Asyncio Periodic

asyncio_periodic.py

import asyncio
import aiohttp
import time

running = True


async def check_status_periodically():
    async with aiohttp.ClientSession() as session:
        while running:
            async with session.head('https://www.google.com') as response:
                print(response.status, time.strftime("%H:%M:%S", time.localtime(time.time())))
            await asyncio.sleep(2)

try:
    loop = asyncio.get_event_loop()
    asyncio.ensure_future(check_status_periodically())
    loop.run_forever()
except KeyboardInterrupt:
    running = False
finally:
    pending = asyncio.Task.all_tasks()
    loop.run_until_complete(asyncio.gather(*pending))
    loop.close()
    print('\nDone')