CppTest/Python/AbstractClass.py at master · skynowa/CppTest · GitHub

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#!/usr/bin/env python
#
# \file  AbstractClass.py
# \brief
#


import abc
#--------------------------------------------------------------------------------------------------
class IInretface(object):
	__metaclass__ = abc.ABCMeta

	@abc.abstractmethod
	def foo(self):
		pass

class A(IInretface):
	pass

class B(A):
	def foo(self):
		return super(B, self).foo()
#--------------------------------------------------------------------------------------------------
a = A()

"""
Traceback (most recent call last):
  File "./AbstractClass.py", line 21, in <module>
    a = A()
TypeError: Can't instantiate abstract class A with abstract methods foo
"""
#--------------------------------------------------------------------------------------------------
interface = IInretface()

"""
Traceback (most recent call last):
  File "./AbstractClass.py", line 20, in <module>
    interface = IInretface()
TypeError: Can't instantiate abstract class IInretface with abstract methods foo
"""
#--------------------------------------------------------------------------------------------------