In article <[EMAIL PROTECTED]>,
Carl J. Van Arsdall <[EMAIL PROTECTED]> wrote:
>Well, although you spawn seperate telnet processes there is still only
>one thread of control in your pythons script. If you need to do two
>things simultaneously you'll need to setup a parallel control
>mechanism. For example you could use python threads, each thread spawns
>a separate telnet and controls it accordingly. Similarly, you could
>fork off other python scripts that control each telnet session.
>
>Alright, so that's for controlling two telnets at once. I think you'll
>have another problem, and that's controlling each telnet session
>manually. To do this I think you'll need to setup an interface that
>provides the two consoles you are after. I'm not exactly sure the best
>way to do that. One thought I have is if you used one of the various
>GUI toolkits you could have your app open a window that is seperated
>into two consoles. Each thread could be bound to one of these consoles
>and you could switch between the two by clicking on one side versus the
>other. Although if you want to do it all in a shell, or have your
>program open multiple shells I'm not sure how to do that, you might
>check google. I suppose if you were doing things from a single shell
>and wanted to do thing similar to the GUI toolkit I described earlier,
>you could try something like ncurses.
>
>I guess I have one final idea, you could use a single shell, buffer
>output from each telnet session and have your main control loop give you
>the ability to switch back and forth between the two sessions.
>
>Anyhow, hope those ideas help you out a little.
>
>vmalhotra wrote:
>> Hi
>>
>> I am new in python scripting. I want to open a Multiple telnet session
>> through once script. In other way i can tell i want to open two linux
>> consoles through one script.
>>
>> I wrote one script, but the issue is I am not able to open multiple
>> consoles. The Scripts which i wrote is as follows:
>>
>> import pexpect
>> session = pexpect.spawn("telnet localhost 2601\n")
>> session.expect("Password: ")
>> session.send("XYZ\n\n")
>> session.expect("Router1> ")
>> session1 = pexpect.spawn("telnet localhost 2604\n")
>> session1.expect("Password: ")
>> session1.send("ABCD\n\n")
>> session1.expect("ospfd> ")
>> #session1.interact()
>> session1.interact()
>>
>> output :
>> ospf>
>>
>> But in this case, i want in one console router one can open and on
>> other console ospf should open. But this i want to do is through one
>> script only.
.
.
.
While pexpect makes these matters feasible, the Tcl-based
Expect <URL: http://wiki.tcl.tk/expect > has had years more
practice dealing with concurrency and its consequences. If
this problem were mine, I'd start with Expect.
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