fix(sdk): fix incorrect sub-DAG output type when using dsl.Collected

sdk/RELEASE.md

@@ -7,6 +7,7 @@
 ## Deprecations
 
 ## Bug fixes and other changes
+* Fix type on `dsl.ParallelFor` sub-DAG output when a `dsl.Collected` is used. Non-functional fix. [\#10069](https://github.com/kubeflow/pipelines/pull/10069)
 
 ## Documentation updates
 

sdk/python/kfp/compiler/compiler_test.py

@@ -2861,6 +2861,31 @@ def my_pipeline(x: Input[Artifact] = Artifact(
 
 class TestCrossTasksGroupFanInCollection(unittest.TestCase):
 
+    def test_correct_subdag_return_type(self):
+        from typing import List
+
+        from kfp import dsl
+
+        @dsl.component
+        def double(num: int) -> int:
+            return 2 * num
+
+        @dsl.component
+        def add(nums: List[int]) -> int:
+            return sum(nums)
+
+        @dsl.pipeline
+        def math_pipeline() -> int:
+            with dsl.ParallelFor([1, 2, 3]) as v:
+                t = double(num=v)
+
+            return add(nums=dsl.Collected(t.output)).output
+
+        self.assertEqual(
+            math_pipeline.pipeline_spec.components['comp-for-loop-2']
+            .output_definitions.parameters['pipelinechannel--double-Output']
+            .parameter_type, type_utils.LIST)
+
     def test_missing_collected_with_correct_annotation(self):
         from typing import List
 

sdk/python/kfp/compiler/pipeline_spec_builder.py

@@ -626,7 +626,7 @@ def build_component_spec_for_group(
         else:
             component_spec.output_definitions.parameters[
                 output_name].parameter_type = type_utils.get_parameter_type(
-                    channel.channel_type)
+                    output.channel_type)
 
     return component_spec
 

sdk/python/test_data/pipelines/if_elif_else_complex.yaml

@@ -439,7 +439,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--int-0-to-9999-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-for-loop-16:
     dag:
       tasks:

sdk/python/test_data/pipelines/parallelfor_fan_in/conditional_producer_and_consumers.yaml

@@ -44,7 +44,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-condition-4:
     dag:
       outputs:
@@ -74,7 +74,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--add-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-double:
     executorLabel: exec-double
     inputDefinitions:
@@ -117,7 +117,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
 deploymentSpec:
   executors:
     exec-add:
@@ -132,7 +132,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -160,7 +160,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -229,4 +229,4 @@ root:
       Output:
         parameterType: LIST
 schemaVersion: 2.1.0
-sdkVersion: kfp-2.1.3
+sdkVersion: kfp-2.3.0

sdk/python/test_data/pipelines/parallelfor_fan_in/nested_with_parameters.yaml

@@ -74,7 +74,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--add-two-nums-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-for-loop-4:
     dag:
       outputs:
@@ -135,7 +135,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--add-two-nums-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
 deploymentSpec:
   executors:
     exec-add:
@@ -150,7 +150,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -179,7 +179,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -207,7 +207,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -235,7 +235,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -291,4 +291,4 @@ root:
       Output:
         parameterType: LIST
 schemaVersion: 2.1.0
-sdkVersion: kfp-2.1.3
+sdkVersion: kfp-2.3.0

sdk/python/test_data/pipelines/parallelfor_fan_in/parameters_complex.yaml

@@ -90,9 +90,9 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-2-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
         pipelinechannel--double-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-for-loop-4:
     dag:
       outputs:
@@ -120,7 +120,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-2-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-for-loop-6:
     dag:
       outputs:
@@ -167,9 +167,9 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--nested-add-2-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
         pipelinechannel--simple-add-2-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-nested-add:
     executorLabel: exec-nested-add
     inputDefinitions:
@@ -224,7 +224,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -253,7 +253,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -281,7 +281,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -309,7 +309,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -338,7 +338,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -367,7 +367,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -395,7 +395,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -491,4 +491,4 @@ root:
       Output:
         parameterType: NUMBER_INTEGER
 schemaVersion: 2.1.0
-sdkVersion: kfp-2.1.3
+sdkVersion: kfp-2.3.0

sdk/python/test_data/pipelines/parallelfor_fan_in/parameters_simple.yaml

@@ -60,7 +60,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
 deploymentSpec:
   executors:
     exec-add:
@@ -75,7 +75,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -113,7 +113,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -184,4 +184,4 @@ root:
       Output:
         parameterType: LIST
 schemaVersion: 2.1.0
-sdkVersion: kfp-2.1.3
+sdkVersion: kfp-2.3.0

sdk/python/test_data/pipelines/parallelfor_fan_in/pipeline_producer_consumer.yaml

@@ -129,7 +129,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-pipeline-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-for-loop-2-2:
     dag:
       outputs:
@@ -157,7 +157,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--echo-and-return-Output:
-          parameterType: STRING
+          parameterType: LIST
   comp-for-loop-4:
     dag:
       outputs:
@@ -185,7 +185,7 @@ components:
     outputDefinitions:
       parameters:
         pipelinechannel--double-pipeline-Output:
-          parameterType: NUMBER_INTEGER
+          parameterType: LIST
   comp-join-and-print:
     executorLabel: exec-join-and-print
     inputDefinitions:
@@ -206,7 +206,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -235,7 +235,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -263,7 +263,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -292,7 +292,7 @@ deploymentSpec:
         - -c
         - "\nif ! [ -x \"$(command -v pip)\" ]; then\n    python3 -m ensurepip ||\
           \ python3 -m ensurepip --user || apt-get install python3-pip\nfi\n\nPIP_DISABLE_PIP_VERSION_CHECK=1\
-          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.1.3'\
+          \ python3 -m pip install --quiet --no-warn-script-location 'kfp==2.3.0'\
           \ '--no-deps' 'typing-extensions>=3.7.4,<5; python_version<\"3.9\"' && \"\
           $0\" \"$@\"\n"
         - sh
@@ -364,4 +364,4 @@ root:
       Output:
         parameterType: NUMBER_INTEGER
 schemaVersion: 2.1.0
-sdkVersion: kfp-2.1.3
+sdkVersion: kfp-2.3.0