#!/usr/bin/env python
 
#
# PIL Image Module Handbook - http://www.pythonware.com/library/pil/handbook/image.htm
#
 
from PIL import Image
from optparse import OptionParser
 
def processImageAverage(imageFile):
    image = Image.open(imageFile)     #open the image for processing
    pixels = list(image.getdata())    #break the image down into a list of pixels, each pixel contains a list of red,green,blue
 
    totalpx = 0 #set some default values to start counting...
    redpx = 0
    greenpx = 0
    bluepx = 0
 
    for pixel in pixels:    #loop through the lists and build the values.
        totalpx += 1
        redpx += pixel[0]
        greenpx += pixel[1]
        bluepx += pixel[2]
 
    redavg = redpx / totalpx   #generate the averages
    greenavg = greenpx / totalpx
    blueavg = bluepx / totalpx
 
    print "\nTotal Pixels:\t", totalpx     #and write them out.
    print "Red Average:\t", redavg
    print "Green Average:\t", greenavg
    print "Blue Average:\t", blueavg
    print "HEX Color:\t#%x%x%x" % (redavg, greenavg, blueavg)
 
def main():
    parser = OptionParser("Usage: %prog source")
 
    (options, arguments) = parser.parse_args()
    if len(arguments) != 1:
        parser.error("Please specify a single input file.")
 
    processImageAverage(arguments[0])
 
if __name__ == "__main__":
    main()