Mobile Icon Cutter

mobile-icon-cutter.py

#!/usr/bin/env python

import os
import sys
import errno
from PIL import Image

try:
    filename = sys.argv[1]
    im = Image.open(filename)

    icons = """
    resources/ios/icon/icon.png,57
    resources/ios/icon/icon@2x.png,114
    resources/ios/icon/icon-40.png,40
    resources/ios/icon/icon-40@2x.png,80
    resources/ios/icon/icon-50.png,50
    resources/ios/icon/icon-50@2x.png,100
    resources/ios/icon/icon-60.png,60
    resources/ios/icon/icon-60@2x.png,120
    resources/ios/icon/icon-60@3x.png,180
    resources/ios/icon/icon-72.png,72
    resources/ios/icon/icon-72@2x.png,144
    resources/ios/icon/icon-76.png,76
    resources/ios/icon/icon-76@2x.png,152
    resources/ios/icon/icon-small.png,29
    resources/ios/icon/icon-small@2x.png,58
    resources/ios/icon/icon-small@3x.png,87
    resources/android/icon/drawable-ldpi-icon.png,36
    resources/android/icon/drawable-mdpi-icon.png,48
    resources/android/icon/drawable-hdpi-icon.png,72
    resources/android/icon/drawable-xhdpi-icon.png,96
    resources/android/icon/drawable-xxhdpi-icon.png,144
    resources/android/icon/drawable-xxxhdpi-icon.png,192
    resources/android/play-store-icon.png,512
    """

    for icon_line in icons.split('\n'):
        icon_line = icon_line.strip()
        if not icon_line:
            continue

        icon, size = icon_line.split(',')
        size = int(size)
        path = os.path.dirname(icon)
        icon_filename = os.path.basename(icon)

        try:
            os.makedirs(path)
        except OSError as exc:
            if exc.errno == errno.EEXIST and os.path.isdir(path):
                pass
            else:
                raise

        im2 = im.resize((size, size), Image.BILINEAR)
        im2.save(icon)

except IndexError:
    print "Usage: %s <image filename>" % sys.argv[0]

except IOError:
    print "Error: %s does not exist" % filename