python实现遍历文件夹图片并重命名

# -*- coding:utf8 -*-
 
import os
 
class BatchRename():
 '''
 批量重命名文件夹中的图片文件
 '''
 def __init__(self):
 self.path = 'C:/Users/lenovo/Desktop/label5/3'
 
 def rename(self):
 filelist = os.listdir(self.path)
 total_num = len(filelist)
 i = 1
 for item in filelist:
 if item.endswith('.jpg'):
 src = os.path.join(os.path.abspath(self.path), item)
 dst = os.path.join(os.path.abspath(self.path), '02'+ str(i) + '.jpg')
 try:
  os.rename(src, dst)
  print 'converting %s to %s ...' % (src, dst)
  group = 0
 except:
  continue
 if item.endswith('.xml'):
 src = os.path.join(os.path.abspath(self.path), item)
 dst = os.path.join(os.path.abspath(self.path), '02'+ str(i) + '.xml')
 try:
  os.rename(src, dst)
  print 'converting %s to %s ...' % (src, dst)
  group = 1
  
 except:
  continue
 if group:
 i = i + 1
 print 'total %d to rename & converted %d jpgs' % (total_num, i)
 
if __name__ == '__main__':
 demo = BatchRename()
 demo.rename()

# -*- coding:utf8 -*-
import os
path = 'SegmentationClassRaw/'
filelist = os.listdir(path)
for item in filelist:
 #print('item name is ',item)
 if item.endswith('.png'):
 name = item.split('.',3)[0] + '.' + item.split('.',3)[1]
 src = os.path.join(os.path.abspath(path),item)
 dst = os.path.join(os.path.abspath(path),name + '.png')
 try:
 os.rename(src,dst)
 print('rename from %s to %s'%(src,dst))
 except:
 continue