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Viewing changes to pypy/module/_sre/test/support_test_app_sre.py

  • Committer: Bazaar Package Importer
  • Author(s): Alexandre Fayolle
  • Date: 2007-04-13 09:33:09 UTC
  • Revision ID: james.westby@ubuntu.com-20070413093309-yoojh4jcoocu2krz
Tags: upstream-1.0.0
Import upstream version 1.0.0

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pypy/module/_sre/test/support_test_app_sre.py
 
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"""Support functions for app-level _sre tests."""
 
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import locale, _sre
 
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from sre_constants import OPCODES, ATCODES, CHCODES
 
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def encode_literal(string):
 
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    opcodes = []
 
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    for character in string:
 
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        opcodes.extend([OPCODES["literal"], ord(character)])
 
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    return opcodes
 
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def assert_match(opcodes, strings):
 
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    assert_something_about_match(lambda x: x, opcodes, strings)
 
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def assert_no_match(opcodes, strings):
 
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    assert_something_about_match(lambda x: not x, opcodes, strings)
 
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def assert_something_about_match(assert_modifier, opcodes, strings):
 
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    if isinstance(strings, str):
 
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        strings = [strings]
 
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    for string in strings:
 
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        assert assert_modifier(search(opcodes, string))
 
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def search(opcodes, string):
 
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    pattern = _sre.compile("ignore", 0, opcodes, 0, {}, None)
 
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    return pattern.search(string)
 
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def void_locale():
 
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    locale.setlocale(locale.LC_ALL, (None, None))
 
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def assert_lower_equal(tests, flags):
 
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    for arg, expected in tests:
 
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        assert ord(expected) == _sre.getlower(ord(arg), flags)