#!/usr/bin/env node
const { spawn } = require('child_process');
const path = require('path');
const fs = require('fs');
// Try to find Python executable
function findPython() {
const candidates = ['python3', 'python'];
for (const candidate of candidates) {
try {
const result = require('child_process').execSync(`${candidate} --version`, {
encoding: 'utf8',
stdio: 'pipe'
});
if (result.includes('Python 3.')) {
return candidate;
}
} catch (e) {
// Continue to next candidate
}
}
console.error('❌ Python 3.8+ is required but not found.');
console.error('Please install Python 3.8 or higher and ensure it\'s in your PATH.');
process.exit(1);
}
// Check if visidata-mcp Python package is installed
function checkPythonPackage(pythonCmd) {
try {
require('child_process').execSync(`${pythonCmd} -c "import visidata_mcp"`, {
stdio: 'pipe'
});
return true;
} catch (e) {
return false;
}
}
// Install the Python package
function installPythonPackage(pythonCmd) {
console.log('📦 Installing visidata-mcp Python package...');
try {
require('child_process').execSync(`${pythonCmd} -m pip install visidata-mcp`, {
stdio: 'inherit'
});
console.log('✅ Python package installed successfully');
return true;
} catch (e) {
console.error('❌ Failed to install Python package:', e.message);
return false;
}
}
// Main execution
function main() {
const pythonCmd = findPython();
// Check if Python package is installed, install if not
if (!checkPythonPackage(pythonCmd)) {
console.log('🔍 visidata-mcp Python package not found, installing...');
if (!installPythonPackage(pythonCmd)) {
process.exit(1);
}
}
// Run the MCP server
const args = ['-m', 'visidata_mcp.server', ...process.argv.slice(2)];
const server = spawn(pythonCmd, args, {
stdio: 'inherit',
cwd: process.cwd()
});
server.on('error', (err) => {
console.error('❌ Failed to start visidata-mcp server:', err.message);
process.exit(1);
});
server.on('exit', (code) => {
process.exit(code || 0);
});
// Handle termination signals
process.on('SIGINT', () => {
server.kill('SIGINT');
});
process.on('SIGTERM', () => {
server.kill('SIGTERM');
});
}
if (require.main === module) {
main();
}
module.exports = { main };
