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 = 'gn.exe' if 'win32' in sys.platform else 'gn' 31with zipfile.ZipFile(gnzip, 'r') as f: 32 f.extract(gn, 'bin') 33 34gn = os.path.join('bin', gn) 35 36os.chmod(gn, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR | 37 stat.S_IRGRP | stat.S_IXGRP | 38 stat.S_IROTH | stat.S_IXOTH ) 39 40# We'll also copy to a path that depot_tools' GN wrapper will expect to find the binary. 41copy_path = 'buildtools/linux64/gn' if 'linux' in sys.platform else \ 42 'buildtools/mac/gn' if 'darwin' in sys.platform else \ 43 'buildtools/win/gn.exe' 44if os.path.isdir(os.path.dirname(copy_path)): 45 shutil.copy(gn, copy_path) 46