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Multiprocessing test/gui_mp.py

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+# Test Code for Tkinter with threads
+import tkinter as Tk
+import multiprocessing
+from Queue import Empty, Full
+import time
+
+class GuiApp(object):
+   def __init__(self,q):
+      self.root = Tk.Tk()
+      self.root.geometry('300x100')
+      self.text_wid = Tk.Text(self.root,height=100,width=100)
+      self.text_wid.pack(expand=1,fill=Tk.BOTH)
+      self.root.after(100,self.CheckQueuePoll,q)
+
+   def CheckQueuePoll(self,c_queue):
+      try:
+         str = c_queue.get(0)
+         self.text_wid.insert('end',str)
+      except Empty:
+         pass
+      finally:
+         self.root.after(100, self.CheckQueuePoll, c_queue)
+
+# Data Generator which will generate Data
+def GenerateData(q):
+   for i in range(10):
+      print("Generating Some Data, Iteration %s" %(i))
+      time.sleep(2)
+      q.put("Some Data from iteration %s \n" %(i))
+
+
+if __name__ == '__main__':
+# Queue which will be used for storing Data
+
+   q = multiprocessing.Queue()
+   q.cancel_join_thread() # or else thread that puts data will not term
+   gui = GuiApp(q)
+   t1 = multiprocessing.Process(target=GenerateData,args=(q,))
+   t1.start()
+   gui.root.mainloop()
+
+   t1.join()
+   t2.join()