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Sun Nov 16 22:24:33 EST 2003 · https://mail.python.org/pipermail/python-dev/2003-November/040272.html

[Tim, sketches a Grand Scheme for making weakref callbacks from cyclic
 garbage wholly sane, then asks ..]
>> Objections?

[Jeremy Hylton]
> None here, but you knew that.

Great!

> Everyone seems to be interested in this topic, though.

Then I expect everyone to volunteer to test the patch <wink>.

> How hard is the implementation going to be?

I just made a patch while running my final tests, so I have a pretty solid
proof that what I sketched was implementable <wink>.  It's exactly the
scheme I described, and the coding went smoothly because it was something
that could be (and was) fully thought-out in advance.  That doesn't rule out
conceptual or coding errors, though.

Now I'll stop typing until I know whether all the tests pass ...

OK, here's the patch:

    http://www.python.org/sf/843455

I asked especially for Neal's (Mr. GC) and Fred's (Mr. WeakRef) reviews, but
all reviews are welcome.

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[Python-Dev] Making weakref callbacks safe in cyclic gc