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25 / 30Django Views and URL RoutingHardPython - Django Framework

Scenario: Prasath's E-commerce Product Routing

  1. Prasath should define `path('products/<int:product_id>/', views.product_detail, name='product_detail')` in the products app and use `reverse('products:product_detail', args=[123])` in his views to generate URLs dynamically.

  2. Prasath should use regular expressions with re_path() because path converters cannot handle product IDs that contain special characters.

  3. Prasath should manually construct URLs as strings in templates rather than using reverse() for better performance.

  4. Prasath must define the product_id parameter in the view function's __init__() method, not in the URL pattern.

Show answer & explanation

Correct answer

Prasath should define `path('products/<int:product_id>/', views.product_detail, name='product_detail')` in the products app and use `reverse('products:product_detail', args=[123])` in his views to generate URLs dynamically.

Explanation

Using path converters with appropriate types ensures type safety and cleaner view code, while reverse() with namespaces allows generating URLs dynamically.

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All 30 Django Views and URL Routing questions

  1. 1.What is the primary purpose of URL routing in Django?
  2. 2.Which file in a Django project is responsible for defining URL patterns?
  3. 3.What is a Django view?
  4. 4.What is the difference between a function-based view and a class-based view in Django?
  5. 5.What does the `path()` function do in Django's urls.py?
  6. 6.What is the purpose of URL parameters in Django routing?
  7. 7.What does `HttpResponse` represent in Django views?
  8. 8.What is the role of `include()` in Django URL routing?
  9. 9.What is the purpose of the `name` parameter in Django's `path()` function?
  10. 10.What does `render()` function do in Django views?
  11. 11.Understanding Django URL Routing with Path Converters
  12. 12.Scenario:
  13. 13.Identifying the Correct URL Pattern Syntax
  14. 14.Understanding Django View Function Parameters
  15. 15.Scenario:
  16. 16.Identifying View Type and Response Method
  17. 17.Understanding Reverse URL Lookup
  18. 18.Scenario:
  19. 19.Understanding Regular Expression Patterns in URLs
  20. 20.Scenario:
  21. 21.Understanding Django URL Routing with Include and Namespace
  22. 22.Identifying the Bug in Django URL Pattern Matching
  23. 23.Scenario:
  24. 24.Analyzing Django View and URL Mapping
  25. 25.Scenario:
  26. 26.Understanding Class-Based Views with URL Routing
  27. 27.Finding the Output:
  28. 28.Scenario:
  29. 29.Identifying URL Pattern Issues with Regex Converters
  30. 30.Scenario: