python实现本地图片转存并重命名的示例代码

import os
import shutil
//删除之前文件夹并新建空文件夹
shutil.rmtree(r\'E:\\\\all_project\\\\picture\')
os.makedirs(\"E:\\\\all_project\\\\picture\\\\source\\\\\")
os.makedirs(\"E:\\\\all_project\\\\picture\\\\mask\\\\\")
//确定需要获取图片的文件夹编号
# arr=[\"1\",\"2\",\"3\",\"4\",\"5\",\"6\",\"7\",\"8\",\"9\",\"10\",\"11\",\"12\",\"13\",\"14\",\"15\",\"16\",\"17\",\"18\",\"19\",\"20\",\"21\",\"22\"]
arr=[\"1\",\"2\"]
source_num=0
mask_num=0
source_new = 1
mask_new = 1
for i in arr:

 source = \'E:\\\\all_project\\\\\'+i+\'\\\\Detect_0\\\\source\\\\\'
 source_final = \'E:\\\\all_project\\\\picture\\\\source\\\\\'
 source_ls = os.listdir(source)
 print(source_ls)
 mask = \'E:\\\\all_project\\\\\'+i+\'\\\\Detect_0\\\\mask\\\\\'
 mask_final = \'E:\\\\all_project\\\\picture\\\\mask\\\\\'
 mask_ls = os.listdir(mask)
 print(mask_ls)

 source_list = os.listdir(source)
 mask_list = os.listdir(mask)
 source_num += len(source_ls)
 mask_num += len(mask_ls)
 print(source_num)
 print(mask_num)

 old = 1
 while len(os.listdir(source_final)) < source_num:
  oldname = source + str(old) + \".bmp\"
  if os.path.exists(oldname):
   newname = source_final + str(source_new) + \".bmp\"
   shutil.copyfile(oldname, newname)
   source_new += 1
   print(source_new)
   old += 1
  else:
   old += 1

 old = 1
 while len(os.listdir(mask_final)) < mask_num:

  oldname = mask + str(old) + \".bmp\"
  if os.path.exists(oldname):
   newname = mask_final + str(mask_new) + \".bmp\"
   shutil.copyfile(oldname, newname)
   mask_new += 1
   old += 1
  else:
   old += 1