Resize all images in a directory

resize.py

import sys
import os
from PIL import Image

resize_to = 384

target_dir = sys.argv[1]

for file in os.listdir(target_dir):
    full_path = os.path.join(target_dir, file)
    try:
        im = Image.open(full_path)
    except:
        continue
    
    if im.width > im.height:
        new_size = (resize_to, int(resize_to * (im.height/im.width)))
    else:
        new_size = (int(resize_to * (im.width/im.height)), resize_to)

    im_resized = im.resize(new_size)
    im_resized.save(full_path)