擅长:python、mysql、java
<blockquote>
<p>I was assured that all mature python library objects have internal functions such as __ exit__ that allow all basic functionality. </p>
</blockquote>
<p>它们是这样的,而且您的pastebin指示这样的-请看顶部的<code>__exit__</code>?在</p>
<p>这是一种用于实现以下功能的特殊方法。。。在</p>
<blockquote>
<p>What is the right way of closing a Python object?</p>
</blockquote>
<p>自动使用with块:</p>
<pre><code>with some_api_call() as awesome_thing_from_api:
use(awesome_thing_from_api)
</code></pre>