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38 lines
822 B
Python
38 lines
822 B
Python
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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