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Check if Dask is installed #62

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Merged
merged 7 commits into from
Sep 9, 2024
Merged

Check if Dask is installed #62

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fc27229
Check if Dask is installed
jacobtomlinson Aug 6, 2024
b445c38
Explicity check for None
jacobtomlinson Aug 6, 2024
62f672b
Turn dask_array_type into a tuple to simplify isinstance check
weiji14 Sep 3, 2024
133f194
Merge branch 'main' into no-dask
weiji14 Sep 3, 2024
f82e829
Add DuckArrayTypes type hint
weiji14 Sep 9, 2024
ec25b8f
Import TYPE_CHECKING and Any from typing
weiji14 Sep 9, 2024
bdd3be1
Put dask_array_type type hint under if TYPE_CHECKING block
weiji14 Sep 9, 2024
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10 changes: 8 additions & 2 deletions cupy_xarray/accessors.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
from typing import TYPE_CHECKING, Any

import cupy as cp
from xarray import (
DataArray,
Expand All @@ -6,12 +8,16 @@
register_dataset_accessor,
)

if TYPE_CHECKING:
DuckArrayTypes = tuple[type[Any], ...]
dask_array_type: DuckArrayTypes

try:
import dask.array

dask_array_type = dask.array.Array
dask_array_type = (dask.array.Array,)
except ImportError:
dask_array_type = None
dask_array_type = ()


@register_dataarray_accessor("cupy")
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