Cyrillic to Latin File Changer

cyrillic2latin_file_renamer.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

from os import walk, rename, mkdir
from os.path import isdir, exists
from sys import argv, exit, getfilesystemencoding

conversion = {
    u'А': u'A',
    u'Б': u'B',
    u'В': u'V',
    u'Г': u'G',
    u'Д': u'D',
    u'Е': u'E',
    u'Ё': u'E',
    u'Ж': u'Zh',
    u'З': u'Z',
    u'И': u'I',
    u'Й': u'Y',
    u'К': u'K',
    u'Л': u'L',
    u'М': u'M',
    u'Н': u'N',
    u'О': u'O',
    u'П': u'P',
    u'Р': u'R',
    u'С': u'S',
    u'Т': u'T',
    u'У': u'U',
    u'Ф': u'F',
    u'Х': u'H',
    u'Ц': u'Ts',
    u'Ч': u'Ch',
    u'Ш': u'Sh',
    u'Щ': u'Sch',
    u'Ъ': u'',
    u'Ы': u'Y',
    u'Ь': u'',
    u'Э': u'E',
    u'Ю': u'Ju',
    u'Я': u'Ja',
    u'а': u'a',
    U'б': u'b',
    u'в': u'v',
    u'г': u'g',
    u'д': u'd',
    u'е': u'e',
    u'ё': u'e',
    u'ж': u'zh',
    u'з': u'z',
    u'и': u'i',
    u'й': u'y',
    u'к': u'k',
    u'л': u'l',
    u'м': u'm',
    u'н': u'n',
    u'о': u'o',
    u'п': u'p',
    u'р': u'r',
    u'с': u's',
    u'т': u't',
    u'у': u'u',
    u'ф': u'f',
    u'х': u'h',
    u'ц': u'ts',
    u'ч': u'ch',
    u'ш': u'sh',
    u'щ': u'sch',
    u'ъ': u'',
    u'ы': u'y',
    u'ь': u'',
    u'э': u'e',
    u'ю': u'ju',
    u'я': u'ja',
    u' ' : '-',
}

def cyr2lat(s):
    retval = ""
    for c in s:
	if ord(c) > 128: 
		try: 
			c = conversion[c]
		except KeyError: 
			c=''
	elif c == ' ':
		c = '-'
        retval += c
    return retval
    
if len(argv) == 1:
    print "Usage: %s <dirs>" % argv[0]
    exit(-1)

processed = []

def recursive_walk(dir):
    # See http://docs.activestate.com/activepython/2.5/whatsnew/2.3/node6.html
    found = []
    dir = unicode(dir)
    for finfo in walk(dir, True):
        dirnames = finfo[1]
        fnames = finfo[2]
        for subdir in dirnames:
            subdir = "%s/%s" % (dir, subdir)
            if subdir in processed:
                continue
            for yield_val in recursive_walk(subdir):
                yield yield_val
        for fname in fnames:
            yield '%s/%s' % (dir, fname)
    raise StopIteration

if __name__ == "__main__":
    fs_enc = getfilesystemencoding()
    for dir in argv[1:]:
        for fpath in recursive_walk(dir):
            new_fpath = cyr2lat(fpath)
	    print 'new path %s' % new_fpath
            print fpath.encode('utf-8')
            # First make dirs
            path_elts = new_fpath.split('/')
            for idx in range(len(path_elts))[1:]:
                subpath = '/'.join(path_elts[:idx])
                while True:
                    i = 0
                    if exists(subpath):
                        if not isdir(subpath):
                            print '%s exists but is not a directory, will try again' % subpath
                            subpath += str(i)
                            continue
                        else:
                            path_elts[idx - 1] = subpath.split('/')[-1]
                            break
                    else:
                        print 'Creating directory: %s' % subpath
                        mkdir(subpath)
                        break
            print 'Renaming %s to %s' % (fpath, new_fpath)
            rename(fpath, new_fpath)

Music /usr/local/bin/cyr2lat-filename.sh /home/tony/Music
new path /home/tony/Music/()/-/16..mp3
/home/tony/Music/()/__-/16..mp3
Creating directory:
Traceback (most recent call last):
File "/usr/local/bin/cyr2lat-filename.sh", line 137, in
mkdir(subpath)
OSError: [Errno 2] No such file or directory: ''