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Code Issues Projects Releases Packages Wiki Activity Actions 10

Issue #9214: Fix set operations on KeysView and ItemsView.

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Raymond Hettinger 2010-08-22 08:01:58 +00:00
parent 058981b2ec
commit 917bba1f2a
2 changed files with 11 additions and 0 deletions
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8
Lib/_abcoll.py
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@ -390,6 +390,10 @@ class MappingView(Sized):
class KeysView(MappingView, Set): class KeysView(MappingView, Set):
@classmethod
def _from_iterable(self, it):
return set(it)
def __contains__(self, key): def __contains__(self, key):
return key in self._mapping return key in self._mapping
@ -400,6 +404,10 @@ class KeysView(MappingView, Set):
class ItemsView(MappingView, Set): class ItemsView(MappingView, Set):
@classmethod
def _from_iterable(self, it):
return set(it)
def __contains__(self, item): def __contains__(self, item):
key, value = item key, value = item
try: try:

3
Misc/NEWS
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@ -31,6 +31,9 @@ Core and Builtins
Library Library
------- -------
- Issue #9214: Set operations on KeysView or ItemsView in the collections
module now correctly return a set. (Patch by Eli Bendersky.)
- Issue #9617: Signals received during a low-level write operation aren't - Issue #9617: Signals received during a low-level write operation aren't
ignored by the buffered IO layer anymore. ignored by the buffered IO layer anymore.