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authorSerhiy Storchaka <storchaka@gmail.com>2018-01-04 17:20:11 (GMT)
committerGitHub <noreply@github.com>2018-01-04 17:20:11 (GMT)
commit87be28f4a1c5b76926c71a3d9f92503f9eb82d51 (patch)
treed11b0f8de8a5b788e52d8fa2b08646e76e2093bf /Lib/string.py
parent78e24d4415c37e9e9951920bc31e9ee4868d86cb (diff)
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bpo-31672: Restore the former behavior when override flags in Template. (#5099)
Overriding flags to 0 will make the default pattern matching only lower case letters.
Diffstat (limited to 'Lib/string.py')
-rw-r--r--Lib/string.py5
1 files changed, 1 insertions, 4 deletions
diff --git a/Lib/string.py b/Lib/string.py
index fd4b1f7..b9d6f5e 100644
--- a/Lib/string.py
+++ b/Lib/string.py
@@ -82,11 +82,8 @@ class Template(metaclass=_TemplateMetaclass):
# r'[a-z]' matches to non-ASCII letters when used with IGNORECASE, but
# without the ASCII flag. We can't add re.ASCII to flags because of
# backward compatibility. So we use the ?a local flag and [a-z] pattern.
- # We also can't remove the A-Z ranges, because although they are
- # technically redundant with the IGNORECASE flag, the value is part of the
- # publicly documented API.
# See https://bugs.python.org/issue31672
- idpattern = r'(?a:[_a-zA-Z][_a-zA-Z0-9]*)'
+ idpattern = r'(?a:[_a-z][_a-z0-9]*)'
braceidpattern = None
flags = _re.IGNORECASE