Thank you very much. I think i get the idea.
Greetings Sven On Tue, Aug 25, 2009 at 10:51 PM, Peter Bengtsson <pete...@gmail.com> wrote: > > I fear your only option is to write a recursive function which you > feed with what you define to be "the end of the chain". > You can collect all the entries in a mutable list. Some example, > untested, code: > > def get_all_parents(list_, current): > for entry in current.following_to.all(): > list_.append(entry) > list_.extend(get_all_parents(list_, entry) > return list_ > > current = A > parents = [] > get_all_parents(parents, current) > print parents > > Excuse me if I didn't get it right but it should get you started. > > On Aug 25, 10:11 am, Sven Richter <sver...@googlemail.com> wrote: > > Hi, > > > > i implemented a many-to-many field in my model like: > > class Entries(models.Model): > > following_to = models.ManyToManyField('self', blank=True, null=True) > > > > Now i can get all related Entries in a template with > entry.following_to.all. > > But i want to go deeper in relationships. > > > > Lets say i have 4 Entries A, B, C, D. > > A is following_to to B and > > B is following_to to C and > > C is following_to to D. > > A.following_to.all gives back B. > > > > But what i need is to follow until the end of the chain is reached. > > I need something like: > > A.following_to.give_all_related_entries which then returns: > > B, C, D > > > > Do i have to write my own template tag for that or is it already > implemented > > in Django? > > Or maybe there is a better approach to solve my issue? > > > > I couldnt find a similar question or answer in the docs. > > > > Greetings > > Sven > > > --~--~---------~--~----~------------~-------~--~----~ 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 -~----------~----~----~----~------~----~------~--~---