def warn_if_varying_node_config_options()

in elastic_transport/_transport.py [0:0]

• 19 lines of code
• 6 McCabe index (conditional complexity)

def warn_if_varying_node_config_options(node_configs: List[NodeConfig]) -> None:
    """Function which detects situations when sniffing may produce incorrect configs"""
    exempt_attrs = {"host", "port", "connections_per_node", "_extras", "ssl_context"}
    match_attr_dict = None
    for node_config in node_configs:
        attr_dict = {
            field.name: getattr(node_config, field.name)
            for field in dataclasses.fields(node_config)
            if field.name not in exempt_attrs
        }
        if match_attr_dict is None:
            match_attr_dict = attr_dict

        # Detected two nodes that have different config, warn the user.
        elif match_attr_dict != attr_dict:
            warnings.warn(
                "Detected NodeConfig instances with different options. "
                "It's recommended to keep all options except for "
                "'host' and 'port' the same for sniffing to work reliably.",
                category=TransportWarning,
                stacklevel=warn_stacklevel(),
            )