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#!/usr/bin/env python2
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# Gnome15 - Suite of tools for the Logitech G series keyboards and headsets
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# Copyright (C) 2011 Brett Smith <tanktarta@blueyonder.co.uk>
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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 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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# 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 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 this program. If not, see <http://www.gnu.org/licenses/>.
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"""
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DBUS System Service that is intended to replace 'lgsetled', the command line tool initially
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used by the kernel driver support to set the brightness of keyboard lights (the device
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files of which require root access, as they are in /sys).
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"""
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import sys
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import os
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import glib
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# Allow running from local path
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path = os.path.abspath(os.path.join(os.path.abspath(os.path.dirname(sys.argv[0])), ".."))
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if os.path.exists(path):
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sys.path.insert(0, path)
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# Logging
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import gnome15.g15logging as g15logging
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logger = g15logging.get_root_logger()
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#
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import gobject
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gobject.threads_init()
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# DBUS - Use to check current desktop service status or stop it
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import dbus
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from dbus.mainloop.glib import DBusGMainLoop
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from dbus.mainloop.glib import threads_init
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threads_init()
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DBusGMainLoop(set_as_default=True)
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# Server host class
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def check_service_status(bus):
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return bus.name_has_owner('org.gnome15.SystemService')
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def start_service(bus, no_trap=False,):
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try :
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import setproctitle
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setproctitle.setproctitle(os.path.basename(os.path.abspath(sys.argv[0])))
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except ImportError as ie:
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# Not a big issue
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logger.debug("No setproctitle, process will be named 'python'", exc_info = ie)
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# Start the loop
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try :
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import gnome15.g15system as g15system
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service = g15system.G15SystemServiceController(bus, no_trap=no_trap)
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service.start_loop()
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except dbus.exceptions.NameExistsException as e:
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logger.debug("Gnome15 service already running", exc_info = e)
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print "Gnome15 desktop service is already running"
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sys.exit(1)
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if __name__ == "__main__":
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import optparse
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parser = optparse.OptionParser()
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parser.add_option("-l", "--log", dest="log_level", metavar="INFO,DEBUG,WARNING,ERROR,CRITICAL",
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default="warning" , help="Log level")
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parser.add_option("-f", "--foreground", action="store_true", dest="foreground",
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default=False, help="Run desktop service in foreground.")
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parser.add_option("-s", "--session", action="store_true", dest="use_session_bus",
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default=False, help="Use the session bus instead of system bus.")
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parser.add_option("-n", "--notrap", action="store_true", dest="no_trap",
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default=False, help="Do not try to trap signals.")
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(options, args) = parser.parse_args()
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if options.log_level != None:
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logger.setLevel(g15logging.get_level(options.log_level))
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if len(args) == 1 and ( args[0] == "stop" or args[0] == "restart" ):
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bus = dbus.SessionBus() if options.use_session_bus else dbus.SystemBus()
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if not check_service_status(bus):
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if args[0] == "stop":
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print "Gnome15 system service is not running"
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else:
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service_object = bus.get_object('org.gnome15.SystemService', '/org/gnome15/SystemService')
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system_service = dbus.Interface(service_object, 'org.gnome15.SystemService')
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system_service.Stop()
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if len(args) == 0 or ( len(args) == 1 and ( args[0] == "start" or args[0] == "restart" ) ):
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bus = dbus.SessionBus() if options.use_session_bus else dbus.SystemBus()
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if check_service_status(bus):
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print "Gnome15 desktop service already running"
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else:
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if options.foreground or ( not options.foreground and os.fork() == 0 ):
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start_service(bus, options.no_trap)
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