Reduce image quality

img_quality_reducer.py

import cv2
import os
from tqdm import tqdm

ipdir = 'Camera'
opdir = 'CamLow'
out_quality = 70
fmt = ('.jpg', '.jpeg', '.png')

for f in tqdm([_f for _f in os.listdir(ipdir) if _f.endswith(fmt)]):
    img = cv2.imread(os.path.join(ipdir, f))
    try:
        cv2.imwrite(os.path.join(opdir, f), img, [int(cv2.IMWRITE_JPEG_QUALITY), out_quality])
    except:
        raise RuntimeError(f)