tools_webrtc/download_tools.py

#!/usr/bin/env python
# Copyright (c) 2016 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 precompiled tools.

These are checked into the repository as SHA-1 hashes (see *.sha1 files in
subdirectories). Note that chrome-webrtc-resources is a Google-internal bucket,
so please download and compile these tools manually if this script fails.
"""

import os
import sys

SCRIPT_DIR = os.path.dirname(os.path.abspath(__file__))
SRC_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir))
sys.path.append(os.path.join(SRC_DIR, 'build'))

import find_depot_tools
find_depot_tools.add_depot_tools_to_path()
import gclient_utils
import subprocess2


def main(directories):
    if not directories:
        directories = [SCRIPT_DIR]

    for path in directories:
        cmd = [
            sys.executable,
            os.path.join(find_depot_tools.DEPOT_TOOLS_PATH,
                         'download_from_google_storage.py'),
            '--directory',
            '--num_threads=10',
            '--bucket',
            'chrome-webrtc-resources',
            '--auto_platform',
            '--recursive',
            path,
        ]
        print 'Downloading precompiled tools...'

        # Perform download similar to how gclient hooks execute.
        try:
            gclient_utils.CheckCallAndFilter(cmd,
                                             cwd=SRC_DIR,
                                             always_show_header=True)
        except (gclient_utils.Error, subprocess2.CalledProcessError) as e:
            print 'Error: %s' % str(e)
            return 2
        return 0


if __name__ == '__main__':
    sys.exit(main(sys.argv[1:]))