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Run array API tests on Zarr Python 2 and 3 #733

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Merged
tomwhite merged 1 commit into from
Jun 18, 2025
+7 −1
Merged

Run array API tests on Zarr Python 2 and 3 #733

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5 changes: 4 additions & 1 deletion .github/workflows/array-api-tests.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@ jobs:
matrix:
os: ["ubuntu-latest"]
python-version: ["3.11"]
zarr: ["<3", ">3"]

steps:
- name: Checkout Cubed
Expand All @@ -44,8 +45,10 @@ jobs:
run: |
pushd array-api-tests
pip install -e '../cubed[test]'
pip install -U 'zarr<3'
pip install -r requirements.txt # from Array API tests repo
- name: Install zarr${{ matrix.zarr }}
run: |
pip install -U 'zarr${{ matrix.zarr }}'
- name: Run Array API tests
env:
ARRAY_API_TESTS_MODULE: cubed.array_api
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3 changes: 3 additions & 0 deletions cubed/storage/backends/zarr_python_v3.py
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Expand Up @@ -4,6 +4,9 @@

from cubed.types import T_DType, T_RegularChunks, T_Shape, T_Store

# always write empty chunks to avoid a check for each chunk
zarr.config.set({"array.write_empty_chunks": True})


class ZarrV3ArrayGroup(dict):
def __init__(
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