Python Recursively Remove Empty Directories

remove_empty_folders.py

#! /usr/bin/env python
'''
Module to remove empty folders recursively. Can be used as standalone script
or be imported into existing script.
'''

import os
import sys


def removeEmptyFolders(path, removeRoot=True):
  'Function to remove empty folders'
  if not os.path.isdir(path):
    return

  # remove empty subfolders
  files = os.listdir(path)
  if len(files):
    for f in files:
      fullpath = os.path.join(path, f)
      if os.path.isdir(fullpath):
        removeEmptyFolders(fullpath)

  # if folder empty, delete it
  files = os.listdir(path)
  if len(files) == 0 and removeRoot:
    print("Removing empty folder:", path)
    os.rmdir(path)


def usageString():
  'Return usage string to be output in error cases'
  return 'Usage: %s directory [removeRoot]' % sys.argv[0]


if __name__ == "__main__":
  removeRoot = True

  if len(sys.argv) < 1:
    print("Not enough arguments")
    sys.exit(usageString())

  if not os.path.isdir(sys.argv[1]):
    print("No such directory %s" % sys.argv[1])
    sys.exit(usageString())

  if len(sys.argv) == 3 and sys.argv[2] != "False":
    print("removeRoot must be 'False' or not set")
    sys.exit(usageString())
  else:
    removeRoot = False

  removeEmptyFolders(sys.argv[1], removeRoot)

Modified for Python 3