There are several ways to use Secure Shell (SSH) in Python.
pyssh
[http://pyssh.sourceforge.net/ pyssh website] -- project home page
[http://sourceforge.net/mailarchive/forum.php?forum=pyssh-discuss pyssh mailing list] -- not very active (Date(2006-03-26T00:20:01Z))
paramiko
Paramiko is a native Python implementation of SSH.
[http://www.lag.net/paramiko/ paramiko website] -- project home page
[http://www.experts-exchange.com/Programming/Programming_Languages/Python/Q_21507060.html conversation on Experts Exchange] -- features a working example at the end of the page
SSH wrapper
Some tools just wrap around existing ssh/sftp implementations.
[http://www.keyphrene.com/products/org.keyphrene/ keyphrene SSH wrapper, UNIX]
[http://membres.lycos.fr/fredp/python/pyscp.html PySCP pscp wrapper] -- wraps Windows pscp, which is part of [http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html the Putty suite]
See Also
[http://py.vaults.ca/apyllo.py?find=ssh ssh search] -- on the VaultsOfParnassus
[http://en.wikipedia.org/wiki/SSH Wikipedia:SSH] -- wikipedia article on Secure Shell
Discussion
I'm investigating the use of SSH in Python.
I want something that will work in both Windows and Linux, that can operate like sftp/psftp. So, I'm thinking about paramiko, since it's pure Python.