Fixed file load naming and added period sorting constraint.

simulation/simulation_thread.py

@@ -37,6 +37,9 @@ class SimulationThread(threading.Thread):
         for period in self.periods:
             period["timestart"] = datetime.time.fromisoformat(period["timestart"])
 
+        # Essential - periods are assumed to be in chronological order
+        self.periods.sort(key=lambda x: x["timestart"])
+
     def signal_stop(self):
         self.mutex.acquire()
         self.running = False

trafficlightfrontend/apps.py

@@ -26,9 +26,8 @@ class TrafficlightfrontendConfig(AppConfig):
 
         print("Traffic Light Frontend: initialization.")
         print("Current working directory: {}".format(os.getcwd()))
-        print(settings.BASE_DIR)
 
-        periods = json.load(open("states.json"))
+        periods = json.load(open("periods.json"))
 
         SimulationThread.get_instance(periods, start_time=datetime.time.fromisoformat("07:59"), time_factor=4.0).start()