def updateStatus(self):
        # self.status is not RN_PAUSED and time elapsed is enough
        if time.time() > (self.lastAliveTime + singletonconfig.conf["COMMUNICATION"]["RN_TIMEOUT"]):

            # set the status of a render node to RN_UNKNOWN after TIMEOUT seconds have elapsed since last update
            # timeout the commands running on this node
            if RN_UNKNOWN != self.status:
                LOGGER.warning("rendernode %s is not responding", self.name)
                self.status = RN_UNKNOWN
                if self.commands:
                    for cmd in self.commands.values():
                        cmd.status = CMD_TIMEOUT
                        self.clearAssignment(cmd)
            return
        # This is necessary in case of a cancel command or a mylawn -k
        if not self.commands:
            # if self.status is RN_WORKING:
            #     # cancel the command that is running on this RN because it's no longer registered in the model
            #     LOGGER.warning("rendernode %s is reported as working but has no registered command" % self.name)
            if self.status not in (RN_IDLE, RN_PAUSED, RN_BOOTING):
                #LOGGER.warning("rendernode %s was %d and is now IDLE." % (self.name, self.status))
                self.status = RN_IDLE
                if self.currentpoolshare:
                    self.currentpoolshare.allocatedRN -= 1
                    self.currentpoolshare = None
            return
        commandStatus = [command.status for command in self.commands.values()]
        if CMD_RUNNING in commandStatus:
            self.status = RN_WORKING
        elif CMD_ASSIGNED in commandStatus:
            self.status = RN_ASSIGNED
        elif CMD_ERROR in commandStatus:
            self.status = RN_FINISHING
        elif CMD_FINISHING in commandStatus:
            self.status = RN_FINISHING
        elif CMD_DONE in commandStatus:
            self.status = RN_FINISHING  # do not set the status to IDLE immediately, to ensure that the order of affectation will be respected

        elif CMD_TIMEOUT in commandStatus:
            self.status = RN_FINISHING

        elif CMD_CANCELED in commandStatus:
            for cmd in self.commands.values():
                # this should not happened, but if it does, ensure the command is no more registered to the rn
                if cmd.status is CMD_CANCELED:
                    self.clearAssignment(cmd)
        elif self.status not in (RN_IDLE, RN_BOOTING, RN_UNKNOWN, RN_PAUSED):
            LOGGER.error("Unable to compute new status for rendernode %r (status %r, commands %r)", self, self.status, self.commands)

    ## releases the finishing status of the rendernodes
    #
Update rendernode status according to its states: having commands or not, commands status, time etc
dataset/ETHPy150Open mikrosimage/OpenRenderManagement/src/octopus/dispatcher/model/rendernode.py/RenderNode.updateStatus