8.python Face Object Part.8 (class adorner)

The following is an example of using a decorator for a class to temporarily add properties or methods to a defined class through the form of an adorner.

def add_property (**kwargs):

def deco (obj):

For Key,value in Kwargs.items ():

SetAttr (Obj,key,value)

return obj

Return deco

@ add_property (a=1,b=2,c=3)

Class Test:

Pass

T1 = Test ()

Print Test.a

Print test.b

Print test.c

Output:

1

2

3

This adorner can be used not only in classes, but also on objects.

This article is from the "Rebirth" blog, make sure to keep this source http://suhaozhi.blog.51cto.com/7272298/1919350

8.python Face Object Part.8 (class adorner)