def _filter_keys(item, keys):
    return {k: v for k, v in six.iteritems(item) if k in keys}
Starts a new Mercurial command server.
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/openstack/compute/cells.py/_filter_keys--crossover with--dataset/ETHPy150Open guillermooo/Mercurial/shglib/utils.py/HgServers._start_server