2022-01-24 04:07:52 +00:00
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# Copyright (C) 2020 Red Hat, Inc.
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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
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# 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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2018-09-17 00:27:00 +00:00
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import argparse
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from stevedore import extension
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if __name__ == '__main__':
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'--width',
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default=60,
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type=int,
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help='maximum output width for text',
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)
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parsed_args = parser.parse_args()
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data = {
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'a': 'A',
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'b': 'B',
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'long': 'word ' * 80,
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}
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mgr = extension.ExtensionManager(
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namespace='stevedore.example.formatter',
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invoke_on_load=True,
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invoke_args=(parsed_args.width,),
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)
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def format_data(ext, data):
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return (ext.name, ext.obj.format(data))
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results = mgr.map(format_data, data)
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for name, result in results:
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print('Formatter: {0}'.format(name))
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for chunk in result:
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print(chunk, end='')
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print('')
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