@csrf_protect_m
    @transaction.atomic
    def delete_view(self, request, object_id, extra_context=None):
        "The 'delete' admin view for this model."
        opts = self.model._meta
        app_label = opts.app_label

        to_field = request.POST.get(TO_FIELD_VAR, request.GET.get(TO_FIELD_VAR))
        if to_field and not self.to_field_allowed(request, to_field):
            raise DisallowedModelAdminToField("The field %s cannot be referenced." % to_field)

        obj = self.get_object(request, unquote(object_id), to_field)

        if not self.has_delete_permission(request, obj):
            raise PermissionDenied

        if obj is None:
            raise Http404(
                _('%(name)s object with primary key %(key)r does not exist.') %
                {'name': force_text(opts.verbose_name), 'key': escape(object_id)}
            )

        using = router.db_for_write(self.model)

        # Populate deleted_objects, a data structure of all related objects that
        # will also be deleted.
        (deleted_objects, model_count, perms_needed, protected) = get_deleted_objects(
            [obj], opts, request.user, self.admin_site, using)

        if request.POST and not protected:  # The user has confirmed the deletion.
            if perms_needed:
                raise PermissionDenied
            obj_display = force_text(obj)
            attr = str(to_field) if to_field else opts.pk.attname
            obj_id = obj.serializable_value(attr)
            self.log_deletion(request, obj, obj_display)
            self.delete_model(request, obj)

            return self.response_delete(request, obj_display, obj_id)

        object_name = force_text(opts.verbose_name)

        if perms_needed or protected:
            title = _("Cannot delete %(name)s") % {"name": object_name}
        else:
            title = _("Are you sure?")

        context = dict(
            self.admin_site.each_context(request),
            title=title,
            object_name=object_name,
            object=obj,
            deleted_objects=deleted_objects,
            model_count=dict(model_count).items(),
            perms_lacking=perms_needed,
            protected=protected,
            opts=opts,
            app_label=app_label,
            preserved_filters=self.get_preserved_filters(request),
            is_popup=(IS_POPUP_VAR in request.POST or
                      IS_POPUP_VAR in request.GET),
            to_field=to_field,
        )
        context.update(extra_context or {})

        return self.render_delete_form(request, context)
dataset/ETHPy150Open django/django/django/contrib/admin/options.py/ModelAdmin.delete_view/original