1 """

     2 Some small file related utilities

     3 """

     4 

     5 import unicodedata

     6 import string

     7 

     8 validFilenameChars = "-_.() %s%s" % (string.ascii_letters, string.digits)

     9 

    10 

    11 def sanitize_filename(filename):

    12     cleanedFilename = unicodedata.normalize('NFKD', filename).encode('ASCII', 'ignore').lower()

    13     return ''.join(c for c in cleanedFilename if c in validFilenameChars).replace(' ','_')

    14