Add Copy Python script to Model Builder - #2019
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Included review availability: Your plan provides up to 8 included reviews per hour; 3 remain after this review. 📝 WalkthroughWalkthroughThe PR adds deterministic Python generation for processing model graphs, graph execution through scripting APIs, and clipboard support in Model Builder. Locale files add copy-status strings, relocate authentication translations, and expand Vietnamese coverage. ChangesModel Builder Python export
Estimated code review effort: 4 (Complex) | ~45 minutes Merge Risk: 🔵 Low · up to The new copy-script flow may associate generated result layers with the wrong output ports when some outputs are omitted, which could lead to incorrect output selection for affected models. This is a bounded risk that should be verified with explicit owner awareness before merge. Sequence Diagram(s)sequenceDiagram
participant User
participant ModelBuilderPanel
participant ScriptingAPI
participant HostMap
participant PythonMap
User->>PythonMap: run_model_builder(graph)
PythonMap->>HostMap: send runModelBuilder request
HostMap->>ScriptingAPI: relay graph execution
ScriptingAPI-->>HostMap: return terminal layer IDs
HostMap-->>PythonMap: return execution result
User->>ModelBuilderPanel: run model graph
ModelBuilderPanel->>ModelBuilderPanel: generate and store Python script
User->>ModelBuilderPanel: copy Python script
Poem
🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
✨ Finishing Touches 💡 1📝 Generate docstrings 💡
🧪 Generate unit tests (beta)
Warning There were issues while running some tools. Please review the errors and either fix the tool's configuration or disable the tool if it's a critical failure. 🔧 ESLint
apps/geolibre-desktop/src/lib/model-python-script.tstypescript-eslint does not support TS 7.0. Oops! Something went wrong! :( ESLint: 10.8.1 Error: typescript-eslint does not support TS 7.0. apps/geolibre-desktop/src/lib/scripting/scriptingApi.tsESLint skipped: the matched ESLint configuration already failed (config-incompatibility). tests/model-python-script.test.tsESLint skipped: the matched ESLint configuration already failed (config-incompatibility). Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out. Comment |
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| const outputs = new Map<string, string>(); | ||
| descriptor.outputs.forEach((port, index) => { | ||
| const variable = `step_${stepIndex}_${port.id.replace(/[^A-Za-z0-9_]/g, "_")}`; | ||
| lines.push(`${variable} = ${resultVariable}["resultLayerIds"][${index}]`); | ||
| outputs.set(port.id, variable); | ||
| }); |
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Bug (medium-high confidence): this assumes resultLayerIds[index] lines up positionally with descriptor.outputs[index], but the runtime that produces resultLayerIds does not guarantee that.
runAlgorithminapps/geolibre-desktop/src/lib/scripting/scriptingApi.ts(addResultLayer) only pushes an id when the producedFeatureCollectionhas at least one feature — an empty result is logged and silently skipped, shrinking the array.runWhiteboxToolin the same file skips any output that comes back as an "unretrievable" byte payload (a file rather than a vector/raster layer), which also shrinks the array relative todescriptor.outputs.
So for a tool with a single output that happens to produce zero features, the generated script's step_N_result["resultLayerIds"][0] will raise a Python IndexError when the user later re-runs it. For a multi-output tool (e.g. Whitebox split, exercised by this PR's own test) where an earlier output is dropped, later indices silently shift and reference the wrong layer instead of erroring.
Contrast this with the live graph executor (executeModelTool in ModelBuilderPanel.tsx, and runModelGraph in packages/processing/src/model-graph.ts), which both key outputs by port id, not by array position — that path is immune to this. Consider having run_algorithm/run_whitebox_tool return outputs keyed by port id (or otherwise avoid relying on resultLayerIds order matching descriptor.outputs order) so the generated script matches what actually happens at runtime.
| if (node.kind === "output") { | ||
| const edge = incoming.get(node.id)?.[0]; | ||
| const source = edge ? values.get(edge.from)?.get(edge.fromPort) : undefined; | ||
| if (source && node.name) lines.push(`m.rename_layer(${source}, ${pythonLiteral(node.name)})`); |
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Minor (low confidence): this checks the raw node.name, but the live executor names the output layer with node.name?.trim() || "Model output" (runModelGraph → emitOutput call in ModelBuilderPanel.tsx). A whitespace-only node.name is truthy here, so the generated script would emit m.rename_layer(source, " ") instead of matching the "Model output" fallback the actual run used — a small divergence between what running the graph produces and what the copied script reproduces.
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Actionable comments posted: 1
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Inline comments:
In `@apps/geolibre-desktop/src/lib/model-python-script.ts`:
- Around line 95-99: Update the output-variable construction in the
descriptor.outputs loop to include the output index in each generated Python
variable name, preventing sanitized port IDs from colliding while preserving the
existing resultLayerIds mapping and outputs entries. Add a test using two
colliding port IDs such as a-b and a_b, and verify both generated outputs are
consumed distinctly.
Apply the same fix in `@apps/geolibre-desktop/src/lib/model-python-script.ts`
around lines 95 - 99.
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Run ID: 0257b1fb-fe58-42f3-9aea-301b13befc2e
📒 Files selected for processing (22)
apps/geolibre-desktop/src/components/processing/model-builder/ModelBuilderPanel.tsxapps/geolibre-desktop/src/i18n/locales/ar.jsonapps/geolibre-desktop/src/i18n/locales/de.jsonapps/geolibre-desktop/src/i18n/locales/en.jsonapps/geolibre-desktop/src/i18n/locales/es.jsonapps/geolibre-desktop/src/i18n/locales/fa.jsonapps/geolibre-desktop/src/i18n/locales/fr.jsonapps/geolibre-desktop/src/i18n/locales/hi.jsonapps/geolibre-desktop/src/i18n/locales/id.jsonapps/geolibre-desktop/src/i18n/locales/it.jsonapps/geolibre-desktop/src/i18n/locales/ja.jsonapps/geolibre-desktop/src/i18n/locales/ka.jsonapps/geolibre-desktop/src/i18n/locales/ko.jsonapps/geolibre-desktop/src/i18n/locales/nl.jsonapps/geolibre-desktop/src/i18n/locales/pt.jsonapps/geolibre-desktop/src/i18n/locales/ru.jsonapps/geolibre-desktop/src/i18n/locales/th.jsonapps/geolibre-desktop/src/i18n/locales/tr.jsonapps/geolibre-desktop/src/i18n/locales/vi.jsonapps/geolibre-desktop/src/i18n/locales/zh.jsonapps/geolibre-desktop/src/lib/model-python-script.tstests/model-python-script.test.ts
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| variant="ghost" | ||
| className="h-7 shrink-0 gap-1 px-2" | ||
| onClick={() => void handleCopyPython()} | ||
| disabled={!pythonScript || running} |
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pythonScript is cleared on run-start/reset/new-model/load-model, but not on the many in-place setGraph calls that follow a successful run (adding/removing nodes, editing a parameter, rewiring an edge, dragging a node — e.g. handleCanvasDrop, addToolAtDefault, the node-field editor around line 1631, removeNode, removeEdge). The comment at line 301 documents this as intentional ("not later canvas edits"), but the "Copy Python" button gives no visual indication that the script may now be stale relative to the edited canvas — a user who tweaks a parameter after a successful run and then clicks Copy Python silently gets Python for the pre-edit graph. Given the component already tracks a dirty flag for a similar purpose (save prompts), consider clearing pythonScript on graph-mutating setGraph calls too, or otherwise surfacing that the copied script may not match the current canvas.
Confidence: medium — this is flagged as deliberate in the code comment, so it may be an accepted tradeoff rather than an oversight.
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CLAUDE.md
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Summary
Validation
npm run test:frontend(6,542 passed, 1 skipped)npm run build -w geolibre-desktopThe existing Thai and Vietnamese plural-category audit notices are unchanged and unrelated. Native-speaker corrections to the new translations are welcome.
Summary by CodeRabbit
New Features
Bug Fixes
Tests