aiohttp_web_server_test/demo/views/frontend.py

import aiohttp
from aiohttp import WSMsgType
from aiohttp.web_response import Response
from aiohttp.web_ws import WebSocketResponse
from aiohttp_jinja2 import template
import time
import asyncio

async def time_response(ws: WebSocketResponse, delay: int = 60):
    while True:
        new_time: time.gmtime = time.gmtime(time.time())
        time_response = f'Время: {new_time.tm_hour + 3}:{new_time.tm_min} Задержка: {delay}'
        try:
            await ws.send_str(time_response)
            await asyncio.sleep(delay)
        except ConnectionResetError:
            await asyncio.sleep(delay)
            
            
@template('index.html')
async def index(request):
    return {}

@template('index_2.html')
async def index_2(request):
    return {}



async def websocket_handler(request):
	ws: WebSocketResponse = WebSocketResponse()
	await ws.prepare(request)
	asyncio.create_task(time_response(ws))
	async for msg in ws:
		
		if msg.type == aiohttp.WSMsgType.TEXT:
			
			if msg.data == 'close':
				await ws.close()
			else:
				await ws.send_str(f'Вы послали: {msg.data}')
		elif msg.type == WSMsgType.ERROR:
			print('ws connection closed with exception %s' %
				  ws.exception())
	
	print('websocket connection closed')
	
	return ws


async def button_clicked(request):
	data = await request.post()
	text = data.get('text')
	response_text = f'Вы ввели: {text}'
	print(response_text)
	return Response(text=response_text)