computer-playbook/sphinx/extensions/local_file_headings.py

50 lines
2.0 KiB
Python

import os
from sphinx.util import logging
from docutils.parsers.rst import Directive
from .nav_utils import natural_sort_key, extract_headings_from_file, group_headings, sort_tree, MAX_HEADING_LEVEL, DEFAULT_MAX_NAV_DEPTH
logger = logging.getLogger(__name__)
DEFAULT_MAX_NAV_DEPTH = 4
def add_local_file_headings(app, pagename, templatename, context, doctree):
srcdir = app.srcdir
directory = os.path.dirname(pagename)
abs_dir = os.path.join(srcdir, directory)
if not os.path.isdir(abs_dir):
logger.warning(f"Directory {abs_dir} not found for page {pagename}.")
context['local_md_headings'] = []
return
# Get only files with .md or .rst extensions.
files = [f for f in os.listdir(abs_dir) if f.endswith('.md') or f.endswith('.rst')]
# If an index file is present, remove any readme files (case-insensitive).
files_lower = [f.lower() for f in files]
if 'index.md' in files_lower or 'index.rst' in files_lower:
files = [f for f in files if f.lower() not in ['readme.md', 'readme.rst']]
file_items = []
for file in files:
filepath = os.path.join(abs_dir, file)
headings = extract_headings_from_file(filepath, max_level=MAX_HEADING_LEVEL)
basename, _ = os.path.splitext(file)
# Set priority: index gets priority 0, otherwise 1.
priority = 0 if basename.lower() == 'index' else 1
for heading in headings:
file_link = os.path.join(directory, basename)
file_items.append({
'level': heading['level'],
'text': heading['text'],
'link': file_link,
'anchor': heading['anchor'],
'priority': priority,
'filename': basename
})
tree = group_headings(file_items)
sort_tree(tree)
context['local_md_headings'] = tree
def setup(app):
app.add_config_value('local_nav_max_depth', DEFAULT_MAX_NAV_DEPTH, 'env')
app.connect('html-page-context', add_local_file_headings)
return {'version': '0.1', 'parallel_read_safe': True}