Rename subtitle files with respekt to movie filenames.

reset.py

#!python
# coding: utf-8
"""Rename subtitle files with respekt to movie filenames.

   $ python reset.py "Movies*.mkv" "Subtitles*.srt"

   The quotation marks are important to prohibit shell expanse of the filenames
   mask. It is expected, that the files will be sorted in the same right order.
"""

import os
import sys
import glob

assert len(sys.argv) == 3

MOVIES = sorted(glob.glob(sys.argv[1]))
SUBTIT = sorted(glob.glob(sys.argv[2]))

assert len(MOVIES) == len(SUBTIT)

for mov, sub in zip(MOVIES, SUBTIT):
    new = mov[:-3] + sub[-3:]
    os.rename(sub, new)
    print("{}\t==>\t{}".format(sub, new))