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Diffstat (limited to 'third_party/python/requests/requests/__init__.py')
| -rw-r--r-- | third_party/python/requests/requests/__init__.py | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/third_party/python/requests/requests/__init__.py b/third_party/python/requests/requests/__init__.py new file mode 100644 index 0000000000..300a16c574 --- /dev/null +++ b/third_party/python/requests/requests/__init__.py @@ -0,0 +1,180 @@ +# __ +# /__) _ _ _ _ _/ _ +# / ( (- (/ (/ (- _) / _) +# / + +""" +Requests HTTP Library +~~~~~~~~~~~~~~~~~~~~~ + +Requests is an HTTP library, written in Python, for human beings. +Basic GET usage: + + >>> import requests + >>> r = requests.get('https://www.python.org') + >>> r.status_code + 200 + >>> b'Python is a programming language' in r.content + True + +... or POST: + + >>> payload = dict(key1='value1', key2='value2') + >>> r = requests.post('https://httpbin.org/post', data=payload) + >>> print(r.text) + { + ... + "form": { + "key1": "value1", + "key2": "value2" + }, + ... + } + +The other HTTP methods are supported - see `requests.api`. Full documentation +is at <https://requests.readthedocs.io>. + +:copyright: (c) 2017 by Kenneth Reitz. +:license: Apache 2.0, see LICENSE for more details. +""" + +import warnings + +import urllib3 + +from .exceptions import RequestsDependencyWarning + +try: + from charset_normalizer import __version__ as charset_normalizer_version +except ImportError: + charset_normalizer_version = None + +try: + from chardet import __version__ as chardet_version +except ImportError: + chardet_version = None + + +def check_compatibility(urllib3_version, chardet_version, charset_normalizer_version): + urllib3_version = urllib3_version.split(".") + assert urllib3_version != ["dev"] # Verify urllib3 isn't installed from git. + + # Sometimes, urllib3 only reports its version as 16.1. + if len(urllib3_version) == 2: + urllib3_version.append("0") + + # Check urllib3 for compatibility. + major, minor, patch = urllib3_version # noqa: F811 + major, minor, patch = int(major), int(minor), int(patch) + # urllib3 >= 1.21.1 + assert major >= 1 + if major == 1: + assert minor >= 21 + + # Check charset_normalizer for compatibility. + if chardet_version: + major, minor, patch = chardet_version.split(".")[:3] + major, minor, patch = int(major), int(minor), int(patch) + # chardet_version >= 3.0.2, < 6.0.0 + assert (3, 0, 2) <= (major, minor, patch) < (6, 0, 0) + elif charset_normalizer_version: + major, minor, patch = charset_normalizer_version.split(".")[:3] + major, minor, patch = int(major), int(minor), int(patch) + # charset_normalizer >= 2.0.0 < 4.0.0 + assert (2, 0, 0) <= (major, minor, patch) < (4, 0, 0) + else: + raise Exception("You need either charset_normalizer or chardet installed") + + +def _check_cryptography(cryptography_version): + # cryptography < 1.3.4 + try: + cryptography_version = list(map(int, cryptography_version.split("."))) + except ValueError: + return + + if cryptography_version < [1, 3, 4]: + warning = "Old version of cryptography ({}) may cause slowdown.".format( + cryptography_version + ) + warnings.warn(warning, RequestsDependencyWarning) + + +# Check imported dependencies for compatibility. +try: + check_compatibility( + urllib3.__version__, chardet_version, charset_normalizer_version + ) +except (AssertionError, ValueError): + warnings.warn( + "urllib3 ({}) or chardet ({})/charset_normalizer ({}) doesn't match a supported " + "version!".format( + urllib3.__version__, chardet_version, charset_normalizer_version + ), + RequestsDependencyWarning, + ) + +# Attempt to enable urllib3's fallback for SNI support +# if the standard library doesn't support SNI or the +# 'ssl' library isn't available. +try: + try: + import ssl + except ImportError: + ssl = None + + if not getattr(ssl, "HAS_SNI", False): + from urllib3.contrib import pyopenssl + + pyopenssl.inject_into_urllib3() + + # Check cryptography version + from cryptography import __version__ as cryptography_version + + _check_cryptography(cryptography_version) +except ImportError: + pass + +# urllib3's DependencyWarnings should be silenced. +from urllib3.exceptions import DependencyWarning + +warnings.simplefilter("ignore", DependencyWarning) + +# Set default logging handler to avoid "No handler found" warnings. +import logging +from logging import NullHandler + +from . import packages, utils +from .__version__ import ( + __author__, + __author_email__, + __build__, + __cake__, + __copyright__, + __description__, + __license__, + __title__, + __url__, + __version__, +) +from .api import delete, get, head, options, patch, post, put, request +from .exceptions import ( + ConnectionError, + ConnectTimeout, + FileModeWarning, + HTTPError, + JSONDecodeError, + ReadTimeout, + RequestException, + Timeout, + TooManyRedirects, + URLRequired, +) +from .models import PreparedRequest, Request, Response +from .sessions import Session, session +from .status_codes import codes + +logging.getLogger(__name__).addHandler(NullHandler()) + +# FileModeWarnings go off per the default. +warnings.simplefilter("default", FileModeWarning, append=True) |