Function coerce_to_immutabledict

lib/sqlalchemy/util/_collections.py:114–120

(d: Mapping[_KT, _VT])

def coerce_to_immutabledict(d: Mapping[_KT, _VT]) -> immutabledict[_KT, _VT]:
    if not d:
        return EMPTY_DICT
    elif isinstance(d, immutabledict):
        return d
    else:
        return immutabledict(d)


EMPTY_DICT: immutabledict[Any, Any] = immutabledict()