python os文件处理大全

import os
input_dir = "D:/dataset_2020/dataset2020_jpg"
input_img_paths =(
    [
        os.path.join(input_dir, fname)
        for fname in os.listdir(input_dir)
        if fname.endswith(".jpg")
    ]
)
print(len(input_img_paths))
print(input_img_paths)

from pathlib import Path
data_dir=Path("D:/dataset_2020/dataset2020_jpg/")
print(data_dir)
images = sorted(list(map(str, list(data_dir.glob("*.jpg")))))
print(images)
labels = [img.split(os.path.sep)[-1].split(".png")[0] for img in images]
print(labels)