python实现树形打印目录结构

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#a test for traverse directory

__author__ = 'AlbertS'

import os
import os.path

def dfs_showdir(path, depth):
 if depth == 0:
 print("root:[" + path + "]")

 for item in os.listdir(path):
 if '.git' not in item:
  print("| " * depth + "+--" + item)

  newitem = path +'/'+ item
  if os.path.isdir(newitem):
  dfs_showdir(newitem, depth +1)

if __name__ == '__main__':
 dfs_showdir('.', 0)

root:[.]
+--1111.segmentfault.com
| +--01decode.py
| +--01string.txt
| +--1111.segmentfault.com.tar.gz
+--urllib_test.py
+--use_module.py
+--water_deal
| +--water_pouring2.py
+--web
| +--module_test.py
| +--__init__.py
| +--__pycache__
| | +--module_test.cpython-34.pyc
| | +--__init__.cpython-34.pyc
+--web_crawler
| +--bg_teaser.svg
| +--crawler_images
| | +--10393478-1.jpg
| | +--13802226-1.jpg
| | +--169b1b76356f636.jpg
| | +--1a774de56fb4bf2.jpg
| | +--small_event_dft.jpg
| | +--ypy_qr.jpg
| +--crawler_image_test.py
| +--crawler_test.py
| +--crawler_website
| | +--crawler_article_set
| | | +--aiohttp.html
| | | +--asyncio.html
| | | +--async_await.html
| | | +--base64.html