Python sqlalchemy.orm 模块，synonym() 实例源码

def password(cls):
        return synonym('_password',
                       descriptor=property(cls.get_password, cls.set_password))

def extra(cls):
        return synonym('_extra',
                       descriptor=property(cls.get_extra, cls.set_extra))

def val(cls):
        return synonym('_val',
                       descriptor=property(cls.get_val, cls.set_val))

def state(self):
        return synonym('_state',
                       descriptor=property(self.get_state, self.set_state))

def password(cls):
        return synonym('_password',
                       descriptor=property(cls.get_password, cls.set_password))

def extra(cls):
        return synonym('_extra',
                       descriptor=property(cls.get_extra, cls.set_extra))

def val(cls):
        return synonym('_val',
                       descriptor=property(cls.get_val, cls.set_val))

def state(self):
        return synonym('_state',
                       descriptor=property(self.get_state, self.set_state))