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gh-82849: revise intro to os.path.rst (GH-32232)

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* revise the first paragraph of docs for os.path
* add a mention of `os.PathLike` protocol
* remove warnings rendered irrelevant by :pep:`383` and :pep:`529`

Co-authored-by: Jelle Zijlstra <jelle.zijlstra@gmail.com>
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Jack DeVries 2022-04-16 00:23:07 -04:00 • committed by GitHub
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Doc/library/os.path.rst
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@ -11,16 +11,10 @@
--------------
This module implements some useful functions on pathnames. To read or
write files see :func:`open`, and for accessing the filesystem see the
:mod:`os` module. The path parameters can be passed as either strings,
or bytes. Applications are encouraged to represent file names as
(Unicode) character strings. Unfortunately, some file names may not be
representable as strings on Unix, so applications that need to support
arbitrary file names on Unix should use bytes objects to represent
path names. Vice versa, using bytes objects cannot represent all file
names on Windows (in the standard ``mbcs`` encoding), hence Windows
applications should use string objects to access all files.
This module implements some useful functions on pathnames. To read or write
files see :func:`open`, and for accessing the filesystem see the :mod:`os`
module. The path parameters can be passed as strings, or bytes, or any object
implementing the :class:`os.PathLike` protocol.
Unlike a unix shell, Python does not do any *automatic* path expansions.
Functions such as :func:`expanduser` and :func:`expandvars` can be invoked
@ -38,7 +32,6 @@ the :mod:`glob` module.)
their parameters. The result is an object of the same type, if a path or
file name is returned.
.. note::
Since different operating systems have different path name conventions, there

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@ -0,0 +1,3 @@
Update the introduction to documentation for :mod:`os.path` to remove
warnings that became irrelevant after the implementations of :pep:`383` and
:pep:`529`.