bpo-34398: Allow glossary results to show up on search page (GH-8773)

Doc/tools/extensions/glossary_search.py

@@ -0,0 +1,57 @@
+# -*- coding: utf-8 -*-
+"""
+    glossary_search.py
+    ~~~~~~~~~~~~~~~~
+
+    Feature search results for glossary items prominently.
+
+    :license: Python license.
+"""
+from os import path
+from sphinx.addnodes import glossary
+from sphinx.util import logging
+from docutils.nodes import definition_list_item
+import json
+
+
+logger = logging.getLogger(__name__)
+
+
+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('Writing glossary.json', color='green')
+    with open(path.join(app.outdir, '_static', 'glossary.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}