def set_items_per_page(request):
if request.method == 'POST':
cache_prefix = request.POST.get('cache_prefix', None)
number = request.POST.get('number', None)
if cache_prefix and number:
cache_key = get_cache_key(cache_prefix)
request.session[cache_key] = number
return HttpResponseRedirect(request.META['HTTP_REFERER'])
