给文件夹中的文件重命名

# -*- encoding:utf-8 -*-
from PIL import Image
import os.path
import glob
import shutil
import os

f1 = open('boxandlabel2.txt', 'r')
f2 = open('changenameboxandlabel4.txt', 'a')
imgdir = '../newdata/'
newdir = '../selectnewdata/'
line1 = f1.readlines()
i = 1
n = 6
for line in line1:
    splitline = line.split()
    file_name = splitline[1]
    labelname = splitline[0]
    boxname = splitline[3]
    (filepath, tempfilename) = os.path.split(file_name)#img/Sheer_Sequin_Tank  +    img_00000022.jpg
    sorce = os.path.join(newdir, filepath)#../newdata/img/Sheer_Sequin_Tank 
    #detina=os.path.join(newdir, filepath)
    if tempfilename.endswith('.jpg'):
        n = 6 - len(str(i))
        src = os.path.join(os.path.abspath(sorce), tempfilename)
        dst = os.path.join(os.path.abspath(sorce), str(0) * n + str(i) + '.jpg')
        spp = str(0) * n + str(i) + '.jpg'

        newline = labelname + ' ' + spp + ' ' + splitline[2] + ' ' + splitline[3] + ' ' + splitline[4] + ' ' + \
                  splitline[5] + '\n'
        f2.write(newline)
        os.rename(src, dst)
        i+=1
        

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