I think Werkzeug guys talk about this before. Werkzeug is barebone WSGI
tools, which might suits your need?

Hopefully this link helps:
http://dev.pocoo.org/projects/werkzeug/wiki/SQLAlchemyAndWerkzeug

- Didip -

On Mon, Jul 13, 2009 at 8:15 AM, Matt Wilson <m...@tplus1.com> wrote:

>
> I'm writing a really tiny WSGI app just for fun.  Right now, it looks
> like this:
>
> from flup.server.scgi import WSGIServer
> WSGIServer(s).run()
>
> The s object is the an app that dispatches to other apps based on the
> URL.
>
> Are there any instructions written for using SQLAlchemy in this
> context?  I'm looking for advice on a few things:
>
> 1.  How to wrap every page view in a transaction that is committed by
> default or rolled back when the app raises an exception.
>
> 2.  How to set up the connections once and then reuse them on each
> page load.
>
> The first thing I looked for was some SQL Alchemy middleware.  I found
> SQLAlchemyManager, but it explicitly states it is NOT the recommended
> way.  Is it still safe to use?
>
> More generally, all advice on using SQLAlchemy + homemade WSGI would
> be helpful.
>
> Thanks!
>
> Matt
>
> >
>

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