script for resizing images to the appropriate telegram stickers format

resize.py

#!/usr/bin/python
from PIL import Image
import os, sys


basewidth = 512

def resize(path):
    dirs = os.listdir(path)
    for fn in dirs:
        fp = os.path.join(path, fn)
        n, e = os.path.splitext(fn)
        if os.path.isfile(fp):
            try:
                img = Image.open(fp)
            except:
                print('skip', fn)
            else:
                wpercent = (basewidth/float(img.size[0]))
                hsize = int(img.size[1]*wpercent)
                img = img.resize((basewidth,hsize), Image.ANTIALIAS)
                img.save(f'{n}.png', 'PNG')

if __name__ == '__main__':
    resize(sys.argv[1])