dolfin team mailing list archive

[Johan Hake <hake@xxxxxxxxx>]

On Thursday 22 January 2009 16:29:58 A Navaei wrote:
> Hi,
>
> Since updating to 0.9.0-1+intrepid1, when calling FunctionSpace in
> python, I receive the following error generated by swig python
> wrapper:
>
> Traceback (most recent call last):
>   File "../tests/test04.py", line 15, in <module>
>     V = FunctionSpace(mesh, "CG", 1)
>   File "/usr/lib/python2.5/site-packages/dolfin/functionspace.py",
> line 183, in __init__
>     FunctionSpaceBase.__init__(self, mesh, element)
>   File "/usr/lib/python2.5/site-packages/dolfin/functionspace.py",
> line 48, in __init__
>     self.__dolfin_element = cpp.FiniteElement(self.__ufc_element)
>   File "/usr/lib/python2.5/site-packages/dolfin/cpp.py", line 9755, in
> __init__ this = _cpp.new_FiniteElement(*args)
> TypeError: in method 'new_FiniteElement', argument 1 of type 'std::string'
>
> Clean re-installation did hot help this. Any idea what could be wrong?

Hello Ali!

The error is that swig cannot recognize the type of the self.__ufc_element, 
when creating a cpp.FiniteElement. The ufc_element is generated by ffc.

Do you use the development version of any packages, for example ffc or ufc? 
These are not compatible with the ubuntu package of DOLFIN.

Johan