Hi Tomasz, Thanks for your help - that solved the problem.
On 26 Sep 2009, at 10:20, Tomasz Jezierski - Tefnet wrote: [...code snipped...] > First... why don't you define this method with class definition? I > don't > use "reflection" but I think that it is possible... It's a chicken-and-the-egg problem. I can't use the other classes (that I include in the "join" statement, for example), until they are defined, but as many tables are interrelated, that's not possible to do up front. Unless there is a way to do it that I'm missing. > Second... you could probably convert it to column_property I'm not sure how I would do that... > And back to your question.. > 1. you can have globally accessed session (like it is done in Pylons > via > meta.Session) > http://wiki.pylonshq.com/display/pylonsdocs/Using+SQLAlchemy+with+Pylons Not a bad idea, but the class is being used by many scripts as well as a TurboGears app, so I can't make that assumption. > 2. you can get session for instance using > sqlalchemy.orm.session.Session.object_session > http://www.sqlalchemy.org/docs/05/reference/orm/sessions.html?highlight=session#sqlalchemy.orm.session.Session.object_session This is exactly the method I was looking for and have used. I expected it to be in the Base class and didn't think to look in Session. > 3. You can have "session-aware class" > http://www.sqlalchemy.org/trac/wiki/UsageRecipes/SessionAwareMapper Thanks for that link. Unfortunately, my eyes kind of glazed over when I tried to go through it... Cheers, Demitri --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "sqlalchemy" group. To post to this group, send email to sqlalchemy@googlegroups.com To unsubscribe from this group, send email to sqlalchemy+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sqlalchemy?hl=en -~----------~----~----~----~------~----~------~--~---
