def fix_epoch()

in curator/helpers/date_ops.py [0:0]

• 16 lines of code
• 5 McCabe index (conditional complexity)

def fix_epoch(epoch):
    """
    Fix value of ``epoch`` to be the count since the epoch in seconds only, which
    should be 10 or fewer digits long.

    :param epoch: An epoch timestamp, in epoch + milliseconds, or microsecond, or even
        nanoseconds.
    :type epoch: int

    :returns: An epoch timestamp in seconds only, based on ``epoch``
    :rtype: int
    """
    try:
        # No decimals allowed
        epoch = int(epoch)
    except Exception as err:
        raise ValueError(
            f'Bad epoch value. Unable to convert {epoch} to int. {err}'
        ) from err

    # If we're still using this script past January, 2038, we have bigger
    # problems than my hacky math here...
    if len(str(epoch)) <= 10:
        # Epoch is fine, no changes
        pass
    elif len(str(epoch)) > 10 and len(str(epoch)) <= 13:
        epoch = int(epoch / 1000)
    else:
        orders_of_magnitude = len(str(epoch)) - 10
        powers_of_ten = 10**orders_of_magnitude
        epoch = int(epoch / powers_of_ten)
    return epoch