117 lines
4.3 KiB
Python
117 lines
4.3 KiB
Python
# 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 BSD licensed.
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# Modules you write using this snippet, which is embedded dynamically by Ansible
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# still belong to the author of the module, and may assign their own license
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# to the complete work.
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#
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# Copyright (c) 2017, Toshio Kuratomi <tkuratomi@ansible.com>
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#
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# This code is based on code from Astropy and retains their 3-clause BSD license
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# reproduced below:
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#
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# Copyright (c) 2011-2016, Astropy Developers
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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# * Neither the name of the Astropy Team nor the names of its contributors may
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# be used to endorse or promote products derived from this software without
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# specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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# Astropy License: https://github.com/astropy/astropy/blob/cf3265e42a0db8e00bb90644db37c8150f5ac00c/licenses/LICENSE.rst
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# Astropy Code: https://github.com/astropy/astropy/blob/cf3265e42a0db8e00bb90644db37c8150f5ac00c/astropy/extern/six.py
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"""
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Handle loading six package from system or from the bundled copy
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"""
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from __future__ import absolute_import
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import imp as _imp
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import sys as _sys
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try:
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from distutils.version import LooseVersion as _LooseVersion
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except ImportError:
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# Some platforms *cough*Solaris*cough* don't ship the whole stdlib
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_LooseVersion = None
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try:
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import six as _system_six
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except ImportError:
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_system_six = None
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from . import _six as _bundled_six
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def _find_module(name, path=None):
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"""Alternative to `imp.find_module` that can also search in subpackages"""
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parts = name.split('.')
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for part in parts:
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if path is not None:
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path = [path]
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fh, path, descr = _imp.find_module(part, path)
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return fh, path, descr
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def _get_bundled_six_source():
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# Special import loader (zipimport for instance)
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found = False
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for path in _sys.path:
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importer = _sys.path_importer_cache.get(path)
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if importer:
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try:
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found = importer.find_module('ansible/module_utils/six/_six')
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except ImportError:
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continue
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if found:
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break
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else:
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raise ImportError("Could not find ansible.module_utils.six._six")
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module_source = importer.get_source('ansible/module_utils/six/_six')
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return module_source
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def _get_six_source():
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"""Import the newest version of the six library that's available"""
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mod_info = None
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try:
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if _system_six and _LooseVersion and \
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_LooseVersion(_system_six.__version__) >= _LooseVersion(_bundled_six.__version__):
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mod_info = _find_module('six')
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except:
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# Any errors finding the system library, use our bundled lib instead
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pass
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if not mod_info:
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try:
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mod_info = _find_module('ansible.module_utils.six._six')
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except ImportError:
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# zipimport
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module_source = _get_bundled_six_source()
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return module_source
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return mod_info[0].read()
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source = _get_six_source()
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exec(source)
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