[mod_python] Persistent variable again...

Chris Hagner CHagner at fool.com
Wed Apr 18 00:40:29 EST 2001

On the issue of supporting modules (i.e. user sessions), there are simply
too many ways to implement something like that to make it worth coupling it
to mod_python.  You'll either try to be too much for too many people (the
classic framework error) or you'll be so custom to your needs that your
audience is just you (not a bad thing, just not a place for a solution like

I completely agree with Grisha that even the handler is outside of the core
mod_python functionality.  That being said, a listing of available handlers
on the web site would be very useful for those starting/considering using
mod_python.  I do think that having this area up there (even it's a bit
spares initially) will motivate others to share their handlers/frameworks
that are used with mod_python.

What other handlers have people written?  I've got one that implements a
servlet-like call mechanism (thereby avoiding the urls being mapped to
script files).  It's not for everyone, but a perfect example of a decision
that was made for a specific need.


-----Original Message-----
From: Gregory (Grisha) Trubetskoy [mailto:grisha at modpython.org]
Sent: Tuesday, April 17, 2001 11:25 PM
To: Damjan
Cc: mod_python at modpython.org
Subject: Re: [mod_python] Persistent variable again...

In my (humble) opinion, things like this are outside the scope of
mod_python, since the goal of mod_python is apache/python integration -
not building web application frameworks. In other words, mod_python is
something that makes Apache internals available in Python to give the
developer more power and speed, it's not something to make web application
development necessarily easier.

There are a few of application frameworks out there that support
mod_python - webware is one of them. I don't know much about those things,
but I think they have features like state keeping, etc.

(To that extent, even the mod_python.publisher handler is outside the
scope of mod_python, but I am willing to pursue it since it is immediately
usable, it serves as good test for advanced mod_python capabilities and
it's a pretty a good mod_python example program.)

Ultimately, there should be an area on the website that lists mod_python
modules that do various things that aren't part of mod_python
distribution. Right now there aren't enough of them out there to justify
it, but eventually there will be I'm sure.

So if you develop something that serves a particular need, please post it
to the list, and eventually we will have a collection of mod_python
modules/examples/whatever that people can use.


On Wed, 18 Apr 2001, Damjan wrote:

> > I'm trying to implement session like mechanism using mod_python. If
> > interpreter is created in each processes, is there a way to make a
> > variable really persistent? I think I should make some daemon that
> > connects thru named pipe to get/pass session information. Is there
> > any other way?
> I've been thinking about session managment for mod_python too, and it
> like an important issue. I'd sugest we develop a common interface to
> managment, and then write specific modules that handle the job, by ways of
> cookies, databases, special daemons etc...
> Any ideas?
> --
> Damjan Georgievski		|           п│п│п╪я≤п│п╫
> Skopje, Macedonia		|           п│п│п╬п©я≤п│,
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