1 files changed, 144 insertions, 0 deletions
diff --git a/python.d/python_modules/bases/collection.py b/python.d/python_modules/bases/collection.py
new file mode 100644
index 000000000..e03b4f58e
--- /dev/null
+++ b/python.d/python_modules/bases/collection.py
@@ -0,0 +1,144 @@
+# -*- coding: utf-8 -*-
+# Description:
+# Author: Ilya Mashchenko (l2isbad)
+
+import os
+
+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"
+
+
+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(''.join(msg))
+
+
+def find_binary(binary):
+    """
+    :param binary: <str>
+    :return:
+    """
+    for directory in PATH:
+        binary_name = '/'.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()
+
+
+class OldVersionCompatibility:
+
+    def __init__(self):
+        self._data_stream = str()
+
+    def begin(self, type_id, microseconds=0):
+        """
+        :param type_id: <str>
+        :param microseconds: <str> or <int>: must be a digit
+        :return:
+        """
+        self._data_stream += CHART_BEGIN.format(type_id, microseconds)
+
+    def set(self, dim_id, value):
+        """
+        :param dim_id: <str>
+        :param value: <int> or <str>: must be a digit
+        :return:
+        """
+        self._data_stream += DIMENSION_SET.format(dim_id, value)
+
+    def end(self):
+        self._data_stream += 'END\n'
+
+    def chart(self, type_id, name='', title='', units='', family='', category='', chart_type='line',
+              priority='', update_every=''):
+        """
+        :param type_id: <str>
+        :param name: <str>
+        :param title: <str>
+        :param units: <str>
+        :param family: <str>
+        :param category: <str>
+        :param chart_type: <str>
+        :param priority: <str> or <int>
+        :param update_every: <str> or <int>
+        :return:
+        """
+        self._data_stream += CHART_CREATE.format(type_id, name, title, units,
+                                                 family, category, chart_type,
+                                                 priority, update_every)
+
+    def dimension(self, dim_id, name=None, algorithm="absolute", multiplier=1, divisor=1, hidden=False):
+        """
+        :param dim_id: <str>
+        :param name: <str> or None
+        :param algorithm: <str>
+        :param multiplier: <str> or <int>: must be a digit
+        :param divisor: <str> or <int>: must be a digit
+        :param hidden: <str>: literally "hidden" or ""
+        :return:
+        """
+        self._data_stream += DIMENSION_CREATE.format(dim_id, name or dim_id, algorithm,
+                                                     multiplier, divisor, hidden or str())
+
+    @on_try_except_finally(on_except=(exit, 1))
+    def commit(self):
+        print(self._data_stream)
+        self._data_stream = str()