197 lines
6.9 KiB
Python
197 lines
6.9 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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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._key = _legacy_cmpkey(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._key, PluginVersion(version)._key)
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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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###############################################################################
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"""
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The Python world has migrated to the versioning scheme defined in PEP 440, but
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the versioning of Jenkins plugins is less strict than that. The code below was
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salvaged from the implementation of the `LegacyVersion` class, which used to be
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part of the `packaging` library prior to version 22.0.
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It is licensed as follows.
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Copyright (c) Donald Stufft and individual contributors.
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All rights reserved.
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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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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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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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_legacy_version_component_re = re.compile(r"(\d+ | [a-z]+ | \.| -)", re.VERBOSE)
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_legacy_version_replacement_map = {
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"pre": "c",
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"preview": "c",
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"-": "final-",
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"rc": "c",
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"dev": "@",
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}
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def _parse_version_parts(s):
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for part in _legacy_version_component_re.split(s):
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part = _legacy_version_replacement_map.get(part, part)
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if not part or part == ".":
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continue
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if part[:1] in "0123456789":
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# pad for numeric comparison
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yield part.zfill(8)
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else:
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yield "*" + part
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# ensure that alpha/beta/candidate are before final
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yield "*final"
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def _legacy_cmpkey(version):
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# We hardcode an epoch of -1 here. A PEP 440 version can only have a epoch
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# greater than or equal to 0. This will effectively put the LegacyVersion,
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# which uses the defacto standard originally implemented by setuptools,
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# as before all PEP 440 versions.
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epoch = -1
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# This scheme is taken from pkg_resources.parse_version setuptools prior to
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# it's adoption of the packaging library.
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parts = []
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for part in _parse_version_parts(version.lower()):
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if part.startswith("*"):
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# remove "-" before a prerelease tag
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if part < "*final":
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while parts and parts[-1] == "*final-":
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parts.pop()
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# remove trailing zeros from each series of numeric parts
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while parts and parts[-1] == "00000000":
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parts.pop()
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parts.append(part)
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return epoch, tuple(parts)
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