GetTogether/events/utils.py

22 lines
597 B
Python
Raw Normal View History

import re
import unicodedata
SLUG_OK = '-_~'
def slugify(s, ok=SLUG_OK, lower=True, spaces=False):
# L and N signify letter/number.
# http://www.unicode.org/reports/tr44/tr44-4.html#GC_Values_Table
rv = []
s = re.sub('\s*&\s*', ' and ', s)
for c in unicodedata.normalize('NFKC', s):
cat = unicodedata.category(c)[0]
if cat in 'LN' or c in ok:
rv.append(c)
if cat == 'Z': # space
rv.append(' ')
new = ''.join(rv).strip()
if not spaces:
new = re.sub('[-\s]+', '-', new)
return new.lower() if lower else new