#! /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)