[Python-Dev] making weakref.ref objects subclassable (original) (raw)
Fred Drake fred at zope.com
Thu Jul 1 00:01:48 EDT 2004
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On Wednesday 30 June 2004 11:46 pm, Tim Peters wrote:
Well, there is no change to gcmodule.c, except for the indirect change in what the PyWeakref_Check() macro expands to. The risks with weakrefs
The change in the macro expansion is exactly what I was referring to; not a source change, but a real change none the less.
For reasons given above, I believe gc performance will be virtually unchanged for almost all programs.
That was my conclusion as well. Empirical evidence with the Zope 3 test suite suggests that's right. If anyone has an application that would be meaningfully affected by this change, I'd be rather surprised, and would appreciate hearing about it.
-Fred
-- Fred L. Drake, Jr. Zope Corporation
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