def _is_valid_datatype(datatype_instance):
    """
    Returns true if datatype_instance is a valid datatype object and false otherwise.
    """

    # Remap so we can still use the python types for the simple cases
    global _simple_type_remap
    if datatype_instance in _simple_type_remap:
        return True

    # Now set the protobuf from this interface.
    if isinstance(datatype_instance, (Int64, Double, String, Array)):
        return True

    elif isinstance(datatype_instance, Dictionary):
        kt = datatype_instance.key_type

        if isinstance(kt, (Int64, String)):
            return True

    return False
def _is_valid_datatype ( datatype_instance ) : global _simple_type_remap if datatype_instance in _simple_type_remap : return True if isinstance ( datatype_instance , ( Int64 , Double , String , Array ) ) : return True elif isinstance ( datatype_instance , Dictionary ) : kt = datatype_instance . key_type if isinstance ( kt , ( Int64 , String ) ) : return True return False
Returns true if datatype_instance is a valid datatype object and false otherwise.