Unicode Slugify is a slugifier that generates unicode slugs. It was originally used in the Firefox Add-ons web site to generate slugs for add-ons and add-on collections. Many of these add-ons and collections had unicode characters and required more than simple transliteration.
>>> import slugify
>>> slugify.slugify(u'Bän...g (bang)')
u'bäng-bang'
>>> slugify.slugify(u'Bäuma means a tree', only_ascii=True)
u'bauma-means-a-tree'
>>> slugify(u'Bakıcı geldi', only_ascii=True)
u'bakici-geldi'
Tomaz Solc, unidecode, https://pypi.python.org/pypi/Unidecode