[mod_python] how do i share variables accross requests?

Tobiah wrote:
> 
> 
> This is exactly what I decided to do.  I made a simple mysql database
> called 'session' that will handle all of the session data for all of
> the web apps for my company.  I tag each session with an 'appname' so
> that each report or app can register its own discreet session for
> each user.  This is very important if, like around here, a person might
> have several apps open at once.  It used to be that one app would
> destroy a persons session from another app.
> 
> I don't think that efficiency will be a problem.  Every web application
> that I have ever written already connects to and queries from a
> database on every page hit.  One more little request to retrieve a
> small session object shouldn't be of any concern.  PHP uses temp files
> to do the same thing.
> 
> By writing this myself I think that I will afford myself the greatest
> flexibility in the future.
> 


how did you subclass Session to perform the cleanup? I'm having problems 
  with that... Do you have to set CLEANUP_CHANCE to 1 or do you leave it 
to the high default value?