Interacting with a process that I ran with subprocess module

[py.adriano at gmail.com]

Well...

I found pexpect as you said, but I also found that it doesn't work on
windows. I need a cross-platform solution, as the program is going to
run on several operating systems. Any other sugestion?

Cheers!

Diez B. Roggisch wrote:
> py.adriano at gmail.com schrieb:
> > Hi folks,
> >
> > I'm trying to use the nmap runtime interaction feature while using it
> > with the subprocess module. For those not familiar with nmap, the
> > runtime interaction feature allow users to get informations about the
> > scan stats during the nmap execution. More at:
> > http://www.insecure.org/nmap/man/man-runtime-interaction.html
> > If someone want to try, just run nmap and try to type some keys to see
> > what happens. This only works with nmap 4.00 and above.
> >
> > Ok.. What I've tried is shown below:
> >
> > from subprocess import Popen, PIPE
> > nmap = Popen("nmap -T3 -A 10.0.0.1-254", stdin=PIPE, stdout=PIPE,
> > stderr=PIPE, shell=True, bufsize=1)
> >
> > To interact with nmap, I tried:
> >
> > nmap.communicate("?")
> >
> > And I tried this, also:
> >
> > nmap.stdin.write("?")
> > nmap.stdout.read()
> >
> > What's wrong? Is that suposed to be this way? Is there a better way to
> > interact with it that I've missed? Any help is very welcome. Thanks in
> > advance!
>
> Programs that interact with users usually require a terminal to be run
> from. This is not the case when using pipes. Use pexpect.
> 
> Diez