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refactor: simplify internal chunk representation - #3899

Merged

d-v-b merged 41 commits into

zarr-developers:mainfrom

d-v-b:refactor/simplify-internal-chunk-representation

May 7, 2026

Merged

refactor: simplify internal chunk representation#3899
d-v-b merged 41 commits into
zarr-developers:mainfrom
d-v-b:refactor/simplify-internal-chunk-representation

Commits on Apr 10, 2026
- refactor: rename guess_chunks to more clearly indicate that it guesses regular chunks
  d-v-b
  committed
  5990390
- fix: use the same chunk normalization path in all cases
  d-v-b
  committed
  74ae11a
Commits on Apr 12, 2026
- refactor: use newtype pattern
  d-v-b
  committed
  9735a85
- docs: changelog
  d-v-b
  committed
  c40c5ff
- fix: handle 0-length arrays
  d-v-b
  committed
  a9b68d8
- test: test untested cases of chunk normalization
  d-v-b
  committed
  88e93ad
- fix: don't accept inane input
  d-v-b
  committed
  fcd5ab0
- test: check error states in normalize_chunks_1d
  d-v-b
  committed
  5c56197
Commits on Apr 13, 2026
- refactor: make resolvedchunking recursive to support nested sharding
  d-v-b
  committed
  9fc3fea
Commits on Apr 14, 2026
- Merge branch 'main' into refactor/simplify-internal-chunk-representation
  d-v-b
  authored
  2659f1c
Commits on Apr 16, 2026
- Merge branch 'main' into refactor/simplify-internal-chunk-representation
  d-v-b
  authored
  c6a5095
Commits on Apr 20, 2026
- Merge branch 'main' into refactor/simplify-internal-chunk-representation
  d-v-b
  authored
  fb7da3a
- test: add _assert_chunks_equal helper for ChunksTuple
  
  d-v-b
  and
  claude
  committed
  f6fc818
- perf: ChunksTuple uses 1D int64 arrays per axis
  
  d-v-b
  and
  claude
  committed
  14788aa
- revert: undo out-of-scope v3.py changes from 14788aa
  
  d-v-b
  and
  claude
  committed
  796a564
- fix: cast ChunksTuple elements to int at consumer sites in array.py
  
  d-v-b
  and
  claude
  committed
  62ce735
- fix: widen is_regular_* annotations and cast ChunksTuple in create_chunk_grid_metadata
  
  d-v-b
  and
  claude
  committed
  547836b
- test: cast ChunksTuple elements to int in create_array_metadata fixture
  
  d-v-b
  and
  claude
  committed
  e68cdfc
- test: rewrite ChunksTuple equality checks and add return-type characterization
  
  d-v-b
  and
  claude
  committed
  12a325a
- perf: vectorize is_regular_1d for ndarray inputs
  
  d-v-b
  and
  claude
  committed
  33ee8a1
- refactor: rename ResolvedChunking to ChunkLayout
  
  d-v-b
  and
  claude
  committed
  4bc4678
Commits on Apr 30, 2026
- Merge branch 'main' into refactor/simplify-internal-chunk-representation
  d-v-b
  authored
  6b02c13
Commits on May 5, 2026
- Merge branch 'main' into refactor/simplify-internal-chunk-representation
  d-v-b
  authored
  4668fe5
- chore: add informative error for invalid chunk grid parameter
  d-v-b
  committed
  b74b78d
- chore: make tests compact
  d-v-b
  committed
  2e8e8cb
- fix: typos
  d-v-b
  committed
  fc24c87
- test: add tests for regular grid helper functions
  d-v-b
  committed
  bdb32d2
- fix: reject chunks=True
  d-v-b
  committed
  f8a391e
Commits on May 6, 2026
Commits on May 7, 2026
- Merge branch 'main' into refactor/simplify-internal-chunk-representation
  d-v-b
  authored
  4d8df32
- chore: hoist imports
  d-v-b
  committed
  6a56483
- refactor: add as_regular_shape helper routine
  d-v-b
  committed
  0d56915
- Update src/zarr/core/chunk_grids.py
  
  d-v-b
  and
  maxrjones
  authored
  b3dd194
- Update src/zarr/core/chunk_grids.py
  
  d-v-b
  and
  maxrjones
  authored
  9a2c6f2
- Update src/zarr/core/array.py
  
  d-v-b
  and
  maxrjones
  authored
  e49c87d
- chore: cleanup
  d-v-b
  committed
  aff9cb5

Commits

Commits on Apr 10, 2026

Commits on Apr 12, 2026

Commits on Apr 13, 2026

Commits on Apr 14, 2026

Commits on Apr 16, 2026

Commits on Apr 20, 2026

Commits on Apr 30, 2026

Commits on May 5, 2026

Commits on May 6, 2026

Commits on May 7, 2026