os.system questions

[Eric Price]

Oops! The problem isn't in the os.system call. It's in the fact that I don't 
call the function. That is, I write a script called "test.py" with a 
function in it called "freshReboot". Now, how do I call that function from 
test.py? That is, how do I write a cron event such that "freshReboot" 
actually gets called when I run test.py?
TIA,
Eric


>From: "Eric Price" <soyouthinkimgonnalikethis at hotmail.com>
>To: khemkaamit at gmail.com
>CC: python-list at python.org
>Subject: Re: os.system questions
>Date: Sat, 31 Mar 2007 09:33:03 -0400
>
>Great! That seems to work fine:
>
>#!/usr/local/bin/python
>import re, os
>
>def freshReboot():
>	up = os.popen('uptime').readlines()
>	up = up[0]
>	if re.search('day|hour', up):
>		pass
>	else:
>		tup = re.split('min', up)
>		first = tup[0]
>		n = len(first)
>		char = first[n-3:n-2]
>		if re.match(' ', char):
>			os.system("/usr/local/etc/rc.d/zz_mysql_starter_script.sh")
>
>However, I don't see evidence that the os.system call at the end actually
>executes said script. The reason for this screwy script is because MySQL
>doesn't set the proper environment on boot and that screws up my Zope
>instances. So, I'll cron this script to run every 6 mins. If the server has
>been up less than 10 mins, this script will run. So, I rebooted the server
>and ran the script. But it didn't execute the os.system script at the end!
>If I run this from the python prompt instead:
>
>import re, os
>
>def a():
>	up = os.popen('uptime').readlines()
>	up = up[0]
>	up = " 7:25AM  up 2 mins, 1 user, load averages: 2.42, 1.01, 0.41"
>	if re.search('day|hour', up):
>		pass
>	else:
>		tup = re.split('min', up)
>		first = tup[0]
>		n = len(first)
>		char = first[n-3:n-2]
>		if re.match(' ', char):
>			print "gotcha!"
>
>it prints "gocha!" Now, that substitution for the "up" var is what I got as
>output from the "uptime" command at the shell prompt. So, obviously, it
>should be running the script! What am I doing wrong?
>TIA,
>Eric
>
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