modified: noblocking_turtle_shell.py
This commit is contained in:
parent
5b578b6fde
commit
80be82544c
@ -1,7 +1,7 @@
|
||||
import cmd
|
||||
import threading
|
||||
|
||||
from queue import Queue
|
||||
from queue import Queue, Empty
|
||||
|
||||
from equipment.turtle_device import TurtleDevice
|
||||
|
||||
@ -13,6 +13,17 @@ class TurtleDeviceThread(threading.Thread):
|
||||
self.device = TurtleDevice()
|
||||
self.queue = Queue()
|
||||
|
||||
def run(self):
|
||||
while True:
|
||||
try:
|
||||
item = self.queue.get()
|
||||
except self.queue.Empty:
|
||||
continue
|
||||
else:
|
||||
if (item == 'exit'):
|
||||
break
|
||||
self.device.execute(item[0], item[1:])
|
||||
self.queue.task_done()
|
||||
|
||||
class NoBlockingTurtleShell(cmd.Cmd):
|
||||
intro = 'Welcome to the turtle shell. Type help or ? to list commands.\n'
|
||||
@ -20,16 +31,16 @@ class NoBlockingTurtleShell(cmd.Cmd):
|
||||
file = None
|
||||
|
||||
def __init__(self, turtle_thread: TurtleDeviceThread):
|
||||
pass # TODO(Homework 4)
|
||||
self.turtle_thread = TurtleDeviceThread()
|
||||
|
||||
def do_execute(self, arg):
|
||||
pass # TODO(Homework 4)
|
||||
self.turtle_thread.queue.put(arg)
|
||||
|
||||
def do_exit(self, arg):
|
||||
pass # TODO(Homework 4)
|
||||
self.turtle_thread.queue.put('exit')
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
turtle_thread = TurtleDeviceThread()
|
||||
# TODO(Homework 4: Correct start thread)
|
||||
turtle_thread.start()
|
||||
NoBlockingTurtleShell(turtle_thread).cmdloop()
|
Loading…
Reference in New Issue
Block a user