INNER CODE UNIT · Python

_normalize_outflow_source

QianyeSu/Skyborn · src/skyborn/calc/GPI/core.py:81

def _normalize_outflow_source(outflow_source: str) -> int:
    """Map the public outflow-source string to the Fortran flag."""
    try:
        return _OUTFLOW_SOURCE_FLAGS[outflow_source]
    except KeyError as exc:
        raise ValueError(
            f"Invalid outflow_source={outflow_source!r}; expected 'cape_star' or 'cape_env'."
        ) from exc


def _sst_to_kelvin(sst: Any, sst_units: _SSTUnits) -> Any:
    """Convert sea-surface temperature to Kelvin."""
    units = sst_units.upper()
    if units == "K":
        return sst
    if units == "C":
        return np.asarray(sst) + 273.15
    raise ValueError(f"Unsupported sst_units={sst_units!r}; expected 'C' or 'K'.")

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