What I want parts["toc"] in from HTMLWriter + publish_parts to return

docutils_toc.py

#! /usr/bin/env python
# -*- coding: utf-8 -*-
from docutils.core import publish_parts
from docutils.writers.html5_polyglot import Writer

toc = """
.. contents::
"""

contents = """

=========
Hey world
=========

what's up
---------

ok



"""

# parts for both, in order show a diff of what I want/do not want
both = publish_parts(
    source=toc+contents,
    writer=Writer(),
)

# parts for the contents
just_the_contents = publish_parts(
    source=contents,
    writer=Writer(),
)

print('All I want to have in html_body is: \n%s' %
      just_the_contents["html_body"])


desired_output = """
<div class="contents topic" id="contents">
<p class="topic-title first">Contents</p>
<ul class="simple">
<li><p><a class="reference internal" href="#hey-world" id="id1">Hey world</a></p>
<ul>
<li><p><a class="reference internal" href="#what-s-up" id="id2">what's up</a></p></li>
</ul>
</li>
</ul>
</div>
"""
print(
    '\n\nWhat I want just_the_contents["toc"] to show: \n%s' % desired_output
)

"""
1. Currently, table of contents is only outputted through directive.
2. I do not to position table of contents in the RST. (therefore, I
   specifically do not want it in html_body)
3. I want it to be available in "toc" *without* using the directive in the
   source.
"""