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  r78729 | ezio.melotti | 2010-03-06 17:24:08 +0200 (Sat, 06 Mar 2010) | 1 line

  #6509: fix re.sub to work properly when the pattern, the string, and the replacement were all bytes. Patch by Antoine Pitrou.
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This commit is contained in:
Ezio Melotti 2010-03-06 15:27:04 +00:00
parent c0ddee54b0
commit dab886ab0f
3 changed files with 28 additions and 1 deletions
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18
Lib/test/test_re.py
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@ -696,6 +696,24 @@ class ReTests(unittest.TestCase):
self.assertRaises(ValueError, re.compile, '(?a)\w', re.UNICODE)
self.assertRaises(ValueError, re.compile, '(?au)\w')
def test_bug_6509(self):
# Replacement strings of both types must parse properly.
# all strings
pat = re.compile('a(\w)')
self.assertEqual(pat.sub('b\\1', 'ac'), 'bc')
pat = re.compile('a(.)')
self.assertEqual(pat.sub('b\\1', 'a\u1234'), 'b\u1234')
pat = re.compile('..')
self.assertEqual(pat.sub(lambda m: 'str', 'a5'), 'str')
# all bytes
pat = re.compile(b'a(\w)')
self.assertEqual(pat.sub(b'b\\1', b'ac'), b'bc')
pat = re.compile(b'a(.)')
self.assertEqual(pat.sub(b'b\\1', b'a\xCD'), b'b\xCD')
pat = re.compile(b'..')
self.assertEqual(pat.sub(lambda m: b'bytes', b'a5'), b'bytes')
def test_dealloc(self):
# issue 3299: check for segfault in debug build
import _sre