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15 / 30Django Middleware and Request ProcessingMediumPython - Django Framework

Coding: Implementing a Simple Logging Middleware

class LoggingMiddleware:
    def __init__(self, get_response):
        self.get_response = get_response

    def __call__(self, request):
        print(f'Request: {request.method} {request.path}')
        response = self.get_response(request)
        print(f'Response: {response.status_code}')
        return response

  1. This middleware will only log requests but not responses

  2. This middleware correctly logs both request and response information

  3. This middleware will cause an error because get_response is not defined

  4. This middleware needs to inherit from MiddlewareBase to function

Show answer & explanation

Correct answer

This middleware correctly logs both request and response information

Explanation

Modern Django middleware uses the __init__ and __call__ methods. The get_response callable is passed to __init__ and called within __call__ to process the request and get the response.

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All 30 Django Middleware and Request Processing questions

  1. 1.What is the primary purpose of Django Middleware?
  2. 2.In which setting in Django is middleware configured?
  3. 3.What is the order of execution for middleware methods during request processing?
  4. 4.Which middleware method is called when an exception occurs in a view?
  5. 5.What does returning a response object from process_request() do?
  6. 6.Which built-in Django middleware handles Cross-Site Request Forgery (CSRF) protection?
  7. 7.What is the purpose of the SessionMiddleware in Django?
  8. 8.What does the CommonMiddleware middleware do?
  9. 9.In Django middleware, what does returning None from process_request() indicate?
  10. 10.Which middleware is responsible for adding User object to the request?
  11. 11.Understanding Django Middleware Execution Order
  12. 12.Middleware Methods and Request Processing Flow
  13. 13.Scenario:
  14. 14.Understanding process_exception() Middleware Method
  15. 15.Coding:
  16. 16.Scenario:
  17. 17.Understanding Middleware Short-Circuiting with Early Response
  18. 18.Scenario:
  19. 19.Understanding Middleware Exception Handling
  20. 20.Scenario:
  21. 21.Middleware Execution Order and Request Processing Pipeline
  22. 22.Custom Middleware Implementation for Request Logging
  23. 23.Exception Handling in Django Middleware
  24. 24.Request/Response Modification in Middleware - Hari's Scenario
  25. 25.Middleware Short-Circuiting and Early Response - Prasath's Scenario
  26. 26.CORS Middleware Implementation
  27. 27.Conditional Middleware Processing Based on URL Pattern
  28. 28.Middleware and Template Context Processing
  29. 29.Database Connection Management in Middleware
  30. 30.Middleware Initialization with Settings - Hari's Configuration Scenario