How do I use middleware in Scrapy?
An example of an AI chatbot conversation about using middleware in Scrapy.
How do I use middleware in Scrapy?
In Scrapy, middleware is a way to process requests and responses globally. You can define your middleware in the middlewares.py file.
What are some common use cases for middleware?
Common use cases include modifying requests, handling retries, managing cookies, and processing responses before they reach the spider.
Can you give me an example of a custom middleware?
Sure! Here's a simple example that adds a custom header to each request:
class CustomHeaderMiddleware:
def process_request(self, request, spider):
request.headers['X-Custom-Header'] = 'MyValue'
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