From: Nick Coghlan Date: Tue, 2 Sep 2008 10:43:28 +0000 (+0000) Subject: Merged revisions 66144 via svnmerge from X-Git-Tag: v3.0rc1~131 X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=33794a7bc79d0feb8e7fa109438197b2cf398880;p=python Merged revisions 66144 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r66144 | nick.coghlan | 2008-09-02 20:14:47 +1000 (Tue, 02 Sep 2008) | 1 line Issue 3747: Fix caching in ABCMeta.__subclasscheck__ (R: Georg Brandl) ........ --- diff --git a/Lib/abc.py b/Lib/abc.py index 05ac7e451f..8cfb54a0d3 100644 --- a/Lib/abc.py +++ b/Lib/abc.py @@ -159,12 +159,12 @@ class ABCMeta(type): # Check if it's a subclass of a registered class (recursive) for rcls in cls._abc_registry: if issubclass(subclass, rcls): - cls._abc_registry.add(subclass) + cls._abc_cache.add(subclass) return True # Check if it's a subclass of a subclass (recursive) for scls in cls.__subclasses__(): if issubclass(subclass, scls): - cls._abc_registry.add(subclass) + cls._abc_cache.add(subclass) return True # No dice; update negative cache cls._abc_negative_cache.add(subclass)