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| 1 #!/usr/bin/env python |
| 2 # Copyright 2016 PDFium Authors. All rights reserved. |
| 3 # Use of this source code is governed by a BSD-style license that can be |
| 4 # found in the LICENSE file. |
| 5 """Small utility function to find depot_tools and add it to the python path. |
| 6 |
| 7 Will throw an ImportError exception if depot_tools can't be found since it |
| 8 imports breakpad. |
| 9 |
| 10 This can also be used as a standalone script to print out the depot_tools |
| 11 directory location. |
| 12 """ |
| 13 |
| 14 import os |
| 15 import sys |
| 16 |
| 17 |
| 18 def IsRealDepotTools(path): |
| 19 return os.path.isfile(os.path.join(path, 'gclient.py')) |
| 20 |
| 21 |
| 22 def add_depot_tools_to_path(): |
| 23 """Search for depot_tools and add it to sys.path.""" |
| 24 # First look if depot_tools is already in PYTHONPATH. |
| 25 for i in sys.path: |
| 26 if i.rstrip(os.sep).endswith('depot_tools') and IsRealDepotTools(i): |
| 27 return i |
| 28 # Then look if depot_tools is in PATH, common case. |
| 29 for i in os.environ['PATH'].split(os.pathsep): |
| 30 if IsRealDepotTools(i): |
| 31 sys.path.append(i.rstrip(os.sep)) |
| 32 return i |
| 33 # Rare case, it's not even in PATH, look upward up to root. |
| 34 root_dir = os.path.dirname(os.path.abspath(__file__)) |
| 35 previous_dir = os.path.abspath(__file__) |
| 36 while root_dir and root_dir != previous_dir: |
| 37 i = os.path.join(root_dir, 'depot_tools') |
| 38 if IsRealDepotTools(i): |
| 39 sys.path.append(i) |
| 40 return i |
| 41 previous_dir = root_dir |
| 42 root_dir = os.path.dirname(root_dir) |
| 43 print >> sys.stderr, 'Failed to find depot_tools' |
| 44 return None |
| 45 |
| 46 DEPOT_TOOLS_PATH = add_depot_tools_to_path() |
| 47 |
| 48 # pylint: disable=W0611 |
| 49 import breakpad |
| 50 |
| 51 |
| 52 def main(): |
| 53 if DEPOT_TOOLS_PATH is None: |
| 54 return 1 |
| 55 print DEPOT_TOOLS_PATH |
| 56 return 0 |
| 57 |
| 58 |
| 59 if __name__ == '__main__': |
| 60 sys.exit(main()) |
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