Greetings:
I installed FEniCS 1.5.0 on Ubuntu MATE 15.10 using the default Ubuntu PPA:
sudo apt-get install fenics
However, when I attempt to execute 'from dolfin import *' or 'from fenics
import *',
I receive the following message:
---------------------------------------------------------------------
DOLFIN runtime dependency is not met.
Install the following python module: 'ffc'
and make sure its location is listed in PYTHONPATH.
----------------------------------------------------------------------
'python -v' returns:
Python 2.7.10 (default, Oct 14 2015, 16:09:02)
[GCC 5.2.1 20151010] on linux2
'dpkg -l | grep python-ffc' returns:
ii python-ffc 1.5.0-3 amd64 compiler for finite element
variational forms
'dpkg -l | grep python-ufl' returns:
ii python-ufl 1.6.0-1 all unified language
for form-compilers
ii python-ufl-doc 1.6.0-1 all documentation and
demos for UFL
'locate fenics' returns (among other things):
/usr/lib/python2.7/dist-packages/fenics
/usr/share/doc/fenics
'locate ffc' returns (among other things):
/usr/lib/python2.7/dist-packages/ffc
/usr/share/doc/python-ffc
PYTHONPATH environment variable (from running 'env' in bash terminal):
PYTHONPATH=/usr/lib/python2.7/dist-packages/fenics:/usr/lib/python2.7/dist-packages/ffc
'python -c "import ffc; print ffc.__version__"' returns:
Traceback (most recent call last):
File "<string>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/ffc/__init__.py", line 18, in <module>
from ffc.compiler import compile_form, compile_element
File "/usr/lib/python2.7/dist-packages/ffc/compiler.py", line 130, in <module>
from ffc.codegeneration import generate_code
File "/usr/lib/python2.7/dist-packages/ffc/codegeneration.py", line 38, in
<module>
from ffc.evaluatebasis import _evaluate_basis, _evaluate_basis_all
File "/usr/lib/python2.7/dist-packages/ffc/evaluatebasis.py", line 41, in
<module>
from ffc.quadrature.symbolics import create_float, create_float,
create_symbol,\
File "/usr/lib/python2.7/dist-packages/ffc/quadrature/__init__.py", line 1,
in <module>
from .quadraturerepresentation import compute_integral_ir
File
"/usr/lib/python2.7/dist-packages/ffc/quadrature/quadraturerepresentation.py",
line 39, in <module>
from ffc.quadrature.quadraturetransformer import QuadratureTransformer
File
"/usr/lib/python2.7/dist-packages/ffc/quadrature/quadraturetransformer.py",
line 44, in <module>
from ufl.algorithms.printing import tree_format
ImportError: No module named printing
Any help would be greatly appreciated.
Thank you,
-- Josh Engwer
PhD Student in Applied Mathematics
Department of Mathematics & Statistics
Texas Tech University
Lubbock, TX
USA
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