def _command(name, description=None):
    def decorator(f):
        commands[name] = f
        if description:
            descriptions[name] = description
        return f
    return decorator
Convert a raw config into a form that preserves comments etc.
dataset/ETHPy150Open Yelp/mrjob/mrjob/cmd.py/_command--crossover with--dataset/ETHPy150Open mopidy/mopidy/mopidy/config/__init__.py/_preprocess