code: def hset(self, hashkey, attribute, value):
          
  
          redis_hash = self._get_hash(hashkey, 'HSET', create=True)
          attribute = self._encode(attribute)
          attribute_present = attribute in redis_hash
          redis_hash[attribute] = self._encode(value)
          return long(0) if attribute_present else long(1)
docs: Emulate hset.