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Modify Emscripten support to use ES6 modules.
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Misc/NEWS.d/next/Build/2024-11-20-17-12-40.gh-issue-126898.I2zILt.rst
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The Emscripten build of Python is now based on ES6 modules. |
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import EmscriptenModule from "./python.mjs"; | ||
import { dirname } from 'node:path'; | ||
import { fileURLToPath } from 'node:url'; | ||
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if (process?.versions?.node) { | ||
const nodeVersion = Number(process.versions.node.split(".", 1)[0]); | ||
if (nodeVersion < 18) { | ||
process.stderr.write( | ||
`Node version must be >= 18, got version ${process.version}\n`, | ||
); | ||
process.exit(1); | ||
} | ||
} | ||
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const settings = { | ||
preRun(Module) { | ||
const __dirname = dirname(fileURLToPath(import.meta.url)); | ||
Module.FS.mkdirTree("/lib/"); | ||
Module.FS.mount(Module.FS.filesystems.NODEFS, { root: __dirname + "/lib/" }, "/lib/"); | ||
}, | ||
// The first three arguments are: "node", path to this file, path to | ||
// python.sh. After that come the arguments the user passed to python.sh. | ||
arguments: process.argv.slice(3), | ||
// Ensure that sys.executable, sys._base_executable, etc point to python.sh | ||
// not to this file. To properly handle symlinks, python.sh needs to compute | ||
// its own path. | ||
thisProgram: process.argv[2], | ||
}; | ||
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await EmscriptenModule(settings); |
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