pillow-resizer/resize.py

#!/usr/bin/env python
import os, sys
from PIL import Image
from PIL import ImageEnhance
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("--width", dest="width", type=int, required=True)
parser.add_argument("--height", dest="height", type=int, required=True)
parser.add_argument("source", type=str)
parser.add_argument("destination", type=str)
args = parser.parse_args()

size = args.width, args.height
infile = args.source
outfile = args.destination
try:
    im = Image.open(infile)
    im = im.convert()
    im.thumbnail(size, Image.ANTIALIAS)
    im_result = Image.new('RGB', (args.width, args.height), (255, 255, 255))
    im_result.paste(im, ((args.width - im.size[0]) / 2, (args.height - im.size[1]) / 2))
    enhancer = ImageEnhance.Contrast(im_result)
    im_result = enhancer.enhance(1.05)
    im_result.save(outfile, "JPEG", quality=100)
except IOError:
    print("cannot create thumbnail for '%s'" % infile)