[Python-bugs-list] [ python-Bugs-813299 ] Weak references and bound
functions interact in a bad way
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Fri Sep 26 17:20:11 EDT 2003
Bugs item #813299, was opened at 2003-09-26 21:20
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Category: Python Interpreter Core
Group: Python 2.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Matthias Klose (doko)
Assigned to: Nobody/Anonymous (nobody)
Summary: Weak references and bound functions interact in a bad way
Initial Comment:
[forwarded from http://bugs.debian.org/211129]
>>> import weakref
>>> class Foo:
... def bar(self):
... print 'Hello'
...
>>> x=Foo()
>>> y=weakref.ref(x.bar)
>>> y
<weakref at 0x4021cb94; dead>
This behavior is self-evidently wrong, and seems to
be due to an
implementation detail of Python. There is a workaround
available here:
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/81253
(I haven't
examined it closely, but it looks like it should work)
Nevertheless, this
should be fixed eventually IMO.
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