Python django.views.generic 模块，DeleteView() 实例源码

def query_set(self):
        queryset = super().get_queryset()
        return queryset.filter(recipient = self.request.user)

# class DeletePrivateMessage(LoginRequiredMixin,SelectRelatedMixin,generic.DeleteView):
#     model = PrivateMessage
#     select_related = ('sender','recipient')
#     success_url = reverse_lazy('private_messages:list')
#
#     def get_queryset(self):
#         queryset = super().get_queryset()
#         return queryset.filter(recipient = self.request.user)
#
#     def delete(self,*args,**kwargs):
#         messages.success(self.request,'Message Deleted')
#         return super().delete(*args,**kwargs)

def get_success_url(self):
        messages.success(self.request, _('The PDF File "%s" was removed successfully from virtual environment "%s"!')%(self.object.name, self.object.topic.subject.name))

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['pdffile_id'] = self.object.id
        self.log_context['pdffile_name'] = self.object.name
        self.log_context['pdffile_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.topic.subject.slug})

def get_success_url(self):
        messages.success(self.request, _('The group "%s" was removed successfully!')%(self.object.name))

        self.log_context['category_id'] = self.object.subject.category.id
        self.log_context['category_name'] = self.object.subject.category.name
        self.log_context['category_slug'] = self.object.subject.category.slug
        self.log_context['subject_id'] = self.object.subject.id
        self.log_context['subject_name'] = self.object.subject.name
        self.log_context['subject_slug'] = self.object.subject.slug
        self.log_context['group_id'] = self.object.id
        self.log_context['group_name'] = self.object.name
        self.log_context['group_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return reverse_lazy('groups:index', kwargs = {'slug': self.object.subject.slug})

def get_success_url(self):
        messages.success(self.request, _('The bulletin "%s" was removed successfully from virtual environment "%s"!')%(self.object.name, self.object.topic.subject.name))

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['bulletin_id'] = self.object.id
        self.log_context['bulletin_name'] = self.object.name
        self.log_context['bulletin_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.topic.subject.slug})

def get_success_url(self):
        messages.success(self.request, _('The YouTube Video "%s" was removed successfully from virtual environment "%s"!')%(self.object.name, self.object.topic.subject.name))

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['ytvideo_id'] = self.object.id
        self.log_context['ytvideo_name'] = self.object.name
        self.log_context['ytvideo_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context) 

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.topic.subject.slug})

def get_success_url(self):
        messages.success(self.request, _('The File Link "%s" was removed successfully from virtual environment "%s"!')%(self.object.name, self.object.topic.subject.name))

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['filelink_id'] = self.object.id
        self.log_context['filelink_name'] = self.object.name
        self.log_context['filelink_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.topic.subject.slug})

def get_success_url(self):
        messages.success(self.request, _('Topic "%s" was removed from virtual enviroment "%s" successfully!')%(self.object.name, self.object.subject.name))

        self.log_context['category_id'] = self.object.subject.category.id
        self.log_context['category_name'] = self.object.subject.category.name
        self.log_context['category_slug'] = self.object.subject.category.slug
        self.log_context['subject_id'] = self.object.subject.id
        self.log_context['subject_name'] = self.object.subject.name
        self.log_context['subject_slug'] = self.object.subject.slug
        self.log_context['topic_id'] = self.object.id
        self.log_context['topic_name'] = self.object.name
        self.log_context['topic_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context)

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.subject.slug})

def get_success_url(self):
        messages.success(self.request, _('The Goals specification of the topic %s was removed successfully!')%(self.object.topic.name))

        self.log_context['category_id'] = self.object.topic.subject.category.id
        self.log_context['category_name'] = self.object.topic.subject.category.name
        self.log_context['category_slug'] = self.object.topic.subject.category.slug
        self.log_context['subject_id'] = self.object.topic.subject.id
        self.log_context['subject_name'] = self.object.topic.subject.name
        self.log_context['subject_slug'] = self.object.topic.subject.slug
        self.log_context['topic_id'] = self.object.topic.id
        self.log_context['topic_name'] = self.object.topic.name
        self.log_context['topic_slug'] = self.object.topic.slug
        self.log_context['goals_id'] = self.object.id
        self.log_context['goals_name'] = self.object.name
        self.log_context['goals_slug'] = self.object.slug

        super(DeleteView, self).createLog(self.request.user, self.log_component, self.log_action, self.log_resource, self.log_context) 

        return reverse_lazy('subjects:view', kwargs = {'slug': self.object.topic.subject.slug})

def get_success_url(self):
        return self._plugin.get_success_url()


# class PreviewDeleteView(BaseFormView, DeleteView):
#     plugin = ViewFactory('delete', 'preview')

def dispatch(self, request, *args, **kwargs):
        """Overriding dispatch on DeleteView"""
        self.model = get_model(**kwargs)
        instance = get_model_instance(**kwargs)
        app_title = get_app_name(**kwargs)
        self.success_url = reverse_lazy(
            'index', args=(app_title, instance.title,))

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        pdf_file = get_object_or_404(PDFFile, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        group = get_object_or_404(StudentsGroup, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        webconference = get_object_or_404(Webconference, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        bulletin = get_object_or_404(Bulletin, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        youtube = get_object_or_404(YTVideo, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        webpage = get_object_or_404(Webpage, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        file_link = get_object_or_404(FileLink, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        topic = get_object_or_404(Topic, slug = slug)

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

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

def dispatch(self, request, *args, **kwargs):
        email = self.kwargs.get('email', None)

        if not email is None:
            if not request.user.is_staff:
                return redirect(reverse_lazy('subjects:home'))

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

def get_context_data(self, **kwargs):
        context = super(DeleteView, self).get_context_data(**kwargs)
        context['title'] = _('Delete Account')
        context['email'] = self.kwargs.get('email', None)

        return context

def dispatch(self, request, *args, **kwargs):
        slug = self.kwargs.get('slug', '')
        goals = get_object_or_404(Goals, slug = slug)

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

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