| #!/usr/bin/env python |
| # Copyright (c) 2011 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. |
| """Small utility function to find depot_tools and add it to the python path. |
| |
| Will throw an ImportError exception if depot_tools can't be found since it |
| imports breakpad. |
| |
| This can also be used as a standalone script to print out the depot_tools |
| directory location. |
| """ |
| |
| import os |
| import sys |
| |
| |
| # Path to //src |
| SRC = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir)) |
| |
| |
| def IsRealDepotTools(path): |
| expanded_path = os.path.expanduser(path) |
| return os.path.isfile(os.path.join(expanded_path, 'gclient.py')) |
| |
| |
| def add_depot_tools_to_path(): |
| """Search for depot_tools and add it to sys.path.""" |
| # First, check if we have a DEPS'd in "depot_tools". |
| deps_depot_tools = os.path.join(SRC, 'third_party', 'depot_tools') |
| if IsRealDepotTools(deps_depot_tools): |
| sys.path.append(deps_depot_tools) |
| return deps_depot_tools |
| |
| # Then look if depot_tools is already in PYTHONPATH. |
| for i in sys.path: |
| if i.rstrip(os.sep).endswith('depot_tools') and IsRealDepotTools(i): |
| return i |
| # Then look if depot_tools is in PATH, common case. |
| for i in os.environ['PATH'].split(os.pathsep): |
| if IsRealDepotTools(i): |
| sys.path.append(i.rstrip(os.sep)) |
| return i |
| # Rare case, it's not even in PATH, look upward up to root. |
| root_dir = os.path.dirname(os.path.abspath(__file__)) |
| previous_dir = os.path.abspath(__file__) |
| while root_dir and root_dir != previous_dir: |
| i = os.path.join(root_dir, 'depot_tools') |
| if IsRealDepotTools(i): |
| sys.path.append(i) |
| return i |
| previous_dir = root_dir |
| root_dir = os.path.dirname(root_dir) |
| print >> sys.stderr, 'Failed to find depot_tools' |
| return None |
| |
| DEPOT_TOOLS_PATH = add_depot_tools_to_path() |
| |
| # pylint: disable=W0611 |
| import breakpad |
| |
| |
| def main(): |
| if DEPOT_TOOLS_PATH is None: |
| return 1 |
| print DEPOT_TOOLS_PATH |
| return 0 |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main()) |