On Wednesday, July 17, 2013 6:07:22 PM UTC+8, Dave Angel wrote:
> On 07/16/2013 11:04 PM, fronag...@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

Yes, based on advice from this thread, I'm doing that. From my main thread, I 
create a thread that handles the download while updating a variable that the 
mainloop displays as a text output, and in that mainloop, I have a while loop 
that updates the GUI until the downloading is done.
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