[py-dev] issues running py.execnet

[holger krekel]

Hi Sol (i am adding py-dev again to CC), 

On Fri, Jan 11, 2008 at 16:22 -0500, Sol Simpson wrote:
> If I put a gw.exit() at the end of the script, then it ends OK.
> 
> Is that all it was, that I did not have and exit at the end of the script?

ah - i initially thought that the "channel.receive()" call 
itself hang and not the try to leave the python interpreter.

Indeed, you should "gw.exit()" - the automatic cleanup semantics 
(at process exit) are not reliable yet throughout python versions, 
i am afraid. 

best,

holger

> -----Original Message-----
> From: holger krekel [mailto:holger at merlinux.de] 
> Sent: January 11, 2008 4:10 PM
> To: Sol Simpson
> Cc: py-dev at codespeak.net
> Subject: Re: [py-dev] issues running py.execnet
> 
> Hi Sol, 
> 
> could you maybe edit 
> 
>     py/execnet/gateway.py 
> 
> in line 29, enabling the writing to the debug file? 
> and try the example and send the content 
> of the created debug file(s) here? 
> 
> Could you also see what ">>> gw" gives before 
> channel.receive() is called? 
> 
> best, 
> 
> holger
> 
> On Fri, Jan 11, 2008 at 14:13 -0500, Sol Simpson wrote:
> > Hi holger,
> > 
> > Thanks for the reply.
> > 
> > Print gw:
> > 
> > <PopenGateway receiving/sending (0 active channels)>
> > 
> > Print: gw.remote_exec("channel.send(42)").receive()
> > 
> > Hangs like before.
> > 
> > I am running 0.9.0, compiled using setup.py
> > 
> > I have tried with stackless python 2.5.1 and standard python 2.5.1.
> > 
> > Please let me know fi there is something else I can try.
> > 
> > Thanks again,
> > 
> > Sol Simpson
> > SR Research Ltd.
> > 
> > -----Original Message-----
> > From: holger krekel [mailto:holger at merlinux.de] 
> > Sent: January 11, 2008 12:00 PM
> > To: Sol Simpson
> > Cc: py-dev at codespeak.net
> > Subject: Re: [py-dev] issues running py.execnet
> > 
> > Hi Sol, 
> > 
> > i tried the example with the 0.9.0 py release on my Windows XP box
> > with Python 2.5.1 - works for me. 
> > 
> > are you also using 0.9.0? 
> > 
> > Could you give me the output of
> >     
> >     >>> gw
> > 
> > and
> > 
> >     >>> gw.remote_exec("channel.send(42)").receive()
> > 
> > ?
> > 
> > best, 
> > 
> > holger
> > 
> > On Thu, Jan 10, 2008 at 16:53 -0500, Sol Simpson wrote:
> > > I'm trying to test out py.execnet running one of the examples:
> > > 
> > >  
> > > 
> > > import py
> > > 
> > > gw = py.execnet.PopenGateway()
> > > 
> > > channel = gw.remote_exec("""
> > > 
> > >             import os
> > > 
> > >             channel.send(os.getpid())
> > > 
> > >             """)
> > > 
> > > remote_pid = channel.receive()
> > > 
> > > print remote_pid != py.std.os.getpid()
> > > 
> > >  
> > > 
> > > The issue is that the program hangs on the channel.receive() call. In
> task
> > > manager I can see that a second python.exe has been launched, but that
> is
> > > it. The only way to exit the app is to kill one of the python.exe in the
> > > task manager.
> > > 
> > >  
> > > 
> > > Any insight would be very helpful.
> > > 
> > >  
> > > 
> > > I'm running python 2.5.1 on Windows XP SP2.
> > > 
> > >  
> > > 
> > > Thank you,
> > > 
> > >  
> > > 
> > > Sol
> > > 
> > >  
> > > 
> > 
> > > _______________________________________________
> > > py-dev mailing list
> > > py-dev at codespeak.net
> > > http://codespeak.net/mailman/listinfo/py-dev
> > 
> > 
> > -- 
> > merlinux GmbH       
> > http://merlinux.de  
> > 
> 
> -- 
> merlinux GmbH       
> http://merlinux.de  
> 

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