Jorgen Grahn wrote:
On Wed, 5 Nov 2008 08:19:34 -0800 (PST), [EMAIL PROTECTED]
<[EMAIL PROTECTED]> wrote:
On Nov 5, 5:12 pm, Michele Petrazzo
<[EMAIL PROTECTED]> wrote:
Hi all, I believe that this is a *nix question, but since I'm
developing in python, I'm here.
I have a code that execute into a "Popen" a command (ssh). I need
that,
What's 'a "Popen"'? Is it os.popen or one of its variants?
Popen is the default python Popen:
from subprocess import Popen, PIPE
cmd = "ssh -C -N -i keys/id_rsa_key -L remote:ip:local [EMAIL PROTECTED]"
cmd_p = Popen(cmd.split(), stdout=PIPE, stderr=PIPE)
Do you read from it or write to it? If you do both, you should use
something like the third-party module pexpect instead.
Nothing. I do only a tunnel
To reliably have the child exit when the parent exits, you would
have to poll for the parent from the child and do a exit when the
child detects that the parent has gone away.
But in the special case where he's feeding data into "ssh somewhere
somecmd" or pulling data from it, a crash of the parent should make
"somecmd" exit because it sees EOF, and thus make the ssh process
end. Sounds relatively risk-free -- but it depends on "somecmd".
Interesting. So, how I have to modify my code (if I can)? Add an stdin?
/Jorgen
Thanks,
Michele
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