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[Python-Dev] Weak Dictionary Iteration Behavior in Python 3

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Georg Brandl wrote:

> In this case, what WeakKeyDictionary.keys() returns is not a view anyway,
> so using list(self.data.keys()) in the method seems like a good compromise.

I don't think that helps, because the implementation has
to iterate over that to dereference the weak refs, and if
that's done in Python code there's a chance for a weak
ref to disappear in the process.

-- 
Greg

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