def _parenthesize_unless_simple(self, n):
        return self._parenthesize_if(n, lambda d: not self._is_simple_node(d))
Adds hostnames to /etc/hosts.
dataset/ETHPy150Open eliben/pycparser/pycparser/c_generator.py/CGenerator._parenthesize_unless_simple--crossover with--dataset/ETHPy150Open ganeti/ganeti/qa/qa_utils.py/AddToEtcHosts