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79 lines
2.5 KiB
Python
79 lines
2.5 KiB
Python
# pylint: disable=E0601,W0622,W0611
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# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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#
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# This file is part of logilab-common.
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#
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# logilab-common is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 2.1 of the License, or (at your option) any
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# later version.
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#
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# logilab-common is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License along
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# with logilab-common. If not, see <http://www.gnu.org/licenses/>.
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"""Wrappers around some builtins introduced in python 2.3, 2.4 and
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2.5, making them available in for earlier versions of python.
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See another compatibility snippets from other projects:
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:mod:`lib2to3.fixes`
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:mod:`coverage.backward`
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:mod:`unittest2.compatibility`
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"""
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__docformat__ = "restructuredtext en"
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import os
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import sys
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import types
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from warnings import warn
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# not used here, but imported to preserve API
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from six.moves import builtins
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if sys.version_info < (3, 0):
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str_to_bytes = str
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def str_encode(string, encoding):
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if isinstance(string, unicode):
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return string.encode(encoding)
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return str(string)
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else:
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def str_to_bytes(string):
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return str.encode(string)
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# we have to ignore the encoding in py3k to be able to write a string into a
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# TextIOWrapper or like object (which expect an unicode string)
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def str_encode(string, encoding):
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return str(string)
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# See also http://bugs.python.org/issue11776
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if sys.version_info[0] == 3:
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def method_type(callable, instance, klass):
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# api change. klass is no more considered
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return types.MethodType(callable, instance)
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else:
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# alias types otherwise
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method_type = types.MethodType
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# Pythons 2 and 3 differ on where to get StringIO
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if sys.version_info < (3, 0):
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from cStringIO import StringIO
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FileIO = file
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BytesIO = StringIO
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reload = reload
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else:
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from io import FileIO, BytesIO, StringIO
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from imp import reload
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from logilab.common.deprecation import deprecated
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# Other projects import these from here, keep providing them for
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# backwards compat
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any = deprecated('use builtin "any"')(any)
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all = deprecated('use builtin "all"')(all)
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