[issue16453] Inconsistent dead weakref equality

Changes by Jesús Cea Avión : -- nosy: +jcea ___ Python tracker ___ ___ Python-bugs-list mailing list Unsubscribe: http://mail.python.

[issue16453] Inconsistent dead weakref equality

Antoine Pitrou added the comment: Now fixed. -- resolution: -> fixed stage: -> committed/rejected status: open -> closed ___ Python tracker ___

[issue16453] Inconsistent dead weakref equality

Roundup Robot added the comment: New changeset 13b74c0b040c by Antoine Pitrou in branch '2.7': Issue #16453: Fix equality testing of dead weakref objects. http://hg.python.org/cpython/rev/13b74c0b040c -- ___ Python tracker

[issue16453] Inconsistent dead weakref equality

Roundup Robot added the comment: New changeset 590f1b55abea by Antoine Pitrou in branch '3.2': Issue #16453: Fix equality testing of dead weakref objects. http://hg.python.org/cpython/rev/590f1b55abea New changeset c00e2c1cb3a7 by Antoine Pitrou in branch '3.3': Issue #16453: Fix equality testin

[issue16453] Inconsistent dead weakref equality

Antoine Pitrou added the comment: Aha, it is even worse: >>> o = O() >>> q = weakref.ref(o) >>> r = weakref.ref(o) >>> del o >>> q() is None True >>> q == r True >>> q != r True -- ___ Python tracker _

[issue16453] Inconsistent dead weakref equality

New submission from Antoine Pitrou: Dead weakrefs to a given object happen to be equal if they don't have a callback, but unequal if they do. However, they are always equal when alive: >>> class O: pass ... >>> o = O() >>> def cb(_): pass ... >>> q = weakref.ref(o) >>> r = weakref.ref(o) >>>