Current File : //usr/lib/python3.6/site-packages/dnf-plugins/changelog.py
# changelog.py
# DNF plugin adding a command changelog.
#
# Copyright (C) 2014 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details. You should have received a copy of the
# GNU General Public License along with this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
from __future__ import absolute_import
from __future__ import unicode_literals
import argparse
import collections
import dateutil.parser
from dnfpluginscore import _, P_, logger
import dnf
import dnf.cli
def validate_date(val):
try:
return dateutil.parser.parse(val, fuzzy=True)
except (ValueError, TypeError, OverflowError):
raise argparse.ArgumentTypeError(_('Not a valid date: "{0}".').format(val))
@dnf.plugin.register_command
class ChangelogCommand(dnf.cli.Command):
aliases = ('changelog',)
summary = _('Show changelog data of packages')
@staticmethod
def set_argparser(parser):
filter_group = parser.add_mutually_exclusive_group()
filter_group.add_argument(
'--since', metavar="DATE", default=None,
type=validate_date,
help=_('show changelog entries since DATE. To avoid ambiguosity, '
'YYYY-MM-DD format is recommended.'))
filter_group.add_argument(
'--count', default=None, type=int,
help=_('show given number of changelog entries per package'))
filter_group.add_argument(
'--upgrades', default=False, action='store_true',
help=_('show only new changelog entries for packages, that provide an '
'upgrade for some of already installed packages.'))
parser.add_argument("package", nargs='*', metavar=_('PACKAGE'))
def configure(self):
demands = self.cli.demands
demands.available_repos = True
demands.sack_activation = True
demands.changelogs = True
def query(self):
q = self.base.sack.query()
if self.opts.package:
q.filterm(empty=True)
for pkg in self.opts.package:
pkg_q = dnf.subject.Subject(pkg, ignore_case=True).get_best_query(
self.base.sack, with_nevra=True,
with_provides=False, with_filenames=False)
if self.opts.repo:
pkg_q.filterm(reponame=self.opts.repo)
if pkg_q:
q = q.union(pkg_q.latest())
else:
logger.info(_('No match for argument: %s') % pkg)
elif self.opts.repo:
q.filterm(reponame=self.opts.repo)
if self.opts.upgrades:
q = q.upgrades()
else:
q = q.available()
return q
def by_srpm(self, packages):
by_srpm = collections.OrderedDict()
for pkg in sorted(packages):
by_srpm.setdefault((pkg.source_name or pkg.name, pkg.evr), []).append(pkg)
return by_srpm
def filter_changelogs(self, package):
if self.opts.upgrades:
return self.base.latest_changelogs(package)
elif self.opts.count:
return package.changelogs[:self.opts.count]
elif self.opts.since:
return [chlog for chlog in package.changelogs
if chlog['timestamp'] >= self.opts.since.date()]
else:
return package.changelogs
def run(self):
if self.opts.since:
logger.info(_('Listing changelogs since {}').format(self.opts.since))
elif self.opts.count:
logger.info(P_('Listing only latest changelog',
'Listing {} latest changelogs',
self.opts.count).format(self.opts.count))
elif self.opts.upgrades:
logger.info(
_('Listing only new changelogs since installed version of the package'))
else:
logger.info(_('Listing all changelogs'))
by_srpm = self.by_srpm(self.query())
for name in by_srpm:
print(_('Changelogs for {}').format(
', '.join(sorted({str(pkg) for pkg in by_srpm[name]}))))
for chlog in self.filter_changelogs(by_srpm[name][0]):
print(self.base.format_changelog(chlog))
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