validation.py 文件源码

def validate_links(links):
    """Validate links to make sure, nothing is missing

    :type links: dict
    :param links: connection links to validate
    :raises: SchemaError -- if any link is missing
    """
    missing = set([])
    all_keys = set(links.keys())
    for connections in links.values():
        for component in connections:
            if component not in all_keys:
                missing.add(component.id())
    if len(missing) > 0:
        raise voluptuous.Invalid([
            "In connections section, the following components are not "
            "connected\n\t{}\n"
            "please modify the configuration so that their list of "
            "connections is at least '[]'".format(", ".join(missing))], [])