如何集成Google Assistant和应用快捷键？

import argparse
from google.assistant.library import Assistant
from google.assistant.library.event import EventType
from google.assistant.library.file_helpers import existing_file

def process_event(event):
    if event.type == EventType.ON_CONVERSATION_TURN_STARTED:
        print('Assistant: Hi there!')
    elif event.type == EventType.ON_RECOGNIZING_SPEECH_FINISHED and event.args:
        print('You said:', event.args['text'])
    elif event.type == EventType.ON_RESPONDING_STARTED:
        print('Assistant: Thinking...')
    elif event.type == EventType.ON_RESPONDING_FINISHED:
        print('Assistant: Done!')

if __name__ == '__main__':
    parser = argparse.ArgumentParser(formatter_class=argparse.RawTextHelpFormatter)
    parser.add_argument('--device-model-id', type=str, required=True,
                        help='The device model ID for the Assistant device.')
    parser.add_argument('--device-id', type=str, required=True,
                        help='The device ID for the Assistant device.')
    parser.add_argument('--lang', type=str, required=True,
                        help='The language for the Assistant device.\n'
                             'For example, `en-US` or `de-DE`.')
    parser.add_argument('--display', action='store_true',
                        help='Use on-screen display if available.')
    args = parser.parse_args()

    with Assistant(args.device_model_id, args.device_id, lang=args.lang,
                  display=args.display) as assistant:
        for event in assistant.start():
            process_event(event)