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Date: Sun, 28 Apr 2013 19:10:17 -0400
From: Dave Angel <davea@davea.name>
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Subject: Re: Unwanted window spawns when using Tkinter with multiprocessing.
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On 04/28/2013 06:23 PM, alternative00@rocketmail.com wrote:
> Sorry for my bad english.
>
> Here's my code :
>
>      def key(event):
>
>          instance = 'Instance'
>          touche = 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)
>
> 'key' is the tkinter function wich gets the pressed key.
> 'player' is the function playing a specific wav file depending on wich key is pressed, that's why its argument is 'hitkey'. It uses the winsound module.
>
> What spawns new windows is theorically the multiprocessing line of code, even if it's inside the 'key' function.
>

Do you have an

if __name__ == "__main__":

clause in your main script?  Are you bypassing the gui event loop on the 
secondary process?  Otherwise, it's your code that's launching the extra 
window.

And what OS are you running on?


-- 
DaveA