server.py

from aiohttp import web
import socketio
from colorama import init, Fore
init(autoreset=True)

sio = socketio.AsyncServer()
app = web.Application()
sio.attach(app)

async def index(request):
	with open('index.html') as f:
		return web.Response(test=f.read(), content_type='text/html')

@sio.on('connect', namespace="/")
def connect(sid, data):
	print(Fore.RED + "connect ", sid)

@sio.on('test', namespace="/")
async def message(sid, data):
	print(Fore.GREEN + "message << ", data)
	await sio.emit('reply', ["Hi I'm the server", str(sid)])

@sio.on('disconnect', namespace="/")
def disconnect(sid):
	print(Fore.RED + 'disconnect', sid)

app.router.add_get('/', index)

if __name__ == '__main__':
	web.run_app(app)