[Tkinter-discuss] thread module

Tim Jones timj at tolisgroup.com
Tue Apr 1 17:26:32 CEST 2008

On Apr 1, 2008, at 6:05 AM, Amit Finkler wrote:
> Hi,
> Following a previous post of mine (http://mail.python.org/pipermail/ 
> tkinter-discuss/2008-March/001320.html), I finally managed to start  
> a new thread using the thread module. This new thread is started by  
> clicking on a button on my Tkinter GUI and it just continuously  
> plots a graph using matplotlib.
> Now, however, a new problem arises - how does one close the  
> thread??? The function this thread starts has a Ctrl-C Exception  
> which works fine if the thread module is not used. Now, however,  
> pressing Ctrl-C does nothing. The thread has a life of its own!!!
> Your help will be greatly appreciated.

The simplest solution is to set a global flag "QuitThread" and set it  
to False while running.  Then, allow the user to click a button and  
then set the value to True.  In the thread, check the value of the  
variable and exit if it's True.


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