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py-grex/test/integration/recommender/test_als.py
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2026-05-22 10:02:10 +02:00

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Python

import pytest
from pygrex.config import cfg
from pygrex.data_reader.data_reader import DataReader
from pygrex.models.als_model import ALS
from pygrex.recommender import Recommender
@pytest.fixture
def setup_data():
als = ALS(**cfg.model.als)
data = DataReader(**cfg.data.testdata)
data.make_consecutive_ids_in_dataset()
data.binarize()
als.fit(data)
return als, data
def test_train_recommend_als(setup_data):
als, data = setup_data
recommender = Recommender(data, als)
max_valid = als.model.item_factors.shape[0]
item_pool = list(range(min(max_valid, 50)))
_ = recommender.recommend(user_id=0, target_item_id=item_pool)