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Script Runner Io

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try:
    from pydantic.v1 import BaseModel
except ImportError:
    from pydantic import BaseModel

from hera.shared import global_config
from hera.workflows import Artifact, ArtifactLoader, Parameter, Steps, Workflow, script
from hera.workflows.archive import NoneArchiveStrategy
from hera.workflows.io import RunnerInput, RunnerOutput

try:
    from typing import Annotated  # type: ignore
except ImportError:
    from typing_extensions import Annotated  # type: ignore

global_config.experimental_features["script_annotations"] = True
global_config.experimental_features["script_pydantic_io"] = True


class MyObject(BaseModel):
    a_dict: dict  # not giving a default makes the field a required input for the template
    a_str: str = "a default string"


class MyInput(RunnerInput):
    param_int: Annotated[int, Parameter(name="param-input")] = 42
    an_object: Annotated[MyObject, Parameter(name="obj-input")] = MyObject(
        a_dict={"my-key": "a-value"}, a_str="hello world!"
    )
    artifact_int: Annotated[int, Artifact(name="artifact-input", loader=ArtifactLoader.json)]


class MyOutput(RunnerOutput):
    param_int: Annotated[int, Parameter(name="param-output")]
    artifact_int: Annotated[int, Artifact(name="artifact-output")]


@script(constructor="runner", image="python-image-built-with-my-package")
def writer() -> Annotated[int, Artifact(name="int-artifact", archive=NoneArchiveStrategy())]:
    return 100


@script(constructor="runner", image="python-image-built-with-my-package")
def pydantic_io(
    my_input: MyInput,
) -> MyOutput:
    return MyOutput(exit_code=1, result="Test!", param_int=42, artifact_int=my_input.param_int)


with Workflow(generate_name="pydantic-io-") as w:
    with Steps(name="use-pydantic-io"):
        write_step = writer()
        pydantic_io(
            arguments=[
                write_step.get_artifact("int-artifact").with_name("artifact-input"),
                {
                    "param_int": 101,
                    "an_object": MyObject(a_dict={"my-new-key": "my-new-value"}),
                },
            ]
        )

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apiVersion: argoproj.io/v1alpha1
kind: Workflow
metadata:
  generateName: pydantic-io-
spec:
  templates:
  - name: use-pydantic-io
    steps:
    - - name: writer
        template: writer
    - - arguments:
          artifacts:
          - from: '{{steps.writer.outputs.artifacts.int-artifact}}'
            name: artifact-input
          parameters:
          - name: param_int
            value: '101'
          - name: an_object
            value: '{"a_dict": {"my-new-key": "my-new-value"}, "a_str": "a default
              string"}'
        name: pydantic-io
        template: pydantic-io
  - name: writer
    outputs:
      artifacts:
      - archive:
          none: {}
        name: int-artifact
        path: /tmp/hera-outputs/artifacts/int-artifact
    script:
      args:
      - -m
      - hera.workflows.runner
      - -e
      - examples.workflows.experimental.script_runner_io:writer
      command:
      - python
      env:
      - name: hera__script_annotations
        value: ''
      - name: hera__outputs_directory
        value: /tmp/hera-outputs
      - name: hera__script_pydantic_io
        value: ''
      image: python-image-built-with-my-package
      source: '{{inputs.parameters}}'
  - inputs:
      artifacts:
      - name: artifact-input
        path: /tmp/hera-inputs/artifacts/artifact-input
      parameters:
      - default: '42'
        name: param-input
      - default: '{"a_dict": {"my-key": "a-value"}, "a_str": "hello world!"}'
        name: obj-input
    name: pydantic-io
    outputs:
      artifacts:
      - name: artifact-output
        path: /tmp/hera-outputs/artifacts/artifact-output
      parameters:
      - name: param-output
        valueFrom:
          path: /tmp/hera-outputs/parameters/param-output
    script:
      args:
      - -m
      - hera.workflows.runner
      - -e
      - examples.workflows.experimental.script_runner_io:pydantic_io
      command:
      - python
      env:
      - name: hera__script_annotations
        value: ''
      - name: hera__outputs_directory
        value: /tmp/hera-outputs
      - name: hera__script_pydantic_io
        value: ''
      image: python-image-built-with-my-package
      source: '{{inputs.parameters}}'

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