inspect.py 文件源码

def _shadowed_dict(klass):
    dict_attr = type.__dict__["__dict__"]
    for entry in _static_getmro(klass):
        try:
            class_dict = dict_attr.__get__(entry)["__dict__"]
        except KeyError:
            pass
        else:
            if not (type(class_dict) is types.GetSetDescriptorType and
                    class_dict.__name__ == "__dict__" and
                    class_dict.__objclass__ is entry):
                return class_dict
    return _sentinel