112 lines
3.7 KiB
Python
112 lines
3.7 KiB
Python
# Software License Agreement (BSD License)
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#
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# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
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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
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# are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials provided
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# with the distribution.
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# * Neither the name of Willow Garage, Inc. nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# 'AS IS' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# 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
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# Authors:
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# Darragh Bailey <dbailey@hp.com>
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'''
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.. module:: jenkins.plugins
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:platform: Unix, Windows
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:synopsis: Class for interacting with plugins
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'''
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import operator
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import re
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import pkg_resources
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class Plugin(dict):
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'''Dictionary object containing plugin metadata.'''
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def __init__(self, *args, **kwargs):
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'''Populates dictionary using json object input.
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accepts same arguments as python `dict` class.
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'''
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version = kwargs.pop('version', None)
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super(Plugin, self).__init__(*args, **kwargs)
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self['version'] = version
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def __setitem__(self, key, value):
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'''Overrides default setter to ensure that the version key is always
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a PluginVersion class to abstract and simplify version comparisons
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'''
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if key == 'version':
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value = PluginVersion(value)
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super(Plugin, self).__setitem__(key, value)
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class PluginVersion(str):
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'''Class providing comparison capabilities for plugin versions.'''
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_VERSION_RE = re.compile(r'(.*)-(?:SNAPSHOT|BETA)')
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def __init__(self, version):
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'''Parse plugin version and store it for comparison.'''
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self._version = version
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self.parsed_version = pkg_resources.parse_version(
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self.__convert_version(version))
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def __convert_version(self, version):
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return self._VERSION_RE.sub(r'\g<1>.preview', str(version))
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def __compare(self, op, version):
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return op(self.parsed_version, pkg_resources.parse_version(
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self.__convert_version(version)))
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def __le__(self, version):
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return self.__compare(operator.le, version)
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def __lt__(self, version):
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return self.__compare(operator.lt, version)
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def __ge__(self, version):
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return self.__compare(operator.ge, version)
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def __gt__(self, version):
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return self.__compare(operator.gt, version)
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def __eq__(self, version):
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return self.__compare(operator.eq, version)
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def __ne__(self, version):
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return self.__compare(operator.ne, version)
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def __str__(self):
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return str(self._version)
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def __repr__(self):
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return str(self._version)
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