jolietify

By Hal Canary, 2008-06-07 18:11:49 (link)
#computers-code

#!/usr/bin/env python

# jolietify - reduce a filename to 64 chars, preserving
# the suffix.
#
# See http://en.wikipedia.org/wiki/Joliet_(file_system)
# for a justification.  It is recomended that filenames
# be reduced to 64 chars before putting on a CD-ROM.
#
# Copyright 2008 Hal Canary
#
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and
# associated documentation files (the 'Software'), to
# deal in the Software without restriction, including
# without limitation the rights to use, copy, modify,
# merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom
# the Software is furnished to do so, subject to the
# following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial
# portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF
# ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
# LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
# EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import sys
import glob
import os
import os.path

def jolietify(dirfilename):
    (head,fname) = os.path.split(dirfilename)
    if (len(fname) <= 64):
        print "Is good:", dirfilename
        return 1
    splitname=fname.rsplit('.',1)
    if (len(splitname) == 1):
	new=os.path.join(head,splitname[0][0:64])
        print 'rename', dirfilename, new
        os.rename(dirfilename, new)
        return 0
    else:
	new=os.path.join(head,
            splitname[0][0:63-len(splitname[1])]+'.'+splitname[1])
	print 'rename', dirfilename, new
        os.rename(dirfilename, new)
        return 0

if __name__ == "__main__":
    for x in sys.argv[1:]:
       for y in glob.glob(x):
            jolietify(y)

(back)