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gh-88569: add ntpath.isreserved() (#95486)

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Add `ntpath.isreserved()`, which identifies reserved pathnames such as "NUL", "AUX" and "CON".

Deprecate `pathlib.PurePath.is_reserved()`.

---------

Co-authored-by: Eryk Sun <eryksun@gmail.com>
Co-authored-by: Brett Cannon <brett@python.org>
Co-authored-by: Steve Dower <steve.dower@microsoft.com>
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Barney Gale 2024-01-26 18:14:24 +00:00 • committed by GitHub
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Doc/whatsnew/3.13.rst
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@ -321,6 +321,9 @@ os
os.path
-------
* Add :func:`os.path.isreserved` to check if a path is reserved on the current
system. This function is only available on Windows.
(Contributed by Barney Gale in :gh:`88569`.)
* On Windows, :func:`os.path.isabs` no longer considers paths starting with
exactly one (back)slash to be absolute.
(Contributed by Barney Gale and Jon Foster in :gh:`44626`.)
@ -498,6 +501,12 @@ Deprecated
security and functionality bugs. This includes removal of the ``--cgi``
flag to the ``python -m http.server`` command line in 3.15.
* :mod:`pathlib`:
* :meth:`pathlib.PurePath.is_reserved` is deprecated and scheduled for
removal in Python 3.15. Use :func:`os.path.isreserved` to detect reserved
paths on Windows.
* :mod:`sys`: :func:`sys._enablelegacywindowsfsencoding` function.
Replace it with :envvar:`PYTHONLEGACYWINDOWSFSENCODING` environment variable.
(Contributed by Inada Naoki in :gh:`73427`.)
@ -709,6 +718,12 @@ Pending Removal in Python 3.15
:func:`locale.getlocale()` instead.
(Contributed by Hugo van Kemenade in :gh:`111187`.)
* :mod:`pathlib`:
* :meth:`pathlib.PurePath.is_reserved` is deprecated and scheduled for
removal in Python 3.15. Use :func:`os.path.isreserved` to detect reserved
paths on Windows.
* :class:`typing.NamedTuple`:
* The undocumented keyword argument syntax for creating NamedTuple classes