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Ensure HighLevelGraph layers are Layer instances #5271

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May 6, 2021
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Ensure HighLevelGraph layers are Layer instances #5271

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Ensure HighLevelGraph layers are Layer instances
jrbourbeau May 6, 2021
57dffd4
[test-upstream]
jrbourbeau May 6, 2021
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12 changes: 8 additions & 4 deletions xarray/core/parallel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -540,10 +540,14 @@ def subset_dataset_to_block(
dependencies=[arg for arg in npargs if dask.is_dask_collection(arg)],
)

for gname_l, layer in new_layers.items():
# This adds in the getitems for each variable in the dataset.
hlg.dependencies[gname_l] = {gname}
hlg.layers[gname_l] = layer
# This adds in the getitems for each variable in the dataset.
hlg = HighLevelGraph(
{**hlg.layers, **new_layers},
dependencies={
**hlg.dependencies,
**{name: {gname} for name in new_layers.keys()},
},
)

result = Dataset(coords=indexes, attrs=template.attrs)
for index in result.indexes:
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