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Test against python 3.15 - #4544

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d-v-b merged 4 commits into
zarr-developers:mainfrom
clbarnes:feat/py315
Nov 2, 2026
Merged

Test against python 3.15#4544
d-v-b merged 4 commits into
zarr-developers:mainfrom
clbarnes:feat/py315

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@clbarnes

@clbarnes clbarnes commented Oct 21, 2026

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Summary

Adds the recently-released python 3.15 to various test matrices.

For reviewers

  • Are there any other places with hardcoded python versions?

Author attestation

  • I am a human, these are my changes, and I have reviewed and understood every change and can explain why each is correct.

TODO

  • Add unit tests and/or doctests in docstrings
  • Add docstrings and API docs for any new/modified user-facing classes and functions
  • New/modified features documented in docs/user-guide/*.md
  • Changes documented as a new file in changes/
  • GitHub Actions have all passed
  • Test coverage is 100% (Codecov passes)

@github-actions github-actions Bot added the needs release notes Automatically applied to PRs which haven't added release notes label Oct 21, 2026
@clbarnes clbarnes mentioned this pull request Oct 21, 2026
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@clbarnes

clbarnes commented Oct 21, 2026

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Blocked by cast-value-rs: zarr-developers/cast-value.rs#34

@d-v-b

d-v-b commented Oct 21, 2026

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thanks for this! and thanks for raising the issue in the upstream package

@d-v-b

d-v-b commented Oct 31, 2026

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the newer cast-value.rs release is out, but there are some other things this PR needs in order to work:

  • we need to fix how test_examples builds a local URL
  • we need to remove python 3.15 from the min_deps matrix, because min_deps always runs on 3.12

This was referenced Oct 31, 2026
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@codecov

codecov Bot commented Nov 1, 2026 •
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Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.84%. Comparing base (c5039b9) to head (4aa09b5).

Additional details and impacted files 
@@           Coverage Diff           @@
##             main    #4544   +/-   ##
=======================================
  Coverage   94.84%   94.84%           
=======================================
  Files          96       96           
  Lines       13998    13998           
=======================================
  Hits        13276    13276           
  Misses        722      722
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@d-v-b
d-v-b merged commit 51a6b77 into zarr-developers:main Nov 2, 2026
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@clbarnes @d-v-b