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7.0: managed ZIP writer, parallel record writes, checksum verification, and Excel-conformance fixes - #141

Merged

GabrielMarquezMatte merged 43 commits into

masterfrom

develop

Oct 14, 2026

Merged

7.0: managed ZIP writer, parallel record writes, checksum verification, and Excel-conformance fixes#141
GabrielMarquezMatte merged 43 commits into
masterfrom
develop

Commits on Oct 13, 2026
- Implement BIFF8 enhancements for XLS writer
  GabrielMarquezMatte
  committed
  b8e31c2
- refactor: optimize cell record writing for improved performance
  GabrielMarquezMatte
  committed
  c5b09a6
- feat: implement RK and MULRK record handling for improved number encoding in XLS
  GabrielMarquezMatte
  committed
  69b2c32
- refactor: streamline cell writing methods and enhance Rk number encoding
  GabrielMarquezMatte
  committed
  58ccf40
- feat: add vectorized CRC-32 for the ZIP writer
  
  GabrielMarquezMatte
  and
  claude
  committed
  0eeff88
- feat: add streaming fixed-Huffman deflate encoder
  GabrielMarquezMatte
  committed
  35193f5
- fix: flush bit buffer at deflate block start
  GabrielMarquezMatte
  committed
  f347c90
- feat: add ZIP package writer mirroring ZipArchive's layout with Zip64
  
  GabrielMarquezMatte
  and
  claude
  committed
  9edc304
- fix: a failed entry write kills the entry and the archive
  GabrielMarquezMatte
  committed
  9a699b3
- style: block bodies in FailOnceWriteStream
  GabrielMarquezMatte
  committed
  f8617ba
- feat: Abandon writes the central directory best-effort and entry Flush reaches the output
  GabrielMarquezMatte
  committed
  45e95e7
- feat: write XLSX and XLSB packages through the managed ZIP writer
  GabrielMarquezMatte
  committed
  091e7a4
- fix: abandon the ZIP archive asynchronously after an async fault
  GabrielMarquezMatte
  committed
  ac2fe91
- test: fuzz the deflate encoder through both inflaters
  GabrielMarquezMatte
  committed
  5db9ada
- docs: record the managed ZIP write path and its benchmarks
  GabrielMarquezMatte
  committed
  5d70e79
- fix: fault the active sheet before abandoning the ZIP
  GabrielMarquezMatte
  committed
  fe02b33
- fix: harden the ZIP writer against disposed use, huge writes and big-endian
  GabrielMarquezMatte
  committed
  0be7a6a
- docs: align write benchmark tables with the latest run
  GabrielMarquezMatte
  committed
  2f1cd5a
- fix: update assertions in tests for corrupt sheet entries and XLS writer to handle edge cases
  GabrielMarquezMatte
  committed
  6709416
- fix: update MaxEncodedBlock calculation and optimize EncodeMatches method
  GabrielMarquezMatte
  committed
  222a043
- feat: combine two CRC-32 values without the data
  
  GabrielMarquezMatte
  and
  claude
  committed
  f22a3aa
- feat: compress byte-aligned deflate segments that concatenate
  GabrielMarquezMatte
  committed
  869ae44
- feat: append pre-compressed segments to a ZIP entry
  GabrielMarquezMatte
  committed
  91aee75
- feat: drain the offload writer without ending it
  
  GabrielMarquezMatte
  and
  claude
  committed
  cf5b753
- feat: run record batches in parallel with ordered, bounded output
  
  GabrielMarquezMatte
  and
  claude
  committed
  de31f34
- fix: keep a cancelled drain from leaving its barrier for the next one
  
  GabrielMarquezMatte
  and
  claude
  committed
  e4b8ecf
- feat: write XLSX records in parallel batches
  
  GabrielMarquezMatte
  and
  claude
  committed
  3acd81e
- feat: write XLSB records in parallel batches
  
  GabrielMarquezMatte
  and
  claude
  committed
  6534120
- docs: describe parallel record writes and their benchmarks
  
  GabrielMarquezMatte
  and
  claude
  committed
  b513887
- fix: harden parallel record writes after the final review
  GabrielMarquezMatte
  committed
  e7ac95f
- docs: say a cancelled parallel write ends the sheet and workbook
  GabrielMarquezMatte
  committed
  fb49d58
- docs: update the parallel write memory figures after pre-sizing worker buffers
  
  GabrielMarquezMatte
  and
  claude
  committed
  0d5e828
- fix: adjust row limit checks and add test for exceeding row limit
  GabrielMarquezMatte
  committed
  5a8a794
- fix: reject or escape writer input that Excel refuses or alters
  GabrielMarquezMatte
  committed
  25f4857
- refactor: improve readability by expanding single-line methods into multi-line format
  GabrielMarquezMatte
  committed
  f93ab72
- feat: verify ZIP entry checksums on read; unify writer exceptions
  GabrielMarquezMatte
  committed
  0394099
- feat: expose verify_zip_checksums in the bindings; checksum on the prefetch thread
  GabrielMarquezMatte
  committed
  b106c9d
- fix: read Excel's line breaks, attributed <v> and XLS shared-formula strings
  GabrielMarquezMatte
  committed
  0f038ae
- fix: bindings timestamp zone handling, Python int overflow and as_date
  GabrielMarquezMatte
  committed
  904063a
- perf(native): regenerate the static PGO profile
  GabrielMarquezMatte
  committed
  3e7eebe
- fix: bind numeric cells to bool, enums and parsable types in XLSB and XLS; TimeOnly from text
  GabrielMarquezMatte
  committed
  a70c5ae
- Merge branch 'master' into develop
  GabrielMarquezMatte
  authored
  05684b6
- fix: enhance Zip package writer tests to ignore OS-specific fields in assertions
  GabrielMarquezMatte
  committed
  6c46480

Commits

Commits on Oct 13, 2026