from .utils import Spec, expand DOMAIN_CONNECTION = expand( type=Spec(types=list, required=True, item_scheme=None), connect=str, cpp_connect=str, ) DOMAIN_SCHEME = expand( id=Spec(types=str, required=True, item_scheme=None), label=str, color=str, multiple_connections_per_input=bool, multiple_connections_per_output=bool, templates=Spec(types=list, required=False, item_scheme=DOMAIN_CONNECTION) )