Sunil Mohan Adapa 00d8e03d90
ttrss: Minor refactoring
Signed-off-by: Sunil Mohan Adapa <sunil@medhas.org>
2017-10-16 17:45:41 +05:30

138 lines
4.2 KiB
Python
Executable File

#!/usr/bin/python3
# -*- mode: python -*-
#
# This file is part of Plinth.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""
Configuration helper for Tiny Tiny RSS.
"""
import argparse
import augeas
import subprocess
from plinth import action_utils
CONFIG_FILE = '/etc/tt-rss/config.php'
DEFAULT_FILE = '/etc/default/tt-rss'
DATABASE_FILE = '/etc/tt-rss/database.php'
def parse_arguments():
"""Return parsed command line arguments as dictionary."""
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(dest='subcommand', help='Sub command')
subparsers.add_parser('pre-setup', help='Perform pre-setup operations')
subparsers.add_parser('setup', help='Setup Tiny Tiny RSS configuration')
subparsers.add_parser('enable', help='Enable Tiny Tiny RSS site')
subparsers.add_parser('disable', help='Disable Tiny Tiny RSS site')
subparsers.required = True
return parser.parse_args()
def subcommand_pre_setup(_):
"""Preseed debconf values before packages are installed."""
subprocess.check_output(
['debconf-set-selections'],
input=b'tt-rss tt-rss/database-type string pgsql')
def subcommand_setup(_):
"""Setup Tiny Tiny RSS configuration."""
aug = load_augeas()
aug.set('/files' + DEFAULT_FILE + '/DISABLED', '0')
for match in aug.match('/files' + CONFIG_FILE + '/define'):
if aug.get(match) == 'SELF_URL_PATH':
aug.set(match + '/value', "'http://localhost/tt-rss/'")
elif aug.get(match) == 'PLUGINS':
aug.set(match + '/value', "'auth_remote, note'")
aug.save()
action_utils.service_restart('tt-rss')
action_utils.webserver_enable('tt-rss-plinth')
enable_api_access()
def enable_api_access():
"""Enable API access so that tt-rss can be accessed through mobile app."""
import psycopg2 # Only available post installation
aug = load_augeas()
def get_value(variable_name):
"""Return the value of a variable from database configuration file."""
return aug.get('/files' + DATABASE_FILE + '/$' + variable_name) \
.strip("'\"")
user = get_value('dbuser')
password = get_value('dbpass')
database = get_value('dbname')
host = get_value('dbserver')
connection = psycopg2.connect(
database=database, user=user, password=password, host=host)
cursor = connection.cursor()
cursor.execute("UPDATE ttrss_prefs SET def_value=true "
"WHERE pref_name='ENABLE_API_ACCESS';")
connection.commit()
connection.close()
def subcommand_enable(_):
"""Enable web configuration and reload."""
action_utils.service_enable('tt-rss')
action_utils.webserver_enable('tt-rss-plinth')
def subcommand_disable(_):
"""Disable web configuration and reload."""
action_utils.webserver_disable('tt-rss-plinth')
action_utils.service_disable('tt-rss')
def load_augeas():
"""Initialize Augeas."""
aug = augeas.Augeas(flags=augeas.Augeas.NO_LOAD +
augeas.Augeas.NO_MODL_AUTOLOAD)
aug.set('/augeas/load/Shellvars/lens', 'Shellvars.lns')
aug.set('/augeas/load/Shellvars/incl[last() + 1]', DEFAULT_FILE)
aug.set('/augeas/load/Phpvars/lens', 'Phpvars.lns')
aug.set('/augeas/load/Phpvars/incl[last() + 1]', CONFIG_FILE)
aug.set('/augeas/load/Phpvars/incl[last() + 1]', DATABASE_FILE)
aug.load()
return aug
def main():
"""Parse arguments and perform all duties."""
arguments = parse_arguments()
subcommand = arguments.subcommand.replace('-', '_')
subcommand_method = globals()['subcommand_' + subcommand]
subcommand_method(arguments)
if __name__ == '__main__':
main()