[issue15528] Better support for finalization with weakrefs

[Richard Oudkerk]

Richard Oudkerk added the comment:

Updated patch.

get() and put() replaced by peek() and detach().  Added isalive().  Now finalizer class has no state, i.e. __slots__ == ().

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Added file: http://bugs.python.org/file26701/finalize.patch

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue15528>
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