Python base 模块，BaseModel() 实例源码

def to_hash(self):
        new_hash = base.BaseModel.to_hash(self)
        new_hash.update(dict(
            email = self.email,
            first_name = self.first_name,
            last_name = self.last_name,
            is_admin = self.is_admin
        ))
        return new_hash