async/await появился с версии 3.5. Для http есть отдельный aiohttp.
https://asyncio.readthedocs.io/en/latest/
https://aiohttp.readthedocs.io/en/stable/
Выглядит примерно так:
ASYNCIO:
import asyncio
async def say(what, when):
await asyncio.sleep(when)
print(what)
async def stop_after(loop, when):
await asyncio.sleep(when)
loop.stop()
loop = asyncio.get_event_loop()
loop.create_task(say('first hello', 2))
loop.create_task(say('second hello', 1))
loop.create_task(say('third hello', 4))
loop.create_task(stop_after(loop, 3))
loop.run_forever()
loop.close()
AIOHTTP CLIENT:
import aiohttp
import asyncio
import async_timeout
async def fetch(session, url):
with async_timeout.timeout(10):
async with session.get(url) as response:
return await response.text()
async def main():
async with aiohttp.ClientSession() as session:
html = await fetch(session, 'http://python.org')
print(html)
loop = asyncio.get_event_loop()
loop.run_until_complete(main())
AIOHTTP SERVER:
from aiohttp import web
async def handle(request):
name = request.match_info.get('name', "Anonymous")
text = "Hello, " + name
return web.Response(text=text)
app = web.Application()
app.router.add_get('/', handle)
app.router.add_get('/{name}', handle)
web.run_app(app)
Простой