[Python-checkins] bpo-6689: os.path.commonpath raises ValueError for different drives isn't documented (GH-14045)
Miss Islington (bot)
webhook-mailer at python.org
Thu Jun 13 10:13:16 EDT 2019
https://github.com/python/cpython/commit/ec3839a215a68cf35ff1f90cb6823f67a5abdce3
commit: ec3839a215a68cf35ff1f90cb6823f67a5abdce3
branch: 3.8
author: Miss Islington (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2019-06-13T07:12:49-07:00
summary:
bpo-6689: os.path.commonpath raises ValueError for different drives isn't documented (GH-14045)
It would raise ValueError("Paths don't have the same drive") if the paths on different drivers, which is not documented.
os.path.commonpath raises ValueError when the *paths* are in different drivers, but it is not documented.
Update the document according @Windsooon 's suggestion.
It actually raise ValueError according line 355 of [test of path](https://github.com/python/cpython/blob/master/Lib/test/test_ntpath.py)
https://bugs.python.org/issue6689
(cherry picked from commit 95492032c48fef20b9c7076a23fe7e46927a4688)
Co-authored-by: Makdon <makdon at makdon.me>
files:
M Doc/library/os.path.rst
diff --git a/Doc/library/os.path.rst b/Doc/library/os.path.rst
index 8e7ee8bfe784..a673b81278ea 100644
--- a/Doc/library/os.path.rst
+++ b/Doc/library/os.path.rst
@@ -87,9 +87,10 @@ the :mod:`glob` module.)
.. function:: commonpath(paths)
Return the longest common sub-path of each pathname in the sequence
- *paths*. Raise :exc:`ValueError` if *paths* contains both absolute and relative
- pathnames, or if *paths* is empty. Unlike :func:`commonprefix`, this
- returns a valid path.
+ *paths*. Raise :exc:`ValueError` if *paths* contain both absolute
+ and relative pathnames, the *paths* are on the different drives or
+ if *paths* is empty. Unlike :func:`commonprefix`, this returns a
+ valid path.
.. availability:: Unix, Windows.
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