class CadastroCreateView(CreateView):
    form_class = CadastroForm
    success_url = '/?cadastro=1'
    template_name = 'signup.html'
    model = Cadastro

    def get_context_data(self, **kwargs):
        context = super(CadastroCreateView, self).get_context_data(**kwargs)
        context.update({
            'estados':U.STATE_CHOICES,
            'culturas':Cultura.objects.all(),
            'interesses': Topico.objects.all(),
        })
        return context

    def post(self, request, *args, **kwargs):
        """
        Handles POST requests, instantiating a form instance and its inline
        formsets with the passed POST variables and then checking them for
        validity.
        """
        self.object = None
        form_class = self.get_form_class()
        form = self.get_form(form_class)


        if (form.is_valid()):
            return self.form_valid(form)
        else:
            return HttpResponse('oi')
            return self.form_invalid(form)

    def form_valid(self, form):
        """
        Called if all forms are valid. Creates a Recipe instance along with
        associated Ingredients and Instructions and then redirects to a
        success page.
        """
        self.object = form.save()
        u = authenticate(username=self.object.email, password=self.object.senha)
        authlogin(self.request, u)
        return redirect('conteudos:home')


    def form_invalid(self, form):
        """
        Called if a form is invalid. Re-renders the context data with the
        data-filled forms and errors.
        """
        return self.render_to_response(
            self.get_context_data(form=form)
        )