Get the review history for the given brain or context.

    :param brain_or_object: A single catalog brain or content object
    :type brain_or_object: ATContentType/DexterityContentType/CatalogBrain
    :returns: Workflow history
    :rtype: [{}, ...]

def get_review_history(brain_or_object, rev=True):
    """Get the review history for the given brain or context.

    :param brain_or_object: A single catalog brain or content object
    :type brain_or_object: ATContentType/DexterityContentType/CatalogBrain
    :returns: Workflow history
    :rtype: [{}, ...]
    """
    obj = get_object(brain_or_object)
    review_history = []
    try:
        workflow = get_tool("portal_workflow")
        review_history = workflow.getInfoFor(obj, 'review_history')
    except WorkflowException as e:
        message = str(e)
        logger.error("Cannot retrieve review_history on {}: {}".format(
            obj, message))
    if not isinstance(review_history, (list, tuple)):
        logger.error("get_review_history: expected list, recieved {}".format(
            review_history))
        review_history = []
    if rev is True:
        review_history.reverse()
    return review_history