| #!/usr/bin/env python |
| # |
| # Copyright (C) 2017 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. |
| # |
| """Utility functions for VNDK snapshot.""" |
| |
| import os |
| import sys |
| |
| |
| def get_android_build_top(): |
| ANDROID_BUILD_TOP = os.getenv('ANDROID_BUILD_TOP') |
| if not ANDROID_BUILD_TOP: |
| print('Error: Missing ANDROID_BUILD_TOP env variable. Please run ' |
| '\'. build/envsetup.sh; lunch <build target>\'. Exiting script.') |
| sys.exit(1) |
| return ANDROID_BUILD_TOP |
| |
| |
| def join_realpath(root, *args): |
| return os.path.realpath(os.path.join(root, *args)) |
| |
| |
| def _get_dir_from_env(env_var, default): |
| return os.path.realpath(os.getenv(env_var, default)) |
| |
| |
| def get_out_dir(android_build_top): |
| return _get_dir_from_env('OUT_DIR', join_realpath(android_build_top, |
| 'out')) |
| |
| |
| def get_dist_dir(out_dir): |
| return _get_dir_from_env('DIST_DIR', join_realpath(out_dir, 'dist')) |
| |
| |
| def arch_from_path(path): |
| """Extracts arch from given VNDK snapshot path. |
| |
| Args: |
| path: string, path relative to prebuilts/vndk/v{version} |
| |
| Returns: |
| arch string, (e.g., "arm" or "arm64" or "x86" or "x86_64") |
| """ |
| return path.split('/')[0].split('-')[1] |
| |
| |
| def find(path, names): |
| """Returns a list of files in a directory that match the given names. |
| |
| Args: |
| path: string, absolute path of directory from which to find files |
| names: list of strings, names of the files to find |
| """ |
| found = [] |
| for root, _, files in os.walk(path): |
| for file_name in sorted(files): |
| if file_name in names: |
| abspath = os.path.abspath(os.path.join(root, file_name)) |
| rel_to_root = abspath.replace(os.path.abspath(path), '') |
| found.append(rel_to_root[1:]) # strip leading / |
| return found |