Slugify in Python 3

slugify.py

import re
from unicodedata import normalize

_punctuation_re = re.compile(r'[\t !"#$%&\'()*\-/<=>?@\[\\\]^_`{|},.]+')

def slugify(text, delim='-'):
    """
    Generate an ASCII-only slug.
    """

    result = []
    for word in _punctuation_re.split(text.lower()):
        word = normalize('NFKD', word) \
               .encode('ascii', 'ignore') \
               .decode('utf-8')

        if word:
            result.append(word)

    return delim.join(result)