Websockets Tutorial 2 - Heart Beat

ws2.py

import asyncio
import websockets


async def heartbeat(websocket):
    while True:
        await asyncio.sleep(1)
        await websocket.send('💚')

async def ws_handler(websocket, path):
    await heartbeat(websocket)


if __name__ == '__main__':
    asyncio.get_event_loop().run_until_complete(
        websockets.serve(ws_handler, '0.0.0.0', 9999),
    )
    asyncio.get_event_loop().run_forever()