| #!/usr/bin/env python |
| # Copyright 2019 The Pigweed Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| """Installs or updates prebuilt tools. |
| |
| Must be tested with Python 2 and Python 3. |
| """ |
| |
| from __future__ import print_function |
| |
| import argparse |
| import os |
| import subprocess |
| import sys |
| import tempfile |
| |
| |
| def parse(argv=None): |
| """Parse arguments.""" |
| |
| script_root = os.path.abspath(os.path.dirname(__file__)) |
| |
| parser = argparse.ArgumentParser(description=__doc__.splitlines()[0]) |
| parser.add_argument('--install-dir', |
| default=os.path.join(script_root, 'tools')) |
| parser.add_argument('--ensure-file', |
| default=os.path.join(script_root, 'ensure_file')) |
| parser.add_argument('--cipd', default=os.path.join(script_root, 'cipd.py')) |
| parser.add_argument('--suppress-shell-commands', |
| action='store_false', |
| dest='print_shell_commands') |
| |
| return parser.parse_args(argv) |
| |
| |
| def check_auth(cipd, print_shell_commands): |
| """Check logged into CIPD.""" |
| try: |
| subprocess.check_output([cipd, 'auth-info'], stderr=subprocess.STDOUT) |
| return True |
| |
| except subprocess.CalledProcessError: |
| print('=' * 60, file=sys.stderr) |
| print('ERROR: not logged into CIPD--please run this command:') |
| print(cipd, 'auth-login`', file=sys.stderr) |
| print('=' * 60, file=sys.stderr) |
| |
| if print_shell_commands: |
| with tempfile.NamedTemporaryFile(mode='w', |
| delete=False, |
| prefix='cipdsetup') as temp: |
| print('ABORT_PW_ENVSETUP=1', file=temp) |
| |
| print('. {}'.format(temp.name)) |
| return False |
| |
| |
| def update(argv=None): |
| """Grab the tools listed in ensure_file.""" |
| |
| args = parse(argv) |
| |
| os.environ['CIPD_PY_INSTALL_DIR'] = args.install_dir |
| |
| if not check_auth(args.cipd, args.print_shell_commands): |
| return |
| |
| cmd = [ |
| args.cipd, |
| 'ensure', |
| '-ensure-file', args.ensure_file, |
| '-root', args.install_dir, |
| '-log-level', 'warning', |
| ] # yapf: disable |
| |
| if not os.path.isdir(args.install_dir): |
| os.makedirs(args.install_dir) |
| subprocess.check_call(cmd, stdout=sys.stderr) |
| |
| paths = [ |
| args.install_dir, |
| os.path.join(args.install_dir, 'bin'), |
| ] |
| |
| for path in paths: |
| print('adding {} to path'.format(path), file=sys.stderr) |
| |
| paths.append(os.environ['PATH']) |
| |
| if args.print_shell_commands: |
| with tempfile.NamedTemporaryFile(mode='w', |
| delete=False, |
| prefix='cipdsetup') as temp: |
| print('PATH="{}"'.format(os.pathsep.join(paths)), file=temp) |
| print('export PATH', file=temp) |
| print('CIPD_INSTALL_DIR="{}"'.format(args.install_dir), file=temp) |
| print('export CIPD_INSTALL_DIR', file=temp) |
| |
| print('. {}'.format(temp.name)) |
| |
| |
| if __name__ == '__main__': |
| update() |
| sys.exit(0) |