It should be {% url 'polls:detail' question.id %}
I think you mixed up the steps "Removing hardcoded URLs in templates" and
"Namespacing URL names"
Hope that helps,
Daniel
On Tue, Dec 10, 2019 at 11:58 AM Bruckner de Villiers <
bruckner.devilli...@gmail.com> wrote:
> Running Django 3.0 & Python 3.7.3.
>
>
>
> Issue with Tutorial Part 3:
>
> I replaced “<*li*><*a* href="/polls/{{ question.id }}/">{{
> question.question_text }}</*a*></*li*>” with
>
> “<*li*><*a* href="{% *url* 'detail' question.id %}">{{ question.question_text
> }}</*a*></*li*>” and get the following error:
>
> Reverse for 'detail' not found. 'detail' is not a valid view function or
> pattern name.
>
> <li><a href="*{% url 'detail' question.id <http://question.id> %}*">{{
> question.question_text }}</a></li>
>
> index.html:
>
> {% if latest_question_list %}
>
> <ul>
>
> {% for question in latest_question_list %}
>
> *{% comment %} <li><a href="/polls/{{ question.id
> <http://question.id> }}/">{{ question.id <http://question.id> }} {{
> question.question_text }} {{ question.pub_date }}</a></li> {% endcomment %}*
>
> <li><a href="{% url 'detail' question.id %}">{{ question.
> question_text }}</a></li> *{% comment %} - Why doesn't this work?--> {%
> endcomment %}*
>
> {% endfor %}
>
> </ul>
>
> {% else %}
>
> <p>No polls are available.</p>
>
> {% endif %}
>
> urls.py:
>
> from os import \
>
> path
>
>
>
> from django.urls import \
>
> path
>
> from . import \
>
> views
>
>
>
> app_name = 'polls'
>
> urlpatterns = [
>
> path('', views.index, name='index'),
>
> path('<int:question_id>/', views.detail, name='detail'),
>
> path('<int:question_id>/results/', views.results, name='results'),
>
> path('<int:question_id>/vote/', views.vote, name='vote'),
>
> ]
>
> views.py:
>
> from django.shortcuts import get_object_or_404, render
>
> from django.http import \
>
> HttpResponse
>
> from django.shortcuts import \
>
> render
>
> *#from django.template import loader*
>
> from .models import Question
>
>
>
> *# Create your views here.*
>
> *def* index(request):
>
> latest_question_list = Question.objects.order_by('-pub_date')[:10]
>
> context = {'latest_question_list': latest_question_list}
>
> return render(request, 'polls/index.html', context)
>
>
>
> *def* detail(request, question_id):
>
> question = get_object_or_404(Question, pk=question_id)
>
> return render(request, 'polls/detail.html', {'question': question})
>
>
>
> *def* results(request, question_id):
>
> response = "You're looking at the results of question %s."
>
> return HttpResponse(response % question_id)
>
>
>
> *def* vote(request, question_id):
>
> return HttpResponse("You're voting on question %s." % question_id)
>
>
>
> Much obliged,
>
>
>
>
>
>
>
> Bruckner de Villiers
>
> 083 625 1086
>
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