Translate django url strings by slugs

ugeturl.py

from __future__ import absolute_import, division, print_function, unicode_literals

import re

from django.utils import six
from django.utils.functional import lazy, SimpleLazyObject
from django.utils.translation import ugettext


URL_SLUG_RE = SimpleLazyObject(lambda: re.compile(r'^[a-zA-Z0-9\-]+$'))
URL_DELIMS_RE = SimpleLazyObject(lambda: re.compile(r'(\^?)(?<=\^|/)?(?P<slug>[a-zA-Z0-9\-]+)(?=/|$)'))


def ugeturl(url):
    return ''.join(ugettext(part) if part and URL_SLUG_RE.match(part) else part for part in URL_DELIMS_RE.split(url))


ugeturl_lazy = lazy(ugeturl, six.text_type)