Table of contents
Websockets in python
Websockets require the websockets library, that can be downloaded, unpacked and copied to the application directory:
https://pypi.python.org/pypi/websockets
running a server
python3!/usr/bin/env>
import asyncio
import websockets
async def hello(websocket, path):
name = await websocket.recv()
print("< {}".format(name))
greeting = "Hello {}!".format(name)
await websocket.send(greeting)
print("> {}".format(greeting))
host = 'localhost'
port = 8765
print('starting server at ' + host + ':' + str(port));
start_server = websockets.serve(hello, host, port)
asyncio.get_event_loop().run_until_complete(start_server)
asyncio.get_event_loop().run_forever()
running a client
python!/usr/bin/env>
import asyncio
import websockets
async def hello():
async with websockets.connect('ws://localhost:8765') as websocket:
name = input("What's your name? ")
await websocket.send(name)
print("> {}".format(name))
greeting = await websocket.recv()
print("< {}".format(greeting))
asyncio.get_event_loop().run_until_complete(hello())