From 87be28f4a1c5b76926c71a3d9f92503f9eb82d51 Mon Sep 17 00:00:00 2001 From: Serhiy Storchaka Date: Thu, 4 Jan 2018 19:20:11 +0200 Subject: 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. --- Lib/string.py | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'Lib/string.py') diff --git a/Lib/string.py b/Lib/string.py index fd4b1f7a62..b9d6f5eb56 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 -- cgit v1.2.1