Reduce quality of `jpg` images and stack on them `png` logos

reduce_and_stack.py

from PIL import Image
import os
import glob


def resize_and_reduce_quality(input_dir, output_dir, max_size, quality):
    if not os.path.exists(output_dir):
        os.makedirs(output_dir)

    for filename in os.listdir(input_dir):
        input_path = os.path.join(input_dir, filename)
        output_path = os.path.join(output_dir, filename)

        if os.path.isdir(input_path):
            continue

        try:
            with Image.open(input_path) as img:
                img.thumbnail(max_size)
                img.save(output_path, quality=quality)

        except Exception as e:
            print(f"Failed to process {filename}: {e}")


def stack_images_on_top(background_image_path, overlay_images_dir, output_image_path):
    OFFSET = 60
    # Open the background image
    background_image = Image.open(background_image_path)

    # Open the overlay images
    counter = 0
    for filename in os.listdir(overlay_images_dir):
        if filename.endswith(".png"):
            overlay_image = Image.open(os.path.join(overlay_images_dir, filename))
            overlay_image.thumbnail((200, 200))

            # Paste the overlay image on top of the background image
            background_image.paste(
                overlay_image, (1200 * counter + OFFSET, 20), overlay_image
            )

            counter += 1

    # Save the resulting stacked image
    background_image.save(output_image_path, quality=100)


def stack_images_in_directory(directory_path, overlay_images_dir, output_directory):
    # Create the output directory if it doesn't exist
    if not os.path.exists(output_directory):
        os.makedirs(output_directory)

    # Loop through all the images in the directory
    for filename in os.listdir(directory_path):
        print(f"Processing {filename}")
        if filename.endswith(".JPG") or filename.endswith(".jpeg"):
            image_path = os.path.join(directory_path, filename)
            output_image_path = os.path.join(output_directory, filename)

            # Stack the overlay image on top of the current image
            stack_images_on_top(image_path, overlay_images_dir, output_image_path)


if __name__ == "__main__":
    main_dir = "./images/"

    for dir_ in os.listdir(main_dir):
        input_dir = os.path.join(main_dir, dir_)

        if not os.path.isdir(input_dir):
            continue

        print(f"In {dir_}")

        overlay_images_dir = "/Users/ammar-imac/Downloads/logos/"
        output_dir = os.path.join(input_dir, "processed")
        output_dir2 = output_dir
        # aspect ratio is preserved
        max_image_size = (1500, 1500)
        image_quality = 85

        resize_and_reduce_quality(input_dir, output_dir, max_image_size, image_quality)

        stack_images_in_directory(output_dir, overlay_images_dir, output_dir2)