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Set the cloud storage credentials when opening a datatree from ZarrStore (#9197) #9198

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Set the cloud storage credentials when opening a datatree from ZarrStore (#9197) #9198

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3fc9d55
Add `storage_options` to set cloud storage credentials when opening a
Jul 1, 2024
22f917d
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Jul 1, 2024
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11 changes: 9 additions & 2 deletions xarray/backends/zarr.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1223,17 +1223,24 @@ def open_datatree(
from xarray.core.treenode import NodePath

filename_or_obj = _normalize_path(filename_or_obj)
if storage_options:
kwargs["backend_kwargs"] = {"storage_options": storage_options}
if group:
parent = NodePath("/") / NodePath(group)
stores = ZarrStore.open_store(filename_or_obj, group=parent)
stores = ZarrStore.open_store(
filename_or_obj, group=parent, storage_options=storage_options
)
if not stores:
ds = open_dataset(
filename_or_obj, group=parent, engine="zarr", **kwargs
)
return DataTree.from_dict({str(parent): ds})
else:
parent = NodePath("/")
stores = ZarrStore.open_store(filename_or_obj, group=parent)
stores = ZarrStore.open_store(
filename_or_obj, group=parent, storage_options=storage_options
)

ds = open_dataset(filename_or_obj, group=parent, engine="zarr", **kwargs)
tree_root = DataTree.from_dict({str(parent): ds})
for path_group, store in stores.items():
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