1*c8dee2aaSAndroid Build Coastguard Worker#!/usr/bin/env python3 2*c8dee2aaSAndroid Build Coastguard Worker 3*c8dee2aaSAndroid Build Coastguard Worker# Copyright 2016 Google Inc. 4*c8dee2aaSAndroid Build Coastguard Worker# 5*c8dee2aaSAndroid Build Coastguard Worker# Use of this source code is governed by a BSD-style license that can be 6*c8dee2aaSAndroid Build Coastguard Worker# found in the LICENSE file. 7*c8dee2aaSAndroid Build Coastguard Worker 8*c8dee2aaSAndroid Build Coastguard Workerimport os 9*c8dee2aaSAndroid Build Coastguard Workerimport platform 10*c8dee2aaSAndroid Build Coastguard Workerimport shutil 11*c8dee2aaSAndroid Build Coastguard Workerimport stat 12*c8dee2aaSAndroid Build Coastguard Workerimport sys 13*c8dee2aaSAndroid Build Coastguard Workerimport tempfile 14*c8dee2aaSAndroid Build Coastguard Workerimport zipfile 15*c8dee2aaSAndroid Build Coastguard Worker 16*c8dee2aaSAndroid Build Coastguard Workerfrom urllib.request import urlopen 17*c8dee2aaSAndroid Build Coastguard Worker 18*c8dee2aaSAndroid Build Coastguard Workeros.chdir(os.path.join(os.path.dirname(__file__), os.pardir)) 19*c8dee2aaSAndroid Build Coastguard Worker 20*c8dee2aaSAndroid Build Coastguard Workergnzip = os.path.join(tempfile.mkdtemp(), 'gn.zip') 21*c8dee2aaSAndroid Build Coastguard Workerwith open(gnzip, 'wb') as f: 22*c8dee2aaSAndroid Build Coastguard Worker OS = {'darwin': 'mac', 'linux': 'linux', 'linux2': 'linux', 'win32': 'windows'}[sys.platform] 23*c8dee2aaSAndroid Build Coastguard Worker cpu = {'aarch64': 'arm64', 'amd64': 'amd64', 'arm64': 'arm64', 'x86_64': 'amd64'}[platform.machine().lower()] 24*c8dee2aaSAndroid Build Coastguard Worker 25*c8dee2aaSAndroid Build Coastguard Worker rev = 'b2afae122eeb6ce09c52d63f67dc53fc517dbdc8' 26*c8dee2aaSAndroid Build Coastguard Worker url = 'https://chrome-infra-packages.appspot.com/dl/gn/gn/{}-{}/+/git_revision:{}'.format( 27*c8dee2aaSAndroid Build Coastguard Worker OS,cpu,rev) 28*c8dee2aaSAndroid Build Coastguard Worker f.write(urlopen(url).read()) 29*c8dee2aaSAndroid Build Coastguard Worker 30*c8dee2aaSAndroid Build Coastguard Workergn = 'gn.exe' if 'win32' in sys.platform else 'gn' 31*c8dee2aaSAndroid Build Coastguard Workerwith zipfile.ZipFile(gnzip, 'r') as f: 32*c8dee2aaSAndroid Build Coastguard Worker f.extract(gn, 'bin') 33*c8dee2aaSAndroid Build Coastguard Worker 34*c8dee2aaSAndroid Build Coastguard Workergn = os.path.join('bin', gn) 35*c8dee2aaSAndroid Build Coastguard Worker 36*c8dee2aaSAndroid Build Coastguard Workeros.chmod(gn, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR | 37*c8dee2aaSAndroid Build Coastguard Worker stat.S_IRGRP | stat.S_IXGRP | 38*c8dee2aaSAndroid Build Coastguard Worker stat.S_IROTH | stat.S_IXOTH ) 39*c8dee2aaSAndroid Build Coastguard Worker 40*c8dee2aaSAndroid Build Coastguard Worker# We'll also copy to a path that depot_tools' GN wrapper will expect to find the binary. 41*c8dee2aaSAndroid Build Coastguard Workercopy_path = 'buildtools/linux64/gn' if 'linux' in sys.platform else \ 42*c8dee2aaSAndroid Build Coastguard Worker 'buildtools/mac/gn' if 'darwin' in sys.platform else \ 43*c8dee2aaSAndroid Build Coastguard Worker 'buildtools/win/gn.exe' 44*c8dee2aaSAndroid Build Coastguard Workerif os.path.isdir(os.path.dirname(copy_path)): 45*c8dee2aaSAndroid Build Coastguard Worker shutil.copy(gn, copy_path) 46