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Parse chunk shape to check for float values #2535

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merged 4 commits into from
Dec 5, 2024
Merged

Parse chunk shape to check for float values #2535

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ec79b87
Test that shapes and chunk shapes containing floats raise a TypeError
faymanns Dec 5, 2024
7c1e34c
Parse chunk shape
faymanns Dec 5, 2024
a1a3f48
Move check for floats from create to normalize_chunks
faymanns Dec 5, 2024
dfb4709
Merge branch 'main' into main
jhamman Dec 5, 2024
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3 changes: 3 additions & 0 deletions src/zarr/core/chunk_grids.py
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Original file line number Diff line number Diff line change
Expand Up @@ -138,6 +138,9 @@ def normalize_chunks(chunks: Any, shape: tuple[int, ...], typesize: int) -> tupl
s if c == -1 or c is None else int(c) for s, c in zip(shape, chunks, strict=False)
)

if not all(isinstance(c, numbers.Integral) for c in chunks):
raise TypeError("non integer value in chunks")

return tuple(int(c) for c in chunks)


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8 changes: 8 additions & 0 deletions tests/test_api.py
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Expand Up @@ -47,6 +47,14 @@ def test_create_array(memory_store: Store) -> None:
assert z.shape == (400,)
assert z.chunks == (40,)

# create array with float shape
with pytest.raises(TypeError):
z = create(shape=(400.5, 100), store=store, overwrite=True)

# create array with float chunk shape
with pytest.raises(TypeError):
z = create(shape=(400, 100), chunks=(16, 16.5), store=store, overwrite=True)


@pytest.mark.parametrize("path", ["foo", "/", "/foo", "///foo/bar"])
@pytest.mark.parametrize("node_type", ["array", "group"])
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