Understanding the Aiohttp Request Object in Python

The request object is a key component when working with the popular aiohttp library in Python. It contains valuable information about the incoming HTTP request to your aiohttp web application.

Let's walk through a quick example to understand the basics:

import aiohttp
from aiohttp import web

async def handle(request):
    print(request.method)
    print(request.path)
    print(request.headers)
    return web.Response(text="Hello")
    
app = web.Application()
app.add_routes([web.get('/', handle)])

web.run_app(app)

When a request comes in to the / path, our handle() function will be executed. Inside the function, we can access details like:

We can also access the query string, request body, and other useful attributes.

Some key tips when working with the request object:

In summary, the aiohttp request object gives you a powerful way to access all incoming HTTP request details. It's passed as the first argument to middleware, handlers, and other parts of your web app. Mastering the request object helps you write better web applications and middlewares in aiohttp.