Including app URLs in Django - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to import the include function needed to include app URLs.

Django

from django.urls import path, [1]

Drag options to blanks, or click blank then click option'

Aurl

Binclude

Creverse

Dredirect

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'url' instead of 'include' which is deprecated.

Forgetting to import 'include' causes errors when including URLs.

The include function is used to include other URL configurations in Django.

2fill in blank

medium

Complete the code to include the app URLs under the 'blog/' path.

Django

urlpatterns = [
    path('blog/', [1]('blog.urls')),
]

Drag options to blanks, or click blank then click option'

Apath

Bredirect

Cinclude

Dreverse

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'path' instead of 'include' causes errors because 'path' expects a view.

Forgetting to wrap the app URL string in the include function.

The include function is used to include the URL patterns from the 'blog' app.

3fill in blank

hard

Fix the error in the code to correctly include the app URLs.

Django

urlpatterns = [
    path('shop/', [1]),
]

# 'shop.urls' is missing the include function.

Drag options to blanks, or click blank then click option'

A'shop.urls'

Bredirect('shop.urls')

Creverse('shop.urls')

Dinclude('shop.urls')

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the string directly without include causes Django to treat it as a view, leading to errors.

Using other functions like reverse or redirect which are not for including URLs.

The include function must wrap the app URL string to properly include it.

4fill in blank

hard

Fill both blanks to include the 'accounts' app URLs with a namespace.

Django

urlpatterns = [
    path('accounts/', [1]('accounts.urls', namespace=[2])),
]

Drag options to blanks, or click blank then click option'

Ainclude

B'accounts'

C'accounts_ns'

Dpath

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'path' instead of 'include' for including URLs.

Setting namespace to a variable or wrong string.

Use include to include the URLs and set the namespace as the app name string.

5fill in blank

hard

Fill all three blanks to include the 'store' app URLs with a namespace and a name for the path.

Django

urlpatterns = [
    path('[1]/', [2]('store.urls', namespace=[3]), name='store_home'),
]

Drag options to blanks, or click blank then click option'

Astore

Binclude

C'store'

Dshop

Attempts:

3 left

💡 Hint

Common Mistakes

Using quotes around the first blank path segment.

Using wrong function instead of include.

Setting namespace to a variable instead of a string.

The URL path is 'store', use include to include URLs, and namespace is the app name string 'store'.

Practice

1. What is the main purpose of including app URLs in a Django project?

easy

A. To speed up the server response time

B. To connect the database with the views

C. To automatically generate HTML templates

D. To organize URL patterns by app for better project structure

Solution

1. Step 1: Understand URL organization in Django

   Including app URLs helps keep URL patterns separated by app, making the project easier to manage.

2. Step 2: Identify the main benefit

   This separation improves project structure and maintainability, not server speed or template generation.

3. Final Answer:

   To organize URL patterns by app for better project structure -> Option D

4. Quick Check:

   URL organization = To organize URL patterns by app for better project structure [OK]

Hint: Including app URLs organizes routes by app for clarity [OK]

Common Mistakes:

• Thinking it improves server speed
• Confusing URL inclusion with template creation
• Assuming it connects database automatically

2. Which of the following is the correct syntax to include app URLs under the prefix 'blog/' in the main urls.py?

easy

A. include('blog.urls', path='blog/')

B. path('blog/', include('blog.urls'))

C. path('blog/', url('blog.urls'))

D. include(path('blog/'), 'blog.urls')

Solution

1. Step 1: Recall Django URL inclusion syntax

   The correct way is to use path('prefix/', include('app.urls')).

2. Step 2: Match syntax with options

   path('blog/', include('blog.urls')) matches the correct syntax exactly; others misuse include or path functions.

3. Final Answer:

   path('blog/', include('blog.urls')) -> Option B

4. Quick Check:

   Correct include syntax = path('blog/', include('blog.urls')) [OK]

Hint: Use path('prefix/', include('app.urls')) format [OK]

Common Mistakes:

• Swapping order of path and include
• Using url() instead of include()
• Passing path as argument to include

3. Given the main urls.py includes path('shop/', include('shop.urls')) and the app shop/urls.py has path('items/', views.items_list), what URL path will call items_list view?

medium

A. /shop/items/

B. /items/

C. /shop/

D. /shop/items_list/

Solution

1. Step 1: Combine main and app URL prefixes

   Main URL adds 'shop/' prefix, app URL adds 'items/' path.

2. Step 2: Form full URL path

   Joining them gives '/shop/items/' which calls the items_list view.

3. Final Answer:

   /shop/items/ -> Option A

4. Quick Check:

   Combined URL = /shop/items/ [OK]

Hint: Combine main prefix + app path for full URL [OK]

Common Mistakes:

• Using only app path ignoring main prefix
• Confusing view name with URL path
• Adding extra slashes or missing trailing slash

4. What is wrong with this main urls.py snippet?

from django.urls import path
urlpatterns = [
    path('blog/', 'blog.urls'),
]

medium

A. Missing include() function around 'blog.urls'

B. Should import url instead of path

C. The string 'blog.urls' should be a list

D. The path prefix 'blog/' is invalid

Solution

1. Step 1: Check how to include app URLs

   App URLs must be included using include('app.urls'), not just a string.

2. Step 2: Identify missing include()

   The code uses a string directly without include(), causing an error.

3. Final Answer:

   Missing include() function around 'blog.urls' -> Option A

4. Quick Check:

   Include required for app URLs = Missing include() function around 'blog.urls' [OK]

Hint: Always wrap app URLs with include() [OK]

Common Mistakes:

• Passing string directly without include()
• Confusing path and url imports
• Thinking prefix 'blog/' is invalid

5. You want to include two apps, 'store' and 'accounts', in your project URLs under prefixes 'shop/' and 'user/' respectively. Which is the correct way to do this in the main urls.py?

hard

A. path('shop/', 'store.urls')\npath('user/', 'accounts.urls')

B. include('store.urls', prefix='shop/')\ninclude('accounts.urls', prefix='user/')

C. path('shop/', include('store.urls'))\npath('user/', include('accounts.urls'))

D. path('store/', include('shop.urls'))\npath('accounts/', include('user.urls'))

Solution

1. Step 1: Use path() with include() for each app

   Each app URL must be included with path('prefix/', include('app.urls')).

2. Step 2: Match prefixes and app names correctly

   path('shop/', include('store.urls'))\npath('user/', include('accounts.urls')) correctly uses 'shop/' for 'store.urls' and 'user/' for 'accounts.urls'. Others misuse include or swap names.

3. Final Answer:

   path('shop/', include('store.urls')) path('user/', include('accounts.urls')) -> Option C

4. Quick Check:

   Correct multiple app inclusion = path('shop/', include('store.urls'))\npath('user/', include('accounts.urls')) [OK]

Hint: Use path('prefix/', include('app.urls')) for each app [OK]

Common Mistakes:

• Swapping prefixes and app names
• Using include() without path()
• Passing strings without include()