Support 'autorun: true' code blocks

_extensions/pyodide/qpyodide-cell-initialization.js

@@ -4,4 +4,53 @@ qpyodideCellDetails.map(
       // Handle the creation of the element
       qpyodideCreateCell(entry);
     }
-  );
+  );
+
+// Auto-run cells that have autorun option set
+(async function() {
+  // Wait for Pyodide to be fully ready (poll until mainPyodide is available)
+  const waitForPyodide = () => {
+    return new Promise((resolve) => {
+      const check = () => {
+        if (typeof mainPyodide !== 'undefined' && mainPyodide) {
+          resolve(mainPyodide);
+        } else {
+          setTimeout(check, 100);
+        }
+      };
+      check();
+    });
+  };
+
+  await waitForPyodide();
+
+  // Run cells with autorun option
+  for (const entry of qpyodideCellDetails) {
+    if (entry.options?.autorun === 'true' || entry.options?.autorun === true) {
+      try {
+        await mainPyodide.loadPackagesFromImports(entry.code);
+        const output = await mainPyodide.runPythonAsync(entry.code);
+
+        // Display output in the cell's output area if it exists
+        const outputDiv = document.getElementById(`qpyodide-output-code-area-${entry.id}`);
+        if (outputDiv && output) {
+          const pre = document.createElement("pre");
+          const div = document.createElement("div");
+          div.textContent = String(output);
+          pre.appendChild(div);
+          outputDiv.innerHTML = "";
+          outputDiv.appendChild(pre);
+        }
+      } catch (err) {
+        const outputDiv = document.getElementById(`qpyodide-output-code-area-${entry.id}`);
+        if (outputDiv) {
+          const pre = document.createElement("pre");
+          pre.style.color = "red";
+          pre.textContent = String(err);
+          outputDiv.innerHTML = "";
+          outputDiv.appendChild(pre);
+        }
+      }
+    }
+  }
+})();