Python WebSocket长连接心跳与短连接的示例

pip install websocket-client

ws = websocket.WebSocketApp("ws://echo.websocket.org/",
               on_message = on_message,
               on_error = on_error,
               on_close = on_close)
  ws.on_open = on_open
  ws.run_forever()

ws.run_forever(ping_interval=60,ping_timeout=5)#ping_interval心跳发送间隔时间#ping_timeout 设置，发送ping到收到pong的超时时间

    if not ping_timeout or ping_timeout <= 0:
      ping_timeout = None
    if ping_timeout and ping_interval and ping_interval <= ping_timeout:
      raise WebSocketException("Ensure ping_interval > ping_timeout")

import websocket
try:
  import thread
except ImportError:
  import _thread as thread
import time

def on_message(ws, message):
  print(message)

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

def on_close(ws):
  print("### closed ###")


def on_open(ws):
  def run(*args):
    ws.send("hello1")
    time.sleep(1)
    ws.close()
  thread.start_new_thread(run,())

if __name__ == "__main__":
  websocket.enableTrace(True)
  ws = websocket.WebSocketApp("ws://echo.websocket.org/",
               on_message = on_message,
               on_error = on_error,
               on_close = on_close)
  ws.on_open = on_open
  ws.run_forever(ping_interval=60,ping_timeout=5)

import websocket
from threading import Thread
import time
import sys


class MyApp(websocket.WebSocketApp):
  def on_message(self, message):
    print(message)

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

  def on_close(self):
    print("### closed ###")

  def on_open(self):
    def run(*args):
      for i in range(3):
        # send the message, then wait
        # so thread doesn't exit and socket
        # isn't closed
        self.send("Hello %d" % i)
        time.sleep(1)

      time.sleep(1)
      self.close()
      print("Thread terminating...")

    Thread(target=run).start()


if __name__ == "__main__":
  websocket.enableTrace(True)
  if len(sys.argv) < 2:
    host = "ws://echo.websocket.org/"
  else:
    host = sys.argv[1]
  ws = MyApp(host)
  ws.run_forever()

from websocket import create_connection
ws = create_connection("ws://echo.websocket.org/")
print("Sending 'Hello, World'...")
ws.send("Hello, World")
print("Sent")
print("Receiving...")
result = ws.recv()
print("Received '%s'" % result)
ws.close()