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bpo-42236: os.device_encoding() respects UTF-8 Mode (GH-23119)

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On Unix, the os.device_encoding() function now returns 'UTF-8' rather
than the device encoding if the Python UTF-8 Mode is enabled.
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Victor Stinner 2020-11-04 11:20:10 +01:00 • committed by GitHub
parent 0001a1b69e
commit 3529718925
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5 changed files with 52 additions and 17 deletions
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Doc/library/os.rst
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@ -113,6 +113,8 @@ of the UTF-8 encoding:
:ref:`error handler <error-handlers>` being enabled for :data:`sys.stdin`
and :data:`sys.stdout` (:data:`sys.stderr` continues to use
``backslashreplace`` as it does in the default locale-aware mode)
* On Unix, :func:`os.device_encoding` returns ``'UTF-8'``. rather than the
device encoding.
Note that the standard stream settings in UTF-8 mode can be overridden by
:envvar:`PYTHONIOENCODING` (just as they can be in the default locale-aware
@ -808,6 +810,12 @@ as internal buffering of data.
Return a string describing the encoding of the device associated with *fd*
if it is connected to a terminal; else return :const:`None`.
On Unix, if the :ref:`Python UTF-8 Mode <utf8-mode>` is enabled, return
``'UTF-8'`` rather than the device encoding.
.. versionchanged:: 3.10
On Unix, the function now implements the Python UTF-8 Mode.
.. function:: dup(fd)