1 # Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 # Use of this source code is governed by a BSD-style license that can be 3 # found in the LICENSE file. 4 """Small utility function to find depot_tools and add it to the python path. 5 6 Will throw an ImportError exception if depot_tools can't be found since it 7 imports breakpad. 8 """ 9 10 import os 11 import sys 12 13 def add_depot_tools_to_path(): 14 """Search for depot_tools and add it to sys.path.""" 15 # First look if depot_tools is already in PYTHONPATH. 16 for i in sys.path: 17 if i.rstrip(os.sep).endswith('depot_tools'): 18 return i 19 # Then look if depot_tools is in PATH, common case. 20 for i in os.environ['PATH'].split(os.pathsep): 21 if i.rstrip(os.sep).endswith('depot_tools'): 22 sys.path.append(i.rstrip(os.sep)) 23 return i 24 # Rare case, it's not even in PATH, look upward up to root. 25 root_dir = os.path.dirname(os.path.abspath(__file__)) 26 previous_dir = os.path.abspath(__file__) 27 while root_dir and root_dir != previous_dir: 28 if os.path.isfile(os.path.join(root_dir, 'depot_tools', 'breakpad.py')): 29 i = os.path.join(root_dir, 'depot_tools') 30 sys.path.append(i) 31 return i 32 previous_dir = root_dir 33 root_dir = os.path.dirname(root_dir) 34 print >> sys.stderr, 'Failed to find depot_tools' 35 return None 36 37 add_depot_tools_to_path() 38 39 # pylint: disable=W0611 40 import breakpad 41
