dsuhinin commented on PR #76606:
URL: https://github.com/apache/airflow/pull/76606#issuecomment-6707285089
> The screenshots make the bug obvious, and keying enum entries by their
JSON form is the right way to give object choices an identity in react-select.
I verified the value round trip: `toOptionValue` is used for both `options` and
`currentValue`, so `handleChange` maps the selected key back to the original
object instead of submitting the key. Two things I would like addressed before
this merges, both about how that key is produced.
ok, addressed main points and a bit adjust demo Dag, so now configuration
looks like:
```
from __future__ import annotations
import json
from airflow.sdk import DAG, Param, task
ENVS = [
{"name": "dev", "replicas": 1},
{"name": "staging", "replicas": 2},
{"name": "prod", "replicas": 5},
]
with DAG(
"object_enum_demo",
params={
"env": Param(
ENVS[0],
type="object",
enum=ENVS,
values_display={json.dumps(env): env["name"].title() for env in
ENVS},
description="Should render as a dropdown with 3 object choices
(issue #42524).",
),
"envs_multi": Param(
[ENVS[0]],
type="array",
examples=ENVS,
items={"type": "object", "enum": ENVS},
values_display={json.dumps(env): env["name"].title() for env in
ENVS},
description="Multi-select over object choices; items.enum
validates each selected object.",
),
},
) as dag:
@task
def show_params(params=None):
print(f"env={params['env']!r} ({type(params['env']).__name__})")
print(f"envs_multi={params['envs_multi']!r}")
show_params()
```
which produces:
<img width="898" height="869" alt="Screenshot 2026-11-07 at 14 01 30"
src="https://github.com/user-attachments/assets/57153c68-2ad3-4158-81b6-1e3b16efb010";
/>
<img width="913" height="862" alt="Screenshot 2026-11-07 at 14 01 44"
src="https://github.com/user-attachments/assets/395abab2-e631-4d5c-8bdb-3e6ac799989f";
/>
<img width="903" height="875" alt="Screenshot 2026-11-07 at 14 01 58"
src="https://github.com/user-attachments/assets/11c29c35-f3e1-4d5d-885a-809c6174631b";
/>
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