[Tkinter-discuss] New member howdy And is there a better way to use Buttons ?

[Bob Greschke]

On Jun 12, 2008, at 12:22, Guilherme Polo wrote:

>>
>> ######################
>> # BEGIN: class Command
>> # LIB:Command():2006.110
>> # Pass arguments to functions from button presses and menu  
>> selections! Nice!
>> # In your declaration:  ...command = Command(func, args,...)
>> # Also use in bind() statements
>> #     x.bind("<****>", Command(func, args...))
>> class Command:
>>   def __init__(self, func, *args, **kw):
>>       self.func = func
>>       self.args = args
>>       self.kw = kw
>>   def __call__(self, *args, **kw):
>>       args = self.args+args
>>       kw.update(self.kw)
>>       apply(self.func, args, kw)
>> # END: class Command
>>
>
> You don't need all that machinery tho, something simpler like:
>
> def command(func, *args, **kw):
>    def _wrapper(*wargs):
>        return func(*(wargs + args), **kw)
>
>    return _wrapper
>
> would work too. But considering that code is using "apply", I will
> take it as really old and outdated by now.


Ooo.  Much better.  I got mine from Grayson's book which says it  
originally came from a Tim Evans post to the Python newsgroup.

Thanks!

Bob