def total_seconds(timedelta):
    """
    Compatibility method because the total_seconds method has been introduced
    in Python 2.7

    :param timedelta: a timedelta object
    :rtype: float
    """
    if hasattr(timedelta, 'total_seconds'):
        return timedelta.total_seconds()
    else:
        secs = (timedelta.seconds + timedelta.days * 24 * 3600) * 10**6
        return (timedelta.microseconds + secs) / 10.0**6