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130 lines
3.5 KiB
Python
130 lines
3.5 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# key-mapper - GUI for device specific keyboard mappings
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# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
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#
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# This file is part of key-mapper.
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#
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# key-mapper is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# key-mapper 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with key-mapper. If not, see <https://www.gnu.org/licenses/>.
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"""Starts injecting keycodes based on the configuration."""
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import sys
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import os
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import atexit
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import grp
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from argparse import ArgumentParser
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import gi
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gi.require_version('GLib', '2.0')
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from gi.repository import GLib
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from pydbus import SessionBus
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from keymapper.logger import update_verbosity, log_info, \
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add_filehandler, logger
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from keymapper.daemon import Daemon, BUS_NAME
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from keymapper.state import system_mapping
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from keymapper.paths import USER
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from keymapper.dev.permissions import can_read_devices
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def run(cmd):
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"""Run and log a command."""
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logger.info('Running `%s`...', cmd)
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code = os.system(cmd)
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if code != 0:
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logger.error('Failed. exit code %d', code)
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def group_exists(name):
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"""Check if a group with that name exists."""
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try:
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grp.getgrnam(name)
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return True
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except KeyError:
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return False
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if __name__ == '__main__':
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parser = ArgumentParser()
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parser.add_argument(
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'-d', '--debug', action='store_true', dest='debug',
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help='Displays additional debug information',
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default=False
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)
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parser.add_argument(
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'-n', '--key-names', action='store_true', dest='key_names',
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help='Print all available names for the mapping',
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default=False
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)
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parser.add_argument(
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'-s', '--setup-permissions', action='store_true', dest='setup',
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help=(
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'Requires sudo. Sets up all needed permissions to run '
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'key-mapper as regular user'
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),
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default=False
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)
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options = parser.parse_args(sys.argv[1:])
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update_verbosity(options.debug)
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add_filehandler()
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log_info()
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if options.key_names:
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# TODO test
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print('\n'.join(system_mapping.list_names()))
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sys.exit(0)
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if options.setup:
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if os.environ['USER'] != 'root' or USER == 'root':
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# USER should contain the actual non-root user
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logger.error('This only works using sudo')
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sys.exit(1)
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if group_exists('input'):
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run('usermod -a -G input $USER')
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if group_exists('plugdev'):
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run('usermod -a -G plugdev $USER')
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run('setfacl -m u:$USER:rw- /dev/uinput')
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logger.info(
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'For these changes to take effect log out and in. '
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'In some environments you may need to reboot.'
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)
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sys.exit(0)
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can_read_devices()
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bus = SessionBus()
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loop = GLib.MainLoop()
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daemon = Daemon(loop)
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try:
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bus.publish(BUS_NAME, daemon)
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except RuntimeError:
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logger.error('The service is already running')
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sys.exit(1)
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daemon.autoload()
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atexit.register(lambda: daemon.stop(True))
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loop.run()
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