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Issue #14159: Fix the len() of weak containers (WeakSet, WeakKeyDictionary, WeakValueDictionary) to return a better approximation when some objects are dead or dying.

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Moreover, the implementation is now O(1) rather than O(n).
Thanks to Yury Selivanov for reporting.
This commit is contained in:
Antoine Pitrou 2012-03-01 16:26:35 +01:00
parent eb977dac9c
commit bbe2f60b3c
5 changed files with 115 additions and 3 deletions
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@ -127,6 +127,11 @@ Core and Builtins
Library
-------
- Issue #14159: Fix the len() of weak containers (WeakSet, WeakKeyDictionary,
WeakValueDictionary) to return a better approximation when some objects
are dead or dying. Moreover, the implementation is now O(1) rather than
O(n).
- Issue #13125: Silence spurious test_lib2to3 output when in non-verbose mode.
Patch by Mikhail Novikov.