Add tutorial models

examples/tutorial_classic/trafficlight_system.py

@@ -0,0 +1,32 @@
+### Model
+from pypdevs.DEVS import *
+
+from trafficlight import TrafficLight
+from policeman import Policeman
+
+def convert_police2light(evt):
+    if evt == "take_break":
+        return "toAuto"
+    elif evt == "go_to_work":
+        return "toManual"
+
+class TrafficLightSystem(CoupledDEVS):
+    def __init__(self):
+        CoupledDEVS.__init__(self, "system")
+        self.light = self.addSubModel(TrafficLight())
+        self.police = self.addSubModel(Policeman())
+        self.connectPorts(self.police.out, self.light.interrupt, convert_police2light)
+
+    def select(self, imm):
+        if self.police in imm:
+            return self.police
+        else:
+            return self.light
+
+### Experiment
+from pypdevs.simulator import Simulator
+sim = Simulator(TrafficLightSystem())
+sim.setVerbose()
+sim.setTerminationTime(1000)
+sim.setClassicDEVS()
+sim.simulate()