| # Copyright (C) 2021 The Android Open Source Project |
| # |
| # 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. |
| |
| import os |
| |
| |
| def repo_root(): |
| """ Finds the repo root by traversing up the hierarchy |
| |
| This is for use in scripts that get amalgamated, where _file_ can be either |
| python/perfetto/... or tools/amalgamated_tool. |
| """ |
| path = os.path.dirname(os.path.abspath(__file__)) # amalgamator:nocheck |
| last_dir = '' |
| while path and path != last_dir: |
| if os.path.exists(os.path.join(path, 'perfetto.rc')): |
| return path |
| last_dir = path |
| path = os.path.dirname(path) |
| return None |
| |
| |
| def repo_dir(rel_path): |
| return os.path.join(repo_root() or '', rel_path) |
