values['tz_hour']) - tz_minute = int(values['tz_minute'] or 0) - delta = datetime.timedelta(hours=tz_hour, minutes=tz_minute) - if values['tz_sign'] == '-': - delta = -delta - data = datetime.datetime(year, month, day, hour, minute, second, fraction) - if delta: - data -= delta - return data - - def construct_yaml_omap(self, node): - # Note: we do not check for duplicate keys, because it's too - # CPU-expensive. - omap = [] - yield omap - if not isinstance(node, SequenceNode): - raise ConstructorError("while constructing an ordered map", node.start_mark, - "expected a sequence, but found %s" % node.id, node.start_mark) - for subnode in node.value: - if not isinstance(subnode, MappingNode): - raise ConstructorError("while constructing an ordered map", node.start_mark, - "expected a mapping of length 1, but found %s" % subnode.id, - subnode.start_mark) - if len(subnode.value) != 1: - raise ConstructorError("while constructing an ordered map", node.start_mark, - "expected a single mapping item, but found %d items" % len(subnode.value), - subnode.start_mark) - key_node, value_node = subnode.value[0] - key = self.construct_object(key_node) - value = self.construct_object(value_node) - omap.append((key, value)) - - def construct_yaml_pairs(self, node): - # Note: the same code as `construct_yaml_omap`. - pairs = [] - yield pairs - if not isinstance(node, SequenceNode): - raise ConstructorError("while constructing pairs", node.start_mark, - "expected a sequence, but found %s" % node.id, node.start_mark) - for subnode in node.value: - if not isinstance(subnode, MappingNode): - raise ConstructorError("while constructing pairs", node.start_mark, - "expected a mapping of length 1, but found %s" % subnode.id, - subnode.start_mark) - if len(subnode.value) != 1: - raise ConstructorError("while constructing pairs", node.start_mark, - "expected a single mapping item, but found %d items" % len(subnode.value), - subnode.start_mark) - key_node, value_node = subnode.value[0] - key = self.construct_object(key_node) - value = self.construct_object(value_node) - pairs.append((key, value)) - - def construct_yaml_set(self, node): - data = set() - yield data - value = self.construct_mapping(node) - data.update(value) - - def construct_yaml_str(self, node): - return self.construct_scalar(node) - - def construct_yaml_seq(self, node): - data = [] - yield data - data.extend(self.construct_sequence(node)) - - def construct_yaml_map(self, node): - data = {} - yield data - value = self.construct_mapping(node) - data.update(value) - - def construct_yaml_object(self, node, cls): - data = cls.__new__(cls) - yield data - if hasattr(data, '__setstate__'): - state = self.construct_mapping(node, deep=True) - data.__setstate__(state) - else: - state = self.construct_mapping(node) - data.__dict__.update(state) - - def construct_undefined(self, node): - raise ConstructorError(None, None, - "could not determine a constructor for the tag %r" % node.tag, - node.start_mark) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:null', - SafeConstructor.construct_yaml_null) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:bool', - SafeConstructor.construct_yaml_bool) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:int', - SafeConstructor.construct_yaml_int) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:float', - SafeConstructor.construct_yaml_float) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:binary', - SafeConstructor.construct_yaml_binary) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:timestamp', - SafeConstructor.construct_yaml_timestamp) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:omap', - SafeConstructor.construct_yaml_omap) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:pairs', - SafeConstructor.construct_yaml_pairs) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:set', - SafeConstructor.construct_yaml_set) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:str', - SafeConstructor.construct_yaml_str) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:seq', - SafeConstructor.construct_yaml_seq) - -SafeConstructor.add_constructor( - 'tag:yaml.org,2002:map', - SafeConstructor.construct_yaml_map) - -SafeConstructor.add_constructor(None, - SafeConstructor.construct_undefined) - -class Constructor(SafeConstructor): - - def construct_python_str(self, node): - return self.construct_scalar(node) - - def construct_python_unicode(self, node): - return self.construct_scalar(node) - - def construct_python_bytes(self, node): - try: - value = self.construct_scalar(node).encode('ascii') - except UnicodeEncodeError as exc: - raise ConstructorError(None, None, - "failed to convert base64 data into ascii: %s" % exc, - node.start_mark) - try: - if hasattr(base64, 'decodebytes'): - return base64.decodebytes(value) - else: - return base64.decodestring(value) - except binascii.Error as exc: - raise ConstructorError(None, None, - "failed to decode base64 data: %s" % exc, node.start_mark) - - def construct_python_long(self, node): - return self.construct_yaml_int(node) - - def construct_python_complex(self, node): - return complex(self.construct_scalar(node)) - - def construct_python_tuple(self, node): - return tuple(self.construct_sequence(node)) - - def find_python_module(self, name, mark): - if not name: - raise ConstructorError("while constructing a Python module", mark, - "expected non-empty name appended to the tag", mark) - try: - __import__(name) - except ImportError as exc: - raise ConstructorError("while constructing a Python module", mark, - "cannot find module %r (%s)" % (name, exc), mark) - return sys.modules[name] - - def find_python_name(self, name, mark): - if not name: - raise ConstructorError("while constructing a Python object", mark, - "expected non-empty name appended to the tag", mark) - if '.' in name: - module_name, object_name = name.rsplit('.', 1) - else: - module_name = 'builtins' - object_name = name - try: - __import__(module_name) - except ImportError as exc: - raise ConstructorError("while constructing a Python object", mark, - "cannot find module %r (%s)" % (module_name, exc), mark) - module = sys.modules[module_name] - if not hasattr(module, object_name): - raise ConstructorError("while constructing a Python object", mark, - "cannot find %r in the module %r" - % (object_name, module.__name__), mark) - return getattr(module, object_name) - - def construct_python_name(self, suffix, node): - value = self.construct_scalar(node) - if value: - raise ConstructorError("while constructing a Python name", node.start_mark, - "expected the empty value, but found %r" % value, node.start_mark) - return self.find_python_name(suffix, node.start_mark) - - def construct_python_module(self, suffix, node): - value = self.construct_scalar(node) - if value: - raise ConstructorError("while constructing a Python module", node.start_mark, - "expected the empty value, but found %r" % value, node.start_mark) - return self.find_python_module(suffix, node.start_mark) - - def make_python_instance(self, suffix, node, - args=None, kwds=None, newobj=False): - if not args: - args = [] - if not kwds: - kwds = {} - cls = self.find_python_name(suffix, node.start_mark) - if newobj and isinstance(cls, type): - return cls.__new__(cls, *args, **kwds) - else: - return cls(*args, **kwds) - - def set_python_instance_state(self, instance, state): - if hasattr(instance, '__setstate__'): - instance.__setstate__(state) - else: - slotstate = {} - if isinstance(state, tuple) and len(state) == 2: - state, slotstate = state - if hasattr(instance, '__dict__'): - instance.__dict__.update(state) - elif state: - slotstate.update(state) - for key, value in slotstate.items(): - setattr(object, key, value) - - def construct_python_object(self, suffix, node): - # Format: - # !!python/object:module.name { ... state ... } - instance = self.make_python_instance(suffix, node, newobj=True) - yield instance - deep = hasattr(instance, '__setstate__') - state = self.construct_mapping(node, deep=deep) - self.set_python_instance_state(instance, state) - - def construct_python_object_apply(self, suffix, node, newobj=False): - # Format: - # !!python/object/apply # (or !!python/object/new) - # args: [ ... arguments ... ] - # kwds: { ... keywords ... } - # state: ... state ... - # listitems: [ ... listitems ... ] - # dictitems: { ... dictitems ... } - # or short format: - # !!python/object/apply [ ... arguments ... ] - # The difference between !!python/object/apply and !!python/object/new - # is how an object is created, check make_python_instance for details. - if isinstance(node, SequenceNode): - args = self.construct_sequence(node, deep=True) - kwds = {} - state = {} - listitems = [] - dictitems = {} - else: - value = self.construct_mapping(node, deep=True) - args = value.get('args', []) - kwds = value.get('kwds', {}) - state = value.get('state', {}) - listitems = value.get('listitems', []) - dictitems = value.get('dictitems', {}) - instance = self.make_python_instance(suffix, node, args, kwds, newobj) - if state: - self.set_python_instance_state(instance, state) - if listitems: - instance.extend(listitems) - if dictitems: - for key in dictitems: - instance[key] = dictitems[key] - return instance - - def construct_python_object_new(self, suffix, node): - return self.construct_python_object_apply(suffix, node, newobj=True) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/none', - Constructor.construct_yaml_null) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/bool', - Constructor.construct_yaml_bool) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/str', - Constructor.construct_python_str) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/unicode', - Constructor.construct_python_unicode) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/bytes', - Constructor.construct_python_bytes) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/int', - Constructor.construct_yaml_int) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/long', - Constructor.construct_python_long) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/float', - Constructor.construct_yaml_float) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/complex', - Constructor.construct_python_complex) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/list', - Constructor.construct_yaml_seq) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/tuple', - Constructor.construct_python_tuple) - -Constructor.add_constructor( - 'tag:yaml.org,2002:python/dict', - Constructor.construct_yaml_map) - -Constructor.add_multi_constructor( - 'tag:yaml.org,2002:python/name:', - Constructor.construct_python_name) - -Constructor.add_multi_constructor( - 'tag:yaml.org,2002:python/module:', - Constructor.construct_python_module) - -Constructor.add_multi_constructor( - 'tag:yaml.org,2002:python/object:', - Constructor.construct_python_object) - -Constructor.add_multi_constructor( - 'tag:yaml.org,2002:python/object/apply:', - Constructor.construct_python_object_apply) - -Constructor.add_multi_constructor( - 'tag:yaml.org,2002:python/object/new:', - Constructor.construct_python_object_new) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/cyaml.py b/collectors/python.d.plugin/python_modules/pyyaml3/cyaml.py deleted file mode 100644 index e6c16d894..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/cyaml.py +++ /dev/null @@ -1,86 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['CBaseLoader', 'CSafeLoader', 'CLoader', - 'CBaseDumper', 'CSafeDumper', 'CDumper'] - -from _yaml import CParser, CEmitter - -from .constructor import * - -from .serializer import * -from .representer import * - -from .resolver import * - -class CBaseLoader(CParser, BaseConstructor, BaseResolver): - - def __init__(self, stream): - CParser.__init__(self, stream) - BaseConstructor.__init__(self) - BaseResolver.__init__(self) - -class CSafeLoader(CParser, SafeConstructor, Resolver): - - def __init__(self, stream): - CParser.__init__(self, stream) - SafeConstructor.__init__(self) - Resolver.__init__(self) - -class CLoader(CParser, Constructor, Resolver): - - def __init__(self, stream): - CParser.__init__(self, stream) - Constructor.__init__(self) - Resolver.__init__(self) - -class CBaseDumper(CEmitter, BaseRepresenter, BaseResolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - CEmitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, encoding=encoding, - allow_unicode=allow_unicode, line_break=line_break, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class CSafeDumper(CEmitter, SafeRepresenter, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - CEmitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, encoding=encoding, - allow_unicode=allow_unicode, line_break=line_break, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - SafeRepresenter.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class CDumper(CEmitter, Serializer, Representer, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - CEmitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, encoding=encoding, - allow_unicode=allow_unicode, line_break=line_break, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/dumper.py b/collectors/python.d.plugin/python_modules/pyyaml3/dumper.py deleted file mode 100644 index ba590c6e6..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/dumper.py +++ /dev/null @@ -1,63 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseDumper', 'SafeDumper', 'Dumper'] - -from .emitter import * -from .serializer import * -from .representer import * -from .resolver import * - -class BaseDumper(Emitter, Serializer, BaseRepresenter, BaseResolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - Emitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - Serializer.__init__(self, encoding=encoding, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class SafeDumper(Emitter, Serializer, SafeRepresenter, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - Emitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - Serializer.__init__(self, encoding=encoding, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - SafeRepresenter.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - -class Dumper(Emitter, Serializer, Representer, Resolver): - - def __init__(self, stream, - default_style=None, default_flow_style=None, - canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, - encoding=None, explicit_start=None, explicit_end=None, - version=None, tags=None): - Emitter.__init__(self, stream, canonical=canonical, - indent=indent, width=width, - allow_unicode=allow_unicode, line_break=line_break) - Serializer.__init__(self, encoding=encoding, - explicit_start=explicit_start, explicit_end=explicit_end, - version=version, tags=tags) - Representer.__init__(self, default_style=default_style, - default_flow_style=default_flow_style) - Resolver.__init__(self) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/emitter.py b/collectors/python.d.plugin/python_modules/pyyaml3/emitter.py deleted file mode 100644 index d4be65a8e..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/emitter.py +++ /dev/null @@ -1,1138 +0,0 @@ -# SPDX-License-Identifier: MIT - -# Emitter expects events obeying the following grammar: -# stream ::= STREAM-START document* STREAM-END -# document ::= DOCUMENT-START node DOCUMENT-END -# node ::= SCALAR | sequence | mapping -# sequence ::= SEQUENCE-START node* SEQUENCE-END -# mapping ::= MAPPING-START (node node)* MAPPING-END - -__all__ = ['Emitter', 'EmitterError'] - -from .error import YAMLError -from .events import * - -class EmitterError(YAMLError): - pass - -class ScalarAnalysis: - def __init__(self, scalar, empty, multiline, - allow_flow_plain, allow_block_plain, - allow_single_quoted, allow_double_quoted, - allow_block): - self.scalar = scalar - self.empty = empty - self.multiline = multiline - self.allow_flow_plain = allow_flow_plain - self.allow_block_plain = allow_block_plain - self.allow_single_quoted = allow_single_quoted - self.allow_double_quoted = allow_double_quoted - self.allow_block = allow_block - -class Emitter: - - DEFAULT_TAG_PREFIXES = { - '!' : '!', - 'tag:yaml.org,2002:' : '!!', - } - - def __init__(self, stream, canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None): - - # The stream should have the methods `write` and possibly `flush`. - self.stream = stream - - # Encoding can be overriden by STREAM-START. - self.encoding = None - - # Emitter is a state machine with a stack of states to handle nested - # structures. - self.states = [] - self.state = self.expect_stream_start - - # Current event and the event queue. - self.events = [] - self.event = None - - # The current indentation level and the stack of previous indents. - self.indents = [] - self.indent = None - - # Flow level. - self.flow_level = 0 - - # Contexts. - self.root_context = False - self.sequence_context = False - self.mapping_context = False - self.simple_key_context = False - - # Characteristics of the last emitted character: - # - current position. - # - is it a whitespace? - # - is it an indention character - # (indentation space, '-', '?', or ':')? - self.line = 0 - self.column = 0 - self.whitespace = True - self.indention = True - - # Whether the document requires an explicit document indicator - self.open_ended = False - - # Formatting details. - self.canonical = canonical - self.allow_unicode = allow_unicode - self.best_indent = 2 - if indent and 1 < indent < 10: - self.best_indent = indent - self.best_width = 80 - if width and width > self.best_indent*2: - self.best_width = width - self.best_line_break = '\n' - if line_break in ['\r', '\n', '\r\n']: - self.best_line_break = line_break - - # Tag prefixes. - self.tag_prefixes = None - - # Prepared anchor and tag. - self.prepared_anchor = None - self.prepared_tag = None - - # Scalar analysis and style. - self.analysis = None - self.style = None - - def dispose(self): - # Reset the state attributes (to clear self-references) - self.states = [] - self.state = None - - def emit(self, event): - self.events.append(event) - while not self.need_more_events(): - self.event = self.events.pop(0) - self.state() - self.event = None - - # In some cases, we wait for a few next events before emitting. - - def need_more_events(self): - if not self.events: - return True - event = self.events[0] - if isinstance(event, DocumentStartEvent): - return self.need_events(1) - elif isinstance(event, SequenceStartEvent): - return self.need_events(2) - elif isinstance(event, MappingStartEvent): - return self.need_events(3) - else: - return False - - def need_events(self, count): - level = 0 - for event in self.events[1:]: - if isinstance(event, (DocumentStartEvent, CollectionStartEvent)): - level += 1 - elif isinstance(event, (DocumentEndEvent, CollectionEndEvent)): - level -= 1 - elif isinstance(event, StreamEndEvent): - level = -1 - if level < 0: - return False - return (len(self.events) < count+1) - - def increase_indent(self, flow=False, indentless=False): - self.indents.append(self.indent) - if self.indent is None: - if flow: - self.indent = self.best_indent - else: - self.indent = 0 - elif not indentless: - self.indent += self.best_indent - - # States. - - # Stream handlers. - - def expect_stream_start(self): - if isinstance(self.event, StreamStartEvent): - if self.event.encoding and not hasattr(self.stream, 'encoding'): - self.encoding = self.event.encoding - self.write_stream_start() - self.state = self.expect_first_document_start - else: - raise EmitterError("expected StreamStartEvent, but got %s" - % self.event) - - def expect_nothing(self): - raise EmitterError("expected nothing, but got %s" % self.event) - - # Document handlers. - - def expect_first_document_start(self): - return self.expect_document_start(first=True) - - def expect_document_start(self, first=False): - if isinstance(self.event, DocumentStartEvent): - if (self.event.version or self.event.tags) and self.open_ended: - self.write_indicator('...', True) - self.write_indent() - if self.event.version: - version_text = self.prepare_version(self.event.version) - self.write_version_directive(version_text) - self.tag_prefixes = self.DEFAULT_TAG_PREFIXES.copy() - if self.event.tags: - handles = sorted(self.event.tags.keys()) - for handle in handles: - prefix = self.event.tags[handle] - self.tag_prefixes[prefix] = handle - handle_text = self.prepare_tag_handle(handle) - prefix_text = self.prepare_tag_prefix(prefix) - self.write_tag_directive(handle_text, prefix_text) - implicit = (first and not self.event.explicit and not self.canonical - and not self.event.version and not self.event.tags - and not self.check_empty_document()) - if not implicit: - self.write_indent() - self.write_indicator('---', True) - if self.canonical: - self.write_indent() - self.state = self.expect_document_root - elif isinstance(self.event, StreamEndEvent): - if self.open_ended: - self.write_indicator('...', True) - self.write_indent() - self.write_stream_end() - self.state = self.expect_nothing - else: - raise EmitterError("expected DocumentStartEvent, but got %s" - % self.event) - - def expect_document_end(self): - if isinstance(self.event, DocumentEndEvent): - self.write_indent() - if self.event.explicit: - self.write_indicator('...', True) - self.write_indent() - self.flush_stream() - self.state = self.expect_document_start - else: - raise EmitterError("expected DocumentEndEvent, but got %s" - % self.event) - - def expect_document_root(self): - self.states.append(self.expect_document_end) - self.expect_node(root=True) - - # Node handlers. - - def expect_node(self, root=False, sequence=False, mapping=False, - simple_key=False): - self.root_context = root - self.sequence_context = sequence - self.mapping_context = mapping - self.simple_key_context = simple_key - if isinstance(self.event, AliasEvent): - self.expect_alias() - elif isinstance(self.event, (ScalarEvent, CollectionStartEvent)): - self.process_anchor('&') - self.process_tag() - if isinstance(self.event, ScalarEvent): - self.expect_scalar() - elif isinstance(self.event, SequenceStartEvent): - if self.flow_level or self.canonical or self.event.flow_style \ - or self.check_empty_sequence(): - self.expect_flow_sequence() - else: - self.expect_block_sequence() - elif isinstance(self.event, MappingStartEvent): - if self.flow_level or self.canonical or self.event.flow_style \ - or self.check_empty_mapping(): - self.expect_flow_mapping() - else: - self.expect_block_mapping() - else: - raise EmitterError("expected NodeEvent, but got %s" % self.event) - - def expect_alias(self): - if self.event.anchor is None: - raise EmitterError("anchor is not specified for alias") - self.process_anchor('*') - self.state = self.states.pop() - - def expect_scalar(self): - self.increase_indent(flow=True) - self.process_scalar() - self.indent = self.indents.pop() - self.state = self.states.pop() - - # Flow sequence handlers. - - def expect_flow_sequence(self): - self.write_indicator('[', True, whitespace=True) - self.flow_level += 1 - self.increase_indent(flow=True) - self.state = self.expect_first_flow_sequence_item - - def expect_first_flow_sequence_item(self): - if isinstance(self.event, SequenceEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - self.write_indicator(']', False) - self.state = self.states.pop() - else: - if self.canonical or self.column > self.best_width: - self.write_indent() - self.states.append(self.expect_flow_sequence_item) - self.expect_node(sequence=True) - - def expect_flow_sequence_item(self): - if isinstance(self.event, SequenceEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - if self.canonical: - self.write_indicator(',', False) - self.write_indent() - self.write_indicator(']', False) - self.state = self.states.pop() - else: - self.write_indicator(',', False) - if self.canonical or self.column > self.best_width: - self.write_indent() - self.states.append(self.expect_flow_sequence_item) - self.expect_node(sequence=True) - - # Flow mapping handlers. - - def expect_flow_mapping(self): - self.write_indicator('{', True, whitespace=True) - self.flow_level += 1 - self.increase_indent(flow=True) - self.state = self.expect_first_flow_mapping_key - - def expect_first_flow_mapping_key(self): - if isinstance(self.event, MappingEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - self.write_indicator('}', False) - self.state = self.states.pop() - else: - if self.canonical or self.column > self.best_width: - self.write_indent() - if not self.canonical and self.check_simple_key(): - self.states.append(self.expect_flow_mapping_simple_value) - self.expect_node(mapping=True, simple_key=True) - else: - self.write_indicator('?', True) - self.states.append(self.expect_flow_mapping_value) - self.expect_node(mapping=True) - - def expect_flow_mapping_key(self): - if isinstance(self.event, MappingEndEvent): - self.indent = self.indents.pop() - self.flow_level -= 1 - if self.canonical: - self.write_indicator(',', False) - self.write_indent() - self.write_indicator('}', False) - self.state = self.states.pop() - else: - self.write_indicator(',', False) - if self.canonical or self.column > self.best_width: - self.write_indent() - if not self.canonical and self.check_simple_key(): - self.states.append(self.expect_flow_mapping_simple_value) - self.expect_node(mapping=True, simple_key=True) - else: - self.write_indicator('?', True) - self.states.append(self.expect_flow_mapping_value) - self.expect_node(mapping=True) - - def expect_flow_mapping_simple_value(self): - self.write_indicator(':', False) - self.states.append(self.expect_flow_mapping_key) - self.expect_node(mapping=True) - - def expect_flow_mapping_value(self): - if self.canonical or self.column > self.best_width: - self.write_indent() - self.write_indicator(':', True) - self.states.append(self.expect_flow_mapping_key) - self.expect_node(mapping=True) - - # Block sequence handlers. - - def expect_block_sequence(self): - indentless = (self.mapping_context and not self.indention) - self.increase_indent(flow=False, indentless=indentless) - self.state = self.expect_first_block_sequence_item - - def expect_first_block_sequence_item(self): - return self.expect_block_sequence_item(first=True) - - def expect_block_sequence_item(self, first=False): - if not first and isinstance(self.event, SequenceEndEvent): - self.indent = self.indents.pop() - self.state = self.states.pop() - else: - self.write_indent() - self.write_indicator('-', True, indention=True) - self.states.append(self.expect_block_sequence_item) - self.expect_node(sequence=True) - - # Block mapping handlers. - - def expect_block_mapping(self): - self.increase_indent(flow=False) - self.state = self.expect_first_block_mapping_key - - def expect_first_block_mapping_key(self): - return self.expect_block_mapping_key(first=True) - - def expect_block_mapping_key(self, first=False): - if not first and isinstance(self.event, MappingEndEvent): - self.indent = self.indents.pop() - self.state = self.states.pop() - else: - self.write_indent() - if self.check_simple_key(): - self.states.append(self.expect_block_mapping_simple_value) - self.expect_node(mapping=True, simple_key=True) - else: - self.write_indicator('?', True, indention=True) - self.states.append(self.expect_block_mapping_value) - self.expect_node(mapping=True) - - def expect_block_mapping_simple_value(self): - self.write_indicator(':', False) - self.states.append(self.expect_block_mapping_key) - self.expect_node(mapping=True) - - def expect_block_mapping_value(self): - self.write_indent() - self.write_indicator(':', True, indention=True) - self.states.append(self.expect_block_mapping_key) - self.expect_node(mapping=True) - - # Checkers. - - def check_empty_sequence(self): - return (isinstance(self.event, SequenceStartEvent) and self.events - and isinstance(self.events[0], SequenceEndEvent)) - - def check_empty_mapping(self): - return (isinstance(self.event, MappingStartEvent) and self.events - and isinstance(self.events[0], MappingEndEvent)) - - def check_empty_document(self): - if not isinstance(self.event, DocumentStartEvent) or not self.events: - return False - event = self.events[0] - return (isinstance(event, ScalarEvent) and event.anchor is None - and event.tag is None and event.implicit and event.value == '') - - def check_simple_key(self): - length = 0 - if isinstance(self.event, NodeEvent) and self.event.anchor is not None: - if self.prepared_anchor is None: - self.prepared_anchor = self.prepare_anchor(self.event.anchor) - length += len(self.prepared_anchor) - if isinstance(self.event, (ScalarEvent, CollectionStartEvent)) \ - and self.event.tag is not None: - if self.prepared_tag is None: - self.prepared_tag = self.prepare_tag(self.event.tag) - length += len(self.prepared_tag) - if isinstance(self.event, ScalarEvent): - if self.analysis is None: - self.analysis = self.analyze_scalar(self.event.value) - length += len(self.analysis.scalar) - return (length < 128 and (isinstance(self.event, AliasEvent) - or (isinstance(self.event, ScalarEvent) - and not self.analysis.empty and not self.analysis.multiline) - or self.check_empty_sequence() or self.check_empty_mapping())) - - # Anchor, Tag, and Scalar processors. - - def process_anchor(self, indicator): - if self.event.anchor is None: - self.prepared_anchor = None - return - if self.prepared_anchor is None: - self.prepared_anchor = self.prepare_anchor(self.event.anchor) - if self.prepared_anchor: - self.write_indicator(indicator+self.prepared_anchor, True) - self.prepared_anchor = None - - def process_tag(self): - tag = self.event.tag - if isinstance(self.event, ScalarEvent): - if self.style is None: - self.style = self.choose_scalar_style() - if ((not self.canonical or tag is None) and - ((self.style == '' and self.event.implicit[0]) - or (self.style != '' and self.event.implicit[1]))): - self.prepared_tag = None - return - if self.event.implicit[0] and tag is None: - tag = '!' - self.prepared_tag = None - else: - if (not self.canonical or tag is None) and self.event.implicit: - self.prepared_tag = None - return - if tag is None: - raise EmitterError("tag is not specified") - if self.prepared_tag is None: - self.prepared_tag = self.prepare_tag(tag) - if self.prepared_tag: - self.write_indicator(self.prepared_tag, True) - self.prepared_tag = None - - def choose_scalar_style(self): - if self.analysis is None: - self.analysis = self.analyze_scalar(self.event.value) - if self.event.style == '"' or self.canonical: - return '"' - if not self.event.style and self.event.implicit[0]: - if (not (self.simple_key_context and - (self.analysis.empty or self.analysis.multiline)) - and (self.flow_level and self.analysis.allow_flow_plain - or (not self.flow_level and self.analysis.allow_block_plain))): - return '' - if self.event.style and self.event.style in '|>': - if (not self.flow_level and not self.simple_key_context - and self.analysis.allow_block): - return self.event.style - if not self.event.style or self.event.style == '\'': - if (self.analysis.allow_single_quoted and - not (self.simple_key_context and self.analysis.multiline)): - return '\'' - return '"' - - def process_scalar(self): - if self.analysis is None: - self.analysis = self.analyze_scalar(self.event.value) - if self.style is None: - self.style = self.choose_scalar_style() - split = (not self.simple_key_context) - #if self.analysis.multiline and split \ - # and (not self.style or self.style in '\'\"'): - # self.write_indent() - if self.style == '"': - self.write_double_quoted(self.analysis.scalar, split) - elif self.style == '\'': - self.write_single_quoted(self.analysis.scalar, split) - elif self.style == '>': - self.write_folded(self.analysis.scalar) - elif self.style == '|': - self.write_literal(self.analysis.scalar) - else: - self.write_plain(self.analysis.scalar, split) - self.analysis = None - self.style = None - - # Analyzers. - - def prepare_version(self, version): - major, minor = version - if major != 1: - raise EmitterError("unsupported YAML version: %d.%d" % (major, minor)) - return '%d.%d' % (major, minor) - - def prepare_tag_handle(self, handle): - if not handle: - raise EmitterError("tag handle must not be empty") - if handle[0] != '!' or handle[-1] != '!': - raise EmitterError("tag handle must start and end with '!': %r" % handle) - for ch in handle[1:-1]: - if not ('0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-_'): - raise EmitterError("invalid character %r in the tag handle: %r" - % (ch, handle)) - return handle - - def prepare_tag_prefix(self, prefix): - if not prefix: - raise EmitterError("tag prefix must not be empty") - chunks = [] - start = end = 0 - if prefix[0] == '!': - end = 1 - while end < len(prefix): - ch = prefix[end] - if '0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-;/?!:@&=+$,_.~*\'()[]': - end += 1 - else: - if start < end: - chunks.append(prefix[start:end]) - start = end = end+1 - data = ch.encode('utf-8') - for ch in data: - chunks.append('%%%02X' % ord(ch)) - if start < end: - chunks.append(prefix[start:end]) - return ''.join(chunks) - - def prepare_tag(self, tag): - if not tag: - raise EmitterError("tag must not be empty") - if tag == '!': - return tag - handle = None - suffix = tag - prefixes = sorted(self.tag_prefixes.keys()) - for prefix in prefixes: - if tag.startswith(prefix) \ - and (prefix == '!' or len(prefix) < len(tag)): - handle = self.tag_prefixes[prefix] - suffix = tag[len(prefix):] - chunks = [] - start = end = 0 - while end < len(suffix): - ch = suffix[end] - if '0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-;/?:@&=+$,_.~*\'()[]' \ - or (ch == '!' and handle != '!'): - end += 1 - else: - if start < end: - chunks.append(suffix[start:end]) - start = end = end+1 - data = ch.encode('utf-8') - for ch in data: - chunks.append('%%%02X' % ord(ch)) - if start < end: - chunks.append(suffix[start:end]) - suffix_text = ''.join(chunks) - if handle: - return '%s%s' % (handle, suffix_text) - else: - return '!<%s>' % suffix_text - - def prepare_anchor(self, anchor): - if not anchor: - raise EmitterError("anchor must not be empty") - for ch in anchor: - if not ('0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-_'): - raise EmitterError("invalid character %r in the anchor: %r" - % (ch, anchor)) - return anchor - - def analyze_scalar(self, scalar): - - # Empty scalar is a special case. - if not scalar: - return ScalarAnalysis(scalar=scalar, empty=True, multiline=False, - allow_flow_plain=False, allow_block_plain=True, - allow_single_quoted=True, allow_double_quoted=True, - allow_block=False) - - # Indicators and special characters. - block_indicators = False - flow_indicators = False - line_breaks = False - special_characters = False - - # Important whitespace combinations. - leading_space = False - leading_break = False - trailing_space = False - trailing_break = False - break_space = False - space_break = False - - # Check document indicators. - if scalar.startswith('---') or scalar.startswith('...'): - block_indicators = True - flow_indicators = True - - # First character or preceded by a whitespace. - preceeded_by_whitespace = True - - # Last character or followed by a whitespace. - followed_by_whitespace = (len(scalar) == 1 or - scalar[1] in '\0 \t\r\n\x85\u2028\u2029') - - # The previous character is a space. - previous_space = False - - # The previous character is a break. - previous_break = False - - index = 0 - while index < len(scalar): - ch = scalar[index] - - # Check for indicators. - if index == 0: - # Leading indicators are special characters. - if ch in '#,[]{}&*!|>\'\"%@`': - flow_indicators = True - block_indicators = True - if ch in '?:': - flow_indicators = True - if followed_by_whitespace: - block_indicators = True - if ch == '-' and followed_by_whitespace: - flow_indicators = True - block_indicators = True - else: - # Some indicators cannot appear within a scalar as well. - if ch in ',?[]{}': - flow_indicators = True - if ch == ':': - flow_indicators = True - if followed_by_whitespace: - block_indicators = True - if ch == '#' and preceeded_by_whitespace: - flow_indicators = True - block_indicators = True - - # Check for line breaks, special, and unicode characters. - if ch in '\n\x85\u2028\u2029': - line_breaks = True - if not (ch == '\n' or '\x20' <= ch <= '\x7E'): - if (ch == '\x85' or '\xA0' <= ch <= '\uD7FF' - or '\uE000' <= ch <= '\uFFFD') and ch != '\uFEFF': - unicode_characters = True - if not self.allow_unicode: - special_characters = True - else: - special_characters = True - - # Detect important whitespace combinations. - if ch == ' ': - if index == 0: - leading_space = True - if index == len(scalar)-1: - trailing_space = True - if previous_break: - break_space = True - previous_space = True - previous_break = False - elif ch in '\n\x85\u2028\u2029': - if index == 0: - leading_break = True - if index == len(scalar)-1: - trailing_break = True - if previous_space: - space_break = True - previous_space = False - previous_break = True - else: - previous_space = False - previous_break = False - - # Prepare for the next character. - index += 1 - preceeded_by_whitespace = (ch in '\0 \t\r\n\x85\u2028\u2029') - followed_by_whitespace = (index+1 >= len(scalar) or - scalar[index+1] in '\0 \t\r\n\x85\u2028\u2029') - - # Let's decide what styles are allowed. - allow_flow_plain = True - allow_block_plain = True - allow_single_quoted = True - allow_double_quoted = True - allow_block = True - - # Leading and trailing whitespaces are bad for plain scalars. - if (leading_space or leading_break - or trailing_space or trailing_break): - allow_flow_plain = allow_block_plain = False - - # We do not permit trailing spaces for block scalars. - if trailing_space: - allow_block = False - - # Spaces at the beginning of a new line are only acceptable for block - # scalars. - if break_space: - allow_flow_plain = allow_block_plain = allow_single_quoted = False - - # Spaces followed by breaks, as well as special character are only - # allowed for double quoted scalars. - if space_break or special_characters: - allow_flow_plain = allow_block_plain = \ - allow_single_quoted = allow_block = False - - # Although the plain scalar writer supports breaks, we never emit - # multiline plain scalars. - if line_breaks: - allow_flow_plain = allow_block_plain = False - - # Flow indicators are forbidden for flow plain scalars. - if flow_indicators: - allow_flow_plain = False - - # Block indicators are forbidden for block plain scalars. - if block_indicators: - allow_block_plain = False - - return ScalarAnalysis(scalar=scalar, - empty=False, multiline=line_breaks, - allow_flow_plain=allow_flow_plain, - allow_block_plain=allow_block_plain, - allow_single_quoted=allow_single_quoted, - allow_double_quoted=allow_double_quoted, - allow_block=allow_block) - - # Writers. - - def flush_stream(self): - if hasattr(self.stream, 'flush'): - self.stream.flush() - - def write_stream_start(self): - # Write BOM if needed. - if self.encoding and self.encoding.startswith('utf-16'): - self.stream.write('\uFEFF'.encode(self.encoding)) - - def write_stream_end(self): - self.flush_stream() - - def write_indicator(self, indicator, need_whitespace, - whitespace=False, indention=False): - if self.whitespace or not need_whitespace: - data = indicator - else: - data = ' '+indicator - self.whitespace = whitespace - self.indention = self.indention and indention - self.column += len(data) - self.open_ended = False - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - - def write_indent(self): - indent = self.indent or 0 - if not self.indention or self.column > indent \ - or (self.column == indent and not self.whitespace): - self.write_line_break() - if self.column < indent: - self.whitespace = True - data = ' '*(indent-self.column) - self.column = indent - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - - def write_line_break(self, data=None): - if data is None: - data = self.best_line_break - self.whitespace = True - self.indention = True - self.line += 1 - self.column = 0 - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - - def write_version_directive(self, version_text): - data = '%%YAML %s' % version_text - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.write_line_break() - - def write_tag_directive(self, handle_text, prefix_text): - data = '%%TAG %s %s' % (handle_text, prefix_text) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.write_line_break() - - # Scalar streams. - - def write_single_quoted(self, text, split=True): - self.write_indicator('\'', True) - spaces = False - breaks = False - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if spaces: - if ch is None or ch != ' ': - if start+1 == end and self.column > self.best_width and split \ - and start != 0 and end != len(text): - self.write_indent() - else: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - elif breaks: - if ch is None or ch not in '\n\x85\u2028\u2029': - if text[start] == '\n': - self.write_line_break() - for br in text[start:end]: - if br == '\n': - self.write_line_break() - else: - self.write_line_break(br) - self.write_indent() - start = end - else: - if ch is None or ch in ' \n\x85\u2028\u2029' or ch == '\'': - if start < end: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - if ch == '\'': - data = '\'\'' - self.column += 2 - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end + 1 - if ch is not None: - spaces = (ch == ' ') - breaks = (ch in '\n\x85\u2028\u2029') - end += 1 - self.write_indicator('\'', False) - - ESCAPE_REPLACEMENTS = { - '\0': '0', - '\x07': 'a', - '\x08': 'b', - '\x09': 't', - '\x0A': 'n', - '\x0B': 'v', - '\x0C': 'f', - '\x0D': 'r', - '\x1B': 'e', - '\"': '\"', - '\\': '\\', - '\x85': 'N', - '\xA0': '_', - '\u2028': 'L', - '\u2029': 'P', - } - - def write_double_quoted(self, text, split=True): - self.write_indicator('"', True) - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if ch is None or ch in '"\\\x85\u2028\u2029\uFEFF' \ - or not ('\x20' <= ch <= '\x7E' - or (self.allow_unicode - and ('\xA0' <= ch <= '\uD7FF' - or '\uE000' <= ch <= '\uFFFD'))): - if start < end: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - if ch is not None: - if ch in self.ESCAPE_REPLACEMENTS: - data = '\\'+self.ESCAPE_REPLACEMENTS[ch] - elif ch <= '\xFF': - data = '\\x%02X' % ord(ch) - elif ch <= '\uFFFF': - data = '\\u%04X' % ord(ch) - else: - data = '\\U%08X' % ord(ch) - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end+1 - if 0 < end < len(text)-1 and (ch == ' ' or start >= end) \ - and self.column+(end-start) > self.best_width and split: - data = text[start:end]+'\\' - if start < end: - start = end - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.write_indent() - self.whitespace = False - self.indention = False - if text[start] == ' ': - data = '\\' - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - end += 1 - self.write_indicator('"', False) - - def determine_block_hints(self, text): - hints = '' - if text: - if text[0] in ' \n\x85\u2028\u2029': - hints += str(self.best_indent) - if text[-1] not in '\n\x85\u2028\u2029': - hints += '-' - elif len(text) == 1 or text[-2] in '\n\x85\u2028\u2029': - hints += '+' - return hints - - def write_folded(self, text): - hints = self.determine_block_hints(text) - self.write_indicator('>'+hints, True) - if hints[-1:] == '+': - self.open_ended = True - self.write_line_break() - leading_space = True - spaces = False - breaks = True - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if breaks: - if ch is None or ch not in '\n\x85\u2028\u2029': - if not leading_space and ch is not None and ch != ' ' \ - and text[start] == '\n': - self.write_line_break() - leading_space = (ch == ' ') - for br in text[start:end]: - if br == '\n': - self.write_line_break() - else: - self.write_line_break(br) - if ch is not None: - self.write_indent() - start = end - elif spaces: - if ch != ' ': - if start+1 == end and self.column > self.best_width: - self.write_indent() - else: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - else: - if ch is None or ch in ' \n\x85\u2028\u2029': - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - if ch is None: - self.write_line_break() - start = end - if ch is not None: - breaks = (ch in '\n\x85\u2028\u2029') - spaces = (ch == ' ') - end += 1 - - def write_literal(self, text): - hints = self.determine_block_hints(text) - self.write_indicator('|'+hints, True) - if hints[-1:] == '+': - self.open_ended = True - self.write_line_break() - breaks = True - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if breaks: - if ch is None or ch not in '\n\x85\u2028\u2029': - for br in text[start:end]: - if br == '\n': - self.write_line_break() - else: - self.write_line_break(br) - if ch is not None: - self.write_indent() - start = end - else: - if ch is None or ch in '\n\x85\u2028\u2029': - data = text[start:end] - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - if ch is None: - self.write_line_break() - start = end - if ch is not None: - breaks = (ch in '\n\x85\u2028\u2029') - end += 1 - - def write_plain(self, text, split=True): - if self.root_context: - self.open_ended = True - if not text: - return - if not self.whitespace: - data = ' ' - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - self.whitespace = False - self.indention = False - spaces = False - breaks = False - start = end = 0 - while end <= len(text): - ch = None - if end < len(text): - ch = text[end] - if spaces: - if ch != ' ': - if start+1 == end and self.column > self.best_width and split: - self.write_indent() - self.whitespace = False - self.indention = False - else: - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - elif breaks: - if ch not in '\n\x85\u2028\u2029': - if text[start] == '\n': - self.write_line_break() - for br in text[start:end]: - if br == '\n': - self.write_line_break() - else: - self.write_line_break(br) - self.write_indent() - self.whitespace = False - self.indention = False - start = end - else: - if ch is None or ch in ' \n\x85\u2028\u2029': - data = text[start:end] - self.column += len(data) - if self.encoding: - data = data.encode(self.encoding) - self.stream.write(data) - start = end - if ch is not None: - spaces = (ch == ' ') - breaks = (ch in '\n\x85\u2028\u2029') - end += 1 - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/error.py b/collectors/python.d.plugin/python_modules/pyyaml3/error.py deleted file mode 100644 index 5fec7d449..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/error.py +++ /dev/null @@ -1,76 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['Mark', 'YAMLError', 'MarkedYAMLError'] - -class Mark: - - def __init__(self, name, index, line, column, buffer, pointer): - self.name = name - self.index = index - self.line = line - self.column = column - self.buffer = buffer - self.pointer = pointer - - def get_snippet(self, indent=4, max_length=75): - if self.buffer is None: - return None - head = '' - start = self.pointer - while start > 0 and self.buffer[start-1] not in '\0\r\n\x85\u2028\u2029': - start -= 1 - if self.pointer-start > max_length/2-1: - head = ' ... ' - start += 5 - break - tail = '' - end = self.pointer - while end < len(self.buffer) and self.buffer[end] not in '\0\r\n\x85\u2028\u2029': - end += 1 - if end-self.pointer > max_length/2-1: - tail = ' ... ' - end -= 5 - break - snippet = self.buffer[start:end] - return ' '*indent + head + snippet + tail + '\n' \ - + ' '*(indent+self.pointer-start+len(head)) + '^' - - def __str__(self): - snippet = self.get_snippet() - where = " in \"%s\", line %d, column %d" \ - % (self.name, self.line+1, self.column+1) - if snippet is not None: - where += ":\n"+snippet - return where - -class YAMLError(Exception): - pass - -class MarkedYAMLError(YAMLError): - - def __init__(self, context=None, context_mark=None, - problem=None, problem_mark=None, note=None): - self.context = context - self.context_mark = context_mark - self.problem = problem - self.problem_mark = problem_mark - self.note = note - - def __str__(self): - lines = [] - if self.context is not None: - lines.append(self.context) - if self.context_mark is not None \ - and (self.problem is None or self.problem_mark is None - or self.context_mark.name != self.problem_mark.name - or self.context_mark.line != self.problem_mark.line - or self.context_mark.column != self.problem_mark.column): - lines.append(str(self.context_mark)) - if self.problem is not None: - lines.append(self.problem) - if self.problem_mark is not None: - lines.append(str(self.problem_mark)) - if self.note is not None: - lines.append(self.note) - return '\n'.join(lines) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/events.py b/collectors/python.d.plugin/python_modules/pyyaml3/events.py deleted file mode 100644 index 283452add..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/events.py +++ /dev/null @@ -1,87 +0,0 @@ -# SPDX-License-Identifier: MIT - -# Abstract classes. - -class Event(object): - def __init__(self, start_mark=None, end_mark=None): - self.start_mark = start_mark - self.end_mark = end_mark - def __repr__(self): - attributes = [key for key in ['anchor', 'tag', 'implicit', 'value'] - if hasattr(self, key)] - arguments = ', '.join(['%s=%r' % (key, getattr(self, key)) - for key in attributes]) - return '%s(%s)' % (self.__class__.__name__, arguments) - -class NodeEvent(Event): - def __init__(self, anchor, start_mark=None, end_mark=None): - self.anchor = anchor - self.start_mark = start_mark - self.end_mark = end_mark - -class CollectionStartEvent(NodeEvent): - def __init__(self, anchor, tag, implicit, start_mark=None, end_mark=None, - flow_style=None): - self.anchor = anchor - self.tag = tag - self.implicit = implicit - self.start_mark = start_mark - self.end_mark = end_mark - self.flow_style = flow_style - -class CollectionEndEvent(Event): - pass - -# Implementations. - -class StreamStartEvent(Event): - def __init__(self, start_mark=None, end_mark=None, encoding=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.encoding = encoding - -class StreamEndEvent(Event): - pass - -class DocumentStartEvent(Event): - def __init__(self, start_mark=None, end_mark=None, - explicit=None, version=None, tags=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.explicit = explicit - self.version = version - self.tags = tags - -class DocumentEndEvent(Event): - def __init__(self, start_mark=None, end_mark=None, - explicit=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.explicit = explicit - -class AliasEvent(NodeEvent): - pass - -class ScalarEvent(NodeEvent): - def __init__(self, anchor, tag, implicit, value, - start_mark=None, end_mark=None, style=None): - self.anchor = anchor - self.tag = tag - self.implicit = implicit - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - self.style = style - -class SequenceStartEvent(CollectionStartEvent): - pass - -class SequenceEndEvent(CollectionEndEvent): - pass - -class MappingStartEvent(CollectionStartEvent): - pass - -class MappingEndEvent(CollectionEndEvent): - pass - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/loader.py b/collectors/python.d.plugin/python_modules/pyyaml3/loader.py deleted file mode 100644 index 7ef6cf815..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/loader.py +++ /dev/null @@ -1,41 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseLoader', 'SafeLoader', 'Loader'] - -from .reader import * -from .scanner import * -from .parser import * -from .composer import * -from .constructor import * -from .resolver import * - -class BaseLoader(Reader, Scanner, Parser, Composer, BaseConstructor, BaseResolver): - - def __init__(self, stream): - Reader.__init__(self, stream) - Scanner.__init__(self) - Parser.__init__(self) - Composer.__init__(self) - BaseConstructor.__init__(self) - BaseResolver.__init__(self) - -class SafeLoader(Reader, Scanner, Parser, Composer, SafeConstructor, Resolver): - - def __init__(self, stream): - Reader.__init__(self, stream) - Scanner.__init__(self) - Parser.__init__(self) - Composer.__init__(self) - SafeConstructor.__init__(self) - Resolver.__init__(self) - -class Loader(Reader, Scanner, Parser, Composer, Constructor, Resolver): - - def __init__(self, stream): - Reader.__init__(self, stream) - Scanner.__init__(self) - Parser.__init__(self) - Composer.__init__(self) - Constructor.__init__(self) - Resolver.__init__(self) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/nodes.py b/collectors/python.d.plugin/python_modules/pyyaml3/nodes.py deleted file mode 100644 index ed2a1b43e..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/nodes.py +++ /dev/null @@ -1,50 +0,0 @@ -# SPDX-License-Identifier: MIT - -class Node(object): - def __init__(self, tag, value, start_mark, end_mark): - self.tag = tag - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - def __repr__(self): - value = self.value - #if isinstance(value, list): - # if len(value) == 0: - # value = '<empty>' - # elif len(value) == 1: - # value = '<1 item>' - # else: - # value = '<%d items>' % len(value) - #else: - # if len(value) > 75: - # value = repr(value[:70]+u' ... ') - # else: - # value = repr(value) - value = repr(value) - return '%s(tag=%r, value=%s)' % (self.__class__.__name__, self.tag, value) - -class ScalarNode(Node): - id = 'scalar' - def __init__(self, tag, value, - start_mark=None, end_mark=None, style=None): - self.tag = tag - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - self.style = style - -class CollectionNode(Node): - def __init__(self, tag, value, - start_mark=None, end_mark=None, flow_style=None): - self.tag = tag - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - self.flow_style = flow_style - -class SequenceNode(CollectionNode): - id = 'sequence' - -class MappingNode(CollectionNode): - id = 'mapping' - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/parser.py b/collectors/python.d.plugin/python_modules/pyyaml3/parser.py deleted file mode 100644 index bcec7f994..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/parser.py +++ /dev/null @@ -1,590 +0,0 @@ -# SPDX-License-Identifier: MIT - -# The following YAML grammar is LL(1) and is parsed by a recursive descent -# parser. -# -# stream ::= STREAM-START implicit_document? explicit_document* STREAM-END -# implicit_document ::= block_node DOCUMENT-END* -# explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* -# block_node_or_indentless_sequence ::= -# ALIAS -# | properties (block_content | indentless_block_sequence)? -# | block_content -# | indentless_block_sequence -# block_node ::= ALIAS -# | properties block_content? -# | block_content -# flow_node ::= ALIAS -# | properties flow_content? -# | flow_content -# properties ::= TAG ANCHOR? | ANCHOR TAG? -# block_content ::= block_collection | flow_collection | SCALAR -# flow_content ::= flow_collection | SCALAR -# block_collection ::= block_sequence | block_mapping -# flow_collection ::= flow_sequence | flow_mapping -# block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END -# indentless_sequence ::= (BLOCK-ENTRY block_node?)+ -# block_mapping ::= BLOCK-MAPPING_START -# ((KEY block_node_or_indentless_sequence?)? -# (VALUE block_node_or_indentless_sequence?)?)* -# BLOCK-END -# flow_sequence ::= FLOW-SEQUENCE-START -# (flow_sequence_entry FLOW-ENTRY)* -# flow_sequence_entry? -# FLOW-SEQUENCE-END -# flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? -# flow_mapping ::= FLOW-MAPPING-START -# (flow_mapping_entry FLOW-ENTRY)* -# flow_mapping_entry? -# FLOW-MAPPING-END -# flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? -# -# FIRST sets: -# -# stream: { STREAM-START } -# explicit_document: { DIRECTIVE DOCUMENT-START } -# implicit_document: FIRST(block_node) -# block_node: { ALIAS TAG ANCHOR SCALAR BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START } -# flow_node: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START } -# block_content: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR } -# flow_content: { FLOW-SEQUENCE-START FLOW-MAPPING-START SCALAR } -# block_collection: { BLOCK-SEQUENCE-START BLOCK-MAPPING-START } -# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START } -# block_sequence: { BLOCK-SEQUENCE-START } -# block_mapping: { BLOCK-MAPPING-START } -# block_node_or_indentless_sequence: { ALIAS ANCHOR TAG SCALAR BLOCK-SEQUENCE-START BLOCK-MAPPING-START FLOW-SEQUENCE-START FLOW-MAPPING-START BLOCK-ENTRY } -# indentless_sequence: { ENTRY } -# flow_collection: { FLOW-SEQUENCE-START FLOW-MAPPING-START } -# flow_sequence: { FLOW-SEQUENCE-START } -# flow_mapping: { FLOW-MAPPING-START } -# flow_sequence_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START KEY } -# flow_mapping_entry: { ALIAS ANCHOR TAG SCALAR FLOW-SEQUENCE-START FLOW-MAPPING-START KEY } - -__all__ = ['Parser', 'ParserError'] - -from .error import MarkedYAMLError -from .tokens import * -from .events import * -from .scanner import * - -class ParserError(MarkedYAMLError): - pass - -class Parser: - # Since writing a recursive-descendant parser is a straightforward task, we - # do not give many comments here. - - DEFAULT_TAGS = { - '!': '!', - '!!': 'tag:yaml.org,2002:', - } - - def __init__(self): - self.current_event = None - self.yaml_version = None - self.tag_handles = {} - self.states = [] - self.marks = [] - self.state = self.parse_stream_start - - def dispose(self): - # Reset the state attributes (to clear self-references) - self.states = [] - self.state = None - - def check_event(self, *choices): - # Check the type of the next event. - if self.current_event is None: - if self.state: - self.current_event = self.state() - if self.current_event is not None: - if not choices: - return True - for choice in choices: - if isinstance(self.current_event, choice): - return True - return False - - def peek_event(self): - # Get the next event. - if self.current_event is None: - if self.state: - self.current_event = self.state() - return self.current_event - - def get_event(self): - # Get the next event and proceed further. - if self.current_event is None: - if self.state: - self.current_event = self.state() - value = self.current_event - self.current_event = None - return value - - # stream ::= STREAM-START implicit_document? explicit_document* STREAM-END - # implicit_document ::= block_node DOCUMENT-END* - # explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* - - def parse_stream_start(self): - - # Parse the stream start. - token = self.get_token() - event = StreamStartEvent(token.start_mark, token.end_mark, - encoding=token.encoding) - - # Prepare the next state. - self.state = self.parse_implicit_document_start - - return event - - def parse_implicit_document_start(self): - - # Parse an implicit document. - if not self.check_token(DirectiveToken, DocumentStartToken, - StreamEndToken): - self.tag_handles = self.DEFAULT_TAGS - token = self.peek_token() - start_mark = end_mark = token.start_mark - event = DocumentStartEvent(start_mark, end_mark, - explicit=False) - - # Prepare the next state. - self.states.append(self.parse_document_end) - self.state = self.parse_block_node - - return event - - else: - return self.parse_document_start() - - def parse_document_start(self): - - # Parse any extra document end indicators. - while self.check_token(DocumentEndToken): - self.get_token() - - # Parse an explicit document. - if not self.check_token(StreamEndToken): - token = self.peek_token() - start_mark = token.start_mark - version, tags = self.process_directives() - if not self.check_token(DocumentStartToken): - raise ParserError(None, None, - "expected '<document start>', but found %r" - % self.peek_token().id, - self.peek_token().start_mark) - token = self.get_token() - end_mark = token.end_mark - event = DocumentStartEvent(start_mark, end_mark, - explicit=True, version=version, tags=tags) - self.states.append(self.parse_document_end) - self.state = self.parse_document_content - else: - # Parse the end of the stream. - token = self.get_token() - event = StreamEndEvent(token.start_mark, token.end_mark) - assert not self.states - assert not self.marks - self.state = None - return event - - def parse_document_end(self): - - # Parse the document end. - token = self.peek_token() - start_mark = end_mark = token.start_mark - explicit = False - if self.check_token(DocumentEndToken): - token = self.get_token() - end_mark = token.end_mark - explicit = True - event = DocumentEndEvent(start_mark, end_mark, - explicit=explicit) - - # Prepare the next state. - self.state = self.parse_document_start - - return event - - def parse_document_content(self): - if self.check_token(DirectiveToken, - DocumentStartToken, DocumentEndToken, StreamEndToken): - event = self.process_empty_scalar(self.peek_token().start_mark) - self.state = self.states.pop() - return event - else: - return self.parse_block_node() - - def process_directives(self): - self.yaml_version = None - self.tag_handles = {} - while self.check_token(DirectiveToken): - token = self.get_token() - if token.name == 'YAML': - if self.yaml_version is not None: - raise ParserError(None, None, - "found duplicate YAML directive", token.start_mark) - major, minor = token.value - if major != 1: - raise ParserError(None, None, - "found incompatible YAML document (version 1.* is required)", - token.start_mark) - self.yaml_version = token.value - elif token.name == 'TAG': - handle, prefix = token.value - if handle in self.tag_handles: - raise ParserError(None, None, - "duplicate tag handle %r" % handle, - token.start_mark) - self.tag_handles[handle] = prefix - if self.tag_handles: - value = self.yaml_version, self.tag_handles.copy() - else: - value = self.yaml_version, None - for key in self.DEFAULT_TAGS: - if key not in self.tag_handles: - self.tag_handles[key] = self.DEFAULT_TAGS[key] - return value - - # block_node_or_indentless_sequence ::= ALIAS - # | properties (block_content | indentless_block_sequence)? - # | block_content - # | indentless_block_sequence - # block_node ::= ALIAS - # | properties block_content? - # | block_content - # flow_node ::= ALIAS - # | properties flow_content? - # | flow_content - # properties ::= TAG ANCHOR? | ANCHOR TAG? - # block_content ::= block_collection | flow_collection | SCALAR - # flow_content ::= flow_collection | SCALAR - # block_collection ::= block_sequence | block_mapping - # flow_collection ::= flow_sequence | flow_mapping - - def parse_block_node(self): - return self.parse_node(block=True) - - def parse_flow_node(self): - return self.parse_node() - - def parse_block_node_or_indentless_sequence(self): - return self.parse_node(block=True, indentless_sequence=True) - - def parse_node(self, block=False, indentless_sequence=False): - if self.check_token(AliasToken): - token = self.get_token() - event = AliasEvent(token.value, token.start_mark, token.end_mark) - self.state = self.states.pop() - else: - anchor = None - tag = None - start_mark = end_mark = tag_mark = None - if self.check_token(AnchorToken): - token = self.get_token() - start_mark = token.start_mark - end_mark = token.end_mark - anchor = token.value - if self.check_token(TagToken): - token = self.get_token() - tag_mark = token.start_mark - end_mark = token.end_mark - tag = token.value - elif self.check_token(TagToken): - token = self.get_token() - start_mark = tag_mark = token.start_mark - end_mark = token.end_mark - tag = token.value - if self.check_token(AnchorToken): - token = self.get_token() - end_mark = token.end_mark - anchor = token.value - if tag is not None: - handle, suffix = tag - if handle is not None: - if handle not in self.tag_handles: - raise ParserError("while parsing a node", start_mark, - "found undefined tag handle %r" % handle, - tag_mark) - tag = self.tag_handles[handle]+suffix - else: - tag = suffix - #if tag == '!': - # raise ParserError("while parsing a node", start_mark, - # "found non-specific tag '!'", tag_mark, - # "Please check 'http://pyyaml.org/wiki/YAMLNonSpecificTag' and share your opinion.") - if start_mark is None: - start_mark = end_mark = self.peek_token().start_mark - event = None - implicit = (tag is None or tag == '!') - if indentless_sequence and self.check_token(BlockEntryToken): - end_mark = self.peek_token().end_mark - event = SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark) - self.state = self.parse_indentless_sequence_entry - else: - if self.check_token(ScalarToken): - token = self.get_token() - end_mark = token.end_mark - if (token.plain and tag is None) or tag == '!': - implicit = (True, False) - elif tag is None: - implicit = (False, True) - else: - implicit = (False, False) - event = ScalarEvent(anchor, tag, implicit, token.value, - start_mark, end_mark, style=token.style) - self.state = self.states.pop() - elif self.check_token(FlowSequenceStartToken): - end_mark = self.peek_token().end_mark - event = SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=True) - self.state = self.parse_flow_sequence_first_entry - elif self.check_token(FlowMappingStartToken): - end_mark = self.peek_token().end_mark - event = MappingStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=True) - self.state = self.parse_flow_mapping_first_key - elif block and self.check_token(BlockSequenceStartToken): - end_mark = self.peek_token().start_mark - event = SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=False) - self.state = self.parse_block_sequence_first_entry - elif block and self.check_token(BlockMappingStartToken): - end_mark = self.peek_token().start_mark - event = MappingStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style=False) - self.state = self.parse_block_mapping_first_key - elif anchor is not None or tag is not None: - # Empty scalars are allowed even if a tag or an anchor is - # specified. - event = ScalarEvent(anchor, tag, (implicit, False), '', - start_mark, end_mark) - self.state = self.states.pop() - else: - if block: - node = 'block' - else: - node = 'flow' - token = self.peek_token() - raise ParserError("while parsing a %s node" % node, start_mark, - "expected the node content, but found %r" % token.id, - token.start_mark) - return event - - # block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END - - def parse_block_sequence_first_entry(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_block_sequence_entry() - - def parse_block_sequence_entry(self): - if self.check_token(BlockEntryToken): - token = self.get_token() - if not self.check_token(BlockEntryToken, BlockEndToken): - self.states.append(self.parse_block_sequence_entry) - return self.parse_block_node() - else: - self.state = self.parse_block_sequence_entry - return self.process_empty_scalar(token.end_mark) - if not self.check_token(BlockEndToken): - token = self.peek_token() - raise ParserError("while parsing a block collection", self.marks[-1], - "expected <block end>, but found %r" % token.id, token.start_mark) - token = self.get_token() - event = SequenceEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - # indentless_sequence ::= (BLOCK-ENTRY block_node?)+ - - def parse_indentless_sequence_entry(self): - if self.check_token(BlockEntryToken): - token = self.get_token() - if not self.check_token(BlockEntryToken, - KeyToken, ValueToken, BlockEndToken): - self.states.append(self.parse_indentless_sequence_entry) - return self.parse_block_node() - else: - self.state = self.parse_indentless_sequence_entry - return self.process_empty_scalar(token.end_mark) - token = self.peek_token() - event = SequenceEndEvent(token.start_mark, token.start_mark) - self.state = self.states.pop() - return event - - # block_mapping ::= BLOCK-MAPPING_START - # ((KEY block_node_or_indentless_sequence?)? - # (VALUE block_node_or_indentless_sequence?)?)* - # BLOCK-END - - def parse_block_mapping_first_key(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_block_mapping_key() - - def parse_block_mapping_key(self): - if self.check_token(KeyToken): - token = self.get_token() - if not self.check_token(KeyToken, ValueToken, BlockEndToken): - self.states.append(self.parse_block_mapping_value) - return self.parse_block_node_or_indentless_sequence() - else: - self.state = self.parse_block_mapping_value - return self.process_empty_scalar(token.end_mark) - if not self.check_token(BlockEndToken): - token = self.peek_token() - raise ParserError("while parsing a block mapping", self.marks[-1], - "expected <block end>, but found %r" % token.id, token.start_mark) - token = self.get_token() - event = MappingEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - def parse_block_mapping_value(self): - if self.check_token(ValueToken): - token = self.get_token() - if not self.check_token(KeyToken, ValueToken, BlockEndToken): - self.states.append(self.parse_block_mapping_key) - return self.parse_block_node_or_indentless_sequence() - else: - self.state = self.parse_block_mapping_key - return self.process_empty_scalar(token.end_mark) - else: - self.state = self.parse_block_mapping_key - token = self.peek_token() - return self.process_empty_scalar(token.start_mark) - - # flow_sequence ::= FLOW-SEQUENCE-START - # (flow_sequence_entry FLOW-ENTRY)* - # flow_sequence_entry? - # FLOW-SEQUENCE-END - # flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - # - # Note that while production rules for both flow_sequence_entry and - # flow_mapping_entry are equal, their interpretations are different. - # For `flow_sequence_entry`, the part `KEY flow_node? (VALUE flow_node?)?` - # generate an inline mapping (set syntax). - - def parse_flow_sequence_first_entry(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_flow_sequence_entry(first=True) - - def parse_flow_sequence_entry(self, first=False): - if not self.check_token(FlowSequenceEndToken): - if not first: - if self.check_token(FlowEntryToken): - self.get_token() - else: - token = self.peek_token() - raise ParserError("while parsing a flow sequence", self.marks[-1], - "expected ',' or ']', but got %r" % token.id, token.start_mark) - - if self.check_token(KeyToken): - token = self.peek_token() - event = MappingStartEvent(None, None, True, - token.start_mark, token.end_mark, - flow_style=True) - self.state = self.parse_flow_sequence_entry_mapping_key - return event - elif not self.check_token(FlowSequenceEndToken): - self.states.append(self.parse_flow_sequence_entry) - return self.parse_flow_node() - token = self.get_token() - event = SequenceEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - def parse_flow_sequence_entry_mapping_key(self): - token = self.get_token() - if not self.check_token(ValueToken, - FlowEntryToken, FlowSequenceEndToken): - self.states.append(self.parse_flow_sequence_entry_mapping_value) - return self.parse_flow_node() - else: - self.state = self.parse_flow_sequence_entry_mapping_value - return self.process_empty_scalar(token.end_mark) - - def parse_flow_sequence_entry_mapping_value(self): - if self.check_token(ValueToken): - token = self.get_token() - if not self.check_token(FlowEntryToken, FlowSequenceEndToken): - self.states.append(self.parse_flow_sequence_entry_mapping_end) - return self.parse_flow_node() - else: - self.state = self.parse_flow_sequence_entry_mapping_end - return self.process_empty_scalar(token.end_mark) - else: - self.state = self.parse_flow_sequence_entry_mapping_end - token = self.peek_token() - return self.process_empty_scalar(token.start_mark) - - def parse_flow_sequence_entry_mapping_end(self): - self.state = self.parse_flow_sequence_entry - token = self.peek_token() - return MappingEndEvent(token.start_mark, token.start_mark) - - # flow_mapping ::= FLOW-MAPPING-START - # (flow_mapping_entry FLOW-ENTRY)* - # flow_mapping_entry? - # FLOW-MAPPING-END - # flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - - def parse_flow_mapping_first_key(self): - token = self.get_token() - self.marks.append(token.start_mark) - return self.parse_flow_mapping_key(first=True) - - def parse_flow_mapping_key(self, first=False): - if not self.check_token(FlowMappingEndToken): - if not first: - if self.check_token(FlowEntryToken): - self.get_token() - else: - token = self.peek_token() - raise ParserError("while parsing a flow mapping", self.marks[-1], - "expected ',' or '}', but got %r" % token.id, token.start_mark) - if self.check_token(KeyToken): - token = self.get_token() - if not self.check_token(ValueToken, - FlowEntryToken, FlowMappingEndToken): - self.states.append(self.parse_flow_mapping_value) - return self.parse_flow_node() - else: - self.state = self.parse_flow_mapping_value - return self.process_empty_scalar(token.end_mark) - elif not self.check_token(FlowMappingEndToken): - self.states.append(self.parse_flow_mapping_empty_value) - return self.parse_flow_node() - token = self.get_token() - event = MappingEndEvent(token.start_mark, token.end_mark) - self.state = self.states.pop() - self.marks.pop() - return event - - def parse_flow_mapping_value(self): - if self.check_token(ValueToken): - token = self.get_token() - if not self.check_token(FlowEntryToken, FlowMappingEndToken): - self.states.append(self.parse_flow_mapping_key) - return self.parse_flow_node() - else: - self.state = self.parse_flow_mapping_key - return self.process_empty_scalar(token.end_mark) - else: - self.state = self.parse_flow_mapping_key - token = self.peek_token() - return self.process_empty_scalar(token.start_mark) - - def parse_flow_mapping_empty_value(self): - self.state = self.parse_flow_mapping_key - return self.process_empty_scalar(self.peek_token().start_mark) - - def process_empty_scalar(self, mark): - return ScalarEvent(None, None, (True, False), '', mark, mark) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/reader.py b/collectors/python.d.plugin/python_modules/pyyaml3/reader.py deleted file mode 100644 index 0a515fd64..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/reader.py +++ /dev/null @@ -1,193 +0,0 @@ -# SPDX-License-Identifier: MIT -# This module contains abstractions for the input stream. You don't have to -# looks further, there are no pretty code. -# -# We define two classes here. -# -# Mark(source, line, column) -# It's just a record and its only use is producing nice error messages. -# Parser does not use it for any other purposes. -# -# Reader(source, data) -# Reader determines the encoding of `data` and converts it to unicode. -# Reader provides the following methods and attributes: -# reader.peek(length=1) - return the next `length` characters -# reader.forward(length=1) - move the current position to `length` characters. -# reader.index - the number of the current character. -# reader.line, stream.column - the line and the column of the current character. - -__all__ = ['Reader', 'ReaderError'] - -from .error import YAMLError, Mark - -import codecs, re - -class ReaderError(YAMLError): - - def __init__(self, name, position, character, encoding, reason): - self.name = name - self.character = character - self.position = position - self.encoding = encoding - self.reason = reason - - def __str__(self): - if isinstance(self.character, bytes): - return "'%s' codec can't decode byte #x%02x: %s\n" \ - " in \"%s\", position %d" \ - % (self.encoding, ord(self.character), self.reason, - self.name, self.position) - else: - return "unacceptable character #x%04x: %s\n" \ - " in \"%s\", position %d" \ - % (self.character, self.reason, - self.name, self.position) - -class Reader(object): - # Reader: - # - determines the data encoding and converts it to a unicode string, - # - checks if characters are in allowed range, - # - adds '\0' to the end. - - # Reader accepts - # - a `bytes` object, - # - a `str` object, - # - a file-like object with its `read` method returning `str`, - # - a file-like object with its `read` method returning `unicode`. - - # Yeah, it's ugly and slow. - - def __init__(self, stream): - self.name = None - self.stream = None - self.stream_pointer = 0 - self.eof = True - self.buffer = '' - self.pointer = 0 - self.raw_buffer = None - self.raw_decode = None - self.encoding = None - self.index = 0 - self.line = 0 - self.column = 0 - if isinstance(stream, str): - self.name = "<unicode string>" - self.check_printable(stream) - self.buffer = stream+'\0' - elif isinstance(stream, bytes): - self.name = "<byte string>" - self.raw_buffer = stream - self.determine_encoding() - else: - self.stream = stream - self.name = getattr(stream, 'name', "<file>") - self.eof = False - self.raw_buffer = None - self.determine_encoding() - - def peek(self, index=0): - try: - return self.buffer[self.pointer+index] - except IndexError: - self.update(index+1) - return self.buffer[self.pointer+index] - - def prefix(self, length=1): - if self.pointer+length >= len(self.buffer): - self.update(length) - return self.buffer[self.pointer:self.pointer+length] - - def forward(self, length=1): - if self.pointer+length+1 >= len(self.buffer): - self.update(length+1) - while length: - ch = self.buffer[self.pointer] - self.pointer += 1 - self.index += 1 - if ch in '\n\x85\u2028\u2029' \ - or (ch == '\r' and self.buffer[self.pointer] != '\n'): - self.line += 1 - self.column = 0 - elif ch != '\uFEFF': - self.column += 1 - length -= 1 - - def get_mark(self): - if self.stream is None: - return Mark(self.name, self.index, self.line, self.column, - self.buffer, self.pointer) - else: - return Mark(self.name, self.index, self.line, self.column, - None, None) - - def determine_encoding(self): - while not self.eof and (self.raw_buffer is None or len(self.raw_buffer) < 2): - self.update_raw() - if isinstance(self.raw_buffer, bytes): - if self.raw_buffer.startswith(codecs.BOM_UTF16_LE): - self.raw_decode = codecs.utf_16_le_decode - self.encoding = 'utf-16-le' - elif self.raw_buffer.startswith(codecs.BOM_UTF16_BE): - self.raw_decode = codecs.utf_16_be_decode - self.encoding = 'utf-16-be' - else: - self.raw_decode = codecs.utf_8_decode - self.encoding = 'utf-8' - self.update(1) - - NON_PRINTABLE = re.compile('[^\x09\x0A\x0D\x20-\x7E\x85\xA0-\uD7FF\uE000-\uFFFD]') - def check_printable(self, data): - match = self.NON_PRINTABLE.search(data) - if match: - character = match.group() - position = self.index+(len(self.buffer)-self.pointer)+match.start() - raise ReaderError(self.name, position, ord(character), - 'unicode', "special characters are not allowed") - - def update(self, length): - if self.raw_buffer is None: - return - self.buffer = self.buffer[self.pointer:] - self.pointer = 0 - while len(self.buffer) < length: - if not self.eof: - self.update_raw() - if self.raw_decode is not None: - try: - data, converted = self.raw_decode(self.raw_buffer, - 'strict', self.eof) - except UnicodeDecodeError as exc: - character = self.raw_buffer[exc.start] - if self.stream is not None: - position = self.stream_pointer-len(self.raw_buffer)+exc.start - else: - position = exc.start - raise ReaderError(self.name, position, character, - exc.encoding, exc.reason) - else: - data = self.raw_buffer - converted = len(data) - self.check_printable(data) - self.buffer += data - self.raw_buffer = self.raw_buffer[converted:] - if self.eof: - self.buffer += '\0' - self.raw_buffer = None - break - - def update_raw(self, size=4096): - data = self.stream.read(size) - if self.raw_buffer is None: - self.raw_buffer = data - else: - self.raw_buffer += data - self.stream_pointer += len(data) - if not data: - self.eof = True - -#try: -# import psyco -# psyco.bind(Reader) -#except ImportError: -# pass - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/representer.py b/collectors/python.d.plugin/python_modules/pyyaml3/representer.py deleted file mode 100644 index 756a18dcc..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/representer.py +++ /dev/null @@ -1,375 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseRepresenter', 'SafeRepresenter', 'Representer', - 'RepresenterError'] - -from .error import * -from .nodes import * - -import datetime, sys, copyreg, types, base64 - -class RepresenterError(YAMLError): - pass - -class BaseRepresenter: - - yaml_representers = {} - yaml_multi_representers = {} - - def __init__(self, default_style=None, default_flow_style=None): - self.default_style = default_style - self.default_flow_style = default_flow_style - self.represented_objects = {} - self.object_keeper = [] - self.alias_key = None - - def represent(self, data): - node = self.represent_data(data) - self.serialize(node) - self.represented_objects = {} - self.object_keeper = [] - self.alias_key = None - - def represent_data(self, data): - if self.ignore_aliases(data): - self.alias_key = None - else: - self.alias_key = id(data) - if self.alias_key is not None: - if self.alias_key in self.represented_objects: - node = self.represented_objects[self.alias_key] - #if node is None: - # raise RepresenterError("recursive objects are not allowed: %r" % data) - return node - #self.represented_objects[alias_key] = None - self.object_keeper.append(data) - data_types = type(data).__mro__ - if data_types[0] in self.yaml_representers: - node = self.yaml_representers[data_types[0]](self, data) - else: - for data_type in data_types: - if data_type in self.yaml_multi_representers: - node = self.yaml_multi_representers[data_type](self, data) - break - else: - if None in self.yaml_multi_representers: - node = self.yaml_multi_representers[None](self, data) - elif None in self.yaml_representers: - node = self.yaml_representers[None](self, data) - else: - node = ScalarNode(None, str(data)) - #if alias_key is not None: - # self.represented_objects[alias_key] = node - return node - - @classmethod - def add_representer(cls, data_type, representer): - if not 'yaml_representers' in cls.__dict__: - cls.yaml_representers = cls.yaml_representers.copy() - cls.yaml_representers[data_type] = representer - - @classmethod - def add_multi_representer(cls, data_type, representer): - if not 'yaml_multi_representers' in cls.__dict__: - cls.yaml_multi_representers = cls.yaml_multi_representers.copy() - cls.yaml_multi_representers[data_type] = representer - - def represent_scalar(self, tag, value, style=None): - if style is None: - style = self.default_style - node = ScalarNode(tag, value, style=style) - if self.alias_key is not None: - self.represented_objects[self.alias_key] = node - return node - - def represent_sequence(self, tag, sequence, flow_style=None): - value = [] - node = SequenceNode(tag, value, flow_style=flow_style) - if self.alias_key is not None: - self.represented_objects[self.alias_key] = node - best_style = True - for item in sequence: - node_item = self.represent_data(item) - if not (isinstance(node_item, ScalarNode) and not node_item.style): - best_style = False - value.append(node_item) - if flow_style is None: - if self.default_flow_style is not None: - node.flow_style = self.default_flow_style - else: - node.flow_style = best_style - return node - - def represent_mapping(self, tag, mapping, flow_style=None): - value = [] - node = MappingNode(tag, value, flow_style=flow_style) - if self.alias_key is not None: - self.represented_objects[self.alias_key] = node - best_style = True - if hasattr(mapping, 'items'): - mapping = list(mapping.items()) - try: - mapping = sorted(mapping) - except TypeError: - pass - for item_key, item_value in mapping: - node_key = self.represent_data(item_key) - node_value = self.represent_data(item_value) - if not (isinstance(node_key, ScalarNode) and not node_key.style): - best_style = False - if not (isinstance(node_value, ScalarNode) and not node_value.style): - best_style = False - value.append((node_key, node_value)) - if flow_style is None: - if self.default_flow_style is not None: - node.flow_style = self.default_flow_style - else: - node.flow_style = best_style - return node - - def ignore_aliases(self, data): - return False - -class SafeRepresenter(BaseRepresenter): - - def ignore_aliases(self, data): - if data in [None, ()]: - return True - if isinstance(data, (str, bytes, bool, int, float)): - return True - - def represent_none(self, data): - return self.represent_scalar('tag:yaml.org,2002:null', 'null') - - def represent_str(self, data): - return self.represent_scalar('tag:yaml.org,2002:str', data) - - def represent_binary(self, data): - if hasattr(base64, 'encodebytes'): - data = base64.encodebytes(data).decode('ascii') - else: - data = base64.encodestring(data).decode('ascii') - return self.represent_scalar('tag:yaml.org,2002:binary', data, style='|') - - def represent_bool(self, data): - if data: - value = 'true' - else: - value = 'false' - return self.represent_scalar('tag:yaml.org,2002:bool', value) - - def represent_int(self, data): - return self.represent_scalar('tag:yaml.org,2002:int', str(data)) - - inf_value = 1e300 - while repr(inf_value) != repr(inf_value*inf_value): - inf_value *= inf_value - - def represent_float(self, data): - if data != data or (data == 0.0 and data == 1.0): - value = '.nan' - elif data == self.inf_value: - value = '.inf' - elif data == -self.inf_value: - value = '-.inf' - else: - value = repr(data).lower() - # Note that in some cases `repr(data)` represents a float number - # without the decimal parts. For instance: - # >>> repr(1e17) - # '1e17' - # Unfortunately, this is not a valid float representation according - # to the definition of the `!!float` tag. We fix this by adding - # '.0' before the 'e' symbol. - if '.' not in value and 'e' in value: - value = value.replace('e', '.0e', 1) - return self.represent_scalar('tag:yaml.org,2002:float', value) - - def represent_list(self, data): - #pairs = (len(data) > 0 and isinstance(data, list)) - #if pairs: - # for item in data: - # if not isinstance(item, tuple) or len(item) != 2: - # pairs = False - # break - #if not pairs: - return self.represent_sequence('tag:yaml.org,2002:seq', data) - #value = [] - #for item_key, item_value in data: - # value.append(self.represent_mapping(u'tag:yaml.org,2002:map', - # [(item_key, item_value)])) - #return SequenceNode(u'tag:yaml.org,2002:pairs', value) - - def represent_dict(self, data): - return self.represent_mapping('tag:yaml.org,2002:map', data) - - def represent_set(self, data): - value = {} - for key in data: - value[key] = None - return self.represent_mapping('tag:yaml.org,2002:set', value) - - def represent_date(self, data): - value = data.isoformat() - return self.represent_scalar('tag:yaml.org,2002:timestamp', value) - - def represent_datetime(self, data): - value = data.isoformat(' ') - return self.represent_scalar('tag:yaml.org,2002:timestamp', value) - - def represent_yaml_object(self, tag, data, cls, flow_style=None): - if hasattr(data, '__getstate__'): - state = data.__getstate__() - else: - state = data.__dict__.copy() - return self.represent_mapping(tag, state, flow_style=flow_style) - - def represent_undefined(self, data): - raise RepresenterError("cannot represent an object: %s" % data) - -SafeRepresenter.add_representer(type(None), - SafeRepresenter.represent_none) - -SafeRepresenter.add_representer(str, - SafeRepresenter.represent_str) - -SafeRepresenter.add_representer(bytes, - SafeRepresenter.represent_binary) - -SafeRepresenter.add_representer(bool, - SafeRepresenter.represent_bool) - -SafeRepresenter.add_representer(int, - SafeRepresenter.represent_int) - -SafeRepresenter.add_representer(float, - SafeRepresenter.represent_float) - -SafeRepresenter.add_representer(list, - SafeRepresenter.represent_list) - -SafeRepresenter.add_representer(tuple, - SafeRepresenter.represent_list) - -SafeRepresenter.add_representer(dict, - SafeRepresenter.represent_dict) - -SafeRepresenter.add_representer(set, - SafeRepresenter.represent_set) - -SafeRepresenter.add_representer(datetime.date, - SafeRepresenter.represent_date) - -SafeRepresenter.add_representer(datetime.datetime, - SafeRepresenter.represent_datetime) - -SafeRepresenter.add_representer(None, - SafeRepresenter.represent_undefined) - -class Representer(SafeRepresenter): - - def represent_complex(self, data): - if data.imag == 0.0: - data = '%r' % data.real - elif data.real == 0.0: - data = '%rj' % data.imag - elif data.imag > 0: - data = '%r+%rj' % (data.real, data.imag) - else: - data = '%r%rj' % (data.real, data.imag) - return self.represent_scalar('tag:yaml.org,2002:python/complex', data) - - def represent_tuple(self, data): - return self.represent_sequence('tag:yaml.org,2002:python/tuple', data) - - def represent_name(self, data): - name = '%s.%s' % (data.__module__, data.__name__) - return self.represent_scalar('tag:yaml.org,2002:python/name:'+name, '') - - def represent_module(self, data): - return self.represent_scalar( - 'tag:yaml.org,2002:python/module:'+data.__name__, '') - - def represent_object(self, data): - # We use __reduce__ API to save the data. data.__reduce__ returns - # a tuple of length 2-5: - # (function, args, state, listitems, dictitems) - - # For reconstructing, we calls function(*args), then set its state, - # listitems, and dictitems if they are not None. - - # A special case is when function.__name__ == '__newobj__'. In this - # case we create the object with args[0].__new__(*args). - - # Another special case is when __reduce__ returns a string - we don't - # support it. - - # We produce a !!python/object, !!python/object/new or - # !!python/object/apply node. - - cls = type(data) - if cls in copyreg.dispatch_table: - reduce = copyreg.dispatch_table[cls](data) - elif hasattr(data, '__reduce_ex__'): - reduce = data.__reduce_ex__(2) - elif hasattr(data, '__reduce__'): - reduce = data.__reduce__() - else: - raise RepresenterError("cannot represent object: %r" % data) - reduce = (list(reduce)+[None]*5)[:5] - function, args, state, listitems, dictitems = reduce - args = list(args) - if state is None: - state = {} - if listitems is not None: - listitems = list(listitems) - if dictitems is not None: - dictitems = dict(dictitems) - if function.__name__ == '__newobj__': - function = args[0] - args = args[1:] - tag = 'tag:yaml.org,2002:python/object/new:' - newobj = True - else: - tag = 'tag:yaml.org,2002:python/object/apply:' - newobj = False - function_name = '%s.%s' % (function.__module__, function.__name__) - if not args and not listitems and not dictitems \ - and isinstance(state, dict) and newobj: - return self.represent_mapping( - 'tag:yaml.org,2002:python/object:'+function_name, state) - if not listitems and not dictitems \ - and isinstance(state, dict) and not state: - return self.represent_sequence(tag+function_name, args) - value = {} - if args: - value['args'] = args - if state or not isinstance(state, dict): - value['state'] = state - if listitems: - value['listitems'] = listitems - if dictitems: - value['dictitems'] = dictitems - return self.represent_mapping(tag+function_name, value) - -Representer.add_representer(complex, - Representer.represent_complex) - -Representer.add_representer(tuple, - Representer.represent_tuple) - -Representer.add_representer(type, - Representer.represent_name) - -Representer.add_representer(types.FunctionType, - Representer.represent_name) - -Representer.add_representer(types.BuiltinFunctionType, - Representer.represent_name) - -Representer.add_representer(types.ModuleType, - Representer.represent_module) - -Representer.add_multi_representer(object, - Representer.represent_object) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/resolver.py b/collectors/python.d.plugin/python_modules/pyyaml3/resolver.py deleted file mode 100644 index 50945e04d..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/resolver.py +++ /dev/null @@ -1,225 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['BaseResolver', 'Resolver'] - -from .error import * -from .nodes import * - -import re - -class ResolverError(YAMLError): - pass - -class BaseResolver: - - DEFAULT_SCALAR_TAG = 'tag:yaml.org,2002:str' - DEFAULT_SEQUENCE_TAG = 'tag:yaml.org,2002:seq' - DEFAULT_MAPPING_TAG = 'tag:yaml.org,2002:map' - - yaml_implicit_resolvers = {} - yaml_path_resolvers = {} - - def __init__(self): - self.resolver_exact_paths = [] - self.resolver_prefix_paths = [] - - @classmethod - def add_implicit_resolver(cls, tag, regexp, first): - if not 'yaml_implicit_resolvers' in cls.__dict__: - cls.yaml_implicit_resolvers = cls.yaml_implicit_resolvers.copy() - if first is None: - first = [None] - for ch in first: - cls.yaml_implicit_resolvers.setdefault(ch, []).append((tag, regexp)) - - @classmethod - def add_path_resolver(cls, tag, path, kind=None): - # Note: `add_path_resolver` is experimental. The API could be changed. - # `new_path` is a pattern that is matched against the path from the - # root to the node that is being considered. `node_path` elements are - # tuples `(node_check, index_check)`. `node_check` is a node class: - # `ScalarNode`, `SequenceNode`, `MappingNode` or `None`. `None` - # matches any kind of a node. `index_check` could be `None`, a boolean - # value, a string value, or a number. `None` and `False` match against - # any _value_ of sequence and mapping nodes. `True` matches against - # any _key_ of a mapping node. A string `index_check` matches against - # a mapping value that corresponds to a scalar key which content is - # equal to the `index_check` value. An integer `index_check` matches - # against a sequence value with the index equal to `index_check`. - if not 'yaml_path_resolvers' in cls.__dict__: - cls.yaml_path_resolvers = cls.yaml_path_resolvers.copy() - new_path = [] - for element in path: - if isinstance(element, (list, tuple)): - if len(element) == 2: - node_check, index_check = element - elif len(element) == 1: - node_check = element[0] - index_check = True - else: - raise ResolverError("Invalid path element: %s" % element) - else: - node_check = None - index_check = element - if node_check is str: - node_check = ScalarNode - elif node_check is list: - node_check = SequenceNode - elif node_check is dict: - node_check = MappingNode - elif node_check not in [ScalarNode, SequenceNode, MappingNode] \ - and not isinstance(node_check, str) \ - and node_check is not None: - raise ResolverError("Invalid node checker: %s" % node_check) - if not isinstance(index_check, (str, int)) \ - and index_check is not None: - raise ResolverError("Invalid index checker: %s" % index_check) - new_path.append((node_check, index_check)) - if kind is str: - kind = ScalarNode - elif kind is list: - kind = SequenceNode - elif kind is dict: - kind = MappingNode - elif kind not in [ScalarNode, SequenceNode, MappingNode] \ - and kind is not None: - raise ResolverError("Invalid node kind: %s" % kind) - cls.yaml_path_resolvers[tuple(new_path), kind] = tag - - def descend_resolver(self, current_node, current_index): - if not self.yaml_path_resolvers: - return - exact_paths = {} - prefix_paths = [] - if current_node: - depth = len(self.resolver_prefix_paths) - for path, kind in self.resolver_prefix_paths[-1]: - if self.check_resolver_prefix(depth, path, kind, - current_node, current_index): - if len(path) > depth: - prefix_paths.append((path, kind)) - else: - exact_paths[kind] = self.yaml_path_resolvers[path, kind] - else: - for path, kind in self.yaml_path_resolvers: - if not path: - exact_paths[kind] = self.yaml_path_resolvers[path, kind] - else: - prefix_paths.append((path, kind)) - self.resolver_exact_paths.append(exact_paths) - self.resolver_prefix_paths.append(prefix_paths) - - def ascend_resolver(self): - if not self.yaml_path_resolvers: - return - self.resolver_exact_paths.pop() - self.resolver_prefix_paths.pop() - - def check_resolver_prefix(self, depth, path, kind, - current_node, current_index): - node_check, index_check = path[depth-1] - if isinstance(node_check, str): - if current_node.tag != node_check: - return - elif node_check is not None: - if not isinstance(current_node, node_check): - return - if index_check is True and current_index is not None: - return - if (index_check is False or index_check is None) \ - and current_index is None: - return - if isinstance(index_check, str): - if not (isinstance(current_index, ScalarNode) - and index_check == current_index.value): - return - elif isinstance(index_check, int) and not isinstance(index_check, bool): - if index_check != current_index: - return - return True - - def resolve(self, kind, value, implicit): - if kind is ScalarNode and implicit[0]: - if value == '': - resolvers = self.yaml_implicit_resolvers.get('', []) - else: - resolvers = self.yaml_implicit_resolvers.get(value[0], []) - resolvers += self.yaml_implicit_resolvers.get(None, []) - for tag, regexp in resolvers: - if regexp.match(value): - return tag - implicit = implicit[1] - if self.yaml_path_resolvers: - exact_paths = self.resolver_exact_paths[-1] - if kind in exact_paths: - return exact_paths[kind] - if None in exact_paths: - return exact_paths[None] - if kind is ScalarNode: - return self.DEFAULT_SCALAR_TAG - elif kind is SequenceNode: - return self.DEFAULT_SEQUENCE_TAG - elif kind is MappingNode: - return self.DEFAULT_MAPPING_TAG - -class Resolver(BaseResolver): - pass - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:bool', - re.compile(r'''^(?:yes|Yes|YES|no|No|NO - |true|True|TRUE|false|False|FALSE - |on|On|ON|off|Off|OFF)$''', re.X), - list('yYnNtTfFoO')) - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:float', - re.compile(r'''^(?:[-+]?(?:[0-9][0-9_]*)\.[0-9_]*(?:[eE][-+][0-9]+)? - |\.[0-9_]+(?:[eE][-+][0-9]+)? - |[-+]?[0-9][0-9_]*(?::[0-5]?[0-9])+\.[0-9_]* - |[-+]?\.(?:inf|Inf|INF) - |\.(?:nan|NaN|NAN))$''', re.X), - list('-+0123456789.')) - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:int', - re.compile(r'''^(?:[-+]?0b[0-1_]+ - |[-+]?0[0-7_]+ - |[-+]?(?:0|[1-9][0-9_]*) - |[-+]?0x[0-9a-fA-F_]+ - |[-+]?[1-9][0-9_]*(?::[0-5]?[0-9])+)$''', re.X), - list('-+0123456789')) - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:merge', - re.compile(r'^(?:<<)$'), - ['<']) - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:null', - re.compile(r'''^(?: ~ - |null|Null|NULL - | )$''', re.X), - ['~', 'n', 'N', '']) - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:timestamp', - re.compile(r'''^(?:[0-9][0-9][0-9][0-9]-[0-9][0-9]-[0-9][0-9] - |[0-9][0-9][0-9][0-9] -[0-9][0-9]? -[0-9][0-9]? - (?:[Tt]|[ \t]+)[0-9][0-9]? - :[0-9][0-9] :[0-9][0-9] (?:\.[0-9]*)? - (?:[ \t]*(?:Z|[-+][0-9][0-9]?(?::[0-9][0-9])?))?)$''', re.X), - list('0123456789')) - -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:value', - re.compile(r'^(?:=)$'), - ['=']) - -# The following resolver is only for documentation purposes. It cannot work -# because plain scalars cannot start with '!', '&', or '*'. -Resolver.add_implicit_resolver( - 'tag:yaml.org,2002:yaml', - re.compile(r'^(?:!|&|\*)$'), - list('!&*')) - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/scanner.py b/collectors/python.d.plugin/python_modules/pyyaml3/scanner.py deleted file mode 100644 index b55854e8b..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/scanner.py +++ /dev/null @@ -1,1449 +0,0 @@ -# SPDX-License-Identifier: MIT - -# Scanner produces tokens of the following types: -# STREAM-START -# STREAM-END -# DIRECTIVE(name, value) -# DOCUMENT-START -# DOCUMENT-END -# BLOCK-SEQUENCE-START -# BLOCK-MAPPING-START -# BLOCK-END -# FLOW-SEQUENCE-START -# FLOW-MAPPING-START -# FLOW-SEQUENCE-END -# FLOW-MAPPING-END -# BLOCK-ENTRY -# FLOW-ENTRY -# KEY -# VALUE -# ALIAS(value) -# ANCHOR(value) -# TAG(value) -# SCALAR(value, plain, style) -# -# Read comments in the Scanner code for more details. -# - -__all__ = ['Scanner', 'ScannerError'] - -from .error import MarkedYAMLError -from .tokens import * - -class ScannerError(MarkedYAMLError): - pass - -class SimpleKey: - # See below simple keys treatment. - - def __init__(self, token_number, required, index, line, column, mark): - self.token_number = token_number - self.required = required - self.index = index - self.line = line - self.column = column - self.mark = mark - -class Scanner: - - def __init__(self): - """Initialize the scanner.""" - # It is assumed that Scanner and Reader will have a common descendant. - # Reader do the dirty work of checking for BOM and converting the - # input data to Unicode. It also adds NUL to the end. - # - # Reader supports the following methods - # self.peek(i=0) # peek the next i-th character - # self.prefix(l=1) # peek the next l characters - # self.forward(l=1) # read the next l characters and move the pointer. - - # Had we reached the end of the stream? - self.done = False - - # The number of unclosed '{' and '['. `flow_level == 0` means block - # context. - self.flow_level = 0 - - # List of processed tokens that are not yet emitted. - self.tokens = [] - - # Add the STREAM-START token. - self.fetch_stream_start() - - # Number of tokens that were emitted through the `get_token` method. - self.tokens_taken = 0 - - # The current indentation level. - self.indent = -1 - - # Past indentation levels. - self.indents = [] - - # Variables related to simple keys treatment. - - # A simple key is a key that is not denoted by the '?' indicator. - # Example of simple keys: - # --- - # block simple key: value - # ? not a simple key: - # : { flow simple key: value } - # We emit the KEY token before all keys, so when we find a potential - # simple key, we try to locate the corresponding ':' indicator. - # Simple keys should be limited to a single line and 1024 characters. - - # Can a simple key start at the current position? A simple key may - # start: - # - at the beginning of the line, not counting indentation spaces - # (in block context), - # - after '{', '[', ',' (in the flow context), - # - after '?', ':', '-' (in the block context). - # In the block context, this flag also signifies if a block collection - # may start at the current position. - self.allow_simple_key = True - - # Keep track of possible simple keys. This is a dictionary. The key - # is `flow_level`; there can be no more that one possible simple key - # for each level. The value is a SimpleKey record: - # (token_number, required, index, line, column, mark) - # A simple key may start with ALIAS, ANCHOR, TAG, SCALAR(flow), - # '[', or '{' tokens. - self.possible_simple_keys = {} - - # Public methods. - - def check_token(self, *choices): - # Check if the next token is one of the given types. - while self.need_more_tokens(): - self.fetch_more_tokens() - if self.tokens: - if not choices: - return True - for choice in choices: - if isinstance(self.tokens[0], choice): - return True - return False - - def peek_token(self): - # Return the next token, but do not delete if from the queue. - while self.need_more_tokens(): - self.fetch_more_tokens() - if self.tokens: - return self.tokens[0] - - def get_token(self): - # Return the next token. - while self.need_more_tokens(): - self.fetch_more_tokens() - if self.tokens: - self.tokens_taken += 1 - return self.tokens.pop(0) - - # Private methods. - - def need_more_tokens(self): - if self.done: - return False - if not self.tokens: - return True - # The current token may be a potential simple key, so we - # need to look further. - self.stale_possible_simple_keys() - if self.next_possible_simple_key() == self.tokens_taken: - return True - - def fetch_more_tokens(self): - - # Eat whitespaces and comments until we reach the next token. - self.scan_to_next_token() - - # Remove obsolete possible simple keys. - self.stale_possible_simple_keys() - - # Compare the current indentation and column. It may add some tokens - # and decrease the current indentation level. - self.unwind_indent(self.column) - - # Peek the next character. - ch = self.peek() - - # Is it the end of stream? - if ch == '\0': - return self.fetch_stream_end() - - # Is it a directive? - if ch == '%' and self.check_directive(): - return self.fetch_directive() - - # Is it the document start? - if ch == '-' and self.check_document_start(): - return self.fetch_document_start() - - # Is it the document end? - if ch == '.' and self.check_document_end(): - return self.fetch_document_end() - - # TODO: support for BOM within a stream. - #if ch == '\uFEFF': - # return self.fetch_bom() <-- issue BOMToken - - # Note: the order of the following checks is NOT significant. - - # Is it the flow sequence start indicator? - if ch == '[': - return self.fetch_flow_sequence_start() - - # Is it the flow mapping start indicator? - if ch == '{': - return self.fetch_flow_mapping_start() - - # Is it the flow sequence end indicator? - if ch == ']': - return self.fetch_flow_sequence_end() - - # Is it the flow mapping end indicator? - if ch == '}': - return self.fetch_flow_mapping_end() - - # Is it the flow entry indicator? - if ch == ',': - return self.fetch_flow_entry() - - # Is it the block entry indicator? - if ch == '-' and self.check_block_entry(): - return self.fetch_block_entry() - - # Is it the key indicator? - if ch == '?' and self.check_key(): - return self.fetch_key() - - # Is it the value indicator? - if ch == ':' and self.check_value(): - return self.fetch_value() - - # Is it an alias? - if ch == '*': - return self.fetch_alias() - - # Is it an anchor? - if ch == '&': - return self.fetch_anchor() - - # Is it a tag? - if ch == '!': - return self.fetch_tag() - - # Is it a literal scalar? - if ch == '|' and not self.flow_level: - return self.fetch_literal() - - # Is it a folded scalar? - if ch == '>' and not self.flow_level: - return self.fetch_folded() - - # Is it a single quoted scalar? - if ch == '\'': - return self.fetch_single() - - # Is it a double quoted scalar? - if ch == '\"': - return self.fetch_double() - - # It must be a plain scalar then. - if self.check_plain(): - return self.fetch_plain() - - # No? It's an error. Let's produce a nice error message. - raise ScannerError("while scanning for the next token", None, - "found character %r that cannot start any token" % ch, - self.get_mark()) - - # Simple keys treatment. - - def next_possible_simple_key(self): - # Return the number of the nearest possible simple key. Actually we - # don't need to loop through the whole dictionary. We may replace it - # with the following code: - # if not self.possible_simple_keys: - # return None - # return self.possible_simple_keys[ - # min(self.possible_simple_keys.keys())].token_number - min_token_number = None - for level in self.possible_simple_keys: - key = self.possible_simple_keys[level] - if min_token_number is None or key.token_number < min_token_number: - min_token_number = key.token_number - return min_token_number - - def stale_possible_simple_keys(self): - # Remove entries that are no longer possible simple keys. According to - # the YAML specification, simple keys - # - should be limited to a single line, - # - should be no longer than 1024 characters. - # Disabling this procedure will allow simple keys of any length and - # height (may cause problems if indentation is broken though). - for level in list(self.possible_simple_keys): - key = self.possible_simple_keys[level] - if key.line != self.line \ - or self.index-key.index > 1024: - if key.required: - raise ScannerError("while scanning a simple key", key.mark, - "could not found expected ':'", self.get_mark()) - del self.possible_simple_keys[level] - - def save_possible_simple_key(self): - # The next token may start a simple key. We check if it's possible - # and save its position. This function is called for - # ALIAS, ANCHOR, TAG, SCALAR(flow), '[', and '{'. - - # Check if a simple key is required at the current position. - required = not self.flow_level and self.indent == self.column - - # A simple key is required only if it is the first token in the current - # line. Therefore it is always allowed. - assert self.allow_simple_key or not required - - # The next token might be a simple key. Let's save it's number and - # position. - if self.allow_simple_key: - self.remove_possible_simple_key() - token_number = self.tokens_taken+len(self.tokens) - key = SimpleKey(token_number, required, - self.index, self.line, self.column, self.get_mark()) - self.possible_simple_keys[self.flow_level] = key - - def remove_possible_simple_key(self): - # Remove the saved possible key position at the current flow level. - if self.flow_level in self.possible_simple_keys: - key = self.possible_simple_keys[self.flow_level] - - if key.required: - raise ScannerError("while scanning a simple key", key.mark, - "could not found expected ':'", self.get_mark()) - - del self.possible_simple_keys[self.flow_level] - - # Indentation functions. - - def unwind_indent(self, column): - - ## In flow context, tokens should respect indentation. - ## Actually the condition should be `self.indent >= column` according to - ## the spec. But this condition will prohibit intuitively correct - ## constructions such as - ## key : { - ## } - #if self.flow_level and self.indent > column: - # raise ScannerError(None, None, - # "invalid intendation or unclosed '[' or '{'", - # self.get_mark()) - - # In the flow context, indentation is ignored. We make the scanner less - # restrictive then specification requires. - if self.flow_level: - return - - # In block context, we may need to issue the BLOCK-END tokens. - while self.indent > column: - mark = self.get_mark() - self.indent = self.indents.pop() - self.tokens.append(BlockEndToken(mark, mark)) - - def add_indent(self, column): - # Check if we need to increase indentation. - if self.indent < column: - self.indents.append(self.indent) - self.indent = column - return True - return False - - # Fetchers. - - def fetch_stream_start(self): - # We always add STREAM-START as the first token and STREAM-END as the - # last token. - - # Read the token. - mark = self.get_mark() - - # Add STREAM-START. - self.tokens.append(StreamStartToken(mark, mark, - encoding=self.encoding)) - - - def fetch_stream_end(self): - - # Set the current intendation to -1. - self.unwind_indent(-1) - - # Reset simple keys. - self.remove_possible_simple_key() - self.allow_simple_key = False - self.possible_simple_keys = {} - - # Read the token. - mark = self.get_mark() - - # Add STREAM-END. - self.tokens.append(StreamEndToken(mark, mark)) - - # The steam is finished. - self.done = True - - def fetch_directive(self): - - # Set the current intendation to -1. - self.unwind_indent(-1) - - # Reset simple keys. - self.remove_possible_simple_key() - self.allow_simple_key = False - - # Scan and add DIRECTIVE. - self.tokens.append(self.scan_directive()) - - def fetch_document_start(self): - self.fetch_document_indicator(DocumentStartToken) - - def fetch_document_end(self): - self.fetch_document_indicator(DocumentEndToken) - - def fetch_document_indicator(self, TokenClass): - - # Set the current intendation to -1. - self.unwind_indent(-1) - - # Reset simple keys. Note that there could not be a block collection - # after '---'. - self.remove_possible_simple_key() - self.allow_simple_key = False - - # Add DOCUMENT-START or DOCUMENT-END. - start_mark = self.get_mark() - self.forward(3) - end_mark = self.get_mark() - self.tokens.append(TokenClass(start_mark, end_mark)) - - def fetch_flow_sequence_start(self): - self.fetch_flow_collection_start(FlowSequenceStartToken) - - def fetch_flow_mapping_start(self): - self.fetch_flow_collection_start(FlowMappingStartToken) - - def fetch_flow_collection_start(self, TokenClass): - - # '[' and '{' may start a simple key. - self.save_possible_simple_key() - - # Increase the flow level. - self.flow_level += 1 - - # Simple keys are allowed after '[' and '{'. - self.allow_simple_key = True - - # Add FLOW-SEQUENCE-START or FLOW-MAPPING-START. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(TokenClass(start_mark, end_mark)) - - def fetch_flow_sequence_end(self): - self.fetch_flow_collection_end(FlowSequenceEndToken) - - def fetch_flow_mapping_end(self): - self.fetch_flow_collection_end(FlowMappingEndToken) - - def fetch_flow_collection_end(self, TokenClass): - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Decrease the flow level. - self.flow_level -= 1 - - # No simple keys after ']' or '}'. - self.allow_simple_key = False - - # Add FLOW-SEQUENCE-END or FLOW-MAPPING-END. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(TokenClass(start_mark, end_mark)) - - def fetch_flow_entry(self): - - # Simple keys are allowed after ','. - self.allow_simple_key = True - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add FLOW-ENTRY. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(FlowEntryToken(start_mark, end_mark)) - - def fetch_block_entry(self): - - # Block context needs additional checks. - if not self.flow_level: - - # Are we allowed to start a new entry? - if not self.allow_simple_key: - raise ScannerError(None, None, - "sequence entries are not allowed here", - self.get_mark()) - - # We may need to add BLOCK-SEQUENCE-START. - if self.add_indent(self.column): - mark = self.get_mark() - self.tokens.append(BlockSequenceStartToken(mark, mark)) - - # It's an error for the block entry to occur in the flow context, - # but we let the parser detect this. - else: - pass - - # Simple keys are allowed after '-'. - self.allow_simple_key = True - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add BLOCK-ENTRY. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(BlockEntryToken(start_mark, end_mark)) - - def fetch_key(self): - - # Block context needs additional checks. - if not self.flow_level: - - # Are we allowed to start a key (not nessesary a simple)? - if not self.allow_simple_key: - raise ScannerError(None, None, - "mapping keys are not allowed here", - self.get_mark()) - - # We may need to add BLOCK-MAPPING-START. - if self.add_indent(self.column): - mark = self.get_mark() - self.tokens.append(BlockMappingStartToken(mark, mark)) - - # Simple keys are allowed after '?' in the block context. - self.allow_simple_key = not self.flow_level - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add KEY. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(KeyToken(start_mark, end_mark)) - - def fetch_value(self): - - # Do we determine a simple key? - if self.flow_level in self.possible_simple_keys: - - # Add KEY. - key = self.possible_simple_keys[self.flow_level] - del self.possible_simple_keys[self.flow_level] - self.tokens.insert(key.token_number-self.tokens_taken, - KeyToken(key.mark, key.mark)) - - # If this key starts a new block mapping, we need to add - # BLOCK-MAPPING-START. - if not self.flow_level: - if self.add_indent(key.column): - self.tokens.insert(key.token_number-self.tokens_taken, - BlockMappingStartToken(key.mark, key.mark)) - - # There cannot be two simple keys one after another. - self.allow_simple_key = False - - # It must be a part of a complex key. - else: - - # Block context needs additional checks. - # (Do we really need them? They will be catched by the parser - # anyway.) - if not self.flow_level: - - # We are allowed to start a complex value if and only if - # we can start a simple key. - if not self.allow_simple_key: - raise ScannerError(None, None, - "mapping values are not allowed here", - self.get_mark()) - - # If this value starts a new block mapping, we need to add - # BLOCK-MAPPING-START. It will be detected as an error later by - # the parser. - if not self.flow_level: - if self.add_indent(self.column): - mark = self.get_mark() - self.tokens.append(BlockMappingStartToken(mark, mark)) - - # Simple keys are allowed after ':' in the block context. - self.allow_simple_key = not self.flow_level - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Add VALUE. - start_mark = self.get_mark() - self.forward() - end_mark = self.get_mark() - self.tokens.append(ValueToken(start_mark, end_mark)) - - def fetch_alias(self): - - # ALIAS could be a simple key. - self.save_possible_simple_key() - - # No simple keys after ALIAS. - self.allow_simple_key = False - - # Scan and add ALIAS. - self.tokens.append(self.scan_anchor(AliasToken)) - - def fetch_anchor(self): - - # ANCHOR could start a simple key. - self.save_possible_simple_key() - - # No simple keys after ANCHOR. - self.allow_simple_key = False - - # Scan and add ANCHOR. - self.tokens.append(self.scan_anchor(AnchorToken)) - - def fetch_tag(self): - - # TAG could start a simple key. - self.save_possible_simple_key() - - # No simple keys after TAG. - self.allow_simple_key = False - - # Scan and add TAG. - self.tokens.append(self.scan_tag()) - - def fetch_literal(self): - self.fetch_block_scalar(style='|') - - def fetch_folded(self): - self.fetch_block_scalar(style='>') - - def fetch_block_scalar(self, style): - - # A simple key may follow a block scalar. - self.allow_simple_key = True - - # Reset possible simple key on the current level. - self.remove_possible_simple_key() - - # Scan and add SCALAR. - self.tokens.append(self.scan_block_scalar(style)) - - def fetch_single(self): - self.fetch_flow_scalar(style='\'') - - def fetch_double(self): - self.fetch_flow_scalar(style='"') - - def fetch_flow_scalar(self, style): - - # A flow scalar could be a simple key. - self.save_possible_simple_key() - - # No simple keys after flow scalars. - self.allow_simple_key = False - - # Scan and add SCALAR. - self.tokens.append(self.scan_flow_scalar(style)) - - def fetch_plain(self): - - # A plain scalar could be a simple key. - self.save_possible_simple_key() - - # No simple keys after plain scalars. But note that `scan_plain` will - # change this flag if the scan is finished at the beginning of the - # line. - self.allow_simple_key = False - - # Scan and add SCALAR. May change `allow_simple_key`. - self.tokens.append(self.scan_plain()) - - # Checkers. - - def check_directive(self): - - # DIRECTIVE: ^ '%' ... - # The '%' indicator is already checked. - if self.column == 0: - return True - - def check_document_start(self): - - # DOCUMENT-START: ^ '---' (' '|'\n') - if self.column == 0: - if self.prefix(3) == '---' \ - and self.peek(3) in '\0 \t\r\n\x85\u2028\u2029': - return True - - def check_document_end(self): - - # DOCUMENT-END: ^ '...' (' '|'\n') - if self.column == 0: - if self.prefix(3) == '...' \ - and self.peek(3) in '\0 \t\r\n\x85\u2028\u2029': - return True - - def check_block_entry(self): - - # BLOCK-ENTRY: '-' (' '|'\n') - return self.peek(1) in '\0 \t\r\n\x85\u2028\u2029' - - def check_key(self): - - # KEY(flow context): '?' - if self.flow_level: - return True - - # KEY(block context): '?' (' '|'\n') - else: - return self.peek(1) in '\0 \t\r\n\x85\u2028\u2029' - - def check_value(self): - - # VALUE(flow context): ':' - if self.flow_level: - return True - - # VALUE(block context): ':' (' '|'\n') - else: - return self.peek(1) in '\0 \t\r\n\x85\u2028\u2029' - - def check_plain(self): - - # A plain scalar may start with any non-space character except: - # '-', '?', ':', ',', '[', ']', '{', '}', - # '#', '&', '*', '!', '|', '>', '\'', '\"', - # '%', '@', '`'. - # - # It may also start with - # '-', '?', ':' - # if it is followed by a non-space character. - # - # Note that we limit the last rule to the block context (except the - # '-' character) because we want the flow context to be space - # independent. - ch = self.peek() - return ch not in '\0 \t\r\n\x85\u2028\u2029-?:,[]{}#&*!|>\'\"%@`' \ - or (self.peek(1) not in '\0 \t\r\n\x85\u2028\u2029' - and (ch == '-' or (not self.flow_level and ch in '?:'))) - - # Scanners. - - def scan_to_next_token(self): - # We ignore spaces, line breaks and comments. - # If we find a line break in the block context, we set the flag - # `allow_simple_key` on. - # The byte order mark is stripped if it's the first character in the - # stream. We do not yet support BOM inside the stream as the - # specification requires. Any such mark will be considered as a part - # of the document. - # - # TODO: We need to make tab handling rules more sane. A good rule is - # Tabs cannot precede tokens - # BLOCK-SEQUENCE-START, BLOCK-MAPPING-START, BLOCK-END, - # KEY(block), VALUE(block), BLOCK-ENTRY - # So the checking code is - # if <TAB>: - # self.allow_simple_keys = False - # We also need to add the check for `allow_simple_keys == True` to - # `unwind_indent` before issuing BLOCK-END. - # Scanners for block, flow, and plain scalars need to be modified. - - if self.index == 0 and self.peek() == '\uFEFF': - self.forward() - found = False - while not found: - while self.peek() == ' ': - self.forward() - if self.peek() == '#': - while self.peek() not in '\0\r\n\x85\u2028\u2029': - self.forward() - if self.scan_line_break(): - if not self.flow_level: - self.allow_simple_key = True - else: - found = True - - def scan_directive(self): - # See the specification for details. - start_mark = self.get_mark() - self.forward() - name = self.scan_directive_name(start_mark) - value = None - if name == 'YAML': - value = self.scan_yaml_directive_value(start_mark) - end_mark = self.get_mark() - elif name == 'TAG': - value = self.scan_tag_directive_value(start_mark) - end_mark = self.get_mark() - else: - end_mark = self.get_mark() - while self.peek() not in '\0\r\n\x85\u2028\u2029': - self.forward() - self.scan_directive_ignored_line(start_mark) - return DirectiveToken(name, value, start_mark, end_mark) - - def scan_directive_name(self, start_mark): - # See the specification for details. - length = 0 - ch = self.peek(length) - while '0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-_': - length += 1 - ch = self.peek(length) - if not length: - raise ScannerError("while scanning a directive", start_mark, - "expected alphabetic or numeric character, but found %r" - % ch, self.get_mark()) - value = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch not in '\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected alphabetic or numeric character, but found %r" - % ch, self.get_mark()) - return value - - def scan_yaml_directive_value(self, start_mark): - # See the specification for details. - while self.peek() == ' ': - self.forward() - major = self.scan_yaml_directive_number(start_mark) - if self.peek() != '.': - raise ScannerError("while scanning a directive", start_mark, - "expected a digit or '.', but found %r" % self.peek(), - self.get_mark()) - self.forward() - minor = self.scan_yaml_directive_number(start_mark) - if self.peek() not in '\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected a digit or ' ', but found %r" % self.peek(), - self.get_mark()) - return (major, minor) - - def scan_yaml_directive_number(self, start_mark): - # See the specification for details. - ch = self.peek() - if not ('0' <= ch <= '9'): - raise ScannerError("while scanning a directive", start_mark, - "expected a digit, but found %r" % ch, self.get_mark()) - length = 0 - while '0' <= self.peek(length) <= '9': - length += 1 - value = int(self.prefix(length)) - self.forward(length) - return value - - def scan_tag_directive_value(self, start_mark): - # See the specification for details. - while self.peek() == ' ': - self.forward() - handle = self.scan_tag_directive_handle(start_mark) - while self.peek() == ' ': - self.forward() - prefix = self.scan_tag_directive_prefix(start_mark) - return (handle, prefix) - - def scan_tag_directive_handle(self, start_mark): - # See the specification for details. - value = self.scan_tag_handle('directive', start_mark) - ch = self.peek() - if ch != ' ': - raise ScannerError("while scanning a directive", start_mark, - "expected ' ', but found %r" % ch, self.get_mark()) - return value - - def scan_tag_directive_prefix(self, start_mark): - # See the specification for details. - value = self.scan_tag_uri('directive', start_mark) - ch = self.peek() - if ch not in '\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected ' ', but found %r" % ch, self.get_mark()) - return value - - def scan_directive_ignored_line(self, start_mark): - # See the specification for details. - while self.peek() == ' ': - self.forward() - if self.peek() == '#': - while self.peek() not in '\0\r\n\x85\u2028\u2029': - self.forward() - ch = self.peek() - if ch not in '\0\r\n\x85\u2028\u2029': - raise ScannerError("while scanning a directive", start_mark, - "expected a comment or a line break, but found %r" - % ch, self.get_mark()) - self.scan_line_break() - - def scan_anchor(self, TokenClass): - # The specification does not restrict characters for anchors and - # aliases. This may lead to problems, for instance, the document: - # [ *alias, value ] - # can be interpteted in two ways, as - # [ "value" ] - # and - # [ *alias , "value" ] - # Therefore we restrict aliases to numbers and ASCII letters. - start_mark = self.get_mark() - indicator = self.peek() - if indicator == '*': - name = 'alias' - else: - name = 'anchor' - self.forward() - length = 0 - ch = self.peek(length) - while '0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-_': - length += 1 - ch = self.peek(length) - if not length: - raise ScannerError("while scanning an %s" % name, start_mark, - "expected alphabetic or numeric character, but found %r" - % ch, self.get_mark()) - value = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch not in '\0 \t\r\n\x85\u2028\u2029?:,]}%@`': - raise ScannerError("while scanning an %s" % name, start_mark, - "expected alphabetic or numeric character, but found %r" - % ch, self.get_mark()) - end_mark = self.get_mark() - return TokenClass(value, start_mark, end_mark) - - def scan_tag(self): - # See the specification for details. - start_mark = self.get_mark() - ch = self.peek(1) - if ch == '<': - handle = None - self.forward(2) - suffix = self.scan_tag_uri('tag', start_mark) - if self.peek() != '>': - raise ScannerError("while parsing a tag", start_mark, - "expected '>', but found %r" % self.peek(), - self.get_mark()) - self.forward() - elif ch in '\0 \t\r\n\x85\u2028\u2029': - handle = None - suffix = '!' - self.forward() - else: - length = 1 - use_handle = False - while ch not in '\0 \r\n\x85\u2028\u2029': - if ch == '!': - use_handle = True - break - length += 1 - ch = self.peek(length) - handle = '!' - if use_handle: - handle = self.scan_tag_handle('tag', start_mark) - else: - handle = '!' - self.forward() - suffix = self.scan_tag_uri('tag', start_mark) - ch = self.peek() - if ch not in '\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a tag", start_mark, - "expected ' ', but found %r" % ch, self.get_mark()) - value = (handle, suffix) - end_mark = self.get_mark() - return TagToken(value, start_mark, end_mark) - - def scan_block_scalar(self, style): - # See the specification for details. - - if style == '>': - folded = True - else: - folded = False - - chunks = [] - start_mark = self.get_mark() - - # Scan the header. - self.forward() - chomping, increment = self.scan_block_scalar_indicators(start_mark) - self.scan_block_scalar_ignored_line(start_mark) - - # Determine the indentation level and go to the first non-empty line. - min_indent = self.indent+1 - if min_indent < 1: - min_indent = 1 - if increment is None: - breaks, max_indent, end_mark = self.scan_block_scalar_indentation() - indent = max(min_indent, max_indent) - else: - indent = min_indent+increment-1 - breaks, end_mark = self.scan_block_scalar_breaks(indent) - line_break = '' - - # Scan the inner part of the block scalar. - while self.column == indent and self.peek() != '\0': - chunks.extend(breaks) - leading_non_space = self.peek() not in ' \t' - length = 0 - while self.peek(length) not in '\0\r\n\x85\u2028\u2029': - length += 1 - chunks.append(self.prefix(length)) - self.forward(length) - line_break = self.scan_line_break() - breaks, end_mark = self.scan_block_scalar_breaks(indent) - if self.column == indent and self.peek() != '\0': - - # Unfortunately, folding rules are ambiguous. - # - # This is the folding according to the specification: - - if folded and line_break == '\n' \ - and leading_non_space and self.peek() not in ' \t': - if not breaks: - chunks.append(' ') - else: - chunks.append(line_break) - - # This is Clark Evans's interpretation (also in the spec - # examples): - # - #if folded and line_break == '\n': - # if not breaks: - # if self.peek() not in ' \t': - # chunks.append(' ') - # else: - # chunks.append(line_break) - #else: - # chunks.append(line_break) - else: - break - - # Chomp the tail. - if chomping is not False: - chunks.append(line_break) - if chomping is True: - chunks.extend(breaks) - - # We are done. - return ScalarToken(''.join(chunks), False, start_mark, end_mark, - style) - - def scan_block_scalar_indicators(self, start_mark): - # See the specification for details. - chomping = None - increment = None - ch = self.peek() - if ch in '+-': - if ch == '+': - chomping = True - else: - chomping = False - self.forward() - ch = self.peek() - if ch in '0123456789': - increment = int(ch) - if increment == 0: - raise ScannerError("while scanning a block scalar", start_mark, - "expected indentation indicator in the range 1-9, but found 0", - self.get_mark()) - self.forward() - elif ch in '0123456789': - increment = int(ch) - if increment == 0: - raise ScannerError("while scanning a block scalar", start_mark, - "expected indentation indicator in the range 1-9, but found 0", - self.get_mark()) - self.forward() - ch = self.peek() - if ch in '+-': - if ch == '+': - chomping = True - else: - chomping = False - self.forward() - ch = self.peek() - if ch not in '\0 \r\n\x85\u2028\u2029': - raise ScannerError("while scanning a block scalar", start_mark, - "expected chomping or indentation indicators, but found %r" - % ch, self.get_mark()) - return chomping, increment - - def scan_block_scalar_ignored_line(self, start_mark): - # See the specification for details. - while self.peek() == ' ': - self.forward() - if self.peek() == '#': - while self.peek() not in '\0\r\n\x85\u2028\u2029': - self.forward() - ch = self.peek() - if ch not in '\0\r\n\x85\u2028\u2029': - raise ScannerError("while scanning a block scalar", start_mark, - "expected a comment or a line break, but found %r" % ch, - self.get_mark()) - self.scan_line_break() - - def scan_block_scalar_indentation(self): - # See the specification for details. - chunks = [] - max_indent = 0 - end_mark = self.get_mark() - while self.peek() in ' \r\n\x85\u2028\u2029': - if self.peek() != ' ': - chunks.append(self.scan_line_break()) - end_mark = self.get_mark() - else: - self.forward() - if self.column > max_indent: - max_indent = self.column - return chunks, max_indent, end_mark - - def scan_block_scalar_breaks(self, indent): - # See the specification for details. - chunks = [] - end_mark = self.get_mark() - while self.column < indent and self.peek() == ' ': - self.forward() - while self.peek() in '\r\n\x85\u2028\u2029': - chunks.append(self.scan_line_break()) - end_mark = self.get_mark() - while self.column < indent and self.peek() == ' ': - self.forward() - return chunks, end_mark - - def scan_flow_scalar(self, style): - # See the specification for details. - # Note that we loose indentation rules for quoted scalars. Quoted - # scalars don't need to adhere indentation because " and ' clearly - # mark the beginning and the end of them. Therefore we are less - # restrictive then the specification requires. We only need to check - # that document separators are not included in scalars. - if style == '"': - double = True - else: - double = False - chunks = [] - start_mark = self.get_mark() - quote = self.peek() - self.forward() - chunks.extend(self.scan_flow_scalar_non_spaces(double, start_mark)) - while self.peek() != quote: - chunks.extend(self.scan_flow_scalar_spaces(double, start_mark)) - chunks.extend(self.scan_flow_scalar_non_spaces(double, start_mark)) - self.forward() - end_mark = self.get_mark() - return ScalarToken(''.join(chunks), False, start_mark, end_mark, - style) - - ESCAPE_REPLACEMENTS = { - '0': '\0', - 'a': '\x07', - 'b': '\x08', - 't': '\x09', - '\t': '\x09', - 'n': '\x0A', - 'v': '\x0B', - 'f': '\x0C', - 'r': '\x0D', - 'e': '\x1B', - ' ': '\x20', - '\"': '\"', - '\\': '\\', - 'N': '\x85', - '_': '\xA0', - 'L': '\u2028', - 'P': '\u2029', - } - - ESCAPE_CODES = { - 'x': 2, - 'u': 4, - 'U': 8, - } - - def scan_flow_scalar_non_spaces(self, double, start_mark): - # See the specification for details. - chunks = [] - while True: - length = 0 - while self.peek(length) not in '\'\"\\\0 \t\r\n\x85\u2028\u2029': - length += 1 - if length: - chunks.append(self.prefix(length)) - self.forward(length) - ch = self.peek() - if not double and ch == '\'' and self.peek(1) == '\'': - chunks.append('\'') - self.forward(2) - elif (double and ch == '\'') or (not double and ch in '\"\\'): - chunks.append(ch) - self.forward() - elif double and ch == '\\': - self.forward() - ch = self.peek() - if ch in self.ESCAPE_REPLACEMENTS: - chunks.append(self.ESCAPE_REPLACEMENTS[ch]) - self.forward() - elif ch in self.ESCAPE_CODES: - length = self.ESCAPE_CODES[ch] - self.forward() - for k in range(length): - if self.peek(k) not in '0123456789ABCDEFabcdef': - raise ScannerError("while scanning a double-quoted scalar", start_mark, - "expected escape sequence of %d hexdecimal numbers, but found %r" % - (length, self.peek(k)), self.get_mark()) - code = int(self.prefix(length), 16) - chunks.append(chr(code)) - self.forward(length) - elif ch in '\r\n\x85\u2028\u2029': - self.scan_line_break() - chunks.extend(self.scan_flow_scalar_breaks(double, start_mark)) - else: - raise ScannerError("while scanning a double-quoted scalar", start_mark, - "found unknown escape character %r" % ch, self.get_mark()) - else: - return chunks - - def scan_flow_scalar_spaces(self, double, start_mark): - # See the specification for details. - chunks = [] - length = 0 - while self.peek(length) in ' \t': - length += 1 - whitespaces = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch == '\0': - raise ScannerError("while scanning a quoted scalar", start_mark, - "found unexpected end of stream", self.get_mark()) - elif ch in '\r\n\x85\u2028\u2029': - line_break = self.scan_line_break() - breaks = self.scan_flow_scalar_breaks(double, start_mark) - if line_break != '\n': - chunks.append(line_break) - elif not breaks: - chunks.append(' ') - chunks.extend(breaks) - else: - chunks.append(whitespaces) - return chunks - - def scan_flow_scalar_breaks(self, double, start_mark): - # See the specification for details. - chunks = [] - while True: - # Instead of checking indentation, we check for document - # separators. - prefix = self.prefix(3) - if (prefix == '---' or prefix == '...') \ - and self.peek(3) in '\0 \t\r\n\x85\u2028\u2029': - raise ScannerError("while scanning a quoted scalar", start_mark, - "found unexpected document separator", self.get_mark()) - while self.peek() in ' \t': - self.forward() - if self.peek() in '\r\n\x85\u2028\u2029': - chunks.append(self.scan_line_break()) - else: - return chunks - - def scan_plain(self): - # See the specification for details. - # We add an additional restriction for the flow context: - # plain scalars in the flow context cannot contain ',', ':' and '?'. - # We also keep track of the `allow_simple_key` flag here. - # Indentation rules are loosed for the flow context. - chunks = [] - start_mark = self.get_mark() - end_mark = start_mark - indent = self.indent+1 - # We allow zero indentation for scalars, but then we need to check for - # document separators at the beginning of the line. - #if indent == 0: - # indent = 1 - spaces = [] - while True: - length = 0 - if self.peek() == '#': - break - while True: - ch = self.peek(length) - if ch in '\0 \t\r\n\x85\u2028\u2029' \ - or (not self.flow_level and ch == ':' and - self.peek(length+1) in '\0 \t\r\n\x85\u2028\u2029') \ - or (self.flow_level and ch in ',:?[]{}'): - break - length += 1 - # It's not clear what we should do with ':' in the flow context. - if (self.flow_level and ch == ':' - and self.peek(length+1) not in '\0 \t\r\n\x85\u2028\u2029,[]{}'): - self.forward(length) - raise ScannerError("while scanning a plain scalar", start_mark, - "found unexpected ':'", self.get_mark(), - "Please check http://pyyaml.org/wiki/YAMLColonInFlowContext for details.") - if length == 0: - break - self.allow_simple_key = False - chunks.extend(spaces) - chunks.append(self.prefix(length)) - self.forward(length) - end_mark = self.get_mark() - spaces = self.scan_plain_spaces(indent, start_mark) - if not spaces or self.peek() == '#' \ - or (not self.flow_level and self.column < indent): - break - return ScalarToken(''.join(chunks), True, start_mark, end_mark) - - def scan_plain_spaces(self, indent, start_mark): - # See the specification for details. - # The specification is really confusing about tabs in plain scalars. - # We just forbid them completely. Do not use tabs in YAML! - chunks = [] - length = 0 - while self.peek(length) in ' ': - length += 1 - whitespaces = self.prefix(length) - self.forward(length) - ch = self.peek() - if ch in '\r\n\x85\u2028\u2029': - line_break = self.scan_line_break() - self.allow_simple_key = True - prefix = self.prefix(3) - if (prefix == '---' or prefix == '...') \ - and self.peek(3) in '\0 \t\r\n\x85\u2028\u2029': - return - breaks = [] - while self.peek() in ' \r\n\x85\u2028\u2029': - if self.peek() == ' ': - self.forward() - else: - breaks.append(self.scan_line_break()) - prefix = self.prefix(3) - if (prefix == '---' or prefix == '...') \ - and self.peek(3) in '\0 \t\r\n\x85\u2028\u2029': - return - if line_break != '\n': - chunks.append(line_break) - elif not breaks: - chunks.append(' ') - chunks.extend(breaks) - elif whitespaces: - chunks.append(whitespaces) - return chunks - - def scan_tag_handle(self, name, start_mark): - # See the specification for details. - # For some strange reasons, the specification does not allow '_' in - # tag handles. I have allowed it anyway. - ch = self.peek() - if ch != '!': - raise ScannerError("while scanning a %s" % name, start_mark, - "expected '!', but found %r" % ch, self.get_mark()) - length = 1 - ch = self.peek(length) - if ch != ' ': - while '0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-_': - length += 1 - ch = self.peek(length) - if ch != '!': - self.forward(length) - raise ScannerError("while scanning a %s" % name, start_mark, - "expected '!', but found %r" % ch, self.get_mark()) - length += 1 - value = self.prefix(length) - self.forward(length) - return value - - def scan_tag_uri(self, name, start_mark): - # See the specification for details. - # Note: we do not check if URI is well-formed. - chunks = [] - length = 0 - ch = self.peek(length) - while '0' <= ch <= '9' or 'A' <= ch <= 'Z' or 'a' <= ch <= 'z' \ - or ch in '-;/?:@&=+$,_.!~*\'()[]%': - if ch == '%': - chunks.append(self.prefix(length)) - self.forward(length) - length = 0 - chunks.append(self.scan_uri_escapes(name, start_mark)) - else: - length += 1 - ch = self.peek(length) - if length: - chunks.append(self.prefix(length)) - self.forward(length) - length = 0 - if not chunks: - raise ScannerError("while parsing a %s" % name, start_mark, - "expected URI, but found %r" % ch, self.get_mark()) - return ''.join(chunks) - - def scan_uri_escapes(self, name, start_mark): - # See the specification for details. - codes = [] - mark = self.get_mark() - while self.peek() == '%': - self.forward() - for k in range(2): - if self.peek(k) not in '0123456789ABCDEFabcdef': - raise ScannerError("while scanning a %s" % name, start_mark, - "expected URI escape sequence of 2 hexdecimal numbers, but found %r" - % self.peek(k), self.get_mark()) - codes.append(int(self.prefix(2), 16)) - self.forward(2) - try: - value = bytes(codes).decode('utf-8') - except UnicodeDecodeError as exc: - raise ScannerError("while scanning a %s" % name, start_mark, str(exc), mark) - return value - - def scan_line_break(self): - # Transforms: - # '\r\n' : '\n' - # '\r' : '\n' - # '\n' : '\n' - # '\x85' : '\n' - # '\u2028' : '\u2028' - # '\u2029 : '\u2029' - # default : '' - ch = self.peek() - if ch in '\r\n\x85': - if self.prefix(2) == '\r\n': - self.forward(2) - else: - self.forward() - return '\n' - elif ch in '\u2028\u2029': - self.forward() - return ch - return '' - -#try: -# import psyco -# psyco.bind(Scanner) -#except ImportError: -# pass - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/serializer.py b/collectors/python.d.plugin/python_modules/pyyaml3/serializer.py deleted file mode 100644 index 1ba2f7f9d..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/serializer.py +++ /dev/null @@ -1,112 +0,0 @@ -# SPDX-License-Identifier: MIT - -__all__ = ['Serializer', 'SerializerError'] - -from .error import YAMLError -from .events import * -from .nodes import * - -class SerializerError(YAMLError): - pass - -class Serializer: - - ANCHOR_TEMPLATE = 'id%03d' - - def __init__(self, encoding=None, - explicit_start=None, explicit_end=None, version=None, tags=None): - self.use_encoding = encoding - self.use_explicit_start = explicit_start - self.use_explicit_end = explicit_end - self.use_version = version - self.use_tags = tags - self.serialized_nodes = {} - self.anchors = {} - self.last_anchor_id = 0 - self.closed = None - - def open(self): - if self.closed is None: - self.emit(StreamStartEvent(encoding=self.use_encoding)) - self.closed = False - elif self.closed: - raise SerializerError("serializer is closed") - else: - raise SerializerError("serializer is already opened") - - def close(self): - if self.closed is None: - raise SerializerError("serializer is not opened") - elif not self.closed: - self.emit(StreamEndEvent()) - self.closed = True - - #def __del__(self): - # self.close() - - def serialize(self, node): - if self.closed is None: - raise SerializerError("serializer is not opened") - elif self.closed: - raise SerializerError("serializer is closed") - self.emit(DocumentStartEvent(explicit=self.use_explicit_start, - version=self.use_version, tags=self.use_tags)) - self.anchor_node(node) - self.serialize_node(node, None, None) - self.emit(DocumentEndEvent(explicit=self.use_explicit_end)) - self.serialized_nodes = {} - self.anchors = {} - self.last_anchor_id = 0 - - def anchor_node(self, node): - if node in self.anchors: - if self.anchors[node] is None: - self.anchors[node] = self.generate_anchor(node) - else: - self.anchors[node] = None - if isinstance(node, SequenceNode): - for item in node.value: - self.anchor_node(item) - elif isinstance(node, MappingNode): - for key, value in node.value: - self.anchor_node(key) - self.anchor_node(value) - - def generate_anchor(self, node): - self.last_anchor_id += 1 - return self.ANCHOR_TEMPLATE % self.last_anchor_id - - def serialize_node(self, node, parent, index): - alias = self.anchors[node] - if node in self.serialized_nodes: - self.emit(AliasEvent(alias)) - else: - self.serialized_nodes[node] = True - self.descend_resolver(parent, index) - if isinstance(node, ScalarNode): - detected_tag = self.resolve(ScalarNode, node.value, (True, False)) - default_tag = self.resolve(ScalarNode, node.value, (False, True)) - implicit = (node.tag == detected_tag), (node.tag == default_tag) - self.emit(ScalarEvent(alias, node.tag, implicit, node.value, - style=node.style)) - elif isinstance(node, SequenceNode): - implicit = (node.tag - == self.resolve(SequenceNode, node.value, True)) - self.emit(SequenceStartEvent(alias, node.tag, implicit, - flow_style=node.flow_style)) - index = 0 - for item in node.value: - self.serialize_node(item, node, index) - index += 1 - self.emit(SequenceEndEvent()) - elif isinstance(node, MappingNode): - implicit = (node.tag - == self.resolve(MappingNode, node.value, True)) - self.emit(MappingStartEvent(alias, node.tag, implicit, - flow_style=node.flow_style)) - for key, value in node.value: - self.serialize_node(key, node, None) - self.serialize_node(value, node, key) - self.emit(MappingEndEvent()) - self.ascend_resolver() - diff --git a/collectors/python.d.plugin/python_modules/pyyaml3/tokens.py b/collectors/python.d.plugin/python_modules/pyyaml3/tokens.py deleted file mode 100644 index c5c4fb116..000000000 --- a/collectors/python.d.plugin/python_modules/pyyaml3/tokens.py +++ /dev/null @@ -1,105 +0,0 @@ -# SPDX-License-Identifier: MIT - -class Token(object): - def __init__(self, start_mark, end_mark): - self.start_mark = start_mark - self.end_mark = end_mark - def __repr__(self): - attributes = [key for key in self.__dict__ - if not key.endswith('_mark')] - attributes.sort() - arguments = ', '.join(['%s=%r' % (key, getattr(self, key)) - for key in attributes]) - return '%s(%s)' % (self.__class__.__name__, arguments) - -#class BOMToken(Token): -# id = '<byte order mark>' - -class DirectiveToken(Token): - id = '<directive>' - def __init__(self, name, value, start_mark, end_mark): - self.name = name - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class DocumentStartToken(Token): - id = '<document start>' - -class DocumentEndToken(Token): - id = '<document end>' - -class StreamStartToken(Token): - id = '<stream start>' - def __init__(self, start_mark=None, end_mark=None, - encoding=None): - self.start_mark = start_mark - self.end_mark = end_mark - self.encoding = encoding - -class StreamEndToken(Token): - id = '<stream end>' - -class BlockSequenceStartToken(Token): - id = '<block sequence start>' - -class BlockMappingStartToken(Token): - id = '<block mapping start>' - -class BlockEndToken(Token): - id = '<block end>' - -class FlowSequenceStartToken(Token): - id = '[' - -class FlowMappingStartToken(Token): - id = '{' - -class FlowSequenceEndToken(Token): - id = ']' - -class FlowMappingEndToken(Token): - id = '}' - -class KeyToken(Token): - id = '?' - -class ValueToken(Token): - id = ':' - -class BlockEntryToken(Token): - id = '-' - -class FlowEntryToken(Token): - id = ',' - -class AliasToken(Token): - id = '<alias>' - def __init__(self, value, start_mark, end_mark): - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class AnchorToken(Token): - id = '<anchor>' - def __init__(self, value, start_mark, end_mark): - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class TagToken(Token): - id = '<tag>' - def __init__(self, value, start_mark, end_mark): - self.value = value - self.start_mark = start_mark - self.end_mark = end_mark - -class ScalarToken(Token): - id = '<scalar>' - def __init__(self, value, plain, start_mark, end_mark, style=None): - self.value = value - self.plain = plain - self.start_mark = start_mark - self.end_mark = end_mark - self.style = style - diff --git a/collectors/python.d.plugin/python_modules/third_party/__init__.py b/collectors/python.d.plugin/python_modules/third_party/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/third_party/boinc_client.py b/collectors/python.d.plugin/python_modules/third_party/boinc_client.py deleted file mode 100644 index ec21779a0..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/boinc_client.py +++ /dev/null @@ -1,515 +0,0 @@ -#!/usr/bin/env python -# -*- coding: utf-8 -*- -# -# client.py - Somewhat higher-level GUI_RPC API for BOINC core client -# -# Copyright (C) 2013 Rodrigo Silva (MestreLion) <linux@rodrigosilva.com> -# Copyright (C) 2017 Austin S. Hemmelgarn -# -# SPDX-License-Identifier: GPL-3.0 - -# Based on client/boinc_cmd.cpp - -import hashlib -import socket -import sys -import time -from functools import total_ordering -from xml.etree import ElementTree - -GUI_RPC_PASSWD_FILE = "/var/lib/boinc/gui_rpc_auth.cfg" - -GUI_RPC_HOSTNAME = None # localhost -GUI_RPC_PORT = 31416 -GUI_RPC_TIMEOUT = 1 - -class Rpc(object): - ''' Class to perform GUI RPC calls to a BOINC core client. - Usage in a context manager ('with' block) is recommended to ensure - disconnect() is called. Using the same instance for all calls is also - recommended so it reuses the same socket connection - ''' - def __init__(self, hostname="", port=0, timeout=0, text_output=False): - self.hostname = hostname - self.port = port - self.timeout = timeout - self.sock = None - self.text_output = text_output - - @property - def sockargs(self): - return (self.hostname, self.port, self.timeout) - - def __enter__(self): self.connect(*self.sockargs); return self - def __exit__(self, *args): self.disconnect() - - def connect(self, hostname="", port=0, timeout=0): - ''' Connect to (hostname, port) with timeout in seconds. - Hostname defaults to None (localhost), and port to 31416 - Calling multiple times will disconnect previous connection (if any), - and (re-)connect to host. - ''' - if self.sock: - self.disconnect() - - self.hostname = hostname or GUI_RPC_HOSTNAME - self.port = port or GUI_RPC_PORT - self.timeout = timeout or GUI_RPC_TIMEOUT - - self.sock = socket.create_connection(self.sockargs[0:2], self.sockargs[2]) - - def disconnect(self): - ''' Disconnect from host. Calling multiple times is OK (idempotent) - ''' - if self.sock: - self.sock.close() - self.sock = None - - def call(self, request, text_output=None): - ''' Do an RPC call. Pack and send the XML request and return the - unpacked reply. request can be either plain XML text or a - xml.etree.ElementTree.Element object. Return ElementTree.Element - or XML text according to text_output flag. - Will auto-connect if not connected. - ''' - if text_output is None: - text_output = self.text_output - - if not self.sock: - self.connect(*self.sockargs) - - if not isinstance(request, ElementTree.Element): - request = ElementTree.fromstring(request) - - # pack request - end = '\003' - if sys.version_info[0] < 3: - req = "<boinc_gui_rpc_request>\n{0}\n</boinc_gui_rpc_request>\n{1}".format(ElementTree.tostring(request).replace(' />', '/>'), end) - else: - req = "<boinc_gui_rpc_request>\n{0}\n</boinc_gui_rpc_request>\n{1}".format(ElementTree.tostring(request, encoding='unicode').replace(' />', '/>'), end).encode() - - try: - self.sock.sendall(req) - except (socket.error, socket.herror, socket.gaierror, socket.timeout): - raise - - req = "" - while True: - try: - buf = self.sock.recv(8192) - if not buf: - raise socket.error("No data from socket") - if sys.version_info[0] >= 3: - buf = buf.decode() - except socket.error: - raise - n = buf.find(end) - if not n == -1: break - req += buf - req += buf[:n] - - # unpack reply (remove root tag, ie: first and last lines) - req = '\n'.join(req.strip().rsplit('\n')[1:-1]) - - if text_output: - return req - else: - return ElementTree.fromstring(req) - -def setattrs_from_xml(obj, xml, attrfuncdict={}): - ''' Helper to set values for attributes of a class instance by mapping - matching tags from a XML file. - attrfuncdict is a dict of functions to customize value data type of - each attribute. It falls back to simple int/float/bool/str detection - based on values defined in __init__(). This would not be needed if - Boinc used standard RPC protocol, which includes data type in XML. - ''' - if not isinstance(xml, ElementTree.Element): - xml = ElementTree.fromstring(xml) - for e in list(xml): - if hasattr(obj, e.tag): - attr = getattr(obj, e.tag) - attrfunc = attrfuncdict.get(e.tag, None) - if attrfunc is None: - if isinstance(attr, bool): attrfunc = parse_bool - elif isinstance(attr, int): attrfunc = parse_int - elif isinstance(attr, float): attrfunc = parse_float - elif isinstance(attr, str): attrfunc = parse_str - elif isinstance(attr, list): attrfunc = parse_list - else: attrfunc = lambda x: x - setattr(obj, e.tag, attrfunc(e)) - else: - pass - #print "class missing attribute '%s': %r" % (e.tag, obj) - return obj - - -def parse_bool(e): - ''' Helper to convert ElementTree.Element.text to boolean. - Treat '<foo/>' (and '<foo>[[:blank:]]</foo>') as True - Treat '0' and 'false' as False - ''' - if e.text is None: - return True - else: - return bool(e.text) and not e.text.strip().lower() in ('0', 'false') - - -def parse_int(e): - ''' Helper to convert ElementTree.Element.text to integer. - Treat '<foo/>' (and '<foo></foo>') as 0 - ''' - # int(float()) allows casting to int a value expressed as float in XML - return 0 if e.text is None else int(float(e.text.strip())) - - -def parse_float(e): - ''' Helper to convert ElementTree.Element.text to float. ''' - return 0.0 if e.text is None else float(e.text.strip()) - - -def parse_str(e): - ''' Helper to convert ElementTree.Element.text to string. ''' - return "" if e.text is None else e.text.strip() - - -def parse_list(e): - ''' Helper to convert ElementTree.Element to list. For now, simply return - the list of root element's children - ''' - return list(e) - - -class Enum(object): - UNKNOWN = -1 # Not in original API - - @classmethod - def name(cls, value): - ''' Quick-and-dirty fallback for getting the "name" of an enum item ''' - - # value as string, if it matches an enum attribute. - # Allows short usage as Enum.name("VALUE") besides Enum.name(Enum.VALUE) - if hasattr(cls, str(value)): - return cls.name(getattr(cls, value, None)) - - # value not handled in subclass name() - for k, v in cls.__dict__.items(): - if v == value: - return k.lower().replace('_', ' ') - - # value not found - return cls.name(Enum.UNKNOWN) - - -class CpuSched(Enum): - ''' values of ACTIVE_TASK::scheduler_state and ACTIVE_TASK::next_scheduler_state - "SCHEDULED" is synonymous with "executing" except when CPU throttling - is in use. - ''' - UNINITIALIZED = 0 - PREEMPTED = 1 - SCHEDULED = 2 - - -class ResultState(Enum): - ''' Values of RESULT::state in client. - THESE MUST BE IN NUMERICAL ORDER - (because of the > comparison in RESULT::computing_done()) - see html/inc/common_defs.inc - ''' - NEW = 0 - #// New result - FILES_DOWNLOADING = 1 - #// Input files for result (WU, app version) are being downloaded - FILES_DOWNLOADED = 2 - #// Files are downloaded, result can be (or is being) computed - COMPUTE_ERROR = 3 - #// computation failed; no file upload - FILES_UPLOADING = 4 - #// Output files for result are being uploaded - FILES_UPLOADED = 5 - #// Files are uploaded, notify scheduling server at some point - ABORTED = 6 - #// result was aborted - UPLOAD_FAILED = 7 - #// some output file permanent failure - - -class Process(Enum): - ''' values of ACTIVE_TASK::task_state ''' - UNINITIALIZED = 0 - #// process doesn't exist yet - EXECUTING = 1 - #// process is running, as far as we know - SUSPENDED = 9 - #// we've sent it a "suspend" message - ABORT_PENDING = 5 - #// process exceeded limits; send "abort" message, waiting to exit - QUIT_PENDING = 8 - #// we've sent it a "quit" message, waiting to exit - COPY_PENDING = 10 - #// waiting for async file copies to finish - - -class _Struct(object): - ''' base helper class with common methods for all classes derived from - BOINC's C++ structs - ''' - @classmethod - def parse(cls, xml): - return setattrs_from_xml(cls(), xml) - - def __str__(self, indent=0): - buf = '{0}{1}:\n'.format('\t' * indent, self.__class__.__name__) - for attr in self.__dict__: - value = getattr(self, attr) - if isinstance(value, list): - buf += '{0}\t{1} [\n'.format('\t' * indent, attr) - for v in value: buf += '\t\t{0}\t\t,\n'.format(v) - buf += '\t]\n' - else: - buf += '{0}\t{1}\t{2}\n'.format('\t' * indent, - attr, - value.__str__(indent+2) - if isinstance(value, _Struct) - else repr(value)) - return buf - - -@total_ordering -class VersionInfo(_Struct): - def __init__(self, major=0, minor=0, release=0): - self.major = major - self.minor = minor - self.release = release - - @property - def _tuple(self): - return (self.major, self.minor, self.release) - - def __eq__(self, other): - return isinstance(other, self.__class__) and self._tuple == other._tuple - - def __ne__(self, other): - return not self.__eq__(other) - - def __gt__(self, other): - if not isinstance(other, self.__class__): - return NotImplemented - return self._tuple > other._tuple - - def __str__(self): - return "{0}.{1}.{2}".format(self.major, self.minor, self.release) - - def __repr__(self): - return "{0}{1}".format(self.__class__.__name__, self._tuple) - - -class Result(_Struct): - ''' Also called "task" in some contexts ''' - def __init__(self): - # Names and values follow lib/gui_rpc_client.h @ RESULT - # Order too, except when grouping contradicts client/result.cpp - # RESULT::write_gui(), then XML order is used. - - self.name = "" - self.wu_name = "" - self.version_num = 0 - #// identifies the app used - self.plan_class = "" - self.project_url = "" # from PROJECT.master_url - self.report_deadline = 0.0 # seconds since epoch - self.received_time = 0.0 # seconds since epoch - #// when we got this from server - self.ready_to_report = False - #// we're ready to report this result to the server; - #// either computation is done and all the files have been uploaded - #// or there was an error - self.got_server_ack = False - #// we've received the ack for this result from the server - self.final_cpu_time = 0.0 - self.final_elapsed_time = 0.0 - self.state = ResultState.NEW - self.estimated_cpu_time_remaining = 0.0 - #// actually, estimated elapsed time remaining - self.exit_status = 0 - #// return value from the application - self.suspended_via_gui = False - self.project_suspended_via_gui = False - self.edf_scheduled = False - #// temporary used to tell GUI that this result is deadline-scheduled - self.coproc_missing = False - #// a coproc needed by this job is missing - #// (e.g. because user removed their GPU board). - self.scheduler_wait = False - self.scheduler_wait_reason = "" - self.network_wait = False - self.resources = "" - #// textual description of resources used - - #// the following defined if active - # XML is generated in client/app.cpp ACTIVE_TASK::write_gui() - self.active_task = False - self.active_task_state = Process.UNINITIALIZED - self.app_version_num = 0 - self.slot = -1 - self.pid = 0 - self.scheduler_state = CpuSched.UNINITIALIZED - self.checkpoint_cpu_time = 0.0 - self.current_cpu_time = 0.0 - self.fraction_done = 0.0 - self.elapsed_time = 0.0 - self.swap_size = 0 - self.working_set_size_smoothed = 0.0 - self.too_large = False - self.needs_shmem = False - self.graphics_exec_path = "" - self.web_graphics_url = "" - self.remote_desktop_addr = "" - self.slot_path = "" - #// only present if graphics_exec_path is - - # The following are not in original API, but are present in RPC XML reply - self.completed_time = 0.0 - #// time when ready_to_report was set - self.report_immediately = False - self.working_set_size = 0 - self.page_fault_rate = 0.0 - #// derived by higher-level code - - # The following are in API, but are NEVER in RPC XML reply. Go figure - self.signal = 0 - - self.app = None # APP* - self.wup = None # WORKUNIT* - self.project = None # PROJECT* - self.avp = None # APP_VERSION* - - @classmethod - def parse(cls, xml): - if not isinstance(xml, ElementTree.Element): - xml = ElementTree.fromstring(xml) - - # parse main XML - result = super(Result, cls).parse(xml) - - # parse '<active_task>' children - active_task = xml.find('active_task') - if active_task is None: - result.active_task = False # already the default after __init__() - else: - result.active_task = True # already the default after main parse - result = setattrs_from_xml(result, active_task) - - #// if CPU time is nonzero but elapsed time is zero, - #// we must be talking to an old client. - #// Set elapsed = CPU - #// (easier to deal with this here than in the manager) - if result.current_cpu_time != 0 and result.elapsed_time == 0: - result.elapsed_time = result.current_cpu_time - - if result.final_cpu_time != 0 and result.final_elapsed_time == 0: - result.final_elapsed_time = result.final_cpu_time - - return result - - def __str__(self): - buf = '{0}:\n'.format(self.__class__.__name__) - for attr in self.__dict__: - value = getattr(self, attr) - if attr in ['received_time', 'report_deadline']: - value = time.ctime(value) - buf += '\t{0}\t{1}\n'.format(attr, value) - return buf - - -class BoincClient(object): - - def __init__(self, host="", port=0, passwd=None): - self.hostname = host - self.port = port - self.passwd = passwd - self.rpc = Rpc(text_output=False) - self.version = None - self.authorized = False - - # Informative, not authoritative. Records status of *last* RPC call, - # but does not infer success about the *next* one. - # Thus, it should be read *after* an RPC call, not prior to one - self.connected = False - - def __enter__(self): self.connect(); return self - def __exit__(self, *args): self.disconnect() - - def connect(self): - try: - self.rpc.connect(self.hostname, self.port) - self.connected = True - except socket.error: - self.connected = False - return - self.authorized = self.authorize(self.passwd) - self.version = self.exchange_versions() - - def disconnect(self): - self.rpc.disconnect() - - def authorize(self, password): - ''' Request authorization. If password is None and we are connecting - to localhost, try to read password from the local config file - GUI_RPC_PASSWD_FILE. If file can't be read (not found or no - permission to read), try to authorize with a blank password. - If authorization is requested and fails, all subsequent calls - will be refused with socket.error 'Connection reset by peer' (104). - Since most local calls do no require authorization, do not attempt - it if you're not sure about the password. - ''' - if password is None and not self.hostname: - password = read_gui_rpc_password() or "" - nonce = self.rpc.call('<auth1/>').text - authhash = hashlib.md5('{0}{1}'.format(nonce, password).encode()).hexdigest().lower() - reply = self.rpc.call('<auth2><nonce_hash>{0}</nonce_hash></auth2>'.format(authhash)) - - if reply.tag == 'authorized': - return True - else: - return False - - def exchange_versions(self): - ''' Return VersionInfo instance with core client version info ''' - return VersionInfo.parse(self.rpc.call('<exchange_versions/>')) - - def get_tasks(self): - ''' Same as get_results(active_only=False) ''' - return self.get_results(False) - - def get_results(self, active_only=False): - ''' Get a list of results. - Those that are in progress will have information such as CPU time - and fraction done. Each result includes a name; - Use CC_STATE::lookup_result() to find this result in the current static state; - if it's not there, call get_state() again. - ''' - reply = self.rpc.call("<get_results><active_only>{0}</active_only></get_results>".format(1 if active_only else 0)) - if not reply.tag == 'results': - return [] - - results = [] - for item in list(reply): - results.append(Result.parse(item)) - - return results - - -def read_gui_rpc_password(): - ''' Read password string from GUI_RPC_PASSWD_FILE file, trim the last CR - (if any), and return it - ''' - try: - with open(GUI_RPC_PASSWD_FILE, 'r') as f: - buf = f.read() - if buf.endswith('\n'): return buf[:-1] # trim last CR - else: return buf - except IOError: - # Permission denied or File not found. - pass diff --git a/collectors/python.d.plugin/python_modules/third_party/filelock.py b/collectors/python.d.plugin/python_modules/third_party/filelock.py deleted file mode 100644 index 4c981672b..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/filelock.py +++ /dev/null @@ -1,451 +0,0 @@ -# This is free and unencumbered software released into the public domain. -# -# Anyone is free to copy, modify, publish, use, compile, sell, or -# distribute this software, either in source code form or as a compiled -# binary, for any purpose, commercial or non-commercial, and by any -# means. -# -# In jurisdictions that recognize copyright laws, the author or authors -# of this software dedicate any and all copyright interest in the -# software to the public domain. We make this dedication for the benefit -# of the public at large and to the detriment of our heirs and -# successors. We intend this dedication to be an overt act of -# relinquishment in perpetuity of all present and future rights to this -# software under copyright law. -# -# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR -# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -# OTHER DEALINGS IN THE SOFTWARE. -# -# For more information, please refer to <http://unlicense.org> - -""" -A platform independent file lock that supports the with-statement. -""" - - -# Modules -# ------------------------------------------------ -import logging -import os -import threading -import time -try: - import warnings -except ImportError: - warnings = None - -try: - import msvcrt -except ImportError: - msvcrt = None - -try: - import fcntl -except ImportError: - fcntl = None - - -# Backward compatibility -# ------------------------------------------------ -try: - TimeoutError -except NameError: - TimeoutError = OSError - - -# Data -# ------------------------------------------------ -__all__ = [ - "Timeout", - "BaseFileLock", - "WindowsFileLock", - "UnixFileLock", - "SoftFileLock", - "FileLock" -] - -__version__ = "3.0.12" - - -_logger = None -def logger(): - """Returns the logger instance used in this module.""" - global _logger - _logger = _logger or logging.getLogger(__name__) - return _logger - - -# Exceptions -# ------------------------------------------------ -class Timeout(TimeoutError): - """ - Raised when the lock could not be acquired in *timeout* - seconds. - """ - - def __init__(self, lock_file): - """ - """ - #: The path of the file lock. - self.lock_file = lock_file - return None - - def __str__(self): - temp = "The file lock '{}' could not be acquired."\ - .format(self.lock_file) - return temp - - -# Classes -# ------------------------------------------------ - -# This is a helper class which is returned by :meth:`BaseFileLock.acquire` -# and wraps the lock to make sure __enter__ is not called twice when entering -# the with statement. -# If we would simply return *self*, the lock would be acquired again -# in the *__enter__* method of the BaseFileLock, but not released again -# automatically. -# -# :seealso: issue #37 (memory leak) -class _Acquire_ReturnProxy(object): - - def __init__(self, lock): - self.lock = lock - return None - - def __enter__(self): - return self.lock - - def __exit__(self, exc_type, exc_value, traceback): - self.lock.release() - return None - - -class BaseFileLock(object): - """ - Implements the base class of a file lock. - """ - - def __init__(self, lock_file, timeout = -1): - """ - """ - # The path to the lock file. - self._lock_file = lock_file - - # The file descriptor for the *_lock_file* as it is returned by the - # os.open() function. - # This file lock is only NOT None, if the object currently holds the - # lock. - self._lock_file_fd = None - - # The default timeout value. - self.timeout = timeout - - # We use this lock primarily for the lock counter. - self._thread_lock = threading.Lock() - - # The lock counter is used for implementing the nested locking - # mechanism. Whenever the lock is acquired, the counter is increased and - # the lock is only released, when this value is 0 again. - self._lock_counter = 0 - return None - - @property - def lock_file(self): - """ - The path to the lock file. - """ - return self._lock_file - - @property - def timeout(self): - """ - You can set a default timeout for the filelock. It will be used as - fallback value in the acquire method, if no timeout value (*None*) is - given. - - If you want to disable the timeout, set it to a negative value. - - A timeout of 0 means, that there is exactly one attempt to acquire the - file lock. - - .. versionadded:: 2.0.0 - """ - return self._timeout - - @timeout.setter - def timeout(self, value): - """ - """ - self._timeout = float(value) - return None - - # Platform dependent locking - # -------------------------------------------- - - def _acquire(self): - """ - Platform dependent. If the file lock could be - acquired, self._lock_file_fd holds the file descriptor - of the lock file. - """ - raise NotImplementedError() - - def _release(self): - """ - Releases the lock and sets self._lock_file_fd to None. - """ - raise NotImplementedError() - - # Platform independent methods - # -------------------------------------------- - - @property - def is_locked(self): - """ - True, if the object holds the file lock. - - .. versionchanged:: 2.0.0 - - This was previously a method and is now a property. - """ - return self._lock_file_fd is not None - - def acquire(self, timeout=None, poll_intervall=0.05): - """ - Acquires the file lock or fails with a :exc:`Timeout` error. - - .. code-block:: python - - # You can use this method in the context manager (recommended) - with lock.acquire(): - pass - - # Or use an equivalent try-finally construct: - lock.acquire() - try: - pass - finally: - lock.release() - - :arg float timeout: - The maximum time waited for the file lock. - If ``timeout < 0``, there is no timeout and this method will - block until the lock could be acquired. - If ``timeout`` is None, the default :attr:`~timeout` is used. - - :arg float poll_intervall: - We check once in *poll_intervall* seconds if we can acquire the - file lock. - - :raises Timeout: - if the lock could not be acquired in *timeout* seconds. - - .. versionchanged:: 2.0.0 - - This method returns now a *proxy* object instead of *self*, - so that it can be used in a with statement without side effects. - """ - # Use the default timeout, if no timeout is provided. - if timeout is None: - timeout = self.timeout - - # Increment the number right at the beginning. - # We can still undo it, if something fails. - with self._thread_lock: - self._lock_counter += 1 - - lock_id = id(self) - lock_filename = self._lock_file - start_time = time.time() - try: - while True: - with self._thread_lock: - if not self.is_locked: - logger().debug('Attempting to acquire lock %s on %s', lock_id, lock_filename) - self._acquire() - - if self.is_locked: - logger().info('Lock %s acquired on %s', lock_id, lock_filename) - break - elif timeout >= 0 and time.time() - start_time > timeout: - logger().debug('Timeout on acquiring lock %s on %s', lock_id, lock_filename) - raise Timeout(self._lock_file) - else: - logger().debug( - 'Lock %s not acquired on %s, waiting %s seconds ...', - lock_id, lock_filename, poll_intervall - ) - time.sleep(poll_intervall) - except: - # Something did go wrong, so decrement the counter. - with self._thread_lock: - self._lock_counter = max(0, self._lock_counter - 1) - - raise - return _Acquire_ReturnProxy(lock = self) - - def release(self, force = False): - """ - Releases the file lock. - - Please note, that the lock is only completly released, if the lock - counter is 0. - - Also note, that the lock file itself is not automatically deleted. - - :arg bool force: - If true, the lock counter is ignored and the lock is released in - every case. - """ - with self._thread_lock: - - if self.is_locked: - self._lock_counter -= 1 - - if self._lock_counter == 0 or force: - lock_id = id(self) - lock_filename = self._lock_file - - logger().debug('Attempting to release lock %s on %s', lock_id, lock_filename) - self._release() - self._lock_counter = 0 - logger().info('Lock %s released on %s', lock_id, lock_filename) - - return None - - def __enter__(self): - self.acquire() - return self - - def __exit__(self, exc_type, exc_value, traceback): - self.release() - return None - - def __del__(self): - self.release(force = True) - return None - - -# Windows locking mechanism -# ~~~~~~~~~~~~~~~~~~~~~~~~~ - -class WindowsFileLock(BaseFileLock): - """ - Uses the :func:`msvcrt.locking` function to hard lock the lock file on - windows systems. - """ - - def _acquire(self): - open_mode = os.O_RDWR | os.O_CREAT | os.O_TRUNC - - try: - fd = os.open(self._lock_file, open_mode) - except OSError: - pass - else: - try: - msvcrt.locking(fd, msvcrt.LK_NBLCK, 1) - except (IOError, OSError): - os.close(fd) - else: - self._lock_file_fd = fd - return None - - def _release(self): - fd = self._lock_file_fd - self._lock_file_fd = None - msvcrt.locking(fd, msvcrt.LK_UNLCK, 1) - os.close(fd) - - try: - os.remove(self._lock_file) - # Probably another instance of the application - # that acquired the file lock. - except OSError: - pass - return None - -# Unix locking mechanism -# ~~~~~~~~~~~~~~~~~~~~~~ - -class UnixFileLock(BaseFileLock): - """ - Uses the :func:`fcntl.flock` to hard lock the lock file on unix systems. - """ - - def _acquire(self): - open_mode = os.O_RDWR | os.O_CREAT | os.O_TRUNC - fd = os.open(self._lock_file, open_mode) - - try: - fcntl.flock(fd, fcntl.LOCK_EX | fcntl.LOCK_NB) - except (IOError, OSError): - os.close(fd) - else: - self._lock_file_fd = fd - return None - - def _release(self): - # Do not remove the lockfile: - # - # https://github.com/benediktschmitt/py-filelock/issues/31 - # https://stackoverflow.com/questions/17708885/flock-removing-locked-file-without-race-condition - fd = self._lock_file_fd - self._lock_file_fd = None - fcntl.flock(fd, fcntl.LOCK_UN) - os.close(fd) - return None - -# Soft lock -# ~~~~~~~~~ - -class SoftFileLock(BaseFileLock): - """ - Simply watches the existence of the lock file. - """ - - def _acquire(self): - open_mode = os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC - try: - fd = os.open(self._lock_file, open_mode) - except (IOError, OSError): - pass - else: - self._lock_file_fd = fd - return None - - def _release(self): - os.close(self._lock_file_fd) - self._lock_file_fd = None - - try: - os.remove(self._lock_file) - # The file is already deleted and that's what we want. - except OSError: - pass - return None - - -# Platform filelock -# ~~~~~~~~~~~~~~~~~ - -#: Alias for the lock, which should be used for the current platform. On -#: Windows, this is an alias for :class:`WindowsFileLock`, on Unix for -#: :class:`UnixFileLock` and otherwise for :class:`SoftFileLock`. -FileLock = None - -if msvcrt: - FileLock = WindowsFileLock -elif fcntl: - FileLock = UnixFileLock -else: - FileLock = SoftFileLock - - if warnings is not None: - warnings.warn("only soft file lock is available") diff --git a/collectors/python.d.plugin/python_modules/third_party/lm_sensors.py b/collectors/python.d.plugin/python_modules/third_party/lm_sensors.py deleted file mode 100644 index f873eac83..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/lm_sensors.py +++ /dev/null @@ -1,327 +0,0 @@ -# SPDX-License-Identifier: LGPL-2.1 -""" -@package sensors.py -Python Bindings for libsensors3 - -use the documentation of libsensors for the low level API. -see example.py for high level API usage. - -@author: Pavel Rojtberg (http://www.rojtberg.net) -@see: https://github.com/paroj/sensors.py -@copyright: LGPLv2 (same as libsensors) <http://opensource.org/licenses/LGPL-2.1> -""" - -from ctypes import * -import ctypes.util - -_libc = cdll.LoadLibrary(ctypes.util.find_library("c")) -# see https://github.com/paroj/sensors.py/issues/1 -_libc.free.argtypes = [c_void_p] - -_hdl = cdll.LoadLibrary(ctypes.util.find_library("sensors")) - -version = c_char_p.in_dll(_hdl, "libsensors_version").value.decode("ascii") - - -class SensorsError(Exception): - pass - - -class ErrorWildcards(SensorsError): - pass - - -class ErrorNoEntry(SensorsError): - pass - - -class ErrorAccessRead(SensorsError, OSError): - pass - - -class ErrorKernel(SensorsError, OSError): - pass - - -class ErrorDivZero(SensorsError, ZeroDivisionError): - pass - - -class ErrorChipName(SensorsError): - pass - - -class ErrorBusName(SensorsError): - pass - - -class ErrorParse(SensorsError): - pass - - -class ErrorAccessWrite(SensorsError, OSError): - pass - - -class ErrorIO(SensorsError, IOError): - pass - - -class ErrorRecursion(SensorsError): - pass - - -_ERR_MAP = { - 1: ErrorWildcards, - 2: ErrorNoEntry, - 3: ErrorAccessRead, - 4: ErrorKernel, - 5: ErrorDivZero, - 6: ErrorChipName, - 7: ErrorBusName, - 8: ErrorParse, - 9: ErrorAccessWrite, - 10: ErrorIO, - 11: ErrorRecursion -} - - -def raise_sensor_error(errno, message=''): - raise _ERR_MAP[abs(errno)](message) - - -class bus_id(Structure): - _fields_ = [("type", c_short), - ("nr", c_short)] - - -class chip_name(Structure): - _fields_ = [("prefix", c_char_p), - ("bus", bus_id), - ("addr", c_int), - ("path", c_char_p)] - - -class feature(Structure): - _fields_ = [("name", c_char_p), - ("number", c_int), - ("type", c_int)] - - # sensors_feature_type - IN = 0x00 - FAN = 0x01 - TEMP = 0x02 - POWER = 0x03 - ENERGY = 0x04 - CURR = 0x05 - HUMIDITY = 0x06 - MAX_MAIN = 0x7 - VID = 0x10 - INTRUSION = 0x11 - MAX_OTHER = 0x12 - BEEP_ENABLE = 0x18 - - -class subfeature(Structure): - _fields_ = [("name", c_char_p), - ("number", c_int), - ("type", c_int), - ("mapping", c_int), - ("flags", c_uint)] - - -_hdl.sensors_get_detected_chips.restype = POINTER(chip_name) -_hdl.sensors_get_features.restype = POINTER(feature) -_hdl.sensors_get_all_subfeatures.restype = POINTER(subfeature) -_hdl.sensors_get_label.restype = c_void_p # return pointer instead of str so we can free it -_hdl.sensors_get_adapter_name.restype = c_char_p # docs do not say whether to free this or not -_hdl.sensors_strerror.restype = c_char_p - -### RAW API ### -MODE_R = 1 -MODE_W = 2 -COMPUTE_MAPPING = 4 - - -def init(cfg_file=None): - file = _libc.fopen(cfg_file.encode("utf-8"), "r") if cfg_file is not None else None - - result = _hdl.sensors_init(file) - if result != 0: - raise_sensor_error(result, "sensors_init failed") - - if file is not None: - _libc.fclose(file) - - -def cleanup(): - _hdl.sensors_cleanup() - - -def parse_chip_name(orig_name): - ret = chip_name() - err = _hdl.sensors_parse_chip_name(orig_name.encode("utf-8"), byref(ret)) - - if err < 0: - raise_sensor_error(err, strerror(err)) - - return ret - - -def strerror(errnum): - return _hdl.sensors_strerror(errnum).decode("utf-8") - - -def free_chip_name(chip): - _hdl.sensors_free_chip_name(byref(chip)) - - -def get_detected_chips(match, nr): - """ - @return: (chip, next nr to query) - """ - _nr = c_int(nr) - - if match is not None: - match = byref(match) - - chip = _hdl.sensors_get_detected_chips(match, byref(_nr)) - chip = chip.contents if bool(chip) else None - return chip, _nr.value - - -def chip_snprintf_name(chip, buffer_size=200): - """ - @param buffer_size defaults to the size used in the sensors utility - """ - ret = create_string_buffer(buffer_size) - err = _hdl.sensors_snprintf_chip_name(ret, buffer_size, byref(chip)) - - if err < 0: - raise_sensor_error(err, strerror(err)) - - return ret.value.decode("utf-8") - - -def do_chip_sets(chip): - """ - @attention this function was not tested - """ - err = _hdl.sensors_do_chip_sets(byref(chip)) - if err < 0: - raise_sensor_error(err, strerror(err)) - - -def get_adapter_name(bus): - return _hdl.sensors_get_adapter_name(byref(bus)).decode("utf-8") - - -def get_features(chip, nr): - """ - @return: (feature, next nr to query) - """ - _nr = c_int(nr) - feature = _hdl.sensors_get_features(byref(chip), byref(_nr)) - feature = feature.contents if bool(feature) else None - return feature, _nr.value - - -def get_label(chip, feature): - ptr = _hdl.sensors_get_label(byref(chip), byref(feature)) - val = cast(ptr, c_char_p).value.decode("utf-8") - _libc.free(ptr) - return val - - -def get_all_subfeatures(chip, feature, nr): - """ - @return: (subfeature, next nr to query) - """ - _nr = c_int(nr) - subfeature = _hdl.sensors_get_all_subfeatures(byref(chip), byref(feature), byref(_nr)) - subfeature = subfeature.contents if bool(subfeature) else None - return subfeature, _nr.value - - -def get_value(chip, subfeature_nr): - val = c_double() - err = _hdl.sensors_get_value(byref(chip), subfeature_nr, byref(val)) - if err < 0: - raise_sensor_error(err, strerror(err)) - return val.value - - -def set_value(chip, subfeature_nr, value): - """ - @attention this function was not tested - """ - val = c_double(value) - err = _hdl.sensors_set_value(byref(chip), subfeature_nr, byref(val)) - if err < 0: - raise_sensor_error(err, strerror(err)) - - -### Convenience API ### -class ChipIterator: - def __init__(self, match=None): - self.match = parse_chip_name(match) if match is not None else None - self.nr = 0 - - def __iter__(self): - return self - - def __next__(self): - chip, self.nr = get_detected_chips(self.match, self.nr) - - if chip is None: - raise StopIteration - - return chip - - def __del__(self): - if self.match is not None: - free_chip_name(self.match) - - def next(self): # python2 compability - return self.__next__() - - -class FeatureIterator: - def __init__(self, chip): - self.chip = chip - self.nr = 0 - - def __iter__(self): - return self - - def __next__(self): - feature, self.nr = get_features(self.chip, self.nr) - - if feature is None: - raise StopIteration - - return feature - - def next(self): # python2 compability - return self.__next__() - - -class SubFeatureIterator: - def __init__(self, chip, feature): - self.chip = chip - self.feature = feature - self.nr = 0 - - def __iter__(self): - return self - - def __next__(self): - subfeature, self.nr = get_all_subfeatures(self.chip, self.feature, self.nr) - - if subfeature is None: - raise StopIteration - - return subfeature - - def next(self): # python2 compability - return self.__next__() diff --git a/collectors/python.d.plugin/python_modules/third_party/mcrcon.py b/collectors/python.d.plugin/python_modules/third_party/mcrcon.py deleted file mode 100644 index a65a304b6..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/mcrcon.py +++ /dev/null @@ -1,74 +0,0 @@ -# Minecraft Remote Console module. -# -# Copyright (C) 2015 Barnaby Gale -# -# SPDX-License-Identifier: MIT - -import socket -import select -import struct -import time - - -class MCRconException(Exception): - pass - - -class MCRcon(object): - socket = None - - def connect(self, host, port, password): - if self.socket is not None: - raise MCRconException("Already connected") - self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) - self.socket.settimeout(0.9) - self.socket.connect((host, port)) - self.send(3, password) - - def disconnect(self): - if self.socket is None: - raise MCRconException("Already disconnected") - self.socket.close() - self.socket = None - - def read(self, length): - data = b"" - while len(data) < length: - data += self.socket.recv(length - len(data)) - return data - - def send(self, out_type, out_data): - if self.socket is None: - raise MCRconException("Must connect before sending data") - - # Send a request packet - out_payload = struct.pack('<ii', 0, out_type) + out_data.encode('utf8') + b'\x00\x00' - out_length = struct.pack('<i', len(out_payload)) - self.socket.send(out_length + out_payload) - - # Read response packets - in_data = "" - while True: - # Read a packet - in_length, = struct.unpack('<i', self.read(4)) - in_payload = self.read(in_length) - in_id = struct.unpack('<ii', in_payload[:8]) - in_data_partial, in_padding = in_payload[8:-2], in_payload[-2:] - - # Sanity checks - if in_padding != b'\x00\x00': - raise MCRconException("Incorrect padding") - if in_id == -1: - raise MCRconException("Login failed") - - # Record the response - in_data += in_data_partial.decode('utf8') - - # If there's nothing more to receive, return the response - if len(select.select([self.socket], [], [], 0)[0]) == 0: - return in_data - - def command(self, command): - result = self.send(2, command) - time.sleep(0.003) # MC-72390 workaround - return result diff --git a/collectors/python.d.plugin/python_modules/third_party/monotonic.py b/collectors/python.d.plugin/python_modules/third_party/monotonic.py deleted file mode 100644 index 4ebd556c3..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/monotonic.py +++ /dev/null @@ -1,201 +0,0 @@ -# -*- coding: utf-8 -*- -# -# SPDX-License-Identifier: Apache-2.0 -""" - monotonic - ~~~~~~~~~ - - This module provides a ``monotonic()`` function which returns the - value (in fractional seconds) of a clock which never goes backwards. - - On Python 3.3 or newer, ``monotonic`` will be an alias of - ``time.monotonic`` from the standard library. On older versions, - it will fall back to an equivalent implementation: - - +-------------+----------------------------------------+ - | Linux, BSD | ``clock_gettime(3)`` | - +-------------+----------------------------------------+ - | Windows | ``GetTickCount`` or ``GetTickCount64`` | - +-------------+----------------------------------------+ - | OS X | ``mach_absolute_time`` | - +-------------+----------------------------------------+ - - If no suitable implementation exists for the current platform, - attempting to import this module (or to import from it) will - cause a ``RuntimeError`` exception to be raised. - - - Copyright 2014, 2015, 2016 Ori Livneh <ori@wikimedia.org> - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. - -""" -import time - - -__all__ = ('monotonic',) - - -try: - monotonic = time.monotonic -except AttributeError: - import ctypes - import ctypes.util - import os - import sys - import threading - - - def clock_clock_gettime_c_library(): - return ctypes.CDLL(ctypes.util.find_library('c'), use_errno=True).clock_gettime - - - def clock_clock_gettime_rt_library(): - return ctypes.CDLL(ctypes.util.find_library('rt'), use_errno=True).clock_gettime - - - def clock_clock_gettime_c_library_synology6(): - return ctypes.CDLL('/usr/lib/libc.so.6', use_errno=True).clock_gettime - - - def clock_clock_gettime_rt_library_synology6(): - return ctypes.CDLL('/usr/lib/librt.so.1', use_errno=True).clock_gettime - - - def clock_gettime_linux(): - # see https://github.com/netdata/netdata/issues/7976 - order = [ - clock_clock_gettime_c_library, - clock_clock_gettime_rt_library, - clock_clock_gettime_c_library_synology6, - clock_clock_gettime_rt_library_synology6, - ] - - for gettime in order: - try: - return gettime() - except (RuntimeError, AttributeError, OSError): - continue - raise RuntimeError('can not find c and rt libraries') - - - try: - if sys.platform == 'darwin': # OS X, iOS - # See Technical Q&A QA1398 of the Mac Developer Library: - # <https://developer.apple.com/library/mac/qa/qa1398/> - libc = ctypes.CDLL('/usr/lib/libc.dylib', use_errno=True) - - class mach_timebase_info_data_t(ctypes.Structure): - """System timebase info. Defined in <mach/mach_time.h>.""" - _fields_ = (('numer', ctypes.c_uint32), - ('denom', ctypes.c_uint32)) - - mach_absolute_time = libc.mach_absolute_time - mach_absolute_time.restype = ctypes.c_uint64 - - timebase = mach_timebase_info_data_t() - libc.mach_timebase_info(ctypes.byref(timebase)) - ticks_per_second = timebase.numer / timebase.denom * 1.0e9 - - def monotonic(): - """Monotonic clock, cannot go backward.""" - return mach_absolute_time() / ticks_per_second - - elif sys.platform.startswith('win32') or sys.platform.startswith('cygwin'): - if sys.platform.startswith('cygwin'): - # Note: cygwin implements clock_gettime (CLOCK_MONOTONIC = 4) since - # version 1.7.6. Using raw WinAPI for maximum version compatibility. - - # Ugly hack using the wrong calling convention (in 32-bit mode) - # because ctypes has no windll under cygwin (and it also seems that - # the code letting you select stdcall in _ctypes doesn't exist under - # the preprocessor definitions relevant to cygwin). - # This is 'safe' because: - # 1. The ABI of GetTickCount and GetTickCount64 is identical for - # both calling conventions because they both have no parameters. - # 2. libffi masks the problem because after making the call it doesn't - # touch anything through esp and epilogue code restores a correct - # esp from ebp afterwards. - try: - kernel32 = ctypes.cdll.kernel32 - except OSError: # 'No such file or directory' - kernel32 = ctypes.cdll.LoadLibrary('kernel32.dll') - else: - kernel32 = ctypes.windll.kernel32 - - GetTickCount64 = getattr(kernel32, 'GetTickCount64', None) - if GetTickCount64: - # Windows Vista / Windows Server 2008 or newer. - GetTickCount64.restype = ctypes.c_ulonglong - - def monotonic(): - """Monotonic clock, cannot go backward.""" - return GetTickCount64() / 1000.0 - - else: - # Before Windows Vista. - GetTickCount = kernel32.GetTickCount - GetTickCount.restype = ctypes.c_uint32 - - get_tick_count_lock = threading.Lock() - get_tick_count_last_sample = 0 - get_tick_count_wraparounds = 0 - - def monotonic(): - """Monotonic clock, cannot go backward.""" - global get_tick_count_last_sample - global get_tick_count_wraparounds - - with get_tick_count_lock: - current_sample = GetTickCount() - if current_sample < get_tick_count_last_sample: - get_tick_count_wraparounds += 1 - get_tick_count_last_sample = current_sample - - final_milliseconds = get_tick_count_wraparounds << 32 - final_milliseconds += get_tick_count_last_sample - return final_milliseconds / 1000.0 - - else: - clock_gettime = clock_gettime_linux() - - class timespec(ctypes.Structure): - """Time specification, as described in clock_gettime(3).""" - _fields_ = (('tv_sec', ctypes.c_long), - ('tv_nsec', ctypes.c_long)) - - if sys.platform.startswith('linux'): - CLOCK_MONOTONIC = 1 - elif sys.platform.startswith('freebsd'): - CLOCK_MONOTONIC = 4 - elif sys.platform.startswith('sunos5'): - CLOCK_MONOTONIC = 4 - elif 'bsd' in sys.platform: - CLOCK_MONOTONIC = 3 - elif sys.platform.startswith('aix'): - CLOCK_MONOTONIC = ctypes.c_longlong(10) - - def monotonic(): - """Monotonic clock, cannot go backward.""" - ts = timespec() - if clock_gettime(CLOCK_MONOTONIC, ctypes.pointer(ts)): - errno = ctypes.get_errno() - raise OSError(errno, os.strerror(errno)) - return ts.tv_sec + ts.tv_nsec / 1.0e9 - - # Perform a sanity-check. - if monotonic() - monotonic() > 0: - raise ValueError('monotonic() is not monotonic!') - - except Exception as e: - raise RuntimeError('no suitable implementation for this system: ' + repr(e)) diff --git a/collectors/python.d.plugin/python_modules/third_party/ordereddict.py b/collectors/python.d.plugin/python_modules/third_party/ordereddict.py deleted file mode 100644 index 589401b8f..000000000 --- a/collectors/python.d.plugin/python_modules/third_party/ordereddict.py +++ /dev/null @@ -1,110 +0,0 @@ -# Copyright (c) 2009 Raymond Hettinger -# -# SPDX-License-Identifier: MIT - -from UserDict import DictMixin - - -class OrderedDict(dict, DictMixin): - - def __init__(self, *args, **kwds): - if len(args) > 1: - raise TypeError('expected at most 1 arguments, got %d' % len(args)) - try: - self.__end - except AttributeError: - self.clear() - self.update(*args, **kwds) - - def clear(self): - self.__end = end = [] - end += [None, end, end] # sentinel node for doubly linked list - self.__map = {} # key --> [key, prev, next] - dict.clear(self) - - def __setitem__(self, key, value): - if key not in self: - end = self.__end - curr = end[1] - curr[2] = end[1] = self.__map[key] = [key, curr, end] - dict.__setitem__(self, key, value) - - def __delitem__(self, key): - dict.__delitem__(self, key) - key, prev, next = self.__map.pop(key) - prev[2] = next - next[1] = prev - - def __iter__(self): - end = self.__end - curr = end[2] - while curr is not end: - yield curr[0] - curr = curr[2] - - def __reversed__(self): - end = self.__end - curr = end[1] - while curr is not end: - yield curr[0] - curr = curr[1] - - def popitem(self, last=True): - if not self: - raise KeyError('dictionary is empty') - if last: - key = reversed(self).next() - else: - key = iter(self).next() - value = self.pop(key) - return key, value - - def __reduce__(self): - items = [[k, self[k]] for k in self] - tmp = self.__map, self.__end - del self.__map, self.__end - inst_dict = vars(self).copy() - self.__map, self.__end = tmp - if inst_dict: - return self.__class__, (items,), inst_dict - return self.__class__, (items,) - - def keys(self): - return list(self) - - setdefault = DictMixin.setdefault - update = DictMixin.update - pop = DictMixin.pop - values = DictMixin.values - items = DictMixin.items - iterkeys = DictMixin.iterkeys - itervalues = DictMixin.itervalues - iteritems = DictMixin.iteritems - - def __repr__(self): - if not self: - return '%s()' % (self.__class__.__name__,) - return '%s(%r)' % (self.__class__.__name__, self.items()) - - def copy(self): - return self.__class__(self) - - @classmethod - def fromkeys(cls, iterable, value=None): - d = cls() - for key in iterable: - d[key] = value - return d - - def __eq__(self, other): - if isinstance(other, OrderedDict): - if len(self) != len(other): - return False - for p, q in zip(self.items(), other.items()): - if p != q: - return False - return True - return dict.__eq__(self, other) - - def __ne__(self, other): - return not self == other diff --git a/collectors/python.d.plugin/python_modules/urllib3/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/__init__.py deleted file mode 100644 index 3add84816..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/__init__.py +++ /dev/null @@ -1,98 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -urllib3 - Thread-safe connection pooling and re-using. -""" - -from __future__ import absolute_import -import warnings - -from .connectionpool import ( - HTTPConnectionPool, - HTTPSConnectionPool, - connection_from_url -) - -from . import exceptions -from .filepost import encode_multipart_formdata -from .poolmanager import PoolManager, ProxyManager, proxy_from_url -from .response import HTTPResponse -from .util.request import make_headers -from .util.url import get_host -from .util.timeout import Timeout -from .util.retry import Retry - - -# Set default logging handler to avoid "No handler found" warnings. -import logging -try: # Python 2.7+ - from logging import NullHandler -except ImportError: - class NullHandler(logging.Handler): - def emit(self, record): - pass - -__author__ = 'Andrey Petrov (andrey.petrov@shazow.net)' -__license__ = 'MIT' -__version__ = '1.21.1' - -__all__ = ( - 'HTTPConnectionPool', - 'HTTPSConnectionPool', - 'PoolManager', - 'ProxyManager', - 'HTTPResponse', - 'Retry', - 'Timeout', - 'add_stderr_logger', - 'connection_from_url', - 'disable_warnings', - 'encode_multipart_formdata', - 'get_host', - 'make_headers', - 'proxy_from_url', -) - -logging.getLogger(__name__).addHandler(NullHandler()) - - -def add_stderr_logger(level=logging.DEBUG): - """ - Helper for quickly adding a StreamHandler to the logger. Useful for - debugging. - - Returns the handler after adding it. - """ - # This method needs to be in this __init__.py to get the __name__ correct - # even if urllib3 is vendored within another package. - logger = logging.getLogger(__name__) - handler = logging.StreamHandler() - handler.setFormatter(logging.Formatter('%(asctime)s %(levelname)s %(message)s')) - logger.addHandler(handler) - logger.setLevel(level) - logger.debug('Added a stderr logging handler to logger: %s', __name__) - return handler - - -# ... Clean up. -del NullHandler - - -# All warning filters *must* be appended unless you're really certain that they -# shouldn't be: otherwise, it's very hard for users to use most Python -# mechanisms to silence them. -# SecurityWarning's always go off by default. -warnings.simplefilter('always', exceptions.SecurityWarning, append=True) -# SubjectAltNameWarning's should go off once per host -warnings.simplefilter('default', exceptions.SubjectAltNameWarning, append=True) -# InsecurePlatformWarning's don't vary between requests, so we keep it default. -warnings.simplefilter('default', exceptions.InsecurePlatformWarning, - append=True) -# SNIMissingWarnings should go off only once. -warnings.simplefilter('default', exceptions.SNIMissingWarning, append=True) - - -def disable_warnings(category=exceptions.HTTPWarning): - """ - Helper for quickly disabling all urllib3 warnings. - """ - warnings.simplefilter('ignore', category) diff --git a/collectors/python.d.plugin/python_modules/urllib3/_collections.py b/collectors/python.d.plugin/python_modules/urllib3/_collections.py deleted file mode 100644 index 2a6b3ec70..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/_collections.py +++ /dev/null @@ -1,320 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import - -try: - from collections import Mapping, MutableMapping -except ImportError: - from collections.abc import Mapping, MutableMapping - -try: - from threading import RLock -except ImportError: # Platform-specific: No threads available - class RLock: - def __enter__(self): - pass - - def __exit__(self, exc_type, exc_value, traceback): - pass - - -try: # Python 2.7+ - from collections import OrderedDict -except ImportError: - from .packages.ordered_dict import OrderedDict -from .packages.six import iterkeys, itervalues, PY3 - - -__all__ = ['RecentlyUsedContainer', 'HTTPHeaderDict'] - - -_Null = object() - - -class RecentlyUsedContainer(MutableMapping): - """ - Provides a thread-safe dict-like container which maintains up to - ``maxsize`` keys while throwing away the least-recently-used keys beyond - ``maxsize``. - - :param maxsize: - Maximum number of recent elements to retain. - - :param dispose_func: - Every time an item is evicted from the container, - ``dispose_func(value)`` is called. Callback which will get called - """ - - ContainerCls = OrderedDict - - def __init__(self, maxsize=10, dispose_func=None): - self._maxsize = maxsize - self.dispose_func = dispose_func - - self._container = self.ContainerCls() - self.lock = RLock() - - def __getitem__(self, key): - # Re-insert the item, moving it to the end of the eviction line. - with self.lock: - item = self._container.pop(key) - self._container[key] = item - return item - - def __setitem__(self, key, value): - evicted_value = _Null - with self.lock: - # Possibly evict the existing value of 'key' - evicted_value = self._container.get(key, _Null) - self._container[key] = value - - # If we didn't evict an existing value, we might have to evict the - # least recently used item from the beginning of the container. - if len(self._container) > self._maxsize: - _key, evicted_value = self._container.popitem(last=False) - - if self.dispose_func and evicted_value is not _Null: - self.dispose_func(evicted_value) - - def __delitem__(self, key): - with self.lock: - value = self._container.pop(key) - - if self.dispose_func: - self.dispose_func(value) - - def __len__(self): - with self.lock: - return len(self._container) - - def __iter__(self): - raise NotImplementedError('Iteration over this class is unlikely to be threadsafe.') - - def clear(self): - with self.lock: - # Copy pointers to all values, then wipe the mapping - values = list(itervalues(self._container)) - self._container.clear() - - if self.dispose_func: - for value in values: - self.dispose_func(value) - - def keys(self): - with self.lock: - return list(iterkeys(self._container)) - - -class HTTPHeaderDict(MutableMapping): - """ - :param headers: - An iterable of field-value pairs. Must not contain multiple field names - when compared case-insensitively. - - :param kwargs: - Additional field-value pairs to pass in to ``dict.update``. - - A ``dict`` like container for storing HTTP Headers. - - Field names are stored and compared case-insensitively in compliance with - RFC 7230. Iteration provides the first case-sensitive key seen for each - case-insensitive pair. - - Using ``__setitem__`` syntax overwrites fields that compare equal - case-insensitively in order to maintain ``dict``'s api. For fields that - compare equal, instead create a new ``HTTPHeaderDict`` and use ``.add`` - in a loop. - - If multiple fields that are equal case-insensitively are passed to the - constructor or ``.update``, the behavior is undefined and some will be - lost. - - >>> headers = HTTPHeaderDict() - >>> headers.add('Set-Cookie', 'foo=bar') - >>> headers.add('set-cookie', 'baz=quxx') - >>> headers['content-length'] = '7' - >>> headers['SET-cookie'] - 'foo=bar, baz=quxx' - >>> headers['Content-Length'] - '7' - """ - - def __init__(self, headers=None, **kwargs): - super(HTTPHeaderDict, self).__init__() - self._container = OrderedDict() - if headers is not None: - if isinstance(headers, HTTPHeaderDict): - self._copy_from(headers) - else: - self.extend(headers) - if kwargs: - self.extend(kwargs) - - def __setitem__(self, key, val): - self._container[key.lower()] = [key, val] - return self._container[key.lower()] - - def __getitem__(self, key): - val = self._container[key.lower()] - return ', '.join(val[1:]) - - def __delitem__(self, key): - del self._container[key.lower()] - - def __contains__(self, key): - return key.lower() in self._container - - def __eq__(self, other): - if not isinstance(other, Mapping) and not hasattr(other, 'keys'): - return False - if not isinstance(other, type(self)): - other = type(self)(other) - return (dict((k.lower(), v) for k, v in self.itermerged()) == - dict((k.lower(), v) for k, v in other.itermerged())) - - def __ne__(self, other): - return not self.__eq__(other) - - if not PY3: # Python 2 - iterkeys = MutableMapping.iterkeys - itervalues = MutableMapping.itervalues - - __marker = object() - - def __len__(self): - return len(self._container) - - def __iter__(self): - # Only provide the originally cased names - for vals in self._container.values(): - yield vals[0] - - def pop(self, key, default=__marker): - '''D.pop(k[,d]) -> v, remove specified key and return the corresponding value. - If key is not found, d is returned if given, otherwise KeyError is raised. - ''' - # Using the MutableMapping function directly fails due to the private marker. - # Using ordinary dict.pop would expose the internal structures. - # So let's reinvent the wheel. - try: - value = self[key] - except KeyError: - if default is self.__marker: - raise - return default - else: - del self[key] - return value - - def discard(self, key): - try: - del self[key] - except KeyError: - pass - - def add(self, key, val): - """Adds a (name, value) pair, doesn't overwrite the value if it already - exists. - - >>> headers = HTTPHeaderDict(foo='bar') - >>> headers.add('Foo', 'baz') - >>> headers['foo'] - 'bar, baz' - """ - key_lower = key.lower() - new_vals = [key, val] - # Keep the common case aka no item present as fast as possible - vals = self._container.setdefault(key_lower, new_vals) - if new_vals is not vals: - vals.append(val) - - def extend(self, *args, **kwargs): - """Generic import function for any type of header-like object. - Adapted version of MutableMapping.update in order to insert items - with self.add instead of self.__setitem__ - """ - if len(args) > 1: - raise TypeError("extend() takes at most 1 positional " - "arguments ({0} given)".format(len(args))) - other = args[0] if len(args) >= 1 else () - - if isinstance(other, HTTPHeaderDict): - for key, val in other.iteritems(): - self.add(key, val) - elif isinstance(other, Mapping): - for key in other: - self.add(key, other[key]) - elif hasattr(other, "keys"): - for key in other.keys(): - self.add(key, other[key]) - else: - for key, value in other: - self.add(key, value) - - for key, value in kwargs.items(): - self.add(key, value) - - def getlist(self, key): - """Returns a list of all the values for the named field. Returns an - empty list if the key doesn't exist.""" - try: - vals = self._container[key.lower()] - except KeyError: - return [] - else: - return vals[1:] - - # Backwards compatibility for httplib - getheaders = getlist - getallmatchingheaders = getlist - iget = getlist - - def __repr__(self): - return "%s(%s)" % (type(self).__name__, dict(self.itermerged())) - - def _copy_from(self, other): - for key in other: - val = other.getlist(key) - if isinstance(val, list): - # Don't need to convert tuples - val = list(val) - self._container[key.lower()] = [key] + val - - def copy(self): - clone = type(self)() - clone._copy_from(self) - return clone - - def iteritems(self): - """Iterate over all header lines, including duplicate ones.""" - for key in self: - vals = self._container[key.lower()] - for val in vals[1:]: - yield vals[0], val - - def itermerged(self): - """Iterate over all headers, merging duplicate ones together.""" - for key in self: - val = self._container[key.lower()] - yield val[0], ', '.join(val[1:]) - - def items(self): - return list(self.iteritems()) - - @classmethod - def from_httplib(cls, message): # Python 2 - """Read headers from a Python 2 httplib message object.""" - # python2.7 does not expose a proper API for exporting multiheaders - # efficiently. This function re-reads raw lines from the message - # object and extracts the multiheaders properly. - headers = [] - - for line in message.headers: - if line.startswith((' ', '\t')): - key, value = headers[-1] - headers[-1] = (key, value + '\r\n' + line.rstrip()) - continue - - key, value = line.split(':', 1) - headers.append((key, value.strip())) - - return cls(headers) diff --git a/collectors/python.d.plugin/python_modules/urllib3/connection.py b/collectors/python.d.plugin/python_modules/urllib3/connection.py deleted file mode 100644 index f757493c7..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/connection.py +++ /dev/null @@ -1,374 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import datetime -import logging -import os -import sys -import socket -from socket import error as SocketError, timeout as SocketTimeout -import warnings -from .packages import six -from .packages.six.moves.http_client import HTTPConnection as _HTTPConnection -from .packages.six.moves.http_client import HTTPException # noqa: F401 - -try: # Compiled with SSL? - import ssl - BaseSSLError = ssl.SSLError -except (ImportError, AttributeError): # Platform-specific: No SSL. - ssl = None - - class BaseSSLError(BaseException): - pass - - -try: # Python 3: - # Not a no-op, we're adding this to the namespace so it can be imported. - ConnectionError = ConnectionError -except NameError: # Python 2: - class ConnectionError(Exception): - pass - - -from .exceptions import ( - NewConnectionError, - ConnectTimeoutError, - SubjectAltNameWarning, - SystemTimeWarning, -) -from .packages.ssl_match_hostname import match_hostname, CertificateError - -from .util.ssl_ import ( - resolve_cert_reqs, - resolve_ssl_version, - assert_fingerprint, - create_urllib3_context, - ssl_wrap_socket -) - - -from .util import connection - -from ._collections import HTTPHeaderDict - -log = logging.getLogger(__name__) - -port_by_scheme = { - 'http': 80, - 'https': 443, -} - -# When updating RECENT_DATE, move it to -# within two years of the current date, and no -# earlier than 6 months ago. -RECENT_DATE = datetime.date(2016, 1, 1) - - -class DummyConnection(object): - """Used to detect a failed ConnectionCls import.""" - pass - - -class HTTPConnection(_HTTPConnection, object): - """ - Based on httplib.HTTPConnection but provides an extra constructor - backwards-compatibility layer between older and newer Pythons. - - Additional keyword parameters are used to configure attributes of the connection. - Accepted parameters include: - - - ``strict``: See the documentation on :class:`urllib3.connectionpool.HTTPConnectionPool` - - ``source_address``: Set the source address for the current connection. - - .. note:: This is ignored for Python 2.6. It is only applied for 2.7 and 3.x - - - ``socket_options``: Set specific options on the underlying socket. If not specified, then - defaults are loaded from ``HTTPConnection.default_socket_options`` which includes disabling - Nagle's algorithm (sets TCP_NODELAY to 1) unless the connection is behind a proxy. - - For example, if you wish to enable TCP Keep Alive in addition to the defaults, - you might pass:: - - HTTPConnection.default_socket_options + [ - (socket.SOL_SOCKET, socket.SO_KEEPALIVE, 1), - ] - - Or you may want to disable the defaults by passing an empty list (e.g., ``[]``). - """ - - default_port = port_by_scheme['http'] - - #: Disable Nagle's algorithm by default. - #: ``[(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)]`` - default_socket_options = [(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)] - - #: Whether this connection verifies the host's certificate. - is_verified = False - - def __init__(self, *args, **kw): - if six.PY3: # Python 3 - kw.pop('strict', None) - - # Pre-set source_address in case we have an older Python like 2.6. - self.source_address = kw.get('source_address') - - if sys.version_info < (2, 7): # Python 2.6 - # _HTTPConnection on Python 2.6 will balk at this keyword arg, but - # not newer versions. We can still use it when creating a - # connection though, so we pop it *after* we have saved it as - # self.source_address. - kw.pop('source_address', None) - - #: The socket options provided by the user. If no options are - #: provided, we use the default options. - self.socket_options = kw.pop('socket_options', self.default_socket_options) - - # Superclass also sets self.source_address in Python 2.7+. - _HTTPConnection.__init__(self, *args, **kw) - - def _new_conn(self): - """ Establish a socket connection and set nodelay settings on it. - - :return: New socket connection. - """ - extra_kw = {} - if self.source_address: - extra_kw['source_address'] = self.source_address - - if self.socket_options: - extra_kw['socket_options'] = self.socket_options - - try: - conn = connection.create_connection( - (self.host, self.port), self.timeout, **extra_kw) - - except SocketTimeout as e: - raise ConnectTimeoutError( - self, "Connection to %s timed out. (connect timeout=%s)" % - (self.host, self.timeout)) - - except SocketError as e: - raise NewConnectionError( - self, "Failed to establish a new connection: %s" % e) - - return conn - - def _prepare_conn(self, conn): - self.sock = conn - # the _tunnel_host attribute was added in python 2.6.3 (via - # http://hg.python.org/cpython/rev/0f57b30a152f) so pythons 2.6(0-2) do - # not have them. - if getattr(self, '_tunnel_host', None): - # TODO: Fix tunnel so it doesn't depend on self.sock state. - self._tunnel() - # Mark this connection as not reusable - self.auto_open = 0 - - def connect(self): - conn = self._new_conn() - self._prepare_conn(conn) - - def request_chunked(self, method, url, body=None, headers=None): - """ - Alternative to the common request method, which sends the - body with chunked encoding and not as one block - """ - headers = HTTPHeaderDict(headers if headers is not None else {}) - skip_accept_encoding = 'accept-encoding' in headers - skip_host = 'host' in headers - self.putrequest( - method, - url, - skip_accept_encoding=skip_accept_encoding, - skip_host=skip_host - ) - for header, value in headers.items(): - self.putheader(header, value) - if 'transfer-encoding' not in headers: - self.putheader('Transfer-Encoding', 'chunked') - self.endheaders() - - if body is not None: - stringish_types = six.string_types + (six.binary_type,) - if isinstance(body, stringish_types): - body = (body,) - for chunk in body: - if not chunk: - continue - if not isinstance(chunk, six.binary_type): - chunk = chunk.encode('utf8') - len_str = hex(len(chunk))[2:] - self.send(len_str.encode('utf-8')) - self.send(b'\r\n') - self.send(chunk) - self.send(b'\r\n') - - # After the if clause, to always have a closed body - self.send(b'0\r\n\r\n') - - -class HTTPSConnection(HTTPConnection): - default_port = port_by_scheme['https'] - - ssl_version = None - - def __init__(self, host, port=None, key_file=None, cert_file=None, - strict=None, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, - ssl_context=None, **kw): - - HTTPConnection.__init__(self, host, port, strict=strict, - timeout=timeout, **kw) - - self.key_file = key_file - self.cert_file = cert_file - self.ssl_context = ssl_context - - # Required property for Google AppEngine 1.9.0 which otherwise causes - # HTTPS requests to go out as HTTP. (See Issue #356) - self._protocol = 'https' - - def connect(self): - conn = self._new_conn() - self._prepare_conn(conn) - - if self.ssl_context is None: - self.ssl_context = create_urllib3_context( - ssl_version=resolve_ssl_version(None), - cert_reqs=resolve_cert_reqs(None), - ) - - self.sock = ssl_wrap_socket( - sock=conn, - keyfile=self.key_file, - certfile=self.cert_file, - ssl_context=self.ssl_context, - ) - - -class VerifiedHTTPSConnection(HTTPSConnection): - """ - Based on httplib.HTTPSConnection but wraps the socket with - SSL certification. - """ - cert_reqs = None - ca_certs = None - ca_cert_dir = None - ssl_version = None - assert_fingerprint = None - - def set_cert(self, key_file=None, cert_file=None, - cert_reqs=None, ca_certs=None, - assert_hostname=None, assert_fingerprint=None, - ca_cert_dir=None): - """ - This method should only be called once, before the connection is used. - """ - # If cert_reqs is not provided, we can try to guess. If the user gave - # us a cert database, we assume they want to use it: otherwise, if - # they gave us an SSL Context object we should use whatever is set for - # it. - if cert_reqs is None: - if ca_certs or ca_cert_dir: - cert_reqs = 'CERT_REQUIRED' - elif self.ssl_context is not None: - cert_reqs = self.ssl_context.verify_mode - - self.key_file = key_file - self.cert_file = cert_file - self.cert_reqs = cert_reqs - self.assert_hostname = assert_hostname - self.assert_fingerprint = assert_fingerprint - self.ca_certs = ca_certs and os.path.expanduser(ca_certs) - self.ca_cert_dir = ca_cert_dir and os.path.expanduser(ca_cert_dir) - - def connect(self): - # Add certificate verification - conn = self._new_conn() - - hostname = self.host - if getattr(self, '_tunnel_host', None): - # _tunnel_host was added in Python 2.6.3 - # (See: http://hg.python.org/cpython/rev/0f57b30a152f) - - self.sock = conn - # Calls self._set_hostport(), so self.host is - # self._tunnel_host below. - self._tunnel() - # Mark this connection as not reusable - self.auto_open = 0 - - # Override the host with the one we're requesting data from. - hostname = self._tunnel_host - - is_time_off = datetime.date.today() < RECENT_DATE - if is_time_off: - warnings.warn(( - 'System time is way off (before {0}). This will probably ' - 'lead to SSL verification errors').format(RECENT_DATE), - SystemTimeWarning - ) - - # Wrap socket using verification with the root certs in - # trusted_root_certs - if self.ssl_context is None: - self.ssl_context = create_urllib3_context( - ssl_version=resolve_ssl_version(self.ssl_version), - cert_reqs=resolve_cert_reqs(self.cert_reqs), - ) - - context = self.ssl_context - context.verify_mode = resolve_cert_reqs(self.cert_reqs) - self.sock = ssl_wrap_socket( - sock=conn, - keyfile=self.key_file, - certfile=self.cert_file, - ca_certs=self.ca_certs, - ca_cert_dir=self.ca_cert_dir, - server_hostname=hostname, - ssl_context=context) - - if self.assert_fingerprint: - assert_fingerprint(self.sock.getpeercert(binary_form=True), - self.assert_fingerprint) - elif context.verify_mode != ssl.CERT_NONE \ - and not getattr(context, 'check_hostname', False) \ - and self.assert_hostname is not False: - # While urllib3 attempts to always turn off hostname matching from - # the TLS library, this cannot always be done. So we check whether - # the TLS Library still thinks it's matching hostnames. - cert = self.sock.getpeercert() - if not cert.get('subjectAltName', ()): - warnings.warn(( - 'Certificate for {0} has no `subjectAltName`, falling back to check for a ' - '`commonName` for now. This feature is being removed by major browsers and ' - 'deprecated by RFC 2818. (See https://github.com/shazow/urllib3/issues/497 ' - 'for details.)'.format(hostname)), - SubjectAltNameWarning - ) - _match_hostname(cert, self.assert_hostname or hostname) - - self.is_verified = ( - context.verify_mode == ssl.CERT_REQUIRED or - self.assert_fingerprint is not None - ) - - -def _match_hostname(cert, asserted_hostname): - try: - match_hostname(cert, asserted_hostname) - except CertificateError as e: - log.error( - 'Certificate did not match expected hostname: %s. ' - 'Certificate: %s', asserted_hostname, cert - ) - # Add cert to exception and reraise so client code can inspect - # the cert when catching the exception, if they want to - e._peer_cert = cert - raise - - -if ssl: - # Make a copy for testing. - UnverifiedHTTPSConnection = HTTPSConnection - HTTPSConnection = VerifiedHTTPSConnection -else: - HTTPSConnection = DummyConnection diff --git a/collectors/python.d.plugin/python_modules/urllib3/connectionpool.py b/collectors/python.d.plugin/python_modules/urllib3/connectionpool.py deleted file mode 100644 index 90e4c86a5..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/connectionpool.py +++ /dev/null @@ -1,900 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import errno -import logging -import sys -import warnings - -from socket import error as SocketError, timeout as SocketTimeout -import socket - - -from .exceptions import ( - ClosedPoolError, - ProtocolError, - EmptyPoolError, - HeaderParsingError, - HostChangedError, - LocationValueError, - MaxRetryError, - ProxyError, - ReadTimeoutError, - SSLError, - TimeoutError, - InsecureRequestWarning, - NewConnectionError, -) -from .packages.ssl_match_hostname import CertificateError -from .packages import six -from .packages.six.moves import queue -from .connection import ( - port_by_scheme, - DummyConnection, - HTTPConnection, HTTPSConnection, VerifiedHTTPSConnection, - HTTPException, BaseSSLError, -) -from .request import RequestMethods -from .response import HTTPResponse - -from .util.connection import is_connection_dropped -from .util.request import set_file_position -from .util.response import assert_header_parsing -from .util.retry import Retry -from .util.timeout import Timeout -from .util.url import get_host, Url - - -if six.PY2: - # Queue is imported for side effects on MS Windows - import Queue as _unused_module_Queue # noqa: F401 - -xrange = six.moves.xrange - -log = logging.getLogger(__name__) - -_Default = object() - - -# Pool objects -class ConnectionPool(object): - """ - Base class for all connection pools, such as - :class:`.HTTPConnectionPool` and :class:`.HTTPSConnectionPool`. - """ - - scheme = None - QueueCls = queue.LifoQueue - - def __init__(self, host, port=None): - if not host: - raise LocationValueError("No host specified.") - - self.host = _ipv6_host(host).lower() - self.port = port - - def __str__(self): - return '%s(host=%r, port=%r)' % (type(self).__name__, - self.host, self.port) - - def __enter__(self): - return self - - def __exit__(self, exc_type, exc_val, exc_tb): - self.close() - # Return False to re-raise any potential exceptions - return False - - def close(self): - """ - Close all pooled connections and disable the pool. - """ - pass - - -# This is taken from http://hg.python.org/cpython/file/7aaba721ebc0/Lib/socket.py#l252 -_blocking_errnos = set([errno.EAGAIN, errno.EWOULDBLOCK]) - - -class HTTPConnectionPool(ConnectionPool, RequestMethods): - """ - Thread-safe connection pool for one host. - - :param host: - Host used for this HTTP Connection (e.g. "localhost"), passed into - :class:`httplib.HTTPConnection`. - - :param port: - Port used for this HTTP Connection (None is equivalent to 80), passed - into :class:`httplib.HTTPConnection`. - - :param strict: - Causes BadStatusLine to be raised if the status line can't be parsed - as a valid HTTP/1.0 or 1.1 status line, passed into - :class:`httplib.HTTPConnection`. - - .. note:: - Only works in Python 2. This parameter is ignored in Python 3. - - :param timeout: - Socket timeout in seconds for each individual connection. This can - be a float or integer, which sets the timeout for the HTTP request, - or an instance of :class:`urllib3.util.Timeout` which gives you more - fine-grained control over request timeouts. After the constructor has - been parsed, this is always a `urllib3.util.Timeout` object. - - :param maxsize: - Number of connections to save that can be reused. More than 1 is useful - in multithreaded situations. If ``block`` is set to False, more - connections will be created but they will not be saved once they've - been used. - - :param block: - If set to True, no more than ``maxsize`` connections will be used at - a time. When no free connections are available, the call will block - until a connection has been released. This is a useful side effect for - particular multithreaded situations where one does not want to use more - than maxsize connections per host to prevent flooding. - - :param headers: - Headers to include with all requests, unless other headers are given - explicitly. - - :param retries: - Retry configuration to use by default with requests in this pool. - - :param _proxy: - Parsed proxy URL, should not be used directly, instead, see - :class:`urllib3.connectionpool.ProxyManager`" - - :param _proxy_headers: - A dictionary with proxy headers, should not be used directly, - instead, see :class:`urllib3.connectionpool.ProxyManager`" - - :param \\**conn_kw: - Additional parameters are used to create fresh :class:`urllib3.connection.HTTPConnection`, - :class:`urllib3.connection.HTTPSConnection` instances. - """ - - scheme = 'http' - ConnectionCls = HTTPConnection - ResponseCls = HTTPResponse - - def __init__(self, host, port=None, strict=False, - timeout=Timeout.DEFAULT_TIMEOUT, maxsize=1, block=False, - headers=None, retries=None, - _proxy=None, _proxy_headers=None, - **conn_kw): - ConnectionPool.__init__(self, host, port) - RequestMethods.__init__(self, headers) - - self.strict = strict - - if not isinstance(timeout, Timeout): - timeout = Timeout.from_float(timeout) - - if retries is None: - retries = Retry.DEFAULT - - self.timeout = timeout - self.retries = retries - - self.pool = self.QueueCls(maxsize) - self.block = block - - self.proxy = _proxy - self.proxy_headers = _proxy_headers or {} - - # Fill the queue up so that doing get() on it will block properly - for _ in xrange(maxsize): - self.pool.put(None) - - # These are mostly for testing and debugging purposes. - self.num_connections = 0 - self.num_requests = 0 - self.conn_kw = conn_kw - - if self.proxy: - # Enable Nagle's algorithm for proxies, to avoid packet fragmentation. - # We cannot know if the user has added default socket options, so we cannot replace the - # list. - self.conn_kw.setdefault('socket_options', []) - - def _new_conn(self): - """ - Return a fresh :class:`HTTPConnection`. - """ - self.num_connections += 1 - log.debug("Starting new HTTP connection (%d): %s", - self.num_connections, self.host) - - conn = self.ConnectionCls(host=self.host, port=self.port, - timeout=self.timeout.connect_timeout, - strict=self.strict, **self.conn_kw) - return conn - - def _get_conn(self, timeout=None): - """ - Get a connection. Will return a pooled connection if one is available. - - If no connections are available and :prop:`.block` is ``False``, then a - fresh connection is returned. - - :param timeout: - Seconds to wait before giving up and raising - :class:`urllib3.exceptions.EmptyPoolError` if the pool is empty and - :prop:`.block` is ``True``. - """ - conn = None - try: - conn = self.pool.get(block=self.block, timeout=timeout) - - except AttributeError: # self.pool is None - raise ClosedPoolError(self, "Pool is closed.") - - except queue.Empty: - if self.block: - raise EmptyPoolError(self, - "Pool reached maximum size and no more " - "connections are allowed.") - pass # Oh well, we'll create a new connection then - - # If this is a persistent connection, check if it got disconnected - if conn and is_connection_dropped(conn): - log.debug("Resetting dropped connection: %s", self.host) - conn.close() - if getattr(conn, 'auto_open', 1) == 0: - # This is a proxied connection that has been mutated by - # httplib._tunnel() and cannot be reused (since it would - # attempt to bypass the proxy) - conn = None - - return conn or self._new_conn() - - def _put_conn(self, conn): - """ - Put a connection back into the pool. - - :param conn: - Connection object for the current host and port as returned by - :meth:`._new_conn` or :meth:`._get_conn`. - - If the pool is already full, the connection is closed and discarded - because we exceeded maxsize. If connections are discarded frequently, - then maxsize should be increased. - - If the pool is closed, then the connection will be closed and discarded. - """ - try: - self.pool.put(conn, block=False) - return # Everything is dandy, done. - except AttributeError: - # self.pool is None. - pass - except queue.Full: - # This should never happen if self.block == True - log.warning( - "Connection pool is full, discarding connection: %s", - self.host) - - # Connection never got put back into the pool, close it. - if conn: - conn.close() - - def _validate_conn(self, conn): - """ - Called right before a request is made, after the socket is created. - """ - pass - - def _prepare_proxy(self, conn): - # Nothing to do for HTTP connections. - pass - - def _get_timeout(self, timeout): - """ Helper that always returns a :class:`urllib3.util.Timeout` """ - if timeout is _Default: - return self.timeout.clone() - - if isinstance(timeout, Timeout): - return timeout.clone() - else: - # User passed us an int/float. This is for backwards compatibility, - # can be removed later - return Timeout.from_float(timeout) - - def _raise_timeout(self, err, url, timeout_value): - """Is the error actually a timeout? Will raise a ReadTimeout or pass""" - - if isinstance(err, SocketTimeout): - raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value) - - # See the above comment about EAGAIN in Python 3. In Python 2 we have - # to specifically catch it and throw the timeout error - if hasattr(err, 'errno') and err.errno in _blocking_errnos: - raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value) - - # Catch possible read timeouts thrown as SSL errors. If not the - # case, rethrow the original. We need to do this because of: - # http://bugs.python.org/issue10272 - if 'timed out' in str(err) or 'did not complete (read)' in str(err): # Python 2.6 - raise ReadTimeoutError(self, url, "Read timed out. (read timeout=%s)" % timeout_value) - - def _make_request(self, conn, method, url, timeout=_Default, chunked=False, - **httplib_request_kw): - """ - Perform a request on a given urllib connection object taken from our - pool. - - :param conn: - a connection from one of our connection pools - - :param timeout: - Socket timeout in seconds for the request. This can be a - float or integer, which will set the same timeout value for - the socket connect and the socket read, or an instance of - :class:`urllib3.util.Timeout`, which gives you more fine-grained - control over your timeouts. - """ - self.num_requests += 1 - - timeout_obj = self._get_timeout(timeout) - timeout_obj.start_connect() - conn.timeout = timeout_obj.connect_timeout - - # Trigger any extra validation we need to do. - try: - self._validate_conn(conn) - except (SocketTimeout, BaseSSLError) as e: - # Py2 raises this as a BaseSSLError, Py3 raises it as socket timeout. - self._raise_timeout(err=e, url=url, timeout_value=conn.timeout) - raise - - # conn.request() calls httplib.*.request, not the method in - # urllib3.request. It also calls makefile (recv) on the socket. - if chunked: - conn.request_chunked(method, url, **httplib_request_kw) - else: - conn.request(method, url, **httplib_request_kw) - - # Reset the timeout for the recv() on the socket - read_timeout = timeout_obj.read_timeout - - # App Engine doesn't have a sock attr - if getattr(conn, 'sock', None): - # In Python 3 socket.py will catch EAGAIN and return None when you - # try and read into the file pointer created by http.client, which - # instead raises a BadStatusLine exception. Instead of catching - # the exception and assuming all BadStatusLine exceptions are read - # timeouts, check for a zero timeout before making the request. - if read_timeout == 0: - raise ReadTimeoutError( - self, url, "Read timed out. (read timeout=%s)" % read_timeout) - if read_timeout is Timeout.DEFAULT_TIMEOUT: - conn.sock.settimeout(socket.getdefaulttimeout()) - else: # None or a value - conn.sock.settimeout(read_timeout) - - # Receive the response from the server - try: - try: # Python 2.7, use buffering of HTTP responses - httplib_response = conn.getresponse(buffering=True) - except TypeError: # Python 2.6 and older, Python 3 - try: - httplib_response = conn.getresponse() - except Exception as e: - # Remove the TypeError from the exception chain in Python 3; - # otherwise it looks like a programming error was the cause. - six.raise_from(e, None) - except (SocketTimeout, BaseSSLError, SocketError) as e: - self._raise_timeout(err=e, url=url, timeout_value=read_timeout) - raise - - # AppEngine doesn't have a version attr. - http_version = getattr(conn, '_http_vsn_str', 'HTTP/?') - log.debug("%s://%s:%s \"%s %s %s\" %s %s", self.scheme, self.host, self.port, - method, url, http_version, httplib_response.status, - httplib_response.length) - - try: - assert_header_parsing(httplib_response.msg) - except HeaderParsingError as hpe: # Platform-specific: Python 3 - log.warning( - 'Failed to parse headers (url=%s): %s', - self._absolute_url(url), hpe, exc_info=True) - - return httplib_response - - def _absolute_url(self, path): - return Url(scheme=self.scheme, host=self.host, port=self.port, path=path).url - - def close(self): - """ - Close all pooled connections and disable the pool. - """ - # Disable access to the pool - old_pool, self.pool = self.pool, None - - try: - while True: - conn = old_pool.get(block=False) - if conn: - conn.close() - - except queue.Empty: - pass # Done. - - def is_same_host(self, url): - """ - Check if the given ``url`` is a member of the same host as this - connection pool. - """ - if url.startswith('/'): - return True - - # TODO: Add optional support for socket.gethostbyname checking. - scheme, host, port = get_host(url) - - host = _ipv6_host(host).lower() - - # Use explicit default port for comparison when none is given - if self.port and not port: - port = port_by_scheme.get(scheme) - elif not self.port and port == port_by_scheme.get(scheme): - port = None - - return (scheme, host, port) == (self.scheme, self.host, self.port) - - def urlopen(self, method, url, body=None, headers=None, retries=None, - redirect=True, assert_same_host=True, timeout=_Default, - pool_timeout=None, release_conn=None, chunked=False, - body_pos=None, **response_kw): - """ - Get a connection from the pool and perform an HTTP request. This is the - lowest level call for making a request, so you'll need to specify all - the raw details. - - .. note:: - - More commonly, it's appropriate to use a convenience method provided - by :class:`.RequestMethods`, such as :meth:`request`. - - .. note:: - - `release_conn` will only behave as expected if - `preload_content=False` because we want to make - `preload_content=False` the default behaviour someday soon without - breaking backwards compatibility. - - :param method: - HTTP request method (such as GET, POST, PUT, etc.) - - :param body: - Data to send in the request body (useful for creating - POST requests, see HTTPConnectionPool.post_url for - more convenience). - - :param headers: - Dictionary of custom headers to send, such as User-Agent, - If-None-Match, etc. If None, pool headers are used. If provided, - these headers completely replace any pool-specific headers. - - :param retries: - Configure the number of retries to allow before raising a - :class:`~urllib3.exceptions.MaxRetryError` exception. - - Pass ``None`` to retry until you receive a response. Pass a - :class:`~urllib3.util.retry.Retry` object for fine-grained control - over different types of retries. - Pass an integer number to retry connection errors that many times, - but no other types of errors. Pass zero to never retry. - - If ``False``, then retries are disabled and any exception is raised - immediately. Also, instead of raising a MaxRetryError on redirects, - the redirect response will be returned. - - :type retries: :class:`~urllib3.util.retry.Retry`, False, or an int. - - :param redirect: - If True, automatically handle redirects (status codes 301, 302, - 303, 307, 308). Each redirect counts as a retry. Disabling retries - will disable redirect, too. - - :param assert_same_host: - If ``True``, will make sure that the host of the pool requests is - consistent else will raise HostChangedError. When False, you can - use the pool on an HTTP proxy and request foreign hosts. - - :param timeout: - If specified, overrides the default timeout for this one - request. It may be a float (in seconds) or an instance of - :class:`urllib3.util.Timeout`. - - :param pool_timeout: - If set and the pool is set to block=True, then this method will - block for ``pool_timeout`` seconds and raise EmptyPoolError if no - connection is available within the time period. - - :param release_conn: - If False, then the urlopen call will not release the connection - back into the pool once a response is received (but will release if - you read the entire contents of the response such as when - `preload_content=True`). This is useful if you're not preloading - the response's content immediately. You will need to call - ``r.release_conn()`` on the response ``r`` to return the connection - back into the pool. If None, it takes the value of - ``response_kw.get('preload_content', True)``. - - :param chunked: - If True, urllib3 will send the body using chunked transfer - encoding. Otherwise, urllib3 will send the body using the standard - content-length form. Defaults to False. - - :param int body_pos: - Position to seek to in file-like body in the event of a retry or - redirect. Typically this won't need to be set because urllib3 will - auto-populate the value when needed. - - :param \\**response_kw: - Additional parameters are passed to - :meth:`urllib3.response.HTTPResponse.from_httplib` - """ - if headers is None: - headers = self.headers - - if not isinstance(retries, Retry): - retries = Retry.from_int(retries, redirect=redirect, default=self.retries) - - if release_conn is None: - release_conn = response_kw.get('preload_content', True) - - # Check host - if assert_same_host and not self.is_same_host(url): - raise HostChangedError(self, url, retries) - - conn = None - - # Track whether `conn` needs to be released before - # returning/raising/recursing. Update this variable if necessary, and - # leave `release_conn` constant throughout the function. That way, if - # the function recurses, the original value of `release_conn` will be - # passed down into the recursive call, and its value will be respected. - # - # See issue #651 [1] for details. - # - # [1] <https://github.com/shazow/urllib3/issues/651> - release_this_conn = release_conn - - # Merge the proxy headers. Only do this in HTTP. We have to copy the - # headers dict so we can safely change it without those changes being - # reflected in anyone else's copy. - if self.scheme == 'http': - headers = headers.copy() - headers.update(self.proxy_headers) - - # Must keep the exception bound to a separate variable or else Python 3 - # complains about UnboundLocalError. - err = None - - # Keep track of whether we cleanly exited the except block. This - # ensures we do proper cleanup in finally. - clean_exit = False - - # Rewind body position, if needed. Record current position - # for future rewinds in the event of a redirect/retry. - body_pos = set_file_position(body, body_pos) - - try: - # Request a connection from the queue. - timeout_obj = self._get_timeout(timeout) - conn = self._get_conn(timeout=pool_timeout) - - conn.timeout = timeout_obj.connect_timeout - - is_new_proxy_conn = self.proxy is not None and not getattr(conn, 'sock', None) - if is_new_proxy_conn: - self._prepare_proxy(conn) - - # Make the request on the httplib connection object. - httplib_response = self._make_request(conn, method, url, - timeout=timeout_obj, - body=body, headers=headers, - chunked=chunked) - - # If we're going to release the connection in ``finally:``, then - # the response doesn't need to know about the connection. Otherwise - # it will also try to release it and we'll have a double-release - # mess. - response_conn = conn if not release_conn else None - - # Pass method to Response for length checking - response_kw['request_method'] = method - - # Import httplib's response into our own wrapper object - response = self.ResponseCls.from_httplib(httplib_response, - pool=self, - connection=response_conn, - retries=retries, - **response_kw) - - # Everything went great! - clean_exit = True - - except queue.Empty: - # Timed out by queue. - raise EmptyPoolError(self, "No pool connections are available.") - - except (BaseSSLError, CertificateError) as e: - # Close the connection. If a connection is reused on which there - # was a Certificate error, the next request will certainly raise - # another Certificate error. - clean_exit = False - raise SSLError(e) - - except SSLError: - # Treat SSLError separately from BaseSSLError to preserve - # traceback. - clean_exit = False - raise - - except (TimeoutError, HTTPException, SocketError, ProtocolError) as e: - # Discard the connection for these exceptions. It will be - # be replaced during the next _get_conn() call. - clean_exit = False - - if isinstance(e, (SocketError, NewConnectionError)) and self.proxy: - e = ProxyError('Cannot connect to proxy.', e) - elif isinstance(e, (SocketError, HTTPException)): - e = ProtocolError('Connection aborted.', e) - - retries = retries.increment(method, url, error=e, _pool=self, - _stacktrace=sys.exc_info()[2]) - retries.sleep() - - # Keep track of the error for the retry warning. - err = e - - finally: - if not clean_exit: - # We hit some kind of exception, handled or otherwise. We need - # to throw the connection away unless explicitly told not to. - # Close the connection, set the variable to None, and make sure - # we put the None back in the pool to avoid leaking it. - conn = conn and conn.close() - release_this_conn = True - - if release_this_conn: - # Put the connection back to be reused. If the connection is - # expired then it will be None, which will get replaced with a - # fresh connection during _get_conn. - self._put_conn(conn) - - if not conn: - # Try again - log.warning("Retrying (%r) after connection " - "broken by '%r': %s", retries, err, url) - return self.urlopen(method, url, body, headers, retries, - redirect, assert_same_host, - timeout=timeout, pool_timeout=pool_timeout, - release_conn=release_conn, body_pos=body_pos, - **response_kw) - - # Handle redirect? - redirect_location = redirect and response.get_redirect_location() - if redirect_location: - if response.status == 303: - method = 'GET' - - try: - retries = retries.increment(method, url, response=response, _pool=self) - except MaxRetryError: - if retries.raise_on_redirect: - # Release the connection for this response, since we're not - # returning it to be released manually. - response.release_conn() - raise - return response - - retries.sleep_for_retry(response) - log.debug("Redirecting %s -> %s", url, redirect_location) - return self.urlopen( - method, redirect_location, body, headers, - retries=retries, redirect=redirect, - assert_same_host=assert_same_host, - timeout=timeout, pool_timeout=pool_timeout, - release_conn=release_conn, body_pos=body_pos, - **response_kw) - - # Check if we should retry the HTTP response. - has_retry_after = bool(response.getheader('Retry-After')) - if retries.is_retry(method, response.status, has_retry_after): - try: - retries = retries.increment(method, url, response=response, _pool=self) - except MaxRetryError: - if retries.raise_on_status: - # Release the connection for this response, since we're not - # returning it to be released manually. - response.release_conn() - raise - return response - retries.sleep(response) - log.debug("Retry: %s", url) - return self.urlopen( - method, url, body, headers, - retries=retries, redirect=redirect, - assert_same_host=assert_same_host, - timeout=timeout, pool_timeout=pool_timeout, - release_conn=release_conn, - body_pos=body_pos, **response_kw) - - return response - - -class HTTPSConnectionPool(HTTPConnectionPool): - """ - Same as :class:`.HTTPConnectionPool`, but HTTPS. - - When Python is compiled with the :mod:`ssl` module, then - :class:`.VerifiedHTTPSConnection` is used, which *can* verify certificates, - instead of :class:`.HTTPSConnection`. - - :class:`.VerifiedHTTPSConnection` uses one of ``assert_fingerprint``, - ``assert_hostname`` and ``host`` in this order to verify connections. - If ``assert_hostname`` is False, no verification is done. - - The ``key_file``, ``cert_file``, ``cert_reqs``, ``ca_certs``, - ``ca_cert_dir``, and ``ssl_version`` are only used if :mod:`ssl` is - available and are fed into :meth:`urllib3.util.ssl_wrap_socket` to upgrade - the connection socket into an SSL socket. - """ - - scheme = 'https' - ConnectionCls = HTTPSConnection - - def __init__(self, host, port=None, - strict=False, timeout=Timeout.DEFAULT_TIMEOUT, maxsize=1, - block=False, headers=None, retries=None, - _proxy=None, _proxy_headers=None, - key_file=None, cert_file=None, cert_reqs=None, - ca_certs=None, ssl_version=None, - assert_hostname=None, assert_fingerprint=None, - ca_cert_dir=None, **conn_kw): - - HTTPConnectionPool.__init__(self, host, port, strict, timeout, maxsize, - block, headers, retries, _proxy, _proxy_headers, - **conn_kw) - - if ca_certs and cert_reqs is None: - cert_reqs = 'CERT_REQUIRED' - - self.key_file = key_file - self.cert_file = cert_file - self.cert_reqs = cert_reqs - self.ca_certs = ca_certs - self.ca_cert_dir = ca_cert_dir - self.ssl_version = ssl_version - self.assert_hostname = assert_hostname - self.assert_fingerprint = assert_fingerprint - - def _prepare_conn(self, conn): - """ - Prepare the ``connection`` for :meth:`urllib3.util.ssl_wrap_socket` - and establish the tunnel if proxy is used. - """ - - if isinstance(conn, VerifiedHTTPSConnection): - conn.set_cert(key_file=self.key_file, - cert_file=self.cert_file, - cert_reqs=self.cert_reqs, - ca_certs=self.ca_certs, - ca_cert_dir=self.ca_cert_dir, - assert_hostname=self.assert_hostname, - assert_fingerprint=self.assert_fingerprint) - conn.ssl_version = self.ssl_version - return conn - - def _prepare_proxy(self, conn): - """ - Establish tunnel connection early, because otherwise httplib - would improperly set Host: header to proxy's IP:port. - """ - # Python 2.7+ - try: - set_tunnel = conn.set_tunnel - except AttributeError: # Platform-specific: Python 2.6 - set_tunnel = conn._set_tunnel - - if sys.version_info <= (2, 6, 4) and not self.proxy_headers: # Python 2.6.4 and older - set_tunnel(self.host, self.port) - else: - set_tunnel(self.host, self.port, self.proxy_headers) - - conn.connect() - - def _new_conn(self): - """ - Return a fresh :class:`httplib.HTTPSConnection`. - """ - self.num_connections += 1 - log.debug("Starting new HTTPS connection (%d): %s", - self.num_connections, self.host) - - if not self.ConnectionCls or self.ConnectionCls is DummyConnection: - raise SSLError("Can't connect to HTTPS URL because the SSL " - "module is not available.") - - actual_host = self.host - actual_port = self.port - if self.proxy is not None: - actual_host = self.proxy.host - actual_port = self.proxy.port - - conn = self.ConnectionCls(host=actual_host, port=actual_port, - timeout=self.timeout.connect_timeout, - strict=self.strict, **self.conn_kw) - - return self._prepare_conn(conn) - - def _validate_conn(self, conn): - """ - Called right before a request is made, after the socket is created. - """ - super(HTTPSConnectionPool, self)._validate_conn(conn) - - # Force connect early to allow us to validate the connection. - if not getattr(conn, 'sock', None): # AppEngine might not have `.sock` - conn.connect() - - if not conn.is_verified: - warnings.warn(( - 'Unverified HTTPS request is being made. ' - 'Adding certificate verification is strongly advised. See: ' - 'https://urllib3.readthedocs.io/en/latest/advanced-usage.html' - '#ssl-warnings'), - InsecureRequestWarning) - - -def connection_from_url(url, **kw): - """ - Given a url, return an :class:`.ConnectionPool` instance of its host. - - This is a shortcut for not having to parse out the scheme, host, and port - of the url before creating an :class:`.ConnectionPool` instance. - - :param url: - Absolute URL string that must include the scheme. Port is optional. - - :param \\**kw: - Passes additional parameters to the constructor of the appropriate - :class:`.ConnectionPool`. Useful for specifying things like - timeout, maxsize, headers, etc. - - Example:: - - >>> conn = connection_from_url('http://google.com/') - >>> r = conn.request('GET', '/') - """ - scheme, host, port = get_host(url) - port = port or port_by_scheme.get(scheme, 80) - if scheme == 'https': - return HTTPSConnectionPool(host, port=port, **kw) - else: - return HTTPConnectionPool(host, port=port, **kw) - - -def _ipv6_host(host): - """ - Process IPv6 address literals - """ - - # httplib doesn't like it when we include brackets in IPv6 addresses - # Specifically, if we include brackets but also pass the port then - # httplib crazily doubles up the square brackets on the Host header. - # Instead, we need to make sure we never pass ``None`` as the port. - # However, for backward compatibility reasons we can't actually - # *assert* that. See http://bugs.python.org/issue28539 - # - # Also if an IPv6 address literal has a zone identifier, the - # percent sign might be URIencoded, convert it back into ASCII - if host.startswith('[') and host.endswith(']'): - host = host.replace('%25', '%').strip('[]') - return host diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/bindings.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/bindings.py deleted file mode 100644 index bb826673f..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/bindings.py +++ /dev/null @@ -1,591 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -This module uses ctypes to bind a whole bunch of functions and constants from -SecureTransport. The goal here is to provide the low-level API to -SecureTransport. These are essentially the C-level functions and constants, and -they're pretty gross to work with. - -This code is a bastardised version of the code found in Will Bond's oscrypto -library. An enormous debt is owed to him for blazing this trail for us. For -that reason, this code should be considered to be covered both by urllib3's -license and by oscrypto's: - - Copyright (c) 2015-2016 Will Bond <will@wbond.net> - - Permission is hereby granted, free of charge, to any person obtaining a - copy of this software and associated documentation files (the "Software"), - to deal in the Software without restriction, including without limitation - the rights to use, copy, modify, merge, publish, distribute, sublicense, - and/or sell copies of the Software, and to permit persons to whom the - Software is furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in - all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING - FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER - DEALINGS IN THE SOFTWARE. -""" -from __future__ import absolute_import - -import platform -from ctypes.util import find_library -from ctypes import ( - c_void_p, c_int32, c_char_p, c_size_t, c_byte, c_uint32, c_ulong, c_long, - c_bool -) -from ctypes import CDLL, POINTER, CFUNCTYPE - - -security_path = find_library('Security') -if not security_path: - raise ImportError('The library Security could not be found') - - -core_foundation_path = find_library('CoreFoundation') -if not core_foundation_path: - raise ImportError('The library CoreFoundation could not be found') - - -version = platform.mac_ver()[0] -version_info = tuple(map(int, version.split('.'))) -if version_info < (10, 8): - raise OSError( - 'Only OS X 10.8 and newer are supported, not %s.%s' % ( - version_info[0], version_info[1] - ) - ) - -Security = CDLL(security_path, use_errno=True) -CoreFoundation = CDLL(core_foundation_path, use_errno=True) - -Boolean = c_bool -CFIndex = c_long -CFStringEncoding = c_uint32 -CFData = c_void_p -CFString = c_void_p -CFArray = c_void_p -CFMutableArray = c_void_p -CFDictionary = c_void_p -CFError = c_void_p -CFType = c_void_p -CFTypeID = c_ulong - -CFTypeRef = POINTER(CFType) -CFAllocatorRef = c_void_p - -OSStatus = c_int32 - -CFDataRef = POINTER(CFData) -CFStringRef = POINTER(CFString) -CFArrayRef = POINTER(CFArray) -CFMutableArrayRef = POINTER(CFMutableArray) -CFDictionaryRef = POINTER(CFDictionary) -CFArrayCallBacks = c_void_p -CFDictionaryKeyCallBacks = c_void_p -CFDictionaryValueCallBacks = c_void_p - -SecCertificateRef = POINTER(c_void_p) -SecExternalFormat = c_uint32 -SecExternalItemType = c_uint32 -SecIdentityRef = POINTER(c_void_p) -SecItemImportExportFlags = c_uint32 -SecItemImportExportKeyParameters = c_void_p -SecKeychainRef = POINTER(c_void_p) -SSLProtocol = c_uint32 -SSLCipherSuite = c_uint32 -SSLContextRef = POINTER(c_void_p) -SecTrustRef = POINTER(c_void_p) -SSLConnectionRef = c_uint32 -SecTrustResultType = c_uint32 -SecTrustOptionFlags = c_uint32 -SSLProtocolSide = c_uint32 -SSLConnectionType = c_uint32 -SSLSessionOption = c_uint32 - - -try: - Security.SecItemImport.argtypes = [ - CFDataRef, - CFStringRef, - POINTER(SecExternalFormat), - POINTER(SecExternalItemType), - SecItemImportExportFlags, - POINTER(SecItemImportExportKeyParameters), - SecKeychainRef, - POINTER(CFArrayRef), - ] - Security.SecItemImport.restype = OSStatus - - Security.SecCertificateGetTypeID.argtypes = [] - Security.SecCertificateGetTypeID.restype = CFTypeID - - Security.SecIdentityGetTypeID.argtypes = [] - Security.SecIdentityGetTypeID.restype = CFTypeID - - Security.SecKeyGetTypeID.argtypes = [] - Security.SecKeyGetTypeID.restype = CFTypeID - - Security.SecCertificateCreateWithData.argtypes = [ - CFAllocatorRef, - CFDataRef - ] - Security.SecCertificateCreateWithData.restype = SecCertificateRef - - Security.SecCertificateCopyData.argtypes = [ - SecCertificateRef - ] - Security.SecCertificateCopyData.restype = CFDataRef - - Security.SecCopyErrorMessageString.argtypes = [ - OSStatus, - c_void_p - ] - Security.SecCopyErrorMessageString.restype = CFStringRef - - Security.SecIdentityCreateWithCertificate.argtypes = [ - CFTypeRef, - SecCertificateRef, - POINTER(SecIdentityRef) - ] - Security.SecIdentityCreateWithCertificate.restype = OSStatus - - Security.SecKeychainCreate.argtypes = [ - c_char_p, - c_uint32, - c_void_p, - Boolean, - c_void_p, - POINTER(SecKeychainRef) - ] - Security.SecKeychainCreate.restype = OSStatus - - Security.SecKeychainDelete.argtypes = [ - SecKeychainRef - ] - Security.SecKeychainDelete.restype = OSStatus - - Security.SecPKCS12Import.argtypes = [ - CFDataRef, - CFDictionaryRef, - POINTER(CFArrayRef) - ] - Security.SecPKCS12Import.restype = OSStatus - - SSLReadFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, c_void_p, POINTER(c_size_t)) - SSLWriteFunc = CFUNCTYPE(OSStatus, SSLConnectionRef, POINTER(c_byte), POINTER(c_size_t)) - - Security.SSLSetIOFuncs.argtypes = [ - SSLContextRef, - SSLReadFunc, - SSLWriteFunc - ] - Security.SSLSetIOFuncs.restype = OSStatus - - Security.SSLSetPeerID.argtypes = [ - SSLContextRef, - c_char_p, - c_size_t - ] - Security.SSLSetPeerID.restype = OSStatus - - Security.SSLSetCertificate.argtypes = [ - SSLContextRef, - CFArrayRef - ] - Security.SSLSetCertificate.restype = OSStatus - - Security.SSLSetCertificateAuthorities.argtypes = [ - SSLContextRef, - CFTypeRef, - Boolean - ] - Security.SSLSetCertificateAuthorities.restype = OSStatus - - Security.SSLSetConnection.argtypes = [ - SSLContextRef, - SSLConnectionRef - ] - Security.SSLSetConnection.restype = OSStatus - - Security.SSLSetPeerDomainName.argtypes = [ - SSLContextRef, - c_char_p, - c_size_t - ] - Security.SSLSetPeerDomainName.restype = OSStatus - - Security.SSLHandshake.argtypes = [ - SSLContextRef - ] - Security.SSLHandshake.restype = OSStatus - - Security.SSLRead.argtypes = [ - SSLContextRef, - c_char_p, - c_size_t, - POINTER(c_size_t) - ] - Security.SSLRead.restype = OSStatus - - Security.SSLWrite.argtypes = [ - SSLContextRef, - c_char_p, - c_size_t, - POINTER(c_size_t) - ] - Security.SSLWrite.restype = OSStatus - - Security.SSLClose.argtypes = [ - SSLContextRef - ] - Security.SSLClose.restype = OSStatus - - Security.SSLGetNumberSupportedCiphers.argtypes = [ - SSLContextRef, - POINTER(c_size_t) - ] - Security.SSLGetNumberSupportedCiphers.restype = OSStatus - - Security.SSLGetSupportedCiphers.argtypes = [ - SSLContextRef, - POINTER(SSLCipherSuite), - POINTER(c_size_t) - ] - Security.SSLGetSupportedCiphers.restype = OSStatus - - Security.SSLSetEnabledCiphers.argtypes = [ - SSLContextRef, - POINTER(SSLCipherSuite), - c_size_t - ] - Security.SSLSetEnabledCiphers.restype = OSStatus - - Security.SSLGetNumberEnabledCiphers.argtype = [ - SSLContextRef, - POINTER(c_size_t) - ] - Security.SSLGetNumberEnabledCiphers.restype = OSStatus - - Security.SSLGetEnabledCiphers.argtypes = [ - SSLContextRef, - POINTER(SSLCipherSuite), - POINTER(c_size_t) - ] - Security.SSLGetEnabledCiphers.restype = OSStatus - - Security.SSLGetNegotiatedCipher.argtypes = [ - SSLContextRef, - POINTER(SSLCipherSuite) - ] - Security.SSLGetNegotiatedCipher.restype = OSStatus - - Security.SSLGetNegotiatedProtocolVersion.argtypes = [ - SSLContextRef, - POINTER(SSLProtocol) - ] - Security.SSLGetNegotiatedProtocolVersion.restype = OSStatus - - Security.SSLCopyPeerTrust.argtypes = [ - SSLContextRef, - POINTER(SecTrustRef) - ] - Security.SSLCopyPeerTrust.restype = OSStatus - - Security.SecTrustSetAnchorCertificates.argtypes = [ - SecTrustRef, - CFArrayRef - ] - Security.SecTrustSetAnchorCertificates.restype = OSStatus - - Security.SecTrustSetAnchorCertificatesOnly.argstypes = [ - SecTrustRef, - Boolean - ] - Security.SecTrustSetAnchorCertificatesOnly.restype = OSStatus - - Security.SecTrustEvaluate.argtypes = [ - SecTrustRef, - POINTER(SecTrustResultType) - ] - Security.SecTrustEvaluate.restype = OSStatus - - Security.SecTrustGetCertificateCount.argtypes = [ - SecTrustRef - ] - Security.SecTrustGetCertificateCount.restype = CFIndex - - Security.SecTrustGetCertificateAtIndex.argtypes = [ - SecTrustRef, - CFIndex - ] - Security.SecTrustGetCertificateAtIndex.restype = SecCertificateRef - - Security.SSLCreateContext.argtypes = [ - CFAllocatorRef, - SSLProtocolSide, - SSLConnectionType - ] - Security.SSLCreateContext.restype = SSLContextRef - - Security.SSLSetSessionOption.argtypes = [ - SSLContextRef, - SSLSessionOption, - Boolean - ] - Security.SSLSetSessionOption.restype = OSStatus - - Security.SSLSetProtocolVersionMin.argtypes = [ - SSLContextRef, - SSLProtocol - ] - Security.SSLSetProtocolVersionMin.restype = OSStatus - - Security.SSLSetProtocolVersionMax.argtypes = [ - SSLContextRef, - SSLProtocol - ] - Security.SSLSetProtocolVersionMax.restype = OSStatus - - Security.SecCopyErrorMessageString.argtypes = [ - OSStatus, - c_void_p - ] - Security.SecCopyErrorMessageString.restype = CFStringRef - - Security.SSLReadFunc = SSLReadFunc - Security.SSLWriteFunc = SSLWriteFunc - Security.SSLContextRef = SSLContextRef - Security.SSLProtocol = SSLProtocol - Security.SSLCipherSuite = SSLCipherSuite - Security.SecIdentityRef = SecIdentityRef - Security.SecKeychainRef = SecKeychainRef - Security.SecTrustRef = SecTrustRef - Security.SecTrustResultType = SecTrustResultType - Security.SecExternalFormat = SecExternalFormat - Security.OSStatus = OSStatus - - Security.kSecImportExportPassphrase = CFStringRef.in_dll( - Security, 'kSecImportExportPassphrase' - ) - Security.kSecImportItemIdentity = CFStringRef.in_dll( - Security, 'kSecImportItemIdentity' - ) - - # CoreFoundation time! - CoreFoundation.CFRetain.argtypes = [ - CFTypeRef - ] - CoreFoundation.CFRetain.restype = CFTypeRef - - CoreFoundation.CFRelease.argtypes = [ - CFTypeRef - ] - CoreFoundation.CFRelease.restype = None - - CoreFoundation.CFGetTypeID.argtypes = [ - CFTypeRef - ] - CoreFoundation.CFGetTypeID.restype = CFTypeID - - CoreFoundation.CFStringCreateWithCString.argtypes = [ - CFAllocatorRef, - c_char_p, - CFStringEncoding - ] - CoreFoundation.CFStringCreateWithCString.restype = CFStringRef - - CoreFoundation.CFStringGetCStringPtr.argtypes = [ - CFStringRef, - CFStringEncoding - ] - CoreFoundation.CFStringGetCStringPtr.restype = c_char_p - - CoreFoundation.CFStringGetCString.argtypes = [ - CFStringRef, - c_char_p, - CFIndex, - CFStringEncoding - ] - CoreFoundation.CFStringGetCString.restype = c_bool - - CoreFoundation.CFDataCreate.argtypes = [ - CFAllocatorRef, - c_char_p, - CFIndex - ] - CoreFoundation.CFDataCreate.restype = CFDataRef - - CoreFoundation.CFDataGetLength.argtypes = [ - CFDataRef - ] - CoreFoundation.CFDataGetLength.restype = CFIndex - - CoreFoundation.CFDataGetBytePtr.argtypes = [ - CFDataRef - ] - CoreFoundation.CFDataGetBytePtr.restype = c_void_p - - CoreFoundation.CFDictionaryCreate.argtypes = [ - CFAllocatorRef, - POINTER(CFTypeRef), - POINTER(CFTypeRef), - CFIndex, - CFDictionaryKeyCallBacks, - CFDictionaryValueCallBacks - ] - CoreFoundation.CFDictionaryCreate.restype = CFDictionaryRef - - CoreFoundation.CFDictionaryGetValue.argtypes = [ - CFDictionaryRef, - CFTypeRef - ] - CoreFoundation.CFDictionaryGetValue.restype = CFTypeRef - - CoreFoundation.CFArrayCreate.argtypes = [ - CFAllocatorRef, - POINTER(CFTypeRef), - CFIndex, - CFArrayCallBacks, - ] - CoreFoundation.CFArrayCreate.restype = CFArrayRef - - CoreFoundation.CFArrayCreateMutable.argtypes = [ - CFAllocatorRef, - CFIndex, - CFArrayCallBacks - ] - CoreFoundation.CFArrayCreateMutable.restype = CFMutableArrayRef - - CoreFoundation.CFArrayAppendValue.argtypes = [ - CFMutableArrayRef, - c_void_p - ] - CoreFoundation.CFArrayAppendValue.restype = None - - CoreFoundation.CFArrayGetCount.argtypes = [ - CFArrayRef - ] - CoreFoundation.CFArrayGetCount.restype = CFIndex - - CoreFoundation.CFArrayGetValueAtIndex.argtypes = [ - CFArrayRef, - CFIndex - ] - CoreFoundation.CFArrayGetValueAtIndex.restype = c_void_p - - CoreFoundation.kCFAllocatorDefault = CFAllocatorRef.in_dll( - CoreFoundation, 'kCFAllocatorDefault' - ) - CoreFoundation.kCFTypeArrayCallBacks = c_void_p.in_dll(CoreFoundation, 'kCFTypeArrayCallBacks') - CoreFoundation.kCFTypeDictionaryKeyCallBacks = c_void_p.in_dll( - CoreFoundation, 'kCFTypeDictionaryKeyCallBacks' - ) - CoreFoundation.kCFTypeDictionaryValueCallBacks = c_void_p.in_dll( - CoreFoundation, 'kCFTypeDictionaryValueCallBacks' - ) - - CoreFoundation.CFTypeRef = CFTypeRef - CoreFoundation.CFArrayRef = CFArrayRef - CoreFoundation.CFStringRef = CFStringRef - CoreFoundation.CFDictionaryRef = CFDictionaryRef - -except (AttributeError): - raise ImportError('Error initializing ctypes') - - -class CFConst(object): - """ - A class object that acts as essentially a namespace for CoreFoundation - constants. - """ - kCFStringEncodingUTF8 = CFStringEncoding(0x08000100) - - -class SecurityConst(object): - """ - A class object that acts as essentially a namespace for Security constants. - """ - kSSLSessionOptionBreakOnServerAuth = 0 - - kSSLProtocol2 = 1 - kSSLProtocol3 = 2 - kTLSProtocol1 = 4 - kTLSProtocol11 = 7 - kTLSProtocol12 = 8 - - kSSLClientSide = 1 - kSSLStreamType = 0 - - kSecFormatPEMSequence = 10 - - kSecTrustResultInvalid = 0 - kSecTrustResultProceed = 1 - # This gap is present on purpose: this was kSecTrustResultConfirm, which - # is deprecated. - kSecTrustResultDeny = 3 - kSecTrustResultUnspecified = 4 - kSecTrustResultRecoverableTrustFailure = 5 - kSecTrustResultFatalTrustFailure = 6 - kSecTrustResultOtherError = 7 - - errSSLProtocol = -9800 - errSSLWouldBlock = -9803 - errSSLClosedGraceful = -9805 - errSSLClosedNoNotify = -9816 - errSSLClosedAbort = -9806 - - errSSLXCertChainInvalid = -9807 - errSSLCrypto = -9809 - errSSLInternal = -9810 - errSSLCertExpired = -9814 - errSSLCertNotYetValid = -9815 - errSSLUnknownRootCert = -9812 - errSSLNoRootCert = -9813 - errSSLHostNameMismatch = -9843 - errSSLPeerHandshakeFail = -9824 - errSSLPeerUserCancelled = -9839 - errSSLWeakPeerEphemeralDHKey = -9850 - errSSLServerAuthCompleted = -9841 - errSSLRecordOverflow = -9847 - - errSecVerifyFailed = -67808 - errSecNoTrustSettings = -25263 - errSecItemNotFound = -25300 - errSecInvalidTrustSettings = -25262 - - # Cipher suites. We only pick the ones our default cipher string allows. - TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 = 0xC02C - TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 = 0xC030 - TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 = 0xC02B - TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 = 0xC02F - TLS_DHE_DSS_WITH_AES_256_GCM_SHA384 = 0x00A3 - TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 = 0x009F - TLS_DHE_DSS_WITH_AES_128_GCM_SHA256 = 0x00A2 - TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 = 0x009E - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 = 0xC024 - TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 = 0xC028 - TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA = 0xC00A - TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA = 0xC014 - TLS_DHE_RSA_WITH_AES_256_CBC_SHA256 = 0x006B - TLS_DHE_DSS_WITH_AES_256_CBC_SHA256 = 0x006A - TLS_DHE_RSA_WITH_AES_256_CBC_SHA = 0x0039 - TLS_DHE_DSS_WITH_AES_256_CBC_SHA = 0x0038 - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 = 0xC023 - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 = 0xC027 - TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA = 0xC009 - TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA = 0xC013 - TLS_DHE_RSA_WITH_AES_128_CBC_SHA256 = 0x0067 - TLS_DHE_DSS_WITH_AES_128_CBC_SHA256 = 0x0040 - TLS_DHE_RSA_WITH_AES_128_CBC_SHA = 0x0033 - TLS_DHE_DSS_WITH_AES_128_CBC_SHA = 0x0032 - TLS_RSA_WITH_AES_256_GCM_SHA384 = 0x009D - TLS_RSA_WITH_AES_128_GCM_SHA256 = 0x009C - TLS_RSA_WITH_AES_256_CBC_SHA256 = 0x003D - TLS_RSA_WITH_AES_128_CBC_SHA256 = 0x003C - TLS_RSA_WITH_AES_256_CBC_SHA = 0x0035 - TLS_RSA_WITH_AES_128_CBC_SHA = 0x002F diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/low_level.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/low_level.py deleted file mode 100644 index 0f79a1372..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/_securetransport/low_level.py +++ /dev/null @@ -1,344 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -Low-level helpers for the SecureTransport bindings. - -These are Python functions that are not directly related to the high-level APIs -but are necessary to get them to work. They include a whole bunch of low-level -CoreFoundation messing about and memory management. The concerns in this module -are almost entirely about trying to avoid memory leaks and providing -appropriate and useful assistance to the higher-level code. -""" -import base64 -import ctypes -import itertools -import re -import os -import ssl -import tempfile - -from .bindings import Security, CoreFoundation, CFConst - - -# This regular expression is used to grab PEM data out of a PEM bundle. -_PEM_CERTS_RE = re.compile( - b"-----BEGIN CERTIFICATE-----\n(.*?)\n-----END CERTIFICATE-----", re.DOTALL -) - - -def _cf_data_from_bytes(bytestring): - """ - Given a bytestring, create a CFData object from it. This CFData object must - be CFReleased by the caller. - """ - return CoreFoundation.CFDataCreate( - CoreFoundation.kCFAllocatorDefault, bytestring, len(bytestring) - ) - - -def _cf_dictionary_from_tuples(tuples): - """ - Given a list of Python tuples, create an associated CFDictionary. - """ - dictionary_size = len(tuples) - - # We need to get the dictionary keys and values out in the same order. - keys = (t[0] for t in tuples) - values = (t[1] for t in tuples) - cf_keys = (CoreFoundation.CFTypeRef * dictionary_size)(*keys) - cf_values = (CoreFoundation.CFTypeRef * dictionary_size)(*values) - - return CoreFoundation.CFDictionaryCreate( - CoreFoundation.kCFAllocatorDefault, - cf_keys, - cf_values, - dictionary_size, - CoreFoundation.kCFTypeDictionaryKeyCallBacks, - CoreFoundation.kCFTypeDictionaryValueCallBacks, - ) - - -def _cf_string_to_unicode(value): - """ - Creates a Unicode string from a CFString object. Used entirely for error - reporting. - - Yes, it annoys me quite a lot that this function is this complex. - """ - value_as_void_p = ctypes.cast(value, ctypes.POINTER(ctypes.c_void_p)) - - string = CoreFoundation.CFStringGetCStringPtr( - value_as_void_p, - CFConst.kCFStringEncodingUTF8 - ) - if string is None: - buffer = ctypes.create_string_buffer(1024) - result = CoreFoundation.CFStringGetCString( - value_as_void_p, - buffer, - 1024, - CFConst.kCFStringEncodingUTF8 - ) - if not result: - raise OSError('Error copying C string from CFStringRef') - string = buffer.value - if string is not None: - string = string.decode('utf-8') - return string - - -def _assert_no_error(error, exception_class=None): - """ - Checks the return code and throws an exception if there is an error to - report - """ - if error == 0: - return - - cf_error_string = Security.SecCopyErrorMessageString(error, None) - output = _cf_string_to_unicode(cf_error_string) - CoreFoundation.CFRelease(cf_error_string) - - if output is None or output == u'': - output = u'OSStatus %s' % error - - if exception_class is None: - exception_class = ssl.SSLError - - raise exception_class(output) - - -def _cert_array_from_pem(pem_bundle): - """ - Given a bundle of certs in PEM format, turns them into a CFArray of certs - that can be used to validate a cert chain. - """ - der_certs = [ - base64.b64decode(match.group(1)) - for match in _PEM_CERTS_RE.finditer(pem_bundle) - ] - if not der_certs: - raise ssl.SSLError("No root certificates specified") - - cert_array = CoreFoundation.CFArrayCreateMutable( - CoreFoundation.kCFAllocatorDefault, - 0, - ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks) - ) - if not cert_array: - raise ssl.SSLError("Unable to allocate memory!") - - try: - for der_bytes in der_certs: - certdata = _cf_data_from_bytes(der_bytes) - if not certdata: - raise ssl.SSLError("Unable to allocate memory!") - cert = Security.SecCertificateCreateWithData( - CoreFoundation.kCFAllocatorDefault, certdata - ) - CoreFoundation.CFRelease(certdata) - if not cert: - raise ssl.SSLError("Unable to build cert object!") - - CoreFoundation.CFArrayAppendValue(cert_array, cert) - CoreFoundation.CFRelease(cert) - except Exception: - # We need to free the array before the exception bubbles further. - # We only want to do that if an error occurs: otherwise, the caller - # should free. - CoreFoundation.CFRelease(cert_array) - - return cert_array - - -def _is_cert(item): - """ - Returns True if a given CFTypeRef is a certificate. - """ - expected = Security.SecCertificateGetTypeID() - return CoreFoundation.CFGetTypeID(item) == expected - - -def _is_identity(item): - """ - Returns True if a given CFTypeRef is an identity. - """ - expected = Security.SecIdentityGetTypeID() - return CoreFoundation.CFGetTypeID(item) == expected - - -def _temporary_keychain(): - """ - This function creates a temporary Mac keychain that we can use to work with - credentials. This keychain uses a one-time password and a temporary file to - store the data. We expect to have one keychain per socket. The returned - SecKeychainRef must be freed by the caller, including calling - SecKeychainDelete. - - Returns a tuple of the SecKeychainRef and the path to the temporary - directory that contains it. - """ - # Unfortunately, SecKeychainCreate requires a path to a keychain. This - # means we cannot use mkstemp to use a generic temporary file. Instead, - # we're going to create a temporary directory and a filename to use there. - # This filename will be 8 random bytes expanded into base64. We also need - # some random bytes to password-protect the keychain we're creating, so we - # ask for 40 random bytes. - random_bytes = os.urandom(40) - filename = base64.b64encode(random_bytes[:8]).decode('utf-8') - password = base64.b64encode(random_bytes[8:]) # Must be valid UTF-8 - tempdirectory = tempfile.mkdtemp() - - keychain_path = os.path.join(tempdirectory, filename).encode('utf-8') - - # We now want to create the keychain itself. - keychain = Security.SecKeychainRef() - status = Security.SecKeychainCreate( - keychain_path, - len(password), - password, - False, - None, - ctypes.byref(keychain) - ) - _assert_no_error(status) - - # Having created the keychain, we want to pass it off to the caller. - return keychain, tempdirectory - - -def _load_items_from_file(keychain, path): - """ - Given a single file, loads all the trust objects from it into arrays and - the keychain. - Returns a tuple of lists: the first list is a list of identities, the - second a list of certs. - """ - certificates = [] - identities = [] - result_array = None - - with open(path, 'rb') as f: - raw_filedata = f.read() - - try: - filedata = CoreFoundation.CFDataCreate( - CoreFoundation.kCFAllocatorDefault, - raw_filedata, - len(raw_filedata) - ) - result_array = CoreFoundation.CFArrayRef() - result = Security.SecItemImport( - filedata, # cert data - None, # Filename, leaving it out for now - None, # What the type of the file is, we don't care - None, # what's in the file, we don't care - 0, # import flags - None, # key params, can include passphrase in the future - keychain, # The keychain to insert into - ctypes.byref(result_array) # Results - ) - _assert_no_error(result) - - # A CFArray is not very useful to us as an intermediary - # representation, so we are going to extract the objects we want - # and then free the array. We don't need to keep hold of keys: the - # keychain already has them! - result_count = CoreFoundation.CFArrayGetCount(result_array) - for index in range(result_count): - item = CoreFoundation.CFArrayGetValueAtIndex( - result_array, index - ) - item = ctypes.cast(item, CoreFoundation.CFTypeRef) - - if _is_cert(item): - CoreFoundation.CFRetain(item) - certificates.append(item) - elif _is_identity(item): - CoreFoundation.CFRetain(item) - identities.append(item) - finally: - if result_array: - CoreFoundation.CFRelease(result_array) - - CoreFoundation.CFRelease(filedata) - - return (identities, certificates) - - -def _load_client_cert_chain(keychain, *paths): - """ - Load certificates and maybe keys from a number of files. Has the end goal - of returning a CFArray containing one SecIdentityRef, and then zero or more - SecCertificateRef objects, suitable for use as a client certificate trust - chain. - """ - # Ok, the strategy. - # - # This relies on knowing that macOS will not give you a SecIdentityRef - # unless you have imported a key into a keychain. This is a somewhat - # artificial limitation of macOS (for example, it doesn't necessarily - # affect iOS), but there is nothing inside Security.framework that lets you - # get a SecIdentityRef without having a key in a keychain. - # - # So the policy here is we take all the files and iterate them in order. - # Each one will use SecItemImport to have one or more objects loaded from - # it. We will also point at a keychain that macOS can use to work with the - # private key. - # - # Once we have all the objects, we'll check what we actually have. If we - # already have a SecIdentityRef in hand, fab: we'll use that. Otherwise, - # we'll take the first certificate (which we assume to be our leaf) and - # ask the keychain to give us a SecIdentityRef with that cert's associated - # key. - # - # We'll then return a CFArray containing the trust chain: one - # SecIdentityRef and then zero-or-more SecCertificateRef objects. The - # responsibility for freeing this CFArray will be with the caller. This - # CFArray must remain alive for the entire connection, so in practice it - # will be stored with a single SSLSocket, along with the reference to the - # keychain. - certificates = [] - identities = [] - - # Filter out bad paths. - paths = (path for path in paths if path) - - try: - for file_path in paths: - new_identities, new_certs = _load_items_from_file( - keychain, file_path - ) - identities.extend(new_identities) - certificates.extend(new_certs) - - # Ok, we have everything. The question is: do we have an identity? If - # not, we want to grab one from the first cert we have. - if not identities: - new_identity = Security.SecIdentityRef() - status = Security.SecIdentityCreateWithCertificate( - keychain, - certificates[0], - ctypes.byref(new_identity) - ) - _assert_no_error(status) - identities.append(new_identity) - - # We now want to release the original certificate, as we no longer - # need it. - CoreFoundation.CFRelease(certificates.pop(0)) - - # We now need to build a new CFArray that holds the trust chain. - trust_chain = CoreFoundation.CFArrayCreateMutable( - CoreFoundation.kCFAllocatorDefault, - 0, - ctypes.byref(CoreFoundation.kCFTypeArrayCallBacks), - ) - for item in itertools.chain(identities, certificates): - # ArrayAppendValue does a CFRetain on the item. That's fine, - # because the finally block will release our other refs to them. - CoreFoundation.CFArrayAppendValue(trust_chain, item) - - return trust_chain - finally: - for obj in itertools.chain(identities, certificates): - CoreFoundation.CFRelease(obj) diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/appengine.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/appengine.py deleted file mode 100644 index e74589fa8..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/appengine.py +++ /dev/null @@ -1,297 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -This module provides a pool manager that uses Google App Engine's -`URLFetch Service <https://cloud.google.com/appengine/docs/python/urlfetch>`_. - -Example usage:: - - from urllib3 import PoolManager - from urllib3.contrib.appengine import AppEngineManager, is_appengine_sandbox - - if is_appengine_sandbox(): - # AppEngineManager uses AppEngine's URLFetch API behind the scenes - http = AppEngineManager() - else: - # PoolManager uses a socket-level API behind the scenes - http = PoolManager() - - r = http.request('GET', 'https://google.com/') - -There are `limitations <https://cloud.google.com/appengine/docs/python/\ -urlfetch/#Python_Quotas_and_limits>`_ to the URLFetch service and it may not be -the best choice for your application. There are three options for using -urllib3 on Google App Engine: - -1. You can use :class:`AppEngineManager` with URLFetch. URLFetch is - cost-effective in many circumstances as long as your usage is within the - limitations. -2. You can use a normal :class:`~urllib3.PoolManager` by enabling sockets. - Sockets also have `limitations and restrictions - <https://cloud.google.com/appengine/docs/python/sockets/\ - #limitations-and-restrictions>`_ and have a lower free quota than URLFetch. - To use sockets, be sure to specify the following in your ``app.yaml``:: - - env_variables: - GAE_USE_SOCKETS_HTTPLIB : 'true' - -3. If you are using `App Engine Flexible -<https://cloud.google.com/appengine/docs/flexible/>`_, you can use the standard -:class:`PoolManager` without any configuration or special environment variables. -""" - -from __future__ import absolute_import -import logging -import os -import warnings -from ..packages.six.moves.urllib.parse import urljoin - -from ..exceptions import ( - HTTPError, - HTTPWarning, - MaxRetryError, - ProtocolError, - TimeoutError, - SSLError -) - -from ..packages.six import BytesIO -from ..request import RequestMethods -from ..response import HTTPResponse -from ..util.timeout import Timeout -from ..util.retry import Retry - -try: - from google.appengine.api import urlfetch -except ImportError: - urlfetch = None - - -log = logging.getLogger(__name__) - - -class AppEnginePlatformWarning(HTTPWarning): - pass - - -class AppEnginePlatformError(HTTPError): - pass - - -class AppEngineManager(RequestMethods): - """ - Connection manager for Google App Engine sandbox applications. - - This manager uses the URLFetch service directly instead of using the - emulated httplib, and is subject to URLFetch limitations as described in - the App Engine documentation `here - <https://cloud.google.com/appengine/docs/python/urlfetch>`_. - - Notably it will raise an :class:`AppEnginePlatformError` if: - * URLFetch is not available. - * If you attempt to use this on App Engine Flexible, as full socket - support is available. - * If a request size is more than 10 megabytes. - * If a response size is more than 32 megabtyes. - * If you use an unsupported request method such as OPTIONS. - - Beyond those cases, it will raise normal urllib3 errors. - """ - - def __init__(self, headers=None, retries=None, validate_certificate=True, - urlfetch_retries=True): - if not urlfetch: - raise AppEnginePlatformError( - "URLFetch is not available in this environment.") - - if is_prod_appengine_mvms(): - raise AppEnginePlatformError( - "Use normal urllib3.PoolManager instead of AppEngineManager" - "on Managed VMs, as using URLFetch is not necessary in " - "this environment.") - - warnings.warn( - "urllib3 is using URLFetch on Google App Engine sandbox instead " - "of sockets. To use sockets directly instead of URLFetch see " - "https://urllib3.readthedocs.io/en/latest/reference/urllib3.contrib.html.", - AppEnginePlatformWarning) - - RequestMethods.__init__(self, headers) - self.validate_certificate = validate_certificate - self.urlfetch_retries = urlfetch_retries - - self.retries = retries or Retry.DEFAULT - - def __enter__(self): - return self - - def __exit__(self, exc_type, exc_val, exc_tb): - # Return False to re-raise any potential exceptions - return False - - def urlopen(self, method, url, body=None, headers=None, - retries=None, redirect=True, timeout=Timeout.DEFAULT_TIMEOUT, - **response_kw): - - retries = self._get_retries(retries, redirect) - - try: - follow_redirects = ( - redirect and - retries.redirect != 0 and - retries.total) - response = urlfetch.fetch( - url, - payload=body, - method=method, - headers=headers or {}, - allow_truncated=False, - follow_redirects=self.urlfetch_retries and follow_redirects, - deadline=self._get_absolute_timeout(timeout), - validate_certificate=self.validate_certificate, - ) - except urlfetch.DeadlineExceededError as e: - raise TimeoutError(self, e) - - except urlfetch.InvalidURLError as e: - if 'too large' in str(e): - raise AppEnginePlatformError( - "URLFetch request too large, URLFetch only " - "supports requests up to 10mb in size.", e) - raise ProtocolError(e) - - except urlfetch.DownloadError as e: - if 'Too many redirects' in str(e): - raise MaxRetryError(self, url, reason=e) - raise ProtocolError(e) - - except urlfetch.ResponseTooLargeError as e: - raise AppEnginePlatformError( - "URLFetch response too large, URLFetch only supports" - "responses up to 32mb in size.", e) - - except urlfetch.SSLCertificateError as e: - raise SSLError(e) - - except urlfetch.InvalidMethodError as e: - raise AppEnginePlatformError( - "URLFetch does not support method: %s" % method, e) - - http_response = self._urlfetch_response_to_http_response( - response, retries=retries, **response_kw) - - # Handle redirect? - redirect_location = redirect and http_response.get_redirect_location() - if redirect_location: - # Check for redirect response - if (self.urlfetch_retries and retries.raise_on_redirect): - raise MaxRetryError(self, url, "too many redirects") - else: - if http_response.status == 303: - method = 'GET' - - try: - retries = retries.increment(method, url, response=http_response, _pool=self) - except MaxRetryError: - if retries.raise_on_redirect: - raise MaxRetryError(self, url, "too many redirects") - return http_response - - retries.sleep_for_retry(http_response) - log.debug("Redirecting %s -> %s", url, redirect_location) - redirect_url = urljoin(url, redirect_location) - return self.urlopen( - method, redirect_url, body, headers, - retries=retries, redirect=redirect, - timeout=timeout, **response_kw) - - # Check if we should retry the HTTP response. - has_retry_after = bool(http_response.getheader('Retry-After')) - if retries.is_retry(method, http_response.status, has_retry_after): - retries = retries.increment( - method, url, response=http_response, _pool=self) - log.debug("Retry: %s", url) - retries.sleep(http_response) - return self.urlopen( - method, url, - body=body, headers=headers, - retries=retries, redirect=redirect, - timeout=timeout, **response_kw) - - return http_response - - def _urlfetch_response_to_http_response(self, urlfetch_resp, **response_kw): - - if is_prod_appengine(): - # Production GAE handles deflate encoding automatically, but does - # not remove the encoding header. - content_encoding = urlfetch_resp.headers.get('content-encoding') - - if content_encoding == 'deflate': - del urlfetch_resp.headers['content-encoding'] - - transfer_encoding = urlfetch_resp.headers.get('transfer-encoding') - # We have a full response's content, - # so let's make sure we don't report ourselves as chunked data. - if transfer_encoding == 'chunked': - encodings = transfer_encoding.split(",") - encodings.remove('chunked') - urlfetch_resp.headers['transfer-encoding'] = ','.join(encodings) - - return HTTPResponse( - # In order for decoding to work, we must present the content as - # a file-like object. - body=BytesIO(urlfetch_resp.content), - headers=urlfetch_resp.headers, - status=urlfetch_resp.status_code, - **response_kw - ) - - def _get_absolute_timeout(self, timeout): - if timeout is Timeout.DEFAULT_TIMEOUT: - return None # Defer to URLFetch's default. - if isinstance(timeout, Timeout): - if timeout._read is not None or timeout._connect is not None: - warnings.warn( - "URLFetch does not support granular timeout settings, " - "reverting to total or default URLFetch timeout.", - AppEnginePlatformWarning) - return timeout.total - return timeout - - def _get_retries(self, retries, redirect): - if not isinstance(retries, Retry): - retries = Retry.from_int( - retries, redirect=redirect, default=self.retries) - - if retries.connect or retries.read or retries.redirect: - warnings.warn( - "URLFetch only supports total retries and does not " - "recognize connect, read, or redirect retry parameters.", - AppEnginePlatformWarning) - - return retries - - -def is_appengine(): - return (is_local_appengine() or - is_prod_appengine() or - is_prod_appengine_mvms()) - - -def is_appengine_sandbox(): - return is_appengine() and not is_prod_appengine_mvms() - - -def is_local_appengine(): - return ('APPENGINE_RUNTIME' in os.environ and - 'Development/' in os.environ['SERVER_SOFTWARE']) - - -def is_prod_appengine(): - return ('APPENGINE_RUNTIME' in os.environ and - 'Google App Engine/' in os.environ['SERVER_SOFTWARE'] and - not is_prod_appengine_mvms()) - - -def is_prod_appengine_mvms(): - return os.environ.get('GAE_VM', False) == 'true' diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/ntlmpool.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/ntlmpool.py deleted file mode 100644 index 3f8c9ebf5..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/ntlmpool.py +++ /dev/null @@ -1,113 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -NTLM authenticating pool, contributed by erikcederstran - -Issue #10, see: http://code.google.com/p/urllib3/issues/detail?id=10 -""" -from __future__ import absolute_import - -from logging import getLogger -from ntlm import ntlm - -from .. import HTTPSConnectionPool -from ..packages.six.moves.http_client import HTTPSConnection - - -log = getLogger(__name__) - - -class NTLMConnectionPool(HTTPSConnectionPool): - """ - Implements an NTLM authentication version of an urllib3 connection pool - """ - - scheme = 'https' - - def __init__(self, user, pw, authurl, *args, **kwargs): - """ - authurl is a random URL on the server that is protected by NTLM. - user is the Windows user, probably in the DOMAIN\\username format. - pw is the password for the user. - """ - super(NTLMConnectionPool, self).__init__(*args, **kwargs) - self.authurl = authurl - self.rawuser = user - user_parts = user.split('\\', 1) - self.domain = user_parts[0].upper() - self.user = user_parts[1] - self.pw = pw - - def _new_conn(self): - # Performs the NTLM handshake that secures the connection. The socket - # must be kept open while requests are performed. - self.num_connections += 1 - log.debug('Starting NTLM HTTPS connection no. %d: https://%s%s', - self.num_connections, self.host, self.authurl) - - headers = {} - headers['Connection'] = 'Keep-Alive' - req_header = 'Authorization' - resp_header = 'www-authenticate' - - conn = HTTPSConnection(host=self.host, port=self.port) - - # Send negotiation message - headers[req_header] = ( - 'NTLM %s' % ntlm.create_NTLM_NEGOTIATE_MESSAGE(self.rawuser)) - log.debug('Request headers: %s', headers) - conn.request('GET', self.authurl, None, headers) - res = conn.getresponse() - reshdr = dict(res.getheaders()) - log.debug('Response status: %s %s', res.status, res.reason) - log.debug('Response headers: %s', reshdr) - log.debug('Response data: %s [...]', res.read(100)) - - # Remove the reference to the socket, so that it can not be closed by - # the response object (we want to keep the socket open) - res.fp = None - - # Server should respond with a challenge message - auth_header_values = reshdr[resp_header].split(', ') - auth_header_value = None - for s in auth_header_values: - if s[:5] == 'NTLM ': - auth_header_value = s[5:] - if auth_header_value is None: - raise Exception('Unexpected %s response header: %s' % - (resp_header, reshdr[resp_header])) - - # Send authentication message - ServerChallenge, NegotiateFlags = \ - ntlm.parse_NTLM_CHALLENGE_MESSAGE(auth_header_value) - auth_msg = ntlm.create_NTLM_AUTHENTICATE_MESSAGE(ServerChallenge, - self.user, - self.domain, - self.pw, - NegotiateFlags) - headers[req_header] = 'NTLM %s' % auth_msg - log.debug('Request headers: %s', headers) - conn.request('GET', self.authurl, None, headers) - res = conn.getresponse() - log.debug('Response status: %s %s', res.status, res.reason) - log.debug('Response headers: %s', dict(res.getheaders())) - log.debug('Response data: %s [...]', res.read()[:100]) - if res.status != 200: - if res.status == 401: - raise Exception('Server rejected request: wrong ' - 'username or password') - raise Exception('Wrong server response: %s %s' % - (res.status, res.reason)) - - res.fp = None - log.debug('Connection established') - return conn - - def urlopen(self, method, url, body=None, headers=None, retries=3, - redirect=True, assert_same_host=True): - if headers is None: - headers = {} - headers['Connection'] = 'Keep-Alive' - return super(NTLMConnectionPool, self).urlopen(method, url, body, - headers, retries, - redirect, - assert_same_host) diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/pyopenssl.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/pyopenssl.py deleted file mode 100644 index 8d373507d..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/pyopenssl.py +++ /dev/null @@ -1,458 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -SSL with SNI_-support for Python 2. Follow these instructions if you would -like to verify SSL certificates in Python 2. Note, the default libraries do -*not* do certificate checking; you need to do additional work to validate -certificates yourself. - -This needs the following packages installed: - -* pyOpenSSL (tested with 16.0.0) -* cryptography (minimum 1.3.4, from pyopenssl) -* idna (minimum 2.0, from cryptography) - -However, pyopenssl depends on cryptography, which depends on idna, so while we -use all three directly here we end up having relatively few packages required. - -You can install them with the following command: - - pip install pyopenssl cryptography idna - -To activate certificate checking, call -:func:`~urllib3.contrib.pyopenssl.inject_into_urllib3` from your Python code -before you begin making HTTP requests. This can be done in a ``sitecustomize`` -module, or at any other time before your application begins using ``urllib3``, -like this:: - - try: - import urllib3.contrib.pyopenssl - urllib3.contrib.pyopenssl.inject_into_urllib3() - except ImportError: - pass - -Now you can use :mod:`urllib3` as you normally would, and it will support SNI -when the required modules are installed. - -Activating this module also has the positive side effect of disabling SSL/TLS -compression in Python 2 (see `CRIME attack`_). - -If you want to configure the default list of supported cipher suites, you can -set the ``urllib3.contrib.pyopenssl.DEFAULT_SSL_CIPHER_LIST`` variable. - -.. _sni: https://en.wikipedia.org/wiki/Server_Name_Indication -.. _crime attack: https://en.wikipedia.org/wiki/CRIME_(security_exploit) -""" -from __future__ import absolute_import - -import OpenSSL.SSL -from cryptography import x509 -from cryptography.hazmat.backends.openssl import backend as openssl_backend -from cryptography.hazmat.backends.openssl.x509 import _Certificate - -from socket import timeout, error as SocketError -from io import BytesIO - -try: # Platform-specific: Python 2 - from socket import _fileobject -except ImportError: # Platform-specific: Python 3 - _fileobject = None - from ..packages.backports.makefile import backport_makefile - -import logging -import ssl - -try: - import six -except ImportError: - from ..packages import six - -import sys - -from .. import util - -__all__ = ['inject_into_urllib3', 'extract_from_urllib3'] - -# SNI always works. -HAS_SNI = True - -# Map from urllib3 to PyOpenSSL compatible parameter-values. -_openssl_versions = { - ssl.PROTOCOL_SSLv23: OpenSSL.SSL.SSLv23_METHOD, - ssl.PROTOCOL_TLSv1: OpenSSL.SSL.TLSv1_METHOD, -} - -if hasattr(ssl, 'PROTOCOL_TLSv1_1') and hasattr(OpenSSL.SSL, 'TLSv1_1_METHOD'): - _openssl_versions[ssl.PROTOCOL_TLSv1_1] = OpenSSL.SSL.TLSv1_1_METHOD - -if hasattr(ssl, 'PROTOCOL_TLSv1_2') and hasattr(OpenSSL.SSL, 'TLSv1_2_METHOD'): - _openssl_versions[ssl.PROTOCOL_TLSv1_2] = OpenSSL.SSL.TLSv1_2_METHOD - -try: - _openssl_versions.update({ssl.PROTOCOL_SSLv3: OpenSSL.SSL.SSLv3_METHOD}) -except AttributeError: - pass - -_stdlib_to_openssl_verify = { - ssl.CERT_NONE: OpenSSL.SSL.VERIFY_NONE, - ssl.CERT_OPTIONAL: OpenSSL.SSL.VERIFY_PEER, - ssl.CERT_REQUIRED: - OpenSSL.SSL.VERIFY_PEER + OpenSSL.SSL.VERIFY_FAIL_IF_NO_PEER_CERT, -} -_openssl_to_stdlib_verify = dict( - (v, k) for k, v in _stdlib_to_openssl_verify.items() -) - -# OpenSSL will only write 16K at a time -SSL_WRITE_BLOCKSIZE = 16384 - -orig_util_HAS_SNI = util.HAS_SNI -orig_util_SSLContext = util.ssl_.SSLContext - - -log = logging.getLogger(__name__) - - -def inject_into_urllib3(): - 'Monkey-patch urllib3 with PyOpenSSL-backed SSL-support.' - - _validate_dependencies_met() - - util.ssl_.SSLContext = PyOpenSSLContext - util.HAS_SNI = HAS_SNI - util.ssl_.HAS_SNI = HAS_SNI - util.IS_PYOPENSSL = True - util.ssl_.IS_PYOPENSSL = True - - -def extract_from_urllib3(): - 'Undo monkey-patching by :func:`inject_into_urllib3`.' - - util.ssl_.SSLContext = orig_util_SSLContext - util.HAS_SNI = orig_util_HAS_SNI - util.ssl_.HAS_SNI = orig_util_HAS_SNI - util.IS_PYOPENSSL = False - util.ssl_.IS_PYOPENSSL = False - - -def _validate_dependencies_met(): - """ - Verifies that PyOpenSSL's package-level dependencies have been met. - Throws `ImportError` if they are not met. - """ - # Method added in `cryptography==1.1`; not available in older versions - from cryptography.x509.extensions import Extensions - if getattr(Extensions, "get_extension_for_class", None) is None: - raise ImportError("'cryptography' module missing required functionality. " - "Try upgrading to v1.3.4 or newer.") - - # pyOpenSSL 0.14 and above use cryptography for OpenSSL bindings. The _x509 - # attribute is only present on those versions. - from OpenSSL.crypto import X509 - x509 = X509() - if getattr(x509, "_x509", None) is None: - raise ImportError("'pyOpenSSL' module missing required functionality. " - "Try upgrading to v0.14 or newer.") - - -def _dnsname_to_stdlib(name): - """ - Converts a dNSName SubjectAlternativeName field to the form used by the - standard library on the given Python version. - - Cryptography produces a dNSName as a unicode string that was idna-decoded - from ASCII bytes. We need to idna-encode that string to get it back, and - then on Python 3 we also need to convert to unicode via UTF-8 (the stdlib - uses PyUnicode_FromStringAndSize on it, which decodes via UTF-8). - """ - def idna_encode(name): - """ - Borrowed wholesale from the Python Cryptography Project. It turns out - that we can't just safely call `idna.encode`: it can explode for - wildcard names. This avoids that problem. - """ - import idna - - for prefix in [u'*.', u'.']: - if name.startswith(prefix): - name = name[len(prefix):] - return prefix.encode('ascii') + idna.encode(name) - return idna.encode(name) - - name = idna_encode(name) - if sys.version_info >= (3, 0): - name = name.decode('utf-8') - return name - - -def get_subj_alt_name(peer_cert): - """ - Given an PyOpenSSL certificate, provides all the subject alternative names. - """ - # Pass the cert to cryptography, which has much better APIs for this. - # This is technically using private APIs, but should work across all - # relevant versions until PyOpenSSL gets something proper for this. - cert = _Certificate(openssl_backend, peer_cert._x509) - - # We want to find the SAN extension. Ask Cryptography to locate it (it's - # faster than looping in Python) - try: - ext = cert.extensions.get_extension_for_class( - x509.SubjectAlternativeName - ).value - except x509.ExtensionNotFound: - # No such extension, return the empty list. - return [] - except (x509.DuplicateExtension, x509.UnsupportedExtension, - x509.UnsupportedGeneralNameType, UnicodeError) as e: - # A problem has been found with the quality of the certificate. Assume - # no SAN field is present. - log.warning( - "A problem was encountered with the certificate that prevented " - "urllib3 from finding the SubjectAlternativeName field. This can " - "affect certificate validation. The error was %s", - e, - ) - return [] - - # We want to return dNSName and iPAddress fields. We need to cast the IPs - # back to strings because the match_hostname function wants them as - # strings. - # Sadly the DNS names need to be idna encoded and then, on Python 3, UTF-8 - # decoded. This is pretty frustrating, but that's what the standard library - # does with certificates, and so we need to attempt to do the same. - names = [ - ('DNS', _dnsname_to_stdlib(name)) - for name in ext.get_values_for_type(x509.DNSName) - ] - names.extend( - ('IP Address', str(name)) - for name in ext.get_values_for_type(x509.IPAddress) - ) - - return names - - -class WrappedSocket(object): - '''API-compatibility wrapper for Python OpenSSL's Connection-class. - - Note: _makefile_refs, _drop() and _reuse() are needed for the garbage - collector of pypy. - ''' - - def __init__(self, connection, socket, suppress_ragged_eofs=True): - self.connection = connection - self.socket = socket - self.suppress_ragged_eofs = suppress_ragged_eofs - self._makefile_refs = 0 - self._closed = False - - def fileno(self): - return self.socket.fileno() - - # Copy-pasted from Python 3.5 source code - def _decref_socketios(self): - if self._makefile_refs > 0: - self._makefile_refs -= 1 - if self._closed: - self.close() - - def recv(self, *args, **kwargs): - try: - data = self.connection.recv(*args, **kwargs) - except OpenSSL.SSL.SysCallError as e: - if self.suppress_ragged_eofs and e.args == (-1, 'Unexpected EOF'): - return b'' - else: - raise SocketError(str(e)) - except OpenSSL.SSL.ZeroReturnError as e: - if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN: - return b'' - else: - raise - except OpenSSL.SSL.WantReadError: - rd = util.wait_for_read(self.socket, self.socket.gettimeout()) - if not rd: - raise timeout('The read operation timed out') - else: - return self.recv(*args, **kwargs) - else: - return data - - def recv_into(self, *args, **kwargs): - try: - return self.connection.recv_into(*args, **kwargs) - except OpenSSL.SSL.SysCallError as e: - if self.suppress_ragged_eofs and e.args == (-1, 'Unexpected EOF'): - return 0 - else: - raise SocketError(str(e)) - except OpenSSL.SSL.ZeroReturnError as e: - if self.connection.get_shutdown() == OpenSSL.SSL.RECEIVED_SHUTDOWN: - return 0 - else: - raise - except OpenSSL.SSL.WantReadError: - rd = util.wait_for_read(self.socket, self.socket.gettimeout()) - if not rd: - raise timeout('The read operation timed out') - else: - return self.recv_into(*args, **kwargs) - - def settimeout(self, timeout): - return self.socket.settimeout(timeout) - - def _send_until_done(self, data): - while True: - try: - return self.connection.send(data) - except OpenSSL.SSL.WantWriteError: - wr = util.wait_for_write(self.socket, self.socket.gettimeout()) - if not wr: - raise timeout() - continue - except OpenSSL.SSL.SysCallError as e: - raise SocketError(str(e)) - - def sendall(self, data): - total_sent = 0 - while total_sent < len(data): - sent = self._send_until_done(data[total_sent:total_sent + SSL_WRITE_BLOCKSIZE]) - total_sent += sent - - def shutdown(self): - # FIXME rethrow compatible exceptions should we ever use this - self.connection.shutdown() - - def close(self): - if self._makefile_refs < 1: - try: - self._closed = True - return self.connection.close() - except OpenSSL.SSL.Error: - return - else: - self._makefile_refs -= 1 - - def getpeercert(self, binary_form=False): - x509 = self.connection.get_peer_certificate() - - if not x509: - return x509 - - if binary_form: - return OpenSSL.crypto.dump_certificate( - OpenSSL.crypto.FILETYPE_ASN1, - x509) - - return { - 'subject': ( - (('commonName', x509.get_subject().CN),), - ), - 'subjectAltName': get_subj_alt_name(x509) - } - - def _reuse(self): - self._makefile_refs += 1 - - def _drop(self): - if self._makefile_refs < 1: - self.close() - else: - self._makefile_refs -= 1 - - -if _fileobject: # Platform-specific: Python 2 - def makefile(self, mode, bufsize=-1): - self._makefile_refs += 1 - return _fileobject(self, mode, bufsize, close=True) -else: # Platform-specific: Python 3 - makefile = backport_makefile - -WrappedSocket.makefile = makefile - - -class PyOpenSSLContext(object): - """ - I am a wrapper class for the PyOpenSSL ``Context`` object. I am responsible - for translating the interface of the standard library ``SSLContext`` object - to calls into PyOpenSSL. - """ - def __init__(self, protocol): - self.protocol = _openssl_versions[protocol] - self._ctx = OpenSSL.SSL.Context(self.protocol) - self._options = 0 - self.check_hostname = False - - @property - def options(self): - return self._options - - @options.setter - def options(self, value): - self._options = value - self._ctx.set_options(value) - - @property - def verify_mode(self): - return _openssl_to_stdlib_verify[self._ctx.get_verify_mode()] - - @verify_mode.setter - def verify_mode(self, value): - self._ctx.set_verify( - _stdlib_to_openssl_verify[value], - _verify_callback - ) - - def set_default_verify_paths(self): - self._ctx.set_default_verify_paths() - - def set_ciphers(self, ciphers): - if isinstance(ciphers, six.text_type): - ciphers = ciphers.encode('utf-8') - self._ctx.set_cipher_list(ciphers) - - def load_verify_locations(self, cafile=None, capath=None, cadata=None): - if cafile is not None: - cafile = cafile.encode('utf-8') - if capath is not None: - capath = capath.encode('utf-8') - self._ctx.load_verify_locations(cafile, capath) - if cadata is not None: - self._ctx.load_verify_locations(BytesIO(cadata)) - - def load_cert_chain(self, certfile, keyfile=None, password=None): - self._ctx.use_certificate_file(certfile) - if password is not None: - self._ctx.set_passwd_cb(lambda max_length, prompt_twice, userdata: password) - self._ctx.use_privatekey_file(keyfile or certfile) - - def wrap_socket(self, sock, server_side=False, - do_handshake_on_connect=True, suppress_ragged_eofs=True, - server_hostname=None): - cnx = OpenSSL.SSL.Connection(self._ctx, sock) - - if isinstance(server_hostname, six.text_type): # Platform-specific: Python 3 - server_hostname = server_hostname.encode('utf-8') - - if server_hostname is not None: - cnx.set_tlsext_host_name(server_hostname) - - cnx.set_connect_state() - - while True: - try: - cnx.do_handshake() - except OpenSSL.SSL.WantReadError: - rd = util.wait_for_read(sock, sock.gettimeout()) - if not rd: - raise timeout('select timed out') - continue - except OpenSSL.SSL.Error as e: - raise ssl.SSLError('bad handshake: %r' % e) - break - - return WrappedSocket(cnx, sock) - - -def _verify_callback(cnx, x509, err_no, err_depth, return_code): - return err_no == 0 diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/securetransport.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/securetransport.py deleted file mode 100644 index fcc30118c..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/securetransport.py +++ /dev/null @@ -1,808 +0,0 @@ -# SPDX-License-Identifier: MIT -""" -SecureTranport support for urllib3 via ctypes. - -This makes platform-native TLS available to urllib3 users on macOS without the -use of a compiler. This is an important feature because the Python Package -Index is moving to become a TLSv1.2-or-higher server, and the default OpenSSL -that ships with macOS is not capable of doing TLSv1.2. The only way to resolve -this is to give macOS users an alternative solution to the problem, and that -solution is to use SecureTransport. - -We use ctypes here because this solution must not require a compiler. That's -because pip is not allowed to require a compiler either. - -This is not intended to be a seriously long-term solution to this problem. -The hope is that PEP 543 will eventually solve this issue for us, at which -point we can retire this contrib module. But in the short term, we need to -solve the impending tire fire that is Python on Mac without this kind of -contrib module. So...here we are. - -To use this module, simply import and inject it:: - - import urllib3.contrib.securetransport - urllib3.contrib.securetransport.inject_into_urllib3() - -Happy TLSing! -""" -from __future__ import absolute_import - -import contextlib -import ctypes -import errno -import os.path -import shutil -import socket -import ssl -import threading -import weakref - -from .. import util -from ._securetransport.bindings import ( - Security, SecurityConst, CoreFoundation -) -from ._securetransport.low_level import ( - _assert_no_error, _cert_array_from_pem, _temporary_keychain, - _load_client_cert_chain -) - -try: # Platform-specific: Python 2 - from socket import _fileobject -except ImportError: # Platform-specific: Python 3 - _fileobject = None - from ..packages.backports.makefile import backport_makefile - -try: - memoryview(b'') -except NameError: - raise ImportError("SecureTransport only works on Pythons with memoryview") - -__all__ = ['inject_into_urllib3', 'extract_from_urllib3'] - -# SNI always works -HAS_SNI = True - -orig_util_HAS_SNI = util.HAS_SNI -orig_util_SSLContext = util.ssl_.SSLContext - -# This dictionary is used by the read callback to obtain a handle to the -# calling wrapped socket. This is a pretty silly approach, but for now it'll -# do. I feel like I should be able to smuggle a handle to the wrapped socket -# directly in the SSLConnectionRef, but for now this approach will work I -# guess. -# -# We need to lock around this structure for inserts, but we don't do it for -# reads/writes in the callbacks. The reasoning here goes as follows: -# -# 1. It is not possible to call into the callbacks before the dictionary is -# populated, so once in the callback the id must be in the dictionary. -# 2. The callbacks don't mutate the dictionary, they only read from it, and -# so cannot conflict with any of the insertions. -# -# This is good: if we had to lock in the callbacks we'd drastically slow down -# the performance of this code. -_connection_refs = weakref.WeakValueDictionary() -_connection_ref_lock = threading.Lock() - -# Limit writes to 16kB. This is OpenSSL's limit, but we'll cargo-cult it over -# for no better reason than we need *a* limit, and this one is right there. -SSL_WRITE_BLOCKSIZE = 16384 - -# This is our equivalent of util.ssl_.DEFAULT_CIPHERS, but expanded out to -# individual cipher suites. We need to do this becuase this is how -# SecureTransport wants them. -CIPHER_SUITES = [ - SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384, - SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, - SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256, - SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, - SecurityConst.TLS_DHE_DSS_WITH_AES_256_GCM_SHA384, - SecurityConst.TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, - SecurityConst.TLS_DHE_DSS_WITH_AES_128_GCM_SHA256, - SecurityConst.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256, - SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, - SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, - SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA, - SecurityConst.TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA, - SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA256, - SecurityConst.TLS_DHE_DSS_WITH_AES_256_CBC_SHA256, - SecurityConst.TLS_DHE_RSA_WITH_AES_256_CBC_SHA, - SecurityConst.TLS_DHE_DSS_WITH_AES_256_CBC_SHA, - SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256, - SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256, - SecurityConst.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA, - SecurityConst.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA, - SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256, - SecurityConst.TLS_DHE_DSS_WITH_AES_128_CBC_SHA256, - SecurityConst.TLS_DHE_RSA_WITH_AES_128_CBC_SHA, - SecurityConst.TLS_DHE_DSS_WITH_AES_128_CBC_SHA, - SecurityConst.TLS_RSA_WITH_AES_256_GCM_SHA384, - SecurityConst.TLS_RSA_WITH_AES_128_GCM_SHA256, - SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA256, - SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA256, - SecurityConst.TLS_RSA_WITH_AES_256_CBC_SHA, - SecurityConst.TLS_RSA_WITH_AES_128_CBC_SHA, -] - -# Basically this is simple: for PROTOCOL_SSLv23 we turn it into a low of -# TLSv1 and a high of TLSv1.2. For everything else, we pin to that version. -_protocol_to_min_max = { - ssl.PROTOCOL_SSLv23: (SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol12), -} - -if hasattr(ssl, "PROTOCOL_SSLv2"): - _protocol_to_min_max[ssl.PROTOCOL_SSLv2] = ( - SecurityConst.kSSLProtocol2, SecurityConst.kSSLProtocol2 - ) -if hasattr(ssl, "PROTOCOL_SSLv3"): - _protocol_to_min_max[ssl.PROTOCOL_SSLv3] = ( - SecurityConst.kSSLProtocol3, SecurityConst.kSSLProtocol3 - ) -if hasattr(ssl, "PROTOCOL_TLSv1"): - _protocol_to_min_max[ssl.PROTOCOL_TLSv1] = ( - SecurityConst.kTLSProtocol1, SecurityConst.kTLSProtocol1 - ) -if hasattr(ssl, "PROTOCOL_TLSv1_1"): - _protocol_to_min_max[ssl.PROTOCOL_TLSv1_1] = ( - SecurityConst.kTLSProtocol11, SecurityConst.kTLSProtocol11 - ) -if hasattr(ssl, "PROTOCOL_TLSv1_2"): - _protocol_to_min_max[ssl.PROTOCOL_TLSv1_2] = ( - SecurityConst.kTLSProtocol12, SecurityConst.kTLSProtocol12 - ) -if hasattr(ssl, "PROTOCOL_TLS"): - _protocol_to_min_max[ssl.PROTOCOL_TLS] = _protocol_to_min_max[ssl.PROTOCOL_SSLv23] - - -def inject_into_urllib3(): - """ - Monkey-patch urllib3 with SecureTransport-backed SSL-support. - """ - util.ssl_.SSLContext = SecureTransportContext - util.HAS_SNI = HAS_SNI - util.ssl_.HAS_SNI = HAS_SNI - util.IS_SECURETRANSPORT = True - util.ssl_.IS_SECURETRANSPORT = True - - -def extract_from_urllib3(): - """ - Undo monkey-patching by :func:`inject_into_urllib3`. - """ - util.ssl_.SSLContext = orig_util_SSLContext - util.HAS_SNI = orig_util_HAS_SNI - util.ssl_.HAS_SNI = orig_util_HAS_SNI - util.IS_SECURETRANSPORT = False - util.ssl_.IS_SECURETRANSPORT = False - - -def _read_callback(connection_id, data_buffer, data_length_pointer): - """ - SecureTransport read callback. This is called by ST to request that data - be returned from the socket. - """ - wrapped_socket = None - try: - wrapped_socket = _connection_refs.get(connection_id) - if wrapped_socket is None: - return SecurityConst.errSSLInternal - base_socket = wrapped_socket.socket - - requested_length = data_length_pointer[0] - - timeout = wrapped_socket.gettimeout() - error = None - read_count = 0 - buffer = (ctypes.c_char * requested_length).from_address(data_buffer) - buffer_view = memoryview(buffer) - - try: - while read_count < requested_length: - if timeout is None or timeout >= 0: - readables = util.wait_for_read([base_socket], timeout) - if not readables: - raise socket.error(errno.EAGAIN, 'timed out') - - # We need to tell ctypes that we have a buffer that can be - # written to. Upsettingly, we do that like this: - chunk_size = base_socket.recv_into( - buffer_view[read_count:requested_length] - ) - read_count += chunk_size - if not chunk_size: - if not read_count: - return SecurityConst.errSSLClosedGraceful - break - except (socket.error) as e: - error = e.errno - - if error is not None and error != errno.EAGAIN: - if error == errno.ECONNRESET: - return SecurityConst.errSSLClosedAbort - raise - - data_length_pointer[0] = read_count - - if read_count != requested_length: - return SecurityConst.errSSLWouldBlock - - return 0 - except Exception as e: - if wrapped_socket is not None: - wrapped_socket._exception = e - return SecurityConst.errSSLInternal - - -def _write_callback(connection_id, data_buffer, data_length_pointer): - """ - SecureTransport write callback. This is called by ST to request that data - actually be sent on the network. - """ - wrapped_socket = None - try: - wrapped_socket = _connection_refs.get(connection_id) - if wrapped_socket is None: - return SecurityConst.errSSLInternal - base_socket = wrapped_socket.socket - - bytes_to_write = data_length_pointer[0] - data = ctypes.string_at(data_buffer, bytes_to_write) - - timeout = wrapped_socket.gettimeout() - error = None - sent = 0 - - try: - while sent < bytes_to_write: - if timeout is None or timeout >= 0: - writables = util.wait_for_write([base_socket], timeout) - if not writables: - raise socket.error(errno.EAGAIN, 'timed out') - chunk_sent = base_socket.send(data) - sent += chunk_sent - - # This has some needless copying here, but I'm not sure there's - # much value in optimising this data path. - data = data[chunk_sent:] - except (socket.error) as e: - error = e.errno - - if error is not None and error != errno.EAGAIN: - if error == errno.ECONNRESET: - return SecurityConst.errSSLClosedAbort - raise - - data_length_pointer[0] = sent - if sent != bytes_to_write: - return SecurityConst.errSSLWouldBlock - - return 0 - except Exception as e: - if wrapped_socket is not None: - wrapped_socket._exception = e - return SecurityConst.errSSLInternal - - -# We need to keep these two objects references alive: if they get GC'd while -# in use then SecureTransport could attempt to call a function that is in freed -# memory. That would be...uh...bad. Yeah, that's the word. Bad. -_read_callback_pointer = Security.SSLReadFunc(_read_callback) -_write_callback_pointer = Security.SSLWriteFunc(_write_callback) - - -class WrappedSocket(object): - """ - API-compatibility wrapper for Python's OpenSSL wrapped socket object. - - Note: _makefile_refs, _drop(), and _reuse() are needed for the garbage - collector of PyPy. - """ - def __init__(self, socket): - self.socket = socket - self.context = None - self._makefile_refs = 0 - self._closed = False - self._exception = None - self._keychain = None - self._keychain_dir = None - self._client_cert_chain = None - - # We save off the previously-configured timeout and then set it to - # zero. This is done because we use select and friends to handle the - # timeouts, but if we leave the timeout set on the lower socket then - # Python will "kindly" call select on that socket again for us. Avoid - # that by forcing the timeout to zero. - self._timeout = self.socket.gettimeout() - self.socket.settimeout(0) - - @contextlib.contextmanager - def _raise_on_error(self): - """ - A context manager that can be used to wrap calls that do I/O from - SecureTransport. If any of the I/O callbacks hit an exception, this - context manager will correctly propagate the exception after the fact. - This avoids silently swallowing those exceptions. - - It also correctly forces the socket closed. - """ - self._exception = None - - # We explicitly don't catch around this yield because in the unlikely - # event that an exception was hit in the block we don't want to swallow - # it. - yield - if self._exception is not None: - exception, self._exception = self._exception, None - self.close() - raise exception - - def _set_ciphers(self): - """ - Sets up the allowed ciphers. By default this matches the set in - util.ssl_.DEFAULT_CIPHERS, at least as supported by macOS. This is done - custom and doesn't allow changing at this time, mostly because parsing - OpenSSL cipher strings is going to be a freaking nightmare. - """ - ciphers = (Security.SSLCipherSuite * len(CIPHER_SUITES))(*CIPHER_SUITES) - result = Security.SSLSetEnabledCiphers( - self.context, ciphers, len(CIPHER_SUITES) - ) - _assert_no_error(result) - - def _custom_validate(self, verify, trust_bundle): - """ - Called when we have set custom validation. We do this in two cases: - first, when cert validation is entirely disabled; and second, when - using a custom trust DB. - """ - # If we disabled cert validation, just say: cool. - if not verify: - return - - # We want data in memory, so load it up. - if os.path.isfile(trust_bundle): - with open(trust_bundle, 'rb') as f: - trust_bundle = f.read() - - cert_array = None - trust = Security.SecTrustRef() - - try: - # Get a CFArray that contains the certs we want. - cert_array = _cert_array_from_pem(trust_bundle) - - # Ok, now the hard part. We want to get the SecTrustRef that ST has - # created for this connection, shove our CAs into it, tell ST to - # ignore everything else it knows, and then ask if it can build a - # chain. This is a buuuunch of code. - result = Security.SSLCopyPeerTrust( - self.context, ctypes.byref(trust) - ) - _assert_no_error(result) - if not trust: - raise ssl.SSLError("Failed to copy trust reference") - - result = Security.SecTrustSetAnchorCertificates(trust, cert_array) - _assert_no_error(result) - - result = Security.SecTrustSetAnchorCertificatesOnly(trust, True) - _assert_no_error(result) - - trust_result = Security.SecTrustResultType() - result = Security.SecTrustEvaluate( - trust, ctypes.byref(trust_result) - ) - _assert_no_error(result) - finally: - if trust: - CoreFoundation.CFRelease(trust) - - if cert_array is None: - CoreFoundation.CFRelease(cert_array) - - # Ok, now we can look at what the result was. - successes = ( - SecurityConst.kSecTrustResultUnspecified, - SecurityConst.kSecTrustResultProceed - ) - if trust_result.value not in successes: - raise ssl.SSLError( - "certificate verify failed, error code: %d" % - trust_result.value - ) - - def handshake(self, - server_hostname, - verify, - trust_bundle, - min_version, - max_version, - client_cert, - client_key, - client_key_passphrase): - """ - Actually performs the TLS handshake. This is run automatically by - wrapped socket, and shouldn't be needed in user code. - """ - # First, we do the initial bits of connection setup. We need to create - # a context, set its I/O funcs, and set the connection reference. - self.context = Security.SSLCreateContext( - None, SecurityConst.kSSLClientSide, SecurityConst.kSSLStreamType - ) - result = Security.SSLSetIOFuncs( - self.context, _read_callback_pointer, _write_callback_pointer - ) - _assert_no_error(result) - - # Here we need to compute the handle to use. We do this by taking the - # id of self modulo 2**31 - 1. If this is already in the dictionary, we - # just keep incrementing by one until we find a free space. - with _connection_ref_lock: - handle = id(self) % 2147483647 - while handle in _connection_refs: - handle = (handle + 1) % 2147483647 - _connection_refs[handle] = self - - result = Security.SSLSetConnection(self.context, handle) - _assert_no_error(result) - - # If we have a server hostname, we should set that too. - if server_hostname: - if not isinstance(server_hostname, bytes): - server_hostname = server_hostname.encode('utf-8') - - result = Security.SSLSetPeerDomainName( - self.context, server_hostname, len(server_hostname) - ) - _assert_no_error(result) - - # Setup the ciphers. - self._set_ciphers() - - # Set the minimum and maximum TLS versions. - result = Security.SSLSetProtocolVersionMin(self.context, min_version) - _assert_no_error(result) - result = Security.SSLSetProtocolVersionMax(self.context, max_version) - _assert_no_error(result) - - # If there's a trust DB, we need to use it. We do that by telling - # SecureTransport to break on server auth. We also do that if we don't - # want to validate the certs at all: we just won't actually do any - # authing in that case. - if not verify or trust_bundle is not None: - result = Security.SSLSetSessionOption( - self.context, - SecurityConst.kSSLSessionOptionBreakOnServerAuth, - True - ) - _assert_no_error(result) - - # If there's a client cert, we need to use it. - if client_cert: - self._keychain, self._keychain_dir = _temporary_keychain() - self._client_cert_chain = _load_client_cert_chain( - self._keychain, client_cert, client_key - ) - result = Security.SSLSetCertificate( - self.context, self._client_cert_chain - ) - _assert_no_error(result) - - while True: - with self._raise_on_error(): - result = Security.SSLHandshake(self.context) - - if result == SecurityConst.errSSLWouldBlock: - raise socket.timeout("handshake timed out") - elif result == SecurityConst.errSSLServerAuthCompleted: - self._custom_validate(verify, trust_bundle) - continue - else: - _assert_no_error(result) - break - - def fileno(self): - return self.socket.fileno() - - # Copy-pasted from Python 3.5 source code - def _decref_socketios(self): - if self._makefile_refs > 0: - self._makefile_refs -= 1 - if self._closed: - self.close() - - def recv(self, bufsiz): - buffer = ctypes.create_string_buffer(bufsiz) - bytes_read = self.recv_into(buffer, bufsiz) - data = buffer[:bytes_read] - return data - - def recv_into(self, buffer, nbytes=None): - # Read short on EOF. - if self._closed: - return 0 - - if nbytes is None: - nbytes = len(buffer) - - buffer = (ctypes.c_char * nbytes).from_buffer(buffer) - processed_bytes = ctypes.c_size_t(0) - - with self._raise_on_error(): - result = Security.SSLRead( - self.context, buffer, nbytes, ctypes.byref(processed_bytes) - ) - - # There are some result codes that we want to treat as "not always - # errors". Specifically, those are errSSLWouldBlock, - # errSSLClosedGraceful, and errSSLClosedNoNotify. - if (result == SecurityConst.errSSLWouldBlock): - # If we didn't process any bytes, then this was just a time out. - # However, we can get errSSLWouldBlock in situations when we *did* - # read some data, and in those cases we should just read "short" - # and return. - if processed_bytes.value == 0: - # Timed out, no data read. - raise socket.timeout("recv timed out") - elif result in (SecurityConst.errSSLClosedGraceful, SecurityConst.errSSLClosedNoNotify): - # The remote peer has closed this connection. We should do so as - # well. Note that we don't actually return here because in - # principle this could actually be fired along with return data. - # It's unlikely though. - self.close() - else: - _assert_no_error(result) - - # Ok, we read and probably succeeded. We should return whatever data - # was actually read. - return processed_bytes.value - - def settimeout(self, timeout): - self._timeout = timeout - - def gettimeout(self): - return self._timeout - - def send(self, data): - processed_bytes = ctypes.c_size_t(0) - - with self._raise_on_error(): - result = Security.SSLWrite( - self.context, data, len(data), ctypes.byref(processed_bytes) - ) - - if result == SecurityConst.errSSLWouldBlock and processed_bytes.value == 0: - # Timed out - raise socket.timeout("send timed out") - else: - _assert_no_error(result) - - # We sent, and probably succeeded. Tell them how much we sent. - return processed_bytes.value - - def sendall(self, data): - total_sent = 0 - while total_sent < len(data): - sent = self.send(data[total_sent:total_sent + SSL_WRITE_BLOCKSIZE]) - total_sent += sent - - def shutdown(self): - with self._raise_on_error(): - Security.SSLClose(self.context) - - def close(self): - # TODO: should I do clean shutdown here? Do I have to? - if self._makefile_refs < 1: - self._closed = True - if self.context: - CoreFoundation.CFRelease(self.context) - self.context = None - if self._client_cert_chain: - CoreFoundation.CFRelease(self._client_cert_chain) - self._client_cert_chain = None - if self._keychain: - Security.SecKeychainDelete(self._keychain) - CoreFoundation.CFRelease(self._keychain) - shutil.rmtree(self._keychain_dir) - self._keychain = self._keychain_dir = None - return self.socket.close() - else: - self._makefile_refs -= 1 - - def getpeercert(self, binary_form=False): - # Urgh, annoying. - # - # Here's how we do this: - # - # 1. Call SSLCopyPeerTrust to get hold of the trust object for this - # connection. - # 2. Call SecTrustGetCertificateAtIndex for index 0 to get the leaf. - # 3. To get the CN, call SecCertificateCopyCommonName and process that - # string so that it's of the appropriate type. - # 4. To get the SAN, we need to do something a bit more complex: - # a. Call SecCertificateCopyValues to get the data, requesting - # kSecOIDSubjectAltName. - # b. Mess about with this dictionary to try to get the SANs out. - # - # This is gross. Really gross. It's going to be a few hundred LoC extra - # just to repeat something that SecureTransport can *already do*. So my - # operating assumption at this time is that what we want to do is - # instead to just flag to urllib3 that it shouldn't do its own hostname - # validation when using SecureTransport. - if not binary_form: - raise ValueError( - "SecureTransport only supports dumping binary certs" - ) - trust = Security.SecTrustRef() - certdata = None - der_bytes = None - - try: - # Grab the trust store. - result = Security.SSLCopyPeerTrust( - self.context, ctypes.byref(trust) - ) - _assert_no_error(result) - if not trust: - # Probably we haven't done the handshake yet. No biggie. - return None - - cert_count = Security.SecTrustGetCertificateCount(trust) - if not cert_count: - # Also a case that might happen if we haven't handshaked. - # Handshook? Handshaken? - return None - - leaf = Security.SecTrustGetCertificateAtIndex(trust, 0) - assert leaf - - # Ok, now we want the DER bytes. - certdata = Security.SecCertificateCopyData(leaf) - assert certdata - - data_length = CoreFoundation.CFDataGetLength(certdata) - data_buffer = CoreFoundation.CFDataGetBytePtr(certdata) - der_bytes = ctypes.string_at(data_buffer, data_length) - finally: - if certdata: - CoreFoundation.CFRelease(certdata) - if trust: - CoreFoundation.CFRelease(trust) - - return der_bytes - - def _reuse(self): - self._makefile_refs += 1 - - def _drop(self): - if self._makefile_refs < 1: - self.close() - else: - self._makefile_refs -= 1 - - -if _fileobject: # Platform-specific: Python 2 - def makefile(self, mode, bufsize=-1): - self._makefile_refs += 1 - return _fileobject(self, mode, bufsize, close=True) -else: # Platform-specific: Python 3 - def makefile(self, mode="r", buffering=None, *args, **kwargs): - # We disable buffering with SecureTransport because it conflicts with - # the buffering that ST does internally (see issue #1153 for more). - buffering = 0 - return backport_makefile(self, mode, buffering, *args, **kwargs) - -WrappedSocket.makefile = makefile - - -class SecureTransportContext(object): - """ - I am a wrapper class for the SecureTransport library, to translate the - interface of the standard library ``SSLContext`` object to calls into - SecureTransport. - """ - def __init__(self, protocol): - self._min_version, self._max_version = _protocol_to_min_max[protocol] - self._options = 0 - self._verify = False - self._trust_bundle = None - self._client_cert = None - self._client_key = None - self._client_key_passphrase = None - - @property - def check_hostname(self): - """ - SecureTransport cannot have its hostname checking disabled. For more, - see the comment on getpeercert() in this file. - """ - return True - - @check_hostname.setter - def check_hostname(self, value): - """ - SecureTransport cannot have its hostname checking disabled. For more, - see the comment on getpeercert() in this file. - """ - pass - - @property - def options(self): - # TODO: Well, crap. - # - # So this is the bit of the code that is the most likely to cause us - # trouble. Essentially we need to enumerate all of the SSL options that - # users might want to use and try to see if we can sensibly translate - # them, or whether we should just ignore them. - return self._options - - @options.setter - def options(self, value): - # TODO: Update in line with above. - self._options = value - - @property - def verify_mode(self): - return ssl.CERT_REQUIRED if self._verify else ssl.CERT_NONE - - @verify_mode.setter - def verify_mode(self, value): - self._verify = True if value == ssl.CERT_REQUIRED else False - - def set_default_verify_paths(self): - # So, this has to do something a bit weird. Specifically, what it does - # is nothing. - # - # This means that, if we had previously had load_verify_locations - # called, this does not undo that. We need to do that because it turns - # out that the rest of the urllib3 code will attempt to load the - # default verify paths if it hasn't been told about any paths, even if - # the context itself was sometime earlier. We resolve that by just - # ignoring it. - pass - - def load_default_certs(self): - return self.set_default_verify_paths() - - def set_ciphers(self, ciphers): - # For now, we just require the default cipher string. - if ciphers != util.ssl_.DEFAULT_CIPHERS: - raise ValueError( - "SecureTransport doesn't support custom cipher strings" - ) - - def load_verify_locations(self, cafile=None, capath=None, cadata=None): - # OK, we only really support cadata and cafile. - if capath is not None: - raise ValueError( - "SecureTransport does not support cert directories" - ) - - self._trust_bundle = cafile or cadata - - def load_cert_chain(self, certfile, keyfile=None, password=None): - self._client_cert = certfile - self._client_key = keyfile - self._client_cert_passphrase = password - - def wrap_socket(self, sock, server_side=False, - do_handshake_on_connect=True, suppress_ragged_eofs=True, - server_hostname=None): - # So, what do we do here? Firstly, we assert some properties. This is a - # stripped down shim, so there is some functionality we don't support. - # See PEP 543 for the real deal. - assert not server_side - assert do_handshake_on_connect - assert suppress_ragged_eofs - - # Ok, we're good to go. Now we want to create the wrapped socket object - # and store it in the appropriate place. - wrapped_socket = WrappedSocket(sock) - - # Now we can handshake - wrapped_socket.handshake( - server_hostname, self._verify, self._trust_bundle, - self._min_version, self._max_version, self._client_cert, - self._client_key, self._client_key_passphrase - ) - return wrapped_socket diff --git a/collectors/python.d.plugin/python_modules/urllib3/contrib/socks.py b/collectors/python.d.plugin/python_modules/urllib3/contrib/socks.py deleted file mode 100644 index 1cb79285b..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/contrib/socks.py +++ /dev/null @@ -1,189 +0,0 @@ -# -*- coding: utf-8 -*- -# SPDX-License-Identifier: MIT -""" -This module contains provisional support for SOCKS proxies from within -urllib3. This module supports SOCKS4 (specifically the SOCKS4A variant) and -SOCKS5. To enable its functionality, either install PySocks or install this -module with the ``socks`` extra. - -The SOCKS implementation supports the full range of urllib3 features. It also -supports the following SOCKS features: - -- SOCKS4 -- SOCKS4a -- SOCKS5 -- Usernames and passwords for the SOCKS proxy - -Known Limitations: - -- Currently PySocks does not support contacting remote websites via literal - IPv6 addresses. Any such connection attempt will fail. You must use a domain - name. -- Currently PySocks does not support IPv6 connections to the SOCKS proxy. Any - such connection attempt will fail. -""" -from __future__ import absolute_import - -try: - import socks -except ImportError: - import warnings - from ..exceptions import DependencyWarning - - warnings.warn(( - 'SOCKS support in urllib3 requires the installation of optional ' - 'dependencies: specifically, PySocks. For more information, see ' - 'https://urllib3.readthedocs.io/en/latest/contrib.html#socks-proxies' - ), - DependencyWarning - ) - raise - -from socket import error as SocketError, timeout as SocketTimeout - -from ..connection import ( - HTTPConnection, HTTPSConnection -) -from ..connectionpool import ( - HTTPConnectionPool, HTTPSConnectionPool -) -from ..exceptions import ConnectTimeoutError, NewConnectionError -from ..poolmanager import PoolManager -from ..util.url import parse_url - -try: - import ssl -except ImportError: - ssl = None - - -class SOCKSConnection(HTTPConnection): - """ - A plain-text HTTP connection that connects via a SOCKS proxy. - """ - def __init__(self, *args, **kwargs): - self._socks_options = kwargs.pop('_socks_options') - super(SOCKSConnection, self).__init__(*args, **kwargs) - - def _new_conn(self): - """ - Establish a new connection via the SOCKS proxy. - """ - extra_kw = {} - if self.source_address: - extra_kw['source_address'] = self.source_address - - if self.socket_options: - extra_kw['socket_options'] = self.socket_options - - try: - conn = socks.create_connection( - (self.host, self.port), - proxy_type=self._socks_options['socks_version'], - proxy_addr=self._socks_options['proxy_host'], - proxy_port=self._socks_options['proxy_port'], - proxy_username=self._socks_options['username'], - proxy_password=self._socks_options['password'], - proxy_rdns=self._socks_options['rdns'], - timeout=self.timeout, - **extra_kw - ) - - except SocketTimeout as e: - raise ConnectTimeoutError( - self, "Connection to %s timed out. (connect timeout=%s)" % - (self.host, self.timeout)) - - except socks.ProxyError as e: - # This is fragile as hell, but it seems to be the only way to raise - # useful errors here. - if e.socket_err: - error = e.socket_err - if isinstance(error, SocketTimeout): - raise ConnectTimeoutError( - self, - "Connection to %s timed out. (connect timeout=%s)" % - (self.host, self.timeout) - ) - else: - raise NewConnectionError( - self, - "Failed to establish a new connection: %s" % error - ) - else: - raise NewConnectionError( - self, - "Failed to establish a new connection: %s" % e - ) - - except SocketError as e: # Defensive: PySocks should catch all these. - raise NewConnectionError( - self, "Failed to establish a new connection: %s" % e) - - return conn - - -# We don't need to duplicate the Verified/Unverified distinction from -# urllib3/connection.py here because the HTTPSConnection will already have been -# correctly set to either the Verified or Unverified form by that module. This -# means the SOCKSHTTPSConnection will automatically be the correct type. -class SOCKSHTTPSConnection(SOCKSConnection, HTTPSConnection): - pass - - -class SOCKSHTTPConnectionPool(HTTPConnectionPool): - ConnectionCls = SOCKSConnection - - -class SOCKSHTTPSConnectionPool(HTTPSConnectionPool): - ConnectionCls = SOCKSHTTPSConnection - - -class SOCKSProxyManager(PoolManager): - """ - A version of the urllib3 ProxyManager that routes connections via the - defined SOCKS proxy. - """ - pool_classes_by_scheme = { - 'http': SOCKSHTTPConnectionPool, - 'https': SOCKSHTTPSConnectionPool, - } - - def __init__(self, proxy_url, username=None, password=None, - num_pools=10, headers=None, **connection_pool_kw): - parsed = parse_url(proxy_url) - - if parsed.scheme == 'socks5': - socks_version = socks.PROXY_TYPE_SOCKS5 - rdns = False - elif parsed.scheme == 'socks5h': - socks_version = socks.PROXY_TYPE_SOCKS5 - rdns = True - elif parsed.scheme == 'socks4': - socks_version = socks.PROXY_TYPE_SOCKS4 - rdns = False - elif parsed.scheme == 'socks4a': - socks_version = socks.PROXY_TYPE_SOCKS4 - rdns = True - else: - raise ValueError( - "Unable to determine SOCKS version from %s" % proxy_url - ) - - self.proxy_url = proxy_url - - socks_options = { - 'socks_version': socks_version, - 'proxy_host': parsed.host, - 'proxy_port': parsed.port, - 'username': username, - 'password': password, - 'rdns': rdns - } - connection_pool_kw['_socks_options'] = socks_options - - super(SOCKSProxyManager, self).__init__( - num_pools, headers, **connection_pool_kw - ) - - self.pool_classes_by_scheme = SOCKSProxyManager.pool_classes_by_scheme diff --git a/collectors/python.d.plugin/python_modules/urllib3/exceptions.py b/collectors/python.d.plugin/python_modules/urllib3/exceptions.py deleted file mode 100644 index a71cabe06..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/exceptions.py +++ /dev/null @@ -1,247 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -from .packages.six.moves.http_client import ( - IncompleteRead as httplib_IncompleteRead -) -# Base Exceptions - - -class HTTPError(Exception): - "Base exception used by this module." - pass - - -class HTTPWarning(Warning): - "Base warning used by this module." - pass - - -class PoolError(HTTPError): - "Base exception for errors caused within a pool." - def __init__(self, pool, message): - self.pool = pool - HTTPError.__init__(self, "%s: %s" % (pool, message)) - - def __reduce__(self): - # For pickling purposes. - return self.__class__, (None, None) - - -class RequestError(PoolError): - "Base exception for PoolErrors that have associated URLs." - def __init__(self, pool, url, message): - self.url = url - PoolError.__init__(self, pool, message) - - def __reduce__(self): - # For pickling purposes. - return self.__class__, (None, self.url, None) - - -class SSLError(HTTPError): - "Raised when SSL certificate fails in an HTTPS connection." - pass - - -class ProxyError(HTTPError): - "Raised when the connection to a proxy fails." - pass - - -class DecodeError(HTTPError): - "Raised when automatic decoding based on Content-Type fails." - pass - - -class ProtocolError(HTTPError): - "Raised when something unexpected happens mid-request/response." - pass - - -#: Renamed to ProtocolError but aliased for backwards compatibility. -ConnectionError = ProtocolError - - -# Leaf Exceptions - -class MaxRetryError(RequestError): - """Raised when the maximum number of retries is exceeded. - - :param pool: The connection pool - :type pool: :class:`~urllib3.connectionpool.HTTPConnectionPool` - :param string url: The requested Url - :param exceptions.Exception reason: The underlying error - - """ - - def __init__(self, pool, url, reason=None): - self.reason = reason - - message = "Max retries exceeded with url: %s (Caused by %r)" % ( - url, reason) - - RequestError.__init__(self, pool, url, message) - - -class HostChangedError(RequestError): - "Raised when an existing pool gets a request for a foreign host." - - def __init__(self, pool, url, retries=3): - message = "Tried to open a foreign host with url: %s" % url - RequestError.__init__(self, pool, url, message) - self.retries = retries - - -class TimeoutStateError(HTTPError): - """ Raised when passing an invalid state to a timeout """ - pass - - -class TimeoutError(HTTPError): - """ Raised when a socket timeout error occurs. - - Catching this error will catch both :exc:`ReadTimeoutErrors - <ReadTimeoutError>` and :exc:`ConnectTimeoutErrors <ConnectTimeoutError>`. - """ - pass - - -class ReadTimeoutError(TimeoutError, RequestError): - "Raised when a socket timeout occurs while receiving data from a server" - pass - - -# This timeout error does not have a URL attached and needs to inherit from the -# base HTTPError -class ConnectTimeoutError(TimeoutError): - "Raised when a socket timeout occurs while connecting to a server" - pass - - -class NewConnectionError(ConnectTimeoutError, PoolError): - "Raised when we fail to establish a new connection. Usually ECONNREFUSED." - pass - - -class EmptyPoolError(PoolError): - "Raised when a pool runs out of connections and no more are allowed." - pass - - -class ClosedPoolError(PoolError): - "Raised when a request enters a pool after the pool has been closed." - pass - - -class LocationValueError(ValueError, HTTPError): - "Raised when there is something wrong with a given URL input." - pass - - -class LocationParseError(LocationValueError): - "Raised when get_host or similar fails to parse the URL input." - - def __init__(self, location): - message = "Failed to parse: %s" % location - HTTPError.__init__(self, message) - - self.location = location - - -class ResponseError(HTTPError): - "Used as a container for an error reason supplied in a MaxRetryError." - GENERIC_ERROR = 'too many error responses' - SPECIFIC_ERROR = 'too many {status_code} error responses' - - -class SecurityWarning(HTTPWarning): - "Warned when perfoming security reducing actions" - pass - - -class SubjectAltNameWarning(SecurityWarning): - "Warned when connecting to a host with a certificate missing a SAN." - pass - - -class InsecureRequestWarning(SecurityWarning): - "Warned when making an unverified HTTPS request." - pass - - -class SystemTimeWarning(SecurityWarning): - "Warned when system time is suspected to be wrong" - pass - - -class InsecurePlatformWarning(SecurityWarning): - "Warned when certain SSL configuration is not available on a platform." - pass - - -class SNIMissingWarning(HTTPWarning): - "Warned when making a HTTPS request without SNI available." - pass - - -class DependencyWarning(HTTPWarning): - """ - Warned when an attempt is made to import a module with missing optional - dependencies. - """ - pass - - -class ResponseNotChunked(ProtocolError, ValueError): - "Response needs to be chunked in order to read it as chunks." - pass - - -class BodyNotHttplibCompatible(HTTPError): - """ - Body should be httplib.HTTPResponse like (have an fp attribute which - returns raw chunks) for read_chunked(). - """ - pass - - -class IncompleteRead(HTTPError, httplib_IncompleteRead): - """ - Response length doesn't match expected Content-Length - - Subclass of http_client.IncompleteRead to allow int value - for `partial` to avoid creating large objects on streamed - reads. - """ - def __init__(self, partial, expected): - super(IncompleteRead, self).__init__(partial, expected) - - def __repr__(self): - return ('IncompleteRead(%i bytes read, ' - '%i more expected)' % (self.partial, self.expected)) - - -class InvalidHeader(HTTPError): - "The header provided was somehow invalid." - pass - - -class ProxySchemeUnknown(AssertionError, ValueError): - "ProxyManager does not support the supplied scheme" - # TODO(t-8ch): Stop inheriting from AssertionError in v2.0. - - def __init__(self, scheme): - message = "Not supported proxy scheme %s" % scheme - super(ProxySchemeUnknown, self).__init__(message) - - -class HeaderParsingError(HTTPError): - "Raised by assert_header_parsing, but we convert it to a log.warning statement." - def __init__(self, defects, unparsed_data): - message = '%s, unparsed data: %r' % (defects or 'Unknown', unparsed_data) - super(HeaderParsingError, self).__init__(message) - - -class UnrewindableBodyError(HTTPError): - "urllib3 encountered an error when trying to rewind a body" - pass diff --git a/collectors/python.d.plugin/python_modules/urllib3/fields.py b/collectors/python.d.plugin/python_modules/urllib3/fields.py deleted file mode 100644 index de7577b74..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/fields.py +++ /dev/null @@ -1,179 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import email.utils -import mimetypes - -from .packages import six - - -def guess_content_type(filename, default='application/octet-stream'): - """ - Guess the "Content-Type" of a file. - - :param filename: - The filename to guess the "Content-Type" of using :mod:`mimetypes`. - :param default: - If no "Content-Type" can be guessed, default to `default`. - """ - if filename: - return mimetypes.guess_type(filename)[0] or default - return default - - -def format_header_param(name, value): - """ - Helper function to format and quote a single header parameter. - - Particularly useful for header parameters which might contain - non-ASCII values, like file names. This follows RFC 2231, as - suggested by RFC 2388 Section 4.4. - - :param name: - The name of the parameter, a string expected to be ASCII only. - :param value: - The value of the parameter, provided as a unicode string. - """ - if not any(ch in value for ch in '"\\\r\n'): - result = '%s="%s"' % (name, value) - try: - result.encode('ascii') - except (UnicodeEncodeError, UnicodeDecodeError): - pass - else: - return result - if not six.PY3 and isinstance(value, six.text_type): # Python 2: - value = value.encode('utf-8') - value = email.utils.encode_rfc2231(value, 'utf-8') - value = '%s*=%s' % (name, value) - return value - - -class RequestField(object): - """ - A data container for request body parameters. - - :param name: - The name of this request field. - :param data: - The data/value body. - :param filename: - An optional filename of the request field. - :param headers: - An optional dict-like object of headers to initially use for the field. - """ - def __init__(self, name, data, filename=None, headers=None): - self._name = name - self._filename = filename - self.data = data - self.headers = {} - if headers: - self.headers = dict(headers) - - @classmethod - def from_tuples(cls, fieldname, value): - """ - A :class:`~urllib3.fields.RequestField` factory from old-style tuple parameters. - - Supports constructing :class:`~urllib3.fields.RequestField` from - parameter of key/value strings AND key/filetuple. A filetuple is a - (filename, data, MIME type) tuple where the MIME type is optional. - For example:: - - 'foo': 'bar', - 'fakefile': ('foofile.txt', 'contents of foofile'), - 'realfile': ('barfile.txt', open('realfile').read()), - 'typedfile': ('bazfile.bin', open('bazfile').read(), 'image/jpeg'), - 'nonamefile': 'contents of nonamefile field', - - Field names and filenames must be unicode. - """ - if isinstance(value, tuple): - if len(value) == 3: - filename, data, content_type = value - else: - filename, data = value - content_type = guess_content_type(filename) - else: - filename = None - content_type = None - data = value - - request_param = cls(fieldname, data, filename=filename) - request_param.make_multipart(content_type=content_type) - - return request_param - - def _render_part(self, name, value): - """ - Overridable helper function to format a single header parameter. - - :param name: - The name of the parameter, a string expected to be ASCII only. - :param value: - The value of the parameter, provided as a unicode string. - """ - return format_header_param(name, value) - - def _render_parts(self, header_parts): - """ - Helper function to format and quote a single header. - - Useful for single headers that are composed of multiple items. E.g., - 'Content-Disposition' fields. - - :param header_parts: - A sequence of (k, v) typles or a :class:`dict` of (k, v) to format - as `k1="v1"; k2="v2"; ...`. - """ - parts = [] - iterable = header_parts - if isinstance(header_parts, dict): - iterable = header_parts.items() - - for name, value in iterable: - if value is not None: - parts.append(self._render_part(name, value)) - - return '; '.join(parts) - - def render_headers(self): - """ - Renders the headers for this request field. - """ - lines = [] - - sort_keys = ['Content-Disposition', 'Content-Type', 'Content-Location'] - for sort_key in sort_keys: - if self.headers.get(sort_key, False): - lines.append('%s: %s' % (sort_key, self.headers[sort_key])) - - for header_name, header_value in self.headers.items(): - if header_name not in sort_keys: - if header_value: - lines.append('%s: %s' % (header_name, header_value)) - - lines.append('\r\n') - return '\r\n'.join(lines) - - def make_multipart(self, content_disposition=None, content_type=None, - content_location=None): - """ - Makes this request field into a multipart request field. - - This method overrides "Content-Disposition", "Content-Type" and - "Content-Location" headers to the request parameter. - - :param content_type: - The 'Content-Type' of the request body. - :param content_location: - The 'Content-Location' of the request body. - - """ - self.headers['Content-Disposition'] = content_disposition or 'form-data' - self.headers['Content-Disposition'] += '; '.join([ - '', self._render_parts( - (('name', self._name), ('filename', self._filename)) - ) - ]) - self.headers['Content-Type'] = content_type - self.headers['Content-Location'] = content_location diff --git a/collectors/python.d.plugin/python_modules/urllib3/filepost.py b/collectors/python.d.plugin/python_modules/urllib3/filepost.py deleted file mode 100644 index 3febc9cfe..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/filepost.py +++ /dev/null @@ -1,95 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import codecs - -from uuid import uuid4 -from io import BytesIO - -from .packages import six -from .packages.six import b -from .fields import RequestField - -writer = codecs.lookup('utf-8')[3] - - -def choose_boundary(): - """ - Our embarrassingly-simple replacement for mimetools.choose_boundary. - """ - return uuid4().hex - - -def iter_field_objects(fields): - """ - Iterate over fields. - - Supports list of (k, v) tuples and dicts, and lists of - :class:`~urllib3.fields.RequestField`. - - """ - if isinstance(fields, dict): - i = six.iteritems(fields) - else: - i = iter(fields) - - for field in i: - if isinstance(field, RequestField): - yield field - else: - yield RequestField.from_tuples(*field) - - -def iter_fields(fields): - """ - .. deprecated:: 1.6 - - Iterate over fields. - - The addition of :class:`~urllib3.fields.RequestField` makes this function - obsolete. Instead, use :func:`iter_field_objects`, which returns - :class:`~urllib3.fields.RequestField` objects. - - Supports list of (k, v) tuples and dicts. - """ - if isinstance(fields, dict): - return ((k, v) for k, v in six.iteritems(fields)) - - return ((k, v) for k, v in fields) - - -def encode_multipart_formdata(fields, boundary=None): - """ - Encode a dictionary of ``fields`` using the multipart/form-data MIME format. - - :param fields: - Dictionary of fields or list of (key, :class:`~urllib3.fields.RequestField`). - - :param boundary: - If not specified, then a random boundary will be generated using - :func:`mimetools.choose_boundary`. - """ - body = BytesIO() - if boundary is None: - boundary = choose_boundary() - - for field in iter_field_objects(fields): - body.write(b('--%s\r\n' % (boundary))) - - writer(body).write(field.render_headers()) - data = field.data - - if isinstance(data, int): - data = str(data) # Backwards compatibility - - if isinstance(data, six.text_type): - writer(body).write(data) - else: - body.write(data) - - body.write(b'\r\n') - - body.write(b('--%s--\r\n' % (boundary))) - - content_type = str('multipart/form-data; boundary=%s' % boundary) - - return body.getvalue(), content_type diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/packages/__init__.py deleted file mode 100644 index 170e974c1..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/__init__.py +++ /dev/null @@ -1,5 +0,0 @@ -from __future__ import absolute_import - -from . import ssl_match_hostname - -__all__ = ('ssl_match_hostname', ) diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/backports/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/packages/backports/__init__.py deleted file mode 100644 index e69de29bb..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/backports/__init__.py +++ /dev/null diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/backports/makefile.py b/collectors/python.d.plugin/python_modules/urllib3/packages/backports/makefile.py deleted file mode 100644 index 8ab122f8b..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/backports/makefile.py +++ /dev/null @@ -1,54 +0,0 @@ -# -*- coding: utf-8 -*- -# SPDX-License-Identifier: MIT -""" -backports.makefile -~~~~~~~~~~~~~~~~~~ - -Backports the Python 3 ``socket.makefile`` method for use with anything that -wants to create a "fake" socket object. -""" -import io - -from socket import SocketIO - - -def backport_makefile(self, mode="r", buffering=None, encoding=None, - errors=None, newline=None): - """ - Backport of ``socket.makefile`` from Python 3.5. - """ - if not set(mode) <= set(["r", "w", "b"]): - raise ValueError( - "invalid mode %r (only r, w, b allowed)" % (mode,) - ) - writing = "w" in mode - reading = "r" in mode or not writing - assert reading or writing - binary = "b" in mode - rawmode = "" - if reading: - rawmode += "r" - if writing: - rawmode += "w" - raw = SocketIO(self, rawmode) - self._makefile_refs += 1 - if buffering is None: - buffering = -1 - if buffering < 0: - buffering = io.DEFAULT_BUFFER_SIZE - if buffering == 0: - if not binary: - raise ValueError("unbuffered streams must be binary") - return raw - if reading and writing: - buffer = io.BufferedRWPair(raw, raw, buffering) - elif reading: - buffer = io.BufferedReader(raw, buffering) - else: - assert writing - buffer = io.BufferedWriter(raw, buffering) - if binary: - return buffer - text = io.TextIOWrapper(buffer, encoding, errors, newline) - text.mode = mode - return text diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/ordered_dict.py b/collectors/python.d.plugin/python_modules/urllib3/packages/ordered_dict.py deleted file mode 100644 index 9f7c0e6b8..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/ordered_dict.py +++ /dev/null @@ -1,260 +0,0 @@ -# Backport of OrderedDict() class that runs on Python 2.4, 2.5, 2.6, 2.7 and pypy. -# Passes Python2.7's test suite and incorporates all the latest updates. -# Copyright 2009 Raymond Hettinger, released under the MIT License. -# http://code.activestate.com/recipes/576693/ -# SPDX-License-Identifier: MIT -try: - from thread import get_ident as _get_ident -except ImportError: - from dummy_thread import get_ident as _get_ident - -try: - from _abcoll import KeysView, ValuesView, ItemsView -except ImportError: - pass - - -class OrderedDict(dict): - 'Dictionary that remembers insertion order' - # An inherited dict maps keys to values. - # The inherited dict provides __getitem__, __len__, __contains__, and get. - # The remaining methods are order-aware. - # Big-O running times for all methods are the same as for regular dictionaries. - - # The internal self.__map dictionary maps keys to links in a doubly linked list. - # The circular doubly linked list starts and ends with a sentinel element. - # The sentinel element never gets deleted (this simplifies the algorithm). - # Each link is stored as a list of length three: [PREV, NEXT, KEY]. - - def __init__(self, *args, **kwds): - '''Initialize an ordered dictionary. Signature is the same as for - regular dictionaries, but keyword arguments are not recommended - because their insertion order is arbitrary. - - ''' - if len(args) > 1: - raise TypeError('expected at most 1 arguments, got %d' % len(args)) - try: - self.__root - except AttributeError: - self.__root = root = [] # sentinel node - root[:] = [root, root, None] - self.__map = {} - self.__update(*args, **kwds) - - def __setitem__(self, key, value, dict_setitem=dict.__setitem__): - 'od.__setitem__(i, y) <==> od[i]=y' - # Setting a new item creates a new link which goes at the end of the linked - # list, and the inherited dictionary is updated with the new key/value pair. - if key not in self: - root = self.__root - last = root[0] - last[1] = root[0] = self.__map[key] = [last, root, key] - dict_setitem(self, key, value) - - def __delitem__(self, key, dict_delitem=dict.__delitem__): - 'od.__delitem__(y) <==> del od[y]' - # Deleting an existing item uses self.__map to find the link which is - # then removed by updating the links in the predecessor and successor nodes. - dict_delitem(self, key) - link_prev, link_next, key = self.__map.pop(key) - link_prev[1] = link_next - link_next[0] = link_prev - - def __iter__(self): - 'od.__iter__() <==> iter(od)' - root = self.__root - curr = root[1] - while curr is not root: - yield curr[2] - curr = curr[1] - - def __reversed__(self): - 'od.__reversed__() <==> reversed(od)' - root = self.__root - curr = root[0] - while curr is not root: - yield curr[2] - curr = curr[0] - - def clear(self): - 'od.clear() -> None. Remove all items from od.' - try: - for node in self.__map.itervalues(): - del node[:] - root = self.__root - root[:] = [root, root, None] - self.__map.clear() - except AttributeError: - pass - dict.clear(self) - - def popitem(self, last=True): - '''od.popitem() -> (k, v), return and remove a (key, value) pair. - Pairs are returned in LIFO order if last is true or FIFO order if false. - - ''' - if not self: - raise KeyError('dictionary is empty') - root = self.__root - if last: - link = root[0] - link_prev = link[0] - link_prev[1] = root - root[0] = link_prev - else: - link = root[1] - link_next = link[1] - root[1] = link_next - link_next[0] = root - key = link[2] - del self.__map[key] - value = dict.pop(self, key) - return key, value - - # -- the following methods do not depend on the internal structure -- - - def keys(self): - 'od.keys() -> list of keys in od' - return list(self) - - def values(self): - 'od.values() -> list of values in od' - return [self[key] for key in self] - - def items(self): - 'od.items() -> list of (key, value) pairs in od' - return [(key, self[key]) for key in self] - - def iterkeys(self): - 'od.iterkeys() -> an iterator over the keys in od' - return iter(self) - - def itervalues(self): - 'od.itervalues -> an iterator over the values in od' - for k in self: - yield self[k] - - def iteritems(self): - 'od.iteritems -> an iterator over the (key, value) items in od' - for k in self: - yield (k, self[k]) - - def update(*args, **kwds): - '''od.update(E, **F) -> None. Update od from dict/iterable E and F. - - If E is a dict instance, does: for k in E: od[k] = E[k] - If E has a .keys() method, does: for k in E.keys(): od[k] = E[k] - Or if E is an iterable of items, does: for k, v in E: od[k] = v - In either case, this is followed by: for k, v in F.items(): od[k] = v - - ''' - if len(args) > 2: - raise TypeError('update() takes at most 2 positional ' - 'arguments (%d given)' % (len(args),)) - elif not args: - raise TypeError('update() takes at least 1 argument (0 given)') - self = args[0] - # Make progressively weaker assumptions about "other" - other = () - if len(args) == 2: - other = args[1] - if isinstance(other, dict): - for key in other: - self[key] = other[key] - elif hasattr(other, 'keys'): - for key in other.keys(): - self[key] = other[key] - else: - for key, value in other: - self[key] = value - for key, value in kwds.items(): - self[key] = value - - __update = update # let subclasses override update without breaking __init__ - - __marker = object() - - def pop(self, key, default=__marker): - '''od.pop(k[,d]) -> v, remove specified key and return the corresponding value. - If key is not found, d is returned if given, otherwise KeyError is raised. - - ''' - if key in self: - result = self[key] - del self[key] - return result - if default is self.__marker: - raise KeyError(key) - return default - - def setdefault(self, key, default=None): - 'od.setdefault(k[,d]) -> od.get(k,d), also set od[k]=d if k not in od' - if key in self: - return self[key] - self[key] = default - return default - - def __repr__(self, _repr_running={}): - 'od.__repr__() <==> repr(od)' - call_key = id(self), _get_ident() - if call_key in _repr_running: - return '...' - _repr_running[call_key] = 1 - try: - if not self: - return '%s()' % (self.__class__.__name__,) - return '%s(%r)' % (self.__class__.__name__, self.items()) - finally: - del _repr_running[call_key] - - def __reduce__(self): - 'Return state information for pickling' - items = [[k, self[k]] for k in self] - inst_dict = vars(self).copy() - for k in vars(OrderedDict()): - inst_dict.pop(k, None) - if inst_dict: - return (self.__class__, (items,), inst_dict) - return self.__class__, (items,) - - def copy(self): - 'od.copy() -> a shallow copy of od' - return self.__class__(self) - - @classmethod - def fromkeys(cls, iterable, value=None): - '''OD.fromkeys(S[, v]) -> New ordered dictionary with keys from S - and values equal to v (which defaults to None). - - ''' - d = cls() - for key in iterable: - d[key] = value - return d - - def __eq__(self, other): - '''od.__eq__(y) <==> od==y. Comparison to another OD is order-sensitive - while comparison to a regular mapping is order-insensitive. - - ''' - if isinstance(other, OrderedDict): - return len(self)==len(other) and self.items() == other.items() - return dict.__eq__(self, other) - - def __ne__(self, other): - return not self == other - - # -- the following methods are only used in Python 2.7 -- - - def viewkeys(self): - "od.viewkeys() -> a set-like object providing a view on od's keys" - return KeysView(self) - - def viewvalues(self): - "od.viewvalues() -> an object providing a view on od's values" - return ValuesView(self) - - def viewitems(self): - "od.viewitems() -> a set-like object providing a view on od's items" - return ItemsView(self) diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/six.py b/collectors/python.d.plugin/python_modules/urllib3/packages/six.py deleted file mode 100644 index 31df5012b..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/six.py +++ /dev/null @@ -1,852 +0,0 @@ -"""Utilities for writing code that runs on Python 2 and 3""" - -# Copyright (c) 2010-2015 Benjamin Peterson -# -# SPDX-License-Identifier: MIT - -from __future__ import absolute_import - -import functools -import itertools -import operator -import sys -import types - -__author__ = "Benjamin Peterson <benjamin@python.org>" -__version__ = "1.10.0" - - -# Useful for very coarse version differentiation. -PY2 = sys.version_info[0] == 2 -PY3 = sys.version_info[0] == 3 -PY34 = sys.version_info[0:2] >= (3, 4) - -if PY3: - string_types = str, - integer_types = int, - class_types = type, - text_type = str - binary_type = bytes - - MAXSIZE = sys.maxsize -else: - string_types = basestring, - integer_types = (int, long) - class_types = (type, types.ClassType) - text_type = unicode - binary_type = str - - if sys.platform.startswith("java"): - # Jython always uses 32 bits. - MAXSIZE = int((1 << 31) - 1) - else: - # It's possible to have sizeof(long) != sizeof(Py_ssize_t). - class X(object): - - def __len__(self): - return 1 << 31 - try: - len(X()) - except OverflowError: - # 32-bit - MAXSIZE = int((1 << 31) - 1) - else: - # 64-bit - MAXSIZE = int((1 << 63) - 1) - del X - - -def _add_doc(func, doc): - """Add documentation to a function.""" - func.__doc__ = doc - - -def _import_module(name): - """Import module, returning the module after the last dot.""" - __import__(name) - return sys.modules[name] - - -class _LazyDescr(object): - - def __init__(self, name): - self.name = name - - def __get__(self, obj, tp): - result = self._resolve() - setattr(obj, self.name, result) # Invokes __set__. - try: - # This is a bit ugly, but it avoids running this again by - # removing this descriptor. - delattr(obj.__class__, self.name) - except AttributeError: - pass - return result - - -class MovedModule(_LazyDescr): - - def __init__(self, name, old, new=None): - super(MovedModule, self).__init__(name) - if PY3: - if new is None: - new = name - self.mod = new - else: - self.mod = old - - def _resolve(self): - return _import_module(self.mod) - - def __getattr__(self, attr): - _module = self._resolve() - value = getattr(_module, attr) - setattr(self, attr, value) - return value - - -class _LazyModule(types.ModuleType): - - def __init__(self, name): - super(_LazyModule, self).__init__(name) - self.__doc__ = self.__class__.__doc__ - - def __dir__(self): - attrs = ["__doc__", "__name__"] - attrs += [attr.name for attr in self._moved_attributes] - return attrs - - # Subclasses should override this - _moved_attributes = [] - - -class MovedAttribute(_LazyDescr): - - def __init__(self, name, old_mod, new_mod, old_attr=None, new_attr=None): - super(MovedAttribute, self).__init__(name) - if PY3: - if new_mod is None: - new_mod = name - self.mod = new_mod - if new_attr is None: - if old_attr is None: - new_attr = name - else: - new_attr = old_attr - self.attr = new_attr - else: - self.mod = old_mod - if old_attr is None: - old_attr = name - self.attr = old_attr - - def _resolve(self): - module = _import_module(self.mod) - return getattr(module, self.attr) - - -class _SixMetaPathImporter(object): - - """ - A meta path importer to import six.moves and its submodules. - - This class implements a PEP302 finder and loader. It should be compatible - with Python 2.5 and all existing versions of Python3 - """ - - def __init__(self, six_module_name): - self.name = six_module_name - self.known_modules = {} - - def _add_module(self, mod, *fullnames): - for fullname in fullnames: - self.known_modules[self.name + "." + fullname] = mod - - def _get_module(self, fullname): - return self.known_modules[self.name + "." + fullname] - - def find_module(self, fullname, path=None): - if fullname in self.known_modules: - return self - return None - - def __get_module(self, fullname): - try: - return self.known_modules[fullname] - except KeyError: - raise ImportError("This loader does not know module " + fullname) - - def load_module(self, fullname): - try: - # in case of a reload - return sys.modules[fullname] - except KeyError: - pass - mod = self.__get_module(fullname) - if isinstance(mod, MovedModule): - mod = mod._resolve() - else: - mod.__loader__ = self - sys.modules[fullname] = mod - return mod - - def is_package(self, fullname): - """ - Return true, if the named module is a package. - - We need this method to get correct spec objects with - Python 3.4 (see PEP451) - """ - return hasattr(self.__get_module(fullname), "__path__") - - def get_code(self, fullname): - """Return None - - Required, if is_package is implemented""" - self.__get_module(fullname) # eventually raises ImportError - return None - get_source = get_code # same as get_code - -_importer = _SixMetaPathImporter(__name__) - - -class _MovedItems(_LazyModule): - - """Lazy loading of moved objects""" - __path__ = [] # mark as package - - -_moved_attributes = [ - MovedAttribute("cStringIO", "cStringIO", "io", "StringIO"), - MovedAttribute("filter", "itertools", "builtins", "ifilter", "filter"), - MovedAttribute("filterfalse", "itertools", "itertools", "ifilterfalse", "filterfalse"), - MovedAttribute("input", "__builtin__", "builtins", "raw_input", "input"), - MovedAttribute("intern", "__builtin__", "sys"), - MovedAttribute("map", "itertools", "builtins", "imap", "map"), - MovedAttribute("getcwd", "os", "os", "getcwdu", "getcwd"), - MovedAttribute("getcwdb", "os", "os", "getcwd", "getcwdb"), - MovedAttribute("range", "__builtin__", "builtins", "xrange", "range"), - MovedAttribute("reload_module", "__builtin__", "importlib" if PY34 else "imp", "reload"), - MovedAttribute("reduce", "__builtin__", "functools"), - MovedAttribute("shlex_quote", "pipes", "shlex", "quote"), - MovedAttribute("StringIO", "StringIO", "io"), - MovedAttribute("UserDict", "UserDict", "collections"), - MovedAttribute("UserList", "UserList", "collections"), - MovedAttribute("UserString", "UserString", "collections"), - MovedAttribute("xrange", "__builtin__", "builtins", "xrange", "range"), - MovedAttribute("zip", "itertools", "builtins", "izip", "zip"), - MovedAttribute("zip_longest", "itertools", "itertools", "izip_longest", "zip_longest"), - MovedModule("builtins", "__builtin__"), - MovedModule("configparser", "ConfigParser"), - MovedModule("copyreg", "copy_reg"), - MovedModule("dbm_gnu", "gdbm", "dbm.gnu"), - MovedModule("_dummy_thread", "dummy_thread", "_dummy_thread"), - MovedModule("http_cookiejar", "cookielib", "http.cookiejar"), - MovedModule("http_cookies", "Cookie", "http.cookies"), - MovedModule("html_entities", "htmlentitydefs", "html.entities"), - MovedModule("html_parser", "HTMLParser", "html.parser"), - MovedModule("http_client", "httplib", "http.client"), - MovedModule("email_mime_multipart", "email.MIMEMultipart", "email.mime.multipart"), - MovedModule("email_mime_nonmultipart", "email.MIMENonMultipart", "email.mime.nonmultipart"), - MovedModule("email_mime_text", "email.MIMEText", "email.mime.text"), - MovedModule("email_mime_base", "email.MIMEBase", "email.mime.base"), - MovedModule("BaseHTTPServer", "BaseHTTPServer", "http.server"), - MovedModule("CGIHTTPServer", "CGIHTTPServer", "http.server"), - MovedModule("SimpleHTTPServer", "SimpleHTTPServer", "http.server"), - MovedModule("cPickle", "cPickle", "pickle"), - MovedModule("queue", "Queue"), - MovedModule("reprlib", "repr"), - MovedModule("socketserver", "SocketServer"), - MovedModule("_thread", "thread", "_thread"), - MovedModule("tkinter", "Tkinter"), - MovedModule("tkinter_dialog", "Dialog", "tkinter.dialog"), - MovedModule("tkinter_filedialog", "FileDialog", "tkinter.filedialog"), - MovedModule("tkinter_scrolledtext", "ScrolledText", "tkinter.scrolledtext"), - MovedModule("tkinter_simpledialog", "SimpleDialog", "tkinter.simpledialog"), - MovedModule("tkinter_tix", "Tix", "tkinter.tix"), - MovedModule("tkinter_ttk", "ttk", "tkinter.ttk"), - MovedModule("tkinter_constants", "Tkconstants", "tkinter.constants"), - MovedModule("tkinter_dnd", "Tkdnd", "tkinter.dnd"), - MovedModule("tkinter_colorchooser", "tkColorChooser", - "tkinter.colorchooser"), - MovedModule("tkinter_commondialog", "tkCommonDialog", - "tkinter.commondialog"), - MovedModule("tkinter_tkfiledialog", "tkFileDialog", "tkinter.filedialog"), - MovedModule("tkinter_font", "tkFont", "tkinter.font"), - MovedModule("tkinter_messagebox", "tkMessageBox", "tkinter.messagebox"), - MovedModule("tkinter_tksimpledialog", "tkSimpleDialog", - "tkinter.simpledialog"), - MovedModule("urllib_parse", __name__ + ".moves.urllib_parse", "urllib.parse"), - MovedModule("urllib_error", __name__ + ".moves.urllib_error", "urllib.error"), - MovedModule("urllib", __name__ + ".moves.urllib", __name__ + ".moves.urllib"), - MovedModule("urllib_robotparser", "robotparser", "urllib.robotparser"), - MovedModule("xmlrpc_client", "xmlrpclib", "xmlrpc.client"), - MovedModule("xmlrpc_server", "SimpleXMLRPCServer", "xmlrpc.server"), -] -# Add windows specific modules. -if sys.platform == "win32": - _moved_attributes += [ - MovedModule("winreg", "_winreg"), - ] - -for attr in _moved_attributes: - setattr(_MovedItems, attr.name, attr) - if isinstance(attr, MovedModule): - _importer._add_module(attr, "moves." + attr.name) -del attr - -_MovedItems._moved_attributes = _moved_attributes - -moves = _MovedItems(__name__ + ".moves") -_importer._add_module(moves, "moves") - - -class Module_six_moves_urllib_parse(_LazyModule): - - """Lazy loading of moved objects in six.moves.urllib_parse""" - - -_urllib_parse_moved_attributes = [ - MovedAttribute("ParseResult", "urlparse", "urllib.parse"), - MovedAttribute("SplitResult", "urlparse", "urllib.parse"), - MovedAttribute("parse_qs", "urlparse", "urllib.parse"), - MovedAttribute("parse_qsl", "urlparse", "urllib.parse"), - MovedAttribute("urldefrag", "urlparse", "urllib.parse"), - MovedAttribute("urljoin", "urlparse", "urllib.parse"), - MovedAttribute("urlparse", "urlparse", "urllib.parse"), - MovedAttribute("urlsplit", "urlparse", "urllib.parse"), - MovedAttribute("urlunparse", "urlparse", "urllib.parse"), - MovedAttribute("urlunsplit", "urlparse", "urllib.parse"), - MovedAttribute("quote", "urllib", "urllib.parse"), - MovedAttribute("quote_plus", "urllib", "urllib.parse"), - MovedAttribute("unquote", "urllib", "urllib.parse"), - MovedAttribute("unquote_plus", "urllib", "urllib.parse"), - MovedAttribute("urlencode", "urllib", "urllib.parse"), - MovedAttribute("splitquery", "urllib", "urllib.parse"), - MovedAttribute("splittag", "urllib", "urllib.parse"), - MovedAttribute("splituser", "urllib", "urllib.parse"), - MovedAttribute("uses_fragment", "urlparse", "urllib.parse"), - MovedAttribute("uses_netloc", "urlparse", "urllib.parse"), - MovedAttribute("uses_params", "urlparse", "urllib.parse"), - MovedAttribute("uses_query", "urlparse", "urllib.parse"), - MovedAttribute("uses_relative", "urlparse", "urllib.parse"), -] -for attr in _urllib_parse_moved_attributes: - setattr(Module_six_moves_urllib_parse, attr.name, attr) -del attr - -Module_six_moves_urllib_parse._moved_attributes = _urllib_parse_moved_attributes - -_importer._add_module(Module_six_moves_urllib_parse(__name__ + ".moves.urllib_parse"), - "moves.urllib_parse", "moves.urllib.parse") - - -class Module_six_moves_urllib_error(_LazyModule): - - """Lazy loading of moved objects in six.moves.urllib_error""" - - -_urllib_error_moved_attributes = [ - MovedAttribute("URLError", "urllib2", "urllib.error"), - MovedAttribute("HTTPError", "urllib2", "urllib.error"), - MovedAttribute("ContentTooShortError", "urllib", "urllib.error"), -] -for attr in _urllib_error_moved_attributes: - setattr(Module_six_moves_urllib_error, attr.name, attr) -del attr - -Module_six_moves_urllib_error._moved_attributes = _urllib_error_moved_attributes - -_importer._add_module(Module_six_moves_urllib_error(__name__ + ".moves.urllib.error"), - "moves.urllib_error", "moves.urllib.error") - - -class Module_six_moves_urllib_request(_LazyModule): - - """Lazy loading of moved objects in six.moves.urllib_request""" - - -_urllib_request_moved_attributes = [ - MovedAttribute("urlopen", "urllib2", "urllib.request"), - MovedAttribute("install_opener", "urllib2", "urllib.request"), - MovedAttribute("build_opener", "urllib2", "urllib.request"), - MovedAttribute("pathname2url", "urllib", "urllib.request"), - MovedAttribute("url2pathname", "urllib", "urllib.request"), - MovedAttribute("getproxies", "urllib", "urllib.request"), - MovedAttribute("Request", "urllib2", "urllib.request"), - MovedAttribute("OpenerDirector", "urllib2", "urllib.request"), - MovedAttribute("HTTPDefaultErrorHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPRedirectHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPCookieProcessor", "urllib2", "urllib.request"), - MovedAttribute("ProxyHandler", "urllib2", "urllib.request"), - MovedAttribute("BaseHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPPasswordMgr", "urllib2", "urllib.request"), - MovedAttribute("HTTPPasswordMgrWithDefaultRealm", "urllib2", "urllib.request"), - MovedAttribute("AbstractBasicAuthHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPBasicAuthHandler", "urllib2", "urllib.request"), - MovedAttribute("ProxyBasicAuthHandler", "urllib2", "urllib.request"), - MovedAttribute("AbstractDigestAuthHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPDigestAuthHandler", "urllib2", "urllib.request"), - MovedAttribute("ProxyDigestAuthHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPSHandler", "urllib2", "urllib.request"), - MovedAttribute("FileHandler", "urllib2", "urllib.request"), - MovedAttribute("FTPHandler", "urllib2", "urllib.request"), - MovedAttribute("CacheFTPHandler", "urllib2", "urllib.request"), - MovedAttribute("UnknownHandler", "urllib2", "urllib.request"), - MovedAttribute("HTTPErrorProcessor", "urllib2", "urllib.request"), - MovedAttribute("urlretrieve", "urllib", "urllib.request"), - MovedAttribute("urlcleanup", "urllib", "urllib.request"), - MovedAttribute("URLopener", "urllib", "urllib.request"), - MovedAttribute("FancyURLopener", "urllib", "urllib.request"), - MovedAttribute("proxy_bypass", "urllib", "urllib.request"), -] -for attr in _urllib_request_moved_attributes: - setattr(Module_six_moves_urllib_request, attr.name, attr) -del attr - -Module_six_moves_urllib_request._moved_attributes = _urllib_request_moved_attributes - -_importer._add_module(Module_six_moves_urllib_request(__name__ + ".moves.urllib.request"), - "moves.urllib_request", "moves.urllib.request") - - -class Module_six_moves_urllib_response(_LazyModule): - - """Lazy loading of moved objects in six.moves.urllib_response""" - - -_urllib_response_moved_attributes = [ - MovedAttribute("addbase", "urllib", "urllib.response"), - MovedAttribute("addclosehook", "urllib", "urllib.response"), - MovedAttribute("addinfo", "urllib", "urllib.response"), - MovedAttribute("addinfourl", "urllib", "urllib.response"), -] -for attr in _urllib_response_moved_attributes: - setattr(Module_six_moves_urllib_response, attr.name, attr) -del attr - -Module_six_moves_urllib_response._moved_attributes = _urllib_response_moved_attributes - -_importer._add_module(Module_six_moves_urllib_response(__name__ + ".moves.urllib.response"), - "moves.urllib_response", "moves.urllib.response") - - -class Module_six_moves_urllib_robotparser(_LazyModule): - - """Lazy loading of moved objects in six.moves.urllib_robotparser""" - - -_urllib_robotparser_moved_attributes = [ - MovedAttribute("RobotFileParser", "robotparser", "urllib.robotparser"), -] -for attr in _urllib_robotparser_moved_attributes: - setattr(Module_six_moves_urllib_robotparser, attr.name, attr) -del attr - -Module_six_moves_urllib_robotparser._moved_attributes = _urllib_robotparser_moved_attributes - -_importer._add_module(Module_six_moves_urllib_robotparser(__name__ + ".moves.urllib.robotparser"), - "moves.urllib_robotparser", "moves.urllib.robotparser") - - -class Module_six_moves_urllib(types.ModuleType): - - """Create a six.moves.urllib namespace that resembles the Python 3 namespace""" - __path__ = [] # mark as package - parse = _importer._get_module("moves.urllib_parse") - error = _importer._get_module("moves.urllib_error") - request = _importer._get_module("moves.urllib_request") - response = _importer._get_module("moves.urllib_response") - robotparser = _importer._get_module("moves.urllib_robotparser") - - def __dir__(self): - return ['parse', 'error', 'request', 'response', 'robotparser'] - -_importer._add_module(Module_six_moves_urllib(__name__ + ".moves.urllib"), - "moves.urllib") - - -def add_move(move): - """Add an item to six.moves.""" - setattr(_MovedItems, move.name, move) - - -def remove_move(name): - """Remove item from six.moves.""" - try: - delattr(_MovedItems, name) - except AttributeError: - try: - del moves.__dict__[name] - except KeyError: - raise AttributeError("no such move, %r" % (name,)) - - -if PY3: - _meth_func = "__func__" - _meth_self = "__self__" - - _func_closure = "__closure__" - _func_code = "__code__" - _func_defaults = "__defaults__" - _func_globals = "__globals__" -else: - _meth_func = "im_func" - _meth_self = "im_self" - - _func_closure = "func_closure" - _func_code = "func_code" - _func_defaults = "func_defaults" - _func_globals = "func_globals" - - -try: - advance_iterator = next -except NameError: - def advance_iterator(it): - return it.next() -next = advance_iterator - - -try: - callable = callable -except NameError: - def callable(obj): - return any("__call__" in klass.__dict__ for klass in type(obj).__mro__) - - -if PY3: - def get_unbound_function(unbound): - return unbound - - create_bound_method = types.MethodType - - def create_unbound_method(func, cls): - return func - - Iterator = object -else: - def get_unbound_function(unbound): - return unbound.im_func - - def create_bound_method(func, obj): - return types.MethodType(func, obj, obj.__class__) - - def create_unbound_method(func, cls): - return types.MethodType(func, None, cls) - - class Iterator(object): - - def next(self): - return type(self).__next__(self) - - callable = callable -_add_doc(get_unbound_function, - """Get the function out of a possibly unbound function""") - - -get_method_function = operator.attrgetter(_meth_func) -get_method_self = operator.attrgetter(_meth_self) -get_function_closure = operator.attrgetter(_func_closure) -get_function_code = operator.attrgetter(_func_code) -get_function_defaults = operator.attrgetter(_func_defaults) -get_function_globals = operator.attrgetter(_func_globals) - - -if PY3: - def iterkeys(d, **kw): - return iter(d.keys(**kw)) - - def itervalues(d, **kw): - return iter(d.values(**kw)) - - def iteritems(d, **kw): - return iter(d.items(**kw)) - - def iterlists(d, **kw): - return iter(d.lists(**kw)) - - viewkeys = operator.methodcaller("keys") - - viewvalues = operator.methodcaller("values") - - viewitems = operator.methodcaller("items") -else: - def iterkeys(d, **kw): - return d.iterkeys(**kw) - - def itervalues(d, **kw): - return d.itervalues(**kw) - - def iteritems(d, **kw): - return d.iteritems(**kw) - - def iterlists(d, **kw): - return d.iterlists(**kw) - - viewkeys = operator.methodcaller("viewkeys") - - viewvalues = operator.methodcaller("viewvalues") - - viewitems = operator.methodcaller("viewitems") - -_add_doc(iterkeys, "Return an iterator over the keys of a dictionary.") -_add_doc(itervalues, "Return an iterator over the values of a dictionary.") -_add_doc(iteritems, - "Return an iterator over the (key, value) pairs of a dictionary.") -_add_doc(iterlists, - "Return an iterator over the (key, [values]) pairs of a dictionary.") - - -if PY3: - def b(s): - return s.encode("latin-1") - - def u(s): - return s - unichr = chr - import struct - int2byte = struct.Struct(">B").pack - del struct - byte2int = operator.itemgetter(0) - indexbytes = operator.getitem - iterbytes = iter - import io - StringIO = io.StringIO - BytesIO = io.BytesIO - _assertCountEqual = "assertCountEqual" - if sys.version_info[1] <= 1: - _assertRaisesRegex = "assertRaisesRegexp" - _assertRegex = "assertRegexpMatches" - else: - _assertRaisesRegex = "assertRaisesRegex" - _assertRegex = "assertRegex" -else: - def b(s): - return s - # Workaround for standalone backslash - - def u(s): - return unicode(s.replace(r'\\', r'\\\\'), "unicode_escape") - unichr = unichr - int2byte = chr - - def byte2int(bs): - return ord(bs[0]) - - def indexbytes(buf, i): - return ord(buf[i]) - iterbytes = functools.partial(itertools.imap, ord) - import StringIO - StringIO = BytesIO = StringIO.StringIO - _assertCountEqual = "assertItemsEqual" - _assertRaisesRegex = "assertRaisesRegexp" - _assertRegex = "assertRegexpMatches" -_add_doc(b, """Byte literal""") -_add_doc(u, """Text literal""") - - -def assertCountEqual(self, *args, **kwargs): - return getattr(self, _assertCountEqual)(*args, **kwargs) - - -def assertRaisesRegex(self, *args, **kwargs): - return getattr(self, _assertRaisesRegex)(*args, **kwargs) - - -def assertRegex(self, *args, **kwargs): - return getattr(self, _assertRegex)(*args, **kwargs) - - -if PY3: - exec_ = getattr(moves.builtins, "exec") - - def reraise(tp, value, tb=None): - if value is None: - value = tp() - if value.__traceback__ is not tb: - raise value.with_traceback(tb) - raise value - -else: - def exec_(_code_, _globs_=None, _locs_=None): - """Execute code in a namespace.""" - if _globs_ is None: - frame = sys._getframe(1) - _globs_ = frame.f_globals - if _locs_ is None: - _locs_ = frame.f_locals - del frame - elif _locs_ is None: - _locs_ = _globs_ - exec("""exec _code_ in _globs_, _locs_""") - - exec_("""def reraise(tp, value, tb=None): - raise tp, value, tb -""") - - -if sys.version_info[:2] == (3, 2): - exec_("""def raise_from(value, from_value): - if from_value is None: - raise value - raise value from from_value -""") -elif sys.version_info[:2] > (3, 2): - exec_("""def raise_from(value, from_value): - raise value from from_value -""") -else: - def raise_from(value, from_value): - raise value - - -print_ = getattr(moves.builtins, "print", None) -if print_ is None: - def print_(*args, **kwargs): - """The new-style print function for Python 2.4 and 2.5.""" - fp = kwargs.pop("file", sys.stdout) - if fp is None: - return - - def write(data): - if not isinstance(data, basestring): - data = str(data) - # If the file has an encoding, encode unicode with it. - if (isinstance(fp, file) and - isinstance(data, unicode) and - fp.encoding is not None): - errors = getattr(fp, "errors", None) - if errors is None: - errors = "strict" - data = data.encode(fp.encoding, errors) - fp.write(data) - want_unicode = False - sep = kwargs.pop("sep", None) - if sep is not None: - if isinstance(sep, unicode): - want_unicode = True - elif not isinstance(sep, str): - raise TypeError("sep must be None or a string") - end = kwargs.pop("end", None) - if end is not None: - if isinstance(end, unicode): - want_unicode = True - elif not isinstance(end, str): - raise TypeError("end must be None or a string") - if kwargs: - raise TypeError("invalid keyword arguments to print()") - if not want_unicode: - for arg in args: - if isinstance(arg, unicode): - want_unicode = True - break - if want_unicode: - newline = unicode("\n") - space = unicode(" ") - else: - newline = "\n" - space = " " - if sep is None: - sep = space - if end is None: - end = newline - for i, arg in enumerate(args): - if i: - write(sep) - write(arg) - write(end) -if sys.version_info[:2] < (3, 3): - _print = print_ - - def print_(*args, **kwargs): - fp = kwargs.get("file", sys.stdout) - flush = kwargs.pop("flush", False) - _print(*args, **kwargs) - if flush and fp is not None: - fp.flush() - -_add_doc(reraise, """Reraise an exception.""") - -if sys.version_info[0:2] < (3, 4): - def wraps(wrapped, assigned=functools.WRAPPER_ASSIGNMENTS, - updated=functools.WRAPPER_UPDATES): - def wrapper(f): - f = functools.wraps(wrapped, assigned, updated)(f) - f.__wrapped__ = wrapped - return f - return wrapper -else: - wraps = functools.wraps - - -def with_metaclass(meta, *bases): - """Create a base class with a metaclass.""" - # This requires a bit of explanation: the basic idea is to make a dummy - # metaclass for one level of class instantiation that replaces itself with - # the actual metaclass. - class metaclass(meta): - - def __new__(cls, name, this_bases, d): - return meta(name, bases, d) - return type.__new__(metaclass, 'temporary_class', (), {}) - - -def add_metaclass(metaclass): - """Class decorator for creating a class with a metaclass.""" - def wrapper(cls): - orig_vars = cls.__dict__.copy() - slots = orig_vars.get('__slots__') - if slots is not None: - if isinstance(slots, str): - slots = [slots] - for slots_var in slots: - orig_vars.pop(slots_var) - orig_vars.pop('__dict__', None) - orig_vars.pop('__weakref__', None) - return metaclass(cls.__name__, cls.__bases__, orig_vars) - return wrapper - - -def python_2_unicode_compatible(klass): - """ - A decorator that defines __unicode__ and __str__ methods under Python 2. - Under Python 3 it does nothing. - - To support Python 2 and 3 with a single code base, define a __str__ method - returning text and apply this decorator to the class. - """ - if PY2: - if '__str__' not in klass.__dict__: - raise ValueError("@python_2_unicode_compatible cannot be applied " - "to %s because it doesn't define __str__()." % - klass.__name__) - klass.__unicode__ = klass.__str__ - klass.__str__ = lambda self: self.__unicode__().encode('utf-8') - return klass - - -# Complete the moves implementation. -# This code is at the end of this module to speed up module loading. -# Turn this module into a package. -__path__ = [] # required for PEP 302 and PEP 451 -__package__ = __name__ # see PEP 366 @ReservedAssignment -if globals().get("__spec__") is not None: - __spec__.submodule_search_locations = [] # PEP 451 @UndefinedVariable -# Remove other six meta path importers, since they cause problems. This can -# happen if six is removed from sys.modules and then reloaded. (Setuptools does -# this for some reason.) -if sys.meta_path: - for i, importer in enumerate(sys.meta_path): - # Here's some real nastiness: Another "instance" of the six module might - # be floating around. Therefore, we can't use isinstance() to check for - # the six meta path importer, since the other six instance will have - # inserted an importer with different class. - if (type(importer).__name__ == "_SixMetaPathImporter" and - importer.name == __name__): - del sys.meta_path[i] - break - del i, importer -# Finally, add the importer to the meta path import hook. -sys.meta_path.append(_importer) diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/ssl_match_hostname/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/packages/ssl_match_hostname/__init__.py deleted file mode 100644 index 2aeeeff91..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/ssl_match_hostname/__init__.py +++ /dev/null @@ -1,20 +0,0 @@ -# SPDX-License-Identifier: MIT -import sys - -try: - # Our match_hostname function is the same as 3.5's, so we only want to - # import the match_hostname function if it's at least that good. - if sys.version_info < (3, 5): - raise ImportError("Fallback to vendored code") - - from ssl import CertificateError, match_hostname -except ImportError: - try: - # Backport of the function from a pypi module - from backports.ssl_match_hostname import CertificateError, match_hostname - except ImportError: - # Our vendored copy - from ._implementation import CertificateError, match_hostname - -# Not needed, but documenting what we provide. -__all__ = ('CertificateError', 'match_hostname') diff --git a/collectors/python.d.plugin/python_modules/urllib3/packages/ssl_match_hostname/_implementation.py b/collectors/python.d.plugin/python_modules/urllib3/packages/ssl_match_hostname/_implementation.py deleted file mode 100644 index 647e081da..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/packages/ssl_match_hostname/_implementation.py +++ /dev/null @@ -1,156 +0,0 @@ -"""The match_hostname() function from Python 3.3.3, essential when using SSL.""" - -# SPDX-License-Identifier: Python-2.0 - -import re -import sys - -# ipaddress has been backported to 2.6+ in pypi. If it is installed on the -# system, use it to handle IPAddress ServerAltnames (this was added in -# python-3.5) otherwise only do DNS matching. This allows -# backports.ssl_match_hostname to continue to be used all the way back to -# python-2.4. -try: - import ipaddress -except ImportError: - ipaddress = None - -__version__ = '3.5.0.1' - - -class CertificateError(ValueError): - pass - - -def _dnsname_match(dn, hostname, max_wildcards=1): - """Matching according to RFC 6125, section 6.4.3 - - http://tools.ietf.org/html/rfc6125#section-6.4.3 - """ - pats = [] - if not dn: - return False - - # Ported from python3-syntax: - # leftmost, *remainder = dn.split(r'.') - parts = dn.split(r'.') - leftmost = parts[0] - remainder = parts[1:] - - wildcards = leftmost.count('*') - if wildcards > max_wildcards: - # Issue #17980: avoid denials of service by refusing more - # than one wildcard per fragment. A survey of established - # policy among SSL implementations showed it to be a - # reasonable choice. - raise CertificateError( - "too many wildcards in certificate DNS name: " + repr(dn)) - - # speed up common case w/o wildcards - if not wildcards: - return dn.lower() == hostname.lower() - - # RFC 6125, section 6.4.3, subitem 1. - # The client SHOULD NOT attempt to match a presented identifier in which - # the wildcard character comprises a label other than the left-most label. - if leftmost == '*': - # When '*' is a fragment by itself, it matches a non-empty dotless - # fragment. - pats.append('[^.]+') - elif leftmost.startswith('xn--') or hostname.startswith('xn--'): - # RFC 6125, section 6.4.3, subitem 3. - # The client SHOULD NOT attempt to match a presented identifier - # where the wildcard character is embedded within an A-label or - # U-label of an internationalized domain name. - pats.append(re.escape(leftmost)) - else: - # Otherwise, '*' matches any dotless string, e.g. www* - pats.append(re.escape(leftmost).replace(r'\*', '[^.]*')) - - # add the remaining fragments, ignore any wildcards - for frag in remainder: - pats.append(re.escape(frag)) - - pat = re.compile(r'\A' + r'\.'.join(pats) + r'\Z', re.IGNORECASE) - return pat.match(hostname) - - -def _to_unicode(obj): - if isinstance(obj, str) and sys.version_info < (3,): - obj = unicode(obj, encoding='ascii', errors='strict') - return obj - -def _ipaddress_match(ipname, host_ip): - """Exact matching of IP addresses. - - RFC 6125 explicitly doesn't define an algorithm for this - (section 1.7.2 - "Out of Scope"). - """ - # OpenSSL may add a trailing newline to a subjectAltName's IP address - # Divergence from upstream: ipaddress can't handle byte str - ip = ipaddress.ip_address(_to_unicode(ipname).rstrip()) - return ip == host_ip - - -def match_hostname(cert, hostname): - """Verify that *cert* (in decoded format as returned by - SSLSocket.getpeercert()) matches the *hostname*. RFC 2818 and RFC 6125 - rules are followed, but IP addresses are not accepted for *hostname*. - - CertificateError is raised on failure. On success, the function - returns nothing. - """ - if not cert: - raise ValueError("empty or no certificate, match_hostname needs a " - "SSL socket or SSL context with either " - "CERT_OPTIONAL or CERT_REQUIRED") - try: - # Divergence from upstream: ipaddress can't handle byte str - host_ip = ipaddress.ip_address(_to_unicode(hostname)) - except ValueError: - # Not an IP address (common case) - host_ip = None - except UnicodeError: - # Divergence from upstream: Have to deal with ipaddress not taking - # byte strings. addresses should be all ascii, so we consider it not - # an ipaddress in this case - host_ip = None - except AttributeError: - # Divergence from upstream: Make ipaddress library optional - if ipaddress is None: - host_ip = None - else: - raise - dnsnames = [] - san = cert.get('subjectAltName', ()) - for key, value in san: - if key == 'DNS': - if host_ip is None and _dnsname_match(value, hostname): - return - dnsnames.append(value) - elif key == 'IP Address': - if host_ip is not None and _ipaddress_match(value, host_ip): - return - dnsnames.append(value) - if not dnsnames: - # The subject is only checked when there is no dNSName entry - # in subjectAltName - for sub in cert.get('subject', ()): - for key, value in sub: - # XXX according to RFC 2818, the most specific Common Name - # must be used. - if key == 'commonName': - if _dnsname_match(value, hostname): - return - dnsnames.append(value) - if len(dnsnames) > 1: - raise CertificateError("hostname %r " - "doesn't match either of %s" - % (hostname, ', '.join(map(repr, dnsnames)))) - elif len(dnsnames) == 1: - raise CertificateError("hostname %r " - "doesn't match %r" - % (hostname, dnsnames[0])) - else: - raise CertificateError("no appropriate commonName or " - "subjectAltName fields were found") diff --git a/collectors/python.d.plugin/python_modules/urllib3/poolmanager.py b/collectors/python.d.plugin/python_modules/urllib3/poolmanager.py deleted file mode 100644 index adea9bc01..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/poolmanager.py +++ /dev/null @@ -1,441 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import collections -import functools -import logging - -from ._collections import RecentlyUsedContainer -from .connectionpool import HTTPConnectionPool, HTTPSConnectionPool -from .connectionpool import port_by_scheme -from .exceptions import LocationValueError, MaxRetryError, ProxySchemeUnknown -from .packages.six.moves.urllib.parse import urljoin -from .request import RequestMethods -from .util.url import parse_url -from .util.retry import Retry - - -__all__ = ['PoolManager', 'ProxyManager', 'proxy_from_url'] - - -log = logging.getLogger(__name__) - -SSL_KEYWORDS = ('key_file', 'cert_file', 'cert_reqs', 'ca_certs', - 'ssl_version', 'ca_cert_dir', 'ssl_context') - -# All known keyword arguments that could be provided to the pool manager, its -# pools, or the underlying connections. This is used to construct a pool key. -_key_fields = ( - 'key_scheme', # str - 'key_host', # str - 'key_port', # int - 'key_timeout', # int or float or Timeout - 'key_retries', # int or Retry - 'key_strict', # bool - 'key_block', # bool - 'key_source_address', # str - 'key_key_file', # str - 'key_cert_file', # str - 'key_cert_reqs', # str - 'key_ca_certs', # str - 'key_ssl_version', # str - 'key_ca_cert_dir', # str - 'key_ssl_context', # instance of ssl.SSLContext or urllib3.util.ssl_.SSLContext - 'key_maxsize', # int - 'key_headers', # dict - 'key__proxy', # parsed proxy url - 'key__proxy_headers', # dict - 'key_socket_options', # list of (level (int), optname (int), value (int or str)) tuples - 'key__socks_options', # dict - 'key_assert_hostname', # bool or string - 'key_assert_fingerprint', # str -) - -#: The namedtuple class used to construct keys for the connection pool. -#: All custom key schemes should include the fields in this key at a minimum. -PoolKey = collections.namedtuple('PoolKey', _key_fields) - - -def _default_key_normalizer(key_class, request_context): - """ - Create a pool key out of a request context dictionary. - - According to RFC 3986, both the scheme and host are case-insensitive. - Therefore, this function normalizes both before constructing the pool - key for an HTTPS request. If you wish to change this behaviour, provide - alternate callables to ``key_fn_by_scheme``. - - :param key_class: - The class to use when constructing the key. This should be a namedtuple - with the ``scheme`` and ``host`` keys at a minimum. - :type key_class: namedtuple - :param request_context: - A dictionary-like object that contain the context for a request. - :type request_context: dict - - :return: A namedtuple that can be used as a connection pool key. - :rtype: PoolKey - """ - # Since we mutate the dictionary, make a copy first - context = request_context.copy() - context['scheme'] = context['scheme'].lower() - context['host'] = context['host'].lower() - - # These are both dictionaries and need to be transformed into frozensets - for key in ('headers', '_proxy_headers', '_socks_options'): - if key in context and context[key] is not None: - context[key] = frozenset(context[key].items()) - - # The socket_options key may be a list and needs to be transformed into a - # tuple. - socket_opts = context.get('socket_options') - if socket_opts is not None: - context['socket_options'] = tuple(socket_opts) - - # Map the kwargs to the names in the namedtuple - this is necessary since - # namedtuples can't have fields starting with '_'. - for key in list(context.keys()): - context['key_' + key] = context.pop(key) - - # Default to ``None`` for keys missing from the context - for field in key_class._fields: - if field not in context: - context[field] = None - - return key_class(**context) - - -#: A dictionary that maps a scheme to a callable that creates a pool key. -#: This can be used to alter the way pool keys are constructed, if desired. -#: Each PoolManager makes a copy of this dictionary so they can be configured -#: globally here, or individually on the instance. -key_fn_by_scheme = { - 'http': functools.partial(_default_key_normalizer, PoolKey), - 'https': functools.partial(_default_key_normalizer, PoolKey), -} - -pool_classes_by_scheme = { - 'http': HTTPConnectionPool, - 'https': HTTPSConnectionPool, -} - - -class PoolManager(RequestMethods): - """ - Allows for arbitrary requests while transparently keeping track of - necessary connection pools for you. - - :param num_pools: - Number of connection pools to cache before discarding the least - recently used pool. - - :param headers: - Headers to include with all requests, unless other headers are given - explicitly. - - :param \\**connection_pool_kw: - Additional parameters are used to create fresh - :class:`urllib3.connectionpool.ConnectionPool` instances. - - Example:: - - >>> manager = PoolManager(num_pools=2) - >>> r = manager.request('GET', 'http://google.com/') - >>> r = manager.request('GET', 'http://google.com/mail') - >>> r = manager.request('GET', 'http://yahoo.com/') - >>> len(manager.pools) - 2 - - """ - - proxy = None - - def __init__(self, num_pools=10, headers=None, **connection_pool_kw): - RequestMethods.__init__(self, headers) - self.connection_pool_kw = connection_pool_kw - self.pools = RecentlyUsedContainer(num_pools, - dispose_func=lambda p: p.close()) - - # Locally set the pool classes and keys so other PoolManagers can - # override them. - self.pool_classes_by_scheme = pool_classes_by_scheme - self.key_fn_by_scheme = key_fn_by_scheme.copy() - - def __enter__(self): - return self - - def __exit__(self, exc_type, exc_val, exc_tb): - self.clear() - # Return False to re-raise any potential exceptions - return False - - def _new_pool(self, scheme, host, port, request_context=None): - """ - Create a new :class:`ConnectionPool` based on host, port, scheme, and - any additional pool keyword arguments. - - If ``request_context`` is provided, it is provided as keyword arguments - to the pool class used. This method is used to actually create the - connection pools handed out by :meth:`connection_from_url` and - companion methods. It is intended to be overridden for customization. - """ - pool_cls = self.pool_classes_by_scheme[scheme] - if request_context is None: - request_context = self.connection_pool_kw.copy() - - # Although the context has everything necessary to create the pool, - # this function has historically only used the scheme, host, and port - # in the positional args. When an API change is acceptable these can - # be removed. - for key in ('scheme', 'host', 'port'): - request_context.pop(key, None) - - if scheme == 'http': - for kw in SSL_KEYWORDS: - request_context.pop(kw, None) - - return pool_cls(host, port, **request_context) - - def clear(self): - """ - Empty our store of pools and direct them all to close. - - This will not affect in-flight connections, but they will not be - re-used after completion. - """ - self.pools.clear() - - def connection_from_host(self, host, port=None, scheme='http', pool_kwargs=None): - """ - Get a :class:`ConnectionPool` based on the host, port, and scheme. - - If ``port`` isn't given, it will be derived from the ``scheme`` using - ``urllib3.connectionpool.port_by_scheme``. If ``pool_kwargs`` is - provided, it is merged with the instance's ``connection_pool_kw`` - variable and used to create the new connection pool, if one is - needed. - """ - - if not host: - raise LocationValueError("No host specified.") - - request_context = self._merge_pool_kwargs(pool_kwargs) - request_context['scheme'] = scheme or 'http' - if not port: - port = port_by_scheme.get(request_context['scheme'].lower(), 80) - request_context['port'] = port - request_context['host'] = host - - return self.connection_from_context(request_context) - - def connection_from_context(self, request_context): - """ - Get a :class:`ConnectionPool` based on the request context. - - ``request_context`` must at least contain the ``scheme`` key and its - value must be a key in ``key_fn_by_scheme`` instance variable. - """ - scheme = request_context['scheme'].lower() - pool_key_constructor = self.key_fn_by_scheme[scheme] - pool_key = pool_key_constructor(request_context) - - return self.connection_from_pool_key(pool_key, request_context=request_context) - - def connection_from_pool_key(self, pool_key, request_context=None): - """ - Get a :class:`ConnectionPool` based on the provided pool key. - - ``pool_key`` should be a namedtuple that only contains immutable - objects. At a minimum it must have the ``scheme``, ``host``, and - ``port`` fields. - """ - with self.pools.lock: - # If the scheme, host, or port doesn't match existing open - # connections, open a new ConnectionPool. - pool = self.pools.get(pool_key) - if pool: - return pool - - # Make a fresh ConnectionPool of the desired type - scheme = request_context['scheme'] - host = request_context['host'] - port = request_context['port'] - pool = self._new_pool(scheme, host, port, request_context=request_context) - self.pools[pool_key] = pool - - return pool - - def connection_from_url(self, url, pool_kwargs=None): - """ - Similar to :func:`urllib3.connectionpool.connection_from_url`. - - If ``pool_kwargs`` is not provided and a new pool needs to be - constructed, ``self.connection_pool_kw`` is used to initialize - the :class:`urllib3.connectionpool.ConnectionPool`. If ``pool_kwargs`` - is provided, it is used instead. Note that if a new pool does not - need to be created for the request, the provided ``pool_kwargs`` are - not used. - """ - u = parse_url(url) - return self.connection_from_host(u.host, port=u.port, scheme=u.scheme, - pool_kwargs=pool_kwargs) - - def _merge_pool_kwargs(self, override): - """ - Merge a dictionary of override values for self.connection_pool_kw. - - This does not modify self.connection_pool_kw and returns a new dict. - Any keys in the override dictionary with a value of ``None`` are - removed from the merged dictionary. - """ - base_pool_kwargs = self.connection_pool_kw.copy() - if override: - for key, value in override.items(): - if value is None: - try: - del base_pool_kwargs[key] - except KeyError: - pass - else: - base_pool_kwargs[key] = value - return base_pool_kwargs - - def urlopen(self, method, url, redirect=True, **kw): - """ - Same as :meth:`urllib3.connectionpool.HTTPConnectionPool.urlopen` - with custom cross-host redirect logic and only sends the request-uri - portion of the ``url``. - - The given ``url`` parameter must be absolute, such that an appropriate - :class:`urllib3.connectionpool.ConnectionPool` can be chosen for it. - """ - u = parse_url(url) - conn = self.connection_from_host(u.host, port=u.port, scheme=u.scheme) - - kw['assert_same_host'] = False - kw['redirect'] = False - if 'headers' not in kw: - kw['headers'] = self.headers - - if self.proxy is not None and u.scheme == "http": - response = conn.urlopen(method, url, **kw) - else: - response = conn.urlopen(method, u.request_uri, **kw) - - redirect_location = redirect and response.get_redirect_location() - if not redirect_location: - return response - - # Support relative URLs for redirecting. - redirect_location = urljoin(url, redirect_location) - - # RFC 7231, Section 6.4.4 - if response.status == 303: - method = 'GET' - - retries = kw.get('retries') - if not isinstance(retries, Retry): - retries = Retry.from_int(retries, redirect=redirect) - - try: - retries = retries.increment(method, url, response=response, _pool=conn) - except MaxRetryError: - if retries.raise_on_redirect: - raise - return response - - kw['retries'] = retries - kw['redirect'] = redirect - - log.info("Redirecting %s -> %s", url, redirect_location) - return self.urlopen(method, redirect_location, **kw) - - -class ProxyManager(PoolManager): - """ - Behaves just like :class:`PoolManager`, but sends all requests through - the defined proxy, using the CONNECT method for HTTPS URLs. - - :param proxy_url: - The URL of the proxy to be used. - - :param proxy_headers: - A dictionary contaning headers that will be sent to the proxy. In case - of HTTP they are being sent with each request, while in the - HTTPS/CONNECT case they are sent only once. Could be used for proxy - authentication. - - Example: - >>> proxy = urllib3.ProxyManager('http://localhost:3128/') - >>> r1 = proxy.request('GET', 'http://google.com/') - >>> r2 = proxy.request('GET', 'http://httpbin.org/') - >>> len(proxy.pools) - 1 - >>> r3 = proxy.request('GET', 'https://httpbin.org/') - >>> r4 = proxy.request('GET', 'https://twitter.com/') - >>> len(proxy.pools) - 3 - - """ - - def __init__(self, proxy_url, num_pools=10, headers=None, - proxy_headers=None, **connection_pool_kw): - - if isinstance(proxy_url, HTTPConnectionPool): - proxy_url = '%s://%s:%i' % (proxy_url.scheme, proxy_url.host, - proxy_url.port) - proxy = parse_url(proxy_url) - if not proxy.port: - port = port_by_scheme.get(proxy.scheme, 80) - proxy = proxy._replace(port=port) - - if proxy.scheme not in ("http", "https"): - raise ProxySchemeUnknown(proxy.scheme) - - self.proxy = proxy - self.proxy_headers = proxy_headers or {} - - connection_pool_kw['_proxy'] = self.proxy - connection_pool_kw['_proxy_headers'] = self.proxy_headers - - super(ProxyManager, self).__init__( - num_pools, headers, **connection_pool_kw) - - def connection_from_host(self, host, port=None, scheme='http', pool_kwargs=None): - if scheme == "https": - return super(ProxyManager, self).connection_from_host( - host, port, scheme, pool_kwargs=pool_kwargs) - - return super(ProxyManager, self).connection_from_host( - self.proxy.host, self.proxy.port, self.proxy.scheme, pool_kwargs=pool_kwargs) - - def _set_proxy_headers(self, url, headers=None): - """ - Sets headers needed by proxies: specifically, the Accept and Host - headers. Only sets headers not provided by the user. - """ - headers_ = {'Accept': '*/*'} - - netloc = parse_url(url).netloc - if netloc: - headers_['Host'] = netloc - - if headers: - headers_.update(headers) - return headers_ - - def urlopen(self, method, url, redirect=True, **kw): - "Same as HTTP(S)ConnectionPool.urlopen, ``url`` must be absolute." - u = parse_url(url) - - if u.scheme == "http": - # For proxied HTTPS requests, httplib sets the necessary headers - # on the CONNECT to the proxy. For HTTP, we'll definitely - # need to set 'Host' at the very least. - headers = kw.get('headers', self.headers) - kw['headers'] = self._set_proxy_headers(url, headers) - - return super(ProxyManager, self).urlopen(method, url, redirect=redirect, **kw) - - -def proxy_from_url(url, **kw): - return ProxyManager(proxy_url=url, **kw) diff --git a/collectors/python.d.plugin/python_modules/urllib3/request.py b/collectors/python.d.plugin/python_modules/urllib3/request.py deleted file mode 100644 index f78331975..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/request.py +++ /dev/null @@ -1,149 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import - -from .filepost import encode_multipart_formdata -from .packages.six.moves.urllib.parse import urlencode - - -__all__ = ['RequestMethods'] - - -class RequestMethods(object): - """ - Convenience mixin for classes who implement a :meth:`urlopen` method, such - as :class:`~urllib3.connectionpool.HTTPConnectionPool` and - :class:`~urllib3.poolmanager.PoolManager`. - - Provides behavior for making common types of HTTP request methods and - decides which type of request field encoding to use. - - Specifically, - - :meth:`.request_encode_url` is for sending requests whose fields are - encoded in the URL (such as GET, HEAD, DELETE). - - :meth:`.request_encode_body` is for sending requests whose fields are - encoded in the *body* of the request using multipart or www-form-urlencoded - (such as for POST, PUT, PATCH). - - :meth:`.request` is for making any kind of request, it will look up the - appropriate encoding format and use one of the above two methods to make - the request. - - Initializer parameters: - - :param headers: - Headers to include with all requests, unless other headers are given - explicitly. - """ - - _encode_url_methods = set(['DELETE', 'GET', 'HEAD', 'OPTIONS']) - - def __init__(self, headers=None): - self.headers = headers or {} - - def urlopen(self, method, url, body=None, headers=None, - encode_multipart=True, multipart_boundary=None, - **kw): # Abstract - raise NotImplemented("Classes extending RequestMethods must implement " - "their own ``urlopen`` method.") - - def request(self, method, url, fields=None, headers=None, **urlopen_kw): - """ - Make a request using :meth:`urlopen` with the appropriate encoding of - ``fields`` based on the ``method`` used. - - This is a convenience method that requires the least amount of manual - effort. It can be used in most situations, while still having the - option to drop down to more specific methods when necessary, such as - :meth:`request_encode_url`, :meth:`request_encode_body`, - or even the lowest level :meth:`urlopen`. - """ - method = method.upper() - - if method in self._encode_url_methods: - return self.request_encode_url(method, url, fields=fields, - headers=headers, - **urlopen_kw) - else: - return self.request_encode_body(method, url, fields=fields, - headers=headers, - **urlopen_kw) - - def request_encode_url(self, method, url, fields=None, headers=None, - **urlopen_kw): - """ - Make a request using :meth:`urlopen` with the ``fields`` encoded in - the url. This is useful for request methods like GET, HEAD, DELETE, etc. - """ - if headers is None: - headers = self.headers - - extra_kw = {'headers': headers} - extra_kw.update(urlopen_kw) - - if fields: - url += '?' + urlencode(fields) - - return self.urlopen(method, url, **extra_kw) - - def request_encode_body(self, method, url, fields=None, headers=None, - encode_multipart=True, multipart_boundary=None, - **urlopen_kw): - """ - Make a request using :meth:`urlopen` with the ``fields`` encoded in - the body. This is useful for request methods like POST, PUT, PATCH, etc. - - When ``encode_multipart=True`` (default), then - :meth:`urllib3.filepost.encode_multipart_formdata` is used to encode - the payload with the appropriate content type. Otherwise - :meth:`urllib.urlencode` is used with the - 'application/x-www-form-urlencoded' content type. - - Multipart encoding must be used when posting files, and it's reasonably - safe to use it in other times too. However, it may break request - signing, such as with OAuth. - - Supports an optional ``fields`` parameter of key/value strings AND - key/filetuple. A filetuple is a (filename, data, MIME type) tuple where - the MIME type is optional. For example:: - - fields = { - 'foo': 'bar', - 'fakefile': ('foofile.txt', 'contents of foofile'), - 'realfile': ('barfile.txt', open('realfile').read()), - 'typedfile': ('bazfile.bin', open('bazfile').read(), - 'image/jpeg'), - 'nonamefile': 'contents of nonamefile field', - } - - When uploading a file, providing a filename (the first parameter of the - tuple) is optional but recommended to best mimick behavior of browsers. - - Note that if ``headers`` are supplied, the 'Content-Type' header will - be overwritten because it depends on the dynamic random boundary string - which is used to compose the body of the request. The random boundary - string can be explicitly set with the ``multipart_boundary`` parameter. - """ - if headers is None: - headers = self.headers - - extra_kw = {'headers': {}} - - if fields: - if 'body' in urlopen_kw: - raise TypeError( - "request got values for both 'fields' and 'body', can only specify one.") - - if encode_multipart: - body, content_type = encode_multipart_formdata(fields, boundary=multipart_boundary) - else: - body, content_type = urlencode(fields), 'application/x-www-form-urlencoded' - - extra_kw['body'] = body - extra_kw['headers'] = {'Content-Type': content_type} - - extra_kw['headers'].update(headers) - extra_kw.update(urlopen_kw) - - return self.urlopen(method, url, **extra_kw) diff --git a/collectors/python.d.plugin/python_modules/urllib3/response.py b/collectors/python.d.plugin/python_modules/urllib3/response.py deleted file mode 100644 index cf14a3076..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/response.py +++ /dev/null @@ -1,623 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -from contextlib import contextmanager -import zlib -import io -import logging -from socket import timeout as SocketTimeout -from socket import error as SocketError - -from ._collections import HTTPHeaderDict -from .exceptions import ( - BodyNotHttplibCompatible, ProtocolError, DecodeError, ReadTimeoutError, - ResponseNotChunked, IncompleteRead, InvalidHeader -) -from .packages.six import string_types as basestring, binary_type, PY3 -from .packages.six.moves import http_client as httplib -from .connection import HTTPException, BaseSSLError -from .util.response import is_fp_closed, is_response_to_head - -log = logging.getLogger(__name__) - - -class DeflateDecoder(object): - - def __init__(self): - self._first_try = True - self._data = binary_type() - self._obj = zlib.decompressobj() - - def __getattr__(self, name): - return getattr(self._obj, name) - - def decompress(self, data): - if not data: - return data - - if not self._first_try: - return self._obj.decompress(data) - - self._data += data - try: - decompressed = self._obj.decompress(data) - if decompressed: - self._first_try = False - self._data = None - return decompressed - except zlib.error: - self._first_try = False - self._obj = zlib.decompressobj(-zlib.MAX_WBITS) - try: - return self.decompress(self._data) - finally: - self._data = None - - -class GzipDecoder(object): - - def __init__(self): - self._obj = zlib.decompressobj(16 + zlib.MAX_WBITS) - - def __getattr__(self, name): - return getattr(self._obj, name) - - def decompress(self, data): - if not data: - return data - return self._obj.decompress(data) - - -def _get_decoder(mode): - if mode == 'gzip': - return GzipDecoder() - - return DeflateDecoder() - - -class HTTPResponse(io.IOBase): - """ - HTTP Response container. - - Backwards-compatible to httplib's HTTPResponse but the response ``body`` is - loaded and decoded on-demand when the ``data`` property is accessed. This - class is also compatible with the Python standard library's :mod:`io` - module, and can hence be treated as a readable object in the context of that - framework. - - Extra parameters for behaviour not present in httplib.HTTPResponse: - - :param preload_content: - If True, the response's body will be preloaded during construction. - - :param decode_content: - If True, attempts to decode specific content-encoding's based on headers - (like 'gzip' and 'deflate') will be skipped and raw data will be used - instead. - - :param original_response: - When this HTTPResponse wrapper is generated from an httplib.HTTPResponse - object, it's convenient to include the original for debug purposes. It's - otherwise unused. - - :param retries: - The retries contains the last :class:`~urllib3.util.retry.Retry` that - was used during the request. - - :param enforce_content_length: - Enforce content length checking. Body returned by server must match - value of Content-Length header, if present. Otherwise, raise error. - """ - - CONTENT_DECODERS = ['gzip', 'deflate'] - REDIRECT_STATUSES = [301, 302, 303, 307, 308] - - def __init__(self, body='', headers=None, status=0, version=0, reason=None, - strict=0, preload_content=True, decode_content=True, - original_response=None, pool=None, connection=None, - retries=None, enforce_content_length=False, request_method=None): - - if isinstance(headers, HTTPHeaderDict): - self.headers = headers - else: - self.headers = HTTPHeaderDict(headers) - self.status = status - self.version = version - self.reason = reason - self.strict = strict - self.decode_content = decode_content - self.retries = retries - self.enforce_content_length = enforce_content_length - - self._decoder = None - self._body = None - self._fp = None - self._original_response = original_response - self._fp_bytes_read = 0 - - if body and isinstance(body, (basestring, binary_type)): - self._body = body - - self._pool = pool - self._connection = connection - - if hasattr(body, 'read'): - self._fp = body - - # Are we using the chunked-style of transfer encoding? - self.chunked = False - self.chunk_left = None - tr_enc = self.headers.get('transfer-encoding', '').lower() - # Don't incur the penalty of creating a list and then discarding it - encodings = (enc.strip() for enc in tr_enc.split(",")) - if "chunked" in encodings: - self.chunked = True - - # Determine length of response - self.length_remaining = self._init_length(request_method) - - # If requested, preload the body. - if preload_content and not self._body: - self._body = self.read(decode_content=decode_content) - - def get_redirect_location(self): - """ - Should we redirect and where to? - - :returns: Truthy redirect location string if we got a redirect status - code and valid location. ``None`` if redirect status and no - location. ``False`` if not a redirect status code. - """ - if self.status in self.REDIRECT_STATUSES: - return self.headers.get('location') - - return False - - def release_conn(self): - if not self._pool or not self._connection: - return - - self._pool._put_conn(self._connection) - self._connection = None - - @property - def data(self): - # For backwords-compat with earlier urllib3 0.4 and earlier. - if self._body: - return self._body - - if self._fp: - return self.read(cache_content=True) - - @property - def connection(self): - return self._connection - - def tell(self): - """ - Obtain the number of bytes pulled over the wire so far. May differ from - the amount of content returned by :meth:``HTTPResponse.read`` if bytes - are encoded on the wire (e.g, compressed). - """ - return self._fp_bytes_read - - def _init_length(self, request_method): - """ - Set initial length value for Response content if available. - """ - length = self.headers.get('content-length') - - if length is not None and self.chunked: - # This Response will fail with an IncompleteRead if it can't be - # received as chunked. This method falls back to attempt reading - # the response before raising an exception. - log.warning("Received response with both Content-Length and " - "Transfer-Encoding set. This is expressly forbidden " - "by RFC 7230 sec 3.3.2. Ignoring Content-Length and " - "attempting to process response as Transfer-Encoding: " - "chunked.") - return None - - elif length is not None: - try: - # RFC 7230 section 3.3.2 specifies multiple content lengths can - # be sent in a single Content-Length header - # (e.g. Content-Length: 42, 42). This line ensures the values - # are all valid ints and that as long as the `set` length is 1, - # all values are the same. Otherwise, the header is invalid. - lengths = set([int(val) for val in length.split(',')]) - if len(lengths) > 1: - raise InvalidHeader("Content-Length contained multiple " - "unmatching values (%s)" % length) - length = lengths.pop() - except ValueError: - length = None - else: - if length < 0: - length = None - - # Convert status to int for comparison - # In some cases, httplib returns a status of "_UNKNOWN" - try: - status = int(self.status) - except ValueError: - status = 0 - - # Check for responses that shouldn't include a body - if status in (204, 304) or 100 <= status < 200 or request_method == 'HEAD': - length = 0 - - return length - - def _init_decoder(self): - """ - Set-up the _decoder attribute if necessary. - """ - # Note: content-encoding value should be case-insensitive, per RFC 7230 - # Section 3.2 - content_encoding = self.headers.get('content-encoding', '').lower() - if self._decoder is None and content_encoding in self.CONTENT_DECODERS: - self._decoder = _get_decoder(content_encoding) - - def _decode(self, data, decode_content, flush_decoder): - """ - Decode the data passed in and potentially flush the decoder. - """ - try: - if decode_content and self._decoder: - data = self._decoder.decompress(data) - except (IOError, zlib.error) as e: - content_encoding = self.headers.get('content-encoding', '').lower() - raise DecodeError( - "Received response with content-encoding: %s, but " - "failed to decode it." % content_encoding, e) - - if flush_decoder and decode_content: - data += self._flush_decoder() - - return data - - def _flush_decoder(self): - """ - Flushes the decoder. Should only be called if the decoder is actually - being used. - """ - if self._decoder: - buf = self._decoder.decompress(b'') - return buf + self._decoder.flush() - - return b'' - - @contextmanager - def _error_catcher(self): - """ - Catch low-level python exceptions, instead re-raising urllib3 - variants, so that low-level exceptions are not leaked in the - high-level api. - - On exit, release the connection back to the pool. - """ - clean_exit = False - - try: - try: - yield - - except SocketTimeout: - # FIXME: Ideally we'd like to include the url in the ReadTimeoutError but - # there is yet no clean way to get at it from this context. - raise ReadTimeoutError(self._pool, None, 'Read timed out.') - - except BaseSSLError as e: - # FIXME: Is there a better way to differentiate between SSLErrors? - if 'read operation timed out' not in str(e): # Defensive: - # This shouldn't happen but just in case we're missing an edge - # case, let's avoid swallowing SSL errors. - raise - - raise ReadTimeoutError(self._pool, None, 'Read timed out.') - - except (HTTPException, SocketError) as e: - # This includes IncompleteRead. - raise ProtocolError('Connection broken: %r' % e, e) - - # If no exception is thrown, we should avoid cleaning up - # unnecessarily. - clean_exit = True - finally: - # If we didn't terminate cleanly, we need to throw away our - # connection. - if not clean_exit: - # The response may not be closed but we're not going to use it - # anymore so close it now to ensure that the connection is - # released back to the pool. - if self._original_response: - self._original_response.close() - - # Closing the response may not actually be sufficient to close - # everything, so if we have a hold of the connection close that - # too. - if self._connection: - self._connection.close() - - # If we hold the original response but it's closed now, we should - # return the connection back to the pool. - if self._original_response and self._original_response.isclosed(): - self.release_conn() - - def read(self, amt=None, decode_content=None, cache_content=False): - """ - Similar to :meth:`httplib.HTTPResponse.read`, but with two additional - parameters: ``decode_content`` and ``cache_content``. - - :param amt: - How much of the content to read. If specified, caching is skipped - because it doesn't make sense to cache partial content as the full - response. - - :param decode_content: - If True, will attempt to decode the body based on the - 'content-encoding' header. - - :param cache_content: - If True, will save the returned data such that the same result is - returned despite of the state of the underlying file object. This - is useful if you want the ``.data`` property to continue working - after having ``.read()`` the file object. (Overridden if ``amt`` is - set.) - """ - self._init_decoder() - if decode_content is None: - decode_content = self.decode_content - - if self._fp is None: - return - - flush_decoder = False - data = None - - with self._error_catcher(): - if amt is None: - # cStringIO doesn't like amt=None - data = self._fp.read() - flush_decoder = True - else: - cache_content = False - data = self._fp.read(amt) - if amt != 0 and not data: # Platform-specific: Buggy versions of Python. - # Close the connection when no data is returned - # - # This is redundant to what httplib/http.client _should_ - # already do. However, versions of python released before - # December 15, 2012 (http://bugs.python.org/issue16298) do - # not properly close the connection in all cases. There is - # no harm in redundantly calling close. - self._fp.close() - flush_decoder = True - if self.enforce_content_length and self.length_remaining not in (0, None): - # This is an edge case that httplib failed to cover due - # to concerns of backward compatibility. We're - # addressing it here to make sure IncompleteRead is - # raised during streaming, so all calls with incorrect - # Content-Length are caught. - raise IncompleteRead(self._fp_bytes_read, self.length_remaining) - - if data: - self._fp_bytes_read += len(data) - if self.length_remaining is not None: - self.length_remaining -= len(data) - - data = self._decode(data, decode_content, flush_decoder) - - if cache_content: - self._body = data - - return data - - def stream(self, amt=2**16, decode_content=None): - """ - A generator wrapper for the read() method. A call will block until - ``amt`` bytes have been read from the connection or until the - connection is closed. - - :param amt: - How much of the content to read. The generator will return up to - much data per iteration, but may return less. This is particularly - likely when using compressed data. However, the empty string will - never be returned. - - :param decode_content: - If True, will attempt to decode the body based on the - 'content-encoding' header. - """ - if self.chunked and self.supports_chunked_reads(): - for line in self.read_chunked(amt, decode_content=decode_content): - yield line - else: - while not is_fp_closed(self._fp): - data = self.read(amt=amt, decode_content=decode_content) - - if data: - yield data - - @classmethod - def from_httplib(ResponseCls, r, **response_kw): - """ - Given an :class:`httplib.HTTPResponse` instance ``r``, return a - corresponding :class:`urllib3.response.HTTPResponse` object. - - Remaining parameters are passed to the HTTPResponse constructor, along - with ``original_response=r``. - """ - headers = r.msg - - if not isinstance(headers, HTTPHeaderDict): - if PY3: # Python 3 - headers = HTTPHeaderDict(headers.items()) - else: # Python 2 - headers = HTTPHeaderDict.from_httplib(headers) - - # HTTPResponse objects in Python 3 don't have a .strict attribute - strict = getattr(r, 'strict', 0) - resp = ResponseCls(body=r, - headers=headers, - status=r.status, - version=r.version, - reason=r.reason, - strict=strict, - original_response=r, - **response_kw) - return resp - - # Backwards-compatibility methods for httplib.HTTPResponse - def getheaders(self): - return self.headers - - def getheader(self, name, default=None): - return self.headers.get(name, default) - - # Overrides from io.IOBase - def close(self): - if not self.closed: - self._fp.close() - - if self._connection: - self._connection.close() - - @property - def closed(self): - if self._fp is None: - return True - elif hasattr(self._fp, 'isclosed'): - return self._fp.isclosed() - elif hasattr(self._fp, 'closed'): - return self._fp.closed - else: - return True - - def fileno(self): - if self._fp is None: - raise IOError("HTTPResponse has no file to get a fileno from") - elif hasattr(self._fp, "fileno"): - return self._fp.fileno() - else: - raise IOError("The file-like object this HTTPResponse is wrapped " - "around has no file descriptor") - - def flush(self): - if self._fp is not None and hasattr(self._fp, 'flush'): - return self._fp.flush() - - def readable(self): - # This method is required for `io` module compatibility. - return True - - def readinto(self, b): - # This method is required for `io` module compatibility. - temp = self.read(len(b)) - if len(temp) == 0: - return 0 - else: - b[:len(temp)] = temp - return len(temp) - - def supports_chunked_reads(self): - """ - Checks if the underlying file-like object looks like a - httplib.HTTPResponse object. We do this by testing for the fp - attribute. If it is present we assume it returns raw chunks as - processed by read_chunked(). - """ - return hasattr(self._fp, 'fp') - - def _update_chunk_length(self): - # First, we'll figure out length of a chunk and then - # we'll try to read it from socket. - if self.chunk_left is not None: - return - line = self._fp.fp.readline() - line = line.split(b';', 1)[0] - try: - self.chunk_left = int(line, 16) - except ValueError: - # Invalid chunked protocol response, abort. - self.close() - raise httplib.IncompleteRead(line) - - def _handle_chunk(self, amt): - returned_chunk = None - if amt is None: - chunk = self._fp._safe_read(self.chunk_left) - returned_chunk = chunk - self._fp._safe_read(2) # Toss the CRLF at the end of the chunk. - self.chunk_left = None - elif amt < self.chunk_left: - value = self._fp._safe_read(amt) - self.chunk_left = self.chunk_left - amt - returned_chunk = value - elif amt == self.chunk_left: - value = self._fp._safe_read(amt) - self._fp._safe_read(2) # Toss the CRLF at the end of the chunk. - self.chunk_left = None - returned_chunk = value - else: # amt > self.chunk_left - returned_chunk = self._fp._safe_read(self.chunk_left) - self._fp._safe_read(2) # Toss the CRLF at the end of the chunk. - self.chunk_left = None - return returned_chunk - - def read_chunked(self, amt=None, decode_content=None): - """ - Similar to :meth:`HTTPResponse.read`, but with an additional - parameter: ``decode_content``. - - :param decode_content: - If True, will attempt to decode the body based on the - 'content-encoding' header. - """ - self._init_decoder() - # FIXME: Rewrite this method and make it a class with a better structured logic. - if not self.chunked: - raise ResponseNotChunked( - "Response is not chunked. " - "Header 'transfer-encoding: chunked' is missing.") - if not self.supports_chunked_reads(): - raise BodyNotHttplibCompatible( - "Body should be httplib.HTTPResponse like. " - "It should have have an fp attribute which returns raw chunks.") - - # Don't bother reading the body of a HEAD request. - if self._original_response and is_response_to_head(self._original_response): - self._original_response.close() - return - - with self._error_catcher(): - while True: - self._update_chunk_length() - if self.chunk_left == 0: - break - chunk = self._handle_chunk(amt) - decoded = self._decode(chunk, decode_content=decode_content, - flush_decoder=False) - if decoded: - yield decoded - - if decode_content: - # On CPython and PyPy, we should never need to flush the - # decoder. However, on Jython we *might* need to, so - # lets defensively do it anyway. - decoded = self._flush_decoder() - if decoded: # Platform-specific: Jython. - yield decoded - - # Chunk content ends with \r\n: discard it. - while True: - line = self._fp.fp.readline() - if not line: - # Some sites may not end with '\r\n'. - break - if line == b'\r\n': - break - - # We read everything; close the "file". - if self._original_response: - self._original_response.close() diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/__init__.py b/collectors/python.d.plugin/python_modules/urllib3/util/__init__.py deleted file mode 100644 index bba628d98..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/__init__.py +++ /dev/null @@ -1,55 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -# For backwards compatibility, provide imports that used to be here. -from .connection import is_connection_dropped -from .request import make_headers -from .response import is_fp_closed -from .ssl_ import ( - SSLContext, - HAS_SNI, - IS_PYOPENSSL, - IS_SECURETRANSPORT, - assert_fingerprint, - resolve_cert_reqs, - resolve_ssl_version, - ssl_wrap_socket, -) -from .timeout import ( - current_time, - Timeout, -) - -from .retry import Retry -from .url import ( - get_host, - parse_url, - split_first, - Url, -) -from .wait import ( - wait_for_read, - wait_for_write -) - -__all__ = ( - 'HAS_SNI', - 'IS_PYOPENSSL', - 'IS_SECURETRANSPORT', - 'SSLContext', - 'Retry', - 'Timeout', - 'Url', - 'assert_fingerprint', - 'current_time', - 'is_connection_dropped', - 'is_fp_closed', - 'get_host', - 'parse_url', - 'make_headers', - 'resolve_cert_reqs', - 'resolve_ssl_version', - 'split_first', - 'ssl_wrap_socket', - 'wait_for_read', - 'wait_for_write' -) diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/connection.py b/collectors/python.d.plugin/python_modules/urllib3/util/connection.py deleted file mode 100644 index 3bd69e8fa..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/connection.py +++ /dev/null @@ -1,131 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import socket -from .wait import wait_for_read -from .selectors import HAS_SELECT, SelectorError - - -def is_connection_dropped(conn): # Platform-specific - """ - Returns True if the connection is dropped and should be closed. - - :param conn: - :class:`httplib.HTTPConnection` object. - - Note: For platforms like AppEngine, this will always return ``False`` to - let the platform handle connection recycling transparently for us. - """ - sock = getattr(conn, 'sock', False) - if sock is False: # Platform-specific: AppEngine - return False - if sock is None: # Connection already closed (such as by httplib). - return True - - if not HAS_SELECT: - return False - - try: - return bool(wait_for_read(sock, timeout=0.0)) - except SelectorError: - return True - - -# This function is copied from socket.py in the Python 2.7 standard -# library test suite. Added to its signature is only `socket_options`. -# One additional modification is that we avoid binding to IPv6 servers -# discovered in DNS if the system doesn't have IPv6 functionality. -def create_connection(address, timeout=socket._GLOBAL_DEFAULT_TIMEOUT, - source_address=None, socket_options=None): - """Connect to *address* and return the socket object. - - Convenience function. Connect to *address* (a 2-tuple ``(host, - port)``) and return the socket object. Passing the optional - *timeout* parameter will set the timeout on the socket instance - before attempting to connect. If no *timeout* is supplied, the - global default timeout setting returned by :func:`getdefaulttimeout` - is used. If *source_address* is set it must be a tuple of (host, port) - for the socket to bind as a source address before making the connection. - An host of '' or port 0 tells the OS to use the default. - """ - - host, port = address - if host.startswith('['): - host = host.strip('[]') - err = None - - # Using the value from allowed_gai_family() in the context of getaddrinfo lets - # us select whether to work with IPv4 DNS records, IPv6 records, or both. - # The original create_connection function always returns all records. - family = allowed_gai_family() - - for res in socket.getaddrinfo(host, port, family, socket.SOCK_STREAM): - af, socktype, proto, canonname, sa = res - sock = None - try: - sock = socket.socket(af, socktype, proto) - - # If provided, set socket level options before connecting. - _set_socket_options(sock, socket_options) - - if timeout is not socket._GLOBAL_DEFAULT_TIMEOUT: - sock.settimeout(timeout) - if source_address: - sock.bind(source_address) - sock.connect(sa) - return sock - - except socket.error as e: - err = e - if sock is not None: - sock.close() - sock = None - - if err is not None: - raise err - - raise socket.error("getaddrinfo returns an empty list") - - -def _set_socket_options(sock, options): - if options is None: - return - - for opt in options: - sock.setsockopt(*opt) - - -def allowed_gai_family(): - """This function is designed to work in the context of - getaddrinfo, where family=socket.AF_UNSPEC is the default and - will perform a DNS search for both IPv6 and IPv4 records.""" - - family = socket.AF_INET - if HAS_IPV6: - family = socket.AF_UNSPEC - return family - - -def _has_ipv6(host): - """ Returns True if the system can bind an IPv6 address. """ - sock = None - has_ipv6 = False - - if socket.has_ipv6: - # has_ipv6 returns true if cPython was compiled with IPv6 support. - # It does not tell us if the system has IPv6 support enabled. To - # determine that we must bind to an IPv6 address. - # https://github.com/shazow/urllib3/pull/611 - # https://bugs.python.org/issue658327 - try: - sock = socket.socket(socket.AF_INET6) - sock.bind((host, 0)) - has_ipv6 = True - except Exception: - pass - - if sock: - sock.close() - return has_ipv6 - - -HAS_IPV6 = _has_ipv6('::1') diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/request.py b/collectors/python.d.plugin/python_modules/urllib3/util/request.py deleted file mode 100644 index 18f27b032..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/request.py +++ /dev/null @@ -1,119 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -from base64 import b64encode - -from ..packages.six import b, integer_types -from ..exceptions import UnrewindableBodyError - -ACCEPT_ENCODING = 'gzip,deflate' -_FAILEDTELL = object() - - -def make_headers(keep_alive=None, accept_encoding=None, user_agent=None, - basic_auth=None, proxy_basic_auth=None, disable_cache=None): - """ - Shortcuts for generating request headers. - - :param keep_alive: - If ``True``, adds 'connection: keep-alive' header. - - :param accept_encoding: - Can be a boolean, list, or string. - ``True`` translates to 'gzip,deflate'. - List will get joined by comma. - String will be used as provided. - - :param user_agent: - String representing the user-agent you want, such as - "python-urllib3/0.6" - - :param basic_auth: - Colon-separated username:password string for 'authorization: basic ...' - auth header. - - :param proxy_basic_auth: - Colon-separated username:password string for 'proxy-authorization: basic ...' - auth header. - - :param disable_cache: - If ``True``, adds 'cache-control: no-cache' header. - - Example:: - - >>> make_headers(keep_alive=True, user_agent="Batman/1.0") - {'connection': 'keep-alive', 'user-agent': 'Batman/1.0'} - >>> make_headers(accept_encoding=True) - {'accept-encoding': 'gzip,deflate'} - """ - headers = {} - if accept_encoding: - if isinstance(accept_encoding, str): - pass - elif isinstance(accept_encoding, list): - accept_encoding = ','.join(accept_encoding) - else: - accept_encoding = ACCEPT_ENCODING - headers['accept-encoding'] = accept_encoding - - if user_agent: - headers['user-agent'] = user_agent - - if keep_alive: - headers['connection'] = 'keep-alive' - - if basic_auth: - headers['authorization'] = 'Basic ' + \ - b64encode(b(basic_auth)).decode('utf-8') - - if proxy_basic_auth: - headers['proxy-authorization'] = 'Basic ' + \ - b64encode(b(proxy_basic_auth)).decode('utf-8') - - if disable_cache: - headers['cache-control'] = 'no-cache' - - return headers - - -def set_file_position(body, pos): - """ - If a position is provided, move file to that point. - Otherwise, we'll attempt to record a position for future use. - """ - if pos is not None: - rewind_body(body, pos) - elif getattr(body, 'tell', None) is not None: - try: - pos = body.tell() - except (IOError, OSError): - # This differentiates from None, allowing us to catch - # a failed `tell()` later when trying to rewind the body. - pos = _FAILEDTELL - - return pos - - -def rewind_body(body, body_pos): - """ - Attempt to rewind body to a certain position. - Primarily used for request redirects and retries. - - :param body: - File-like object that supports seek. - - :param int pos: - Position to seek to in file. - """ - body_seek = getattr(body, 'seek', None) - if body_seek is not None and isinstance(body_pos, integer_types): - try: - body_seek(body_pos) - except (IOError, OSError): - raise UnrewindableBodyError("An error occurred when rewinding request " - "body for redirect/retry.") - elif body_pos is _FAILEDTELL: - raise UnrewindableBodyError("Unable to record file position for rewinding " - "request body during a redirect/retry.") - else: - raise ValueError("body_pos must be of type integer, " - "instead it was %s." % type(body_pos)) diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/response.py b/collectors/python.d.plugin/python_modules/urllib3/util/response.py deleted file mode 100644 index e4cda93d4..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/response.py +++ /dev/null @@ -1,82 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -from ..packages.six.moves import http_client as httplib - -from ..exceptions import HeaderParsingError - - -def is_fp_closed(obj): - """ - Checks whether a given file-like object is closed. - - :param obj: - The file-like object to check. - """ - - try: - # Check `isclosed()` first, in case Python3 doesn't set `closed`. - # GH Issue #928 - return obj.isclosed() - except AttributeError: - pass - - try: - # Check via the official file-like-object way. - return obj.closed - except AttributeError: - pass - - try: - # Check if the object is a container for another file-like object that - # gets released on exhaustion (e.g. HTTPResponse). - return obj.fp is None - except AttributeError: - pass - - raise ValueError("Unable to determine whether fp is closed.") - - -def assert_header_parsing(headers): - """ - Asserts whether all headers have been successfully parsed. - Extracts encountered errors from the result of parsing headers. - - Only works on Python 3. - - :param headers: Headers to verify. - :type headers: `httplib.HTTPMessage`. - - :raises urllib3.exceptions.HeaderParsingError: - If parsing errors are found. - """ - - # This will fail silently if we pass in the wrong kind of parameter. - # To make debugging easier add an explicit check. - if not isinstance(headers, httplib.HTTPMessage): - raise TypeError('expected httplib.Message, got {0}.'.format( - type(headers))) - - defects = getattr(headers, 'defects', None) - get_payload = getattr(headers, 'get_payload', None) - - unparsed_data = None - if get_payload: # Platform-specific: Python 3. - unparsed_data = get_payload() - - if defects or unparsed_data: - raise HeaderParsingError(defects=defects, unparsed_data=unparsed_data) - - -def is_response_to_head(response): - """ - Checks whether the request of a response has been a HEAD-request. - Handles the quirks of AppEngine. - - :param conn: - :type conn: :class:`httplib.HTTPResponse` - """ - # FIXME: Can we do this somehow without accessing private httplib _method? - method = response._method - if isinstance(method, int): # Platform-specific: Appengine - return method == 3 - return method.upper() == 'HEAD' diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/retry.py b/collectors/python.d.plugin/python_modules/urllib3/util/retry.py deleted file mode 100644 index 61e63afec..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/retry.py +++ /dev/null @@ -1,402 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import time -import logging -from collections import namedtuple -from itertools import takewhile -import email -import re - -from ..exceptions import ( - ConnectTimeoutError, - MaxRetryError, - ProtocolError, - ReadTimeoutError, - ResponseError, - InvalidHeader, -) -from ..packages import six - - -log = logging.getLogger(__name__) - -# Data structure for representing the metadata of requests that result in a retry. -RequestHistory = namedtuple('RequestHistory', ["method", "url", "error", - "status", "redirect_location"]) - - -class Retry(object): - """ Retry configuration. - - Each retry attempt will create a new Retry object with updated values, so - they can be safely reused. - - Retries can be defined as a default for a pool:: - - retries = Retry(connect=5, read=2, redirect=5) - http = PoolManager(retries=retries) - response = http.request('GET', 'http://example.com/') - - Or per-request (which overrides the default for the pool):: - - response = http.request('GET', 'http://example.com/', retries=Retry(10)) - - Retries can be disabled by passing ``False``:: - - response = http.request('GET', 'http://example.com/', retries=False) - - Errors will be wrapped in :class:`~urllib3.exceptions.MaxRetryError` unless - retries are disabled, in which case the causing exception will be raised. - - :param int total: - Total number of retries to allow. Takes precedence over other counts. - - Set to ``None`` to remove this constraint and fall back on other - counts. It's a good idea to set this to some sensibly-high value to - account for unexpected edge cases and avoid infinite retry loops. - - Set to ``0`` to fail on the first retry. - - Set to ``False`` to disable and imply ``raise_on_redirect=False``. - - :param int connect: - How many connection-related errors to retry on. - - These are errors raised before the request is sent to the remote server, - which we assume has not triggered the server to process the request. - - Set to ``0`` to fail on the first retry of this type. - - :param int read: - How many times to retry on read errors. - - These errors are raised after the request was sent to the server, so the - request may have side-effects. - - Set to ``0`` to fail on the first retry of this type. - - :param int redirect: - How many redirects to perform. Limit this to avoid infinite redirect - loops. - - A redirect is a HTTP response with a status code 301, 302, 303, 307 or - 308. - - Set to ``0`` to fail on the first retry of this type. - - Set to ``False`` to disable and imply ``raise_on_redirect=False``. - - :param int status: - How many times to retry on bad status codes. - - These are retries made on responses, where status code matches - ``status_forcelist``. - - Set to ``0`` to fail on the first retry of this type. - - :param iterable method_whitelist: - Set of uppercased HTTP method verbs that we should retry on. - - By default, we only retry on methods which are considered to be - idempotent (multiple requests with the same parameters end with the - same state). See :attr:`Retry.DEFAULT_METHOD_WHITELIST`. - - Set to a ``False`` value to retry on any verb. - - :param iterable status_forcelist: - A set of integer HTTP status codes that we should force a retry on. - A retry is initiated if the request method is in ``method_whitelist`` - and the response status code is in ``status_forcelist``. - - By default, this is disabled with ``None``. - - :param float backoff_factor: - A backoff factor to apply between attempts after the second try - (most errors are resolved immediately by a second try without a - delay). urllib3 will sleep for:: - - {backoff factor} * (2 ^ ({number of total retries} - 1)) - - seconds. If the backoff_factor is 0.1, then :func:`.sleep` will sleep - for [0.0s, 0.2s, 0.4s, ...] between retries. It will never be longer - than :attr:`Retry.BACKOFF_MAX`. - - By default, backoff is disabled (set to 0). - - :param bool raise_on_redirect: Whether, if the number of redirects is - exhausted, to raise a MaxRetryError, or to return a response with a - response code in the 3xx range. - - :param bool raise_on_status: Similar meaning to ``raise_on_redirect``: - whether we should raise an exception, or return a response, - if status falls in ``status_forcelist`` range and retries have - been exhausted. - - :param tuple history: The history of the request encountered during - each call to :meth:`~Retry.increment`. The list is in the order - the requests occurred. Each list item is of class :class:`RequestHistory`. - - :param bool respect_retry_after_header: - Whether to respect Retry-After header on status codes defined as - :attr:`Retry.RETRY_AFTER_STATUS_CODES` or not. - - """ - - DEFAULT_METHOD_WHITELIST = frozenset([ - 'HEAD', 'GET', 'PUT', 'DELETE', 'OPTIONS', 'TRACE']) - - RETRY_AFTER_STATUS_CODES = frozenset([413, 429, 503]) - - #: Maximum backoff time. - BACKOFF_MAX = 120 - - def __init__(self, total=10, connect=None, read=None, redirect=None, status=None, - method_whitelist=DEFAULT_METHOD_WHITELIST, status_forcelist=None, - backoff_factor=0, raise_on_redirect=True, raise_on_status=True, - history=None, respect_retry_after_header=True): - - self.total = total - self.connect = connect - self.read = read - self.status = status - - if redirect is False or total is False: - redirect = 0 - raise_on_redirect = False - - self.redirect = redirect - self.status_forcelist = status_forcelist or set() - self.method_whitelist = method_whitelist - self.backoff_factor = backoff_factor - self.raise_on_redirect = raise_on_redirect - self.raise_on_status = raise_on_status - self.history = history or tuple() - self.respect_retry_after_header = respect_retry_after_header - - def new(self, **kw): - params = dict( - total=self.total, - connect=self.connect, read=self.read, redirect=self.redirect, status=self.status, - method_whitelist=self.method_whitelist, - status_forcelist=self.status_forcelist, - backoff_factor=self.backoff_factor, - raise_on_redirect=self.raise_on_redirect, - raise_on_status=self.raise_on_status, - history=self.history, - ) - params.update(kw) - return type(self)(**params) - - @classmethod - def from_int(cls, retries, redirect=True, default=None): - """ Backwards-compatibility for the old retries format.""" - if retries is None: - retries = default if default is not None else cls.DEFAULT - - if isinstance(retries, Retry): - return retries - - redirect = bool(redirect) and None - new_retries = cls(retries, redirect=redirect) - log.debug("Converted retries value: %r -> %r", retries, new_retries) - return new_retries - - def get_backoff_time(self): - """ Formula for computing the current backoff - - :rtype: float - """ - # We want to consider only the last consecutive errors sequence (Ignore redirects). - consecutive_errors_len = len(list(takewhile(lambda x: x.redirect_location is None, - reversed(self.history)))) - if consecutive_errors_len <= 1: - return 0 - - backoff_value = self.backoff_factor * (2 ** (consecutive_errors_len - 1)) - return min(self.BACKOFF_MAX, backoff_value) - - def parse_retry_after(self, retry_after): - # Whitespace: https://tools.ietf.org/html/rfc7230#section-3.2.4 - if re.match(r"^\s*[0-9]+\s*$", retry_after): - seconds = int(retry_after) - else: - retry_date_tuple = email.utils.parsedate(retry_after) - if retry_date_tuple is None: - raise InvalidHeader("Invalid Retry-After header: %s" % retry_after) - retry_date = time.mktime(retry_date_tuple) - seconds = retry_date - time.time() - - if seconds < 0: - seconds = 0 - - return seconds - - def get_retry_after(self, response): - """ Get the value of Retry-After in seconds. """ - - retry_after = response.getheader("Retry-After") - - if retry_after is None: - return None - - return self.parse_retry_after(retry_after) - - def sleep_for_retry(self, response=None): - retry_after = self.get_retry_after(response) - if retry_after: - time.sleep(retry_after) - return True - - return False - - def _sleep_backoff(self): - backoff = self.get_backoff_time() - if backoff <= 0: - return - time.sleep(backoff) - - def sleep(self, response=None): - """ Sleep between retry attempts. - - This method will respect a server's ``Retry-After`` response header - and sleep the duration of the time requested. If that is not present, it - will use an exponential backoff. By default, the backoff factor is 0 and - this method will return immediately. - """ - - if response: - slept = self.sleep_for_retry(response) - if slept: - return - - self._sleep_backoff() - - def _is_connection_error(self, err): - """ Errors when we're fairly sure that the server did not receive the - request, so it should be safe to retry. - """ - return isinstance(err, ConnectTimeoutError) - - def _is_read_error(self, err): - """ Errors that occur after the request has been started, so we should - assume that the server began processing it. - """ - return isinstance(err, (ReadTimeoutError, ProtocolError)) - - def _is_method_retryable(self, method): - """ Checks if a given HTTP method should be retried upon, depending if - it is included on the method whitelist. - """ - if self.method_whitelist and method.upper() not in self.method_whitelist: - return False - - return True - - def is_retry(self, method, status_code, has_retry_after=False): - """ Is this method/status code retryable? (Based on whitelists and control - variables such as the number of total retries to allow, whether to - respect the Retry-After header, whether this header is present, and - whether the returned status code is on the list of status codes to - be retried upon on the presence of the aforementioned header) - """ - if not self._is_method_retryable(method): - return False - - if self.status_forcelist and status_code in self.status_forcelist: - return True - - return (self.total and self.respect_retry_after_header and - has_retry_after and (status_code in self.RETRY_AFTER_STATUS_CODES)) - - def is_exhausted(self): - """ Are we out of retries? """ - retry_counts = (self.total, self.connect, self.read, self.redirect, self.status) - retry_counts = list(filter(None, retry_counts)) - if not retry_counts: - return False - - return min(retry_counts) < 0 - - def increment(self, method=None, url=None, response=None, error=None, - _pool=None, _stacktrace=None): - """ Return a new Retry object with incremented retry counters. - - :param response: A response object, or None, if the server did not - return a response. - :type response: :class:`~urllib3.response.HTTPResponse` - :param Exception error: An error encountered during the request, or - None if the response was received successfully. - - :return: A new ``Retry`` object. - """ - if self.total is False and error: - # Disabled, indicate to re-raise the error. - raise six.reraise(type(error), error, _stacktrace) - - total = self.total - if total is not None: - total -= 1 - - connect = self.connect - read = self.read - redirect = self.redirect - status_count = self.status - cause = 'unknown' - status = None - redirect_location = None - - if error and self._is_connection_error(error): - # Connect retry? - if connect is False: - raise six.reraise(type(error), error, _stacktrace) - elif connect is not None: - connect -= 1 - - elif error and self._is_read_error(error): - # Read retry? - if read is False or not self._is_method_retryable(method): - raise six.reraise(type(error), error, _stacktrace) - elif read is not None: - read -= 1 - - elif response and response.get_redirect_location(): - # Redirect retry? - if redirect is not None: - redirect -= 1 - cause = 'too many redirects' - redirect_location = response.get_redirect_location() - status = response.status - - else: - # Incrementing because of a server error like a 500 in - # status_forcelist and a the given method is in the whitelist - cause = ResponseError.GENERIC_ERROR - if response and response.status: - if status_count is not None: - status_count -= 1 - cause = ResponseError.SPECIFIC_ERROR.format( - status_code=response.status) - status = response.status - - history = self.history + (RequestHistory(method, url, error, status, redirect_location),) - - new_retry = self.new( - total=total, - connect=connect, read=read, redirect=redirect, status=status_count, - history=history) - - if new_retry.is_exhausted(): - raise MaxRetryError(_pool, url, error or ResponseError(cause)) - - log.debug("Incremented Retry for (url='%s'): %r", url, new_retry) - - return new_retry - - def __repr__(self): - return ('{cls.__name__}(total={self.total}, connect={self.connect}, ' - 'read={self.read}, redirect={self.redirect}, status={self.status})').format( - cls=type(self), self=self) - - -# For backwards compatibility (equivalent to pre-v1.9): -Retry.DEFAULT = Retry(3) diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/selectors.py b/collectors/python.d.plugin/python_modules/urllib3/util/selectors.py deleted file mode 100644 index de5e49838..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/selectors.py +++ /dev/null @@ -1,588 +0,0 @@ -# SPDX-License-Identifier: MIT -# Backport of selectors.py from Python 3.5+ to support Python < 3.4 -# Also has the behavior specified in PEP 475 which is to retry syscalls -# in the case of an EINTR error. This module is required because selectors34 -# does not follow this behavior and instead returns that no dile descriptor -# events have occurred rather than retry the syscall. The decision to drop -# support for select.devpoll is made to maintain 100% test coverage. - -import errno -import math -import select -import socket -import sys -import time - -from collections import namedtuple - -try: - from collections import Mapping -except ImportError: - from collections.abc import Mapping - -try: - monotonic = time.monotonic -except (AttributeError, ImportError): # Python 3.3< - monotonic = time.time - -EVENT_READ = (1 << 0) -EVENT_WRITE = (1 << 1) - -HAS_SELECT = True # Variable that shows whether the platform has a selector. -_SYSCALL_SENTINEL = object() # Sentinel in case a system call returns None. -_DEFAULT_SELECTOR = None - - -class SelectorError(Exception): - def __init__(self, errcode): - super(SelectorError, self).__init__() - self.errno = errcode - - def __repr__(self): - return "<SelectorError errno={0}>".format(self.errno) - - def __str__(self): - return self.__repr__() - - -def _fileobj_to_fd(fileobj): - """ Return a file descriptor from a file object. If - given an integer will simply return that integer back. """ - if isinstance(fileobj, int): - fd = fileobj - else: - try: - fd = int(fileobj.fileno()) - except (AttributeError, TypeError, ValueError): - raise ValueError("Invalid file object: {0!r}".format(fileobj)) - if fd < 0: - raise ValueError("Invalid file descriptor: {0}".format(fd)) - return fd - - -# Determine which function to use to wrap system calls because Python 3.5+ -# already handles the case when system calls are interrupted. -if sys.version_info >= (3, 5): - def _syscall_wrapper(func, _, *args, **kwargs): - """ This is the short-circuit version of the below logic - because in Python 3.5+ all system calls automatically restart - and recalculate their timeouts. """ - try: - return func(*args, **kwargs) - except (OSError, IOError, select.error) as e: - errcode = None - if hasattr(e, "errno"): - errcode = e.errno - raise SelectorError(errcode) -else: - def _syscall_wrapper(func, recalc_timeout, *args, **kwargs): - """ Wrapper function for syscalls that could fail due to EINTR. - All functions should be retried if there is time left in the timeout - in accordance with PEP 475. """ - timeout = kwargs.get("timeout", None) - if timeout is None: - expires = None - recalc_timeout = False - else: - timeout = float(timeout) - if timeout < 0.0: # Timeout less than 0 treated as no timeout. - expires = None - else: - expires = monotonic() + timeout - - args = list(args) - if recalc_timeout and "timeout" not in kwargs: - raise ValueError( - "Timeout must be in args or kwargs to be recalculated") - - result = _SYSCALL_SENTINEL - while result is _SYSCALL_SENTINEL: - try: - result = func(*args, **kwargs) - # OSError is thrown by select.select - # IOError is thrown by select.epoll.poll - # select.error is thrown by select.poll.poll - # Aren't we thankful for Python 3.x rework for exceptions? - except (OSError, IOError, select.error) as e: - # select.error wasn't a subclass of OSError in the past. - errcode = None - if hasattr(e, "errno"): - errcode = e.errno - elif hasattr(e, "args"): - errcode = e.args[0] - - # Also test for the Windows equivalent of EINTR. - is_interrupt = (errcode == errno.EINTR or (hasattr(errno, "WSAEINTR") and - errcode == errno.WSAEINTR)) - - if is_interrupt: - if expires is not None: - current_time = monotonic() - if current_time > expires: - raise OSError(errno=errno.ETIMEDOUT) - if recalc_timeout: - if "timeout" in kwargs: - kwargs["timeout"] = expires - current_time - continue - if errcode: - raise SelectorError(errcode) - else: - raise - return result - - -SelectorKey = namedtuple('SelectorKey', ['fileobj', 'fd', 'events', 'data']) - - -class _SelectorMapping(Mapping): - """ Mapping of file objects to selector keys """ - - def __init__(self, selector): - self._selector = selector - - def __len__(self): - return len(self._selector._fd_to_key) - - def __getitem__(self, fileobj): - try: - fd = self._selector._fileobj_lookup(fileobj) - return self._selector._fd_to_key[fd] - except KeyError: - raise KeyError("{0!r} is not registered.".format(fileobj)) - - def __iter__(self): - return iter(self._selector._fd_to_key) - - -class BaseSelector(object): - """ Abstract Selector class - - A selector supports registering file objects to be monitored - for specific I/O events. - - A file object is a file descriptor or any object with a - `fileno()` method. An arbitrary object can be attached to the - file object which can be used for example to store context info, - a callback, etc. - - A selector can use various implementations (select(), poll(), epoll(), - and kqueue()) depending on the platform. The 'DefaultSelector' class uses - the most efficient implementation for the current platform. - """ - def __init__(self): - # Maps file descriptors to keys. - self._fd_to_key = {} - - # Read-only mapping returned by get_map() - self._map = _SelectorMapping(self) - - def _fileobj_lookup(self, fileobj): - """ Return a file descriptor from a file object. - This wraps _fileobj_to_fd() to do an exhaustive - search in case the object is invalid but we still - have it in our map. Used by unregister() so we can - unregister an object that was previously registered - even if it is closed. It is also used by _SelectorMapping - """ - try: - return _fileobj_to_fd(fileobj) - except ValueError: - - # Search through all our mapped keys. - for key in self._fd_to_key.values(): - if key.fileobj is fileobj: - return key.fd - - # Raise ValueError after all. - raise - - def register(self, fileobj, events, data=None): - """ Register a file object for a set of events to monitor. """ - if (not events) or (events & ~(EVENT_READ | EVENT_WRITE)): - raise ValueError("Invalid events: {0!r}".format(events)) - - key = SelectorKey(fileobj, self._fileobj_lookup(fileobj), events, data) - - if key.fd in self._fd_to_key: - raise KeyError("{0!r} (FD {1}) is already registered" - .format(fileobj, key.fd)) - - self._fd_to_key[key.fd] = key - return key - - def unregister(self, fileobj): - """ Unregister a file object from being monitored. """ - try: - key = self._fd_to_key.pop(self._fileobj_lookup(fileobj)) - except KeyError: - raise KeyError("{0!r} is not registered".format(fileobj)) - - # Getting the fileno of a closed socket on Windows errors with EBADF. - except socket.error as e: # Platform-specific: Windows. - if e.errno != errno.EBADF: - raise - else: - for key in self._fd_to_key.values(): - if key.fileobj is fileobj: - self._fd_to_key.pop(key.fd) - break - else: - raise KeyError("{0!r} is not registered".format(fileobj)) - return key - - def modify(self, fileobj, events, data=None): - """ Change a registered file object monitored events and data. """ - # NOTE: Some subclasses optimize this operation even further. - try: - key = self._fd_to_key[self._fileobj_lookup(fileobj)] - except KeyError: - raise KeyError("{0!r} is not registered".format(fileobj)) - - if events != key.events: - self.unregister(fileobj) - key = self.register(fileobj, events, data) - - elif data != key.data: - # Use a shortcut to update the data. - key = key._replace(data=data) - self._fd_to_key[key.fd] = key - - return key - - def select(self, timeout=None): - """ Perform the actual selection until some monitored file objects - are ready or the timeout expires. """ - raise NotImplementedError() - - def close(self): - """ Close the selector. This must be called to ensure that all - underlying resources are freed. """ - self._fd_to_key.clear() - self._map = None - - def get_key(self, fileobj): - """ Return the key associated with a registered file object. """ - mapping = self.get_map() - if mapping is None: - raise RuntimeError("Selector is closed") - try: - return mapping[fileobj] - except KeyError: - raise KeyError("{0!r} is not registered".format(fileobj)) - - def get_map(self): - """ Return a mapping of file objects to selector keys """ - return self._map - - def _key_from_fd(self, fd): - """ Return the key associated to a given file descriptor - Return None if it is not found. """ - try: - return self._fd_to_key[fd] - except KeyError: - return None - - def __enter__(self): - return self - - def __exit__(self, *args): - self.close() - - -# Almost all platforms have select.select() -if hasattr(select, "select"): - class SelectSelector(BaseSelector): - """ Select-based selector. """ - def __init__(self): - super(SelectSelector, self).__init__() - self._readers = set() - self._writers = set() - - def register(self, fileobj, events, data=None): - key = super(SelectSelector, self).register(fileobj, events, data) - if events & EVENT_READ: - self._readers.add(key.fd) - if events & EVENT_WRITE: - self._writers.add(key.fd) - return key - - def unregister(self, fileobj): - key = super(SelectSelector, self).unregister(fileobj) - self._readers.discard(key.fd) - self._writers.discard(key.fd) - return key - - def _select(self, r, w, timeout=None): - """ Wrapper for select.select because timeout is a positional arg """ - return select.select(r, w, [], timeout) - - def select(self, timeout=None): - # Selecting on empty lists on Windows errors out. - if not len(self._readers) and not len(self._writers): - return [] - - timeout = None if timeout is None else max(timeout, 0.0) - ready = [] - r, w, _ = _syscall_wrapper(self._select, True, self._readers, - self._writers, timeout) - r = set(r) - w = set(w) - for fd in r | w: - events = 0 - if fd in r: - events |= EVENT_READ - if fd in w: - events |= EVENT_WRITE - - key = self._key_from_fd(fd) - if key: - ready.append((key, events & key.events)) - return ready - - -if hasattr(select, "poll"): - class PollSelector(BaseSelector): - """ Poll-based selector """ - def __init__(self): - super(PollSelector, self).__init__() - self._poll = select.poll() - - def register(self, fileobj, events, data=None): - key = super(PollSelector, self).register(fileobj, events, data) - event_mask = 0 - if events & EVENT_READ: - event_mask |= select.POLLIN - if events & EVENT_WRITE: - event_mask |= select.POLLOUT - self._poll.register(key.fd, event_mask) - return key - - def unregister(self, fileobj): - key = super(PollSelector, self).unregister(fileobj) - self._poll.unregister(key.fd) - return key - - def _wrap_poll(self, timeout=None): - """ Wrapper function for select.poll.poll() so that - _syscall_wrapper can work with only seconds. """ - if timeout is not None: - if timeout <= 0: - timeout = 0 - else: - # select.poll.poll() has a resolution of 1 millisecond, - # round away from zero to wait *at least* timeout seconds. - timeout = math.ceil(timeout * 1e3) - - result = self._poll.poll(timeout) - return result - - def select(self, timeout=None): - ready = [] - fd_events = _syscall_wrapper(self._wrap_poll, True, timeout=timeout) - for fd, event_mask in fd_events: - events = 0 - if event_mask & ~select.POLLIN: - events |= EVENT_WRITE - if event_mask & ~select.POLLOUT: - events |= EVENT_READ - - key = self._key_from_fd(fd) - if key: - ready.append((key, events & key.events)) - - return ready - - -if hasattr(select, "epoll"): - class EpollSelector(BaseSelector): - """ Epoll-based selector """ - def __init__(self): - super(EpollSelector, self).__init__() - self._epoll = select.epoll() - - def fileno(self): - return self._epoll.fileno() - - def register(self, fileobj, events, data=None): - key = super(EpollSelector, self).register(fileobj, events, data) - events_mask = 0 - if events & EVENT_READ: - events_mask |= select.EPOLLIN - if events & EVENT_WRITE: - events_mask |= select.EPOLLOUT - _syscall_wrapper(self._epoll.register, False, key.fd, events_mask) - return key - - def unregister(self, fileobj): - key = super(EpollSelector, self).unregister(fileobj) - try: - _syscall_wrapper(self._epoll.unregister, False, key.fd) - except SelectorError: - # This can occur when the fd was closed since registry. - pass - return key - - def select(self, timeout=None): - if timeout is not None: - if timeout <= 0: - timeout = 0.0 - else: - # select.epoll.poll() has a resolution of 1 millisecond - # but luckily takes seconds so we don't need a wrapper - # like PollSelector. Just for better rounding. - timeout = math.ceil(timeout * 1e3) * 1e-3 - timeout = float(timeout) - else: - timeout = -1.0 # epoll.poll() must have a float. - - # We always want at least 1 to ensure that select can be called - # with no file descriptors registered. Otherwise will fail. - max_events = max(len(self._fd_to_key), 1) - - ready = [] - fd_events = _syscall_wrapper(self._epoll.poll, True, - timeout=timeout, - maxevents=max_events) - for fd, event_mask in fd_events: - events = 0 - if event_mask & ~select.EPOLLIN: - events |= EVENT_WRITE - if event_mask & ~select.EPOLLOUT: - events |= EVENT_READ - - key = self._key_from_fd(fd) - if key: - ready.append((key, events & key.events)) - return ready - - def close(self): - self._epoll.close() - super(EpollSelector, self).close() - - -if hasattr(select, "kqueue"): - class KqueueSelector(BaseSelector): - """ Kqueue / Kevent-based selector """ - def __init__(self): - super(KqueueSelector, self).__init__() - self._kqueue = select.kqueue() - - def fileno(self): - return self._kqueue.fileno() - - def register(self, fileobj, events, data=None): - key = super(KqueueSelector, self).register(fileobj, events, data) - if events & EVENT_READ: - kevent = select.kevent(key.fd, - select.KQ_FILTER_READ, - select.KQ_EV_ADD) - - _syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0) - - if events & EVENT_WRITE: - kevent = select.kevent(key.fd, - select.KQ_FILTER_WRITE, - select.KQ_EV_ADD) - - _syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0) - - return key - - def unregister(self, fileobj): - key = super(KqueueSelector, self).unregister(fileobj) - if key.events & EVENT_READ: - kevent = select.kevent(key.fd, - select.KQ_FILTER_READ, - select.KQ_EV_DELETE) - try: - _syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0) - except SelectorError: - pass - if key.events & EVENT_WRITE: - kevent = select.kevent(key.fd, - select.KQ_FILTER_WRITE, - select.KQ_EV_DELETE) - try: - _syscall_wrapper(self._kqueue.control, False, [kevent], 0, 0) - except SelectorError: - pass - - return key - - def select(self, timeout=None): - if timeout is not None: - timeout = max(timeout, 0) - - max_events = len(self._fd_to_key) * 2 - ready_fds = {} - - kevent_list = _syscall_wrapper(self._kqueue.control, True, - None, max_events, timeout) - - for kevent in kevent_list: - fd = kevent.ident - event_mask = kevent.filter - events = 0 - if event_mask == select.KQ_FILTER_READ: - events |= EVENT_READ - if event_mask == select.KQ_FILTER_WRITE: - events |= EVENT_WRITE - - key = self._key_from_fd(fd) - if key: - if key.fd not in ready_fds: - ready_fds[key.fd] = (key, events & key.events) - else: - old_events = ready_fds[key.fd][1] - ready_fds[key.fd] = (key, (events | old_events) & key.events) - - return list(ready_fds.values()) - - def close(self): - self._kqueue.close() - super(KqueueSelector, self).close() - - -if not hasattr(select, 'select'): # Platform-specific: AppEngine - HAS_SELECT = False - - -def _can_allocate(struct): - """ Checks that select structs can be allocated by the underlying - operating system, not just advertised by the select module. We don't - check select() because we'll be hopeful that most platforms that - don't have it available will not advertise it. (ie: GAE) """ - try: - # select.poll() objects won't fail until used. - if struct == 'poll': - p = select.poll() - p.poll(0) - - # All others will fail on allocation. - else: - getattr(select, struct)().close() - return True - except (OSError, AttributeError) as e: - return False - - -# Choose the best implementation, roughly: -# kqueue == epoll > poll > select. Devpoll not supported. (See above) -# select() also can't accept a FD > FD_SETSIZE (usually around 1024) -def DefaultSelector(): - """ This function serves as a first call for DefaultSelector to - detect if the select module is being monkey-patched incorrectly - by eventlet, greenlet, and preserve proper behavior. """ - global _DEFAULT_SELECTOR - if _DEFAULT_SELECTOR is None: - if _can_allocate('kqueue'): - _DEFAULT_SELECTOR = KqueueSelector - elif _can_allocate('epoll'): - _DEFAULT_SELECTOR = EpollSelector - elif _can_allocate('poll'): - _DEFAULT_SELECTOR = PollSelector - elif hasattr(select, 'select'): - _DEFAULT_SELECTOR = SelectSelector - else: # Platform-specific: AppEngine - raise ValueError('Platform does not have a selector') - return _DEFAULT_SELECTOR() diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/ssl_.py b/collectors/python.d.plugin/python_modules/urllib3/util/ssl_.py deleted file mode 100644 index ece3ec39e..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/ssl_.py +++ /dev/null @@ -1,338 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -import errno -import warnings -import hmac - -from binascii import hexlify, unhexlify -from hashlib import md5, sha1, sha256 - -from ..exceptions import SSLError, InsecurePlatformWarning, SNIMissingWarning - - -SSLContext = None -HAS_SNI = False -IS_PYOPENSSL = False -IS_SECURETRANSPORT = False - -# Maps the length of a digest to a possible hash function producing this digest -HASHFUNC_MAP = { - 32: md5, - 40: sha1, - 64: sha256, -} - - -def _const_compare_digest_backport(a, b): - """ - Compare two digests of equal length in constant time. - - The digests must be of type str/bytes. - Returns True if the digests match, and False otherwise. - """ - result = abs(len(a) - len(b)) - for l, r in zip(bytearray(a), bytearray(b)): - result |= l ^ r - return result == 0 - - -_const_compare_digest = getattr(hmac, 'compare_digest', - _const_compare_digest_backport) - - -try: # Test for SSL features - import ssl - from ssl import wrap_socket, CERT_NONE, PROTOCOL_SSLv23 - from ssl import HAS_SNI # Has SNI? -except ImportError: - pass - - -try: - from ssl import OP_NO_SSLv2, OP_NO_SSLv3, OP_NO_COMPRESSION -except ImportError: - OP_NO_SSLv2, OP_NO_SSLv3 = 0x1000000, 0x2000000 - OP_NO_COMPRESSION = 0x20000 - -# A secure default. -# Sources for more information on TLS ciphers: -# -# - https://wiki.mozilla.org/Security/Server_Side_TLS -# - https://www.ssllabs.com/projects/best-practices/index.html -# - https://hynek.me/articles/hardening-your-web-servers-ssl-ciphers/ -# -# The general intent is: -# - Prefer cipher suites that offer perfect forward secrecy (DHE/ECDHE), -# - prefer ECDHE over DHE for better performance, -# - prefer any AES-GCM and ChaCha20 over any AES-CBC for better performance and -# security, -# - prefer AES-GCM over ChaCha20 because hardware-accelerated AES is common, -# - disable NULL authentication, MD5 MACs and DSS for security reasons. -DEFAULT_CIPHERS = ':'.join([ - 'ECDH+AESGCM', - 'ECDH+CHACHA20', - 'DH+AESGCM', - 'DH+CHACHA20', - 'ECDH+AES256', - 'DH+AES256', - 'ECDH+AES128', - 'DH+AES', - 'RSA+AESGCM', - 'RSA+AES', - '!aNULL', - '!eNULL', - '!MD5', -]) - -try: - from ssl import SSLContext # Modern SSL? -except ImportError: - import sys - - class SSLContext(object): # Platform-specific: Python 2 & 3.1 - supports_set_ciphers = ((2, 7) <= sys.version_info < (3,) or - (3, 2) <= sys.version_info) - - def __init__(self, protocol_version): - self.protocol = protocol_version - # Use default values from a real SSLContext - self.check_hostname = False - self.verify_mode = ssl.CERT_NONE - self.ca_certs = None - self.options = 0 - self.certfile = None - self.keyfile = None - self.ciphers = None - - def load_cert_chain(self, certfile, keyfile): - self.certfile = certfile - self.keyfile = keyfile - - def load_verify_locations(self, cafile=None, capath=None): - self.ca_certs = cafile - - if capath is not None: - raise SSLError("CA directories not supported in older Pythons") - - def set_ciphers(self, cipher_suite): - if not self.supports_set_ciphers: - raise TypeError( - 'Your version of Python does not support setting ' - 'a custom cipher suite. Please upgrade to Python ' - '2.7, 3.2, or later if you need this functionality.' - ) - self.ciphers = cipher_suite - - def wrap_socket(self, socket, server_hostname=None, server_side=False): - warnings.warn( - 'A true SSLContext object is not available. This prevents ' - 'urllib3 from configuring SSL appropriately and may cause ' - 'certain SSL connections to fail. You can upgrade to a newer ' - 'version of Python to solve this. For more information, see ' - 'https://urllib3.readthedocs.io/en/latest/advanced-usage.html' - '#ssl-warnings', - InsecurePlatformWarning - ) - kwargs = { - 'keyfile': self.keyfile, - 'certfile': self.certfile, - 'ca_certs': self.ca_certs, - 'cert_reqs': self.verify_mode, - 'ssl_version': self.protocol, - 'server_side': server_side, - } - if self.supports_set_ciphers: # Platform-specific: Python 2.7+ - return wrap_socket(socket, ciphers=self.ciphers, **kwargs) - else: # Platform-specific: Python 2.6 - return wrap_socket(socket, **kwargs) - - -def assert_fingerprint(cert, fingerprint): - """ - Checks if given fingerprint matches the supplied certificate. - - :param cert: - Certificate as bytes object. - :param fingerprint: - Fingerprint as string of hexdigits, can be interspersed by colons. - """ - - fingerprint = fingerprint.replace(':', '').lower() - digest_length = len(fingerprint) - hashfunc = HASHFUNC_MAP.get(digest_length) - if not hashfunc: - raise SSLError( - 'Fingerprint of invalid length: {0}'.format(fingerprint)) - - # We need encode() here for py32; works on py2 and p33. - fingerprint_bytes = unhexlify(fingerprint.encode()) - - cert_digest = hashfunc(cert).digest() - - if not _const_compare_digest(cert_digest, fingerprint_bytes): - raise SSLError('Fingerprints did not match. Expected "{0}", got "{1}".' - .format(fingerprint, hexlify(cert_digest))) - - -def resolve_cert_reqs(candidate): - """ - Resolves the argument to a numeric constant, which can be passed to - the wrap_socket function/method from the ssl module. - Defaults to :data:`ssl.CERT_NONE`. - If given a string it is assumed to be the name of the constant in the - :mod:`ssl` module or its abbrevation. - (So you can specify `REQUIRED` instead of `CERT_REQUIRED`. - If it's neither `None` nor a string we assume it is already the numeric - constant which can directly be passed to wrap_socket. - """ - if candidate is None: - return CERT_NONE - - if isinstance(candidate, str): - res = getattr(ssl, candidate, None) - if res is None: - res = getattr(ssl, 'CERT_' + candidate) - return res - - return candidate - - -def resolve_ssl_version(candidate): - """ - like resolve_cert_reqs - """ - if candidate is None: - return PROTOCOL_SSLv23 - - if isinstance(candidate, str): - res = getattr(ssl, candidate, None) - if res is None: - res = getattr(ssl, 'PROTOCOL_' + candidate) - return res - - return candidate - - -def create_urllib3_context(ssl_version=None, cert_reqs=None, - options=None, ciphers=None): - """All arguments have the same meaning as ``ssl_wrap_socket``. - - By default, this function does a lot of the same work that - ``ssl.create_default_context`` does on Python 3.4+. It: - - - Disables SSLv2, SSLv3, and compression - - Sets a restricted set of server ciphers - - If you wish to enable SSLv3, you can do:: - - from urllib3.util import ssl_ - context = ssl_.create_urllib3_context() - context.options &= ~ssl_.OP_NO_SSLv3 - - You can do the same to enable compression (substituting ``COMPRESSION`` - for ``SSLv3`` in the last line above). - - :param ssl_version: - The desired protocol version to use. This will default to - PROTOCOL_SSLv23 which will negotiate the highest protocol that both - the server and your installation of OpenSSL support. - :param cert_reqs: - Whether to require the certificate verification. This defaults to - ``ssl.CERT_REQUIRED``. - :param options: - Specific OpenSSL options. These default to ``ssl.OP_NO_SSLv2``, - ``ssl.OP_NO_SSLv3``, ``ssl.OP_NO_COMPRESSION``. - :param ciphers: - Which cipher suites to allow the server to select. - :returns: - Constructed SSLContext object with specified options - :rtype: SSLContext - """ - context = SSLContext(ssl_version or ssl.PROTOCOL_SSLv23) - - # Setting the default here, as we may have no ssl module on import - cert_reqs = ssl.CERT_REQUIRED if cert_reqs is None else cert_reqs - - if options is None: - options = 0 - # SSLv2 is easily broken and is considered harmful and dangerous - options |= OP_NO_SSLv2 - # SSLv3 has several problems and is now dangerous - options |= OP_NO_SSLv3 - # Disable compression to prevent CRIME attacks for OpenSSL 1.0+ - # (issue #309) - options |= OP_NO_COMPRESSION - - context.options |= options - - if getattr(context, 'supports_set_ciphers', True): # Platform-specific: Python 2.6 - context.set_ciphers(ciphers or DEFAULT_CIPHERS) - - context.verify_mode = cert_reqs - if getattr(context, 'check_hostname', None) is not None: # Platform-specific: Python 3.2 - # We do our own verification, including fingerprints and alternative - # hostnames. So disable it here - context.check_hostname = False - return context - - -def ssl_wrap_socket(sock, keyfile=None, certfile=None, cert_reqs=None, - ca_certs=None, server_hostname=None, - ssl_version=None, ciphers=None, ssl_context=None, - ca_cert_dir=None): - """ - All arguments except for server_hostname, ssl_context, and ca_cert_dir have - the same meaning as they do when using :func:`ssl.wrap_socket`. - - :param server_hostname: - When SNI is supported, the expected hostname of the certificate - :param ssl_context: - A pre-made :class:`SSLContext` object. If none is provided, one will - be created using :func:`create_urllib3_context`. - :param ciphers: - A string of ciphers we wish the client to support. This is not - supported on Python 2.6 as the ssl module does not support it. - :param ca_cert_dir: - A directory containing CA certificates in multiple separate files, as - supported by OpenSSL's -CApath flag or the capath argument to - SSLContext.load_verify_locations(). - """ - context = ssl_context - if context is None: - # Note: This branch of code and all the variables in it are no longer - # used by urllib3 itself. We should consider deprecating and removing - # this code. - context = create_urllib3_context(ssl_version, cert_reqs, - ciphers=ciphers) - - if ca_certs or ca_cert_dir: - try: - context.load_verify_locations(ca_certs, ca_cert_dir) - except IOError as e: # Platform-specific: Python 2.6, 2.7, 3.2 - raise SSLError(e) - # Py33 raises FileNotFoundError which subclasses OSError - # These are not equivalent unless we check the errno attribute - except OSError as e: # Platform-specific: Python 3.3 and beyond - if e.errno == errno.ENOENT: - raise SSLError(e) - raise - elif getattr(context, 'load_default_certs', None) is not None: - # try to load OS default certs; works well on Windows (require Python3.4+) - context.load_default_certs() - - if certfile: - context.load_cert_chain(certfile, keyfile) - if HAS_SNI: # Platform-specific: OpenSSL with enabled SNI - return context.wrap_socket(sock, server_hostname=server_hostname) - - warnings.warn( - 'An HTTPS request has been made, but the SNI (Subject Name ' - 'Indication) extension to TLS is not available on this platform. ' - 'This may cause the server to present an incorrect TLS ' - 'certificate, which can cause validation failures. You can upgrade to ' - 'a newer version of Python to solve this. For more information, see ' - 'https://urllib3.readthedocs.io/en/latest/advanced-usage.html' - '#ssl-warnings', - SNIMissingWarning - ) - return context.wrap_socket(sock) diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/timeout.py b/collectors/python.d.plugin/python_modules/urllib3/util/timeout.py deleted file mode 100644 index 4041cf9b9..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/timeout.py +++ /dev/null @@ -1,243 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -# The default socket timeout, used by httplib to indicate that no timeout was -# specified by the user -from socket import _GLOBAL_DEFAULT_TIMEOUT -import time - -from ..exceptions import TimeoutStateError - -# A sentinel value to indicate that no timeout was specified by the user in -# urllib3 -_Default = object() - - -# Use time.monotonic if available. -current_time = getattr(time, "monotonic", time.time) - - -class Timeout(object): - """ Timeout configuration. - - Timeouts can be defined as a default for a pool:: - - timeout = Timeout(connect=2.0, read=7.0) - http = PoolManager(timeout=timeout) - response = http.request('GET', 'http://example.com/') - - Or per-request (which overrides the default for the pool):: - - response = http.request('GET', 'http://example.com/', timeout=Timeout(10)) - - Timeouts can be disabled by setting all the parameters to ``None``:: - - no_timeout = Timeout(connect=None, read=None) - response = http.request('GET', 'http://example.com/, timeout=no_timeout) - - - :param total: - This combines the connect and read timeouts into one; the read timeout - will be set to the time leftover from the connect attempt. In the - event that both a connect timeout and a total are specified, or a read - timeout and a total are specified, the shorter timeout will be applied. - - Defaults to None. - - :type total: integer, float, or None - - :param connect: - The maximum amount of time to wait for a connection attempt to a server - to succeed. Omitting the parameter will default the connect timeout to - the system default, probably `the global default timeout in socket.py - <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_. - None will set an infinite timeout for connection attempts. - - :type connect: integer, float, or None - - :param read: - The maximum amount of time to wait between consecutive - read operations for a response from the server. Omitting - the parameter will default the read timeout to the system - default, probably `the global default timeout in socket.py - <http://hg.python.org/cpython/file/603b4d593758/Lib/socket.py#l535>`_. - None will set an infinite timeout. - - :type read: integer, float, or None - - .. note:: - - Many factors can affect the total amount of time for urllib3 to return - an HTTP response. - - For example, Python's DNS resolver does not obey the timeout specified - on the socket. Other factors that can affect total request time include - high CPU load, high swap, the program running at a low priority level, - or other behaviors. - - In addition, the read and total timeouts only measure the time between - read operations on the socket connecting the client and the server, - not the total amount of time for the request to return a complete - response. For most requests, the timeout is raised because the server - has not sent the first byte in the specified time. This is not always - the case; if a server streams one byte every fifteen seconds, a timeout - of 20 seconds will not trigger, even though the request will take - several minutes to complete. - - If your goal is to cut off any request after a set amount of wall clock - time, consider having a second "watcher" thread to cut off a slow - request. - """ - - #: A sentinel object representing the default timeout value - DEFAULT_TIMEOUT = _GLOBAL_DEFAULT_TIMEOUT - - def __init__(self, total=None, connect=_Default, read=_Default): - self._connect = self._validate_timeout(connect, 'connect') - self._read = self._validate_timeout(read, 'read') - self.total = self._validate_timeout(total, 'total') - self._start_connect = None - - def __str__(self): - return '%s(connect=%r, read=%r, total=%r)' % ( - type(self).__name__, self._connect, self._read, self.total) - - @classmethod - def _validate_timeout(cls, value, name): - """ Check that a timeout attribute is valid. - - :param value: The timeout value to validate - :param name: The name of the timeout attribute to validate. This is - used to specify in error messages. - :return: The validated and casted version of the given value. - :raises ValueError: If it is a numeric value less than or equal to - zero, or the type is not an integer, float, or None. - """ - if value is _Default: - return cls.DEFAULT_TIMEOUT - - if value is None or value is cls.DEFAULT_TIMEOUT: - return value - - if isinstance(value, bool): - raise ValueError("Timeout cannot be a boolean value. It must " - "be an int, float or None.") - try: - float(value) - except (TypeError, ValueError): - raise ValueError("Timeout value %s was %s, but it must be an " - "int, float or None." % (name, value)) - - try: - if value <= 0: - raise ValueError("Attempted to set %s timeout to %s, but the " - "timeout cannot be set to a value less " - "than or equal to 0." % (name, value)) - except TypeError: # Python 3 - raise ValueError("Timeout value %s was %s, but it must be an " - "int, float or None." % (name, value)) - - return value - - @classmethod - def from_float(cls, timeout): - """ Create a new Timeout from a legacy timeout value. - - The timeout value used by httplib.py sets the same timeout on the - connect(), and recv() socket requests. This creates a :class:`Timeout` - object that sets the individual timeouts to the ``timeout`` value - passed to this function. - - :param timeout: The legacy timeout value. - :type timeout: integer, float, sentinel default object, or None - :return: Timeout object - :rtype: :class:`Timeout` - """ - return Timeout(read=timeout, connect=timeout) - - def clone(self): - """ Create a copy of the timeout object - - Timeout properties are stored per-pool but each request needs a fresh - Timeout object to ensure each one has its own start/stop configured. - - :return: a copy of the timeout object - :rtype: :class:`Timeout` - """ - # We can't use copy.deepcopy because that will also create a new object - # for _GLOBAL_DEFAULT_TIMEOUT, which socket.py uses as a sentinel to - # detect the user default. - return Timeout(connect=self._connect, read=self._read, - total=self.total) - - def start_connect(self): - """ Start the timeout clock, used during a connect() attempt - - :raises urllib3.exceptions.TimeoutStateError: if you attempt - to start a timer that has been started already. - """ - if self._start_connect is not None: - raise TimeoutStateError("Timeout timer has already been started.") - self._start_connect = current_time() - return self._start_connect - - def get_connect_duration(self): - """ Gets the time elapsed since the call to :meth:`start_connect`. - - :return: Elapsed time. - :rtype: float - :raises urllib3.exceptions.TimeoutStateError: if you attempt - to get duration for a timer that hasn't been started. - """ - if self._start_connect is None: - raise TimeoutStateError("Can't get connect duration for timer " - "that has not started.") - return current_time() - self._start_connect - - @property - def connect_timeout(self): - """ Get the value to use when setting a connection timeout. - - This will be a positive float or integer, the value None - (never timeout), or the default system timeout. - - :return: Connect timeout. - :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None - """ - if self.total is None: - return self._connect - - if self._connect is None or self._connect is self.DEFAULT_TIMEOUT: - return self.total - - return min(self._connect, self.total) - - @property - def read_timeout(self): - """ Get the value for the read timeout. - - This assumes some time has elapsed in the connection timeout and - computes the read timeout appropriately. - - If self.total is set, the read timeout is dependent on the amount of - time taken by the connect timeout. If the connection time has not been - established, a :exc:`~urllib3.exceptions.TimeoutStateError` will be - raised. - - :return: Value to use for the read timeout. - :rtype: int, float, :attr:`Timeout.DEFAULT_TIMEOUT` or None - :raises urllib3.exceptions.TimeoutStateError: If :meth:`start_connect` - has not yet been called on this object. - """ - if (self.total is not None and - self.total is not self.DEFAULT_TIMEOUT and - self._read is not None and - self._read is not self.DEFAULT_TIMEOUT): - # In case the connect timeout has not yet been established. - if self._start_connect is None: - return self._read - return max(0, min(self.total - self.get_connect_duration(), - self._read)) - elif self.total is not None and self.total is not self.DEFAULT_TIMEOUT: - return max(0, self.total - self.get_connect_duration()) - else: - return self._read diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/url.py b/collectors/python.d.plugin/python_modules/urllib3/util/url.py deleted file mode 100644 index 99fd6534a..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/url.py +++ /dev/null @@ -1,231 +0,0 @@ -# SPDX-License-Identifier: MIT -from __future__ import absolute_import -from collections import namedtuple - -from ..exceptions import LocationParseError - - -url_attrs = ['scheme', 'auth', 'host', 'port', 'path', 'query', 'fragment'] - -# We only want to normalize urls with an HTTP(S) scheme. -# urllib3 infers URLs without a scheme (None) to be http. -NORMALIZABLE_SCHEMES = ('http', 'https', None) - - -class Url(namedtuple('Url', url_attrs)): - """ - Datastructure for representing an HTTP URL. Used as a return value for - :func:`parse_url`. Both the scheme and host are normalized as they are - both case-insensitive according to RFC 3986. - """ - __slots__ = () - - def __new__(cls, scheme=None, auth=None, host=None, port=None, path=None, - query=None, fragment=None): - if path and not path.startswith('/'): - path = '/' + path - if scheme: - scheme = scheme.lower() - if host and scheme in NORMALIZABLE_SCHEMES: - host = host.lower() - return super(Url, cls).__new__(cls, scheme, auth, host, port, path, - query, fragment) - - @property - def hostname(self): - """For backwards-compatibility with urlparse. We're nice like that.""" - return self.host - - @property - def request_uri(self): - """Absolute path including the query string.""" - uri = self.path or '/' - - if self.query is not None: - uri += '?' + self.query - - return uri - - @property - def netloc(self): - """Network location including host and port""" - if self.port: - return '%s:%d' % (self.host, self.port) - return self.host - - @property - def url(self): - """ - Convert self into a url - - This function should more or less round-trip with :func:`.parse_url`. The - returned url may not be exactly the same as the url inputted to - :func:`.parse_url`, but it should be equivalent by the RFC (e.g., urls - with a blank port will have : removed). - - Example: :: - - >>> U = parse_url('http://google.com/mail/') - >>> U.url - 'http://google.com/mail/' - >>> Url('http', 'username:password', 'host.com', 80, - ... '/path', 'query', 'fragment').url - 'http://username:password@host.com:80/path?query#fragment' - """ - scheme, auth, host, port, path, query, fragment = self - url = '' - - # We use "is not None" we want things to happen with empty strings (or 0 port) - if scheme is not None: - url += scheme + '://' - if auth is not None: - url += auth + '@' - if host is not None: - url += host - if port is not None: - url += ':' + str(port) - if path is not None: - url += path - if query is not None: - url += '?' + query - if fragment is not None: - url += '#' + fragment - - return url - - def __str__(self): - return self.url - - -def split_first(s, delims): - """ - Given a string and an iterable of delimiters, split on the first found - delimiter. Return two split parts and the matched delimiter. - - If not found, then the first part is the full input string. - - Example:: - - >>> split_first('foo/bar?baz', '?/=') - ('foo', 'bar?baz', '/') - >>> split_first('foo/bar?baz', '123') - ('foo/bar?baz', '', None) - - Scales linearly with number of delims. Not ideal for large number of delims. - """ - min_idx = None - min_delim = None - for d in delims: - idx = s.find(d) - if idx < 0: - continue - - if min_idx is None or idx < min_idx: - min_idx = idx - min_delim = d - - if min_idx is None or min_idx < 0: - return s, '', None - - return s[:min_idx], s[min_idx + 1:], min_delim - - -def parse_url(url): - """ - Given a url, return a parsed :class:`.Url` namedtuple. Best-effort is - performed to parse incomplete urls. Fields not provided will be None. - - Partly backwards-compatible with :mod:`urlparse`. - - Example:: - - >>> parse_url('http://google.com/mail/') - Url(scheme='http', host='google.com', port=None, path='/mail/', ...) - >>> parse_url('google.com:80') - Url(scheme=None, host='google.com', port=80, path=None, ...) - >>> parse_url('/foo?bar') - Url(scheme=None, host=None, port=None, path='/foo', query='bar', ...) - """ - - # While this code has overlap with stdlib's urlparse, it is much - # simplified for our needs and less annoying. - # Additionally, this implementations does silly things to be optimal - # on CPython. - - if not url: - # Empty - return Url() - - scheme = None - auth = None - host = None - port = None - path = None - fragment = None - query = None - - # Scheme - if '://' in url: - scheme, url = url.split('://', 1) - - # Find the earliest Authority Terminator - # (http://tools.ietf.org/html/rfc3986#section-3.2) - url, path_, delim = split_first(url, ['/', '?', '#']) - - if delim: - # Reassemble the path - path = delim + path_ - - # Auth - if '@' in url: - # Last '@' denotes end of auth part - auth, url = url.rsplit('@', 1) - - # IPv6 - if url and url[0] == '[': - host, url = url.split(']', 1) - host += ']' - - # Port - if ':' in url: - _host, port = url.split(':', 1) - - if not host: - host = _host - - if port: - # If given, ports must be integers. No whitespace, no plus or - # minus prefixes, no non-integer digits such as ^2 (superscript). - if not port.isdigit(): - raise LocationParseError(url) - try: - port = int(port) - except ValueError: - raise LocationParseError(url) - else: - # Blank ports are cool, too. (rfc3986#section-3.2.3) - port = None - - elif not host and url: - host = url - - if not path: - return Url(scheme, auth, host, port, path, query, fragment) - - # Fragment - if '#' in path: - path, fragment = path.split('#', 1) - - # Query - if '?' in path: - path, query = path.split('?', 1) - - return Url(scheme, auth, host, port, path, query, fragment) - - -def get_host(url): - """ - Deprecated. Use :func:`parse_url` instead. - """ - p = parse_url(url) - return p.scheme or 'http', p.hostname, p.port diff --git a/collectors/python.d.plugin/python_modules/urllib3/util/wait.py b/collectors/python.d.plugin/python_modules/urllib3/util/wait.py deleted file mode 100644 index 21e72979c..000000000 --- a/collectors/python.d.plugin/python_modules/urllib3/util/wait.py +++ /dev/null @@ -1,41 +0,0 @@ -# SPDX-License-Identifier: MIT -from .selectors import ( - HAS_SELECT, - DefaultSelector, - EVENT_READ, - EVENT_WRITE -) - - -def _wait_for_io_events(socks, events, timeout=None): - """ Waits for IO events to be available from a list of sockets - or optionally a single socket if passed in. Returns a list of - sockets that can be interacted with immediately. """ - if not HAS_SELECT: - raise ValueError('Platform does not have a selector') - if not isinstance(socks, list): - # Probably just a single socket. - if hasattr(socks, "fileno"): - socks = [socks] - # Otherwise it might be a non-list iterable. - else: - socks = list(socks) - with DefaultSelector() as selector: - for sock in socks: - selector.register(sock, events) - return [key[0].fileobj for key in - selector.select(timeout) if key[1] & events] - - -def wait_for_read(socks, timeout=None): - """ Waits for reading to be available from a list of sockets - or optionally a single socket if passed in. Returns a list of - sockets that can be read from immediately. """ - return _wait_for_io_events(socks, EVENT_READ, timeout) - - -def wait_for_write(socks, timeout=None): - """ Waits for writing to be available from a list of sockets - or optionally a single socket if passed in. Returns a list of - sockets that can be written to immediately. """ - return _wait_for_io_events(socks, EVENT_WRITE, timeout) |