tkinter: Passing arguments when binding keys to functions

Antonio Cuni cuniREMOVE_THIS at programmazione.it
Fri Jan 10 19:09:39 CET 2003


Tim Daneliuk wrote:

> for x in range(len(array)):
> y = array[x]
> widget.bind('<F' + str(x+1) + '>', lambda arg=y : CommonHandler(arg))
> 
> Is this general approach valid?

I usually use something like this:

def make_handler(arg)
    def handler():
        print arg
    return handler

widget.bind('<F1>', make_handler(arg))

I think it's clearer than his lambda cousin, but they should be 
equivalent.

ciao Anto
-- 
"Computer science is not about computers any more than astronomy
is about telescopes." -- EW Dijkstra




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