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# deb_plugin.py - common package for post_cleanup for apt/.deb packages
# Copyright (C) 2008 Canonical, Ltd.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 3 of the License.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty 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, see <http://www.gnu.org/licenses/>.
import computerjanitor
import apt
class DebPlugin(computerjanitor.Plugin):
"""Plugin for post_cleanup processing with apt.
This plugin does not find any cruft of its own. Instead it
centralizes the post_cleanup handling for all packages that remove
.deb packages.
"""
def get_cruft(self):
return []
def post_cleanup(self):
try:
self.app.apt_cache.commit(apt.progress.text.AcquireProgress(),
apt.progress.base.InstallProgress())
except Exception: # pragma: no cover
raise
finally:
self.app.refresh_apt_cache()