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Engine-parametric imports in code preview header #307

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Merged
milanofthe merged 1 commit into from
Jun 2, 2026
Merged

Engine-parametric imports in code preview header #307

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9 changes: 5 additions & 4 deletions src/lib/utils/codePreviewHeader.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,7 @@ import { nodeRegistry, type NodeInstance } from '$lib/nodes';
import { eventRegistry, type EventInstance } from '$lib/events';
import { NODE_TYPES } from '$lib/constants/nodeTypes';
import { blockImportPaths } from '$lib/nodes/generated/blocks';
import { ENGINE_MODULE, enginePath } from '$lib/constants/engine';

/**
* Extract Python identifiers from a string (parameter values)
Expand Down Expand Up @@ -131,7 +132,7 @@ export function generateBlockCodeHeader(node: NodeInstance, codeContext: string)
// Imports
lines.push('import numpy as np');
if (node.type === NODE_TYPES.SUBSYSTEM) {
lines.push('from pathsim import Subsystem, Interface, Connection');
lines.push(`from ${ENGINE_MODULE} import Subsystem, Interface, Connection`);
const blockClasses = new Set<string>();
collectSubsystemBlockClasses(node, blockClasses);
if (blockClasses.size > 0) {
Expand All @@ -142,7 +143,7 @@ export function generateBlockCodeHeader(node: NodeInstance, codeContext: string)
for (const cls of [...blockClasses].sort()) {
const def = nodeRegistry.get(cls);
const importPath =
def?.importPath ?? blockImportPaths[cls] ?? 'pathsim.blocks';
enginePath(def?.importPath ?? blockImportPaths[cls] ?? 'pathsim.blocks');
const group = importGroups.get(importPath) || [];
group.push(cls);
importGroups.set(importPath, group);
Expand All @@ -153,7 +154,7 @@ export function generateBlockCodeHeader(node: NodeInstance, codeContext: string)
}
} else {
const importPath =
typeDef.importPath ?? blockImportPaths[typeDef.blockClass] ?? 'pathsim.blocks';
enginePath(typeDef.importPath ?? blockImportPaths[typeDef.blockClass] ?? 'pathsim.blocks');
lines.push(`from ${importPath} import ${typeDef.blockClass}`);
}

Expand Down Expand Up @@ -184,7 +185,7 @@ export function generateEventCodeHeader(event: EventInstance, codeContext: strin

// Imports
lines.push('import numpy as np');
lines.push(`from pathsim.events import ${typeDef.eventClass}`);
lines.push(`from ${ENGINE_MODULE}.events import ${typeDef.eventClass}`);

// Extract referenced code context
const paramValues = Object.values(event.params).filter(v => v != null && v !== '').join(' ');
Expand Down
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