Problem with subprocess.call and windows schtasks
Tom Borkin
borkintom at gmail.com
Sun Nov 18 08:48:16 EST 2012
Hi,
I have this code:
#!\Python27\python
import subprocess
#subprocess.call(['SchTasks /Create /SC ONCE /TN "My Tasks" /TR "C:/Program
Files/Apache Group/Apache2/htdocs/ccc/run_alert.py" /ST 07:50'], shell=True)
subprocess.call(['SchTasks /Create /SC ONCE /TN "test" /TR "run_alert.py"
/ST 07:50'], shell=True)
With either call, I get this error:
C:\Program Files\Apache Group\Apache2\htdocs\ccc>cron_alert_activity.py
The system cannot find the path specified.
If I remove the ", shell=True" I get this:
C:\Program Files\Apache Group\Apache2\htdocs\ccc>cron_alert_activity.py
C:\Program Files\Apache Group\Apache2\htdocs\ccc\cron_alert_activity.py,
line 4, in <module>
subprocess.call(['SchTasks /Create /SC ONCE /TN "test" /TR "run_alert.py"
/ST 07:50'])
File "C:\Python27\lib\subprocess.py", line 493, in call
return Popen(*popenargs, **kwargs).wait()
File "C:\Python27\lib\subprocess.py", line 679, in __init__ errread,
errwrite)
File "C:\Python27\lib\subprocess.py", line 896, in _execute_child
startupinfo)
WindowsError: [Error 2] The system cannot find the file specified
The file exists in said directory. I can execute it from the cmd prompt.
So I tried this:
pgm = "SchTasks"
args = ['/Create /SC ONCE /TN "test" /TR "run_alert.py" /ST 07:50']
#args = ['/Create', '/SC ONCE', '/TN "test"', '/TR "run_alert.py"', '/ST
07:50']
cmd = [pgm]
cmd.extend(args)
subprocess.Popen(cmd, stdout=subprocess.PIPE).communicate()[0]
but got this error:
ERROR: Invalid argument/option - <<the above argument>>
If I use the other args list I get this error:
ERROR: Invalid argument/option - '/SC ONCE'
so apparently it liked the first argument.
Please advise.
TIA,
Tom
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