code: def copy(self, contents=True):
          '''Create a copy of this model, optionally without contents (i.e. just configuration)'''
          cp = connection(collection=self._db_coll, baseiri=self._baseiri)
          if contents: cp.add_many(self._relationships)
          return cf copy(self, contents=True):
          '''Create a copy of this model, optionally without contents (i.e. just configuration)'''
          cp = connection(collection=self._db_coll, baseiri=self._baseiri)
          if contents: cp.add_many(self._relationships)
          return cp
docs: Create a copy of this model, optionally without contents (i.e. just configuration)