from PIL import Image import sys imagename = sys.argv[1] image = Image.open(imagename) image = image.convert('RGBA') w = image.size[0] - 1 h = image.size[1] - 1 for i in range(5): image.putpixel( (0, i), (0, 0, 0, 0)) image.putpixel( (0, h-i), (0, 0, 0, 0)) image.putpixel( (w, i), (0, 0, 0, 0)) image.putpixel( (w, h-i), (0, 0, 0, 0)) for i in range(3): image.putpixel( (1, i), (0, 0, 0, 0)) image.putpixel( (1, h-i), (0, 0, 0, 0)) image.putpixel( (w-1, i), (0, 0, 0, 0)) image.putpixel( (w-1, h-i), (0, 0, 0, 0)) for i in range(2): image.putpixel( (2, i), (0, 0, 0, 0)) image.putpixel( (2, h-i), (0, 0, 0, 0)) image.putpixel( (w-2, i), (0, 0, 0, 0)) image.putpixel( (w-2, h-i), (0, 0, 0, 0)) image.putpixel( (3, 0), (0, 0, 0, 0)) image.putpixel( (3, h), (0, 0, 0, 0)) image.putpixel( (w-3, 0), (0, 0, 0, 0)) image.putpixel( (w-3, h), (0, 0, 0, 0)) image.putpixel( (4, 0), (0, 0, 0, 0)) image.putpixel( (4, h), (0, 0, 0, 0)) image.putpixel( (w-4, 0), (0, 0, 0, 0)) image.putpixel( (w-4, h), (0, 0, 0, 0)) image.save(imagename)