from_json_pydantic

lsst.daf.butler.json.from_json_pydantic(cls_: type[SupportsSimple], json_str: str, universe: DimensionUniverse | None = None, registry: Registry | None = None) → SupportsSimple

Convert from JSON to a pydantic model.

Parameters:

cls_type of SupportsSimple

The Python type being created.

json_strstr

The JSON string representing this object.

universeDimensionUniverse or None, optional

The universe required to instantiate some models. Required if registry is None.

registryRegistry or None, optional

Registry from which to obtain the dimension universe if an explicit universe has not been given.

Returns:

modelSupportsSimple

Pydantic model constructed from JSON and validated.