Merge NLU files in the same directory

merge_nlu_data.py

import argparse


from rasa.shared.nlu.training_data import loading


def merge_nlu_data():
    """Merge Rasa NLU files"""
    parser = argparse.ArgumentParser(description="Merge Rasa NLU files")
    parser.add_argument(
        "--nlu",
        type=str,
        help="File or folder containing your NLU training data.",
        default="data/nlu/",
        required=True,
    )
    parser.add_argument(
        "--out",
        type=str,
        help="Output file name for the result NLU",
        required=True,
    )
    parser.add_argument(
        "--format",
        type=str,
        help="Output format",
        required=False,
        default="md",
        choices=["md", "json", "yaml"],
    )

    args = parser.parse_args()
    train_data = loading.load_data(args.nlu)
    with open(args.out, "w") as outfile:
        if args.format == "md":
            outfile.write(train_data.nlu_as_markdown())
        elif args.format == "json":
            outfile.write(train_data.nlu_as_json())
        else:
            outfile.write(train_data.nlg_as_yaml())


if __name__ == "__main__":
    merge_nlu_data()