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实际效果:假设给定目录"/media/data/programmer/project/python" ,备份路径"/home/diegoyun/backup/“ , 则会将python目录下的文件按照全路经备份到备份路径下,形如:
/home/diegoyun/backup/yyyymmddHHMMSS/python/xxx/yyy/zzz..... 复制代码 代码如下: import os import shutil import datetime
def mainLogic(): #add dirs you want to copy backdir="I:backup" copydirs=[] copydirs.append("D:programmer") copydirs.append("D:diegoyun")
print "Copying files ===================" start=datetime.datetime.now()
#gen a data folder for backup backdir=os.path.join(backdir,start.strftime("%Y-%m-%d")) #print "backdir is:"+backdir
kc=0 for d in copydirs: kc=kc+copyFiles(d,backdir)
end=datetime.datetime.now() print "Finished! ===================" print "Total files : " + str(kc) print "Elapsed time : " + str((end-start).seconds)+" seconds"
def copyFiles(copydir,backdir): prefix=getPathPrefix(copydir) #print "prefix is:"+prefix
i=0 for dirpath,dirnames,filenames in os.walk(copydir): for name in filenames: oldpath=os.path.join(dirpath,name) newpath=omitPrefix(dirpath,prefix) print "backdir is:"+backdir newpath=os.path.join(backdir,newpath) print "newpath is:"+newpath
if os.path.exists(newpath)!=True: os.makedirs(newpath) newpath=os.path.join(newpath,name) print "From:"+oldpath+" to:"+newpath shutil.copyfile(oldpath,newpath) i=i+1 return i
def getPathPrefix(fullpath): #Giving /media/data/programmer/project/ , get the prefix #/media/data/programmer/ l=fullpath.split(os.path.sep) #print str(l[-1]=="") if l[-1]=="": tmp=l[-2] else: tmp=l[-1] return fullpath[0:len(fullpath)-len(tmp)-1]
def omitPrefix(fullpath,prefix): #Giving /media/data/programmer/project/python/tutotial/file/test.py , #and prefix is Giving /media/data/programmer/project/, #return path as python/tutotial/file/test.py return fullpath[len(prefix)+1:]
mainLogic()
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