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107 lines
2.4 KiB
Python
107 lines
2.4 KiB
Python
#
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# Author: Satoru SATOH <ssato redhat.com>
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# License: MIT
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#
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# pylint: disable=unused-import,import-error,invalid-name,wrong-import-position
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"""
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Compatiblity module
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"""
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from __future__ import absolute_import
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import inspect
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import itertools
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import sys
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try:
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import pathlib # flake8: noqa
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except ImportError:
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pathlib = None
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try:
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from logging import NullHandler
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except ImportError: # python < 2.7 doesn't have it.
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import logging
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class NullHandler(logging.Handler):
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"""
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Logging handler does nothing.
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"""
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def emit(self, record):
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pass
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(_PY_MAJOR, _PY_MINOR) = sys.version_info[:2]
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IS_PYTHON_3 = _PY_MAJOR == 3
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IS_PYTHON_2_6 = _PY_MAJOR == 2 and _PY_MINOR == 6
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# Borrowed from library doc, 9.7.1 Itertools functions:
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def _from_iterable(iterables):
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"""
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itertools.chain.from_iterable alternative.
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>>> list(_from_iterable([[1, 2], [3, 4]]))
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[1, 2, 3, 4]
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"""
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for itr in iterables:
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for element in itr:
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yield element
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def py3_iteritems(dic):
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"""wrapper for dict.items() in python 3.x.
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>>> list(py3_iteritems({}))
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[]
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>>> sorted(py3_iteritems(dict(a=1, b=2)))
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[('a', 1), ('b', 2)]
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"""
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return dic.items()
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# pylint: disable=redefined-builtin
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if IS_PYTHON_3:
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import configparser # flake8: noqa
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from io import StringIO # flake8: noqa
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iteritems = py3_iteritems
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from_iterable = itertools.chain.from_iterable
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raw_input = input
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STR_TYPES = (str, )
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getargspec = inspect.getfullargspec # flake8: noqa
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else:
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import ConfigParser as configparser # flake8: noqa
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try:
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from cStringIO import StringIO # flake8: noqa
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except ImportError:
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from StringIO import StringIO # flake8: noqa
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try:
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from_iterable = itertools.chain.from_iterable
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except AttributeError:
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from_iterable = _from_iterable
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assert configparser # silence pyflakes
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assert StringIO # ditto
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def py_iteritems(dic):
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"""wrapper for dict.iteritems() in python < 3.x
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>>> list(py_iteritems({}))
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[]
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>>> sorted(py_iteritems(dict(a=1, b=2)))
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[('a', 1), ('b', 2)]
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"""
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return dic.iteritems()
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iteritems = py_iteritems
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raw_input = raw_input
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STR_TYPES = (str, unicode)
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getargspec = inspect.getargspec # flake8: noqa
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try:
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from collections import OrderedDict
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except ImportError:
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from ordereddict import OrderedDict # Python 2.6
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# vim:sw=4:ts=4:et:
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