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Fix generic cardinality discriminator type alias #15

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Merged
strohganoff merged 2 commits into from
Apr 16, 2025
Merged

Fix generic cardinality discriminator type alias #15

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3fe69dc
Fix CardinalityDiscriminated generic TypeAlias so TypeVars are persis…
strohganoff Apr 16, 2025
a6487b1
Update TypeAlias to make use of Pydantic.JsonValue for more exact ty…
strohganoff Apr 16, 2025
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19 changes: 13 additions & 6 deletions streamdeck/models/events/common.py
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Original file line number Diff line number Diff line change
@@ -1,9 +1,9 @@
from __future__ import annotations

from abc import ABC
from typing import Annotated, Any, Generic, Literal, NamedTuple, Optional, Union
from typing import Annotated, Generic, Literal, NamedTuple, Optional, Union

from pydantic import Field
from pydantic import Field, JsonValue
from typing_extensions import TypedDict, TypeVar

from streamdeck.models.events.base import ConfiguredBaseModel
Expand All @@ -28,8 +28,11 @@ class DeviceSpecificEventMixin:
## Payload models and metadata used by multiple event models.


PluginDefinedData = dict[str, Any]
"""Data of arbitrary structure that is defined in and relevant to the plugin."""
PluginDefinedData = dict[str, JsonValue]
"""Data of arbitrary structure that is defined in and relevant to the plugin.

The root of the data structure will always be a dict of string keys, while the values can be any JSON-compatible type.
"""


EncoderControllerType = Literal["Encoder"]
Expand Down Expand Up @@ -116,10 +119,14 @@ class MultiActionPayloadMixin:
"""Indicates that this event is part of a multi-action."""


# These need to be covariant, as the Mixin classes are never meant to be instantiated themselves, only inherited from.
SingleActionPayload_co = TypeVar("SingleActionPayload_co", bound=SingleActionPayloadMixin, covariant=True)
MultiActionPayload_co = TypeVar("MultiActionPayload_co", bound=MultiActionPayloadMixin, covariant=True)

CardinalityDiscriminated = Annotated[
Union[ # noqa: UP007
TypeVar("S", bound=SingleActionPayloadMixin),
TypeVar("M", bound=MultiActionPayloadMixin),
SingleActionPayload_co,
MultiActionPayload_co,
],
Field(discriminator="is_in_multi_action"),
]
Expand Down