code: def put(self, key, value):
      '''Stores the object names by keytransform(key).'''
      return self.child_datastore.put(self._transform(key), valuef put(self, key, value):
      '''Stores the object names by keytransform(key).'''
      return self.child_datastore.put(self._transform(key), value)
docs: Stores the object names by keytransform(key).