1#!/usr/bin/env python3 2 3# Copyright 2016 Google Inc. 4# 5# Use of this source code is governed by a BSD-style license that can be 6# found in the LICENSE file. 7 8import os 9import platform 10import shutil 11import stat 12import sys 13import tempfile 14import zipfile 15 16from urllib.request import urlopen 17 18os.chdir(os.path.join(os.path.dirname(__file__), os.pardir)) 19 20gnzip = os.path.join(tempfile.mkdtemp(), 'gn.zip') 21with open(gnzip, 'wb') as f: 22 OS = {'darwin': 'mac', 'linux': 'linux', 'linux2': 'linux', 'win32': 'windows'}[sys.platform] 23 cpu = {'aarch64': 'arm64', 'amd64': 'amd64', 'arm64': 'arm64', 'x86_64': 'amd64'}[platform.machine().lower()] 24 25 rev = 'b2afae122eeb6ce09c52d63f67dc53fc517dbdc8' 26 url = 'https://chrome-infra-packages.appspot.com/dl/gn/gn/{}-{}/+/git_revision:{}'.format( 27 OS,cpu,rev) 28 f.write(urlopen(url).read()) 29 30gn_filename = 'gn.exe' if 'win32' in sys.platform else 'gn' 31with zipfile.ZipFile(gnzip, 'r') as f: 32 f.extract(gn_filename, 'bin') 33 34gn_path = os.path.join('bin', gn_filename) 35 36os.chmod(gn_path, 37 stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR | 38 stat.S_IRGRP | stat.S_IXGRP | 39 stat.S_IROTH | stat.S_IXOTH ) 40 41# We'll also copy to a path that depot_tools' GN wrapper will expect to find the binary. 42depot_tools_gn_dir = os.path.join('third_party', 'gn') 43os.makedirs(depot_tools_gn_dir, exist_ok=True) 44shutil.copy(gn_path, os.path.join(depot_tools_gn_dir, gn_filename)) 45