How to have Sanic respond with http and ws?

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I have the following code for a Sanic hello world based off combining different endpoints here:

https://sanic.readthedocs.io/en/latest/sanic/response.html

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盖世英雄少女心

2021-01-16 15:36

Using 0.0.0.0 as your endpoint within your client html doesn't make any sense and you're not using SSL so you want to use ws:// rather than wss://. In other words,

from sanic import Sanic
from sanic import response
from sanic.websocket import WebSocketProtocol

app = Sanic()

@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)

@app.route('/html2')
async def handle_request(request):
  return response.html("""<html><head><script>
         var exampleSocket = new WebSocket("ws://" + location.host + '/feed');
         exampleSocket.onmessage = function (event) {
         console.log(event.data)};</script></head><body><h1>Hello socket!</h1><p>hello</p></body></html>""")

app.run(host="0.0.0.0", port=8000)

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