python 实现递归删除文件和文件夹

def removeDir(dirPath):
if not isdir(dirPath):
return
files = listdir(dirPath)
try:
for f in files:
filePath = join(dirPath, f)
if isfile(filePath):
remove(filePath)
elif isdir(filePath):
removeDir(filePath)
rmdir(dirPath)
except Exception, e:
print e