Get the parameters of the preprocessing done within `folder`.

    Parameters
    ----------
    folder : string

    Returns
    -------
    tuple : (path of raw data,
             path where preprocessed data gets stored,
             list of preprocessing algorithms)

def get_parameters(folder):
    """Get the parameters of the preprocessing done within `folder`.

    Parameters
    ----------
    folder : string

    Returns
    -------
    tuple : (path of raw data,
             path where preprocessed data gets stored,
             list of preprocessing algorithms)
    """

    # Read the model description file
    with open(os.path.join(folder, "info.yml"), 'r') as ymlfile:
        preprocessing_description = yaml.load(ymlfile)

    # Get the path of the raw data
    raw_datapath = os.path.join(utils.get_project_root(),
                                preprocessing_description['data-source'])
    # Get the path were the preprocessed file should be put
    outputpath = os.path.join(folder, "data.pickle")

    # Get the preprocessing queue
    tmp = preprocessing_description['queue']
    preprocessing_queue = preprocessing.get_preprocessing_queue(tmp)
    return (raw_datapath, outputpath, preprocessing_queue)