[Tutor] Help me : Why this code is not working??

[Asrarahmed Kadri]

Thanks a lot.
It was quick.
I will send the traceback from now on.

-Asrar


On 10/13/06, Luke Paireepinart <rabidpoobear at gmail.com> wrote:
>
> Asrarahmed Kadri wrote:
> >
> >
> > I have created two buttons. The code for button2 is not working as I
> > want it to be. When I click button2, the application should exit, but
> > it isnt.
> > Can someone fix it??
> >
> > from Tkinter import *
> > from tkMessageBox import *
> >
> > def callback():
> >     showinfo('message','I am here...')
> >
> > def QUIT():
> >     ans = askyesno('Confirm','Do you really want to quit?')
> >     if ans:
> >         root.exit
> >
> SEND US THE TRACEBACK!!!! :)
> Don't just tell us that something doesn't work.
> The traceback contains valuable information that tells you (or us) how
> to debug it.
> In this case,the traceback was
> #//////
> Exception in Tkinter callback
> Traceback (most recent call last):
> File "C:\Python24\lib\lib-tk\Tkinter.py", line 1345, in __call__
>    return self.func(*args)
> File "C:/Python24/temp.py", line 10, in QUIT
>    root.exit
> File "C:\Python24\lib\lib-tk\Tkinter.py", line 1654, in __getattr__
>    return getattr(self.tk, attr)
> AttributeError: exit
> #\\\\
> Okay, so what do we see here?
> Start reading from the bottom.
> AttributeError: exit.
> okay, so that means that we tried to access a method or a variable of a
> class,  and it wasn't  there.
> It lacked that attribute.
>
> Which class was it?
> looking further up the stack, we see where we access 'exit.'
> line 10, in QUIT:
> root.exit
>
> This means that whatever class root is an instance of doesn't have a
> method named exit.
>
> Remember, the computer is stupid.  To the computer, 'exit' and 'quit'
> mean something as different
> as 'root beer' and 'trash can' would to us.  The method you're trying to
> access is called 'quit', not 'exit'
> That's your first problem.
>
> The second problem you have, is that you're not calling this method,
> you're just accessing it, which doesn't really do anything.
> What you'll want to do is
> root.quit()
>
> and not
> root.quit
>
> HTH,
> -Luke
>



-- 
To HIM you shall return.
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