[Python] Managed Transforms API (apache#31495)

* managed module

* clean up

* lint

* try with real example

* cleanup

* add documentation

* fix doc

* add pyyaml dependency

* cleanup

* return deps

* return deps

* fix doc

* address some comments

* doc updates

* define managed transform URNs in proto

* fix URN

* remove managed dependency

* add managed iceberg integration test

* lint

* lint

* dependency fix

* lint

* dependency fix

* dependency fix

* lint

* lint

* dependency fix

* rename test file

.github/trigger_files/beam_PostCommit_Python_Xlang_IO_Dataflow.json

@@ -1,4 +1,4 @@
 {
   "comment": "Modify this file in a trivial way to cause this test suite to run",
-  "modification": 1
+  "modification": 2
 }

.github/trigger_files/beam_PostCommit_Python_Xlang_IO_Direct.json

@@ -0,0 +1,4 @@
+{
+  "comment": "Modify this file in a trivial way to cause this test suite to run",
+  "modification": 1
+}

.github/workflows/beam_PostCommit_Python_Xlang_IO_Direct.yml

@@ -0,0 +1,96 @@
+# 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.
+
+name: PostCommit Python Xlang IO Direct
+
+on:
+  schedule:
+    - cron: '30 5/6 * * *'
+  pull_request_target:
+    paths: ['release/trigger_all_tests.json', '.github/trigger_files/beam_PostCommit_Python_Xlang_IO_Direct.json']
+  workflow_dispatch:
+
+#Setting explicit permissions for the action to avoid the default permissions which are `write-all` in case of pull_request_target event
+permissions:
+  actions: write
+  pull-requests: write
+  checks: write
+  contents: read
+  deployments: read
+  id-token: none
+  issues: write
+  discussions: read
+  packages: read
+  pages: read
+  repository-projects: read
+  security-events: read
+  statuses: read
+
+# This allows a subsequently queued workflow run to interrupt previous runs
+concurrency:
+  group: '${{ github.workflow }} @ ${{ github.event.issue.number || github.sha || github.head_ref || github.ref }}-${{ github.event.schedule || github.event.comment.id || github.event.sender.login }}'
+  cancel-in-progress: true
+
+env:
+  DEVELOCITY_ACCESS_KEY: ${{ secrets.GE_ACCESS_TOKEN }}
+  GRADLE_ENTERPRISE_CACHE_USERNAME: ${{ secrets.GE_CACHE_USERNAME }}
+  GRADLE_ENTERPRISE_CACHE_PASSWORD: ${{ secrets.GE_CACHE_PASSWORD }}
+
+jobs:
+  beam_PostCommit_Python_Xlang_IO_Direct:
+    if: |
+      github.event_name == 'workflow_dispatch' ||
+      github.event_name == 'pull_request_target' ||
+      (github.event_name == 'schedule' && github.repository == 'apache/beam') ||
+      github.event.comment.body == 'Run Python_Xlang_IO_Direct PostCommit'
+    runs-on: [self-hosted, ubuntu-20.04, main]
+    timeout-minutes: 100
+    name: ${{ matrix.job_name }} (${{ matrix.job_phrase }})
+    strategy:
+      matrix:
+        job_name: ["beam_PostCommit_Python_Xlang_IO_Direct"]
+        job_phrase: ["Run Python_Xlang_IO_Direct PostCommit"]
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup repository
+        uses: ./.github/actions/setup-action
+        with:
+          comment_phrase: ${{ matrix.job_phrase }}
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          github_job: ${{ matrix.job_name }} (${{ matrix.job_phrase }})
+      - name: Setup environment
+        uses: ./.github/actions/setup-environment-action
+        with:
+          python-version: |
+            3.9
+            3.12
+      - name: run PostCommit Python Xlang IO Direct script
+        uses: ./.github/actions/gradle-command-self-hosted-action
+        with:
+          gradle-command: :sdks:python:test-suites:direct:ioCrossLanguagePostCommit
+          arguments: -PuseWheelDistribution
+      - name: Archive Python Test Results
+        uses: actions/upload-artifact@v4
+        if: failure()
+        with:
+          name: Python Test Results
+          path: '**/pytest*.xml'
+      - name: Publish Python Test Results
+        uses: EnricoMi/publish-unit-test-result-action@v2
+        if: always()
+        with:
+          commit: '${{ env.prsha || env.GITHUB_SHA }}'
+          comment_mode: ${{ github.event_name == 'issue_comment'  && 'always' || 'off' }}
+          files: '**/pytest*.xml'

CHANGES.md

@@ -59,11 +59,13 @@
 
 * New highly anticipated feature X added to Python SDK ([#X](https://github.com/apache/beam/issues/X)).
 * New highly anticipated feature Y added to Java SDK ([#Y](https://github.com/apache/beam/issues/Y)).
+* [Python] Introduce Managed Transforms API ([#31495](https://github.com/apache/beam/pull/31495))
 
 ## I/Os
 
 * Support for X source added (Java/Python) ([#X](https://github.com/apache/beam/issues/X)).
 * [Managed Iceberg] Support creating tables if needed ([#32686](https://github.com/apache/beam/pull/32686))
+* [Managed Iceberg] Now available in Python SDK ([#31495](https://github.com/apache/beam/pull/31495))
 * [Managed Iceberg] Add support for TIMESTAMP, TIME, and DATE types ([#32688](https://github.com/apache/beam/pull/32688))
 
 ## New Features / Improvements

model/pipeline/src/main/proto/org/apache/beam/model/pipeline/v1/external_transforms.proto

@@ -59,6 +59,20 @@ message ExpansionMethods {
   }
 }
 
+// Defines the URNs for managed transforms.
+message ManagedTransforms {
+  enum Urns {
+    ICEBERG_READ = 0 [(org.apache.beam.model.pipeline.v1.beam_urn) =
+      "beam:schematransform:org.apache.beam:iceberg_read:v1"];
+    ICEBERG_WRITE = 1 [(org.apache.beam.model.pipeline.v1.beam_urn) =
+      "beam:schematransform:org.apache.beam:iceberg_write:v1"];
+    KAFKA_READ = 2 [(org.apache.beam.model.pipeline.v1.beam_urn) =
+      "beam:schematransform:org.apache.beam:kafka_read:v1"];
+    KAFKA_WRITE = 3 [(org.apache.beam.model.pipeline.v1.beam_urn) =
+      "beam:schematransform:org.apache.beam:kafka_write:v1"];
+  }
+}
+
 // A configuration payload for an external transform.
 // Used to define a Java transform that can be directly instantiated by a Java
 // expansion service.

sdks/java/io/expansion-service/build.gradle

@@ -44,6 +44,8 @@ ext.summary = "Expansion service serving several Java IOs"
 dependencies {
   implementation project(":sdks:java:expansion-service")
   permitUnusedDeclared project(":sdks:java:expansion-service") // BEAM-11761
+  implementation project(":sdks:java:managed")
+  permitUnusedDeclared project(":sdks:java:managed") // BEAM-11761
   implementation project(":sdks:java:io:iceberg")
   permitUnusedDeclared project(":sdks:java:io:iceberg") // BEAM-11761
   implementation project(":sdks:java:io:kafka")

sdks/java/io/iceberg/build.gradle

@@ -44,7 +44,7 @@ def orc_version = "1.9.2"
 dependencies {
     implementation library.java.vendored_guava_32_1_2_jre
     implementation project(path: ":sdks:java:core", configuration: "shadow")
-    implementation project(":sdks:java:managed")
+    implementation project(path: ":model:pipeline", configuration: "shadow")
     implementation library.java.slf4j_api
     implementation library.java.joda_time
     implementation "org.apache.parquet:parquet-column:$parquet_version"
@@ -55,6 +55,7 @@ dependencies {
     implementation "org.apache.iceberg:iceberg-orc:$iceberg_version"
     implementation library.java.hadoop_common
 
+    testImplementation project(":sdks:java:managed")
     testImplementation library.java.hadoop_client
     testImplementation library.java.bigdataoss_gcsio
     testImplementation library.java.bigdataoss_gcs_connector

sdks/java/io/iceberg/src/main/java/org/apache/beam/sdk/io/iceberg/IcebergIO.java

@@ -24,7 +24,6 @@
 import java.util.List;
 import org.apache.beam.sdk.annotations.Internal;
 import org.apache.beam.sdk.io.Read;
-import org.apache.beam.sdk.managed.Managed;
 import org.apache.beam.sdk.schemas.Schema;
 import org.apache.beam.sdk.transforms.PTransform;
 import org.apache.beam.sdk.values.PBegin;
@@ -45,8 +44,8 @@
  * A connector that reads and writes to <a href="https://iceberg.apache.org/">Apache Iceberg</a>
  * tables.
  *
- * <p>{@link IcebergIO} is offered as a {@link Managed} transform. This class is subject to change
- * and should not be used directly. Instead, use it via {@link Managed#ICEBERG} like so:
+ * <p>{@link IcebergIO} is offered as a Managed transform. This class is subject to change and
+ * should not be used directly. Instead, use it like so:
  *
  * <pre>{@code
  * Map<String, Object> config = Map.of(

sdks/java/io/iceberg/src/main/java/org/apache/beam/sdk/io/iceberg/IcebergReadSchemaTransformProvider.java

@@ -17,10 +17,12 @@
  */
 package org.apache.beam.sdk.io.iceberg;
 
+import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn;
+
 import com.google.auto.service.AutoService;
 import java.util.Collections;
 import java.util.List;
-import org.apache.beam.sdk.managed.ManagedTransformConstants;
+import org.apache.beam.model.pipeline.v1.ExternalTransforms;
 import org.apache.beam.sdk.schemas.NoSuchSchemaException;
 import org.apache.beam.sdk.schemas.SchemaRegistry;
 import org.apache.beam.sdk.schemas.transforms.SchemaTransform;
@@ -53,7 +55,7 @@ public List<String> outputCollectionNames() {
 
   @Override
   public String identifier() {
-    return ManagedTransformConstants.ICEBERG_READ;
+    return getUrn(ExternalTransforms.ManagedTransforms.Urns.ICEBERG_READ);
   }
 
   static class IcebergReadSchemaTransform extends SchemaTransform {

sdks/java/io/iceberg/src/main/java/org/apache/beam/sdk/io/iceberg/IcebergWriteSchemaTransformProvider.java

@@ -18,13 +18,14 @@
 package org.apache.beam.sdk.io.iceberg;
 
 import static org.apache.beam.sdk.io.iceberg.IcebergWriteSchemaTransformProvider.Configuration;
+import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn;
 
 import com.google.auto.service.AutoService;
 import com.google.auto.value.AutoValue;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
-import org.apache.beam.sdk.managed.ManagedTransformConstants;
+import org.apache.beam.model.pipeline.v1.ExternalTransforms;
 import org.apache.beam.sdk.schemas.AutoValueSchema;
 import org.apache.beam.sdk.schemas.NoSuchSchemaException;
 import org.apache.beam.sdk.schemas.Schema;
@@ -151,7 +152,7 @@ public List<String> outputCollectionNames() {
 
   @Override
   public String identifier() {
-    return ManagedTransformConstants.ICEBERG_WRITE;
+    return getUrn(ExternalTransforms.ManagedTransforms.Urns.ICEBERG_WRITE);
   }
 
   static class IcebergWriteSchemaTransform extends SchemaTransform {

sdks/java/io/kafka/build.gradle

@@ -54,6 +54,7 @@ dependencies {
   provided library.java.jackson_dataformat_csv
   permitUnusedDeclared library.java.jackson_dataformat_csv
   implementation project(path: ":sdks:java:core", configuration: "shadow")
+  implementation project(path: ":model:pipeline", configuration: "shadow")
   implementation project(":sdks:java:extensions:avro")
   implementation project(":sdks:java:extensions:protobuf")
   implementation project(":sdks:java:expansion-service")

sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaReadSchemaTransformProvider.java

@@ -18,6 +18,7 @@
 package org.apache.beam.sdk.io.kafka;
 
 import static org.apache.beam.sdk.util.Preconditions.checkArgumentNotNull;
+import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn;
 
 import com.google.auto.service.AutoService;
 import java.io.FileOutputStream;
@@ -34,6 +35,7 @@
 import java.util.Map;
 import java.util.stream.Collectors;
 import org.apache.avro.generic.GenericRecord;
+import org.apache.beam.model.pipeline.v1.ExternalTransforms;
 import org.apache.beam.sdk.extensions.avro.coders.AvroCoder;
 import org.apache.beam.sdk.extensions.avro.schemas.utils.AvroUtils;
 import org.apache.beam.sdk.extensions.protobuf.ProtoByteUtils;
@@ -103,7 +105,7 @@ public Row apply(byte[] input) {
 
   @Override
   public String identifier() {
-    return "beam:schematransform:org.apache.beam:kafka_read:v1";
+    return getUrn(ExternalTransforms.ManagedTransforms.Urns.KAFKA_READ);
   }
 
   @Override

sdks/java/io/kafka/src/main/java/org/apache/beam/sdk/io/kafka/KafkaWriteSchemaTransformProvider.java

@@ -17,6 +17,8 @@
  */
 package org.apache.beam.sdk.io.kafka;
 
+import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn;
+
 import com.google.auto.service.AutoService;
 import com.google.auto.value.AutoValue;
 import java.io.Serializable;
@@ -26,6 +28,7 @@
 import java.util.Map;
 import java.util.Set;
 import javax.annotation.Nullable;
+import org.apache.beam.model.pipeline.v1.ExternalTransforms;
 import org.apache.beam.sdk.extensions.avro.schemas.utils.AvroUtils;
 import org.apache.beam.sdk.extensions.protobuf.ProtoByteUtils;
 import org.apache.beam.sdk.metrics.Counter;
@@ -249,7 +252,7 @@ public byte[] apply(Row input) {
 
   @Override
   public @UnknownKeyFor @NonNull @Initialized String identifier() {
-    return "beam:schematransform:org.apache.beam:kafka_write:v1";
+    return getUrn(ExternalTransforms.ManagedTransforms.Urns.KAFKA_WRITE);
   }
 
   @Override

sdks/java/managed/build.gradle

@@ -28,6 +28,7 @@ ext.summary = """Library that provides managed IOs."""
 
 dependencies {
     implementation project(path: ":sdks:java:core", configuration: "shadow")
+    implementation project(path: ":model:pipeline", configuration: "shadow")
     implementation library.java.vendored_guava_32_1_2_jre
     implementation library.java.slf4j_api
 

sdks/java/managed/src/main/java/org/apache/beam/sdk/managed/Managed.java

@@ -17,11 +17,14 @@
  */
 package org.apache.beam.sdk.managed;
 
+import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn;
+
 import com.google.auto.value.AutoValue;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;
 import javax.annotation.Nullable;
+import org.apache.beam.model.pipeline.v1.ExternalTransforms;
 import org.apache.beam.sdk.coders.RowCoder;
 import org.apache.beam.sdk.schemas.transforms.SchemaTransform;
 import org.apache.beam.sdk.schemas.transforms.SchemaTransformProvider;
@@ -87,13 +90,13 @@ public class Managed {
   // Supported SchemaTransforms
   public static final Map<String, String> READ_TRANSFORMS =
       ImmutableMap.<String, String>builder()
-          .put(ICEBERG, ManagedTransformConstants.ICEBERG_READ)
-          .put(KAFKA, ManagedTransformConstants.KAFKA_READ)
+          .put(ICEBERG, getUrn(ExternalTransforms.ManagedTransforms.Urns.ICEBERG_READ))
+          .put(KAFKA, getUrn(ExternalTransforms.ManagedTransforms.Urns.KAFKA_READ))
           .build();
   public static final Map<String, String> WRITE_TRANSFORMS =
       ImmutableMap.<String, String>builder()
-          .put(ICEBERG, ManagedTransformConstants.ICEBERG_WRITE)
-          .put(KAFKA, ManagedTransformConstants.KAFKA_WRITE)
+          .put(ICEBERG, getUrn(ExternalTransforms.ManagedTransforms.Urns.ICEBERG_WRITE))
+          .put(KAFKA, getUrn(ExternalTransforms.ManagedTransforms.Urns.KAFKA_WRITE))
           .build();
 
   /**

sdks/java/managed/src/main/java/org/apache/beam/sdk/managed/ManagedTransformConstants.java

@@ -17,7 +17,10 @@
  */
 package org.apache.beam.sdk.managed;
 
+import static org.apache.beam.sdk.util.construction.BeamUrns.getUrn;
+
 import java.util.Map;
+import org.apache.beam.model.pipeline.v1.ExternalTransforms;
 import org.apache.beam.vendor.guava.v32_1_2_jre.com.google.common.collect.ImmutableMap;
 
 /**
@@ -41,12 +44,6 @@ public class ManagedTransformConstants {
   // Standard input PCollection tag
   public static final String INPUT = "input";
 
-  public static final String ICEBERG_READ = "beam:schematransform:org.apache.beam:iceberg_read:v1";
-  public static final String ICEBERG_WRITE =
-      "beam:schematransform:org.apache.beam:iceberg_write:v1";
-  public static final String KAFKA_READ = "beam:schematransform:org.apache.beam:kafka_read:v1";
-  public static final String KAFKA_WRITE = "beam:schematransform:org.apache.beam:kafka_write:v1";
-
   private static final Map<String, String> KAFKA_READ_MAPPINGS =
       ImmutableMap.<String, String>builder().put("data_format", "format").build();
 
@@ -55,7 +52,7 @@ public class ManagedTransformConstants {
 
   public static final Map<String, Map<String, String>> MAPPINGS =
       ImmutableMap.<String, Map<String, String>>builder()
-          .put(KAFKA_READ, KAFKA_READ_MAPPINGS)
-          .put(KAFKA_WRITE, KAFKA_WRITE_MAPPINGS)
+          .put(getUrn(ExternalTransforms.ManagedTransforms.Urns.KAFKA_READ), KAFKA_READ_MAPPINGS)
+          .put(getUrn(ExternalTransforms.ManagedTransforms.Urns.KAFKA_WRITE), KAFKA_WRITE_MAPPINGS)
           .build();
 }

sdks/python/apache_beam/portability/common_urns.py

@@ -38,6 +38,7 @@
 StandardSideInputTypes = beam_runner_api_pb2_urns.StandardSideInputTypes
 StandardUserStateTypes = beam_runner_api_pb2_urns.StandardUserStateTypes
 ExpansionMethods = external_transforms_pb2_urns.ExpansionMethods
+ManagedTransforms = external_transforms_pb2_urns.ManagedTransforms
 MonitoringInfo = metrics_pb2_urns.MonitoringInfo
 MonitoringInfoSpecs = metrics_pb2_urns.MonitoringInfoSpecs
 MonitoringInfoTypeUrns = metrics_pb2_urns.MonitoringInfoTypeUrns

sdks/python/apache_beam/transforms/__init__.py

@@ -22,6 +22,7 @@
 from apache_beam.transforms import combiners
 from apache_beam.transforms.core import *
 from apache_beam.transforms.external import *
+from apache_beam.transforms.managed import *
 from apache_beam.transforms.ptransform import *
 from apache_beam.transforms.stats import *
 from apache_beam.transforms.timeutil import TimeDomain