python请求websocket

##-*- coding: utf-8 -*-
import json
import queue
import random
import ssl
import time
import websocket
import threading
from json_info import msg,ws_url,headers
message_queue = queue.Queue()
data_path=None

def on_message(ws, message):
    def run(*args):
        """处理接收到的消息"""
        print(json.dumps(json.loads(message),ensure_ascii=False))
    threading.Thread(target=run).start()

def on_error(ws, error):
    print(error)

def on_close(ws, close_status_code, close_msg):
    print("WebSocket closed:{}\t{}".format(close_status_code, close_msg))

def get_msg(query,**kwargs):
    """构造消息体"""
    msg["query"]=query
    msg['msgId']=msg['msgId']+str(random.randint(1,100000))
    msg['recordId']=msg['recordId']+str(random.randint(1,100000))
    for key in kwargs:
        msg[key]=kwargs[key]
    return json.dumps(msg,ensure_ascii=False)

def on_open(ws):
    def run(*args):
        with open(data_path, 'r', encoding='utf-8') as f:
            for line in f:
                message=get_msg(line.strip())
                ws.send(message)
                time.sleep(3)
        ws.close()
    threading.Thread(target=run).start()

def connect():
    try:
        ws = websocket.WebSocketApp(ws_url,
                                    on_message=on_message,
                                    on_error=on_error,
                                    on_close=on_close,
                                    header=headers,
                                    on_open=on_open)
        ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})
    except Exception as e:
        print("Connection failed: %s" % e)

if __name__=="__main__":
    data_path="./query.txt"
    connect()