def fail(message, code=-1):
    print('Error: %s' % message, file=sys.stderr)
    sys.exit(code)
Return a dict with a list of mandatory arguments, and a dictionary of optional arguments.
dataset/ETHPy150Open Eforcers/gae-flask-todo/lib/werkzeug/script.py/fail--crossover with--dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/actorstore/store.py/ActorStore._get_args