如何修改这个类让它实例化

luofeiyu_cu

>>> class simpleDescriptor(object):
...     def __get__(self,obj,type=None) :
...         return "get",self,obj,type
...     def __set__(self,obj,type=None) :
...         print("haha")
...     def __del__(self,obj,type=None) :
...         pass
...
>>> x=simpleDescriptor()
Exception ignored in: <bound method simpleDescriptor.__del__ of <__main__.simple
Descriptor object at 0x000000000297BEB8>>
TypeError: __del__() missing 1 required positional argument: 'obj'


如何修改这个类让它实例化

lizhihui_kevin

问的是这个吗????

1. 
   
2. class SimpleDescriptor(object):
   
3. 
   
4.     def __init__(self, name, sex, age):
   
5.         self.name = name
   
6.         self.sex = sex
   
7.         self.age = age
   
8. 
   
9.     def __get__(self, instance, owner):
   
10.         return eval('.'.join(['self', instance]))
    
11. 
    
12.     def __set__(self, instance, value):
    
13.         self.instance = value
    
14. 
    
15.     def __del__(self):
    
16.         del self
    

复制代码