python对文件夹的一些操作

def CopyFolderOs(sFolder,tFolder):      sourcePath = sFolder      destPath = tFolder      for root, dirs, files in os.walk(sourcePath):            #figure out where we're going          dest = destPath + root.replace(sourcePath, '')            #if we're in a directory that doesn't exist in the destination folder          #then create a new folder          if not os.path.isdir(dest):              os.mkdir(dest)              print 'Directory created at: ' + dest            #loop through all files in the directory          for f in files:                #compute current (old) & new file locations              oldLoc = root + '\\' + f              newLoc = dest + '\\' + f                if not os.path.isfile(newLoc):                  try:                      shutil.copy2(oldLoc, newLoc)                      print 'File ' + f + ' copied.'                  except IOError:                      print 'file "' + f + '" already exists'

def RemoveFolderOs(sourceDir,localAppDataPath):      for root, dirs, files in os.walk(sourceDir):          for f in files:              os.unlink(os.path.join(root, f))          for d in dirs:              shutil.rmtree(os.path.join(root, d))