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Experimenal Pyodide in MicroPython #150

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Experimenal Pyodide in MicroPython #150

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36 changes: 23 additions & 13 deletions test/raw/micropython/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -4,22 +4,32 @@
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<script type="module">
import { serialize } from 'https://esm.run/@ungap/serialization-registry';
import '../converter.js';

globalThis.test = arg => {
console.log(...serialize(arg));
};

const base = 'https://cdn.jsdelivr.net/npm/@micropython/micropython-webassembly-pyscript@latest';
const { loadMicroPython } = await import(`${base}/micropython.mjs`);
const interpreter = await loadMicroPython({ url: `${base}/micropython.wasm` });
const { textContent } = document.querySelector('script[type=micropython]');
interpreter.runPythonAsync(textContent);
const worker = new Worker('./worker.js', { type: 'module' });
worker.postMessage(textContent);
let i = 0;
(function idle() {
requestAnimationFrame(idle);
document.body.textContent = i++;
}());
</script>
<script type="micropython" async>
import js
js.test([{'a': 123}, {'a': 456}])
import pyodide

print("importing pyodide.sys")

sys = await pyodide.sys
print(sys.version)

print("---")

sys = await pyodide.sys
print(sys.version)

print("---")

pandas = await pyodide.pandas
print(pandas.__version__)
</script>
</head>
</html>
41 changes: 41 additions & 0 deletions test/raw/micropython/worker.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
const { promise, resolve } = Promise.withResolvers();

addEventListener('message', async ({ data }) => {
await promise;
await interpreter.runPythonAsync(data);
});

// Instant MicroPython
const base = 'https://cdn.jsdelivr.net/npm/@micropython/micropython-webassembly-pyscript@latest';
const { loadMicroPython } = await import(`${base}/micropython.mjs`);
const interpreter = await loadMicroPython({ url: `${base}/micropython.wasm` });

// Lazy Pyodide
let pyodide;
interpreter.registerJsModule('pyodide', new Proxy(new Map, {
async get(locals, prop) {
const [ module ] = prop.split(/[@<>=]/);
if (!locals.has(module)) {
if (!pyodide) {
const { loadPyodide } = await import(`https://cdn.jsdelivr.net/pyodide/v0.28.1/full/pyodide.mjs`);
pyodide = await loadPyodide({ indexURL: 'https://cdn.jsdelivr.net/pyodide/v0.28.1/full' });
}
try {
pyodide.runPython(`import ${module}`, { locals });
}
catch {
let micropip = locals.get('micropip');
if (!micropip) {
await pyodide.loadPackage('micropip');
micropip = pyodide.pyimport('micropip');
locals.set('micropip', micropip);
}
await micropip.install([prop], { keep_going: true });
pyodide.runPython(`import ${module}`, { locals });
}
}
return locals.get(module);
}
}));

resolve();