I am on part 4 django tutorial. The tutorial is very good and I easily get
on part 4 but....
I get error: Reverse for 'detail' with arguments '('',)' and keyword
arguments '{}' not found. 1 pattern(s) tried:
[u'polls/(?P<question_id>\\d+)/$']
Am I missing something?
My code is following:
urlpatterns = patterns('',
> url(r'^$', views.index, name='index'),
> url(r'^(?P<question_id>\d+)/$', views.detail, name='detail'),
> url(r'^(?P<question_id>\d+)/results/$',views.results, name='results'),
> url(r'^(?P<question_id>\d+)/vote/$', views.vote, name='vote'),
>
views.py:
from django.shortcuts import get_object_or_404, render
> from django.http import HttpResponseRedirect, HttpResponse
> from django.template import RequestContext, loader
> from polls.models import Question, Choice
> from django.http import Http404
> from django.core.urlresolvers import reverse
>
>
> def index(request):
> latest_question_list = Question.objects.order_by('-pub_date')[:5]
> template = loader.get_template('polls/index.html')
> context = RequestContext(request, {'latest_question_list' :
> latest_question_list, })
> return HttpResponse(template.render(context))
>
> def detail(request, question_id):
> try:
> question = Question.objects.get(pk = question_id)
> except Question.DoesNotExist:
> raise Http404("Question ne postoji")
> return render(request, 'polls/detail.html', {'question': question})
>
> def results(request, question_id):
> question = get_object_or_404(Question, pk = question_id)
> return render(request, 'polls/results.html', {'guestion': question})
>
>
> def vote(request, question_id):
> p = get_object_or_404(Question, pk=question_id)
> try:
> selected_choice = p.choice_set.get(pk=request.POST['choice'])
> except (KeyError, Choice.DoesNotExist):
> return render(request, 'polls/detail.html', {
> 'question': p,
> 'error_message': "Nijesi izabrao pitanje.",
> })
> else:
> selected_choice.votes += 1
> selected_choice.save()
> return HttpResponseRedirect(reverse('polls:results', args=(p.id,)))
>
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