101 lines
3.3 KiB
Python
Executable File
101 lines
3.3 KiB
Python
Executable File
#!/usr/bin/python
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# This program 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 2 of the License, or
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# (at your option) any later version.
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#
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# This program 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 Library 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 this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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#
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# Parts Copyright 2007 Red Hat, Inc
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import warnings
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warnings.filterwarnings("ignore")
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from optparse import OptionParser
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import collections
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import json
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import pkg_resources
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from yum import YumBase
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def parse_py_req(text):
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if not text:
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return None
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return pkg_resources.Requirement.parse(text)
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def find_matches(base, rpm_name, py_req=None):
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rpms = base.doPackageLists(patterns=[rpm_name], ignore_case=True,
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showdups=True)
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all_rpms = []
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all_rpms.extend(rpms.available)
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all_rpms.extend(rpms.installed)
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all_rpms.extend(rpms.extras)
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all_rpms.extend(rpms.reinstall_available)
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yum_map = collections.defaultdict(list)
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for rpm in all_rpms:
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for provides in rpm.provides:
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yum_map[provides[0]].append((rpm.version, rpm))
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rpm_matches = []
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for (version, rpm) in yum_map.get(rpm_name, []):
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if py_req is None or version in py_req:
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rpm_matches.append(rpm)
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return rpm_matches
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if __name__ == '__main__':
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parser = OptionParser()
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parser.add_option("-p", dest="packages", action="append",
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help="rpm-name,python-requirement(optional) to attempt to match",
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metavar="RPM-REQ")
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parser.add_option("-j", '--json', dest="is_json", action="store_true",
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default=False,
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help="output the package details in json"
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" (which is easier to parse)")
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(options, args) = parser.parse_args()
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if not options.packages:
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parser.error("Option 'packages' is required")
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examine_what = []
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for p in options.packages:
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try:
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(rpm_name, python_req) = p.split(",", 1)
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rpm_name = rpm_name.strip()
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python_req = python_req.strip()
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examine_what.append((rpm_name, python_req))
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except ValueError:
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rpm_name = p.strip()
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examine_what.append((rpm_name, None))
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base = YumBase()
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base.doConfigSetup(debuglevel=-1, errorlevel=-1)
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for (rpm_name, py_req) in examine_what:
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req = parse_py_req(py_req)
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matches = find_matches(base, rpm_name, req)
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if matches:
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# Pick the newest match.
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pkg = sorted(matches)[-1]
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if options.is_json:
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print(json.dumps({
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'arch': pkg.arch,
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'epoch': pkg.epoch,
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'name': pkg.name,
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'release': pkg.release,
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'version': pkg.version,
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}))
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else:
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print(pkg)
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else:
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# Nothing found.
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print("")
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