Support duplicate dimensions in `.chunk`

pydata / xarray

N-D labeled arrays and datasets in Python

https://xarray.dev

Apache License 2.0

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Support duplicate dimensions in `.chunk` #9099

Closed mraspaud closed 2 weeks ago

mraspaud commented 3 weeks ago

This PR allows duplicate dimension when chunking an array, when the chunk sizes is provided as a dict. A typical example of the usefulness of this PR is trying to open a netcdf file (with chunking) containing a covariance matrix.

[x] xref #1378
[x] Closes #8579, closes https://github.com/pytroll/satpy/issues/2705, xref #1378
[x] Tests added
[x] User visible changes (including notable bug fixes) are documented in whats-new.rst

mraspaud commented 3 weeks ago

Any feedback welcome on how I can improve this PR!