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Optimize verbose rendered-color extraction and prepare v0.9.0 - #160
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Included review availability: This review used your included allowance. Your plan provides up to 2 included reviews per hour; 0 remain after this review. 📝 WalkthroughWalkthroughThis change adds hybrid color extraction for eligible saved ChangesHybrid color extraction
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Refactor Sequence Diagram(s)sequenceDiagram
participant Pipeline
participant ComBackend
participant color_hybrid
participant SavedWorkbook
participant ExcelCOM
Pipeline->>ComBackend: Pass workbook and available extraction session
ComBackend->>color_hybrid: Request color-map extraction
color_hybrid->>SavedWorkbook: Read supported saved styles and conditional-format ranges
color_hybrid->>ExcelCOM: Resolve rendered colors for candidate cells
color_hybrid->>ExcelCOM: Use legacy full scan when hybrid extraction falls back
color_hybrid-->>ComBackend: Return workbook color map
Merge Risk: ⚪ Minimal · up to The hybrid color extraction change falls back to the existing full scan for unsupported or failed cases, and no actionable merge-blocking issue remains in the reviewed changes. Security Architecture ReviewSecurity architecture risk: 🟡 Moderate · up to The existing interfaces and fallback behavior are preserved, but broad conditional-format ranges can trigger very large in-memory expansion. This introduces an availability concern when processing untrusted workbooks. Exposure beyond the extraction process depends on how the library is deployed. Retained concerns
Security review detailsSecurity Blast Radius
Security Findings and Attack Paths
Trust Boundaries and Controls
Resilience and Maintainability Implications
Hardening Proposals
🚥 Pre-merge checks | ✅ 3 | ❌ 2❌ Failed checks (2 warnings)
✅ Passed checks (3 passed)
Full details: Out of Scope Changes checkExplanation The version bump in Full details: Docstring CoverageExplanation Docstring coverage is 21.74% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 92 functions across 7 files. (4 skipped: 4 unsupported.)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
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Up to standards ✅🟢 Issues
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| Metric | Results |
|---|---|
| Complexity | 78 |
| Duplication | 0 |
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Inline comments:
Review comments at @benchmark/issue159_colors.py:
- Line 426: Update the hybrid measurement flow in `_extract_sheet` and the
`context_calls` assignment to capture `_display_format_calls` before its token
is reset, or omit `cells_context_display_format_calls` for hybrid measurements;
do not report a false zero when per-sheet or wrapper counts are nonzero.
Review comments at @dev-docs/adr/ADR-0015-hybrid-rendered-color-extraction.md:
- Line 110: Update the benchmark links in both documents to use the correct
repository-root-relative path. In
dev-docs/adr/ADR-0015-hybrid-rendered-color-extraction.md at lines 110–110,
change the final JSON link and the CF probe and results links to
../../benchmark/. In dev-docs/specs/hybrid-color-extraction.md at lines 158–158,
change the results link and both JSON links to ../../benchmark/.
Review comments at @src/exstruct/core/color_hybrid.py:
- Line 128: Update `_static_colors` to iterate only over stored worksheet cells
within the live UsedRange, rather than using `ws.iter_rows` to materialize blank
cells. Preserve candidate and fill handling for stored cells, and generate
missing coordinates with the default color only when `include_default` is true.
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- Configuration used: defaults
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⛔ Files ignored due to path filters (17)
benchmark/baselines/issue159-colors-cf-probe-windows-fixtures/dense_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-cf-probe-windows-fixtures/overlapping_formula.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-cf-probe-windows-fixtures/sparse_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-final-smoke-windows-fixtures/dense_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-final-smoke-windows-fixtures/overlapping_formula.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-final-smoke-windows-fixtures/sparse_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-final-smoke-windows-fixtures/static.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-final-windows-fixtures/sparse_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-final-windows-fixtures/static.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/dense_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/merged.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/multiple_sheets.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/overlapping_formula.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/sparse_cf.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/static.xlsxis excluded by!**/*.xlsxbenchmark/baselines/issue159-colors-windows-fixtures/theme_indexed.xlsxis excluded by!**/*.xlsxuv.lockis excluded by!**/*.lock
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CHANGELOG.mdbenchmark/baselines/issue159-colors-cf-probe-windows.jsonbenchmark/baselines/issue159-colors-final-smoke-windows.jsonbenchmark/baselines/issue159-colors-final-windows.jsonbenchmark/baselines/issue159-colors-windows.jsonbenchmark/issue159-results.mdbenchmark/issue159_colors.pydev-docs/adr/ADR-0015-hybrid-rendered-color-extraction.mddev-docs/adr/README.mddev-docs/adr/decision-map.mddev-docs/adr/index.yamldev-docs/specs/excel-extraction.mddev-docs/specs/hybrid-color-extraction.mdpyproject.tomlsrc/exstruct/core/backends/com_backend.pysrc/exstruct/core/cells.pysrc/exstruct/core/color_hybrid.pysrc/exstruct/core/pipeline.pytests/core/test_color_hybrid.py
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Summary
Reduce verbose rendered-color extraction costs by reading ordinary saved RGB fills without per-cell COM calls and asking Excel only for conditional-formatting candidates and ambiguous static colors. Preserve the existing colors map, default-background and ignored-color behavior. Excel still evaluates conditional formatting; unsupported XML/styles, unsaved workbooks and incompatible sessions use the legacy full scan. Failed candidate reads discard partial results and retry that scan.
pyproject.toml, the editable package inuv.lock, and the changelog.Closes #159.
Performance and compatibility
The final Windows / Excel 16.0 benchmark used 300 x 20 sheets, four combinations of default-background and ignored-color options, and three repeats. All 24 paired color maps matched exactly; expected conditional colors were verified.
These are configuration-specific medians on one machine, not universal timing thresholds. The separate 10-row probe verifies rendered colors for sparse, dense and overlapping formula rules; the overlapping formula fixture takes the legacy path because calculation makes the workbook unsaved. Dense formatting and conservative fallbacks retain full COM work. Initial fixtures that did not render conditional colors are retained as rejected evidence and explicitly excluded from correctness and performance conclusions.
See benchmark results and final raw measurements.
Tests
rtk uv run --all-extras pytest -m "not com and not render and not libreoffice" -qwithSKIP_COM_TESTS=1: 1,132 passed, 13 deselected; 4 existing openpyxl DrawingML warnings.rtk uv run --all-extras ruff check src/exstruct tests/core/test_color_hybrid.py: passed.rtk uv run --all-extras mypy src/exstruct: passed, 90 source files.rtk uv lock --checkandrtk git diff --check: passed.Review follow-up
Savedafter each sheet's activation/calculation. A false or unreadable state invalidates saved fills for the current and all remaining sheets, including when a later sheet reports saved again.cells_context_display_format_callsmeasurement. Historical raw JSON remains unchanged and its false-zero field is explicitly documented; wrapper and per-sheet log counts remain authoritative._extract_sheet_colors_comis not a documented public extension contract. CodeRabbit's default docstring percentage is not a repository CI requirement.SKIP_COM_TESTS=1withrtk uv run --all-extras pytest -m "not com and not render" -q: 1,138 passed, 1 skipped, 12 deselected, four existing DrawingML warnings. Ruff and mypy passed; lock and diff checks passed. Live Excel benchmarks were not rerun after these fixes.The independent review below covers the original commit, before these follow-up changes. Dense conditional-format candidate sets and requested default-background output may still scale with UsedRange; these fixes do not introduce a resource-limit policy.
Independent review
Orca-supervised Codex gpt-6-luna / xhigh reviewed exact commit
7f882ab2c0b8027f21590a1cd81edcf87900f9d2against63b7596ace01dbf2c490f39e6bc158eaf66062a4: Approve, no actionable findings. The reviewer independently reran the 28 hybrid regression tests and checked benchmark evidence and fixture hashes. It did not rerun the full suite or live Excel measurements. The report was preserved locally; review-specific sessions and the temporary worktree were removed.Remote CI is separate from these local results. This PR prepares release metadata; no tag, GitHub release or PyPI publication has been performed.
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