用python给文件夹下所有图片进行缩放处理

prollerweg

#! /usr/bin/env python
# -*- coding: UTF-8 -*-
#@author zcwang3@gmail.com
#@version 2010-10-20 15:47
#图片处理模块（缩放）
import BaseUtil
import os
import Image
srcImgFolder = srcImgFolder = r"D:\javaResize"
def resizeFold(dir_proc):
for file in os.listdir(dir_proc):
fullFile = os.path.join(dir_proc, file)
if os.path.isdir(fullFile):
resizeFold(fullFile)
continue
#带有下划线的目标图片不需要处理
if fullFile.find("_") != -1:
continue
#正常图片
srcImgFullFileName = fullFile
BaseUtil.outputInfoMessage("INFO:process file %s" %(os.path.join(dir_proc, file)))
#处理文件
if os.path.isfile(srcImgFullFileName):
folderPath = srcImgFullFileName[:srcImgFullFileName.rfind(os.sep)]
fileName = srcImgFullFileName[srcImgFullFileName.rfind("\\")+1:]
img = Image.open(srcImgFullFileName)
#            img.show()
width,height = img.size
targetWidthArray = (100,120,240,400,640)
for targetWidth in targetWidthArray:
targetImg = img.resize(
(targetWidth, targetWidth * height / width),
Image.ANTIALIAS
)
newFileName = fileName.split(".")[0] + "_" + str(targetWidth) + "." + fileName.split(".")[1]
targetImg.save(folderPath + os.sep + newFileName, 'jpeg')
if __name__ == "__main__":
resizeFold(srcImgFolder)