HW4_first_com

noblocking_turtle_shell.py

@@ -1,5 +1,7 @@
 import cmd
 import threading
+from threading import Thread
+from threading import Event
 
 from queue import Queue
 
@@ -7,11 +9,26 @@ from equipment.turtle_device import TurtleDevice
 
 
 class TurtleDeviceThread(threading.Thread):
-    # TODO(Homework 4)
+
+    # TODO(Homework 4) \begin
+    def __message_processing__(self):
+        while True:
+            new_message = self.queue.get()
+            print("Name and args of action are {}".format(new_message))
+            #self.device.
+            self.queue.task_done()
+            if self.event.is_set():
+                break
+    def __message_thread__(self):
+        thread = Thread(target = __message_processing__, daemon=True)
+        thread.start()
+    # TODO(Homework 4) \end
+
     def __init__(self):
         super().__init__()
         self.device = TurtleDevice()
         self.queue = Queue()
+        self.event = Event()
 
 
 class NoBlockingTurtleShell(cmd.Cmd):
@@ -20,13 +37,20 @@ class NoBlockingTurtleShell(cmd.Cmd):
     file = None
 
     def __init__(self, turtle_thread: TurtleDeviceThread):
-        pass  # TODO(Homework 4)
+        # TODO(Homework 4) \begin
+        turtle_thread.__message_thread__()
+        # TODO(Homework 4) \end
 
     def do_execute(self, arg):
-        pass  # TODO(Homework 4)
+        # TODO(Homework 4) \begin
+        turtle_thread.queue.put(arg)
+        # TODO(Homework 4) \end
 
     def do_exit(self, arg):
-        pass  # TODO(Homework 4)
+        # TODO(Homework 4) \begin
+        turtle_thread.event.set()
+        # TODO(Homework 4) \end
+
 
 
 if __name__ == '__main__':