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#!/usr/bin/env python
# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Script to download Clang translation_unit tool from google storage."""
import find_depot_tools
import json
import os
import shutil
import subprocess
import sys
import tarfile
SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
CHROME_SRC = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir))
DEPOT_PATH = find_depot_tools.add_depot_tools_to_path()
GSUTIL_PATH = os.path.join(DEPOT_PATH, 'gsutil.py')
LLVM_BUILD_PATH = os.path.join(CHROME_SRC, 'third_party', 'llvm-build',
'Release+Asserts')
CLANG_UPDATE_PY = os.path.join(CHROME_SRC, 'tools', 'clang', 'scripts',
'update.py')
CLANG_BUCKET = 'gs://chromium-browser-clang'
def main():
clang_revision = subprocess.check_output([sys.executable, CLANG_UPDATE_PY,
'--print-revision']).rstrip()
targz_name = 'translation_unit-%s.tgz' % clang_revision
if sys.platform == 'win32' or sys.platform == 'cygwin':
cds_full_url = CLANG_BUCKET + '/Win/' + targz_name
elif sys.platform == 'darwin':
cds_full_url = CLANG_BUCKET + '/Mac/' + targz_name
else:
assert sys.platform.startswith('linux')
cds_full_url = CLANG_BUCKET + '/Linux_x64/' + targz_name
os.chdir(LLVM_BUILD_PATH)
subprocess.check_call([sys.executable, GSUTIL_PATH,
'cp', cds_full_url, targz_name])
tarfile.open(name=targz_name, mode='r:gz').extractall(path=LLVM_BUILD_PATH)
os.remove(targz_name)
return 0
if __name__ == '__main__':
sys.exit(main())
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