from django.db.models import Count from taggit.models import Tag from math import floor from operator import itemgetter from django.conf import settings import os from random import choice def randomheader(request): header_file = choice(filter(lambda x: os.path.isfile(settings.HEADER_DIR + os.path.sep + x), os.listdir(settings.HEADER_DIR))) return {'header': header_file} 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=itemgetter('name')) return {'tagcloud': tagcloud} def viewname(request): return { 'view_name': request.view_name, }