onlinecodesimulator/pyodide-worker.js

58 lines
1.6 KiB
JavaScript

importScripts("https://cdn.jsdelivr.net/pyodide/v0.23.4/full/pyodide.js");
async function initializePyodide() {
self.pyodide = await loadPyodide({
indexURL: "https://cdn.jsdelivr.net/pyodide/v0.23.4/full/"
});
// Expose a function to send messages from Python to JavaScript
self.pyodide.globals.set("send_to_main", (event, data) => {
self.postMessage({ type: event, data: data });
});
// Define the fire() and turn(deg) functions in Python
self.pyodide.runPython(`
import sys
import pyodide
def fire():
pyodide.ffi.to_js(send_to_main)("fire", None)
def turn(deg):
pyodide.ffi.to_js(send_to_main)("turn", deg)
class ConsoleOutput:
def write(self, text):
if text.strip(): # Avoid empty writes
pyodide.ffi.to_js(send_to_main)("console", text)
return None # Prevent 'undefined' from appearing
def flush(self):
pass
sys.stdout = ConsoleOutput()
sys.stderr = ConsoleOutput()
`);
self.postMessage({ type: "ready" }); // Notify main thread that Pyodide is ready
}
initializePyodide();
self.onmessage = async (event) => {
if (!self.pyodide) {
self.postMessage({ type: "error", message: "Pyodide not initialized yet." });
return;
}
try {
let result = await self.pyodide.runPythonAsync(event.data.code);
if (result !== undefined && result !== null && result !== "") {
self.postMessage({ type: "console", data: result });
}
} catch (error) {
self.postMessage({ type: "error", message: error.toString() });
}
};