擅长:python、mysql、java
<p>对于<a href="https://stackoverflow.com/questions/3415816/asymmetric-behavior-for-getattr-newstyle-vs-oldstyle-classes">Asymmetric behavior for __getattr__, newstyle vs oldstyle classes</a>(另请参见<a href="http://docs.python.org/reference/datamodel.html#new-style-special-lookup" rel="nofollow noreferrer">Python docs</a>)的答案,使用<code>__getattr__</code>或<code>__getattribute__</code>修改对“magic”方法的访问权限对于新样式的类是不可能的。这个限制使解释器更快。</p>