Re: publish_parts and table of contents?

On 2017-07-22, Tony Narlock wrote:

> I can confirm getting the node information.

> The issue I have is getting the HTML from toc_list.

> The only other problem I have is:

...
> AttributeError: 'bullet_list' object has no attribute
> 'note_transform_message'

You need to pass a complete doctree to publish from doctree but
transforms.Contents.build_contents() returns only a partial doctree.

The example below should get you started.

Günter

#! /usr/bin/env python
# -*- coding: utf-8 -*-
#
# Proof of concept for a front end generating just a toc from an rst source.

import sys
import docutils
from docutils.core import Publisher, publish_doctree, publish_from_doctree
from docutils.transforms.parts import Contents
from docutils import nodes
# from docutils.writers.html5_polyglot import Writer

# Test source as string
sample = """

Sample Title
============

first section
-------------

some text

second section
--------------

more text

this is subsection 2.1
**********************

"""

# Parse sample to a doctree (for later parsing with build_contents())

sample_tree = publish_doctree(source=sample)

# The sample can also be written to supported output formats from the doctree:
output = publish_from_doctree(sample_tree, writer_name="pseudoxml")
# output = publish_from_doctree(sample_tree, writer_name="latex")
# output = publish_from_doctree(sample_tree, writer_name="html5")

#print output


# Create a new document tree with just the table of contents
# ==========================================================

# document tree template:
toc_tree = nodes.document('', '', source='toc-generator')
toc_tree += nodes.title('', 'Table of Contents')

# Re-use the Contents transform to generate the toc by travelling over the
# doctree of the complete document.

# Set up a Contents instance:
# The Contents transform requires a "pending" startnode and generation options
# startnode
pending = nodes.pending(Contents, rawsource='')
contents_transform = docutils.transforms.parts.Contents(sample_tree, pending)
contents_transform.backlinks = False

# run the contents builder and append the result to the template:
toc_topic = nodes.topic(classes=['contents'])
toc_topic += contents_transform.build_contents(sample_tree)

toc_tree += toc_topic

# test

# print toc_tree
output = publish_from_doctree(toc_tree, writer_name="pseudoxml")
output = publish_from_doctree(toc_tree, writer_name="html5")
print output


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