| # Copyright (C) 2018 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. |
| """Helper functions for updaters.""" |
| |
| import os |
| import subprocess |
| import sys |
| |
| |
| def create_updater(metadata, proj_path, updaters): |
| """Creates corresponding updater object for a project. |
| |
| Args: |
| metadata: Parsed proto for METADATA file. |
| proj_path: Absolute path for the project. |
| |
| Returns: |
| An updater object. |
| |
| Raises: |
| ValueError: Occurred when there's no updater for all urls. |
| """ |
| for url in metadata.third_party.url: |
| for updater in updaters: |
| try: |
| return updater(url, proj_path, metadata) |
| except ValueError: |
| pass |
| |
| raise ValueError('No supported URL.') |
| |
| |
| def replace_package(source_dir, target_dir): |
| """Invokes a shell script to prepare and update a project. |
| |
| Args: |
| source_dir: Path to the new downloaded and extracted package. |
| target_dir: The path to the project in Android source tree. |
| """ |
| |
| print('Updating {} using {}.'.format(target_dir, source_dir)) |
| script_path = os.path.join( |
| os.path.dirname( |
| sys.argv[0]), |
| 'update_package.sh') |
| subprocess.check_call(['bash', script_path, source_dir, target_dir]) |