What is middleware in Django?

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In Django, middleware is a framework of hooks into Django’s request/response processing. It’s a lightweight, low-level plugin system used to process requests before they reach the view and responses before they reach the client.

How It Works:

Middleware is a Python class with methods that get called during request and response processing. When a request comes in:

1. Django runs it through each middleware’s process_request() or __call__() method.

2. After the view processes it, the response passes through each middleware’s process_response() method (in reverse order).

Common Uses of Middleware:

• Session and authentication handling

• Cross-site request forgery (CSRF) protection

• Content compression (like GZip)

• Custom headers or logging

• Request/response modification

To use it, add it to the MIDDLEWARE list in settings.py:

Summary:

Middleware lets you intercept, process, or modify requests and responses globally. It runs automatically and is a powerful tool for handling site-wide behaviors in Django.

Read More

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What are Django models, views, and templates (MVT)?

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