class AutoBrightnessService(dbus.service.Object): def __init__(self): path = '/com/github/sheinz/autobrightness' bus_loop = DBusQtMainLoop(set_as_default=True) self._bus = dbus.SessionBus(mainloop=bus_loop) name = dbus.service.BusName('com.github.sheinz.autobrightness', bus=self._bus) dbus.service.Object.__init__(self, name, path) self.notifier = Notifier(self._bus) self._auto = False self._als = AmbientLightSensor() self._br_ctrl = BrightnessCtrl(self._bus) self._process_timer = QtCore.QTimer() self._process_timer.timeout.connect(self.process) @property def auto(self): return self._auto @auto.setter def auto(self, value): self._auto = value self.notifier.auto_brightness(self._auto) if self._auto: self._als.start() self._br_ctrl.start() self._process_timer.start(1000) else: self._als.stop() self._br_ctrl.stop() self._process_timer.stop() def process(self): value = self._als.get_value() print('Light sensor: %d' % value) if value == 0: value = 1 self._br_ctrl.set_screen_brightness(value) if value < 5: self._br_ctrl.set_keyboard_light(True) else: self._br_ctrl.set_keyboard_light(False) def stop(self): self._process_timer.stop() self._als.stop() self._br_ctrl.stop() @dbus.service.method(dbus_interface='com.github.sheinz.autobrightness') def up(self): value = self._br_ctrl.screen_brightness_up() self.notifier.brightness(value) @dbus.service.method(dbus_interface='com.github.sheinz.autobrightness') def down(self): value = self._br_ctrl.screen_brightness_down() self.notifier.brightness(value) @dbus.service.method(dbus_interface='com.github.sheinz.autobrightness') def auto_toggle(self): self.auto = not self.auto @dbus.service.method(dbus_interface='com.github.sheinz.autobrightness') def exit(self): sys.exit()