How to realize ssh & scp in Python

[Jeff Epler]

Rather than doing anything with passwords, you should instead use public
key authentication.  This involves creating a keypair with ssh_keygen,
putting the private key on the machine opening the ssh connection
(~/.ssh/id_rsa), then listing the public key in the remote system's
~/.ssh/authorized_keys.

If you don't want to use this approach, `pexpect'[1] is supposed to be able
to perform this sort of tasks, and one of its examples is called
`sshls.py'.  I just downloaded it, and after changing the ssh
commandline to include
    -o 'PreferredAuthentications password'
it worked for me.  In another recent thread, a different poster claimed
it didn't work, so your results may vary.

Jeff
[1] http://pexpect.sourceforge.net/
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