views.py 文件源码

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('sub_slug', '')
        subject = get_object_or_404(Subject, slug = slug)

        if not has_subject_permissions(request.user, subject):
            return redirect(reverse_lazy('subjects:home'))

        return super(UpdateView, self).dispatch(request, *args, **kwargs)