----- Original Message -----
From: "Ridzwan Aminuddin" <[EMAIL PROTECTED]>
To: "Dieter Maurer" <[EMAIL PROTECTED]>; <zope-dev@zope.org>
Cc: <zope-dev@zope.org>
Sent: Monday, February 12, 2007 10:41 PM
Subject: Re: [Zope-dev] Extrenal method unable to run the os.popen()
oros.system() commands
Hi!
Thanks for your reply. Honestly, I'm not sure why the external method is
skipped. I've tried several methods to debug and changed my python code to
see the effects.
I wrote another Java Jar. called test.jar that when executed prints out a
line to stdout and creates a text file to the same directory that the jar
is placed in. I placed this jar file as well as the external method python
file in the Extensions directory
/var/lib/zope2.8/instance/plone-site/Extensions
This is how the external method looks like:
def runYahooSearch2(self):
import os
homedir = os.getcwd()
# on my machine homedir is /var/lib/zope2.8/instance/plone-site
command = "java -jar "+ homedir + "/Extensions/test.jar"
whatisread = os.popen(command).read()
print whatisread
This external method is triggered in my DTML code. I've created other
external methods
before so i know i've done it right.. but the os.system() command for
java -jar just
doesn't seem to work. I've tried to use other commands such as "ls" which
works perfectly:
command = "ls"
whatisread = os.popen(command).read()
print whatisread
This will sucessfully list out all the files/folders in the working
directory.
Its just this java -jar which does not execute at all... I know it doesn't
execute at all
cos it doesn't output a file or print the string. If i manually type out
into the terminal
:
java -jar /var/lib/zope2.8/instance/plone-site/Extensions/test.jar
it works perfectly, it prints out the string as well as outputs a text
file into the directory the jar file is in.
But using the external method given above just gives me a blank output.
I've also tried popen2:
For executing system commands I have used "commands.getstatusoutput(...)"
in external methods with no problems.
Jonathan
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