socketio中client的sio wait用法

import time

import socketio



sio = socketio.Client()

start_timer = None





def send_ping():

    global start_timer

    start_timer = time.time()

    sio.emit('ping_from_client')





@sio.event

def connect():

    print('connected to server')

    send_ping()





@sio.event

def pong_from_server(data):

    global start_timer

    latency = time.time() - start_timer

    print('latency is {0:.2f} ms'.format(latency * 1000))

    sio.sleep(1)

    send_ping()





if __name__ == '__main__':

    sio.connect('http://localhost:5000')

    sio.wait()

    print('next')