plistから画像抽出するものの改良版 http://stackoverflow.com/questions/6086615/how-can-i-extract-png-images-from-plist-files

unpack_plist.py

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


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():
        print "-----start\n----------"
        rectlist = to_list(v['frame'])
        print rectlist, "--------rectlist"
        width = int(rectlist[3] if v['rotated'] else rectlist[2])
        height = int(rectlist[2] if v['rotated'] else rectlist[3])
        print width, height, "----width,height"
        box = (
            int(rectlist[0]),
            int(rectlist[1]),
            int(rectlist[0]) + width,
            int(rectlist[1]) + height,
        )
        # bos is start & end point
        print box, "-----_box-"
        print v['rotated'], "---rotated"

        sizelist = [int(x) for x in to_list(v['sourceSize'])]
        rect_on_big = big_image.crop(box)
        '''
        result_image = Image.new('RGBA', sizelist, (0,0,0,0))
        result_box=(
            ( sizelist[0] - width )/2,
            ( sizelist[1] - height )/2,
            ( sizelist[0] + width )/2,
            ( sizelist[1] + height )/2
            )
        result_image.paste(rect_on_big, result_box, mask=0)
        if v['rotated']:
            result_image = result_image.rotate(90)
        if not os.path.isdir(file_path):
            os.mkdir(file_path)
        outfile = (file_path+'/' + k).replace('gift_', '')
        print result_box,"-----result_box-"
        print outfile, "generated"
        # result_image.save(outfile)
        '''

        if v['rotated']:
            rect_on_big = rect_on_big.rotate(90)
        if not os.path.isdir(file_path):
            os.mkdir(file_path)
        outfile = (file_path + '/' + k).replace('gift_', '')
        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)
    else:
        print "make sure you have boith plist and \
            png files in the same directory"