| # |
| # Copyright 2016 Google Inc. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| # |
| """Utility to prepend the top-level source directory to sys.path. |
| |
| Since this may be used outside of gclient or git environment (such as part of a |
| tarball), the path to the root must be hardcoded. |
| """ |
| |
| import os |
| import sys |
| |
| |
| def _GetSrcRoot(): |
| """Finds the first directory named 'src' that this module is in.""" |
| current_path = os.path.normpath(__file__) |
| while not (os.path.basename(current_path) == 'src'): |
| next_path = os.path.dirname(current_path) |
| if next_path == current_path: |
| raise RuntimeError('Could not find src directory.') |
| current_path = next_path |
| return os.path.abspath(current_path) |
| |
| sys.path.insert(0, _GetSrcRoot()) |