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1 # pylint: disable=E0601,W0622,W0611 2 # copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved. 3 # contact http://www.logilab.fr/ -- mailto:contact@logilab.fr 4 # 5 # This file is part of logilab-common. 6 # 7 # logilab-common is free software: you can redistribute it and/or modify it under 8 # the terms of the GNU Lesser General Public License as published by the Free 9 # Software Foundation, either version 2.1 of the License, or (at your option) any 10 # later version. 11 # 12 # logilab-common is distributed in the hope that it will be useful, but WITHOUT 13 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 14 # FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 15 # details. 16 # 17 # You should have received a copy of the GNU Lesser General Public License along 18 # with logilab-common. If not, see <http://www.gnu.org/licenses/>. 19 """Wrappers around some builtins introduced in python 2.3, 2.4 and 20 2.5, making them available in for earlier versions of python. 21 22 See another compatibility snippets from other projects: 23 24 :mod:`lib2to3.fixes` 25 :mod:`coverage.backward` 26 :mod:`unittest2.compatibility` 27 """ 28 29 30 __docformat__ = "restructuredtext en" 31 32 import os 33 import sys 34 import types 35 from warnings import warn 36 37 # not used here, but imported to preserve API 38 from six.moves import builtins 39 40 if sys.version_info < (3, 0): 41 str_to_bytes = str 46 else: 49 # we have to ignore the encoding in py3k to be able to write a string into a 50 # TextIOWrapper or like object (which expect an unicode string) 53 54 # See also http://bugs.python.org/issue11776 55 if sys.version_info[0] == 3: 59 else: 60 # alias types otherwise 61 method_type = types.MethodType 62 63 # Pythons 2 and 3 differ on where to get StringIO 64 if sys.version_info < (3, 0): 65 from cStringIO import StringIO 66 FileIO = file 67 BytesIO = StringIO 68 reload = reload 69 else: 70 from io import FileIO, BytesIO, StringIO 71 from imp import reload 72 73 from logilab.common.deprecation import deprecated 74 75 # Other projects import these from here, keep providing them for 76 # backwards compat 77 any = deprecated('use builtin "any"')(any) 78 all = deprecated('use builtin "all"')(all) 79
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