Create a square image. Requires PIL (or pillow)

imageholder.py

#!/usr/bin/env python
"""Create a square image. Usage:

$ imageholder.py filename size color

"""


import sys

from PIL import Image


def main():
    if len(sys.argv) != 4:
        usage()
        sys.exit()
    filename, size, color = sys.argv[1:]
    size = int(size)
    make_image_holder(filename, size, color)


def usage():
    print(__doc__)


def make_image_holder(filename, size, color):
    img = Image.new('RGBA', (size, size), color=color)
    img.save(filename)


if __name__ == '__main__':
    main()