selfreferenceproperty

How can I use bulkuploader to populate class with a db.SelfReferenceProperty?

I've got a class that is using db.SelfReferenceProperty to create a tree-like structure. When trying to populate the database using appcfg.py upload_data -- config_file=bulkloader.yaml --kind=Group --filename=group.csv (...) , I'm getting an exception saying BadValueError: name must not be empty. (Full stack below) I tried ordering th...