n the source code is available for parsing: it is not possible to retrieve
variable docstrings from introspection informations only. </p>


<h3> 3.2. C Extensions </h3>

<p> In a C extension module, extension classes cannot have a docstring attached
to the <code>__init__</code> function; consequently it is not possible to
document parameters and exceptions raised by the class constructor. To overcome
this shortcoming, the tags <code>@param</code>, <code>@keyword</code>,
<code>@type</code>, <code>@exception<