import json
 class RedisDataStore(object):
 	key = 0
 	def __init__(self, connection):
 		self.db = connection
 
 	rkey = '%05d__BOOK%%s'
 	def insert(self, dct):
 		self.key += 1
 		rkey = self.rkey % self.key
 		self.db.set(rkey % '', 1)
 		self.db.set(rkey % '__TITLE', dct['title'])
 		self.db.set(rkey % '__CONTENT', json.dumps(dct['content']))
 
 	def find(self, key):
 		rkey = self.rkey % self.key 
 		if self.db.get(rkey % '') is not None:
 			return self.db.get(rkey % '__TITLE'), self.db.get(rkey % '__CONTENT')