Unblock NumPy 2.0

.github/workflows/ci.yml

@@ -96,3 +96,30 @@ jobs:
       - name: Test with pytest
         run: |
           python -m pytest -rfExX -m ${{ matrix.test }} -n 2 --dist loadfile -sv ./tests/
+
+  test_py310_numpy2:
+    needs: check_code_quality
+    strategy:
+      matrix:
+        test: ['unit']
+        os: [ubuntu-latest, windows-latest]
+        deps_versions: [deps-latest]
+    continue-on-error: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.10"
+      - name: Upgrade pip
+        run: python -m pip install --upgrade pip
+      - name: Install uv
+        run: pip install --upgrade uv
+      - name: Install dependencies
+        run: uv pip install --system "datasets[tests_numpy2] @ ."
+      - name: Test with pytest
+        run: |
+          python -m pytest -rfExX -m ${{ matrix.test }} -n 2 --dist loadfile -sv ./tests/

setup.py

@@ -111,7 +111,7 @@
     # For file locking
     "filelock",
     # We use numpy>=1.17 to have np.random.Generator (Dataset shuffling)
-    "numpy>=1.17,<2.0.0",  # Temporary upper version
+    "numpy>=1.17",
     # Backend and serialization.
     # Minimum 15.0.0 to be able to cast dictionary types to their underlying types
     "pyarrow>=15.0.0",
@@ -166,7 +166,7 @@
     "pytest-xdist",
     # optional dependencies
     "elasticsearch<8.0.0",  # 8.0 asks users to provide hosts or cloud_id when instantiating ElasticSearch()
-    "faiss-cpu>=1.6.4",
+    "faiss-cpu>=1.8.0.post1",  # Pins numpy < 2
     "jax>=0.3.14; sys_platform != 'win32'",
     "jaxlib>=0.3.14; sys_platform != 'win32'",
     "lz4",
@@ -176,11 +176,11 @@
     "sqlalchemy",
     "s3fs>=2021.11.1",  # aligned with fsspec[http]>=2021.11.1; test only on python 3.7 for now
     "protobuf<4.0.0",  # 4.0.0 breaks compatibility with tensorflow<2.12
-    "tensorflow>=2.6.0",
+    "tensorflow>=2.6.0",  # Issue installing 2.16.0 with Python 3.8; we rely on other dependencies pinning numpy < 2
     "tiktoken",
     "torch>=2.0.0",
     "soundfile>=0.12.1",
-    "transformers",
+    "transformers>=4.42.0",  # Pins numpy < 2
     "zstandard",
     "polars[timezone]>=0.20.0",
 ]
@@ -189,6 +189,16 @@
 TESTS_REQUIRE.extend(VISION_REQUIRE)
 TESTS_REQUIRE.extend(AUDIO_REQUIRE)
 
+NUMPY2_INCOMPATIBLE_LIBRARIES = [
+    "faiss-cpu",
+    "librosa",
+    "tensorflow",
+    "transformers",
+]
+TESTS_NUMPY2_REQUIRE = [
+    library for library in TESTS_REQUIRE if library.partition(">")[0] not in NUMPY2_INCOMPATIBLE_LIBRARIES
+]
+
 QUALITY_REQUIRE = ["ruff>=0.3.0"]
 
 DOCS_REQUIRE = [
@@ -213,6 +223,7 @@
     "streaming": [],  # for backward compatibility
     "dev": TESTS_REQUIRE + QUALITY_REQUIRE + DOCS_REQUIRE,
     "tests": TESTS_REQUIRE,
+    "tests_numpy2": TESTS_NUMPY2_REQUIRE,
     "quality": QUALITY_REQUIRE,
     "benchmarks": BENCHMARKS_REQUIRE,
     "docs": DOCS_REQUIRE,

tests/features/test_features.py

@@ -25,7 +25,7 @@
 from datasets.info import DatasetInfo
 from datasets.utils.py_utils import asdict
 
-from ..utils import require_jax, require_tf, require_torch
+from ..utils import require_jax, require_numpy1_on_windows, require_tf, require_torch
 
 
 class FeaturesTest(TestCase):
@@ -543,6 +543,7 @@ def test_cast_to_python_objects_pandas_timedelta(self):
         casted_obj = cast_to_python_objects(pd.DataFrame({"a": [obj]}))
         self.assertDictEqual(casted_obj, {"a": [expected_obj]})
 
+    @require_numpy1_on_windows
     @require_torch
     def test_cast_to_python_objects_torch(self):
         import torch

tests/packaged_modules/test_webdataset.py

@@ -7,7 +7,7 @@
 from datasets import Audio, DownloadManager, Features, Image, Sequence, Value
 from datasets.packaged_modules.webdataset.webdataset import WebDataset
 
-from ..utils import require_librosa, require_pil, require_sndfile, require_torch
+from ..utils import require_librosa, require_numpy1_on_windows, require_pil, require_sndfile, require_torch
 
 
 @pytest.fixture
@@ -226,6 +226,7 @@ def test_webdataset_with_features(image_wds_file):
     assert isinstance(decoded["jpg"], PIL.Image.Image)
 
 
+@require_numpy1_on_windows
 @require_torch
 def test_tensor_webdataset(tensor_wds_file):
     import torch

tests/test_arrow_dataset.py

@@ -57,6 +57,7 @@
     require_dill_gt_0_3_2,
     require_jax,
     require_not_windows,
+    require_numpy1_on_windows,
     require_pil,
     require_polars,
     require_pyspark,
@@ -420,6 +421,7 @@ def test_set_format_numpy_multiple_columns(self, in_memory):
                 self.assertIsInstance(dset[0]["col_2"], np.str_)
                 self.assertEqual(dset[0]["col_2"].item(), "a")
 
+    @require_numpy1_on_windows
     @require_torch
     def test_set_format_torch(self, in_memory):
         import torch
@@ -1525,6 +1527,7 @@ def func_return_multi_row_pd_dataframe(x):
             with self._create_dummy_dataset(in_memory, tmp_dir) as dset:
                 self.assertRaises(ValueError, dset.map, func_return_multi_row_pd_dataframe)
 
+    @require_numpy1_on_windows
     @require_torch
     def test_map_torch(self, in_memory):
         import torch
@@ -1590,6 +1593,7 @@ def func(example):
                     )
                     self.assertListEqual(dset_test[0]["tensor"], [1, 2, 3])
 
+    @require_numpy1_on_windows
     @require_torch
     def test_map_tensor_batched(self, in_memory):
         import torch

tests/test_dataset_dict.py

@@ -16,6 +16,7 @@
 from .utils import (
     assert_arrow_memory_doesnt_increase,
     assert_arrow_memory_increases,
+    require_numpy1_on_windows,
     require_polars,
     require_tf,
     require_torch,
@@ -109,6 +110,7 @@ def test_set_format_numpy(self):
             self.assertEqual(dset_split[0]["col_2"].item(), "a")
         del dset
 
+    @require_numpy1_on_windows
     @require_torch
     def test_set_format_torch(self):
         import torch

tests/test_fingerprint.py

@@ -21,6 +21,7 @@
 
 from .utils import (
     require_not_windows,
+    require_numpy1_on_windows,
     require_regex,
     require_spacy,
     require_tiktoken,
@@ -303,6 +304,7 @@ def test_hash_tiktoken_encoding(self):
         self.assertEqual(hash1, hash3)
         self.assertNotEqual(hash1, hash2)
 
+    @require_numpy1_on_windows
     @require_torch
     def test_hash_torch_tensor(self):
         import torch
@@ -316,6 +318,7 @@ def test_hash_torch_tensor(self):
         self.assertEqual(hash1, hash3)
         self.assertNotEqual(hash1, hash2)
 
+    @require_numpy1_on_windows
     @require_torch
     def test_hash_torch_generator(self):
         import torch

tests/test_formatting.py

@@ -21,6 +21,7 @@
 from .utils import (
     require_jax,
     require_librosa,
+    require_numpy1_on_windows,
     require_pil,
     require_polars,
     require_sndfile,
@@ -353,6 +354,7 @@ def test_polars_formatter(self):
         assert pl.Series.eq(batch["a"], pl.Series("a", _COL_A)).all()
         assert pl.Series.eq(batch["b"], pl.Series("b", _COL_B)).all()
 
+    @require_numpy1_on_windows
     @require_torch
     def test_torch_formatter(self):
         import torch
@@ -373,6 +375,7 @@ def test_torch_formatter(self):
         torch.testing.assert_close(batch["c"], torch.tensor(_COL_C, dtype=torch.float32))
         assert batch["c"].shape == np.array(_COL_C).shape
 
+    @require_numpy1_on_windows
     @require_torch
     def test_torch_formatter_torch_tensor_kwargs(self):
         import torch
@@ -389,6 +392,7 @@ def test_torch_formatter_torch_tensor_kwargs(self):
         self.assertEqual(batch["a"].dtype, torch.float16)
         self.assertEqual(batch["c"].dtype, torch.float16)
 
+    @require_numpy1_on_windows
     @require_torch
     @require_pil
     def test_torch_formatter_image(self):
@@ -975,6 +979,7 @@ def test_tf_formatter_sets_default_dtypes(cast_schema, arrow_table):
     tf.debugging.assert_equal(batch["col_float"], tf.ragged.constant(list_float, dtype=tf.float32))
 
 
+@require_numpy1_on_windows
 @require_torch
 @pytest.mark.parametrize(
     "cast_schema",

tests/test_iterable_dataset.py

@@ -51,6 +51,7 @@
     is_rng_equal,
     require_dill_gt_0_3_2,
     require_not_windows,
+    require_numpy1_on_windows,
     require_pyspark,
     require_tf,
     require_torch,
@@ -1279,6 +1280,7 @@ def gen(shard_names):
     assert dataset.n_shards == len(shard_names)
 
 
+@require_numpy1_on_windows
 def test_iterable_dataset_from_file(dataset: IterableDataset, arrow_file: str):
     with assert_arrow_memory_doesnt_increase():
         dataset_from_file = IterableDataset.from_file(arrow_file)

tests/test_py_utils.py

@@ -18,7 +18,7 @@
     zip_dict,
 )
 
-from .utils import require_tf, require_torch
+from .utils import require_numpy1_on_windows, require_tf, require_torch
 
 
 def np_sum(x):  # picklable for multiprocessing
@@ -151,6 +151,7 @@ def gen_random_output():
         np.testing.assert_equal(out1, out2)
         self.assertGreater(np.abs(out1 - out3).sum(), 0)
 
+    @require_numpy1_on_windows
     @require_torch
     def test_torch(self):
         import torch

tests/utils.py

@@ -70,6 +70,11 @@ def parse_flag_from_env(key, default=False):
 
 require_faiss = pytest.mark.skipif(find_spec("faiss") is None or sys.platform == "win32", reason="test requires faiss")
 
+require_numpy1_on_windows = pytest.mark.skipif(
+    version.parse(importlib.metadata.version("numpy")) >= version.parse("2.0.0") and sys.platform == "win32",
+    reason="test requires numpy < 2.0 on windows",
+)
+
 
 def require_regex(test_case):
     """