def generate_toc()

in theme/plugins/toc.py [0:0]

• 30 lines of code
• 7 McCabe index (conditional complexity)

def generate_toc(content):
    if isinstance(content, contents.Static):
        return

    all_ids = set()
    title = content.metadata.get('title', 'Title')
    tree = node = HtmlTreeNode(None, title, 'h0', '')
    soup = BeautifulSoup(content._content, 'html.parser')
    settoc = False

    try:
        header_re = re.compile(content.metadata.get(
            'toc_headers', content.settings['TOC']['TOC_HEADERS']))
    except re.error as e:
        logger.error("TOC_HEADERS '%s' is not a valid re\n%s",
                     content.settings['TOC']['TOC_HEADERS'])
        raise e

    # Find TOC tag
    tocTag = soup.find('p', text = '[TOC]')
    if tocTag:
        for header in tocTag.findAllNext(header_re):
            settoc = True
            node, new_header = node.add(header, all_ids)
            header.replaceWith(new_header)  # to get our ids back into soup
    
        if settoc:
            print("Generating ToC for %s" % content.slug)
            tree_string = '{}'.format(tree)
            tree_soup = BeautifulSoup(tree_string, 'html.parser')
            content.toc = tree_soup.decode(formatter='html')
            itoc = soup.find('p', text = '[TOC]')
            if itoc:
                itoc.replaceWith(tree_soup)
            
        content._content = soup.decode(formatter='html')