def checkDependency(action, outputs):
    if hasattr(action, "depends"):
        stop = any(
                dependency in outputs["stopsignals"]
                for dependency in action.depends
            )
        
        if stop:
            return True

    return False

def addStopSignal(action, outputs):
    if hasattr(action, "depends"):
        outputs["stopsignals"].append(action.alias)

    return outputs