#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# Univention App Center
# univention-app module for searching for available upgrading
#
# Copyright 2015-2022 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.
#
from univention.appcenter.app_cache import Apps
from univention.appcenter.actions import UniventionAppAction, StoreAppAction
from univention.appcenter.ucr import ucr_save, ucr_is_true
[docs]class UpgradeSearch(UniventionAppAction):
'''Searches for available upgrades of apps.'''
help = 'Searches for upgrades'
[docs] def setup_parser(self, parser):
parser.add_argument('app', nargs='*', action=StoreAppAction, help='The ID of the App')
parser.add_argument('--do-not-update', action='store_false', dest='update', help='Do not download new ini files from the App Center server')
[docs] def main(self, args):
from univention.appcenter.actions import get_action
if args.update:
get_action('update').call()
apps = args.app
if not apps:
apps = Apps().get_all_locally_installed_apps()
for app in apps:
self.debug('Checking %s' % app)
if not app.is_installed():
continue
upgrade_available = self._check_for_upgrades(app)
if upgrade_available is True:
ucr_save({app.ucr_upgrade_key: 'yes'})
elif upgrade_available is False:
ucr_save({app.ucr_upgrade_key: None})
return any(ucr_is_true(app.ucr_upgrade_key) for app in apps)
def _check_for_upgrades(self, app):
return Apps().find_candidate(app) is not None
