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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 |
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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 itertools |
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import sys |
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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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IS_PYTHON_3 = sys.version_info[0] == 3 |
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IS_PYTHON_2_6 = sys.version_info[0] == 2 and sys.version_info[1] == 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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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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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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ssato /
python-anyconfig
