converters.py 文件源码

def guess_format(files):
    # type: (List[Text]) -> Text
    """Given a set of files, tries to guess which data format is used."""

    for filename in files:
        with io.open(filename, encoding="utf-8-sig") as f:
            raw_data = ""
            try:
                raw_data = f.read()
                file_data = json.loads(raw_data)
                if "data" in file_data and type(file_data.get("data")) is list:
                    return WIT_FILE_FORMAT
                elif "luis_schema_version" in file_data:
                    return LUIS_FILE_FORMAT
                elif "supportedLanguages" in file_data:
                    return DIALOGFLOW_FILE_FORMAT
                elif "rasa_nlu_data" in file_data:
                    return RASA_FILE_FORMAT

            except ValueError:
                if "## intent:" in raw_data:
                    return MARKDOWN_FILE_FORMAT

    return UNK_FILE_FORMAT