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fix: disable packages cache when local wheels are detected #184

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fix: disable packages cache when local wheels are detected #184

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7194ad7
[fix #2282] Disable packages cache when local wheels are present
Archmonger Jul 20, 2026
bae3af1
simplify regex per review feedback: (?:emfs|file)::\/\/ to avoid repe…
Archmonger Jul 23, 2026
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9 changes: 9 additions & 0 deletions esm/interpreter/pyodide.js
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Original file line number Diff line number Diff line change
Expand Up @@ -95,6 +95,15 @@ export default {
progress('Loading remote packages');
config.packages = (packages = await _remote_package([config, baseURL], packages));
progress('Loaded remote packages');
// Detect local wheels: packages that are paths (./ ../ / emfs:// file://)
// or URLs ending in .whl. When local wheels are present, disable IndexedDB
// caching unless the user explicitly sets packages_cache = "all".
// See https://github.com/pyscript/pyscript/issues/2282
if (packages && packages.some(pkg => /^(?:\.{1,2}\/|\/|(?:emfs|file):\/\/)/.test(pkg) || /\.whl(?:\?|$)/.test(pkg))) {
if (config.packages_cache !== 'all') {
config.packages_cache = 'never';
}
}
}
progress('Loading Storage');
const indexURL = url.slice(0, url.lastIndexOf('/'));
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