Middleware | Django documentation | Django: "Middleware is a framework of hooks into Django’s request/response processing. It’s a light, low-level “plugin” system for globally altering Django’s input or output.
Each middleware component is responsible for doing some specific function. For example, Django includes a middleware component, TransactionMiddleware, that wraps the processing of each HTTP request in a database transaction.
This document explains how middleware works, how you activate middleware, and how to write your own middleware. Django ships with some built-in middleware you can use right out of the box. They’re documented in the built-in middleware reference.
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