#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements. See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.
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from apache_beam.options import pipeline_options
[docs]
class YamlOptions(pipeline_options.PipelineOptions):
@classmethod
def _add_argparse_args(cls, parser):
parser.add_argument(
'--yaml_experimental_features',
dest='yaml_experimental_features',
action='append',
default=[],
help=('Enable yaml features ahead of them being declared stable.'))
[docs]
@classmethod
def check_enabled(cls, pipeline, feature, description=None):
if feature not in pipeline._options.view_as(cls).yaml_experimental_features:
raise ValueError(
f'{description or feature} unsupported because '
f'{feature} is not set in --yaml_experimental_features option.')