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fix(storage): open ZipStore archive on first use from every method and reopen it without truncating - #4450

Merged

d-v-b merged 35 commits into

zarr-developers:mainfrom

d-v-b:fix/zipstore-open-lifecycle

Oct 26, 2026

Merged

fix(storage): open ZipStore archive on first use from every method and reopen it without truncating#4450
d-v-b merged 35 commits into
zarr-developers:mainfrom
d-v-b:fix/zipstore-open-lifecycle

Commits on Nov 20, 2025
- fix: ensure `ZipStore` is open before acquiring lock
  oelhammouchi
  committed
  7154260
Commits on Nov 21, 2025
- Merge branch 'main' into fix-zip-lock
  d-v-b
  authored
  64940a1
Commits on Nov 27, 2025
- Merge branch 'main' into fix-zip-lock
  d-v-b
  authored
  2aa6e14
Commits on Dec 25, 2025
- Merge branch 'zarr-developers:main' into fix-zip-lock
  oelhammouchi
  authored
  d59a4ae
- refactor: Cleanup open check in ZipStore
  Othman El Hammouchi
  committed
  35f8019
- test: Add test to check that lock is present when required
  Othman El Hammouchi
  committed
  05970a2
- refactor: Add return type to `_sync_ensure_open`
  Othman El Hammouchi
  committed
  864e445
Commits on Jan 8, 2026
- Merge branch 'main' into fix-zip-lock
  d-v-b
  authored
  4487ab3
Commits on Jan 13, 2026
- docs: Add release note
  Othman El Hammouchi
  committed
  f85b29c
- Merge branch 'main' into fix-zip-lock
  d-v-b
  authored
  d77583a
Commits on Mar 11, 2026
- Merge branch 'main' into fix-zip-lock
  d-v-b
  authored
  8688953
Commits on Sep 29, 2026
- Merge remote-tracking branch 'upstream/main' into fix/zipstore-open-lifecycle
  d-v-b
  committed
  6422ee7
- fix(storage): open ZipStore archive through one accessor and reopen in append mode
  
  d-v-b
  and
  Othman El Hammouchi
  committed
  adbed18
- docs: rename changelog fragment to PR number
  d-v-b
  committed
  119e7a9
- test(storage): make ZipStore reopen tests exercise the reopen
  d-v-b
  committed
  d24126c
- fix(storage): hold the ZipStore lock for all of close()
  d-v-b
  committed
  4f166dc
- fix(storage): hold the ZipStore lock across move() and every open
  d-v-b
  committed
  fdf16c7
- docs: note move() in the ZipStore changelog fragment
  d-v-b
  committed
  62cb610
- fix(storage): accept mode "x" in ZipStoreAccessModeLiteral
  d-v-b
  committed
  edf2a0c
- fix(storage): refuse to reopen a ZipStore on a write-only file object
  d-v-b
  committed
  698c2c0
- fix(storage): make ZipStore close() exception-safe and check first use under the lock
  d-v-b
  committed
  45cd41f
- fix(storage): refuse to reopen a ZipStore whose close() failed
  d-v-b
  committed
  ee6033f
- fix(storage): leave a ZipStore closed when clear() fails partway
  d-v-b
  committed
  c93bfda
- fix(storage): let clear() recover a ZipStore whose close() failed
  d-v-b
  committed
  c3c3420
- test(storage): close ZipStores over file objects when a reuse test fails
  d-v-b
  committed
  9cb2c53
- fix(storage): open unpickled ZipStores lazily and refuse to reopen an unfinished archive
  d-v-b
  committed
  a93ee73
- docs: describe the unpickling fix from main's side in the ZipStore fragment
  d-v-b
  committed
  badf49d
- fix(storage): let ZipStore.clear() replace a damaged or missing archive
  d-v-b
  committed
  19f118d
- fix(storage): narrow ZipStore.clear()'s first open to mode "x" and report OS errors on reopen
  d-v-b
  committed
  a0d2b42
- refactor(storage): drop a redundant condition from ZipStore.clear()
  d-v-b
  committed
  0d25f13
- Merge branch 'main' into fix/zipstore-open-lifecycle
  d-v-b
  authored
  5b340cd
Commits on Oct 3, 2026
- docs: credit #3593 in the ZipStore changelog fragment
  d-v-b
  committed
  92ef86c
- Merge remote-tracking branch 'upstream/main' into HEAD
  d-v-b
  committed
  0a48e5b
Commits on Oct 5, 2026
- docs(zipstore): shorten the changelog fragment and give the new tests docstrings
  d-v-b
  committed
  d0958ad
Commits on Oct 26, 2026
- Merge branch 'main' into fix/zipstore-open-lifecycle
  d-v-b
  authored
  f5977e6

Commits

Commits on Nov 20, 2025

Commits on Nov 21, 2025

Commits on Nov 27, 2025

Commits on Dec 25, 2025

Commits on Jan 8, 2026

Commits on Jan 13, 2026

Commits on Mar 11, 2026

Commits on Sep 29, 2026

Commits on Oct 3, 2026

Commits on Oct 5, 2026

Commits on Oct 26, 2026