query_img_list = []

sift.process_image(img,'./ukbench/tmp.sift')

with open('vocabulary.pkl','rb') as f:

voc = pickle.load(f)

index = imagesearch.Indexer('test.db',voc)

locs,descr = sift.read_features_from_file('./ukbench/tmp.sift')

index.add_to_index(img,descr)

index.db_commit()

src = imagesearch.Searcher('test.db',voc)

res = src.query(img)[:3]

for dist, ndx in res:

imname = src.get_filename(ndx)

query_img_list.append(imname)