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  • xarray can't append to Zarrs with byte-string variables · 3 ✖
id html_url issue_url node_id user created_at updated_at ▲ author_association body reactions performed_via_github_app issue
828630825 https://github.com/pydata/xarray/issues/5224#issuecomment-828630825 https://api.github.com/repos/pydata/xarray/issues/5224 MDEyOklzc3VlQ29tbWVudDgyODYzMDgyNQ== shoyer 1217238 2021-04-28T17:15:43Z 2021-04-28T17:15:43Z MEMBER

Thanks. Marking this as a bug.

On Wed, Apr 28, 2021 at 2:14 AM Pontus Lurcock @.***> wrote:

Could you kindly share the Python traceback from the error message?

Sorry, that was remiss of me. Here's the output from the test script above, including the traceback.

$ python test_append_bytes.py Creating |U1 Zarr... Appending to |U1 Zarr with Zarr library... Appending to |U1 Zarr with xarray... Creating |S1 Zarr... Appending to |S1 Zarr with Zarr library... Appending to |S1 Zarr with xarray... Traceback (most recent call last): File "/home/pont/test_append_bytes.py", line 21, in <module> test_append("|S1", "test-s.zarr") File "/home/pont/test_append_bytes.py", line 18, in test_append ds_to_append.to_zarr(zarr_path, mode="a") File "/home/pont/loc/repos/xarray/xarray/core/dataset.py", line 1877, in to_zarr return to_zarr( File "/home/pont/loc/repos/xarray/xarray/backends/api.py", line 1414, in to_zarr _validate_datatypes_for_zarr_append(dataset) File "/home/pont/loc/repos/xarray/xarray/backends/api.py", line 1261, in _validate_datatypes_for_zarr_append check_dtype(k) File "/home/pont/loc/repos/xarray/xarray/backends/api.py", line 1252, in check_dtype raise ValueError( ValueError: Invalid dtype for data variable: <xarray.DataArray 'x' ()> array(b'', dtype='|S1') dtype must be a subtype of number, datetime, bool, a fixed sized string, a fixed size unicode string or an object

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   xarray can't append to Zarrs with byte-string variables 868976909
828294723 https://github.com/pydata/xarray/issues/5224#issuecomment-828294723 https://api.github.com/repos/pydata/xarray/issues/5224 MDEyOklzc3VlQ29tbWVudDgyODI5NDcyMw== pont-us 9010180 2021-04-28T09:14:34Z 2021-04-28T09:14:34Z NONE

Could you kindly share the Python traceback from the error message?

Sorry, that was remiss of me. Here's the output from the test script above, including the traceback.

$ python test_append_bytes.py Creating |U1 Zarr... Appending to |U1 Zarr with Zarr library... Appending to |U1 Zarr with xarray... Creating |S1 Zarr... Appending to |S1 Zarr with Zarr library... Appending to |S1 Zarr with xarray... Traceback (most recent call last): File "/home/pont/test_append_bytes.py", line 21, in <module> test_append("|S1", "test-s.zarr") File "/home/pont/test_append_bytes.py", line 18, in test_append ds_to_append.to_zarr(zarr_path, mode="a") File "/home/pont/loc/repos/xarray/xarray/core/dataset.py", line 1877, in to_zarr return to_zarr( File "/home/pont/loc/repos/xarray/xarray/backends/api.py", line 1414, in to_zarr _validate_datatypes_for_zarr_append(dataset) File "/home/pont/loc/repos/xarray/xarray/backends/api.py", line 1261, in _validate_datatypes_for_zarr_append check_dtype(k) File "/home/pont/loc/repos/xarray/xarray/backends/api.py", line 1252, in check_dtype raise ValueError( ValueError: Invalid dtype for data variable: <xarray.DataArray 'x' ()> array(b'', dtype='|S1') dtype must be a subtype of number, datetime, bool, a fixed sized string, a fixed size unicode string or an object

 
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   xarray can't append to Zarrs with byte-string variables 868976909
827709761 https://github.com/pydata/xarray/issues/5224#issuecomment-827709761 https://api.github.com/repos/pydata/xarray/issues/5224 MDEyOklzc3VlQ29tbWVudDgyNzcwOTc2MQ== shoyer 1217238 2021-04-27T15:42:50Z 2021-04-27T15:42:50Z MEMBER

Could you kindly share the Python traceback from the error message?

 
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   xarray can't append to Zarrs with byte-string variables 868976909

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