| #!/usr/bin/env python | 
 | # Copyright (c) 2014 The Chromium Authors. All rights reserved. | 
 | # Use of this source code is governed by a BSD-style license that can be | 
 | # found in the LICENSE file. | 
 |  | 
 |  | 
 | """Add the checkout root to sys.path, provide mechanisms for adding others.""" | 
 |  | 
 |  | 
 | import os | 
 | import sys | 
 |  | 
 |  | 
 | CHECKOUT_ROOT = os.path.realpath(os.path.join( | 
 |     os.path.dirname(os.path.abspath(__file__)), os.pardir)) | 
 |  | 
 |  | 
 | def add_to_pythonpath(path): | 
 |   """Add the given directory to PYTHONPATH.""" | 
 |   sys.path.append(path) | 
 |  | 
 |  | 
 | add_to_pythonpath(CHECKOUT_ROOT) | 
 |  |