How to use the canmatrix.log function in canmatrix

def cli_convert(infile, outfile, silent, verbosity, **options):
    """
    canmatrix.cli.convert [options] import-file export-file

    import-file: *.dbc|*.dbf|*.kcd|*.arxml|*.json|*.xls(x)|*.sym
    export-file: *.dbc|*.dbf|*.kcd|*.arxml|*.json|*.xls(x)|*.sym|*.py

    \n"""

    root_logger = canmatrix.log.setup_logger()

    if silent is True:
        # only print error messages, ignore verbosity flag
        verbosity = -1
        options["silent"] = True

    canmatrix.log.set_log_level(root_logger, verbosity)
    if options["ignoreEncodingErrors"]:
        options["ignoreEncodingErrors"] = "ignore"
    else:
        options["ignoreEncodingErrors"] = ""

    canmatrix.convert.convert(infile, outfile, **options)
    return 0

"""
    canmatrix.cli.convert [options] import-file export-file

    import-file: *.dbc|*.dbf|*.kcd|*.arxml|*.json|*.xls(x)|*.sym
    export-file: *.dbc|*.dbf|*.kcd|*.arxml|*.json|*.xls(x)|*.sym|*.py

    \n"""

    root_logger = canmatrix.log.setup_logger()

    if silent is True:
        # only print error messages, ignore verbosity flag
        verbosity = -1
        options["silent"] = True

    canmatrix.log.set_log_level(root_logger, verbosity)
    if options["ignoreEncodingErrors"]:
        options["ignoreEncodingErrors"] = "ignore"
    else:
        options["ignoreEncodingErrors"] = ""

    canmatrix.convert.convert(infile, outfile, **options)
    return 0

def cli_compare(matrix1, matrix2, verbosity, silent, check_comments, check_attributes, ignore_valuetables, frames):
    """
        canmatrix.cli.compare [options] matrix1 matrix2

        matrixX can be any of *.dbc|*.dbf|*.kcd|*.arxml|*.xls(x)|*.sym
    """

    import canmatrix.log
    root_logger = canmatrix.log.setup_logger()

    if silent:
        # Only print ERROR messages (ignore import warnings)
        verbosity = -1
    canmatrix.log.set_log_level(root_logger, verbosity)

    # import only after setting log level, to also disable warning messages in silent mode.
    import canmatrix.formats  # due this import we need the import alias for log module

    logger.info("Importing " + matrix1 + " ... ")
    db1 = canmatrix.formats.loadp_flat(matrix1)
    logger.info("%d Frames found" % (db1.frames.__len__()))

    logger.info("Importing " + matrix2 + " ... ")
    db2 = canmatrix.formats.loadp_flat(matrix2)
    logger.info("%d Frames found" % (db2.frames.__len__()))

    ignore = {}  # type: typing.Dict[str, typing.Union[str, bool]]

    if not check_comments:
        ignore["comment"] = "*"

def cli_compare(matrix1, matrix2, verbosity, silent, check_comments, check_attributes, ignore_valuetables, frames):
    """
        canmatrix.cli.compare [options] matrix1 matrix2

        matrixX can be any of *.dbc|*.dbf|*.kcd|*.arxml|*.xls(x)|*.sym
    """

    import canmatrix.log
    root_logger = canmatrix.log.setup_logger()

    if silent:
        # Only print ERROR messages (ignore import warnings)
        verbosity = -1
    canmatrix.log.set_log_level(root_logger, verbosity)

    # import only after setting log level, to also disable warning messages in silent mode.
    import canmatrix.formats  # due this import we need the import alias for log module

    logger.info("Importing " + matrix1 + " ... ")
    db1 = canmatrix.formats.loadp_flat(matrix1)
    logger.info("%d Frames found" % (db1.frames.__len__()))

    logger.info("Importing " + matrix2 + " ... ")
    db2 = canmatrix.formats.loadp_flat(matrix2)
    logger.info("%d Frames found" % (db2.frames.__len__()))