import websocket  
url = 'wss://host:port/rt/tr'  #websocket連線地址
ws = websocket.create_connection(url)  #建立連線
'''data為json格式'''
data = {"body":{"address":"陝西省","location":{"latitude":11.23256618923611,"longitude":218.9637478298611,"timestamp":1541735071192},"state":"arrivalDepot","timestamp":1541862074000,"trackId
 
":3218111000038001,"transportId":218111000038},"token":"token","type":"roadtrace_state"}
ws.send(json.dumps(data))   #json轉化為字串，必須轉化
print(ws.recv())    #伺服器響應資料
ws.close()   #關閉連線

在執行程式碼前，先安裝websocket模組：