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#!/usr/bin/python2.4
#
# Copyright 2009 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
# pylint: disable-msg=W0403
import sys
import logging
import optparse
import _pythonpath
import gpgme
from canonical.launchpad.scripts import (
execute_zcml_for_scripts, logger_options, logger as logger_from_options)
from lp.registry.scripts.keyringtrustanalyser import (
addOtherKeyring, addTrustedKeyring, findEmailClusters)
validity_map = {
'UNDEFINED': gpgme.VALIDITY_UNDEFINED,
'NEVER': gpgme.VALIDITY_NEVER,
'MARGINAL': gpgme.VALIDITY_MARGINAL,
'FULL': gpgme.VALIDITY_FULL,
'ULTIMATE': gpgme.VALIDITY_ULTIMATE,
}
def main(argv):
parser = optparse.OptionParser(
usage="usage: %prog [options] keyrings ...",
description="This script inferrs clusters of "
"email addresses belonging to a single user "
"from the user IDs attached to PGP keys.")
parser.add_option('-o', '--output', metavar='FILE', action='store',
help='Output clusters to given file',
type='string', dest='output', default=None)
parser.add_option('--trust', metavar='KEYRING', action='append',
help='Trust the owners of keys on this keyring',
type='string', dest='trust', default=[])
parser.add_option('--owner-trust', metavar='TRUST', action='store',
help='What level of trust to assign to trusted keys',
type='string', dest='owner_trust', default='ULTIMATE')
parser.add_option('--min-valid', metavar='TRUST', action='store',
help='Minimum trust necessary for a user ID to '
'be considered valid',
type='string', dest='minvalid', default='MARGINAL')
logger_options(parser, logging.WARNING)
options, args = parser.parse_args(argv[1:])
# map validity options
if options.owner_trust.upper() not in validity_map:
sys.stderr.write('%s: unknown owner trust value %s'
% (argv[0], options.owner_trust))
return 1
options.owner_trust = validity_map[options.owner_trust.upper()]
if options.minvalid.upper() not in validity_map:
sys.stderr.write('%s: unknown min valid value %s'
% (argv[0], options.minvalid))
return 1
options.minvalid = validity_map[options.minvalid.upper()]
# get logger
logger = logger_from_options(options)
if options.output is not None:
logger.debug('openning %s', options.output)
fp = open(options.output, 'w')
else:
fp = sys.stdout
logger.info('Setting up utilities')
execute_zcml_for_scripts()
logger.info('Loading trusted keyrings')
for keyring in options.trust:
logger.info('Loading %s', keyring)
addTrustedKeyring(keyring, options.owner_trust)
logger.info('Loading other keyrings')
for keyring in args:
logger.info('Loading %s', keyring)
addOtherKeyring(keyring)
logger.info('Computing address clusters')
for cluster in findEmailClusters(options.minvalid):
for email in cluster:
fp.write('%s\n' % email)
fp.write('\n')
logger.info('Done')
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv))
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