Function createVenv

electron/main/python-setup.ts:189–220

(pythonExe: string, venvDir: string, win: BrowserWindow)

// ─── Setup steps ─────────────────────────────────────────────────────────────

function createVenv(pythonExe: string, venvDir: string, win: BrowserWindow): Promise<void> {
  return new Promise((resolve, reject) => {
    win.webContents.send('setup:progress', { step: 'venv', percent: 5 })
    console.log('[PythonSetup] Creating venv at', venvDir)
    const proc = spawn(pythonExe, ['-m', 'venv', '--clear', venvDir], {
      stdio: ['ignore', 'pipe', 'pipe'],
      env: cleanPythonEnv(),
    })
    let stderrOut = ''
    proc.stdout?.on('data', (d: Buffer) => console.log('[venv]', d.toString().trim()))
    proc.stderr?.on('data', (d: Buffer) => {
      const text = d.toString().trim()
      if (text) { console.error('[venv]', text); stderrOut += text + '\n' }
    })
    proc.on('close', (code) => {
      if (code === 0) {
        win.webContents.send('setup:progress', { step: 'venv', percent: 20 })
        resolve()
      } else {
        let msg = `python -m venv exited with code ${code}`
        if (stderrOut) msg += `\n\n${stderrOut.trim()}`
        if (process.platform === 'win32') {
          msg +=
            '\n\nYour antivirus may be blocking the Python runtime.' +
            `\nTry adding an exclusion for:\n  ${pythonExe}` +
            '\nOr temporarily pause real-time protection, then click Retry.'
        }
        reject(new Error(msg))
      }
    })
  })
}

function installRequirements(
  pythonExe: string,