Convert one image to all required sizes for iOS icons and artwork with understandable names

ios-icons.py

#!/usr/bin/env python3

import PIL.Image as Image
import sys

extension = ".png"

def saveImage(image, imageName):
    image.save(imageName + extension)


IconNamePrefix = "Icon"
IconSizes = [(58, 58), (80, 80), (87, 87), (120, 120), (180, 180)];

def convertImageToIcons(image):
    for size in IconSizes:
        convertedImage = image.resize(size, Image.ANTIALIAS)
        saveImage(convertedImage, IconNamePrefix + str(size[0]))


ArtworkNamePrefix = "iTunesArtwork"
ArtworkSizes = [(512, 512), (1024, 1024)];

def convertImageToArtwork(image):
    for size in ArtworkSizes:
        artwork = image.resize(size, Image.ANTIALIAS)
        artworkSuffix = '@2x' if size[0] > 512 else '' #I hate this line
        saveImage(artwork, ArtworkNamePrefix + artworkSuffix)


if __name__ == '__main__':
    imageName = sys.argv[1]
    image = Image.open(imageName)
    convertImageToIcons(image)
    convertImageToArtwork(image)