pull_requests: 1359566001

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id node_id number state locked title user body created_at updated_at closed_at merged_at merge_commit_sha assignee milestone draft head base author_association auto_merge repo url merged_by
1359566001 PR_kwDOAMm_X85RCVSx 7862 closed 0 CF encoding should preserve vlen dtype for empty arrays 85085 <!-- Feel free to remove check-list items aren't relevant to your change --> - [x] Closes #7328 - [x] Tests added The idea is that it enables a workaround for #7328, where the dtype metadata can be set to a vlen string so that it doesn't get changed to float. The line that is changed in the example in #7328 is: ``` ds = xr.Dataset({"a": np.array([], dtype=coding.strings.create_vlen_dtype(str))}) ``` 2023-05-22T16:41:11Z 2023-06-16T07:00:35Z 2023-06-16T03:56:14Z 2023-06-16T03:56:14Z 0c876e4a9e214918b9366b178b2be083cfe8379a     0 334802c85e33e265b4b430fcf9f32cf5cf776490 99f95591dcaafb6a5f538700c25a8c52e8a39812 CONTRIBUTOR 
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    "commit_title": "CF encoding should preserve vlen dtype for empty arrays (#7862)",
    "commit_message": "* CF encoding should preserve vlen dtype for empty arrays\r\n\r\n* [pre-commit.ci] auto fixes from pre-commit.com hooks\r\n\r\nfor more information, see https://pre-commit.ci\r\n\r\n* preserve vlen string dtype in netcdf4 and zarr backends\r\n\r\n* check for h5py-variant (\"vlen\") in coding.strings.check_vlen_dtype\r\n\r\n* add test to check preserving vlen dtype for empty vlen string arrays\r\n\r\n* ignore call_overload error for np.dtype(\"O\", metadata={\"vlen\": str})\r\n\r\n* use filter.codec_id instead of private filter._meta as suggested in review\r\n\r\n* update comment and add whats-new.rst entry\r\n\r\n* fix whats-new.rst\r\n\r\n* fix whats-new.rst (missing dot)\r\n\r\n---------\r\n\r\nCo-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>\r\nCo-authored-by: Kai M\u00fchlbauer <kai.muehlbauer@uni-bonn.de>\r\nCo-authored-by: Kai M\u00fchlbauer <kmuehlbauer@wradlib.org>\r\nCo-authored-by: Deepak Cherian <dcherian@users.noreply.github.com>"
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 13221727 https://github.com/pydata/xarray/pull/7862  

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