1 import os
2 import cv2
3 class GeneDataset():
4 def __init__(self,rootdir):
5 self.rootdir = rootdir
6 self.subdirs = []
7 def looksubdir(self):
8 list_dirs = os.walk(self.rootdir)
9 for root, dirs, files in list_dirs:
10 for d in dirs:
11 self.subdirs.append(os.path.join(root, d))
12 print("subdir =", os.path.join(root, d))
13 def reformat(self):14 for subdir in self.subdirs:
15 list_dirs = os.walk(subdir)
16 for root, dirs, files in list_dirs:
17 for f in files:
18 srcname = os.path.join(root, f)
19 print('srcname', srcname)
20 srcformat = srcname.split('.')[-1]
21 if srcformat is not '.jpg':
22 img = cv2.imread(srcname)
23 newname = srcname.replace(srcformat, 'jpg')
24 print('newname=', newname)
25 cv2.imwrite(newname, img)
26 os.remove(srcname)
27 path = r'E:\data\pic'
28 myclassdataset = GeneDataset(path)
29 myclassdataset.looksubdir()
30 myclassdataset.reformat()
python更改图片后缀名为jpg格式的相关教程结束。
