How can I use middlewares in Scrapy?

How can I use middlewares in Scrapy?

In Scrapy, middlewares are hooks into the Scrapy request/response processing. You can use them to modify requests and responses globally.

Can you give me an example of a custom middleware?

Sure! A simple example is a middleware that adds a custom header to every request. You can create a class with a process_request method.

How do I enable my custom middleware in the settings?

You can enable your middleware by adding its path to the DOWNLOADER_MIDDLEWARES setting in your Scrapy settings file.

What are some common use cases for middlewares?

Common use cases include handling retries, modifying user agents, and managing cookies.