elif char == ':':
return '_-' if restricted else ' -'
elif char in '\\/|*<>':
- return '-'
+ return '_'
if restricted and (char in '&\'' or char.isspace()):
return '_'
+ if restricted and ord(char) > 127:
+ return '_'
return char
result = u''.join(map(replace_insane, s))
- while '--' in result:
- result = result.replace('--', '-')
- return result.strip('-')
+ while '__' in result:
+ result = result.replace('__', '_')
+ result = result.strip('_')
+ # Common case of "Foreign band name - English song title"
+ if restricted and result.startswith('-_'):
+ result = result[2:]
+ if not result:
+ result = '_'
+ return result
def orderedSet(iterable):
""" Remove all duplicates from the input iterable """