import configparser

def load_settings():
    config = configparser.ConfigParser()
    config.read_file(open('doorcontrol.ini'))
    
    try:
        mqtt_config = config['mqtt']
    except KeyError as k_error:
        print("Missing section: ", k_error, "in config file")
        raise
    else:
        MQTT_SERVER = mqtt_config.get("Server")
        MQTT_PORT = mqtt_config.getint("Port", "1883")
        MQTT_TOPIC = mqtt_config.get("Topic")
        MQTT_USER = mqtt_config.get("User")
        MQTT_PASSWD = mqtt_config.get("Password")
    
    try:
        api_config = config['apip']
    except KeyError as k_error:
        print("Missing section: ", k_error, " in config file")
        raise
    else:
        API_KEY = api_config.get("Key")
        
    print("Hello")