def get(self, namespace, key):
        try:
            lrukey = self.lru_key[(namespace,key)]
        except __HOLE__:        # No such slab.
            return None
        slabdesc = self.lru_cache.get(lrukey)
        if slabdesc:
            return slabdesc.get(key) # Get item in the slab.
        else:
            return (False, key) # No such slab.
dataset/ETHPy150Open MapQuest/mapquest-osm-server/src/python/datastore/lrucache.py/LRUCache.get