FAQ: Creating Your First Django App - Creating a View for an App

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

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Build Python Web Apps with Django

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The Django Djitney

I got an error when testing de delete view, in 14.


from django.shortcuts import render
from .models import Line, Station, Stop
from .forms import  StopForm, LineForm, StationForm
# Add your imports below:
from django.views.generic import TemplateView, ListView
from django.views.generic.edit import CreateView, UpdateView, DeleteView

class HomeView(TemplateView):
  template_name = "routes/home.html"

  def get_context_data(self):
    context = super().get_context_data()
    context["lines"] = Line.objects.all()
    context["stations"] = Station.objects.all()
    context["stops"] = Stop.objects.all()
    return context

# Create your views here.
class LinesView(ListView):
  model = Line
  template_name = "routes/lines.html"

class CreateLineView(CreateView):
  model = Line
  template_name = "routes/add_line.html"
  form_class = LineForm

class UpdateLineView(UpdateView):
  model = Line
  template_name = "routes/update_line.html"
  form_class = LineForm

class DeleteLineView(DeleteView):
  model = Line
  template_name = "routes/delete_line.html"


urlpatterns = [
  path("", views.HomeView.as_view(), name="home"),
  path("lines/", views.LinesView.as_view(), name="lines"),
  path('lines/new/', views.CreateLineView.as_view(), name="create_line"),
  path('lines/<pk>/update/', views.UpdateLineView.as_view(), name="update_line"),
  path("lines/<pk>/delete/", views.DeleteLineView.as_view(), name="delete_line"),
  path("stations/", views.StationsView.as_view(), name="stations")



Hey emmanuel 314,

if you look at 24, you will see that the DeleteView needs a success_url. There is a hint how to implement it for the Stops. If you follow the instructions for the Lines and Stations, these will work and the error does not come up anymore. Hope this helps.



Thanks a lot
… This just solved a 3hr problem for me