#! /usr/bin/env python    # -*- coding: utf-8 -*-    #@author zcwang3@gmail.com    #@version 2010-09-25 14:57      import os    import time      sourceDir = r"\\\\192.168.3.250\\mmtimages"   targetDir = r"D:\\mmtimages"   copyFileCounts = 0     def copyFiles(sourceDir, targetDir):        global copyFileCounts        print sourceDir        print u"%s 当前处理文件夹%s已处理%s 个文件" %(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())), sourceDir,copyFileCounts)        for f in os.listdir(sourceDir):            sourceF = os.path.join(sourceDir, f)            targetF = os.path.join(targetDir, f)              if os.path.isfile(sourceF):                #创建目录                if not os.path.exists(targetDir):                    os.makedirs(targetDir)                copyFileCounts += 1                 #文件不存在，或者存在但是大小不同，覆盖                if not os.path.exists(targetF) or (os.path.exists(targetF) and (os.path.getsize(targetF) != os.path.getsize(sourceF))):                    #2进制文件                    open(targetF, "wb").write(open(sourceF, "rb").read())                    print u"%s %s 复制完毕" %(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())), targetF)                else:                    print u"%s %s 已存在，不重复复制" %(time.strftime('%Y-%m-%d %H:%M:%S',time.localtime(time.time())), targetF)              if os.path.isdir(sourceF):                copyFiles(sourceF, targetF)      if __name__ == "__main__":        try:            import psyco            psyco.profile()        except ImportError:            pass       copyFiles(sourceDir,targetDir)