test websockets server in python3

ws.py

#!/usr/bin/env python

# test websockets - requires python 3.6+ & sanic
# start server & hit http://localhost:8000/static/WebSockets.html
# Put ws://localhost:8000/feed as Target

from sanic import Sanic

app = Sanic()

# create static dir & put
# https://raw.githubusercontent.com/ethicalhack3r/scripts/master/WebSockets.html
app.static('/static', './static')

@app.websocket('/feed')
async def feed(request, ws):
    while True:
        data = 'hello!'
        print('Sending: ' + data)
        await ws.send(data)
        data = await ws.recv()
        print('Received: ' + data)


if __name__ == "__main__":
    app.run(host="0.0.0.0", port=8000)