liferoad commented on code in PR #30666: URL: https://github.com/apache/beam/pull/30666#discussion_r1529112663
########## examples/multi-language/python/wordcount_external.py: ########## @@ -0,0 +1,106 @@ +# +# 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. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +import logging + +import apache_beam as beam +from apache_beam.io import ReadFromText +from apache_beam.options.pipeline_options import PipelineOptions +from apache_beam.transforms.external_transform_provider import ExternalTransformProvider +from apache_beam.typehints.row_type import RowTypeConstraint +"""A Python multi-language pipeline that counts words. + +This pipeline reads an input text file then extracts and counts the words using Java SDK SchemaTransforms provided in +`ExtractWordsProvider`, `JavaCountProvider`, and `WriteWordsProvider`. Wrappers for these transforms are dynamically +provided in Python via the `ExternalTransformProvider` API. + +Before running this program, make sure the expansion service is up and running. You can do so with the command: +$ ./gradlew examples:multi-language:runExpansionService -PexpansionPort=<PORT> Review Comment: we should provide the command without using gradelw since the users who just install the beam do not use this. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: github-unsubscr...@beam.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
