Re: Unwanted window spawns when using Tkinter with multiprocessing.

Date	2013-04-29 18:03 +0100
From	MRAB <python@mrabarnett.plus.com>
Subject	Re: Unwanted window spawns when using Tkinter with multiprocessing.
References	<7df67006-2176-42cb-a8ce-95a72339e7e2@googlegroups.com> <c3e24fc5-e593-4e69-bb57-5bd78dd3c6f2@googlegroups.com>
Newsgroups	comp.lang.python
Message-ID	<mailman.1156.1367254991.3114.python-list@python.org> (permalink)

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On 29/04/2013 16:31, alternative00@rocketmail.com wrote:
> My full code is :
>
>
> #Import
> from tkinter import *
> import wave
> import winsound
> import multiprocessing
>
> #Initialisation
> fenetre=Tk()
> frame = Frame(fenetre, width=200, height=100)
> instance = 'Instance'
>
>
> #Fonctions
>
> def key(event):
>
>      instance = 'Instance'
>      hitkey = event.char
>      instance = multiprocessing.Process(target=player, args=(hitkey,))
>      instance.start()
>
>
>
> def player(hitkey):
>
>
>      winsound.PlaySound(hitkey + '.wav', winsound.SND_FILENAME|winsound.SND_NOWAIT|winsound.SND_ASYNC)
>
>
>
> #TK
> frame.focus_set()
> frame.bind("<Key>", key)
> frame.pack()
> fenetre.mainloop()
>
> The problem is that I don't know where to put that clause.
>
I hope this helps:


#Import
from tkinter import *
import wave
import winsound
import multiprocessing


#Fonctions

def key(event):
     instance = 'Instance'
     hitkey = event.char
     instance = multiprocessing.Process(target=player, args=(hitkey,))
     instance.start()


def player(hitkey):
     winsound.PlaySound(hitkey + '.wav', 
winsound.SND_FILENAME|winsound.SND_NOWAIT|winsound.SND_ASYNC)


if __name__ == "__main__":
     # This part will be run if the file is run as the main script.
     #
     # The multiprocessing module will import this file to run the
     # "player" function, but __name__ won't be "__main__" when it does
     # so, therefore this bit of code won't be run.

     #Initialisation
     fenetre = Tk()
     frame = Frame(fenetre, width=200, height=100)
     instance = 'Instance'

     #TK
     frame.focus_set()
     frame.bind("<Key>", key)
     frame.pack()
     fenetre.mainloop()

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