python 文件操作

#!/usr/bin/env python
#coding=utf-8
import os
import re
import shutil
#修改目录下文件名
def TestRename(Dir):
    for files in os.listdir("d:\work"):
        if files =='tester.log':
            filePath = os.path.join( Dir, files )
            print filePath
            os.rename(os.path.join('d:\\work',files), os.path.join('d:\\work','1.log'))
#删除目录下所有文件
def CleanDir( Dir ):
    if os.path.isdir( Dir ):
        paths = os.listdir( Dir )
        for path in paths:
            filePath = os.path.join( Dir, path )
            if os.path.isfile( filePath ):
                try:
                    os.remove( filePath )
                except os.error:
                    autoRun.exception( "remove %s error." %filePath )#引入logging
            elif os.path.isdir( filePath ):
                if filePath[-4:].lower() == ".svn".lower():
                    continue
                shutil.rmtree(filePath,True)
    return True
#正则删除文件
def grem(path, pattern):
        pattern = re.compile(pattern)
        for each in os.listdir(path):
                if pattern.search(each):
                        name = os.path.join(path, each)
                        try: os.remove(name)
                        except:
                                grem(name, '')
                                os.rmdir(name)
#正则删除文件夹中子文件夹中的文件                                
def DelFileAll(Dir,pattern):
    tem=os.walk(Dir)
    pattern = re.compile(pattern)
    for i,j,k in tem:
        for n in k:
            if pattern.search(n):
                name = i+os.sep+n
                try: os.remove(name)
                except:
                        grem(name,'')
                        os.rmdir(name)
#复制文件 
def copyfiles(Dir):
    tem=os.walk(Dir)
    for i,j,k in tem:
        for n in k:
            name = i+os.sep+n
            print name
            shutil.copyfile(name,name+'_2.gif')
            shutil.copyfile(name,name+'_3.gif')
if __name__ == '__main__':
    copyfiles('D:\work')
    #grem('D:\work\romantic','_[0-9]+.gif')
    print 'ok'