51 lines
1.7 KiB
Python
51 lines
1.7 KiB
Python
# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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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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import stat
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from time import sleep
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from errno import EEXIST
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__all__ = ['is_executable', 'unfrackpath']
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def is_executable(path):
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'''is the given path executable?'''
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return (stat.S_IXUSR & os.stat(path)[stat.ST_MODE] or stat.S_IXGRP & os.stat(path)[stat.ST_MODE] or stat.S_IXOTH & os.stat(path)[stat.ST_MODE])
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def unfrackpath(path):
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'''
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returns a path that is free of symlinks, environment
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variables, relative path traversals and symbols (~)
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example:
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'$HOME/../../var/mail' becomes '/var/spool/mail'
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'''
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return os.path.normpath(os.path.realpath(os.path.expandvars(os.path.expanduser(path))))
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def makedirs_safe(path, mode=None):
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'''Safe way to create dirs in muliprocess/thread environments'''
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if not os.path.exists(path):
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try:
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if mode:
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os.makedirs(path, mode)
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else:
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os.makedirs(path)
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except OSError, e:
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if e.errno != EEXIST:
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raise
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