Type error with django class based view

Question

I get this error

TypeError at /author/list/4 super(type, obj): obj must be an instance or subtype of type

Exception Location: /home/ronald/best/A2/0124/vort/larb/views.py in get_context_data, line 140

context = super(AuthorCreate, self).get_context_data(**kwargs)

url.py

url(r'^author/list/(?P<user_id>\d+)$', AuthorList.as_view(), name='author_list' ),

views.py for listview

class AuthorList(LoginRequiredMixin, ListView):
    template_name = 'authorList.html'
    queryset = Author.objects.all()

    def get_context_data(self, **kwargs):
        context = super(AuthorCreate, self).get_context_data(**kwargs)
        if int(self.kwargs['user_id']) != self.request.user.id:
            raise PermissionDenied
        return context

authorList.html

   {{ request.user.username}} 

    <ul>
        {% for author in object_list %}
            <li>{{ author.firstName }}
                 <a href="{% url "author_update" author.id %}">{{ author.firstName }}</a>
                 <a href="{% url "author_delete" author.id %}">delete</a>
            </li>
         {% endfor %}
    </ul>

Suchan Lee · Accepted Answer · 2014-01-29 19:40:00Z

4

The code should be this:

class AuthorList(LoginRequiredMixin, ListView):
    template_name = 'authorList.html'
    queryset = Author.objects.all()

    def get_context_data(self, **kwargs):
        context = super(AuthorList, self).get_context_data(**kwargs)
        if int(self.kwargs['user_id']) != self.request.user.id:
            raise PermissionDenied
        return context

In context = Super(...).get_context_data, I changed it from AuthorCreate to AuthorList

answered Jan 29, 2014 at 19:40

Suchan Lee

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4 Comments

user2387135 Over a year ago

I still get an error. NoReverseMatch at /author/list/4 Reverse for 'author_update' with arguments '(1,)' and keyword arguments '{}' not found. 1 pattern(s) tried: ['author/(?P<user_id>\\d+)/(?P<pk>\\d+)$']

Suchan Lee Over a year ago

I believe that that problem is unrelated to the problem you've asked in this post. To diagnose the problem more information about it is needed.. such as the code from the views and urls as well as the error stack trace

user2387135 Over a year ago

I already check your answer if you can help in my other question, thanks.

Suchan Lee Over a year ago

I've answered it -- let me know if it helps :)

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