Numpy-f2py troubles

bernhard.voigt at gmail.com bernhard.voigt at gmail.com
Wed Oct 18 14:50:11 CEST 2006


Hi Andrea,

you should post this to the numpy list:
numpy-discussion at lists.sourceforge.net

Cheers! Bernhard

Andrea Gavana schrieb:

> Hello NG,
>
>     I am using the latest Numpy release 1.0rc2 which includes F2PY. I
> have switched to Python 2.5 so this is the only alternative I have
> (IIUC). With Python 2.4, I was able to build a very simple fortran
> extension without problems.
>
> My extension contains 4 subroutines that scan a file and do simple operations.
> Now, attempting to run the second subroutine as:
>
> dprops, dwgnames, dunits = readsmspec.readsmspec(smspec, dimens)
>
> Prompt a ValueError from Python:
>
>   File "D:\MyProjects\Carolina\MainPanel.py", line 894, in ReadSMSPECFile
>     dprops, dwgnames, dunits = readsmspec.readsmspec(smspec, dimens)
> ValueError: data type must provide an itemsize
>
> ?!? I have never seen anything like that and googling around didn't
> give me any answer. The function accepts two inputs:
>
> - smspec: a filename, maximum 1000 characters long
> - dimens: an integer
>
> and returns 3 array of chars, each of them with size (8, dimens). Does
> anyone know what I may be doing wrong?
>
> Thank you very much for every pointer.
>
>
> --
> Andrea.
>
> "Imagination Is The Only Weapon In The War Against Reality."
> http://xoomer.virgilio.it/infinity77/




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