擅长:python、mysql、java
<p>您确实需要阅读一些Python文档并学习该语言的基础知识。</p>
<p>我查过了,你好像会说中文。以下是Python中文文档资源:</p>
<p><a href="http://www6.uniovi.es/python/doc/NonEnglish.html#chinese" rel="nofollow noreferrer">http://www6.uniovi.es/python/doc/NonEnglish.html#chinese</a></p>
<p>现在,回答你的问题。我不知道答案是什么,所以我用了谷歌。我在谷歌上搜索了“<code>Python __path__</code>”,很快发现:</p>
<p><a href="http://docs.python.org/tutorial/modules.html" rel="nofollow noreferrer">http://docs.python.org/tutorial/modules.html</a></p>
<blockquote>
<p>6.4.3. Packages in Multiple Directories</p>
<p>Packages support one more special
attribute, <code>__path__</code>. This is
initialized to be a list containing
the name of the directory holding the
package’s <code>__init__.py</code> before the code
in that file is executed. This
variable can be modified; doing so
affects future searches for modules
and subpackages contained in the
package.</p>
<p>While this feature is not often
needed, it can be used to extend the
set of modules found in a package.</p>
</blockquote>