8000 Raise `ValueError` for unmatching chunks length in `DataArray.chunk()` by lkstrp · Pull Request #9689 · pydata/xarray · GitHub
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Raise ValueError for unmatching chunks length in DataArray.chunk() #9689

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Merged
merged 2 commits into from
Oct 28, 2024
Merged

Raise ValueError for unmatching chunks length in DataArray.chunk() #9689

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2c8f2e8
add `ValueError`
lkstrp Oct 28, 2024
5d9e178
add test
lkstrp Oct 28, 2024
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add ValueError
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@lkstrp
lkstrp committed Oct 28, 2024
commit 2c8f2e81e2ac8c49cbdad86367c571cfef9cdba7
5 changes: 5 additions & 0 deletions xarray/core/dataarray.py
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Expand Up @@ -1444,6 +1444,11 @@ def chunk(
"It will raise an error in the future. Instead use a dict with dimension names as keys.",
category=DeprecationWarning,
)
if len(chunks) != len(self.dims):
raise ValueError(
f"chunks must have the same number of elements as dimensions. "
f"Expected {len(self.dims)} elements, got {len(chunks)}."
)
chunk_mapping = dict(zip(self.dims, chunks, strict=True))
else:
chunk_mapping = either_dict_or_kwargs(chunks, chunks_kwargs, "chunk")
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