def get_neighbors()

in backend/lambda/app.py [0:0]

• 10 lines of code
• 2 McCabe index (conditional complexity)

def get_neighbors(features, es, k_neighbors=3):
    idx_name = 'idx_zalando'
    res = es.search(
        request_timeout=30, index=idx_name,
        body={
            'size': k_neighbors,
            'query': {'knn': {'zalando_img_vector': {'vector': features, 'k': k_neighbors}}}}
        )
    s3_uris = [res['hits']['hits'][x]['_source']['image'] for x in range(k_neighbors)]

    return s3_uris