mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-31 05:58:33 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 7

bpo-23689: re module, fix memory leak when a match is terminated by a signal or memory allocation failure (GH-32283)

Browse source
This commit is contained in:
Ma Lin 2022-04-04 00:16:20 +08:00 • committed by GitHub
parent b82cdd1dac
commit 6e3eee5c11
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 151 additions and 71 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Lib/test/test_re.py
View file

@ -1643,9 +1643,12 @@ class ReTests(unittest.TestCase):
long_overflow = 2**128
self.assertRaises(TypeError, re.finditer, "a", {})
with self.assertRaises(OverflowError):
_sre.compile("abc", 0, [long_overflow], 0, {}, ())
_sre.compile("abc", 0, [long_overflow], 0, {}, (), 0)
with self.assertRaises(TypeError):
_sre.compile({}, 0, [], 0, [], [])
_sre.compile({}, 0, [], 0, [], [], 0)
with self.assertRaises(RuntimeError):
# invalid repeat_count -1
_sre.compile("abc", 0, [1], 0, {}, (), -1)
def test_search_dot_unicode(self):
self.assertTrue(re.search("123.*-", '123abc-'))
@ -2334,6 +2337,27 @@ POSSESSIVE_REPEAT 0 1
14. SUCCESS
''')
def test_repeat_index(self):
self.assertEqual(get_debug_out(r'(?:ab)*?(?:cd)*'), '''\
MIN_REPEAT 0 MAXREPEAT
LITERAL 97
LITERAL 98
MAX_REPEAT 0 MAXREPEAT
LITERAL 99
LITERAL 100
0. INFO 4 0b0 0 MAXREPEAT (to 5)
5: REPEAT 8 0 MAXREPEAT 0 (to 14)
10. LITERAL 0x61 ('a')
12. LITERAL 0x62 ('b')
14: MIN_UNTIL
15. REPEAT 8 0 MAXREPEAT 1 (to 24)
20. LITERAL 0x63 ('c')
22. LITERAL 0x64 ('d')
24: MAX_UNTIL
25. SUCCESS
''')
class PatternReprTests(unittest.TestCase):
def check(self, pattern, expected):