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Re: mod_wsgi



On Tue, Mar 09, 2010 at 09:34:37AM +0000, Paul Howarth wrote:
> On 08/03/10 21:00, Toshio Kuratomi wrote:
> >On Mon, Mar 08, 2010 at 01:13:01PM -0700, Stephen John Smoogen wrote:
> >>On Mon, Mar 8, 2010 at 11:20 AM, Josh Kayse<josh kayse gtri gatech edu>  wrote:
> >>>I have recently acquired mod_wsgi commit permissions and am going through
> >>>some of the open bugs for it on bugzilla.  According to [1], and from my
> >>>testing, mod_wsgi and mod_python conflict resulting in apache segfaulting.
> >>>  The policy currently states that no packages in EPEL may conflict with a
> >>>package from Red Hat Base.  Technically, mod_wsgi and mod_python conflict
> >>>with each other, but mod_python is optional.
> >>
> >>Oi this is where lawyers are born.. because it looks like we are going
> >>to have enough corner cases that the policy is going to be 10 miles
> >>long to cover them all.
> >>
> >>EPEL packages can Conflict with RHEL-AP packages, but they can't willy
> >>nilly replace them. I would rather have an explicit conflict with
> >>mod_wsgi and mod_python in packages than have broken systems. Would a
> >>Conflicts cause any other issues between two repositories?
> >>
> >Question: For mod_wsgi/mod_python Can we do something like this (note:
> >I don't know what the real apache syntax would be or if it's quite
> >possible):
> >
> ><IfNotModule mod_python.c>
> >LoadModule mod_wsgi.so
> ></IfNotModule>
> 
> The syntax would be:
> 
> <IfModule !mod_python.c>
>     LoadModule wsgi_module modules/mod_wsgi.so
> </IfModule>
> 
> >Note that this can still cause breakage if apache parses mod_python's
> >LoadModule after mod_wsgi's though.
> 
> True, but in the out-of-the-box configuration, mod_python would be
> loaded first from /etc/httpd/conf.d/python.conf and then mod_wsgi
> from /etc/httpd/conf.d/wsgi.conf based on alphabetical order.
> 

Tough to "policy-ify" that though.  What if a module happens to come
before python.conf alphabetically?

Unless we start requiring that Apache modules that conflict with
mod_python be made to load after it (python_amodule.conf for example).

Ray


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