def relative_to_ztp(ztp, time_, resolution="seconds"):
"""Returns the relative time between the given time_ (datetime) and the ztp (TimeStamp)"""
if time_.isoformat().startswith("9999-12-31T"):
r_time = float('inf')
else:
r_time = TimeStamp.from_datetime(time_).get_difference(ztp, resolution)
return r_time
def is_executable(self):
current_time = TimeStamp()
start_time = TimeStamp.from_datetime(self.start_time)
if start_time < current_time:
return True
else:
return False
def fetch(self):
try:
self.logger.debug("Fetching timetable of robot %s", self.robot_id)
timetable_mongo = TimetableMongo.objects.get_timetable(self.robot_id)
self.stn = self.stn.from_dict(timetable_mongo.stn)
self.dispatchable_graph = self.stn.from_dict(timetable_mongo.dispatchable_graph)
self.ztp = TimeStamp.from_datetime(timetable_mongo.ztp)
self.stn_tasks = {task_id: STNTask.from_dict(task) for (task_id, task) in timetable_mongo.stn_tasks.items()}
except DoesNotExist:
self.logger.debug("The timetable of robot %s is empty", self.robot_id)
# Resetting values
self.stn = self.stp_solver.get_stn()
self.dispatchable_graph = self.stp_solver.get_stn()
def get_current_timestamp(self):
if self.simulator:
return TimeStamp.from_datetime(self.simulator.current_time)
else:
return TimeStamp()
