gen expr

nexttop.py

def next_top_post(request):
	data = ''
	post_id = request.GET['post_id']
	post = Post.objects.get(id=post_id)
	posts = get_top_posts(request)
        matches = itertools.dropwhile(lambda p: p.id != post.id, posts)
        matched = next(itertools.islice(matches, 1, None), None)
	arrows = get_top_arrows(matched)
	next_post = profile_post_to_html(request,matched,'top')
	data = {'post':next_post, 'arrows':arrows}
	return HttpResponse(json.dumps(data), mimetype="application/json")