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Issue #14260: The groupindex attribute of regular expression pattern object

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now is non-modifiable mapping.
This commit is contained in:
Serhiy Storchaka 2015-03-30 01:01:48 +03:00
parent 1813c1701f
commit 07360df481
5 changed files with 31 additions and 5 deletions
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8
Lib/test/test_re.py
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@ -577,6 +577,14 @@ class ReTests(unittest.TestCase):
self.assertEqual(re.match("(a)", "a").regs, ((0, 1), (0, 1)))
self.assertTrue(re.match("(a)", "a").re)
# Issue 14260. groupindex should be non-modifiable mapping.
p = re.compile(r'(?i)(?P<first>a)(?P<other>b)')
self.assertEqual(sorted(p.groupindex), ['first', 'other'])
self.assertEqual(p.groupindex['other'], 2)
with self.assertRaises(TypeError):
p.groupindex['other'] = 0
self.assertEqual(p.groupindex['other'], 2)
def test_special_escapes(self):
self.assertEqual(re.search(r"\b(b.)\b",
"abcd abc bcd bx").group(1), "bx")