python - 在嵌套类中使用 super()

Question

想象一下:

class A(object):
    class B(object):
        def __init__(self):
            super(B, self).__init__()

这会产生错误:

NameError: global name B is not defined.

I've tried A.B, but then it says that A is not defined.

Update:

I've found the problem.

I've had a class like this:

class A(object):
    class B(object):
        def __init__(self):
            super(B, self).__init__()

    someattribute = B()

在该范围内，A 尚未定义。

Answer 1

我不确定为什么 A.B 不能正常工作，因为它应该..这是一些有效的 shell 输出:

>>> class A(object):
...   class B(object):
...     def __init__(self):
...       super(A.B, self).__init__()
...   def getB(self):
...     return A.B()
... 
>>> A().getB()
<__main__.B object at 0x100496410>