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Fix Pyodide asset paths for base path deploys #4

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Merged
ticoder00 merged 1 commit into from
Apr 12, 2026
Merged

Fix Pyodide asset paths for base path deploys #4

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9 changes: 7 additions & 2 deletions ui/lib/pyodide.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,13 +7,18 @@

const PYODIDE_VERSION = "0.29.3";
const PYODIDE_INDEX_URL = `https://cdn.jsdelivr.net/pyodide/v${PYODIDE_VERSION}/full/`;
const BASE_PATH = process.env.NEXT_PUBLIC_BASE_PATH ?? "";

// eslint-disable-next-line @typescript-eslint/no-explicit-any
type Pyodide = any;

let _instance: Pyodide | null = null;
let _promise: Promise<Pyodide> | null = null;

function withBasePath(path: string) {
return `${BASE_PATH}${path}`;
}

function injectScript(src: string): Promise<void> {
return new Promise((resolve, reject) => {
if (document.querySelector(`script[src="${src}"]`)) {
Expand Down Expand Up @@ -43,8 +48,8 @@ export function getPyodide(): Promise<Pyodide> {
await pyodide.loadPackage(["numpy", "micropip"]);

// Fetch manifest written by prebuild.mjs to get the versioned wheel filename
const { wheel } = await fetch("/_pkg/manifest.json").then((r) => r.json());
const wheelUrl = `${window.location.origin}/_pkg/${wheel}`;
const { wheel } = await fetch(withBasePath("/_pkg/manifest.json")).then((r) => r.json());
const wheelUrl = new URL(withBasePath(`/_pkg/${wheel}`), window.location.origin).toString();
await pyodide.runPythonAsync(`
import micropip
await micropip.install("${wheelUrl}")
Expand Down
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