mirror of
https://github.com/denoland/rusty_v8.git
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137 lines
4.2 KiB
Python
Executable File
137 lines
4.2 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (c) 2012 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""This script is used to download prebuilt gn/ninja binaries."""
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import platform
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import json
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import argparse
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import os
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import sys
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import zipfile
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import tempfile
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import time
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import http.client
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from v8_deps import Var
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from urllib.error import HTTPError, URLError
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from stat import ST_MODE, S_IXOTH, S_IXGRP, S_IXUSR
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from urllib.request import urlopen
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from urllib.parse import urlparse
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def get_platform():
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system = platform.system().lower()
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if system == 'darwin':
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system = 'mac'
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machine = platform.machine().lower()
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if machine == 'x86_64':
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machine = 'amd64'
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return f'{system}-{machine}'
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PLATFORM = get_platform()
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is_windows = PLATFORM.startswith('windows')
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RESOLVE_URL = 'https://chrome-infra-packages.appspot.com/_ah/api/repo/v1/instance/resolve?package_name={}&version={}'
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INSTANCE_URL = 'https://chrome-infra-packages.appspot.com/_ah/api/repo/v1/instance?package_name={}&instance_id={}'
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NINJA_VERSION = Var('ninja_version')
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GN_VERSION = Var('gn_version')
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NINJA_PACKAGE = f'infra/3pp/tools/ninja/{PLATFORM}'
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GN_PACKAGE = f'gn/gn/{PLATFORM}'
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def DownloadUrl(url, output_file):
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"""Download url into output_file."""
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CHUNK_SIZE = 4096
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num_retries = 3
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retry_wait_s = 5 # Doubled at each retry.
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while True:
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try:
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sys.stdout.write('Downloading %s...' % url)
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sys.stdout.flush()
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response = urlopen(url)
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bytes_done = 0
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while True:
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chunk = response.read(CHUNK_SIZE)
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if not chunk:
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break
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output_file.write(chunk)
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bytes_done += len(chunk)
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if bytes_done == 0:
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raise URLError("empty response")
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print(' Done.')
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return
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except URLError as e:
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sys.stdout.write('\n')
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print(e)
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if num_retries == 0 or isinstance(e, HTTPError) and e.code == 404:
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raise e
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num_retries -= 1
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print('Retrying in %d s ...' % retry_wait_s)
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sys.stdout.flush()
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time.sleep(retry_wait_s)
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retry_wait_s *= 2
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def EnsureDirExists(path):
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if not os.path.exists(path):
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os.makedirs(path)
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def DownloadAndUnpack(url, output_dir):
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"""Download an archive from url and extract into output_dir."""
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with tempfile.TemporaryFile() as f:
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DownloadUrl(url, f)
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f.seek(0)
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EnsureDirExists(output_dir)
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with zipfile.ZipFile(f, 'r') as z:
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z.extractall(path=output_dir)
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if not is_windows:
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for info in z.infolist():
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if info.is_dir():
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continue
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file = os.path.join(output_dir, info.filename)
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hi = info.external_attr >> 16
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if hi:
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mode = os.stat(file)[ST_MODE]
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mode |= hi
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os.chmod(file, mode)
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def DownloadCIPD(package, tag, output_dir):
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def get(url):
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parsed = urlparse(url)
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conn = http.client.HTTPSConnection(parsed.netloc)
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conn.request("GET", parsed.path + (f'?{parsed.query}' if parsed.query else ''), headers={"Host": parsed.netloc})
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response = conn.getresponse()
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if response.status != 200:
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raise Exception(f'GET {url} returned {response.status} {response.reason}')
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data = response.read().decode()
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return json.loads(data)
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resolved = get(RESOLVE_URL.format(package, tag))
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instance_id = resolved['instance_id']
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instance = get(INSTANCE_URL.format(package, instance_id))
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DownloadAndUnpack(instance['fetch_url'], output_dir)
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def main():
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parser = argparse.ArgumentParser(description='Download ninja/gn binaries.')
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parser.add_argument('--dir', help='Where to extract the package.')
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args = parser.parse_args()
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output_dir = os.path.abspath(args.dir)
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DownloadCIPD(GN_PACKAGE, GN_VERSION, os.path.join(output_dir, 'gn'))
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DownloadCIPD(NINJA_PACKAGE, NINJA_VERSION, os.path.join(output_dir, 'ninja'))
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if __name__ == '__main__':
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sys.exit(main())
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