Split attrs docs #5418
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Split attrs docs #5418
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## FEATURE_split_attrs #5418 +/- ##
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Coverage 89.41% 89.41%
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Closes #4989 |
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For the record: I was also planning to create a new technical paper / further topic for NetCDF I/O, add a section on attributes, and make it clear that there was more left to write on other topics. No time to do this in the immediate future. |
pp-mo
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I agree that this is sufficient, and that we lack a suitable context to contain a deeper discussion, and that this is not the time to write a general account of netcdf file operations !
I'm happy to merge this as-is now, but we should do a final review of how it all looks before merging back to main.
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Nov 21, 2023
* Split-attrs: Cube metadata refactortests (#4993) * Convert Test___eq__ to pytest. * Convert Test_combine to pytest. * Convert Test_difference to pytest. * Review changes. * Split attrs - tests for status quo (#4960) * Tests for attribute handling in netcdf load/save. * Tidy test functions. * Fix import order exception. * Add cf-global attributes test. * Towards more pytest-y implemenation. * Replace 'create_testcase' with fixture which also handles temporary directory. * Much tidy; use fixtures to parametrise over multiple attributes. * Fix warnings; begin data-style attrs tests. * Tests for data-style attributes. * Simplify setup fixture + improve docstring. * No parallel test runner, to avoid error for Python>3.8. * Fixed for new-style netcdf module. * Small review changes. * Rename attributes set 'data-style' as 'local-style'. * Simplify use of fixtures; clarify docstrings/comments and improve argument names. * Clarify testing sections for different attribute 'styles'. * Re-enable parallel testing. * Sorted params to avoid parallel testing bug - pytest#432. * Rename test functions to make alpha-order match order in class. * Split netcdf load/save attribute testing into separate sourcefile. * Add tests for loaded cube attributes; refactor to share code between Load and Roundtrip tests. * Add tests for attribute saving. * Fix method names in comments. * Clarify source of Conventions attributes. * Explain the test numbering in TestRoundtrip/TestLoad. * Remove obsolete test helper method. * Fix small typo; Fix numbering of testcases in TestSave. * Implement split cube attributes. (#5040) * Implement split cube attributes. * Test fixes. * Modify examples for simpler metadata printouts. * Added tests, small behaviour fixes. * Simplify copy. * Fix doctests. * Skip doctests with non-replicable outputs (from use of sets). * Tidy test comments, and add extra test. * Tiny typo. * Remove redundant redefinition of Cube.attributes. * Add CubeAttrsDict in module __all__ + improve docs coverage. * Review changes - small test changes. * More review changes. * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Fix CubeAttrsDict example docstrings. * [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci * Odd small fixes. * Improved docstrings and comments; fix doctests. * Don't sidestep netcdf4 thread-safety. * Publicise LimitedAttributeDict, so CubeAttrsDict can refer to it. * Fix various internal + external links. * Update lib/iris/cube.py Co-authored-by: Martin Yeo <[email protected]> * Update lib/iris/cube.py Co-authored-by: Martin Yeo <[email protected]> * Update lib/iris/cube.py Co-authored-by: Martin Yeo <[email protected]> * Update lib/iris/cube.py Co-authored-by: Martin Yeo <[email protected]> * Streamline docs. * Review changes. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Martin Yeo <[email protected]> * Splitattrs ncload (#5384) * Distinguish local+global attributes in netcdf loads. * Small test fixes. * Small doctest fix. * Fix attribute load-save tests for new behaviour, and old-behaviour equivalence. * Split attrs docs (#5418) * Clarification in CubeAttrsDict examples. * CubeAttrsDict fix docstring typo. * Raise awareness of split attributes in user guide. * What's New entry. * Changes to metadata documentation. * Splitattrs ncsave redo (#5410) * Add docs and future switch, no function yet. * Typing enables code completion for Cube.attributes. * Make roundtrip checking more precise + improve some tests accordingly (cf. #5403). * Rework all tests to use common setup + results-checking code. * Saver supports split-attributes saving (no tests yet). * Tiny docs fix. * Explain test routines better. * Fix init of FUTURE object. * Remove spurious re-test of FUTURE.save_split_attrs. * Don't create Cube attrs of 'None' (n.b. but no effect as currently used). * Remove/repair refs to obsolete routines. * Check all warnings from save operations. * Remove TestSave test numbers. * More save cases: no match with missing, and different cube attribute types. * Run save/roundtrip tests both with+without split saves. * Fix. * Review changes. * Fix changed warning messages. * Move warnings checking from 'run' to 'check' phase. * Simplify and improve warnings checking code. * Fix wrong testcase. * Minor review changes. * Fix reverted code. * Use sets to simplify demoted-attributes code. * WIP * Working with iris 3.6.1, no errors TestSave or TestRoundtrip. * Interim save (incomplete?). * Different results form for split tests; working for roundtrip. * Check that all param lists are sorted. * Check matrix result-files compatibility; add test_save_matrix. * test_load_matrix added; two types of load result. * Finalise special-case attributes. * Small docs tweaks. * Add some more testcases, * Ensure valid sort-order for globals of possibly different types. * Initialise matrix results with legacy values from v3.6.1 -- all matching. * Add full current matrix results, i.e. snapshot current behaviours. * Review changes : rename some matrix testcases, for clarity. * Splitattrs ncsave redo commonmeta (#5538) * Define common-metadata operartions on split attribute dictionaries. * Tests for split-attributes handling in CubeMetadata operations. * Small tidy and clarify. * Common metadata ops support mixed split/unsplit attribute dicts. * Clarify with better naming, comments, docstrings. * Remove split-attrs handling to own sourcefile, and implement as a decorator. * Remove redundant tests duplicated by matrix testcases. * Newstyle split-attrs matrix testing, with fewer testcases. * Small improvements to comments + docstrings. * Fix logic for equals expectation; expand primary/secondary independence test. * Clarify result testing in metadata operations decorator. * Splitattrs equalise (#5586) * Add tests in advance for split-attributes handling cases. * Move dict conversion inside utility, for use elsewhere. * Add support for split-attributes to equalise_attributes. * Update lib/iris/util.py Co-authored-by: Martin Yeo <[email protected]> * Update lib/iris/tests/unit/util/test_equalise_attributes.py Co-authored-by: Martin Yeo <[email protected]> * Simplify and clarify equalise_attributes code. --------- Co-authored-by: Martin Yeo <[email protected]> * Fix merge-fail messaging for attribute mismatches. (#5590) * Extra CubeAttrsDict methods to emulate dictionary behaviours. (#5592) * Extra CubeAttrsDict methods to emulate dictionary behaviours. * Don't use staticmethod on fixture. * Add Iris warning categories to saver warnings. * Type equality fixes for new flake8. * Licence header fixes. * Splitattrs ncsave deprecation (#5595) * Small improvement to split-attrs whatsnew. * Emit deprecation warning when saving without split-attrs enabled. * Stop legacy-split-attribute warnings from upsetting delayed-saving tests. --------- Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com> Co-authored-by: Martin Yeo <[email protected]>
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🚀 Pull Request
Resolves #4989
Description
This is very bare, but as @pp-mo has pointed out there just isn't currently an appropriate place to discuss NetCDF I/O. Raising the profile any further would disproportionately focus on attribute handling and read very strangely. I've made a
# TODO:as a placeholder and should probably create an issue tomorrow.Consult Iris pull request check list