On Thu, Feb 12, 2009 at 3:44 PM, mercado <python.de...@gmail.com> wrote:
> I have the following piece of code that is bugging me:
>
> #-------------------------------------------------------------------------------
> def someFunc(arg1, arg2=True, arg3=0):
> print arg1, arg2, arg3
>
> someTuple = (
> ("this is a string",),
> ("this is another string", False),
> ("this is another string", False, 100)
> )
>
> for argList in someTuple:
> if len(argList) == 1:
> someFunc(argList[0])
> elif len(argList) == 2:
> someFunc(argList[0], argList[1])
> elif len(argList) == 3:
> someFunc(argList[0], argList[1], argList[2])
> #-------------------------------------------------------------------------------
>
> Is it possible to rewrite this code so I don't have that awkward if
> statement at the bottom that passes every variation in the number of
> arguments to the function? I know that it's possible to define a function
> to accept a variable number of parameters using *args or **kwargs, but it's
> not possible for me to redefine this function in the particular project I'm
> working on.
There is a nicely symmetrical calling syntax that does the inverse of
* in a function declaration:
for argList in someTuple:
someFunc(*argList)
There's also an analogous func(**dictOfKwdArgs) call syntax.
Cheers,
Chris
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