A script to create a gradient list out of an image.

color_extract.py

#
# author: Niko Abeler (H4kor)
# website: libove.org
# licence: beer-licence
#

import sys
import Image

if len(sys.argv) != 2:
    print ""
    print "Usage: python " + str(sys.argv[0]) + " [image]"
    print "[image] = relative path to an image"

    print "Hint: The image has to be at least 256 pixels wide."
    print "      Only the first 256 pixels will be used to create a gradient"
    print ""
else:
    img = Image.open(sys.argv[1])
    l = []
    for i in range(256):
        l.append(img.getpixel((i,0)))

    print l