Unpacker png from TexturePacker

gistfile1.txt

#! /usr/lical/bin/python
import os,sys
from xml.etree import ElementTree
from PIL import Image

def tree_to_dict(tree):
    d = {}
    for index, item in enumerate(tree):
        if item.tag == 'key':
            if tree[index+1].tag == 'string':
                d[item.text] = tree[index + 1].text
            elif tree[index + 1].tag == 'true':
                d[item.text] = True
            elif tree[index + 1].tag == 'false':
                d[item.text] = False
            elif tree[index+1].tag == 'dict':
                d[item.text] = tree_to_dict(tree[index+1])
    return d

def gen_png_from_plist(plist_filename, png_filename):
    file_path = plist_filename.replace('.plist', '')
    big_image = Image.open(png_filename)
    root = ElementTree.fromstring(open(plist_filename, 'r').read())
    plist_dict = tree_to_dict(root[0])
    to_list = lambda x: x.replace('{','').replace('}','').split(',')
    for k,v in plist_dict['frames'].items():

        rectlist = to_list(v['frame'])

        width = int( rectlist[3])
        height = int( rectlist[2])

        box=( 
            int(rectlist[0]),
            int(rectlist[1]),
            int(rectlist[0]) + width,
            int(rectlist[1]) + height,
            )
        # bos is start & end point

        sizelist = [ int(x) for x in to_list(v['sourceSize'])]
        rect_on_big = big_image.crop(box)

        if not os.path.isdir(file_path):
            os.mkdir(file_path)
        outfile = (file_path+'/' + k).replace('gift_', '')
        if not outfile.lower().endswith('.png'):   #PIL fails if no extension
            outfile += ".png";

        rect_on_big.save(outfile);

if __name__ == '__main__':
    filename = sys.argv[1]
plist_filename = filename + '.plist'
png_filename = filename + '.png'
if (os.path.exists(plist_filename) and os.path.exists(png_filename)):
    gen_png_from_plist( plist_filename, png_filename )