30 lines
1017 B
JavaScript
30 lines
1017 B
JavaScript
// webworker.js
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// Setup your project to serve `py-worker.js`. You should also serve
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// `pyodide.js`, and all its associated `.asm.js`, `.json`,
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// and `.wasm` files as well:
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importScripts("https://cdn.jsdelivr.net/pyodide/v0.24.1/full/pyodide.js")
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async function loadPyodideAndPackages() {
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self.pyodide = await loadPyodide()
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}
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const pyodideReadyPromise = loadPyodideAndPackages()
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self.onmessage = async (event) => {
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// make sure loading is done
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await pyodideReadyPromise
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// Don't bother yet with this line, suppose our API is built in such a way:
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const { id, python, input } = event.data
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// Now is the easy part, the one that is similar to working in the main thread:
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try {
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let results = []
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self.pyodide.setStdin({ stdin: () => input })
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self.pyodide.setStdout({ batched: (str) => results.push(str) })
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await self.pyodide.runPythonAsync(python)
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self.postMessage({ results, error: "", id })
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} catch (error) {
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self.postMessage({ results: [], error: error.message, id })
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}
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}
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