[Python-3000] PEP: Eliminate __del__
python at rcn.com
Fri May 4 07:12:19 CEST 2007
From: "Greg Ewing" <greg.ewing at canterbury.ac.nz>
> It has nothing to do with cyclic GC. The point is that
> if the refcount of a weak reference drops to zero before
> that of the object being weakly referenced, the weak
> reference object itself is deallocated and its callback
> is *not* called. So having the resource-using object
> hold the weak ref to the resource doesn't work -- it
> has to be kept in some kind of separate registry.
I'll write-up an idiomaticc approach an include it in PEP this weekend.
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