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Merged
merged 3 commits into from
Oct 21, 2025
Merged

Augment Pyodide with pre-fetched packages details #156

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c879c6e
Augment Pyodide with pre-fetched packages details
WebReflection Oct 20, 2025
cefdff0
0.19.4
WebReflection Oct 21, 2025
704f8e3
0.19.5
WebReflection Oct 21, 2025
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2 changes: 1 addition & 1 deletion docs/index.js
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2 changes: 1 addition & 1 deletion docs/index.js.map
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13 changes: 13 additions & 0 deletions docs/zip-COrdYVp5.js
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1 change: 1 addition & 0 deletions docs/zip-COrdYVp5.js.map
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2 changes: 2 additions & 0 deletions docs/zip-CakRHzZu.js
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1 change: 1 addition & 0 deletions docs/zip-CakRHzZu.js.map
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28 changes: 26 additions & 2 deletions esm/interpreter/pyodide.js
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,7 @@ const type = 'pyodide';
const toJsOptions = { dict_converter: Object.fromEntries };

const { stringify } = JSON;
const { hasOwn } = Object;

const { apply } = Reflect;
const FunctionPrototype = Function.prototype;
Expand Down Expand Up @@ -70,12 +71,35 @@ const indexURLs = new WeakMap();

export default {
type,
module: (version = '0.28.3') =>
module: (version = '0.29.0') =>
`https://cdn.jsdelivr.net/pyodide/v${version}/full/pyodide.mjs`,
async engine({ loadPyodide, version }, config, url, baseURL) {
progress('Loading Pyodide');
let { packages, index_urls } = config;
if (packages) packages = packages.map(fixedRelative, baseURL);
if (packages) {
packages = packages.map(fixedRelative, baseURL);
if (!index_urls) {
progress('Loading Packages Graph');
const { default: graph } = await import(/* webpackIgnore: true */'./pyodide_graph.js');
progress('Loaded Packages Graph');
if (hasOwn(graph, version)) {
const invalid = packages.filter(entry => {
// consider only packages by name
if (/^[a-zA-Z0-9_]/.test(entry)) {
const [name, ...rest] = entry.split(/[>=<]=/);
const known = hasOwn(graph[version], name);
return !known || (rest.length > 0 && rest[1] !== graph[version][name]);
}
return false;
});
if (invalid.length > 0) {
throw new Error(
`These packages are not supported in Pyodide ${version}: ${invalid.join(', ')}`
);
}
}
}
}
progress('Loading Storage');
const indexURL = url.slice(0, url.lastIndexOf('/'));
// each pyodide version shares its own cache
Expand Down
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