Ernesto wrote:
> > > tn = telnetlib.Telnet("localhost",6000)
> > > print tn.read_all()
> > > # CRASH
> >
> > that's an unusual error message. are you sure you didn't get a
> > traceback? if so, what did it say?
>
> I was running it directly in a python shell. After the tn.read_all()
> call, the python shell window freezes up, and I have to do a hard
> termination of the shell. There is no traceback message, just a freeze.
hmm. that hardly qualifies as a "CRASH"; rather, it's pretty much
what you'd expect from a read_all call:
>>> help(tn.read_all)
Help on method read_all in module telnetlib:
read_all(self) method of telnetlib.Telnet instance
Read all data until EOF; block until connection closed.
(note the "block until connection closed" part)
what happens if you use a non-blocking method instead ? e.g.
>>> help(tn.read_very_eager)
Help on method read_very_eager in module telnetlib:
read_very_eager(self) method of telnetlib.Telnet instance
Read everything that's possible without blocking in I/O (eager).
Raise EOFError if connection closed and no cooked data
available. Return '' if no cooked data available otherwise.
Don't block unless in the midst of an IAC sequence.
</F>
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