bpo-39394: Improve warning message in the re module (GH-31988)

A warning about inline flags not at the start of the regular
expression now contains the position of the flag.
This commit is contained in:
Serhiy Storchaka 2022-03-19 14:13:31 +02:00 committed by GitHub
parent 0a8b8e0d26
commit 4142961b9f
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 11 additions and 4 deletions

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@ -1444,7 +1444,8 @@ 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 %r' % p
'Flags not at the start of the expression %r'
' but at position 1' % p
)
self.assertEqual(warns.warnings[0].filename, __file__)
@ -1453,7 +1454,8 @@ 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 %r (truncated)' % p[:20]
'Flags not at the start of the expression %r (truncated)'
' but at position 1' % p[:20]
)
self.assertEqual(warns.warnings[0].filename, __file__)
@ -1465,7 +1467,8 @@ class ReTests(unittest.TestCase):
self.assertTrue(re.match(p, b'a'))
self.assertEqual(
str(warns.warnings[0].message),
'Flags not at the start of the expression %r' % p
'Flags not at the start of the expression %r'
' but at position 1' % p
)
self.assertEqual(warns.warnings[0].filename, __file__)