Hi, First, you need to understand that STAX uses Jython 2.1, which is equivalent to Python 2.1. The Python documentation for subprocess (http://docs.python.org/library/subprocess.html#subprocess-replacements) indicates that it was added in Python 2.4, so it is not available with Jython 2.1. Furthermore, in the STAX User's Guide section "Appendix F: Jython and CPython Differences" (http://staf.sourceforge.net/current/STAX/staxug.html#Header_CPythonDiffs) it is documented that "Some standard CPython modules depend on operating system calls that are not available under Java. The most notable of these is os, which actually does run in Jython, but is missing much of its functionality."
There are other ways you could do this. For example, you could just run
the "ps -ea...." via a <process> element. For example:
<process>
<location>'local'</location>
<command mode="'shell'">'ps -eaf | grep %s' %
(processname)</command>
<stderr mode="'stdout'"/>
<returnstdout/>
</process>
<message log="1">STAXResult[0][1]</message>
Or, if you really wanted to run your Python code, you could have it in
a .py file on the system (and have Python 2.4 or later installed on the
system), and execute it via a process element:
<process>
<location>'local'</location>
<command mode="'shell'">'/opt/Python-2.4/bin/
python /tests/myscript.py'</command>
<stderr mode="'stdout'"/>
<returnstdout/>
</process>
Thanks,
David
David Bender 11501 Burnet Rd. Phone (T/L): 1-512-286-5315
STAF/STAX Development Bldg. 903-5B002 (363-5315)
Austin, TX ITN: 23635315
IBM Software Group, 78758-3400 Email: bda...@us.ibm.com
WPLC
From: "Raja Narayanan" <v_rajnara...@rediffmail.com>
To: "staf-users " <staf-users@lists.sourceforge.net>
Date: 03/18/2011 08:45 AM
Subject: [staf-users] HOW to run python code in STAX XML Program
Hello Staf-users,
Im trying to run the following python code in STAX XML program within
<script>. But facing RC:4001 error submitting executing request problem.
<script>
import os
import signal
import subprocess
# Change this to your process name
processname = "server"
def findThisProcess(process_name):
ps = subprocess.Popen("ps -eaf | grep "+process_name, shell=True,
stdout=subprocess.PIPE)
output = 'ps.stdout.read()'
ps.stdout.close()
ps.wait()
return output
</script>
Q1: Does the method I have followed is correct or not?
Q2: Do we need to set up python installer path or env variable need to set
before running the python code.
Please help
Thanks,
V Raja
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