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Diffstat (limited to 'docs/tutorial04.txt')
| -rw-r--r-- | docs/tutorial04.txt | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/docs/tutorial04.txt b/docs/tutorial04.txt index c16ccb5b69..3e6d6205bb 100644 --- a/docs/tutorial04.txt +++ b/docs/tutorial04.txt @@ -48,27 +48,20 @@ included this line:: So let's create a ``vote()`` function in ``myproject/apps/polls/views/polls.py``:: - from django.core import template_loader - from django.core.extensions import DjangoContext as Context + from django.core.extensions import get_object_or_404, render_to_response from django.models.polls import choices, polls - from django.utils.httpwrappers import HttpResponse, HttpResponseRedirect - from django.core.exceptions import Http404 + from django.utils.httpwrappers import HttpResponseRedirect def vote(request, poll_id): - try: - p = polls.get_object(pk=poll_id) - except polls.PollDoesNotExist: - raise Http404 + p = get_object_or_404(polls, pk=poll_id) try: selected_choice = p.get_choice(pk=request.POST['choice']) except (KeyError, choices.ChoiceDoesNotExist): # Redisplay the poll voting form. - t = template_loader.get_template('polls/detail') - c = Context(request, { + return render_to_response('polls/detail', { 'poll': p, 'error_message': "You didn't select a choice.", }) - return HttpResponse(t.render(c)) else: selected_choice.votes += 1 selected_choice.save() @@ -109,15 +102,8 @@ After somebody votes in a poll, the ``vote()`` view redirects to the results page for the poll. Let's write that view:: def results(request, poll_id): - try: - p = polls.get_object(pk=poll_id) - except polls.PollDoesNotExist: - raise Http404 - t = template_loader.get_template('polls/results') - c = Context(request, { - 'poll': p, - }) - return HttpResponse(t.render(c)) + p = get_object_or_404(polls, pk=poll_id) + return render_to_response('polls/results', {'poll': p}) This is almost exactly the same as the ``detail()`` view from `Tutorial 3`_. The only difference is the template name. We'll fix this redundancy later. |