def _apply(context, item, basepath, depth, maxdepth):
pages = context.pages
# Find the first link in the item and use its path
text = item.get("text")
link = functions.first_span_of_type(text, "link")
if not link:
return
ref = link.get("value")
if not ref or ":" in ref:
return
fullpath = pages.full_path(basepath, ref)
if not pages.exists(fullpath):
return
# Load the referenced page
json = pages.json(fullpath, context)
# Find the subtopics section
subtopics = functions.subblock_by_id(json, "subtopics")
if not subtopics:
return
# Copy the subtopics onto this topic's body
if "body" in subtopics:
body = copy.deepcopy(subtopics["body"])
# Collapse certain block types
body = functions.collapse(body, ("col_group", "col"))
item["body"] = body
if depth < maxdepth:
# Recurse on the loaded subtopics
topics = functions.find_items(subtopics, "subtopics_item")
for subitem in topics:
Toc._apply(context, subitem, fullpath, depth + 1, maxdepth)
def _parent_info(json, path):
# Find the subtopics section
subtopics = functions.subblock_by_id(json, "subtopics")
if subtopics:
stbody = subtopics.get("body")
if stbody:
# Remove
body = functions.collapse(stbody, ("col_group", "col"))
subtopics["body"] = body
return {
"path": path,
"basepath": paths.basepath(path),
"title": json.get("title", ()),
"summary": json.get("summary", ()),
"attrs": json.get("attrs", {}),
"subtopics": subtopics,
}
