mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-09-10 18:58:35 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 13

Issue 2235: __hash__ is once again inherited by default, but inheritance can be blocked explicitly so that collections.Hashable remains meaningful

Browse source
This commit is contained in:
Nick Coghlan 2008-07-15 14:27:37 +00:00
parent 9ace15ca25
commit 53663a695e
14 changed files with 134 additions and 134 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Lib/UserString.py
View file

@ -150,8 +150,10 @@ class MutableString(UserString, collections.MutableSequence):
warnpy3k('the class UserString.MutableString has been removed in '
'Python 3.0', stacklevel=2)
self.data = string
def __hash__(self):
raise TypeError, "unhashable type (it is mutable)"
# We inherit object.__hash__, so we must deny this explicitly
__hash__ = None
def __setitem__(self, index, sub):
if isinstance(index, slice):
if isinstance(sub, UserString):