ディスク容量を空けるためpythonで大量の画像ファイルをavifに変換した

import glob
import os

import pillow_avif  # noqa
from PIL import Image
from tqdm import tqdm


def convert_to_avif(file_path):
    with Image.open(file_path) as img:
        img.save(os.path.splitext(file_path)[0] + ".avif", "avif")
    os.remove(file_path)


dir_path = "./outputs"
file_paths = glob.glob(os.path.join(dir_path, "**/*.png"), recursive=True)
if file_paths == []:
    print("No png files found in input directory")
    exit()

print(f"Converting {len(file_paths)} files")
with tqdm(total=len(file_paths)) as progress_bar:
    for file_path in file_paths:
        convert_to_avif(file_path)
        progress_bar.update(1)