process-images-multiprocessing.py

# https://youtu.be/fKl2JW_qrso?si=eKlsoKSAgjYUVQ39

import time
import concurrent.futures
from PIL import Image, ImageFilter

img_names = []  # list of images with path

t1 = time.perf_counter()

size = (1200, 1200)


def process_image(img_name):
    img = Image.open(img_name)

    img = img.filter(ImageFilter.GaussianBlur(15))

    img.thumbnail(size)
    img.save(f'processed/{img_name}')
    print(f'{img_name} was processed...')


with concurrent.futures.ProcessPoolExecutor() as executor:
    executor.map(process_image, img_names)


t2 = time.perf_counter()

print(f'Finished in {t2-t1} seconds')