Sort images based on ratio for printing

sort.py

import os
import sys
import shutil
from PIL import Image

os.makedirs( '3_2' , exist_ok = True )
os.makedirs( '4_3' , exist_ok = True )
os.makedirs( 'unk' , exist_ok = True )

for i , src in enumerate( sys.argv[1:] , 1 ) :

    im = Image.open(src)
    hi, lo = max(im.size), min(im.size)

    ratio = hi / lo

    x = int( round( ratio * 6 ) )

    basename = os.path.basename(src)

    if x == 8 :
        dst = '4_3/4_3_{i}_{basename}'.format( i = i , basename = basename )

    elif x == 9 :
        dst = '3_2/3_2_{i}_{basename}'.format( i = i , basename = basename )

    else:
        dst = 'unk/unk_{i}_{basename}'.format( i = i , basename = basename )

    print( 'copying {src} with ratio {ratio} to {dst}'.format( src=src,ratio=ratio,dst=dst))
    shutil.copy( src , dst )