[mod_python] The DOs and DONTs of mod_python: second problem maybecornered.

Philippe C. Martin pmartin at snakecard.com
Tue Oct 18 20:52:50 EDT 2005


Hi,

I'm not sure that's enough info:

Just for my knowledge, why would that have an effect in apache and not the 
command line ?

Regards,

Philippe


[philippe at pcmsc philippe]$ python
Python 2.4.2 (#1, Oct 18 2005, 04:32:14)
[GCC 3.4.1 (Mandrakelinux 10.1 3.4.1-4mdk)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import pyexpat
>>> pyexpat.version_info
(1, 95, 8)
>>> import expat
Traceback (most recent call last):
  File "<stdin>", line 1, in ?
ImportError: No module named expat
>>>


[philippe at pcmsc SC]$ find /usr/lib/python2.4/ -name '*expat*' -exec ls -l {} 
\;
-rw-r--r--  1 root root 2586 Oct 18 
04:35 /usr/lib/python2.4/test/output/test_pyexpat
-rw-r--r--  1 root root 12012 Oct 18 
04:35 /usr/lib/python2.4/test/test_pyexpat.py
-rw-r--r--  1 root root 11514 Oct 18 
04:36 /usr/lib/python2.4/test/test_pyexpat.pyc
-rw-r--r--  1 root root 11514 Oct 18 
04:36 /usr/lib/python2.4/test/test_pyexpat.pyo
-rw-r--r--  1 root root 36379 Oct 18 
04:35 /usr/lib/python2.4/xml/dom/expatbuilder.py
-rw-r--r--  1 root root 31084 Oct 18 
04:36 /usr/lib/python2.4/xml/dom/expatbuilder.pyc
-rw-r--r--  1 root root 30453 Oct 18 
04:36 /usr/lib/python2.4/xml/dom/expatbuilder.pyo
-rw-r--r--  1 root root 112 Oct 18 
04:35 /usr/lib/python2.4/xml/parsers/expat.py
-rw-r--r--  1 root root 273 Oct 18 
04:36 /usr/lib/python2.4/xml/parsers/expat.pyc
-rw-r--r--  1 root root 273 Oct 18 
04:36 /usr/lib/python2.4/xml/parsers/expat.pyo
-rw-r--r--  1 root root 14408 Oct 18 
04:35 /usr/lib/python2.4/xml/sax/expatreader.py
-rw-r--r--  1 root root 13471 Oct 18 
04:36 /usr/lib/python2.4/xml/sax/expatreader.pyc
-rw-r--r--  1 root root 13471 Oct 18 
04:36 /usr/lib/python2.4/xml/sax/expatreader.pyo
-rwxr-xr-x  1 root root 436290 Oct 18 
04:33 /usr/lib/python2.4/lib-dynload/pyexpat.so



On Wednesday 19 October 2005 12:35 am, Graham Dumpleton wrote:
> Philippe C. Martin wrote ..
>
> > Hi,
> >
> > If any of you wish to look at this: this code works in command line, and
> > crashes with apache. Something I'm doing is really anoying minidom.
> >
> >
> > you can fetch the xml file responsible at: www.snakecard.com/mod_python
> >
> > Any help is greatly appreciated.
>
> I you are using a module which does XML processing and it is literally
> crashing, look at what version of the expat libraries that are installed
> on your system.
>
> A problem that can occur is that Python embeds a version of expat within
> its pyexpat module. If an incompatible version of expat is also linked
> in as a shared library, a crash generally occurs.
>
> To determine the version of expat embedded in Python, do from a command
>
> line run Python:
> >>> import pyexpat
> >>> pyexpat.version_info
>
> (1, 95, 6)
>
> Ensure that the version of any expat shared library is at least newer
> than that embedded into Python, or the same version if possible.
>
> Graham

-- 
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Philippe C. Martin
SnakeCard, LLC
www.snakecard.com
+1 405 694 8098
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