def unique_task_enqueue(queue_name, task_url, task_params, ticker=0):
    from google.appengine.api import taskqueue
    import math

    date_now = datetime.datetime.now()
    quarter_checker = int(math.ceil(float(int(date_now.strftime('%M')) + 1) / 15))
    date_now = date_now.strftime('%Y%m%d%H')
    name_from_args = '-'.join([str(x) for x in task_params.values()])
    name = str(
        task_url + '-' +
        name_from_args + '-' +
        date_now + '-' +
        str(quarter_checker) + '-' +
        str(ticker)
    )
    name = name.encode('utf-8', 'replace')
    name = name.replace('_', '-')
    name = re.sub('[^\w-]', '-', name)

    bucket_queue = taskqueue.Queue(queue_name)
    new_task = taskqueue.Task(
        url=task_url,
        params=task_params,
        name=name,
        method='GET'
    )
    try:
        bucket_queue.add(new_task)

    except taskqueue.TaskAlreadyExistsError:
        logging.info('TasksAlreadyExistsError - ' + name)

    except taskqueue.TombstonedTaskError:
        logging.info('TombstonedTaskError - ' + name)
        if ticker < 1:
            logging.debug('--incrementing ticker')
            unique_task_enqueue(queue_name, task_url, task_params, ticker=1)

    return 'OK'