[Python-Dev] Weak references
Fred L. Drake, Jr.
Sun, 5 Nov 2000 22:06:29 -0500 (EST)
Guido van Rossum writes:
> Yes, definitely. Weak dicts are sometimes needed for situations where
> a regular dict would keep objects alive forever. E.g. we were made
> aware of a "leak" in JPython that could only be fixed with weak dicts:
> the Swing wrapper code has a global dict mapping widgets to callback
That's a perfect example. I've started working on some text
describing the motivation; hopefully I'll have that fleshed out and
checked in later this week.
Fred L. Drake, Jr. <fdrake at acm.org>
PythonLabs at Digital Creations