When you installed STAF, did you select the Python 2.6 support as the
default? STAF installs Python libraries for Python 2.2, 2.3, 2.4., 2.5,
and 2.6 on Linux, and Python 2.2 is the default. So if you ran the
following,
# export PYTHONPATH=/usr/local/staf/lib
# /opt/Python-2.6/bin/python test.py
Traceback (most recent call last):
File "test.py", line 1, in <module>
from PySTAF import *
File "/usr/local/staf/lib/PySTAF.py", line 9, in <module>
import PYSTAF
ImportError: /usr/local/staf/lib/PYSTAF.so: undefined symbol:
Py_InitModule4
Note you get this error since PYTHONPATH was set to /usr/local/staf/lib,
which will contain the default PYSTAF.so file (for Python 2.2), and Python
2.2 and 2.6 are not compatible.
If you change PYTHONPATH to include the Python 2.6 library file
(/usr/local/staf/lib/python26/PYSTAF.so), then Python 2.6 should work
fine:
# export PYTHONPATH=/usr/local/staf/lib/python26:/usr/local/staf/lib
# /opt/Python-2.6/bin/python test.py
RC: 0, Result: PONG
Or, you could reinstall STAF and select Python 2.6 as the default.
You can find more information in the STAF Python User's Guide
(http://staf.sourceforge.net/current/STAFPython.htm) and the STAF
Installation Guide (http://staf.sourceforge.net/current/STAFInstall.pdf).
Thanks,
David
David Bender
STAF/STAX Development
IBM Software Group, WPLC
11501 Burnet Rd.
Bldg. 903-5B002
Austin, TX 78758-3400
Phone (T/L): 1-512-286-5315 (363-5315)
ITN: 23635315
Email: bda...@us.ibm.com
Brian Williams <brian.willi...@unboundid.com>
07/31/2009 02:27 PM
To
staf-users@lists.sourceforge.net
cc
Subject
[staf-users] PySTAF on 64-bit linux: Py_InitModule4 vs Py_InitModule4_64
Hello,
On 64-bit Ubuntu, with STAF 3.3.4.1 for amd64 and python 2.6.1.
Has anyone encountered a problem importing PySTAF with the missing
symbol Py_InitModule4?
Apparently on 64-bit linux, in libpython2.[56].so, the symbol is renamed
to Py_InitModule4_64.
I receive the following error on import:
from PySTAF import *
File "/usr/local/staf/lib/PySTAF.py", line 9, in <module>
import PYSTAF
ImportError: /usr/local/staf/lib/PYSTAF.so: undefined symbol:
Py_InitModule4
Thanks,
Brian
[attachment "smime.p7s" deleted by David Bender/Austin/IBM]
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