On 31/03/2011 16:00, Daniel Nouri wrote:
On Thu, Mar 31, 2011 at 4:44 PM, Chris Withers<ch...@simplistix.co.uk>  wrote:
On 31/03/2011 15:40, Daniel Nouri wrote:
FWIW, get_current_request() works with 'before_insert' and
'before_update' events.

I don't see these listed here:

http://www.sqlalchemy.org/docs/orm/interfaces.html?highlight=sessionextension#sqlalchemy.orm.interfaces.SessionExtension

Where are you getting them from?

sqla 0.7 has them

Oh? You mean the one that's still in Beta? ;-)

Anyway, this got me thinking, so I have more questions...

What's the preferred way of working with transactions now, be they just SQLAlchemy transactions or, more likely, a bunch of things tied together by a transaction from the 'transaction' package?

repoze.tm2 seems to be the "old skool" BFG way of doing things, but is this still the "right" way in Pyramid?

The templates/scaffolds certainly use repoze.tm2, but the book uses the transaction package as an example for "Using Finished Callbacks". What are the differences between these two approaches?

Related: Any chance of a RequestFinished event to subscribe to rather than having to (rather convolutedly) subscribe to NewRequest just so your handler can call add_finished_callback? That feels like two competing event systems that you have to use at the same task just to get one thing (execute code at the end of a request, but while the request is still around, which you can't do in wsgi middlewear) done...

Chris

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