refactor/metadata package#3919

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d-v-b wants to merge 61 commits intozarr-developers:mainfrom

d-v-b:refactor/metadata-package

Commits on Apr 21, 2026

feat(metadata): scaffold zarr-metadata package structure

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build(metadata): depend on zarr-metadata via local uv workspace source

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feat(metadata): add JSON, NamedConfig, NamedRequiredConfig primitives

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feat(metadata): add v3 array metadata types

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feat(metadata): add v3 consolidated metadata type

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feat(metadata): add v3 group metadata type

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feat(metadata): wire up zarr_metadata.v3 re-exports

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feat(metadata): add faithful v2 array metadata types

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feat(metadata): add v2 group metadata type

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feat(metadata): add v2 consolidated metadata type (canonical impl, not spec)

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feat(metadata): wire up zarr_metadata.v2 re-exports

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feat(metadata): add ArrayMetadata, GroupMetadata version-polymorphic unions

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feat(metadata): add Codec envelope and blosc codec configurations

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feat(metadata): add dtype types (DType, LengthBytesConfig, FixedLengthBytesConfig, TimeConfig)

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test(metadata): smoke + structural tests for the package

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refactor(common): re-export JSON, NamedConfig, NamedRequiredConfig from zarr-metadata

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refactor(metadata): re-export v3 types from zarr-metadata

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refactor(metadata): re-export faithful v2 array metadata type

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refactor(codecs): re-export blosc codec configurations from zarr-metadata

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refactor(abc): re-export CodecJSON from zarr-metadata

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refactor(dtype): re-export DTypeJSON from zarr-metadata

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refactor(dtype): re-export LengthBytesConfig from zarr-metadata

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refactor(dtype): re-export FixedLengthBytesConfig from zarr-metadata

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refactor(dtype): re-export TimeConfig from zarr-metadata

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refactor(metadata): use tuple[int, ...] for fixed-length fields + typed NumcodecsConfig

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refactor(metadata): fix explicit re-exports and complete DateTimeUnit migration

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refactor(metadata): extract primitives to common.py to break import cycle

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fix(metadata): address review findings

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refactor(metadata): remove consolidated_metadata from GroupMetadataV3

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chore(metadata): don't track zarr-metadata's uv.lock

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feat(metadata): add v3 codec types for bytes, crc32c, gzip, zstd, transpose, sharding

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refactor(metadata): define codec envelope TypedDicts explicitly

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feat(metadata): add Final string constants for codec names and enum-valued fields

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docs(metadata): say "codec metadata" instead of "codec envelope"

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docs(metadata): use single-backtick markdown code formatting

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feat(metadata): add v3 spec data type metadata

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refactor(metadata): per-dtype modules with fill-value types and validators

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refactor(metadata): per-grid and per-encoding modules for chunk_grid + chunk_key_encoding

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refactor(metadata): move codec/ and dtype/ under v3/

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refactor(metadata): rename v3/dtype/ -> v3/data_type/

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Commits on Apr 27, 2026

Merge branch 'main' into refactor/metadata-package
d-v-b
authored

Commits on Apr 28, 2026

Commits on Apr 29, 2026