On Nov 1, 8:53 pm, Lord Eldritch <lord_eldri...@yahoo.co.uk> wrote: > Hi > > Maybe this is maybe something it has been answered somewhere but I haven't > been able to make it work. I wanna pass one variable to a callback function > and I've read the proper way is: > > Button(......, command=lambda: function(x)) > > So with > > def function(a): print a > > I get the value of x. Ok. My problem now is that I generate the widgets in a > loop and I use the variable to 'label' the widget: > > for x in range(0,3): Button(......, command=lambda: function(x)) > > so pressing each button should give me 0,1,2. > > But with the lambda, I always get the last index, because it gets actualized > at each loop cycle. Is there any way to get that?
for x in range(0,3): Button(..., command=functools.partial(function, x)) With the functools standard module that appeared in version 2.5, I hardly ever use lambdas in Tkinter callbacks now. > Thanks in advance! HTH -- http://mail.python.org/mailman/listinfo/python-list
