twmapfetch.py

print ("Assembling strips...")
for siy in range (0, 10):
    mapstrip = image.new("RGB", (5000, 500))
    for six in range (0, 10):
        mapstrip.paste(image.open("{}{}y{}.png".format(regiondirname, six, siy)), (500*six, 0))
    mapstrip.save("strip{}.png".format(siy))

print ("Assembling full map...")
worldmap = image.new("RGB", (5000, 5000))
for sin in range(0, 10):
    worldmap.paste(image.open("strip{}.png".format(sin)), (0, 500*sin))
worldmap.save("{}.png".format(world))