def _determine_default_project(project=None):
    if project is None:
        project = _get_production_project()

    if project is None:
        project = _app_engine_id()

    if project is None:
        project = _compute_engine_id()

    return project
If we have previously acccepted a login for this portal, call its
dataset/ETHPy150Open GoogleCloudPlatform/gcloud-python/gcloud/_helpers.py/_determine_default_project--crossover with--dataset/ETHPy150Open twisted/nevow/nevow/guard.py/GuardSession.portalLogout