smart-controller.py 文件源码

def calculate_light_brightness(self, current_time = None, light_policy = None):
        self.__logger.debug('Calculating light brightness..')
        if current_time is None:
            current_time = datetime.now().replace(tzinfo = tz.tzlocal())
        calculated_light_brigtness = []
        compiled_policy = self.__compiled_policy
        if light_policy is not None:
            compiled_policy = self.__compile_policy(light_policy, current_time)
        if compiled_policy is None:
            self.__logger.error("No policy is found. Skip light update")
            return calculated_light_brigtness
        for bulb in compiled_policy:
            calculated_light = { "bulb_ip" : bulb["bulb_ip"] }
            if 'light_on_only_when_device_online' in bulb and not self.__at_least_one_device_online(bulb["light_on_only_when_device_online"]):
                # if required devices are not online, turn off the light
                calculated_light["calculated_brightness"] = 0
            else:
                for policy in bulb['policies']:
                    brightness = self.__calculate_light_brightness(current_time, policy)
                    if brightness > -1:
                        calculated_light["calculated_brightness"] = brightness
                        calculated_light["policy_matched"] = policy
                        break
            if 'calculated_brightness' in calculated_light:
                calculated_light_brigtness.append(calculated_light)
        self.__logger.debug('Calculated light brightness: %s', calculated_light_brigtness)
        return calculated_light_brigtness