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Python changelog: JSONL store writes LF line endings on Windows

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Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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Libby 2026-11-13 02:55:58 +00:00
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packages/cultcache-py/CHANGELOG.md
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@ -8,6 +8,7 @@
### Changed
- `JsonLinesBackingStore` writes LF line endings on Windows. It wrote CRLF there, through `write_text` newline translation, before the commit_store_file change (#154, adbbb780).
- `msgpack` is a hard dependency, as `pyproject.toml` declared it. The optional-import fallbacks and the `cultcache-py[msgpack]` extra they named (which never existed) are gone: a missing msgpack is an `ImportError` at import.
- `JsonLinesBackingStore` writes through the same `commit_store_file` as the single-file store: a unique staged file, fsynced before the replace and removed when the replace fails, so a refused replace no longer leaves `<path>.tmp` behind. It staged a fixed `<path>.tmp` without an fsync.
- The single-file store's `push`, `push_all` and `delete` take the cross-process lock on `<path>.lock` (flock; LockFileEx over the whole file on Windows) across the read and the replace, waiting up to `lock_timeout` seconds (30 by default, `TimeoutError` after), and exclude the C#, Rust and TypeScript runtimes' writers. The staged file is `<path>.tmp-<pid>-<uuid>`, fsynced before the replace, with a directory fsync after it off Windows. A fixed `<path>.tmp` is no longer used.