制作数据集（VOC2007)中，批量修改图片JPEGImages文件夹的文件名字

import os


class BatchRename:
    """
    批量重命名文件夹中的图片文件
    """

    def __init__(self):
        # 我的图片文件夹路径horse
        self.path = '/home/ghz/fast-rcnn/data/VOCdevkit/VOC2007/horse'

    def rename(self):
        filelist = os.listdir(self.path)
        total_num = len(filelist)
        i = 1
        n = 6
        for item in filelist:
            if item.endswith('.jpg'):
                n = 6 - len(str(i))
                src = os.path.join(os.path.abspath(self.path), item)
                dst = os.path.join(os.path.abspath(self.path), str(0) * n + str(i) + '.jpg')
                try:
                    os.rename(src, dst)
                    print('converting %s to %s ...' % (src, dst))
                    i = i + 1
                except:
                    continue
        print('total %d to rename & converted %d jpgs' % (total_num, i))


if __name__ == '__main__':
    demo = BatchRename()
    demo.rename()