Python 具有附加属性的多重继承
处理这种继承结构的最佳方法是什么:Python 具有附加属性的多重继承,python,multiple-inheritance,Python,Multiple Inheritance,处理这种继承结构的最佳方法是什么: class A(object): def __init__(self): print('A') class B(A): def __init__(self, foo): super(B, self).__init__() self.foo = foo print('B') class C(A): def __init__(self, bar): supe
class A(object):
def __init__(self):
print('A')
class B(A):
def __init__(self, foo):
super(B, self).__init__()
self.foo = foo
print('B')
class C(A):
def __init__(self, bar):
super(C, self).__init__()
self.bar = bar
print('C')
class D(B, C):
def __init__(self, foo, bar):
super(D, self).__init__(foo, bar)
基本上,我希望能够呼叫:
>>> d = D('bar', 'ram ewe')
>>> d.foo
'bar'
>>> d.bar
'ram ewe'
目前,super(D,self)。\uuuuu init\uuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuu
编辑
工作答案,感谢丹尼尔·罗斯曼
class A(object):
def __init__(self, *args, **kwargs):
print('A')
class B(A):
def __init__(self, foo, *args, **kwargs):
super(B, self).__init__(*args, **kwargs)
self.foo = foo
print('B')
class C(A):
def __init__(self, bar, *args, **kwargs):
super(C, self).__init__(*args, **kwargs)
self.bar = bar
print('C')
class D(B, C):
def __init__(self, foo, bar, *args, **kwargs):
super(D, self).__init__(foo, bar, *args, **kwargs)
最好的方法是始终确保使用*args、**kwargs
语法定义和调用方法。这意味着他们将获得所需的参数,而忽略其余参数。另请参见:。与公认的索赔答案相反,这是非常有可能的。读得好!谢谢,德尔南。谢谢:)工作得很有魅力!