1#!/usr/bin/python
2
3"""
4Copyright 2014 Google Inc.
5
6Use of this source code is governed by a BSD-style license that can be
7found in the LICENSE file.
8
9Adds possibly-needed directories to PYTHONPATH, if they aren't already there.
10"""
11
12import os
13import sys
14
15TRUNK_DIRECTORY = os.path.abspath(os.path.join(
16    os.path.dirname(__file__), os.pardir, os.pardir))
17for subdir in ['common', 'gm', 'tools']:
18  fullpath = os.path.join(TRUNK_DIRECTORY, subdir)
19  if fullpath not in sys.path:
20    sys.path.append(fullpath)
21