FAQ: Creating Your First Django App - Wiring Up a View

This community-built FAQ covers the “Wiring Up a View” exercise from the lesson "Creating Your First Django App ".

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This exercise can be found in the following Codecademy content:

Build Python Web Apps with Django

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I think in step 4 of this exercise the hint forgets the include() function in the URLconf, or possibly I was just supposed to know to add it.

Original hint that did not work:
Include the vetoffice URLconf by adding path('', 'vetoffice.urls') to the urlpatterns in djangovet/djangovet/urls.py

Change to make the solution work:
Include the vetoffice URLconf by adding path('', *INCLUDE*('vetoffice.urls')) to the urlpatterns in djangovet/djangovet/urls.py .

3 Likes

djangovet/djangovet/urls.py
# This does NOT work
urlpatterns = [
path(‘admin/’, admin.site.urls),
path(’’, include(‘vetoffice.urls’)),
]

# This works
urlpatterns = [
path(‘admin/’, admin.site.urls),
path(’’, include(‘vetoffice.urls’))
]

5 Likes
  1. This module wasn’t very straight forward. When I got to the last question it wasn’t clear what the difference between the two urls.py files was. I get the first but didn’t conceptually grasp how the parent urls.py file connects to the main.html. I understand now, with the ‘include’ designation that we are essentially connecting the two.

  2. Was having issues seeing the change upon running the server. I couldn’t find the admin or the home page and nothing loaded even after the successful completion of the exercise.

update: needed to add 0.0.0.0:4001 to the end of the ‘runserver’ command. Works now. Really want to understand these elements better.

4 Likes

Also having hard time understanding why we need to define url’s twice?

Changed in the main urls.py

urlpatterns = [
    path('admin/', admin.site.urls),
    path('home', include('vetoffice.urls'))
]

urls.py in vetoffice left unchanged:

urlpatterns = [
  path("", views.home)
]

When I go to http://localhost:4001/home I am still greeted with the welcome text. What’s the point of route parameter in vetoffice urls.py file?

Edit: Ok, I guess we have to do it twice because we want ‘apps’ to be independent so that we could import vetoffice to another project but still question remains - why route parameter is ‘ignored’ in vetoffice urls.py?

ok, finally got it. vetoffice urls.py holds subroutes.