Created
January 19, 2023 22:16
-
-
Save sheenobu/11287f22dceeb2fa734905b802706c17 to your computer and use it in GitHub Desktop.
aiohttp_example
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import asyncio | |
| import aiohttp | |
| import logging | |
| async def fetchurl(session, url: str): | |
| async with session.get(url) as response: | |
| return len(await response.text()) | |
| async def urlfetcher(session, queue): | |
| items = [] | |
| while True: | |
| try: | |
| x = await queue.get() | |
| print(x) | |
| items.append(await fetchurl(session, x)) | |
| queue.task_done() | |
| except asyncio.exceptions.CancelledError as e: | |
| return items | |
| async def run(): | |
| # simple | |
| l = ["https://google.com" for x in [1,2,3,4,5,6]] | |
| async with aiohttp.ClientSession() as session: | |
| tasks = [fetchurl(session, url) for url in l] | |
| lx = await asyncio.gather(*tasks) | |
| print(lx) | |
| # worker | |
| queue = asyncio.Queue() | |
| for x in l: | |
| queue.put_nowait(x) | |
| tasks = [] | |
| async with aiohttp.ClientSession() as session: | |
| for i in range(3): | |
| task = asyncio.create_task(urlfetcher(session, queue)) | |
| tasks.append(task) | |
| await queue.join() | |
| for task in tasks: | |
| task.cancel() | |
| l = await asyncio.gather(*tasks) | |
| print(l) | |
| print(asyncio.run(run())) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment