def METHOD_NAME(self, parser, archive):
    """
    Helper that calls the appropriate Prepper method for the specified
    parser. This allows Preppers to be able to provide items for multiple
    types of parsers without needing to handle repetitious logic to
    determine which parser we're interested within each individual call.
    The convention to use is to define `_get_$parser_file_list()` methods
    within Preppers, e.g. `_get_hostname_file_list()` would be used to
    provide filenames for the hostname parser. If such a method is not
    defined within a Prepper for a given parser, we handle that here so
    that individual Preppers do not need to.
    :param parser: The _name_ of the parser to get a file list for
    :type parser:  ``str``
    :param archive: The archive we are operating on currently for the
                    specified parser
    :type archive:  ``SoSObfuscationArchive``
    :returns: A list of filenames within the archive to prep with
    :rtype: ``list``
    """
    _check = f"_get_{parser}_file_list"
    if hasattr(self, _check):
        return getattr(self, _check)(archive)
    return []