Hi Mark,

I wonder if the EOFError in gencache.py described here

http://mail.python.org/pipermail/python-win32/2009-February/008770.html

has been resolved in more recent revisions?

We are hitting exactly the same problem when we are running multiple python processes.

Have you come up with any other workarounds?

Many thanks for your help!

Best wishes,
Paul



-----Original Message-----
From: python-win32-bounces+paul.bilokon=citi.com@[...].org [mailto:python-win32-bounces+paul
.bilokon=citi.com@[...].org] On Behalf Of Mark Hammond
Sent: 04 November 2009 22:33
To: Rob Brown-Bayliss
Cc: python-win32@[...].org
Subject: Re: [python-win32] multiprocessing pickle problem in win32

On 5/11/2009 4:57 AM, Rob Brown-Bayliss wrote:
>  On Wed, Nov 4, 2009 at 11:02 PM, Mark Hammond<skippy.hammond@[...].com>  wrote:
> 
> >
> > I'd try running it from python.exe to see if it is something funky
> > about the pythonwin execution environment...
> >
> 
>  Same result, cant pickle NoneType when I call start() on  the process
>  object, exact same code works with out error on linux so I have to
>  assume it's either a problem with multiprocessing on win32 or the
>  win32 machine is not set up properly, I am using active python on the
>  win32 box.

In that case you probably need to reduce your sample to the smallest possible code which dem
onstrates the problem.

(At face value, it almost looks like you have 2 discrete interpreters in the same process, s
o have 2 different 'None' objects, but that should be very difficult to make happen...)

Cheers,

Mark
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