|  | #!/usr/bin/env python | 
|  | # Copyright 2020 The Cobalt Authors. 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. | 
|  | """Downloads tools to assist in developing Cobalt.""" | 
|  |  | 
|  | import logging | 
|  | import os | 
|  | import platform | 
|  |  | 
|  | import tools.download_from_gcs as download_from_gcs | 
|  |  | 
|  | try: | 
|  | import download_resources_internal | 
|  | except ImportError: | 
|  | logging.warning('Skipping internal tools.') | 
|  | download_resources_internal = None | 
|  |  | 
|  |  | 
|  | def DownloadClangFormat(force=False): | 
|  | clang_format_sha_path = os.path.join('buildtools', '{}', 'clang-format') | 
|  |  | 
|  | system = platform.system() | 
|  | if system == 'Linux': | 
|  | clang_format_sha_path = clang_format_sha_path.format('linux64') | 
|  | elif system == 'Darwin': | 
|  | clang_format_sha_path = clang_format_sha_path.format('mac') | 
|  | elif system == 'Windows': | 
|  | clang_format_sha_path = clang_format_sha_path.format('win') + '.exe' | 
|  | else: | 
|  | logging.error('Unknown system: %s', system) | 
|  | return | 
|  |  | 
|  | download_from_gcs.MaybeDownloadFileFromGcs('chromium-clang-format', | 
|  | clang_format_sha_path + '.sha1', | 
|  | clang_format_sha_path, force) | 
|  |  | 
|  |  | 
|  | if __name__ == '__main__': | 
|  | logging_format = '[%(levelname)s:%(filename)s:%(lineno)s] %(message)s' | 
|  | logging.basicConfig( | 
|  | level=logging.INFO, format=logging_format, datefmt='%H:%M:%S') | 
|  |  | 
|  | DownloadClangFormat() | 
|  |  | 
|  | if download_resources_internal: | 
|  | download_resources_internal.main() |