#043asyncio Blocking Call in Coroutine
python.medPYTHON
1import asyncio
2import time
3import aiohttp
4
5async def scrape_page(session, url):
6 async with session.get(url) as response:
7 html = await response.text()
8 time.sleep(2) # simulating CPU-heavy parsing
9 return parse(html)
10
11async def scrape_all(urls):
12 async with aiohttp.ClientSession() as session:
13 tasks = [scrape_page(session, url) for url in urls]
14 return await asyncio.gather(*tasks)
no lines flagged
#043PracticeMedium20 min · 120 XP
asyncio Blocking Call in Coroutine
An async web scraper stalls all concurrent coroutines whenever any single page takes time to process.
Flagged lines
No lines flagged yet
What's wrong?
Flag a line or write a note to submit.