[mod_python] sporadic import errors...

--- Guido van Rossum <guido at python.org> wrote:
> 
> Here's my analysis of the case.  Looking at the source code of os.py:
> 
> def _get_exports_list(module):
>     try:
>         return list(module.__all__)
>     except AttributeError:
>         return [n for n in dir(module) if n[0] != '_']
> 
> the AttributeError should be caught -- but it isn't!  I think this is
> because each Python interpreter instance initializes its own copy of
> the exceptions -- but store them in a global shared by all instances
> running in the same process!
> 
> > the biggest problem i'm having (besides the error itself) is that i
> > can't figure out any way to tell which subinterpreter i am in when
> > these errors happen. i've poked through the documentation and
> > pythonrun.c to no avail.
> 
> Can you try this with Python 2.2c1?  I think we've fixed it there. 
> If
> you can't try 2.2c1, try the patch to pythonrun.c from rev 2.143 to
> 2.144:
>
http://cvs.sourceforge.net/cgi-bin/viewcvs.cgi/python/python/dist/src/Python/pythonrun.c.diff?r1=2.143&r2=2.144.

i didn't have an opportunity to try with 2.2c1, but the patch against
2.1.1 seems to have fixed the problem.

thanks much,

cva

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