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From: Dave Angel <davea@davea.name>
Subject: Re: tkinter redraw rates
Date: Wed, 17 Jul 2013 06:07:22 -0400
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On 07/16/2013 11:04 PM, fronagzen@gmail.com wrote:
> Noted on the quoting thing.
>
> Regarding the threading, well, first, I'm not so much a programmer as someone who knows a bit of how to program.
>
> And it seems that the only way to update a tkinter window is to use the .update() method, which is what I was experimenting with. Start up a new thread that just loops the .update() with a 1ms sleep until the download is done. It seems to work, actually.
>

update() is to be used when it's too awkward to return to mainloop.  In 
my second approach, you would periodically call it inside the processing 
loop.  But unless tkinter is unique among GUI's, it's unsafe to do that 
in any thread besides the GUI thread.



-- 
DaveA