crop_images.py

#!/usr/bin/env python3

import sys
import os
from PIL import Image

LRCROP = 600

def process(fpath):
  im = Image.open(fpath)
  crop_box = (LRCROP, 0, im.width-LRCROP, im.height - 1)
  check_l = (0, 0, LRCROP, im.height / 3)
  check_r = (im.width - LRCROP, 0, im.width - 1, im.height / 3)
  colors_l = im.crop(check_l).getcolors()
  colors_r = im.crop(check_r).getcolors()
  if not colors_l or not colors_r:
    print(f'Unable to check crop [{LRCROP}]: {fpath}') #, L check colors={colors_l}, R check colors={colors_r}')
    return
  if len(colors_l) != 1 or len(colors_r) != 1:
    print(f'Unable to crop [{LRCROP}]: {fpath}') #, L check colors={colors_l}, R check colors={colors_r}')
    return
  im2 = im.crop(crop_box)
  im2.save(fpath)

def main():
  if len(sys.argv) < 2:
    exit(f'Usage: {sys.argv[0]} FOLDER')

  folder = sys.argv[1]

  for root, dirs, files in os.walk(folder):
    for name in files:
      fpath = os.path.join(root, name)
      if not fpath.endswith('.jpg'):
        continue
      process(fpath)

if __name__ == '__main__':
  main()