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[3.15] gh-140971: Document pathlib.PurePath("") meaning and bool value (GH-157293) #157943

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[3.15] gh-140971: Document pathlib.PurePath("") meaning and bool value (GH-157293) #157943

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13 changes: 8 additions & 5 deletions Doc/library/pathlib.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -131,10 +131,11 @@ we also call *flavours*:
>>> PurePath(Path('foo'), Path('bar'))
PurePosixPath('foo/bar')

When *pathsegments* is empty, the current directory is assumed::
When *pathsegments* is empty or consists only of empty strings,
the current directory is assumed::

>>> PurePath()
PurePosixPath('.')
>>> PurePath(), PurePath('')
(PurePosixPath('.'), PurePosixPath('.'))

If a segment is an absolute path, all previous segments are ignored
(like :func:`os.path.join`)::
Expand Down Expand Up @@ -1040,15 +1041,17 @@ Querying file type and status

.. method:: Path.exists(*, follow_symlinks=True)

Return ``True`` if the path points to an existing file or directory.
``False`` will be returned if the path is invalid, inaccessible or missing.
Return ``True`` if the path points to an existing file or directory and
``False`` if the path is invalid, inaccessible or missing.
Use :meth:`Path.stat` to distinguish between these cases.

This method normally follows symlinks; to check if a symlink exists, add
the argument ``follow_symlinks=False``.

::

>>> Path('').exists() # The current directory.
True
>>> Path('.').exists()
True
>>> Path('setup.py').exists()
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