Async http client with asyncio and aiohttp. Example for fetching muliple pages cuncurrently

async_client.py

import aiohttp
import asyncio
import time

urls = ['http://python.org', 'http://www.google.com']
d = {}


async def fetch(client, url):
    print('start fetching {}: {}'.format(url, time.time() - start))
    async with client.get(url) as resp:
        d[url] = await resp.text()
    print('done fetching {}: {}'.format(url, time.time() - start))


start = time.time()
with aiohttp.ClientSession() as client:
    tasks = asyncio.wait([fetch(client, url) for url in urls])
    asyncio.get_event_loop().run_until_complete(tasks)