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https://github.com/freedombox/FreedomBox.git
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3d38b8a686
Fixes freedombox-team/freedom-maker#149 Signed-off-by: Joseph Nuthalapati <njoseph@thoughtworks.com> Reviewed-by: Sunil Mohan Adapa <sunil@medhas.org>
117 lines
3.9 KiB
Python
Executable File
117 lines
3.9 KiB
Python
Executable File
#!/usr/bin/python3
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# -*- mode: python -*-
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#
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# This file is part of FreedomBox.
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#
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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 Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (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 Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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"""
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Script to check for availability of buster-backports and create an
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apt sources list for backports if available.
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"""
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import argparse
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import os
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import requests
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from plinth import action_utils
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BUSTER_BACKPORTS_RELEASE_FILE_URL = "http://cdn-fastly.deb.debian.org/debian/dists/buster-backports/Release"
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def parse_arguments():
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"""Return parsed command line arguments as dictionary."""
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parser = argparse.ArgumentParser()
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subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
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subparsers.add_parser('enable', help='Enable buster backports check')
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subparsers.add_parser('disable', help='Disable buster backports check')
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subparsers.add_parser('check-backports',
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help='Check whether buster backports are available')
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subparsers.required = True
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return parser.parse_args()
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def add_buster_backports_sources():
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backports_list = '/etc/apt/sources.list.d/freedombox-backports.list'
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conf = \
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"""deb http://deb.debian.org/debian buster-backports main
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deb-src http://deb.debian.org/debian buster-backports main
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"""
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components = {"main"}
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# Use tor+http if download over tor is enabled in sources.list
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with open('/etc/apt/sources.list', 'r') as sources_list:
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sources = sources_list.readlines()
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for line in sources:
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if not line.startswith("#") and "tor+http" in line:
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conf = conf.replace("http", "tor+http")
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# Check for contrib and nonfree components
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if "contrib" in line:
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components.add("contrib")
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if "nonfree" in line:
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components.add("nonfree")
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break
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conf = conf.replace("main", " ".join(components))
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if not os.path.exists(backports_list):
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try:
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with open(backports_list, 'w') as file_handle:
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file_handle.write(conf)
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except PermissionError:
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print(("Failed adding sources list for buster-backports."
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"Try running as a superuser."))
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def subcommand_check_backports(_):
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"""Check whether buster backports is available.
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Add a sources file if it's available.
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"""
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response = requests.get(BUSTER_BACKPORTS_RELEASE_FILE_URL)
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if response.status_code == 404:
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print("Release file for Buster backports is not available yet.")
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else:
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print("Buster backports is now available. Adding to sources...")
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add_buster_backports_sources()
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def subcommand_enable(_):
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"""Enable systemd service for the daily job buster-backports-check."""
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action_utils.service_enable('buster-backports-check.timer')
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action_utils.service_start('buster-backports-check.timer')
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def subcommand_disable(_):
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"""Disable systemd service for the daily job buster-backports-check."""
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action_utils.service_stop('buster-backports-check.timer')
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action_utils.service_disable('buster-backports-check.timer')
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def main():
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"""Parse arguments and perform all duties."""
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arguments = parse_arguments()
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subcommand = arguments.subcommand.replace('-', '_')
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subcommand_method = globals()['subcommand_' + subcommand]
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subcommand_method(arguments)
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if __name__ == '__main__':
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main()
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