always getting 'None' return value from PyObject_CallObject

[NotGuru]

On Mar 23, 6:43 pm, Gal Aviel <galav... at yahoo.com> wrote:
> Hello all,
>
> Kinda desperate over here .. Any help would be greatly appreciated !
>
> I'm trying to embed a Python interpreter inside a Verilog simulator as a
> SystemVerilog DPI application. The python side implements a few SV exported
> tasks. I've got a thin C shared library as the dpi app; all it does it get the
> task arguments from the simulator and hand those to the Python side using the
> Python C API.
>
> I followed '5.3 Pure Embedding' under Python 2.5 documentation very closely.
>
> When calling a function defined in my module, the function executes Ok - it sees
> the correct arguments being passed from C, and executes 100% - only the return
> value is always 'None' (I tried returning a simple integer like '5' which
> doesn't work).
>

I met similar problems before and I guess you can try to start from a
minimum version that f takes no arguments. If your can't pass the
right argument to f, it will always return none without any prompt.