RE: Communication between remote scripts
From: Tim Golden (tim.golden_at_viacom-outdoor.co.uk)
Date: 09/14/04
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To: python-list@python.org Date: Tue, 14 Sep 2004 14:27:32 +0100
| In article <MPG.1bb0b7d621a77bc598968c@news2.atlantic.net>,
| secun@yahoo.com says...
| > I have a python script (A) that monitors a process (3rd
| party) on the
| > local machine (Windows).
| >
| > I would like to create a second program on a remote Windows
| computer
| > that receives an update from program A periodically (maybe every 10
| > minutes or so), and tells it everything is running without
| a problem.
| >
| > Can anyone recommend a good (and preferably simple) way for
| two programs
| > to communicate on a network?
| Am I correct in saying that remote objects are not really needed for
| this?
You have several options:
1) Email: sounds silly but is a perfectly reasonable solution if
you already had email infrastructure on both machines and
weren't that bothered about real time.
2) UDP heartbeat: see this recipe in the Python Cookbook.
http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52302
3) xml-rpc: see the Python docs.
http://python.org/doc/2.3.4/lib/module-xmlrpclib.html
4) Pyro (Python Remote Objects). See http://pyro.sf.net.
I suspect you don't want this, given your follow-up
question. But it will work and is easy enough.
5) Straight socket server stuff. Again, python docs.
http://python.org/doc/2.3.4/lib/module-SocketServer.html
6) SOAP / DCOM (if you fancy your chances) / CORBA, other acronyms.
Personally, I think xml-rpc is a good way to go for
general purpose stuff. But since you're really just
after a heartbeat, the UDP solution might be best.
TJG
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