[newbie] trying socket as a replacement for nc

Jean-Michel Pichavant jeanmichel at sequans.com
Mon Dec 16 17:44:31 CET 2013


> This is what I got using telnet:
> [jean:~] $ telnet 10.128.59.63 7000
> Trying 10.128.59.63...
> Connected to 10.128.59.63.
> Escape character is '^]'.
> *IDN?
> KEITHLEY INSTRUMENTS INC.,MODEL 2425,1078209,C32   Oct  4 2010
> 14:20:11/A02  /E/
>                                                                  H
> 
> after pressing CTRL-ALT-ALTGR-] I get this:
> ^[^]
> after which I get the telnet-prompt
> >telnet
> and I can quit telnet by entering quit
> 
> 
> kind regards,
> jean
> --
> https://mail.python.org/mailman/listinfo/python-list


Looks like you don't have any prompt.
Try something simple first:

import telnetlib
host = '10.128.59.63'
port = 7000
t = Telnet(host, port)

def flush()
  t.read_very_eager()

def sendCmd(cmd)
  t.write('%s\n' % cmd)
  return flush()

flush()
print sendCmd('*IDN?')
print sendCmd('*OPC?')


JM


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