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27 / 30Django Views and URL RoutingHardPython - Django Framework

Finding the Output: URL Reverse with Namespaces

# urls.py (project level)
from django.urls import path, include

urlpatterns = [
    path('api/', include('api.urls', namespace='api')),
]

# urls.py (api app)
from django.urls import path
from . import views

urlpatterns = [
    path('users/<int:user_id>/', views.user_detail, name='user_detail'),
]

# In a view:
from django.urls import reverse
url = reverse('api:user_detail', args=[42])
print(url)

  1. /api/users/42/

  2. api:user_detail

  3. /users/42/

  4. NoReverseMatch exception will be raised because the namespace is not properly configured.

Show answer & explanation

Correct answer

/api/users/42/

Explanation

The reverse() function with namespace:name format generates the full URL path by combining the included path prefix with the named pattern.

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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: