python中getattribute方法作用是什么？

class MyClass:

    def __init__(self, x):

        self.x = x

    def __getattribute__(self, item):

        print('正在获取属性{}'.format(item))

        return super(MyClass, self).__getattribute__(item)

>>> obj = MyClass(2)

>>> obj.x

正在获取属性x

2