Programm architecture simplified so that the EDA can now run individually without generation of .gds file
This commit is contained in:
@@ -11,14 +11,17 @@ const path = require('path');
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const root = path.resolve(__dirname, '..');
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const backendDir = path.join(root, 'backend');
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const serverPy = fs.readFileSync(path.join(backendDir, 'server.py'), 'utf8');
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const removedInternalPdkPath = ['mxpic', 'PDKs'].join('/');
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const removedEdaPdkRootName = 'EDA_' + 'PDK_ROOT';
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const removedYmlPathName = 'YML_' + 'PATH';
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assert(
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fs.existsSync(path.join(backendDir, 'layout_preview.py')),
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'backend/layout_preview.py should generate SVG previews from saved layout YAML'
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!fs.existsSync(path.join(backendDir, 'layout_preview.py')),
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'EDA backend should not keep the legacy local GDS/SVG preview builder'
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);
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assert(
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fs.existsSync(path.join(backendDir, 'pdk_registry.py')),
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'backend/pdk_registry.py should resolve public PDK YAML/GDS assets'
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!fs.existsSync(path.join(backendDir, 'pdk_registry.py')),
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'EDA backend should not keep the legacy local PDK GDS registry'
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);
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assert(
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fs.existsSync(path.join(backendDir, 'gds_builder.py')),
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@@ -29,12 +32,23 @@ assert(
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'backend/routed_layout_preview.py should create routed SVG previews through mxpic_router'
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);
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assert(
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serverPy.includes('create_layout_svg_from_gds'),
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'save-layout route should create a GDS-derived layout SVG preview'
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fs.existsSync(path.join(backendDir, 'router_dependency.py')),
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'backend/router_dependency.py should validate build-time mxpic_router runtime dependencies'
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);
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assert(
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serverPy.includes('create_routed_layout_svg'),
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'save-layout route should use routed preview generation when links exist'
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!serverPy.includes('from router_dependency import require_router_stack') &&
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!serverPy.includes('Verified mxpic_router stack') &&
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!serverPy.includes('require_router_stack()'),
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'server startup should not require mxpic_router; only build actions should validate the router stack'
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);
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assert(
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!serverPy.includes('create_layout_svg_from_gds'),
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'save-layout route should not use the legacy gdstk-only preview builder'
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);
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assert(
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serverPy.includes('create_routed_layout_svg') &&
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!serverPy.includes('if layout_has_links(content):'),
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'save-layout route should always use routed preview generation through mxpic_router'
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);
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assert(
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serverPy.includes('cell_routes_path') &&
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@@ -46,6 +60,13 @@ assert(
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serverPy.includes('svg_url'),
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'save-layout response should include an svg_url for the new layout tab'
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);
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assert(
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serverPy.includes('RouterStackUnavailable') &&
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serverPy.includes('except RouterStackUnavailable as e') &&
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serverPy.includes('"preview_status": preview_status') &&
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serverPy.includes('"preview_error": preview_error'),
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'save-layout should still return success and explain skipped SVG preview when mxpic_router is unavailable'
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);
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assert(
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serverPy.includes("@app.route('/api/projects/<project_name>/cells/<cell_name>/layout.svg')"),
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'server should expose a route for saved cell SVG previews'
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@@ -63,49 +84,56 @@ assert(
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'backend/technology_manifest.py should read generated technology manifests'
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);
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const techManifestPath = path.join(root, 'mxpic', 'PDKs', 'Silterra', 'EMO1_2ML_CU_Al_RDL', 'technology.yml');
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assert(
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fs.existsSync(techManifestPath),
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'Silterra technology.yml should be generated into the EDA PDK folder'
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);
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const techManifest = fs.readFileSync(techManifestPath, 'utf8');
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for (const xsection of ['strip', 'rib_low', 'metal_1', 'metal_2']) {
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assert(techManifest.includes(`${xsection}:`), `technology.yml should include ${xsection}`);
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}
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assert(techManifest.includes('family: optical'), 'technology.yml should classify optical xsections');
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assert(techManifest.includes('family: electrical'), 'technology.yml should classify electrical xsections');
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const layoutPreviewPy = fs.readFileSync(path.join(backendDir, 'layout_preview.py'), 'utf8');
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assert(
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layoutPreviewPy.includes('read_gds') || layoutPreviewPy.includes('load_gds'),
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'layout_preview.py should load public _BB.gds geometry, not draw only schematic boxes'
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!serverPy.includes(removedEdaPdkRootName) &&
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!serverPy.includes(removedYmlPathName) &&
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!serverPy.includes("'mxpic', 'PDKs'") &&
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!serverPy.includes(removedInternalPdkPath),
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'server should not use an internal EDA PDK copy as a separate technology source of truth'
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);
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assert(
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layoutPreviewPy.includes('_BB.gds') || layoutPreviewPy.includes('gds_path'),
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'layout_preview.py should resolve public GDS assets for placed components'
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serverPy.includes('pdks_root = current_pdk_root()') &&
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serverPy.includes('os.path.exists(os.path.join(technology_path, "technology.yml"))'),
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'technology list should scan the active role PDK root and only expose folders containing technology.yml'
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);
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assert(
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serverPy.includes('read_technology_manifest(current_pdk_root()'),
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'technology manifest API should read technology.yml from the active role PDK root'
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);
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assert(
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!fs.existsSync(path.join(root, 'mxpic')),
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'mxpic_EDA should not contain a redundant internal technology copy'
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);
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const gdsBuilderPy = fs.readFileSync(path.join(backendDir, 'gds_builder.py'), 'utf8');
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assert(
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gdsBuilderPy.includes('_cells_have_links') && gdsBuilderPy.includes('Routed Build GDS requires mxpic_router'),
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'Build GDS should not silently fall back to unrouted gdstk when links are present'
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gdsBuilderPy.includes('return _build_with_mxpic_router(') &&
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!gdsBuilderPy.includes('return _build_with_gdstk') &&
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!gdsBuilderPy.includes('return _build_with_nazca'),
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'Build GDS should use mxpic_router as the only production builder'
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);
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assert(
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gdsBuilderPy.includes('_cells_have_elements') &&
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gdsBuilderPy.includes('Build GDS with Port/Anchor elements requires Nazca') &&
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gdsBuilderPy.indexOf('if _cells_have_elements(cells):') < gdsBuilderPy.indexOf('return _build_with_gdstk'),
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'Build GDS should route layouts with Port/Anchor elements through Nazca so element pins survive as cell metadata'
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gdsBuilderPy.includes('from router_dependency import require_router_stack') &&
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gdsBuilderPy.includes('require_router_stack()'),
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'Build GDS API wrapper should validate mxpic_router only when a GDS build is requested'
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);
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const routedPreviewPy = fs.readFileSync(path.join(backendDir, 'routed_layout_preview.py'), 'utf8');
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assert(
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gdsBuilderPy.includes('_build_nazca_element_cells') &&
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gdsBuilderPy.includes('_build_nazca_element_cell') &&
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gdsBuilderPy.includes('element.get("pin_number"') &&
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gdsBuilderPy.includes('_element_pin_names') &&
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gdsBuilderPy.includes('nd.Pin(pin_name, width=width).put(0.0, y, 180.0)') &&
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gdsBuilderPy.includes('nd.Pin(anchor_pin_names[index * 2], width=width).put(0.0, y, 180.0)') &&
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gdsBuilderPy.includes('nd.Pin(anchor_pin_names[index * 2 + 1], width=width).put(0.0, y, 0.0)') &&
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gdsBuilderPy.includes('element_cell.put(x, y, rotation)'),
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'Nazca fallback should model Port and Anchor objects as placed element cells with named local nd.Pin definitions'
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routedPreviewPy.includes('from router_dependency import require_router_stack') &&
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routedPreviewPy.includes('require_router_stack(require_gdstk=True)'),
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'Build Layout preview should validate mxpic_router and gdstk only when preview generation is requested'
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);
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const routerDependencyPy = fs.readFileSync(path.join(backendDir, 'router_dependency.py'), 'utf8');
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assert(
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routerDependencyPy.includes('def require_router_stack') &&
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routerDependencyPy.includes('class RouterStackUnavailable') &&
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routerDependencyPy.includes('require_gdstk: bool = False') &&
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routerDependencyPy.includes('importlib.import_module("nazca")') &&
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routerDependencyPy.includes('mxpic_router.builder') &&
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routerDependencyPy.includes('_import_mxpic_forge_route'),
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'router dependency gate should validate mxpic_router, Nazca, optional gdstk, and route backend imports'
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);
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const routerDir = path.resolve(root, '..', 'mxpic_router', 'mxpic_router');
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@@ -144,3 +172,8 @@ assert(
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serverPy.includes('os.path.relpath(root, path_root)'),
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'library tree leaves should preserve component paths relative to the role PDK root'
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);
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assert(
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serverPy.includes('f.lower() != "technology.yml"') &&
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serverPy.includes('component_yml_files'),
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'component library scanning should ignore technology.yml so it can descend into technology folders'
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);
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@@ -32,6 +32,11 @@ assert(
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canvasHtml.includes('svg_url'),
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'Build Layout should use the backend svg_url response'
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);
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assert(
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canvasHtml.includes('result.preview_error') &&
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canvasHtml.includes('Preview skipped: '),
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'Build Layout should log when the backend saves YAML but skips SVG preview because the router stack is unavailable'
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);
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assert(
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canvasHtml.includes('layoutPreview'),
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'canvas pages should support a layoutPreview tab type'
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