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"""defines the method for building slugs
slugification may be disabled with a live setting "USE_ASCII_ONLY_SLUGS"
the setting was added just in case - if people actually
want to see unicode characters in the slug. If this is the choice
slug will be simply equal to the input text
"""
from unidecode import unidecode
from django.template import defaultfilters
from django.conf import settings
import re
def slugify(input_text, max_length=50):
"""custom slugify function that
removes diacritic modifiers from the characters
"""
if getattr(settings, 'ALLOW_UNICODE_SLUGS', False) == False:
if input_text == '':
return input_text
slug = defaultfilters.slugify(unidecode(input_text))
while len(slug) > max_length:
# try to shorten word by word until len(slug) <= max_length
temp = slug[:slug.rfind('-')]
if len(temp) > 0:
slug = temp
else:
#we have nothing left, do not apply the last crop,
#apply the cut-off directly
slug = slug[:max_length]
break
return slug
else:
return re.sub(r'\s+', '-', input_text.strip().lower())
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