import os import simplejson images = [] path = '../../build/' for dirname, dirnames, filenames in os.walk(path + 'png'): for filename in filenames: if filename[:1] != '.': images.append(os.path.join(dirname.replace(path, ''), filename)) f = open(path + 'json/ox.ui.images.json', 'w') f.write(simplejson.dumps(images)) f.close()