Function _strip_optional

quantmind/magic.py:152–159

Peel ``T | None`` / ``Optional[T]`` to return the inner T.

(anno: Any)

    input_anno = annotations.get("input", sig.parameters["input"].annotation)
    cfg_anno = annotations.get("cfg", sig.parameters["cfg"].annotation)
    cfg_type = _strip_optional(cfg_anno)
    if not (isinstance(cfg_type, type) and issubclass(cfg_type, BaseFlowCfg)):
        raise TypeError(
            f"Flow {flow_fn.__name__!r} `cfg` annotation must resolve to "
            f"a BaseFlowCfg subclass (got {cfg_anno!r})"
        )
    return input_anno, cfg_type


def _strip_optional(anno: Any) -> Any:
    """Peel ``T | None`` / ``Optional[T]`` to return the inner T."""