How to use the clldutils.misc.slug function in clldutils

else:
                changed = True
                ref = Ref(name='%s %s' % (kw.get('author', 'na'), kw.get('year', 'nd')), **kw)

            ref.description = ref.title or ref.booktitle
            originator = ref.author or ref.editor or 'Anonymous'
            ref.name = '%s %s' % (originator, ref.year or 'n.d.')

            a, r = update_relationship(
                ref.macroareas,
                [macroarea_map[name] for name in
                 set(filter(None, [s.strip() for s in kw['jsondata'].get('macro_area', '').split(',')]))])
            changed = changed or a or r

            src = [s.strip() for s in kw['jsondata'].get('src', '').split(',')]
            prv = {provider_map[slug(s)] for s in src if s}
            if set(ref.providers) != prv:
                ref.providers = list(prv)
                changed = True

            a, r = update_relationship(
                ref.doctypes,
                [doctype_map[m.group('name')] for m in
                 DOCTYPE_PATTERN.finditer(kw['jsondata'].get('hhtype', ''))])
            changed = changed or a or r

            if not update:
                stats.update(['new'])
                DBSession.add(ref)
            elif changed:
                stats.update(['updated'])

def words(s):
        return set(slug(s.strip(), remove_whitespace=False).split())

def words(s):
        return set(slug(s.strip(), remove_whitespace=False).split())

def slug(s, escape=False, **kw):
    # That's some weird stuff coming in with ElCat alternative names ...
    return misc.slug(''.join(hex(ord(c)) if escape else c for c in s if ord(c) != 2), **kw)

# add components
    ds.add_component('LanguageTable')
    ds.add_component('ParameterTable', 'Concepticon_ID')
    ds.add_component('CognateTable')
    ds.add_columns('FormTable', 'form_in_source')

    languages, parameters, forms, cognates = {}, {}, [], []
    for idx in wordlist:
        lid = slug(wordlist[idx, 'doculect'])
        if lid not in languages:
            languages[lid] = dict(
                    ID=lid,
                    Name=wordlist[idx, 'doculect'],
                    Glottocode = wordlist[idx, 'glottocode'])

        pid = wordlist[idx, 'concepticon_id'] or slug(wordlist[idx, 'concept'])
        if pid not in parameters:
            parameters[pid] = dict(
                ID=pid,
                Name=wordlist[idx, 'concept'],
                Concepticon_ID=wordlist[idx, 'concepticon_id'])

        forms.append(dict(
            ID=str(idx),
            Language_ID=lid,
            Parameter_ID=pid,
            form_in_source=wordlist[idx, form_in_source] or '' if form_in_source else '',
            Form=wordlist[idx, form] or '' if form else '',
            Segments=wordlist[idx, segments] or '' if segments else '',
            Source=[wordlist[idx, source]] or [] if source else [],
            Comment=wordlist[idx, note] or '' if note else ''))

def adapter_factory(*args, **kw):
    # for backwards compatibility we interpret the first positional argument as template:
    if args:
        kw['template'] = args[0]
    assert 'template' in kw
    kw.setdefault('mimetype', 'text/html')
    kw.setdefault('extension', 'html')
    base = kw.pop('base', Representation)
    return type(str('AdapterFromFactory%s' % slug(str(uuid4()))), (base,), kw)