Print out the directory tree with indentation from a starting path.

directory_tree.py

# Taken from: http://stackoverflow.com/a/9728478/768671

import os

def list_files(startpath):
    for root, dirs, files in os.walk(startpath):
        level = root.replace(startpath, '').count(os.sep)
        indent = ' ' * 4 * (level)
        print('{}{}/'.format(indent, os.path.basename(root)))
        subindent = ' ' * 4 * (level + 1)
        for f in files:
            print('{}{}'.format(subindent, f))


## SAMPLE OUTPUT ##
# webapp/
#     emailer.py
#     views.py
#     __init__.py
#     auth/
#         user.py
#         users.py
#         __init__.py
#     static/
#         base.css
#         index.js
#         jquery-2.0.3.js
#         jquery.tablesorter.js
#         results.css
#         results.js
#         scrape.css
#         scrape.js
#     templates/
#         base.html
#         demo.html