'Adds request_logs-specific options to \'parser\'.
Args:
parser: An instance of OptionsParser.'

def _RequestLogsOptions(self, parser):

    parser.add_option('-n', '--num_days', type='int', dest='num_days', action='store', default=None, help='Number    of    days    worth    of    log    data    to    get.    The    cut-off    point    is    midnight    US/Pacific.    Use    0    to    get    all    available    logs.    Default    is    1,    unless    --append    is    also    given;    then    the    default    is    0.')
    parser.add_option('-a', '--append', dest='append', action='store_true', default=False, help='Append    to    existing    file.')
    parser.add_option('--severity', type='int', dest='severity', action='store', default=None, help='Severity    of    app-level    log    messages    to    get.    The    range    is    0    (DEBUG)    through    4    (CRITICAL).    If    omitted,    only    request    logs    are    returned.')
    parser.add_option('--vhost', type='string', dest='vhost', action='store', default=None, help='The    virtual    host    of    log    messages    to    get.    If    omitted,    all    log    messages    are    returned.')
    parser.add_option('--include_vhost', dest='include_vhost', action='store_true', default=False, help='Include    virtual    host    in    log    messages.')
    parser.add_option('--include_all', dest='include_all', action='store_true', default=None, help='Include    everything    in    log    messages.')
    parser.add_option('--end_date', dest='end_date', action='store', default='', help='End    date    (as    YYYY-MM-DD)    of    period    for    log    data.    Defaults    to    today.')
