61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
# Copyright (C) 2019 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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"""Script to wrap protoc execution.
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This script exists to work-around the bad depfile generation by protoc when
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generating descriptors."""
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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 sys
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import subprocess
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import tempfile
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import uuid
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from codecs import open
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('--descriptor_set_out', default=None)
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parser.add_argument('--dependency_out', default=None)
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parser.add_argument('protoc')
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args, remaining = parser.parse_known_args()
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if args.dependency_out and args.descriptor_set_out:
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tmp_path = os.path.join(tempfile.gettempdir(), str(uuid.uuid4()))
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custom = [
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'--descriptor_set_out', args.descriptor_set_out, '--dependency_out',
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tmp_path
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]
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try:
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cmd = [args.protoc] + custom + remaining
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subprocess.check_call(cmd)
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with open(tmp_path, 'rb') as tmp_rd:
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dependency_data = tmp_rd.read().decode('utf-8')
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finally:
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if os.path.exists(tmp_path):
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os.unlink(tmp_path)
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with open(args.dependency_out, 'w', encoding='utf-8') as f:
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f.write(args.descriptor_set_out + ":")
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f.write(dependency_data)
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else:
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subprocess.check_call(sys.argv[1:])
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if __name__ == '__main__':
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sys.exit(main())
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