def do_action(self, queryset):
# Check that the user has delete permission for the actual model
if not self.has_delete_permission():
raise PermissionDenied
using = router.db_for_write(self.model)
# Populate deletable_objects, a data structure of all related objects that
# will also be deleted.
deletable_objects, perms_needed, protected = get_deleted_objects(
queryset, self.opts, self.user, self.admin_site, using
)
# The user has already confirmed the deletion.
# Do the deletion and return a None to display the change list view again.
if self.request.POST.get("post"):
if perms_needed:
raise PermissionDenied
self.delete_models(queryset)
# Return None to display the change list page again.
return None
if len(queryset) == 1:
objects_name = force_unicode(self.opts.verbose_name)
else:
objects_name = force_unicode(self.opts.verbose_name_plural)
if perms_needed or protected:
title = _("Cannot delete %(name)s") % {"name": objects_name}
else:
title = _("Are you sure?")
context = self.get_context()
context.update(
{
"title": title,
"objects_name": objects_name,
"deletable_objects": [deletable_objects],
"queryset": queryset,
"perms_lacking": perms_needed,
"protected": protected,
"opts": self.opts,
"app_label": self.app_label,
"action_checkbox_name": ACTION_CHECKBOX_NAME,
}
)
# Display the confirmation page
return TemplateResponse(
self.request,
self.delete_selected_confirmation_template
or [
"admin/%s/%s/delete_selected_confirmation.html" % (self.app_label, self.opts.object_name.lower()),
"admin/%s/delete_selected_confirmation.html" % self.app_label,
"admin/delete_selected_confirmation.html",
],
context,
current_app=self.admin_site.name,
)
def init_request(self, object_id, *args, **kwargs):
"The 'delete' admin view for this model."
self.obj = self.get_object(unquote(object_id))
if not self.has_delete_permission(self.obj):
raise PermissionDenied
if self.obj is None:
raise Http404(_('%(name)s object with primary key %(key)r does not exist.') % {'name': force_unicode(self.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.
(self.deleted_objects, self.perms_needed, self.protected) = get_deleted_objects(
[self.obj], self.opts, self.request.user, self.admin_site, using)
