A function or property in the model would do nicely. You can check this page for more information:
http://www.b-list.org/weblog/2006/aug/18/django-tips-using-properties-models-and-managers/ <http://www.b-list.org/weblog/2006/aug/18/django-tips-using-properties-models-and-managers/>- Paulo On Fri, Aug 6, 2010 at 12:24 AM, flowpoke <bkeat...@gmail.com> wrote: > I have a simple model that includes two DateField fields. I have > everything passing to the template, as I would like but i'd like to > add one more variable, duration. I want {{ duration }} to be that of > the delta between the two DateField fields, in years. It's simple > arithmetic but im not sure where to implement this logic. This is on a > per object basis but it seems to me that I'd want to apply this logic > at the model level, since it's a constant (i'll reference it anytime i > call on this object(s)). > > Any pointers on where to begin? I suppose I can break this down in a > view but im not sure how to unpack the QuertSet, add the new context > variable to each object and then wrap it back up into a QuerySet. If > thats even the right way to do it. > > -- > You received this message because you are subscribed to the Google Groups > "Django users" group. > To post to this group, send email to django-us...@googlegroups.com. > To unsubscribe from this group, send email to > django-users+unsubscr...@googlegroups.com<django-users%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/django-users?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to django-us...@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.