def filter_connection_params(queue_params):
    """
    Filters the queue params to keep only the connection related params.
    """
    CONNECTION_PARAMS = (
        'URL',
        'DB',
        'USE_REDIS_CACHE',
        'UNIX_SOCKET_PATH',
        'HOST',
        'PORT',
        'PASSWORD',
        'SENTINELS',
        'MASTER_NAME',
        'SOCKET_TIMEOUT',
        'SSL',
        'CONNECTION_KWARGS',
    )

    # return {p:v for p,v in queue_params.items() if p in CONNECTION_PARAMS}
    # Dict comprehension compatible with python 2.6
    return dict((p, v) for (p, v) in queue_params.items() if p in CONNECTION_PARAMS)

    Filters the queue params to keep only the connection related params.
    
django_rq/queues.py