from django.db.models import Count from taggit.models import Tag from math import floor def tagcloud(request): tagcloudlist = Tag.objects.annotate(ct=Count('taggit_taggeditem_items')).order_by('-ct') if (len(tagcloudlist) > 0): tmax = tagcloudlist[0].ct tmin = 1 if (tmax == tmin): tmax += 1 tagcloud = [] for cloudelement in tagcloudlist: tagcount = cloudelement.ct if (tagcount >= tmin): size = int(floor((5.0 * (tagcount - tmin)) / (tmax - tmin))) tagcloud.append({'name': cloudelement.name, 'slug': cloudelement.slug, 'size': size}) tagcloud.sort(key=lambda k: k['name']) return {'tagcloud': tagcloud}