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https://fuchsia.googlesource.com/third_party/pigweed.googlesource.com/pigweed/pigweed
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40 lines
1.3 KiB
Python
40 lines
1.3 KiB
Python
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# Copyright 2019 The Pigweed Authors
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may not
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# use this file except in compliance with the License. You may obtain a copy of
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# the License at
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#
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# https://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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations under
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# the License.
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"""Script that emits a helpful error when a facade is used without a backend."""
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import argparse
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import sys
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def parse_args():
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"""Parses command-line arguments."""
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parser = argparse.ArgumentParser(
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description='Emits an error when a facade has a null backend')
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parser.add_argument('facade_name', help='The facade with a null backend')
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return parser.parse_args()
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def main():
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args = parse_args()
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print(f'ERROR: {args.facade_name} tried to build without a backend.')
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print('If you are using this module, ensure you have configured a backend '
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'properly. If you are NOT using this module, this error may have '
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'been triggered by trying to build all targets.')
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sys.exit(1)
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if __name__ == '__main__':
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main()
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