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75e2de3581
* Add PSF-license.txt for plugins/module_utils/_mount.py. * Move other licenses to licenses/. * Revert "Move other licenses to licenses/." This reverts commiteab4209889. (cherry picked from commitdcdfc9c413) Co-authored-by: Felix Fontein <felix@fontein.de>
51 lines
1.6 KiB
Python
51 lines
1.6 KiB
Python
# -*- coding: utf-8 -*-
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# This code is part of Ansible, but is an independent component.
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# This particular file snippet, and this file snippet only, is based on
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# Lib/posixpath.py of cpython
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# It is licensed under the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
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# (See PSF-license.txt in this collection)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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import os
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def ismount(path):
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"""Test whether a path is a mount point
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This is a copy of the upstream version of ismount(). Originally this was copied here as a workaround
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until Python issue 2466 was fixed. Now it is here so this will work on older versions of Python
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that may not have the upstream fix.
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https://github.com/ansible/ansible-modules-core/issues/2186
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http://bugs.python.org/issue2466
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"""
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try:
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s1 = os.lstat(path)
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except (OSError, ValueError):
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# It doesn't exist -- so not a mount point. :-)
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return False
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else:
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# A symlink can never be a mount point
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if os.path.stat.S_ISLNK(s1.st_mode):
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return False
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if isinstance(path, bytes):
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parent = os.path.join(path, b'..')
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else:
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parent = os.path.join(path, '..')
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parent = os.path.realpath(parent)
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try:
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s2 = os.lstat(parent)
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except (OSError, ValueError):
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return False
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dev1 = s1.st_dev
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dev2 = s2.st_dev
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if dev1 != dev2:
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return True # path/.. on a different device as path
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ino1 = s1.st_ino
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ino2 = s2.st_ino
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if ino1 == ino2:
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return True # path/.. is the same i-node as path
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return False
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