doc/build/templates/content_layout.html

# defines the default layout for normal documentation pages (not including the index)
<%inherit file="base.html"/>

<%namespace file="nav.html" import="topnav"/>
<%
    current = toc.get_by_file(self.template.module.filename)
%>

<A name="<% current.path %>"></a>

${topnav(item=current)}

${next.body(toc=toc)}