resize_to_fit.py

from sys import argv
import os
from PIL import Image

semester = argv[1]
for image in os.listdir(semester):
    path = os.path.join(semester, image)
    im = Image.open(path)
    print(path, im.size)
    if max(im.size) <= 150:
        continue
    wratio = 150 / max(im.size)
    im = im.convert('RGB')
    im = im.resize((int(wratio * im.size[0]), int(wratio * im.size[1])))
    im.save(path)