Convert png file to eps file

png2eps.py

"""
This script converts a png(jpg) file in the specified directory to an eps file.

How to use
python3 png2eps.py <png_dir>

required Pillow
"""

from PIL import Image
from argparse import ArgumentParser
import glob
import os


def parse_args():
    parser = ArgumentParser(
        description="This script is convert png file to eps file")
    parser.add_argument('png_dir', help="Target image directory")

    args = parser.parse_args()
    return args.png_dir


def remove_transparency(im, bg_color=(255, 255, 255)):
    if im.mode in ('RGBA', 'LA') or (im.mode == 'P' and 'transparency' in im.info):
        alpha = im.convert('RGBA').split()[-1]

        bg = Image.new("RGBA", im.size, bg_color + (255,))
        bg.paste(im, mask=alpha)
        return bg
    else:
        return im


def convert(png_dir, eps_dir):
    """
    Converts the .png file to .eps file
    """
    img_list = glob.glob(png_dir+"/*.png")
    img_list += glob.glob(png_dir+"/*.jpg")
    
    os.makedirs(eps_dir, exist_ok=True)
    
    for img in img_list:
        im = Image.open(img)
        if im.mode in ('RGBA', 'LA'):
            im = remove_transparency(im)
            im = im.convert('RGB')
        name = os.path.splitext(img)[0].split('\\')[-1]
        im.save(eps_dir + '/' + name + ".eps", lossless=True)


def main():
    png_dir = parse_args()
    eps_dir = png_dir + "/output_eps"
    print(png_dir)
    print("Converting png to eps...")
    convert(png_dir, eps_dir)
    print("Conversion is finishing. \nOutput path is {}".format(eps_dir))



if __name__ == "__main__":
    main()

Nicely done! Would you call this method a form of steganography? ha!