def trSave(self): a = Account.get(self.parent_key()) if a.balance == None: a.balance = 0 a.balance+=self.amount a.last_change = datetime.datetime.utcnow() a.save() return BaseModel.save(self)
def __init__(self, parent=None, key_name=None, app=None, **entity_values): """初始化,主要用于初始化Taggable。""" BaseModel.__init__(self, parent, key_name, app, **entity_values) Taggable.__init__(self)