On Mon, 2009-03-02 at 13:59 -0800, natx...@gmail.com wrote: > I'm trying to make a complex dynamic filter. The first thing I've done > is get dynamically a list of list of titles, something like this: > > [[<Titulo: Diplomatura, Educación Infantil>, <Titulo: Diplomatura, > Educación>], [<Titulo: Idiomas, EGA>]] > > and a way to add/remove list of titles to/from the general list (let's > call it big list). > > Is there a way to filter a list of Persons that have Titles (m2m) > using AND in the big list and OR inside each little list? > In the example something like a person that have: > > OR(<Titulo: Diplomatura, Educación Infantil>, <Titulo: Diplomatura, > Educación) AND(<Titulo: Idiomas, EGA>)
The key thing here are Q() objects. See [1] for the documentation. In fact, under the covers, all filter() calls become Q() objects, so they really are key. You can combine Q's using & and | however you like. So wrapping each item as a Q(title=some_title) and then putting them together, using a loop or reduce() will do what you want. [1] http://docs.djangoproject.com/en/dev/topics/db/queries/#complex-lookups-with-q-objects Regards, Malcolm --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-users@googlegroups.com To unsubscribe from this group, send email to django-users+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/django-users?hl=en -~----------~----~----~----~------~----~------~--~---
