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Python Django Class-based Views Customizing Class-based Views Custom Mixin

John Laird
John Laird
6,021 Points

Why can't I complete the Mixin challenge? Not sure why this code doesn't pass.

Is there something wrong or missing with this code? Thanks!

from django.contrib.auth.mixins import LoginRequiredMixin
from django.core.urlresolvers import reverse_lazy
from django.views import generic

from . import mixins
from . import models

class ArticleList(generic.ListView):
    model = models.Article

class ArticleDetail(generic.DeleteView, generic.DetailView):
    model = models.Article
    template_name = 'articles/article_detail.html'

class ArticleCreate(LoginRequiredMixin, generic.CreateView):
    fields = ('title', 'body', 'author', 'published')
    model = models.Article

class ArticleUpdate(LoginRequiredMixin, generic.UpdateView):
    fields = ('title', 'body', 'author', 'published')
    model = models.Article

class ArticleDelete(LoginRequiredMixin, generic.DeleteView):
    model = models.Article
    success_url = reverse_lazy('articles:list')

class ArticleSearch(generic.ListView):
    model = models.Article

    def get_queryset(self):
        qs = super().get_queryset()
        term = self.kwargs.get('term')
        if term:
            return qs.filter(body__icontains=term)
        return qs.none()
from django.contrib import messages

class SuccessMessageMixin:

    def get_success_message(self):
        return self.success_message

    def form_valid(self, form):
        messages.success(self.request, self.get_success_message())
        return super().form_valid(form)