SSH utility

Edwin.Madari at VerizonWireless.com Edwin.Madari at VerizonWireless.com
Mon Aug 11 14:17:28 CEST 2008


for similar tasks, I use pexpect http://pypi.python.org/pypi/pexpect.

spawning bash process and simulate an interactive session. Here sending ls command, retrieving results and exiting. In the spawned process ssh or any other command, is just another command. 

------------actual session--------------------------
$ python
Python 2.5.1 (r251:54863, May 18 2007, 16:56:43) 
[GCC 3.4.4 (cygming special, gdc 0.12, using dmd 0.125)] on cygwin
Type "help", "copyright", "credits" or "license" for more information.
>>> import pexpect
>>> c = pexpect.spawn('/bin/bash')
>>> c.expect([pexpect.TIMEOUT, pexpect.EOF, '\$ '])
2
>>> c.before, c.after
('\x1b[?1034hmadared at NJWARHQD0IT696A:~\r\n', '$ ')
>>> c.sendline('ls')
3
>>> c.expect([pexpect.TIMEOUT, pexpect.EOF, '\$ '])
2
>>> c.before, c.after
('ls\r\x.txt  xx.txt  xy.txt  y.txt\r\nmadared at NJWARHQD0IT696A:~\r\n', '$ ')
>>> c.sendline('exit')
5
>>> c.expect([pexpect.TIMEOUT, pexpect.EOF, '\$ '])
1
>>> c.before, c.after
('exit\r\nexit\r\n', <class 'pexpect.EOF'>)
>>> exit()
madared at NJWARHQD0IT696A:~
$ 
---------------------------------------------------------------

hope that helps.

regards.
Edwin


-----Original Message-----
From: python-list-bounces+edwin.madari=verizonwireless.com at python.org
[mailto:python-list-bounces+edwin.madari=verizonwireless.com at python.org]
On Behalf Of James Brady
Sent: Monday, August 11, 2008 12:26 AM
To: python-list at python.org
Subject: SSH utility


Hi all,
I'm looking for a python library that lets me execute shell commands
on remote machines.

I've tried a few SSH utilities so far: paramiko, PySSH and pssh;
unfortunately all been unreliable, and repeated questions on their
respective mailing lists haven't been answered...

It seems like the sort of commodity task that there should be a pretty
robust library for. Are there any suggestions for alternative
libraries or approaches?

Thanks!
James
--
http://mail.python.org/mailman/listinfo/python-list



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