def reload()

in hpcpack-autoscaler/src/cyclecloud-hpcpack/hpcnodehistory.py [0:0]

• 25 lines of code
• 10 McCabe index (conditional complexity)

    def reload(self) -> None:
        nodehistory = {}
        if os.path.exists(self.__statefile):
            try: 
                with open(self.__statefile, 'r') as f:
                    encodedContent = f.read()
                    nodehistory = jsonpickle.decode(encodedContent)
            except Exception as ex:
                logging.warning("Failed to load history information from {}: {}".format(self.__statefile, ex))

        if nodehistory:
            # If file was updated 7 days ago, do not load it
            if nodehistory["updated"] + timedelta(days=7) > datetime.utcnow() and nodehistory["updated"] < datetime.utcnow():
                self.__items.clear()
                try:
                    items: List[NodeHistoryItem] = nodehistory["items"]
                    self.__items.extend(items)
                    # if file was updated 3 minutes ago, the idle_from time is not correct
                    if nodehistory["updated"] + timedelta(minutes=3) < datetime.utcnow():
                        logging.warning("The loaded history information was updated 3 minutes before, clear idle_from ...")
                        for n in self.__items:
                            if not n.stopped:
                                n.idle_from = None
                    logging.info("Loaded node history HpcNodeHistory(updated={}, items={})".format(nodehistory["updated"], self.items))
                except:
                    self.__items.clear()
            else:
                logging.warning("The loaded history information is out-dated, discard it")