Transform MPO stereoscopic images into SBS parallel

mpo2sbs.py

#!/usr/bin/env python3

import sys
from PIL import Image

for p in sys.argv[1:]:
    path_in = p
    path_out = path_in.replace('.mpo', '.sbs.jpg')

    imr = Image.open(path_in)
    imr.seek(1)
    iml = Image.open(path_in)
    im = Image.new("RGB", (iml.size[0]+imr.size[0], max(iml.size[1], imr.size[1])))
    im.paste(iml, (0, 0))
    im.paste(imr, (iml.size[0], 0))
    im.save(path_out)