dolfin team mailing list archive

[Bartosz Sawicki <sawickib@xxxxxxxxxxxxx>]

On 19/12/08 03:04 PM, Anders Logg wrote:
> On Fri, Dec 19, 2008 at 01:31:21PM -0700, Bartosz Sawicki wrote:
> > On 19/12/08 01:02 PM, Anders Logg wrote:
> > > On Fri, Dec 19, 2008 at 11:55:16AM -0700, Bartosz Sawicki wrote:
> > > > In current version of dolfin (freshly recompiled), pydolfin doesn't work 
> > > > at all.
> > > > This ipython error log should be enough to find the problem.
> > > >
> > > > In [19]: import dolfin
> > > > ---------------------------------------------------------------------------
> > > > ImportError                               Traceback (most recent call last)
> > > >
> > > > /home/sawickib/fenics/test/<ipython console> in <module>()
> > > >
> > > > /home/sawickib/dolfin/local/lib/python2.5/site-packages/dolfin/__init__.py
> > > > in <module>()
> > > >       14 # Imports from Python code
> > > >       15 from constants import *
> > > > ---> 16 from assemble import *
> > > >       17 from constant import *
> > > >       18 from specialfunctions import *
> > > >
> > > > /home/sawickib/dolfin/local/lib/python2.5/site-packages/dolfin/assemble.py
> > > > in <module>()
> > > >       23 # Import FFC and SWIG-generated extension module (DOLFIN C++)
> > > >       24 import ffc
> > > > ---> 25 import cpp
> > > >       26
> > > >       27 # Local imports
> > > >
> > > > /home/sawickib/dolfin/local/lib/python2.5/site-packages/dolfin/cpp.py
> > > > in <module>()
> > > >        5 # This file is compatible with both classic and new-style classes.
> > > >        6
> > > > ----> 7 import _cpp
> > > >        8 import new
> > > >        9 new_instancemethod = new.instancemethod
> > > >
> > > > ImportError: 
> > > > /home/sawickib/dolfin/local/lib/python2.5/site-packages/dolfin/_cpp.so:
> > > > undefined symbol: _ZNK6dolfin8Function4evalEPdRKNS_4DataE
> > > >
> > > >
> > > > BArtek
> > > No problems here. Are you sure you have pulled the latest sources?
> > >
> > > The missing symbol refers to (checked with c++filt):
> > >
> > >   dolfin::Function::eval(double*, dolfin::Data const&) const
> > >
> > > and it's there in Function.cpp.
> > Yes, I'm sure that what I have is the latest version.
> > But you are right, that the problem is less general that I've thought.
> >
> > Normal python scripts works fine. The problem is with ipython. When it 
> > tries to "import dolfin", I still have this error.
> >
> > Two days ago ipython and dolfin works very fine, so I suspected that 
> > some recent patch broke something.
> >
> > BArtek
>
> Strange, both python and ipython work for me.

After heavy cleaning, the problem disappeared.  Too many dolfin versions 
on one system - this was probably the reason.
Sorry for troubling you.

BArtek


> Anyone else?
>
>
>
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