def convert_filename(value):
 if NORMALIZE_FILENAME:
  chunks = value.split(os.extsep)
  normalized = []
  for v in chunks:
   v = unicodedata.normalize('NFKD', six.text_type(v)).encode('ascii', 'ignore').decode('ascii')
   v = re.sub('[^\\w\\s-]', '', v).strip()
   normalized.append(v)
  if (len(normalized) > 1):
   value = '.'.join(normalized)
  else:
   value = normalized[0]
 if CONVERT_FILENAME:
  value = value.replace(' ', '_').lower()
 return value

def convert_filename ( value ) : if NORMALIZE_FILENAME : chunks = value . split ( os . extsep ) normalized = [ ] for v in chunks : v = unicodedata . normalize ( 'NFKD' , six . text_type ( v ) ) . encode ( 'ascii' , 'ignore' ) . decode ( 'ascii' ) v = re . sub ( '[^\\w\\s-]' , '' , v ) . strip ( ) normalized . append ( v ) if ( len ( normalized ) > 1 ) : value = '.' . join ( normalized ) else : value = normalized [ 0 ] if CONVERT_FILENAME : value = value . replace ( ' ' , '_' ) . lower ( ) return value
convert filename .