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Issue #3756: make re.escape() handle bytes as well as str.

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Patch by Andrew McNamara, reviewed and tweaked by myself.
This commit is contained in:
Guido van Rossum 2008-09-10 17:44:35 +00:00
parent 92f8f3e013
commit 698280df7c
3 changed files with 47 additions and 15 deletions
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14
Lib/test/test_re.py
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@ -416,6 +416,7 @@ class ReTests(unittest.TestCase):
def test_re_escape(self):
p=""
self.assertEqual(re.escape(p), p)
for i in range(0, 256):
p = p + chr(i)
self.assertEqual(re.match(re.escape(chr(i)), chr(i)) is not None,
@ -426,6 +427,19 @@ class ReTests(unittest.TestCase):
self.assertEqual(pat.match(p) is not None, True)
self.assertEqual(pat.match(p).span(), (0,256))
def test_re_escape_byte(self):
p=b""
self.assertEqual(re.escape(p), p)
for i in range(0, 256):
b = bytes([i])
p += b
self.assertEqual(re.match(re.escape(b), b) is not None, True)
self.assertEqual(re.match(re.escape(b), b).span(), (0,1))
pat=re.compile(re.escape(p))
self.assertEqual(pat.match(p) is not None, True)
self.assertEqual(pat.match(p).span(), (0,256))
def pickle_test(self, pickle):
oldpat = re.compile('a(?:b|(c|e){1,2}?|d)+?(.)')
s = pickle.dumps(oldpat)