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76 lines
2.4 KiB
76 lines
2.4 KiB
# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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""" Wrapper to invoke compiled build tools from the build system.
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This is just a workaround for GN assuming that all external scripts are
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python sources. It is used to invoke tools like the protoc compiler.
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"""
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from __future__ import print_function
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import argparse
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import os
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import subprocess
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import sys
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--chdir', default=None)
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parser.add_argument('--stamp', default=None)
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parser.add_argument('--path', default=None)
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parser.add_argument('--noop', default=False, action='store_true')
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parser.add_argument('--suppress_stdout', default=False, action='store_true')
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parser.add_argument('--suppress_stderr', default=False, action='store_true')
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parser.add_argument('cmd', nargs=argparse.REMAINDER)
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args = parser.parse_args()
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if args.noop:
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return 0
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if args.chdir and not os.path.exists(args.chdir):
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print(
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'Cannot chdir to %s from %s' % (workdir, os.getcwd()), file=sys.stderr)
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return 1
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exe = os.path.abspath(args.cmd[0]) if os.sep in args.cmd[0] else args.cmd[0]
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env = os.environ.copy()
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if args.path:
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env['PATH'] = os.path.abspath(args.path) + os.pathsep + env['PATH']
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devnull = open(os.devnull, 'wb')
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stdout = devnull if args.suppress_stdout else None
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stderr = devnull if args.suppress_stderr else None
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try:
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proc = subprocess.Popen(
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[exe] + args.cmd[1:],
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cwd=args.chdir,
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env=env,
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stderr=stderr,
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stdout=stdout)
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ret = proc.wait()
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if ret == 0 and args.stamp:
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with open(args.stamp, 'w'):
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os.utime(args.stamp, None)
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return ret
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except OSError as e:
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print('Error running: "%s" (%s)' % (args.cmd[0], e.strerror))
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print('PATH=%s' % env.get('PATH'))
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return 127
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if __name__ == '__main__':
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sys.exit(main())
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