bazarr/libs/stevedore/example/load_as_extension.py

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# Copyright (C) 2020 Red Hat, Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import argparse
from stevedore import extension
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument(
'--width',
default=60,
type=int,
help='maximum output width for text',
)
parsed_args = parser.parse_args()
data = {
'a': 'A',
'b': 'B',
'long': 'word ' * 80,
}
mgr = extension.ExtensionManager(
namespace='stevedore.example.formatter',
invoke_on_load=True,
invoke_args=(parsed_args.width,),
)
def format_data(ext, data):
return (ext.name, ext.obj.format(data))
results = mgr.map(format_data, data)
for name, result in results:
print('Formatter: {0}'.format(name))
for chunk in result:
print(chunk, end='')
print('')