尽管我发表了“有点光顾”的评论(公平地称呼它!),实际上还是有一些方法可以实现您想要的:继承的另一种途径。一对夫妇:
编写一个装饰器,该装饰器在声明一个类后立即对其进行内省,找到内部类,并将属性从外部类复制到它们中。
用元类做同样的事情。
这是装饰器方法,因为它是最简单的方法:
def matryoshka(cls): # get types of classes class classtypes: pass classtypes = (type, type(classtypes)) # get names of all public names in outer class directory = [n for n in dir(cls) if not n.startswith("_")] # get names of all non-callable attributes of outer class attributes = [n for n in directory if not callable(getattr(cls, n))] # get names of all inner classes innerclasses = [n for n in directory if isinstance(getattr(cls, n), classtypes)] # copy attributes from outer to inner classes (don't overwrite) for c in innerclasses: c = getattr(cls, c) for a in attributes: if not hasattr(c, a): setattr(c, a, getattr(cls, a)) return cls这是其用法的一个简单示例:
@matryoshkaclass outer(object): answer = 42 class inner(object): def __call__(self): print self.answerouter.inner()() # 42
但是,我不禁认为其他答案中提出的一些想法会更好地为您服务。



