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PEP 686: Change target version to 3.13 (#2457)

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Inada Naoki 2022-03-23 17:15:33 +09:00 committed by GitHub
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@ -6,7 +6,7 @@ Status: Draft
Type: Standards Track Type: Standards Track
Content-Type: text/x-rst Content-Type: text/x-rst
Created: 18-Mar-2022 Created: 18-Mar-2022
Python-Version: 3.12 Python-Version: 3.13
Post-History: `18-Mar-2022 <https://discuss.python.org/t/14435>`__ Post-History: `18-Mar-2022 <https://discuss.python.org/t/14435>`__
@ -55,14 +55,18 @@ User can still disable UTF-8 mode by setting ``PYTHONUTF8=0`` or ``-X utf8=0``.
``locale.get_encoding()`` ``locale.get_encoding()``
------------------------- -------------------------
Add ``locale.get_encoding()``. It is same to Currently, ``TextIOWrapper`` uses ``locale.getpreferredencoding(False)``
``locale.getpreferredencoding(False)`` except it don't follow UTF-8 mode. when ``encoding="locale"`` option is specified. It is ``"UTF-8"`` in UTF-8 mode.
This API will be used by ``io.TextIOWrapper`` to support ``encoding="locale"`` This behavior is inconsistent with the :pep:`597` motivation.
option. ``TextIOWrapper`` should use locale encoding when ``encoding="locale"`` is
passed before/after the default encoding is changed to UTF-8.
This change will be released in Python 3.11 so that users can prepare before To fix this inconsistency, we will add ``locale.get_encoding()``. It is same
UTF-8 mode is enabled by default. to ``locale.getpreferredencoding(False)`` but it ignore the UTF-8 mode.
This change will be released in Python 3.11 so that users can use UTF-8 mode
that is same to Python 3.13.
Backward Compatibility Backward Compatibility