[Python-Dev] reference leaks, __del__, and annotations

[Michael Hudson]

"Neal Norwitz" <nnorwitz at gmail.com> writes:

> On 4/3/06, Michael Hudson <mwh at python.net> wrote:
>> Greg Ewing <greg.ewing at canterbury.ac.nz> writes:
>>
>> > Michael Hudson wrote:
>> >
>> >> And if we want to have a version of __del__ that can't reference
>> >> 'self', we have it already: weakrefs with callbacks.
>> >
>> > Does that actually work at the moment? Last I heard,
>> > there was some issue with gc and weakref callbacks
>> > as well. Has that been resolved?
>>
>> Talk about FUD.  Yes, it works, as far as I know.
>
> Not sure if everyone is talking about the same thing.  This is still a
> problem (at least for me): 
> http://svn.python.org/projects/python/trunk/Lib/test/crashers/weakref_in_del.py
>
> It creates a weakref to self in __del__.

Yes, but that has nothing to do with the cycle collector.  I even have
a way to fix it, but I don't know if it breaks anything else...

Cheers,
mwh

-- 
  I wouldn't trust the Anglo-Saxons for much anything else.  Given
  they way English is spelled, who could trust them on _anything_ that
  had to do with writing things down, anyway?
                                        -- Erik Naggum, comp.lang.lisp