raise ValueError(f"Invalid namespace: {value}")
            # We don't need to recurse on kwargs
            # as json.loads will do that for us.
            kwargs = value.get("kwargs", dict())
            return cls(**kwargs)
        return value
[docs]def loads(
    text: str,
    *,
    secrets_map: Optional[Dict[str, str]] = None,
    valid_namespaces: Optional[List[str]] = None,
) -> Any:
    """Revive a LangChain class from a JSON string.
    Equivalent to `load(json.loads(text))`.
    Args:
        text: The string to load.
        secrets_map: A map of secrets to load.
        valid_namespaces: A list of additional namespaces (modules)
            to allow to be deserialized.
    Returns:
        Revived LangChain objects.
    """
    return json.loads(text, object_hook=Reviver(secrets_map, valid_namespaces))
[docs]def load(
    obj: Any,
    *,
    secrets_map: Optional[Dict[str, str]] = None,
    valid_namespaces: Optional[List[str]] = None,
) -> Any:
    """Revive a LangChain class from a JSON object. Use this if you already
    have a parsed JSON object, eg. from `json.load` or `orjson.loads`.
    Args:
        obj: The object to load.
        secrets_map: A map of secrets to load.
        valid_namespaces: A list of additional namespaces (modules)
            to allow to be deserialized.
    Returns:
        Revived LangChain objects.
    """
    reviver = Reviver(secrets_map, valid_namespaces)
    def _load(obj: Any) -> Any: