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1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
borenet
2014/06/23 19:45:31
This is directly copied from https://chromium.goog
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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. | |
rmistry
2014/06/24 17:55:44
Please add a comment here:
This is directly copie
borenet
2014/06/24 18:00:26
Done.
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8 """ | |
9 | |
10 import os | |
11 import sys | |
12 | |
13 | |
14 def directory_really_is_depot_tools(directory): | |
15 return os.path.isfile(os.path.join(directory, 'breakpad.py')) | |
16 | |
17 | |
18 def add_depot_tools_to_path(): | |
19 """Search for depot_tools and add it to sys.path.""" | |
20 # First look if depot_tools is already in PYTHONPATH. | |
21 for i in sys.path: | |
22 if i.rstrip(os.sep).endswith('depot_tools'): | |
23 if directory_really_is_depot_tools(i): | |
24 return i | |
25 | |
26 # Then look if depot_tools is in PATH, common case. | |
27 for i in os.environ['PATH'].split(os.pathsep): | |
28 if i.rstrip(os.sep).endswith('depot_tools'): | |
29 if directory_really_is_depot_tools(i): | |
30 sys.path.insert(0, i.rstrip(os.sep)) | |
31 return i | |
32 # Rare case, it's not even in PATH, look upward up to root. | |
33 root_dir = os.path.dirname(os.path.abspath(__file__)) | |
34 previous_dir = os.path.abspath(__file__) | |
35 while root_dir and root_dir != previous_dir: | |
36 if directory_really_is_depot_tools(os.path.join(root_dir, 'depot_tools')): | |
37 i = os.path.join(root_dir, 'depot_tools') | |
38 sys.path.insert(0, i) | |
39 return i | |
40 previous_dir = root_dir | |
41 root_dir = os.path.dirname(root_dir) | |
42 print >> sys.stderr, 'Failed to find depot_tools' | |
43 return None | |
44 | |
45 add_depot_tools_to_path() | |
46 | |
47 # pylint: disable=W0611 | |
48 import breakpad | |
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