擅长:python、mysql、java
<p>我能找到的最接近你问题的答案是<a href="http://mail.python.org/pipermail/python-bugs-list/2006-April/033155.html" rel="noreferrer">http://mail.python.org/pipermail/python-bugs-list/2006-April/033155.html</a>。</p>
<p>基本上,如果<code>__dict__</code>不是实际的<code>dict()</code>,那么它将被忽略,并且属性查找将失败。</p>
<p>另一种方法是使用odct作为成员,并相应地重写getitem和setitem方法。</p>
<pre><code>>>> class A(object) :
... def __init__(self) :
... self.__dict__['_odict'] = odict()
... def __getattr__(self, value) :
... return self.__dict__['_odict'][value]
... def __setattr__(self, key, value) :
... self.__dict__['_odict'][key] = value
...
>>> a = A()
>>> a
<__main__.A object at 0xb7bce34c>
>>> a.x = 1
>>> a.x
1
>>> a.y = 2
>>> a.y
2
>>> a.odict
odict.odict([('x', 1), ('y', 2)])
</code></pre>