[CIG-SHORT] Problem on the installation of Pylith

[Ikuo Cho]

Dear pylith developers,

I have installed Pylith from the source code into a Linux machine with specification:

OS: Fedora Core 8
CPU: Intel(R) Pentium(R) D CPU 3.00GHz
uname -m = i686
uname -r = 2.6.24.5-85.fc8
uname -s = Linux
uname -v = #1 SMP Sat Apr 19 12:39:34 EDT 2008

As a note, I installed Python2.5.2 to /home/beowulf/local and export 
PYTHONPATH=/home/beowulf/local/lib/python2.5/site-packages
although I have another python version 2.5.1 in the system directory
/usr. I installed pylith so that it does NOT depend on MPICH but MPICH2.

No noticeable warning was found in the installation process of Pylith,
but I was not able to run it correctly. To be specific, I tried to run
Pylith in the directory
/home/beowulf/Shoyu_cho.1.3.1/pylith-1.3.1/examples/3d/hex8 by typing 
“ pylith dislocation.cfg”. However, I only obtained the following
messages.

[beowulf at localhost hex8]$ pylith dislocation.cfg 
Traceback (most recent call last):
  File "/home/beowulf/local/bin/pylith", line 31, in <module>
    from pylith.PyLithApp import PyLithApp
  File "/home/beowulf/local/lib/python2.5/site-packages/pylith/PyLithApp.py", line 17, in <module>
    from mpi import Application
  File "/home/beowulf/local/lib/python2.5/site-packages/pythia-0.8.1.7-py2.5.egg/mpi/__init__.py", line 14, in <module>
    from _mpi import *
ImportError: No module named _mpi

Could you tell me what happened? 
I append two make.log files to this maiil and I think that the following
information obtained from the python shell is useful to make a diagnosis.

[beowulf at localhost ~]$ python
Python 2.5.2 (r252:60911, Mar 16 2009, 16:42:20) 
[GCC 4.1.2 20070925 (Red Hat 4.1.2-33)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', '/home/beowulf/local/lib/python2.5/site-packages/merlin-1.6.egg', '/home/beowulf/local/lib/python2.5/site-packages/pythia-0.8.1.7-py2.5.egg', '/home/beowulf/local/lib/python2.5/site-packages/Cheetah-2.0rc8-py2.5-linux-i686.egg', '/home/beowulf/local/lib/python2.5/site-packages', '/home/beowulf/local/lib/python25.zip', '/home/beowulf/local/lib/python2.5', '/home/beowulf/local/lib/python2.5/plat-linux2', '/home/beowulf/local/lib/python2.5/lib-tk', '/home/beowulf/local/lib/python2.5/lib-dynload']
>>> 
>>> import mpi
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/beowulf/local/lib/python2.5/site-packages/pythia-0.8.1.7-py2.5.egg/mpi/__init__.py", line 14, in <module>
    from _mpi import *
ImportError: No module named _mpi

Also,

[beowulf at localhost ~]$ nemesis
Python 2.5.2 (r252:60911, Mar 16 2009, 16:42:20) 
[GCC 4.1.2 20070925 (Red Hat 4.1.2-33)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import _mpi
>>> 

After all, the nemesis  seems to have been installed correctly and I
have a single MPI installation on this machine (I installed MPI for
Pylith). Also, I made sure the correct 'mpiexec' and 'python' in my path
when installing nemesis. 

Ikuo Cho
----------------------------------------------------------
Geological Survey of Japan,
National Institute of Advanced Industrial Science and Technology
Tsukuba Central 7, Tsukuba 305-8567 Japan
Tel +81-29-861-3891, Fax +81-29-861-3682
----------------------------------------------------------
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