msgs = []  # in-memory list of recent messages for new websocket clients; also logged to file via notify.eventlog
class Data:

    def __init__(self, config):
        self.config = config
        self.data = {}
    
    def update(self, new_data):
        self.data.update(new_data)
    
    def get(self, key, default=None):
        return self.data.get(key, default)