background.py 文件源码

def ping(url, timeout, *, loop):
    async with aiohttp.ClientSession(loop=loop) as session:
        with async_timeout.timeout(timeout, loop=loop):
            try:
                async with session.get(url) as response:
                    logger.debug(response.status)
            except (aiohttp.ClientError, asyncio.TimeoutError) as exc:
                logger.exception(exc)