@classmethod
  def _load_entity_values(cls, entity):
    entity_values = super(Expando, cls)._load_entity_values(entity)
    for key, value in entity.iteritems():
      if key not in entity_values:

        entity_values[str(key)] = value
    return entity_values
Load dynamic properties from entity.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/db/__init__.py/Expando._load_entity_values