/**
* Cross-platform Python venv path utility
*
* Provides platform-aware Python executable path resolution for the venv.
* Critical for Windows compatibility while maintaining Unix support.
*/
import { join } from 'path';
import { existsSync } from 'fs';
/**
* Get the platform-specific Python executable path for the venv
*
* @returns The full path to the Python executable in the venv
* @throws Error if venv is not found at expected location
*/
export function getVenvPythonPath(): string {
const venvDir = join(process.cwd(), 'src/infrastructure/embeddings/python/venv');
// Platform-specific Python executable
const pythonExe = process.platform === 'win32'
? join('Scripts', 'python.exe')
: join('bin', 'python3');
const fullPath = join(venvDir, pythonExe);
// Verify venv exists
if (!existsSync(fullPath)) {
// Provide helpful error message with platform info
throw new Error(
`Python venv not found at ${fullPath}. ` +
`Platform: ${process.platform}. ` +
`Please run the setup script to create the venv.`
);
}
return fullPath;
}
/**
* Check if Python venv exists without throwing
*
* @returns true if venv exists, false otherwise
*/
export function hasVenvPython(): boolean {
try {
getVenvPythonPath();
return true;
} catch {
return false;
}
}
