diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/sre_parse.py | 2 | ||||
| -rw-r--r-- | Lib/test/test_re.py | 16 |
2 files changed, 15 insertions, 3 deletions
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py index d59d642..5452520 100644 --- a/Lib/sre_parse.py +++ b/Lib/sre_parse.py @@ -765,7 +765,7 @@ def _parse(source, state, verbose, nested, first=False): if not first or subpattern: import warnings warnings.warn( - 'Flags not at the start of the expression %s%s' % ( + 'Flags not at the start of the expression %r%s' % ( source.string[:20], # truncate long regexes ' (truncated)' if len(source.string) > 20 else '', ), diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 027df40..0ea5a20 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -1368,7 +1368,7 @@ class ReTests(unittest.TestCase): self.assertTrue(re.match(p, lower_char)) self.assertEqual( str(warns.warnings[0].message), - 'Flags not at the start of the expression %s' % p + 'Flags not at the start of the expression %r' % p ) self.assertEqual(warns.warnings[0].filename, __file__) @@ -1377,10 +1377,22 @@ class ReTests(unittest.TestCase): self.assertTrue(re.match(p, lower_char)) self.assertEqual( str(warns.warnings[0].message), - 'Flags not at the start of the expression %s (truncated)' % p[:20] + 'Flags not at the start of the expression %r (truncated)' % p[:20] ) self.assertEqual(warns.warnings[0].filename, __file__) + # bpo-30605: Compiling a bytes instance regex was throwing a BytesWarning + with warnings.catch_warnings(): + warnings.simplefilter('error', BytesWarning) + p = b'A(?i)' + with self.assertWarns(DeprecationWarning) as warns: + self.assertTrue(re.match(p, b'a')) + self.assertEqual( + str(warns.warnings[0].message), + 'Flags not at the start of the expression %r' % p + ) + self.assertEqual(warns.warnings[0].filename, __file__) + with self.assertWarns(DeprecationWarning): self.assertTrue(re.match('(?s).(?i)' + upper_char, '\n' + lower_char)) with self.assertWarns(DeprecationWarning): |