gistfile1.py

class HomeHandler(BaseRequestHandler):
	def get(self):
		nodes = memcache.get('nodes')
		if nodes is None:
			nodes = Node.all()
			nodes.fetch(100)			
			nodes = self.snippet('nodes.html',{'nodes':nodes})
			memcache.set('nodes', nodes, 1800)
		
		topics = memcache.get('topics')
		if topics is None:
			topics = Topic.all()
			topics.filter('ref =', None )
			topics.order('-updated')
			topics.fetch(100)
			topics = self.snippet('topics.html',{'topics':topics})
			memcache.set('topics', topics, 1800)
		values = {'nodes':nodes,'topics':topics}
		
		self.render('home.html',values)