refactor(cl2k): bundle the six framing knobs into one Framing object - #582
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Included review availability: 0 reviews are currently available. Your included PR review attempts over the past 7 days set your current allowance at 1 review per hour. 📝 WalkthroughWalkthroughThe change adds a frozen ChangesFraming Configuration Consolidation
Estimated code review effort: 3 (Moderate) | ~20 minutes Merge Risk: 🔵 Low · up to The refactor preserves the existing behavior and introduces no actionable functional merge blocker, but added backend documentation conflicts with the repository’s comment-density requirement; the change is mergeable with explicit owner follow-up to revise or remove that documentation. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
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Inline comments:
In `@backend/util/cl2k/geometry.py`:
- Around line 133-142: Shorten the Framing docstring near Framing in
backend/util/cl2k/geometry.py:133-142 to one or two lines describing the framing
bundle, removing implementation history and rationale. Also shorten the _framing
docstring in backend/api/cl2k_maker.py:272-279 to one or two lines describing
flat-field conversion and partial-crop behavior; no other changes are needed.
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📒 Files selected for processing (7)
backend/api/cl2k_maker.pybackend/modules/cl2k_maker.pybackend/util/cl2k/geometry.pybackend/util/cl2k/renderer.pytests/test_cl2k_maker.pytests/test_cl2k_mirror.pytests/test_cl2k_renderer.py
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CodeRabbit, against the repo's own path instructions: these carried implementation history and rationale rather than a one-or-two-line what/gotcha. The "why we bundled it" argument belongs in the PR body, where it already is. Kept the gotchas that stop someone breaking things — the wire format stays flat, a partial crop is ignored, and mirror lands at the end of framing because the AI mask is built in source space. Dropped the essays around them. Also trims the same violation in _framed_inset_base, which I wrote in #579 and which the diff-scoped review therefore never saw.
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Summary
focus_x/fit_mode/crop/v_pos/zoom/mirrorwere six separate parameters threaded through four layers — 41 occurrences across three backend files. Adding the sixth (mirror, #579) cost 24 mechanical signature edits and nothing else. This bundles them into onegeometry.Framing, so the seventh knob is a one-line change.Net −74 lines, and the deletion is concentrated where the threading was:
modules/cl2k_maker.py−74,renderer.py−60,api/cl2k_maker.py−49.Related issue
N/A — follow-up flagged in #579's structural review.
Type of change
Shape
Framingis a frozen dataclass ingeometry.py, which already owns the layout constants it is bounded by (ZOOM_MIN/MAX,V_POS_MIN/MAX).The wire format does not change. The frontend still posts flat scalars and every request model keeps its own fields;
_framing(req)at the API boundary is the single place that shape becomes the object, and every layer below passes it on untouched. No frontend change, no config migration, no API change.Two behaviours worth calling out, both preserved deliberately:
dataclasses.replace(framing, fit_mode="cover", crop=None, zoom=1.0, v_pos=0.0)— which keepsmirrorandfocus_x, exactly as the four-way tuple assignment did. There is now a test assertingmirrorsurvives that reset, because clearing it would silently un-flip every extended poster._crop_tuplewas folded into_framing; assembling the crop is part of building the framing, and it had one caller left.Testing
Behaviour parity, proven rather than argued. A matrix of 13 framings (focal point, v_pos both directions, zoom in and out, fit, crop, mirror, and combinations) rendered through all three entry points —
frame_backdrop,render_framed_art,render_square_art— on this commit and onmain, compared by pixel signature: 39 renders, all identical.Full suites:
pytest2124 passed,ruff check .clean.The threading tests from #579 got stronger as a side effect: they compared
seen["mirror"] is True, and now compare the wholeseen["framing"] == Framing(mirror=True)bundle — so a layer that rebuilds the object field by field and drops one fails.Screenshots
N/A — no user-visible change.
Checklist
DAPSreferences introducedSummary by CodeRabbit