Create 2-sided image (color|alpha) out of a RGBA image

gistfile1.py

from PIL import Image
import glob, os

scale = 0.5

for infile in glob.glob( "*.png" ):
    file, ext = os.path.splitext( infile )

    im = Image.open( infile )
    im = im.resize( ( int( im.size[ 0 ] * scale ), int( im.size[ 1 ] * scale ) ) )

    im2 = Image.new( "RGB", ( im.size[ 0 ] * 2, im.size[ 1 ] ) )
    im2.paste( im, ( 0, 0, im.size[ 0 ], im.size[ 1 ] ) )
    im2.paste( im.split()[ 3 ], ( im.size[ 0 ], 0, im.size[ 0 ] * 2, im.size[ 1 ] ) )

    im2.save( file + "_alpha.png", "PNG" )