Function unique

markdown/extensions/toc.py:56–65

Ensure id is unique in set of ids. Append '_1', '_2'... if not

(id: str, ids: MutableSet[str])

def unique(id: str, ids: MutableSet[str]) -> str:
    """ Ensure id is unique in set of ids. Append '_1', '_2'... if not """
    while id in ids or not id:
        m = IDCOUNT_RE.match(id)
        if m:
            id = '%s_%d' % (m.group(1), int(m.group(2))+1)
        else:
            id = '%s_%d' % (id, 1)
    ids.add(id)
    return id


@deprecated('Use `render_inner_html` and `striptags` instead.')