Rooba
/
bidict
mirror of https://github.com/jab/bidict.git
1
1
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix regression in 0.13 that breaks old-style classes 

This is causing crashes with other (unrelated) classes that are old-style.
This commit is contained in:
Jozef 2017-03-09 09:33:28 +01:00 committed by jab
parent 0bee32a6fc
commit 97f59b96a2
1 changed files with 5 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
bidict/_common.py
View File

@ -43,7 +43,11 @@ class BidirectionalMapping(Mapping):
Causes conforming classes to be virtual subclasses automatically. Causes conforming classes to be virtual subclasses automatically.
""" """
if cls is BidirectionalMapping: if cls is BidirectionalMapping:
try:
mro = C.__mro__ mro = C.__mro__
except AttributeError:
# Old-style classes in Python 2.7 do not have the __mro__ attribute!
return False
return all(any(B.__dict__.get(i) for B in mro) for i in cls._subclsattrs) return all(any(B.__dict__.get(i) for B in mro) for i in cls._subclsattrs)
return NotImplemented return NotImplemented