Python with_metaclass 继承测试

#!/usr/bin/pythonfrom six import with_metaclassclass A(type):def TestA(self):print('TestA')class B(object):def TestB(self):print('TestB')class C(with_metaclass(A,B)):def TestC(...

布鲁克零三四四

1349人浏览 · 2019-05-30 13:59:41

布鲁克零三四四 · 2019-05-30 13:59:41 发布

#!/usr/bin/python
from six import with_metaclass

class A(type):
	def TestA(self):
		print('TestA')
		
class B(object):
	def TestB(self):
		print('TestB')
		
class C(with_metaclass(A,B)):
	def TestC(self):
		print('TestC')
    

c=C()
c.TestC()
c.TestB()
c.TestA()

输出结果：

TestC
TestB
Traceback (most recent call last):
File "/tmp/516425337/main.py", line 20, in <module>
c.TestA()
AttributeError: 'C' object has no attribute 'TestA'

exit status 1

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