ok im still stucking on this one: i dont think the regroup tag can help in this case.... but i cant understand how i can query the technologies used within a specific topic.
i mean i have alredy the projects assigned to this topic, now i need the technologies used by this projects. any ideas? Tim Valenta wrote: > It looks like the problem is that you're trying to group by > Technology, but your queryset is in Projects. You could experiment > with the "regroup" template tag > ( http://docs.djangoproject.com/en/dev/ref/templates/builtins/#regroup > ) > > It's a little hard to understand at first, but I think it's pretty > much what you're trying to do. You would be able to remove the > ".distinct" part of your query because dictionary keys are already > can't be doubled. > > Hope that helps. > > Tim > > On Nov 26, 7:04 am, andreas schmid <a.schmi...@gmail.com> wrote: > >> hi, >> >> i have a question about retrieving related objects avoiding double entries. >> actually i have 3 models: >> topics >> projects >> technologies >> >> the projects model has foreignkeys to topics and technologies. i have a >> view for the topic detail like this: >> >> def topic_detail(request, slug): >> topic = get_object_or_404(Topic, slug=slug) >> return object_list(request, >> queryset=topic.project_set.all(), >> paginate_by=20, >> template_name='FSlabs/topic_detail.html', >> extra_context={ 'topic': topic }) >> >> in the template i can loop trough the projects and get those assigned >> to this topic. >> but im having problems to retrieve the technologies used by those >> projects without having double entries. >> >> i tried this in the template with a list for every project >> assigned...which of course is not what i want: >> >> {% for project in object_list %} >> {% for technology in project.technologies.distinct %} >> <a href="{{ technology.get_absolute_url }}">{{ >> technology.title }}</a> >> {% if forloop.last %}{% else %} >> {% ifequal forloop.revcounter0 1 %}and {% else %}, {% >> endifequal %} >> {% endif %} >> {% endfor %} >> {% endfor %} >> >> can somebody point me to the right way to get what i need? >> >> thx >> > > -- > > 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. > > > > -- 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.
