@vercel/fun
Version:
Local Lambda development environment
48 lines • 2.52 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.installPython = exports.generatePythonTarballUrl = void 0;
const tar_1 = require("tar");
const node_fetch_1 = __importDefault(require("node-fetch"));
const debug_1 = __importDefault(require("debug"));
const node_zlib_1 = require("node:zlib");
const debug = (0, debug_1.default)('@vercel/fun:install-python');
function generatePythonTarballUrl(version, platform = process.platform, arch = process.arch) {
return `https://python-binaries.zeit.sh/python-${version}-${platform}-${arch}.tar.gz`;
}
exports.generatePythonTarballUrl = generatePythonTarballUrl;
function installPython(dest, version, platform = process.platform, arch = process.arch) {
return __awaiter(this, void 0, void 0, function* () {
// For Apple M1 use the x64 binaries
if (platform === 'darwin' && arch === 'arm64') {
arch = 'x64';
}
const tarballUrl = generatePythonTarballUrl(version, platform, arch);
debug('Downloading Python %s tarball %o', version, tarballUrl);
const res = yield (0, node_fetch_1.default)(tarballUrl);
if (!res.ok) {
throw new Error(`HTTP request ${tarballUrl} failed: ${res.status}`);
}
return new Promise((resolve, reject) => {
debug('Extracting Python %s tarball to %o', version, dest);
res.body
.pipe((0, node_zlib_1.createGunzip)())
.pipe((0, tar_1.extract)({ strip: 1, C: dest }))
.on('error', reject)
.on('end', resolve);
});
});
}
exports.installPython = installPython;
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