nearpy usage

import numpy
from nearpy import Engine
from nearpy.hashes import RandomBinaryProjections, HashPermutationMapper, HashPermutations
from nearpy.distances import CosineDistance
from nearpy.filters.nearestfilter import NearestFilter
from nearpy.storage import RedisStorage
import glob
import time 
from redis import Redis

redis_storage = RedisStorage(
            Redis(host='similar-images-index.i4cyv7.0001.use1.cache.amazonaws.com',
                    port=6379, db=0))
# Create a random binary hash with 10 bits
hashes =  HashPermutations('permut2')
# Create binary hash as child hash
rbp_perm = RandomBinaryProjections('rbp_perm', 14)
rbp_conf = {'num_permutation':50,'beam_size':10,'num_neighbour':100}

# Add rbp as child hash of permutations hash
hashes.add_child_hash(rbp_perm, rbp_conf)
#     for k in range(5):
#         hashes.append(HashPermutationMapper ('rbp_%d' % k, 10))

    # Create engine
dimension =2048
engine = Engine(dimension, lshashes=[hashes], 
                    vector_filters = [NearestFilter(10)],
                    distance=CosineDistance(),
                    storage=redis_storage)