[Python-Dev] Class destructor
nmm1 at cus.cam.ac.uk
Wed Feb 28 19:00:55 CET 2007
"Phillip J. Eby" <pje at telecommunity.com> wrote:
> Well, you could use a custom metaclass with a tp_dealloc or whatever.
Yes, I thought of that, but a custom metaclass to provide one callback
is pretty fair overkill!
> But I just mainly meant that a PyCObject is almost as good as a weakref
> for certain purposes -- i.e. it's got a pointer and a callback.
Ah. Yes. Thanks for suggesting it - if it is the simplest way, I
may as well do it.
> You could of course also use weak references, but that's a bit more
> awkward as well.
Yes. And they aren't a technology I have used (in Python), so I would
have to find out about them. Attributes etc. I have already played
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