vyos-documentation/docs/_ext/autosectionlabel.py

69 lines
2.0 KiB
Python

# -*- coding: utf-8 -*-
"""
sphinx.ext.autosectionlabel
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Allow reference sections by :ref: role using its title.
:copyright: Copyright 2007-2019 by the Sphinx team, see AUTHORS.
:license: BSD, see LICENSE for details.
from sphinx version 1.8.4 to get readthedocs working
"""
from docutils import nodes
from sphinx.locale import __
from sphinx.util import logging
from sphinx.util.nodes import clean_astext
if False:
# For type annotation
from typing import Any, Dict # NOQA
from sphinx.application import Sphinx # NOQA
logger = logging.getLogger(__name__)
if False:
# For type annotation
from typing import Any, Dict # NOQA
from sphinx.application import Sphinx # NOQA
def register_sections_as_label(app, document):
# type: (Sphinx, nodes.Node) -> None
labels = app.env.domaindata['std']['labels']
anonlabels = app.env.domaindata['std']['anonlabels']
for node in document.traverse(nodes.section):
labelid = node['ids'][0]
docname = app.env.docname
ref_name = getattr(node[0], 'rawsource', node[0].astext())
if app.config.autosectionlabel_prefix_document:
name = nodes.fully_normalize_name(docname + ':' + ref_name)
else:
name = nodes.fully_normalize_name(ref_name)
sectname = clean_astext(node[0])
if name in labels:
if len(node['ids']) > 1:
continue
logger.warning(__('duplicate label %s, other instance in %s'),
name, app.env.doc2path(labels[name][0]),
location=node)
anonlabels[name] = docname, labelid
labels[name] = docname, labelid, sectname
def setup(app):
# type: (Sphinx) -> Dict[unicode, Any]
app.add_config_value('autosectionlabel_prefix_document', False, 'env')
app.connect('doctree-read', register_sections_as_label)
return {
'version': 'builtin',
'parallel_read_safe': True,
'parallel_write_safe': True,
}