__main__.py

"""A Python Pulumi program."""

import pulumi
import pulumi_aws.sns as sns
import pulumi
from pydantic import BaseModel
from pulumi import ComponentResource, ResourceOptions, Alias



class TopicModel(BaseModel):
    name: str


class MyTopic(ComponentResource):
    """My SNS Topic"""

    def __init__(self, config: TopicModel, opts: ResourceOptions = None):
        super().__init__(
            "my:components:aws:sns-topic",
            config.name,
            None,
            opts,
        )

        self.topic = sns.Topic(
            f"{config.name}-component_topic",
            opts=ResourceOptions(
                parent=self
            )
        )

        self.register_outputs(
            {
                'component_topic_name': self.topic.name,
            }
        )


a = MyTopic(
    config=TopicModel(
        name='core-imported',
    )
)

# Need to do this for every resource separately to get the Expected result.
pulumi.export('component_topic_name', a.topic.name)

outputs.md

Actual:

"resources": [
    {
        "urn": "urn:pulumi:core::prj-core::pulumi:pulumi:Stack::prj-core-core",
        "custom": false,
        "type": "pulumi:pulumi:Stack"
        ### Output is missing here
    },
    {
        "urn": "urn:pulumi:core::prj-core::stekz:components:aws:sns-topic::core-imported",
        "custom": false,
        "type": "stekz:components:aws:sns-topic",
        "outputs": {
            "component_topic_name": "core-imported-component_topic-c45a93a"
        },
        "parent": "urn:pulumi:core::prj-core::pulumi:pulumi:Stack::prj-core-core"
    },
]

Expected:

  "resources": [
      {
          "urn": "urn:pulumi:core::prj-core::pulumi:pulumi:Stack::prj-core-core",
          "custom": false,
          "type": "pulumi:pulumi:Stack",
          # Output is here but only after calling pulumi.export('component_topic_name', t.topic.name)
          "outputs": {
              "component_topic_name": "core-imported-component_topic-c45a93a"
          }
      },
      {
          "urn": "urn:pulumi:core::prj-core::stekz:components:aws:sns-topic::core-imported",
          "custom": false,
          "type": "stekz:components:aws:sns-topic",
          "outputs": {
              "component_topic_name": "core-imported-component_topic-c45a93a"
          },
          "parent": "urn:pulumi:core::prj-core::pulumi:pulumi:Stack::prj-core-core"
      },
  ]