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const { execSync } = require('child_process');
const path = require('path');
const fs = require('fs');
const https = require('https');
const { promisify } = require('util');
const stream = require('stream');
const pipeline = promisify(stream.pipeline);
const extract = require('extract-zip');
const projectRoot = path.join(__dirname, '..', '..');
const pythonPath = path.join(projectRoot, 'python_embedded');
const dllPath = path.join(projectRoot, 'dll_empty');
const PYTHON_URL = 'https://www.python.org/ftp/python/3.10.11/python-3.10.11-embed-amd64.zip';
const PIP_URL = 'https://bootstrap.pypa.io/get-pip.py';
async function downloadFile(url, dest) {
console.log(`Downloading ${url}...`);
const file = fs.createWriteStream(dest);
return new Promise((resolve, reject) => {
https.get(url, (response) => {
if (response.statusCode === 302 || response.statusCode === 301) {
// Handle redirect
return downloadFile(response.headers.location, dest).then(resolve).catch(reject);
}
response.pipe(file);
file.on('finish', () => {
file.close();
console.log(`Downloaded to ${dest}`);
resolve();
});
}).on('error', (err) => {
fs.unlink(dest, () => {}); // Delete the file on error
reject(err);
});
});
}
async function setupEmbeddedPython() {
console.log('Setting up embedded Python...');
// Delete existing directories
if (fs.existsSync(pythonPath)) {
fs.rmSync(pythonPath, { recursive: true, force: true });
console.log('Deleted existing Python directory');
}
if (fs.existsSync(dllPath)) {
fs.rmSync(dllPath, { recursive: true, force: true });
console.log('Deleted existing dll directory');
}
// Create directories
fs.mkdirSync(pythonPath, { recursive: true });
fs.mkdirSync(dllPath, { recursive: true });
console.log('Created Python and dll directories');
// Download Python
const pythonZip = path.join(projectRoot, 'python-3.10.11-embed-amd64.zip');
if (!fs.existsSync(pythonZip)) {
await downloadFile(PYTHON_URL, pythonZip);
}
// Extract Python
console.log('Extracting Python...');
await extract(pythonZip, { dir: pythonPath });
console.log('Python extracted successfully');
// Update python310._pth to include the app directory and enable site packages
const pthFile = path.join(pythonPath, 'python310._pth');
const pthContent = fs.readFileSync(pthFile, 'utf8');
fs.writeFileSync(pthFile, pthContent + '\n../app\nimport site\n');
console.log('Updated python310._pth');
// Download get-pip.py
const getPipPath = path.join(pythonPath, 'get-pip.py');
await downloadFile(PIP_URL, getPipPath);
// Install pip
console.log('Installing pip...');
try {
execSync(`"${path.join(pythonPath, 'python.exe')}" "${getPipPath}"`, {
stdio: 'inherit',
cwd: pythonPath
});
console.log('pip installed successfully');
} catch (error) {
console.error('Failed to install pip:', error);
process.exit(1);
}
// Clean up
fs.unlinkSync(getPipPath);
console.log('Embedded Python setup complete!');
}
// Run the setup
setupEmbeddedPython().catch(err => {
console.error('Setup failed:', err);
process.exit(1);
});
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