相关疑难解决方法(0)

我试图从另一个内部类引用一个内部类。我都试过：

class Foo(object):

  class A(object):
    pass

  class B(object):
    other = A

和

class Foo(object):

  class A(object):
    pass

  class B(object):
    other = Foo.A

各自的结果：

Traceback (most recent call last):
  File "python", line 1, in <module>
  File "python", line 6, in Foo
  File "python", line 7, in B
NameError: name 'A' is not defined

和

Traceback (most recent call last):
  File "python", line 1, in <module>
  File "python", line 6, in Foo
  File "python", line 7, in B
NameError: name 'Foo' is …