ImagesSprite.py

#!/usr/bin/python
# Edited by Hussein Bakri - 1) Edits transform it from Python 2 to Python 3
#							2) Make it work with PNG Image file format
# This work is licensed under the Creative Commons Attribution 3.0 United 
# States License. To view a copy of this license, visit 
# http://creativecommons.org/licenses/by/3.0/us/ or send a letter to Creative
# Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA.

# from http://oranlooney.com/make-css-sprites-python-image-library/ 
# Orignial Author Oran Looney <olooney@gmail.com>

#mods by Josh Gourneau <josh@gourneau.com> to make one big horizontal sprite JPG with no spaces between images
import os
from PIL import Image
#import Image
import glob

#get your images using glob
iconMap = glob.glob("*.png")
#just take the even ones
#iconMap = iconMap[::2]

print (len(iconMap))

images = [Image.open(filename) for filename in iconMap]

print ("%d images will be combined." % len(images))

image_width, image_height = images[0].size

print ("all images assumed to be %d by %d." % (image_width, image_height))

master_width = (image_width * len(images) ) 
#seperate each image with lots of whitespace
master_height = image_height
print ("the master image will by %d by %d" % (master_width, master_height))
print ("creating image...")
master = Image.new(
    mode='RGBA',
    size=(master_width, master_height),
    color=(0,0,0,0))  # fully transparent

print ("created.")

for count, image in enumerate(images):
    location = image_width*count
    print ("adding %s at %d..." % (iconMap[count][1], location),
    master.paste(image,(location,0)))
    print ("added.")
print ("done adding icons.")

print ("saving img-sprite.png...",
master.save('img-sprite.png'))
print ("saved!")