pip install websocket-client

import websocket
ws = websocket.WebSocket()
ws.connect("ws://example.com/websocket", 
      http_proxy_host="proxy_host_name", 
      http_proxy_port=3128)

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

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

def on_open(ws):
  def run(*args):
    for i in range(30):
      # send the message, then wait
      # so thread doesn't exit and socket
      # isn't closed
      ws.send("Hello %d" % i)
      time.sleep(1)

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

  Thread(target=run).start()

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

ws = websocket.WebSocketApp("wss://echo.websocket.org")

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()

import websocket
from threading import Thread
import time
import sys

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

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

  Thread(target=run).start()


if __name__ == "__main__":

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