Sync widgets demo

packages/tasks/.gitignore

@@ -0,0 +1 @@
+.python_generated

packages/tasks/package.json

@@ -44,6 +44,6 @@
 	"license": "MIT",
 	"devDependencies": {
 		"@types/node": "^20.11.5",
-		"quicktype-core": "https://github.com/huggingface/quicktype/raw/pack-18.0.15/packages/quicktype-core/quicktype-core-18.0.15.tgz"
+		"quicktype-core": "https://github.com/huggingface/quicktype/raw/pack-18.0.17/packages/quicktype-core/quicktype-core-18.0.17.tgz"
 	}
 }

packages/tasks/pnpm-lock.yaml

@@ -9,8 +9,8 @@ devDependencies:
     specifier: ^20.11.5
     version: 20.11.5
   quicktype-core:
-    specifier: https://github.com/huggingface/quicktype/raw/pack-18.0.15/packages/quicktype-core/quicktype-core-18.0.15.tgz
-    version: '@github.com/huggingface/quicktype/raw/pack-18.0.15/packages/quicktype-core/quicktype-core-18.0.15.tgz'
+    specifier: https://github.com/huggingface/quicktype/raw/pack-18.0.17/packages/quicktype-core/quicktype-core-18.0.17.tgz
+    version: '@github.com/huggingface/quicktype/raw/pack-18.0.17/packages/quicktype-core/quicktype-core-18.0.17.tgz'
 
 packages:
 
@@ -189,10 +189,10 @@ packages:
     engines: {node: '>= 14'}
     dev: true
 
-  '@github.com/huggingface/quicktype/raw/pack-18.0.15/packages/quicktype-core/quicktype-core-18.0.15.tgz':
-    resolution: {tarball: https://github.com/huggingface/quicktype/raw/pack-18.0.15/packages/quicktype-core/quicktype-core-18.0.15.tgz}
+  '@github.com/huggingface/quicktype/raw/pack-18.0.17/packages/quicktype-core/quicktype-core-18.0.17.tgz':
+    resolution: {tarball: https://github.com/huggingface/quicktype/raw/pack-18.0.17/packages/quicktype-core/quicktype-core-18.0.17.tgz}
     name: quicktype-core
-    version: 18.0.15
+    version: 18.0.17
     dependencies:
       '@glideapps/ts-necessities': 2.1.3
       '@types/urijs': 1.19.25

packages/tasks/scripts/inference-codegen.ts

@@ -14,6 +14,16 @@ const TYPESCRIPT_HEADER_FILE = `
 
 `;
 
+const PYTHON_HEADER_FILE = `
+# Inference code generated from the JSON schema spec in @huggingface/tasks.
+#
+# See:
+#   - script: https://github.com/huggingface/huggingface.js/blob/main/packages/tasks/scripts/inference-codegen.ts
+#   - specs:  https://github.com/huggingface/huggingface.js/tree/main/packages/tasks/src/tasks.
+`;
+
+const PYTHON_DIR = "./.python_generated";
+
 const rootDirFinder = function (): string {
 	let currentPath = path.normalize(import.meta.url);
 
@@ -62,9 +72,24 @@ async function generateTypescript(inputData: InputData): Promise<SerializedRende
 			"prefer-const-values": true,
 			"prefer-unknown": true,
 			"explicit-unions": true,
+			"runtime-typecheck": false,
 		},
 	});
 }
+
+async function generatePython(inputData: InputData): Promise<SerializedRenderResult> {
+	return await quicktype({
+		inputData,
+		lang: "python",
+		alphabetizeProperties: true,
+		rendererOptions: {
+			"just-types": true,
+			"nice-property-names": true,
+			"python-version": "3.7",
+		},
+	});
+}
+
 /**
  * quicktype is unable to generate "top-level array types" that are defined in the output spec: https://github.com/glideapps/quicktype/issues/2481
  * We have to use the TypeScript API to generate those types when required.
@@ -180,5 +205,17 @@ for (const { task, dirPath } of allTasks) {
 
 	console.log("   🩹 Post-processing the generated code");
 	await postProcessOutput(`${dirPath}/inference.ts`, outputSpec);
+
+	console.debug("   🏭 Generating Python code");
+	{
+		const { lines } = await generatePython(inputData);
+		const pythonFilename = `${task}.py`.replace(/-/g, "_");
+		const pythonPath = `${PYTHON_DIR}/${pythonFilename}`;
+		await fs.mkdir(PYTHON_DIR, { recursive: true });
+		await fs.writeFile(pythonPath, [PYTHON_HEADER_FILE, ...lines].join(`\n`), {
+			flag: "w+",
+			encoding: "utf-8",
+		});
+	}
 }
 console.debug("✅ All done!");