[Tutor] after(), how do I use it?

[Adam Bark]

On 26/04/11 01:36, michael scott wrote:
> Hello, I asked for help in another location and it solved my problem, 
> but the only problem is I don't fully understand the after function. 
> Here is part of the code that was given to me.
>
>
>     def print_label_slowly(self, message):
>         '''Print a label one character at a time using the event loop'''
>         t = self.label.cget("text")
>         t += message[0]
>         self.label.config(text=t)
>         if len(message) > 1:
>             self.after(500, self.print_label_slowly, message[1:])
>
> I understand it, and the gist of how it works, but the self.after... I 
> can not find any documentation on it (because after is such a common 
> word), so can you guys tell me how it works. Is this a built in 
> function (didn't see it on the built in function list)? Does it always 
> take 3 arguements? Is this a user made function and I'm just 
> overlooking where it was defined at?

The function you have shown there appears to be a class method. 
self.after means you are calling another method of the same function 
that print_label_slowly is a part of.
Do you have the rest of the code? If you're still confused post it and 
hopefully we can clear it up for you.

HTH,
Adam.