RAIMAD

def export_cif(
        compo: 'rai.typing.CompoLike',
        dest: str | Path | TextIO | None = None,
        exporter: type[ExporterProto] | None = None,
        *args: Any,
        **kwargs: Any,
        ) -> str:
    """
    Export component to CIF.

    Parameters
    ----------
    compo: rai.typing.CompoLike
        The compo or proxy to export

    dest: str | Path | TextIO | None
        A path to a file or an already open file for saving the CIF
        output.
        If, instead of saving to disk, you want to have the CIF code
        as a string, set `dest` to None (or leave unset)
        and use this functions return value.

    exporter: ExporterProto
        The exporter to use. Currently, there is only one CIF exporter
        in RAIMAD.

    *args: Any
        Additional arguments will be passed to the the Exporter's __init__.

    *args: Any
        Additional keyword arguments will be passed
        to the the Exporter's __init__.

    Returns
    -------
        The generated CIF code is always returned as a string,
        regardless of what `dest` is set to.
    """
    exporter_instance = (exporter or rai.cif.NoReuse)(compo, *args, **kwargs)
    cif_string = exporter_instance.cif_string

    if dest is None:
        pass
    elif isinstance(dest, (str, Path)):
        with open(dest, 'w') as file:
            file.write(cif_string)
    elif hasattr(dest, 'write'):
        dest.write(cif_string)
    else:
        raise InvalidDestinationError(
            f"Invalid destination type {type(dest)}. "
            "Must be a file path or a file-like stream."
            )

    return cif_string