Tkinter widgets: Write options *and* option tags dynamically from dictionary?
Eric Brunel
eric.brunel at pragmadev.com
Mon Feb 4 05:30:14 EST 2002
Hi,
> Laura, I don't think,
>
> widget=widgetType(master, **mydict)
>
> is necessary. I have tried
>
> widget=widgetType(master, mydict)
>
> with mydict={'text':'hello', 'relief':'sunken'}. It worked without the
> two stars.
The second form is Tkinter specific. All methods/constructors are defined
like that:
def m(parent, optionDict={}, **options)
So it allows to pass the options either as a regular dictionary, or as named
parameters.
> Aren't the two stars just necessary for function calls with variable
> length key parameters?
I admit I didn't know about the m(**dict) syntax, but in the general case,
it is indeed required. Using the "apply" stuff also works.
HTH
- eric -
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