Merge pull request #350 from aplanas/master
Add update_crawler.py script
This commit is contained in:
Ludwig Nussel
commit
1fda6f26b0
182
update_crawler.py
Executable file
182
update_crawler.py
Executable file
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Copyright (c) 2015 SUSE Linux GmbH
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import argparse
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import itertools
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import logging
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import sys
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from xml.etree import cElementTree as ET
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import osc.conf
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import osc.core
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from osclib.memoize import memoize
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OPENSUSE = 'openSUSE:42'
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SLE = 'SUSE:SLE-12:Update'
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makeurl = osc.core.makeurl
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http_GET = osc.core.http_GET
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class UpdateCrawler(object):
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def __init__(self, from_prj, to_prj):
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self.from_prj = from_prj
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self.to_prj = to_prj
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self.apiurl = osc.conf.config['apiurl']
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self.debug = osc.conf.config['debug']
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def get_source_packages(self, project, expand=False):
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"""Return the list of packages in a project."""
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query = {'expand': 1} if expand else {}
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root = ET.parse(
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http_GET(makeurl(self.apiurl,
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['source', project],
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query=query))).getroot()
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packages = [i.get('name') for i in root.findall('entry')]
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return packages
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@memoize()
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def _get_source_package(self, project, package):
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return http_GET(makeurl(self.apiurl,
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['source', project, package],
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{'view': 'info'})).read()
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def get_source_verifymd5(self, project, package):
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""" Return the verifymd5 of a source package."""
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root = ET.fromstring(self._get_source_package(project, package))
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return root.get('verifymd5')
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def get_update_candidates(self):
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"""Get the grouped update list from `fron_prj` project.
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Return a list of updates for every package, including only the
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last update for every package. Every element is a tuple, where
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the first element is the name of the package and the second
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one the most update version of the package:
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[
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('DirectFB', 'DirectFB.577'),
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('MozillaFirefox', 'MozillaFirefox.544'),
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('PackageKit', 'PackageKit.103'),
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...,
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]
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"""
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# From the list of packages, filter non-updates and the
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# 'patchinfo'
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packages = self.get_source_packages(self.from_prj)
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packages = [i for i in packages
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if not i.startswith('patchinfo') and i.split('.')[-1].isdigit()]
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# Group by package name and revert the order of updates
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updates = [list(reversed(list(i)))
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for _, i in itertools.groupby(packages,
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lambda x: x.split('.')[0])]
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# Get the last version of every package
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updates = [(i[0].split('.')[0], i[0]) for i in updates]
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return updates
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def _submitrequest(self, src_project, src_package, dst_project,
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dst_package, msg):
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"""Create a submit request."""
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states = ['new', 'review', 'declined']
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reqs = osc.core.get_exact_request_list(self.apiurl,
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src_project,
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dst_project,
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src_package,
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dst_package,
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req_type='submit',
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req_state=states)
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res = None
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if not reqs:
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res = osc.core.create_submit_request(self.apiurl,
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src_project,
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src_package,
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dst_project,
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dst_package,
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message=msg)
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return res
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def submitrequest(self, src_package, dst_package):
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"""Create a submit request using the osc.commandline.Osc class."""
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src_project = self.from_prj
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dst_project = self.to_prj
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msg = 'Automatic request from %s by UpdateCrawler' % src_project
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self._submitrequest(src_project, src_package, dst_project,
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dst_package, msg)
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raise Exception()
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def crawl(self):
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"""Main method of the class that run the crawler."""
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updates = self.get_update_candidates()
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packages = set(self.get_source_packages(self.to_prj, expand=True))
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to_update = []
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for package, update in updates:
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if package not in packages:
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logging.info('Package %s not found in %s' % (package, self.to_prj))
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continue
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md5_from = self.get_source_verifymd5(self.from_prj, update)
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md5_to = self.get_source_verifymd5(self.to_prj, package)
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if md5_from != md5_to:
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to_update.append((package, update))
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logging.info('Package %s marked for update' % package)
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else:
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logging.info('Package %s not marked for update' % package)
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for package, update in to_update:
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res = self.submitrequest(update, package)
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if res:
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logging.info('Created request %s for %s' % (res, package))
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else:
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logging.error('Error creating the request for %s' % package)
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def main(args):
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# Configure OSC
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osc.conf.get_config(override_apiurl=args.apiurl)
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osc.conf.config['debug'] = args.debug
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uc = UpdateCrawler(args.from_prj, args.to_prj)
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uc.crawl()
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if __name__ == '__main__':
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description = 'Create SR from SLE to the new openSUSE:42 project for '\
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'every new update.'
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parser = argparse.ArgumentParser(description=description)
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parser.add_argument('-A', '--apiurl', metavar='URL', help='API URL')
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parser.add_argument('-d', '--debug', action='store_true',
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help='print info useful for debuging')
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parser.add_argument('-f', '--from', dest='from_prj', metavar='PROJECT',
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help='project where to get the updates (default: %s)' % SLE,
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default=SLE)
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parser.add_argument('-t', '--to', dest='to_prj', metavar='PROJECT',
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help='project where to submit the updates (default: %s)' % OPENSUSE,
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default=OPENSUSE)
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args = parser.parse_args()
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# Set logging configuration
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logging.basicConfig(level=logging.DEBUG if args.debug
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else logging.INFO)
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sys.exit(main(args))
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