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bpo-42236: Enhance init and encoding documentation (GH-23109)

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Enhance the documentation of the Python startup, filesystem encoding
and error handling, locale encoding. Add a new "Python UTF-8 Mode"
section.

* Add "locale encoding" and "filesystem encoding and error handler"
  to the glossary
* Remove documentation from Include/cpython/initconfig.h: move it to
  Doc/c-api/init_config.rst.
* Doc/c-api/init_config.rst:

  * Document command line options and environment variables
  * Document default values.

* Add a new "Python UTF-8 Mode" section in Doc/library/os.rst.
* Add warnings to Py_DecodeLocale() and Py_EncodeLocale() docs.
* Document how Python selects the filesystem encoding and error
  handler at a single place: PyConfig.filesystem_encoding and
  PyConfig.filesystem_errors.
* PyConfig: move orig_argv member at the right place.
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Victor Stinner 2020-11-02 16:49:54 +01:00 • committed by GitHub
parent 301822859b
commit 4b9aad4999
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Doc/library/devmode.rst
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@ -93,6 +93,9 @@ The Python Development Mode does not prevent the :option:`-O` command line
option from removing :keyword:`assert` statements nor from setting
:const:`__debug__` to ``False``.
The Python Development Mode can only be enabled at the Python startup. Its
value can be read from :data:`sys.flags.dev_mode <sys.flags>`.
.. versionchanged:: 3.8
The :class:`io.IOBase` destructor now logs ``close()`` exceptions.