input-remapper/bin/key-mapper-service

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# key-mapper - GUI for device specific keyboard mappings
# Copyright (C) 2020 sezanzeb <proxima@sezanzeb.de>
#
# This file is part of key-mapper.
#
# key-mapper 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, either version 3 of the License, or
# (at your option) any later version.
#
# key-mapper 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 key-mapper.  If not, see <https://www.gnu.org/licenses/>.


"""Starts injecting keycodes based on the configuration."""


import sys
import atexit
from argparse import ArgumentParser

import gi
gi.require_version('GLib', '2.0')
from gi.repository import GLib
from pydbus import SystemBus

from keymapper.logger import update_verbosity, log_info, \
    add_filehandler, logger
from keymapper.permissions import can_read_devices


if __name__ == '__main__':
    parser = ArgumentParser()
    parser.add_argument(
        '-d', '--debug', action='store_true', dest='debug',
        help='Displays additional debug information',
        default=False
    )

    options = parser.parse_args(sys.argv[1:])

    update_verbosity(options.debug)

    # import key-mapper stuff after setting the log verbosity
    from keymapper.daemon import Daemon, BUS_NAME

    add_filehandler()
    log_info()

    can_read_devices()

    bus = SystemBus()
    loop = GLib.MainLoop()
    daemon = Daemon()

    try:
        bus.publish(BUS_NAME, daemon)
    except RuntimeError as error:
        logger.error('Is the service is already running? %s', str(error))
        sys.exit(1)

    atexit.register(daemon.stop_all)

    loop.run()