results.py 文件源码

def results_delete(request, rid):
    if request.method == "POST":
        if request.POST.get('cancel_button'):
            messages.warning(request, _(u"Deleting results of exam canceled"))
        else:
            exam = Exam.objects.get(pk=int(rid))
            exam.is_completed = False
            results = Result.objects.filter(result_exam=exam)
            results.delete()
            exam.save()
            messages.success(request, _(u"Information about results of exam %s deleted successfully") % exam.name)
        return HttpResponseRedirect(reverse('results'))
    else:
        try:
            exam = Exam.objects.get(pk=int(rid))
        except:
            messages.error(_(u'There was an error on the server. Please try again later'))
            return HttpResponseRedirect(reverse('results'))
        else:
            return render(request, 'students/results_confirm_delete.html', {'exam': exam})