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Add a suggestion for how to resolve chunk manager not available error #11056

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Add a suggestion for how to resolve chunk manager not available error #11056

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6 changes: 6 additions & 0 deletions xarray/namedarray/parallelcompat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -174,8 +174,14 @@ def get_chunked_array_type(*args: Any) -> ChunkManagerEntrypoint[Any]:
if chunkmanager.is_chunked_array(chunked_arr)
]
if not selected:
suggestion = "This is usually the result of a missing dependency."
if (
maybe_lib := type(chunked_arr).__module__.split(".")[0]
) in KNOWN_CHUNKMANAGERS:
suggestion = f"Please try installing {KNOWN_CHUNKMANAGERS[maybe_lib]!r}."
raise TypeError(
f"Could not find a Chunk Manager which recognises type {type(chunked_arr)}"
f" {suggestion}"
)
elif len(selected) >= 2:
raise TypeError(f"Multiple ChunkManagers recognise type {type(chunked_arr)}")
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