[Tutor] Passing arguments to & running a python script on a remote machine from a python script on local machine .

[ashish makani]

On Thu, Sep 20, 2012 at 3:43 AM, eryksun <eryksun at gmail.com> wrote:

> On Wed, Sep 19, 2012 at 2:47 PM, ashish makani <ashish.makani at gmail.com>
> wrote:
> >
> > I tried this
> >>>> import os
> >>>> os.system ("ssh remoteuser at remote python remote.py arg1 arg2 arg3")
> >
> > This worked, but if the arguments i tried to pass, had spaces, i was not
> > able to 'escape' the spaces.
>
> Presuming "remote" has an SSH server running, and that a firewall
> isn't blocking port 22, and that you've enabled logging in without a
> password (i.e. ssh-keygen), try the following:
>
>     import sys
>>     import subprocess
>>     user = remoteuser
>>     hostname = remote
>>     cmd = 'python remote.py "%s" "%s" "%s"' % (arg1, arg2, arg3)
>>     try:
>>         out = subprocess.check_output(['ssh', '%s@%s' % (user,
>> hostname), cmd])
>>     except subprocess.CalledProcessError as e:
>>         print >>sys.stderr, str(e)   # handle/log the error, retry
>
>
This worked like a charm.
Thank you so much.
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