def create_project(self, name, description, owner="", rw_locations=[], ro_locations=[]) :
"""
create an empty project
"""
this_project = Project()
this_project.name = name
this_project.description = description
this_project.owner = owner
this_project.rw_locations = rw_locations
this_project.ro_locations = ro_locations
# store_project adds db_id
return self.store_project(this_project)
