| #!/usr/bin/env python |
| # Copyright (c) 2017 The WebRTC project authors. All Rights Reserved. |
| # |
| # Use of this source code is governed by a BSD-style license |
| # that can be found in the LICENSE file in the root of the source |
| # tree. An additional intellectual property rights grant can be found |
| # in the file PATENTS. All contributing project authors may |
| # be found in the AUTHORS file in the root of the source tree. |
| |
| """Downloads the golang SDK from WebRTC storage and unpacks it. |
| |
| Requires that depot_tools is installed and in the PATH. |
| |
| The precondition is that a directory 'golang' lives in the same directory |
| as the script. |
| This 'golang' directory has the following structure: |
| |
| /golang |
| | |
| |-----/linux/go.tar.gz.sha1 |
| |-----/win/go.zip.sha1 |
| |-----/mac/go.tar.gz.sha1 |
| """ |
| |
| import os |
| import sys |
| |
| import utils |
| |
| |
| SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__)) |
| |
| |
| def _GetGoArchivePathForPlatform(): |
| archive_extension = 'zip' if utils.GetPlatform() == 'win' else 'tar.gz' |
| return os.path.join(utils.GetPlatform(), 'go.%s' % archive_extension) |
| |
| |
| def main(argv): |
| if len(argv) == 1: |
| return 'Usage: %s <output_dir>' % argv[0] |
| |
| output_dir = os.path.join(argv[1]) |
| golang_path = os.path.join(SCRIPT_DIR, 'golang') |
| archive_path = os.path.join(golang_path, _GetGoArchivePathForPlatform()) |
| old_archive_sha1 = utils.ComputeSHA1(archive_path) |
| |
| utils.DownloadFilesFromGoogleStorage(golang_path) |
| |
| if (old_archive_sha1 != utils.ComputeSHA1(archive_path) |
| or not os.path.exists('go')): |
| utils.RemoveDirectory(os.path.join(output_dir, 'go')) |
| utils.UnpackArchiveTo(archive_path, output_dir) |
| |
| |
| if __name__ == '__main__': |
| sys.exit(main(sys.argv)) |