Function probePython

bin/ds.js:2226–2275

(binary)

}

function probePython(binary) {
  const snippet = [
    'import json, sys',
    'print(json.dumps({',
    '  "executable": sys.executable,',
    '  "version": ".".join(str(part) for part in sys.version_info[:3]),',
    '  "major": sys.version_info[0],',
    '  "minor": sys.version_info[1],',
    '  "patch": sys.version_info[2],',
    '}, ensure_ascii=False))',
  ].join('\n');
  const result = spawnSync(binary, ['-c', snippet], syncSpawnOptions({
    encoding: 'utf8',
    env: process.env,
  }));
  if (result.error) {
    return {
      ok: false,
      binary,
      error: result.error.message,
    };
  }
  if (result.status !== 0) {
    return {
      ok: false,
      binary,
      error: (result.stderr || result.stdout || '').trim() || `exit ${result.status}`,
    };
  }
  try {
    const payload = JSON.parse(result.stdout || '{}');
    const executable = String(payload.executable || '').trim();
    return {
      ok: true,
      binary,
      executable,
      realExecutable: executable ? realpathOrSelf(executable) : '',
      version: String(payload.version || '').trim(),
      major: Number(payload.major),
      minor: Number(payload.minor),
      patch: Number(payload.patch),
    };
  } catch (error) {
    return {
      ok: false,
      binary,
      error: error instanceof Error ? error.message : 'Could not parse Python version probe.',
    };
  }
}

function minimumPythonRequest() {
  return `${minimumPythonVersion.major}.${minimumPythonVersion.minor}`;