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Nov 20, 2021
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Sync with CPython 3.10 #142

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293 changes: 145 additions & 148 deletions extending/extending.po
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42 changes: 21 additions & 21 deletions howto/descriptor.po
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ msgid ""
msgstr ""
"Project-Id-Version: Python 3.10\n"
"Report-Msgid-Bugs-To: \n"
"POT-Creation-Date: 2021-10-26 16:47+0000\n"
"POT-Creation-Date: 2021-11-20 00:08+0000\n"
"PO-Revision-Date: 2018-05-23 14:36+0000\n"
"Last-Translator: Adrian Liaw <adrianliaw2000@gmail.com>\n"
"Language-Team: Chinese - TAIWAN (https://github.com/python/python-docs-zh-"
Expand Down Expand Up @@ -929,18 +929,18 @@ msgid ""
"`staticmethod` would look like this:"
msgstr ""

#: ../../howto/descriptor.rst:1285
#: ../../howto/descriptor.rst:1292
msgid "Class methods"
msgstr ""

#: ../../howto/descriptor.rst:1287
#: ../../howto/descriptor.rst:1294
msgid ""
"Unlike static methods, class methods prepend the class reference to the "
"argument list before calling the function. This format is the same for "
"whether the caller is an object or a class:"
msgstr ""

#: ../../howto/descriptor.rst:1305
#: ../../howto/descriptor.rst:1312
msgid ""
"This behavior is useful whenever the method only needs to have a class "
"reference and does not rely on data stored in a specific instance. One use "
Expand All @@ -949,68 +949,68 @@ msgid ""
"of keys. The pure Python equivalent is:"
msgstr ""

#: ../../howto/descriptor.rst:1322
#: ../../howto/descriptor.rst:1329
msgid "Now a new dictionary of unique keys can be constructed like this:"
msgstr ""

#: ../../howto/descriptor.rst:1332
#: ../../howto/descriptor.rst:1339
msgid ""
"Using the non-data descriptor protocol, a pure Python version of :func:"
"`classmethod` would look like this:"
msgstr ""

#: ../../howto/descriptor.rst:1381
#: ../../howto/descriptor.rst:1388
msgid ""
"The code path for ``hasattr(type(self.f), '__get__')`` was added in Python "
"3.9 and makes it possible for :func:`classmethod` to support chained "
"decorators. For example, a classmethod and property could be chained "
"together:"
msgstr ""

#: ../../howto/descriptor.rst:1401
#: ../../howto/descriptor.rst:1408
msgid "Member objects and __slots__"
msgstr ""

#: ../../howto/descriptor.rst:1403
#: ../../howto/descriptor.rst:1410
msgid ""
"When a class defines ``__slots__``, it replaces instance dictionaries with a "
"fixed-length array of slot values. From a user point of view that has "
"several effects:"
msgstr ""

#: ../../howto/descriptor.rst:1407
#: ../../howto/descriptor.rst:1414
msgid ""
"1. Provides immediate detection of bugs due to misspelled attribute "
"assignments. Only attribute names specified in ``__slots__`` are allowed:"
msgstr ""

#: ../../howto/descriptor.rst:1423
#: ../../howto/descriptor.rst:1430
msgid ""
"2. Helps create immutable objects where descriptors manage access to private "
"attributes stored in ``__slots__``:"
msgstr ""

#: ../../howto/descriptor.rst:1458
#: ../../howto/descriptor.rst:1465
msgid ""
"3. Saves memory. On a 64-bit Linux build, an instance with two attributes "
"takes 48 bytes with ``__slots__`` and 152 bytes without. This `flyweight "
"design pattern <https://en.wikipedia.org/wiki/Flyweight_pattern>`_ likely "
"only matters when a large number of instances are going to be created."
msgstr ""

#: ../../howto/descriptor.rst:1463
#: ../../howto/descriptor.rst:1470
msgid ""
"4. Improves speed. Reading instance variables is 35% faster with "
"``__slots__`` (as measured with Python 3.10 on an Apple M1 processor)."
msgstr ""

#: ../../howto/descriptor.rst:1466
#: ../../howto/descriptor.rst:1473
msgid ""
"5. Blocks tools like :func:`functools.cached_property` which require an "
"instance dictionary to function correctly:"
msgstr ""

#: ../../howto/descriptor.rst:1488
#: ../../howto/descriptor.rst:1495
msgid ""
"It is not possible to create an exact drop-in pure Python version of "
"``__slots__`` because it requires direct access to C structures and control "
Expand All @@ -1020,36 +1020,36 @@ msgid ""
"managed by member descriptors:"
msgstr ""

#: ../../howto/descriptor.rst:1531
#: ../../howto/descriptor.rst:1538
msgid ""
"The :meth:`type.__new__` method takes care of adding member objects to class "
"variables:"
msgstr ""

#: ../../howto/descriptor.rst:1547
#: ../../howto/descriptor.rst:1554
msgid ""
"The :meth:`object.__new__` method takes care of creating instances that have "
"slots instead of an instance dictionary. Here is a rough simulation in pure "
"Python:"
msgstr ""

#: ../../howto/descriptor.rst:1582
#: ../../howto/descriptor.rst:1589
msgid ""
"To use the simulation in a real class, just inherit from :class:`Object` and "
"set the :term:`metaclass` to :class:`Type`:"
msgstr ""

#: ../../howto/descriptor.rst:1596
#: ../../howto/descriptor.rst:1603
msgid ""
"At this point, the metaclass has loaded member objects for *x* and *y*::"
msgstr ""

#: ../../howto/descriptor.rst:1617
#: ../../howto/descriptor.rst:1624
msgid ""
"When instances are created, they have a ``slot_values`` list where the "
"attributes are stored:"
msgstr ""

#: ../../howto/descriptor.rst:1629
#: ../../howto/descriptor.rst:1636
msgid "Misspelled or unassigned attributes will raise an exception:"
msgstr ""
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