async requests in python

In Python, to perform async requests, we can use the asyncio module. It allows us to write asynchronous, non-blocking code using coroutines and an event loop. We can also use libraries like python-requests to make HTTP requests.

Here is an example of an async request using python-requests:

main.py
import asyncio
import requests

async def fetch(session, url):
    async with session.get(url) as response:
        return await response.content.read()

async def main():
    async with aiohttp.ClientSession() as session:
        html = await fetch(session, 'https://www.example.com')
        print(html)

loop = asyncio.get_event_loop()
loop.run_until_complete(main())
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In the above code, we define a coroutine fetch() that fetches the content of a URL using the requests library. We then define another coroutine main() that creates an aiohttp session and calls the fetch() coroutine to make an async request.

Finally, we create an event loop using asyncio.get_event_loop() and run the main() coroutine using loop.run_until_complete(). This will make the requests asynchronously and output the HTML content of the page.