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77 lines
2.1 KiB
77 lines
2.1 KiB
#!/usr/bin/env python
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# Copyright 2020 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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"""
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This script is used to download YAJSV (yet another json schema validator). It
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runs as a gclient hook.
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"""
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import argparse
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import curlish
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import os
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import stat
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import sys
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RELEASES_DOWNLOAD_URL = 'https://github.com/neilpa/yajsv/releases/download/'
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VERSION = 'v1.4.0'
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YAJSV_FLAVOR_DICT = {
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'linux32': 'yajsv.linux.386',
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'linux64': 'yajsv.linux.amd64',
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'mac64': 'yajsv.darwin.amd64'
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}
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PLATFORM_MAP = {'linux2': 'linux', 'darwin': 'mac'}
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def get_bitness():
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# According to the python docs, this is more reliable than
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# querying platform.architecture().
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if sys.maxsize > 2**32:
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return '64'
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return '32'
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def get_platform():
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return PLATFORM_MAP.get(sys.platform, sys.platform)
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def get_flavor():
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return "{}{}".format(get_platform(), get_bitness())
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def main():
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parser = argparse.ArgumentParser(description='Download a YAJSV release.')
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parser.add_argument('--flavor',
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help='Flavor to download (currently one of {})'.format(
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', '.join(YAJSV_FLAVOR_DICT.keys())))
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args = parser.parse_args()
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flavor = args.flavor
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if not flavor:
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flavor = get_flavor()
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if flavor in YAJSV_FLAVOR_DICT:
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print('flavor not provided, defaulting to ' + flavor)
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if flavor not in YAJSV_FLAVOR_DICT:
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print('could not find an appropriate flavor, "{}" is invalid'.format(
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flavor))
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return 1
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output_path = os.path.abspath(
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os.path.join(os.path.dirname(os.path.relpath(__file__)), 'yajsv'))
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download_url = '{}{}/{}'.format(RELEASES_DOWNLOAD_URL, VERSION,
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YAJSV_FLAVOR_DICT[flavor])
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result = curlish.curlish(download_url, output_path)
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# YAJSV isn't useful if it's not executable.
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if result:
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current_mode = os.stat(output_path).st_mode
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os.chmod(output_path, current_mode | stat.S_IEXEC)
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return 0 if result else 1
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if __name__ == '__main__':
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sys.exit(main())
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