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annotate mercurial/thirdparty/zope/interface/_compat.py @ 46357:72f5280e33b6

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commit: look-up new revision once Look-up by node is slightly more expensive, so since it is necessary more than once, do it explicitly. Differential Revision: https://phab.mercurial-scm.org/D9830
author Joerg Sonnenberger <joerg@bec.de>
date Tue, 19 Jan 2021 00:18:39 +0100
parents 68ee61822182
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 ##############################################################################
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2 #
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3 # Copyright (c) 2006 Zope Foundation and Contributors.
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4 # All Rights Reserved.
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5 #
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6 # This software is subject to the provisions of the Zope Public License,
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7 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
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8 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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9 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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10 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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11 # FOR A PARTICULAR PURPOSE.
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12 #
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13 ##############################################################################
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14 """Basic components support
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15 """
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16 from __future__ import absolute_import
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17
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18 import sys
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19 import types
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20
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21 if sys.version_info[0] < 3:
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22
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23 def _normalize_name(name):
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24 if isinstance(name, basestring):
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25 return unicode(name)
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26 raise TypeError("name must be a regular or unicode string")
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27
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28 CLASS_TYPES = (type, types.ClassType)
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29 STRING_TYPES = (basestring,)
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30
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31 _BUILTINS = '__builtin__'
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32
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33 PYTHON3 = False
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34 PYTHON2 = True
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35
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36 else:
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37
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38 def _normalize_name(name):
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39 if isinstance(name, bytes):
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40 name = str(name, 'ascii')
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41 if isinstance(name, str):
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42 return name
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43 raise TypeError("name must be a string or ASCII-only bytes")
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44
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45 CLASS_TYPES = (type,)
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46 STRING_TYPES = (str,)
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47
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48 _BUILTINS = 'builtins'
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49
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50 PYTHON3 = True
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51 PYTHON2 = False
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52
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53 def _skip_under_py3k(test_method):
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54 import unittest
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55 return unittest.skipIf(sys.version_info[0] >= 3, "Only on Python 2")(test_method)
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56
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57
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58 def _skip_under_py2(test_method):
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59 import unittest
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60 return unittest.skipIf(sys.version_info[0] < 3, "Only on Python 3")(test_method)