擅长:python、mysql、java
<p>尝试<a href="https://stackoverflow.com/a/29732914/865719">this solution</a></p>
<pre><code>if (handle == Py_None) {
continue;
}
</code></pre>
<p>或者</p>
<blockquote>
<p>int PyObject_Not(PyObject *o)</p>
<p>Returns 0 if the object o is considered to be true, and 1 otherwise. This is equivalent to the Python expression not o. On failure, return -1.</p>
</blockquote>
<p>否则,您可以检查<code>handle</code>的字符串表示形式。根据<a href="https://docs.python.org/2/c-api/object.html" rel="nofollow">the documentation</a>,您可以使用</p>
^{pr2}$
<p>我在想</p>
^{3}$