[Twisted-Python] calling unix commands

Itamar Shtull-Trauring itamar at itamarst.org
Fri Sep 12 22:16:17 EDT 2003

On Sat, 6 Sep 2003 13:07:09 -0400 (EDT)
Konrad Rokicki <konrad at wam.umd.edu> wrote:

> Hey everyone,
> I'm having a problem calling a unix comand from inside a twisted
> program.. I do
> 	os.popen(cmd).readlines()
> and I sporadically get:
> 	IOError: [Errno 4] Interrupted system call
> Sounds like it might be an async problem.. is there a preferred way to
> do this in twisted?

reactor.spawnProcess. I'm pretty sure we have a HOWTO on this.

Itamar Shtull-Trauring    http://itamarst.org/
Available for Python & Twisted consulting

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