help with Python C-API, tuple object

[fabian.conrad at gmail.com]

On May 12, 2:49 pm, "Carsten Haese" <cars... at uniqsys.com> wrote:
> On 11 May 2007 21:11:06 -0700, fabian.conrad wrote
>
> > Hi,
> > sorry for the rather basic question but I've searched everywhere and
> > don't find an answer.
> > I want to call PyObject_CallObject from the Python C-API and pass a
> > tuple I've created from a C-array
>
> > How can I pass the tuple as an object rather then having to declare
> > the python function with the number of arguments equal to the no of
> > elements in the tuple?
>
> The documentation athttp://docs.python.org/api/object.htmllists various Call
> flavors. The one you chose will unpack the tuple as if you called
> pFunc(*pArgs), which results in the undesired behavior of pFunc receiving
> three arguments. You want it to receive one argument that is the tuple pArgs.
>
> One (bad) way of achieving this would be to build another tuple of size one,
> stick pArgs into it, and pass that size-one tuple to PyObject_CallObject. A
> better way is to use PyObject_CallFunctionObjArgs. If I'm not mistaken, you'll
> want something like
>
> pValue = PyObject_CallFunctionObjArgs(pFunc, pArgs, NULL);
>
> Hope this helps,
>
> --
> Carsten Haesehttp://informixdb.sourceforge.net

Thanks billions!!! Works perfect, the world would be a lot worse
without Pro's like you guys helping newbies like me ;-)