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Close #18690: register memoryview with Sequence ABC

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Nick Coghlan 2013-10-02 22:31:47 +10:00
parent a0f169cde8
commit 45163ccce4
4 changed files with 10 additions and 0 deletions
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4
Doc/library/stdtypes.rst
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@ -2458,6 +2458,10 @@ copying.
.. versionchanged:: 3.3 .. versionchanged:: 3.3
One-dimensional memoryviews with formats 'B', 'b' or 'c' are now hashable. One-dimensional memoryviews with formats 'B', 'b' or 'c' are now hashable.
.. versionchanged:: 3.4
memoryview is now registered automatically with
:class:`collections.abc.Sequence`
:class:`memoryview` has several methods: :class:`memoryview` has several methods:
.. method:: __eq__(exporter) .. method:: __eq__(exporter)

1
Lib/collections/abc.py
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@ -643,6 +643,7 @@ class Sequence(Sized, Iterable, Container):
Sequence.register(tuple) Sequence.register(tuple)
Sequence.register(str) Sequence.register(str)
Sequence.register(range) Sequence.register(range)
Sequence.register(memoryview)
class ByteString(Sequence): class ByteString(Sequence):

2
Lib/test/test_collections.py
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@ -782,6 +782,8 @@ class TestCollectionABCs(ABCTestCase):
self.assertTrue(issubclass(sample, Sequence)) self.assertTrue(issubclass(sample, Sequence))
self.assertIsInstance(range(10), Sequence) self.assertIsInstance(range(10), Sequence)
self.assertTrue(issubclass(range, Sequence)) self.assertTrue(issubclass(range, Sequence))
self.assertIsInstance(memoryview(b""), Sequence)
self.assertTrue(issubclass(memoryview, Sequence))
self.assertTrue(issubclass(str, Sequence)) self.assertTrue(issubclass(str, Sequence))
self.validate_abstract_methods(Sequence, '__contains__', '__iter__', '__len__', self.validate_abstract_methods(Sequence, '__contains__', '__iter__', '__len__',
'__getitem__') '__getitem__')

3
Misc/NEWS
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@ -10,6 +10,9 @@ Projected release date: 2013-10-20
Core and Builtins Core and Builtins
----------------- -----------------
- Issue #18690: memoryview is now automatically registered with
collections.abc.Sequence
- Issue #19078: memoryview now correctly supports the reversed builtin - Issue #19078: memoryview now correctly supports the reversed builtin
(Patch by Claudiu Popa) (Patch by Claudiu Popa)