cpython/Doc/tools/extensions/glossary_search.py

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# -*- coding: utf-8 -*-
"""
glossary_search.py
~~~~~~~~~~~~~~~~
Feature search results for glossary items prominently.
:license: Python license.
"""
import json
import os.path
from docutils.nodes import definition_list_item
from sphinx.addnodes import glossary
from sphinx.util import logging
logger = logging.getLogger(__name__)
STATIC_DIR = '_static'
JSON = 'glossary.json'
def process_glossary_nodes(app, doctree, fromdocname):
if app.builder.format != 'html':
return
terms = {}
for node in doctree.traverse(glossary):
for glossary_item in node.traverse(definition_list_item):
term = glossary_item[0].astext().lower()
definition = glossary_item[1]
rendered = app.builder.render_partial(definition)
terms[term] = {
'title': glossary_item[0].astext(),
'body': rendered['html_body']
}
if hasattr(app.env, 'glossary_terms'):
app.env.glossary_terms.update(terms)
else:
app.env.glossary_terms = terms
def on_build_finish(app, exc):
if not hasattr(app.env, 'glossary_terms'):
return
if not app.env.glossary_terms:
return
logger.info(f'Writing {JSON}', color='green')
dest_dir = os.path.join(app.outdir, STATIC_DIR)
os.makedirs(dest_dir, exist_ok=True)
with open(os.path.join(dest_dir, JSON), 'w') as f:
json.dump(app.env.glossary_terms, f)
def setup(app):
app.connect('doctree-resolved', process_glossary_nodes)
app.connect('build-finished', on_build_finish)
return {'version': '0.1', 'parallel_read_safe': True}