import paho.mqtt.client as mqtt import espmega_mqtt.ESPMegaMQTT as ESPMegaMQTT plc = ESPMegaMQTT() class access_control: def __init__(self, serial_port: str): pass def light_on(self): pass def light_off(self): pass def get_door_state(self) -> bool: pass def get_scan_state(self) -> bool: pass def lock_door(self): pass def unlock_door(self): pass