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| author | Serhiy Storchaka <storchaka@gmail.com> | 2019-01-15 08:55:40 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-15 08:55:40 (GMT) |
| commit | 32ebd8508d4807a7c85d2ed8e9c3b44ecd6de591 (patch) | |
| tree | ba2acc5352da36d4ba3b99e5c0a5a397eeff1cc3 | |
| parent | efcf82f94572abcdbd70336e0b2c3d0f4df280bc (diff) | |
| download | cpython-32ebd8508d4807a7c85d2ed8e9c3b44ecd6de591.zip cpython-32ebd8508d4807a7c85d2ed8e9c3b44ecd6de591.tar.gz cpython-32ebd8508d4807a7c85d2ed8e9c3b44ecd6de591.tar.bz2 | |
bpo-29707: Document that os.path.ismount() is not able to reliable detect bind mounts. (GH-11238)
| -rw-r--r-- | Doc/library/os.path.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Doc/library/os.path.rst b/Doc/library/os.path.rst index 23194ae..ebbf63c 100644 --- a/Doc/library/os.path.rst +++ b/Doc/library/os.path.rst @@ -283,10 +283,11 @@ the :mod:`glob` module.) Return ``True`` if pathname *path* is a :dfn:`mount point`: a point in a file system where a different file system has been mounted. On POSIX, the - function checks whether *path*'s parent, :file:`path/..`, is on a different - device than *path*, or whether :file:`path/..` and *path* point to the same + function checks whether *path*'s parent, :file:`{path}/..`, is on a different + device than *path*, or whether :file:`{path}/..` and *path* point to the same i-node on the same device --- this should detect mount points for all Unix - and POSIX variants. On Windows, a drive letter root and a share UNC are + and POSIX variants. It is not able to reliably detect bind mounts on the + same filesystem. On Windows, a drive letter root and a share UNC are always mount points, and for any other path ``GetVolumePathName`` is called to see if it is different from the input path. |