def METHOD_NAME(cls, dic):
    """Build a RunConf from a python dictionary"""
    return cls(
        dic["source"],
        dic["dest"],
        dic.get("through", []),
        dic.get("input_file", None),
        dic.get("output_file", None),
        dic.get("dry_run", False),
        dic.get("quiet_run", False),
        dic.get("csv", False),
        dic.get("profiled_stages", None),
    )