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# This code is part of Ansible, but is an independent component.
# This particular file snippet, and this file snippet only, is based on
# Lib/posixpath.py of cpython
# It is licensed under the PYTHON SOFTWARE FOUNDATION LICENSE VERSION 2
#
# 1. This LICENSE AGREEMENT is between the Python Software Foundation
# ("PSF"), and the Individual or Organization ("Licensee") accessing and
# otherwise using this software ("Python") in source or binary form and
# its associated documentation.
#
# 2. Subject to the terms and conditions of this License Agreement, PSF hereby
# grants Licensee a nonexclusive, royalty-free, world-wide license to reproduce,
# analyze, test, perform and/or display publicly, prepare derivative works,
# distribute, and otherwise use Python alone or in any derivative version,
# provided, however, that PSF's License Agreement and PSF's notice of copyright,
# i.e., "Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010,
# 2011, 2012, 2013, 2014, 2015 Python Software Foundation; All Rights Reserved"
# are retained in Python alone or in any derivative version prepared by Licensee.
#
# 3. In the event Licensee prepares a derivative work that is based on
# or incorporates Python or any part thereof, and wants to make
# the derivative work available to others as provided herein, then
# Licensee hereby agrees to include in any such work a brief summary of
# the changes made to Python.
#
# 4. PSF is making Python available to Licensee on an "AS IS"
# basis. PSF MAKES NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR
# IMPLIED. BY WAY OF EXAMPLE, BUT NOT LIMITATION, PSF MAKES NO AND
# DISCLAIMS ANY REPRESENTATION OR WARRANTY OF MERCHANTABILITY OR FITNESS
# FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF PYTHON WILL NOT
# INFRINGE ANY THIRD PARTY RIGHTS.
#
# 5. PSF SHALL NOT BE LIABLE TO LICENSEE OR ANY OTHER USERS OF PYTHON
# FOR ANY INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES OR LOSS AS
# A RESULT OF MODIFYING, DISTRIBUTING, OR OTHERWISE USING PYTHON,
# OR ANY DERIVATIVE THEREOF, EVEN IF ADVISED OF THE POSSIBILITY THEREOF.
#
# 6. This License Agreement will automatically terminate upon a material
# breach of its terms and conditions.
#
# 7. Nothing in this License Agreement shall be deemed to create any
# relationship of agency, partnership, or joint venture between PSF and
# Licensee. This License Agreement does not grant permission to use PSF
# trademarks or trade name in a trademark sense to endorse or promote
# products or services of Licensee, or any third party.
#
# 8. By copying, installing or otherwise using Python, Licensee
# agrees to be bound by the terms and conditions of this License
# Agreement.
import os
def ismount(path):
"""Test whether a path is a mount point
clone of os.path.ismount (from cpython Lib/posixpath.py)
fixed to solve https://github.com/ansible/ansible-modules-core/issues/2186
and workaround non-fixed http://bugs.python.org/issue2466
this should be rewritten as soon as python issue 2466 is fixed
probably check for python version and use os.path.ismount if fixed
to remove replace in this file ismount( -> os.path.ismount( and remove this
function"""
try:
s1 = os.lstat(path)
except OSError:
# the OSError should be handled with more care
# it could be a "permission denied" but path is still a mount
return False
else:
# A symlink can never be a mount point
if os.path.stat.S_ISLNK(s1.st_mode):
return False
parent = os.path.join(path, os.path.pardir)
parent = os.path.realpath(parent)
try:
s2 = os.lstat(parent)
except OSError:
# one should handle the returned OSError with more care to figure
# out whether this is still a mount
return False
if s1.st_dev != s2.st_dev:
return True # path/.. on a different device as path
if s1.st_ino == s2.st_ino:
return True # path/.. is the same i-node as path, i.e. path=='/'
return False
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