def ClientIdToHostname(client_id, token=None):
  client = OpenClient(client_id, token=token)[0]
  if client and client.Get("Host"):
    return client.Get("Host").Summary()
tap2rpm requires rpmbuild; skip tests if rpmbuild is not present.
dataset/ETHPy150Open google/grr/grr/lib/console_utils.py/ClientIdToHostname--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/scripts/test/test_tap2rpm.py/TestTap2RPM._checkForRpmbuild