'Add arguments to the command parser.'

def add_arguments(self, parser):

    parser.add_argument(u'task_state', type=str, choices=[QUEUING, PROGRESS], help=u'choose    the    current    task_state    of    tasks    you    want    to    fail')
    parser.add_argument(u'--before', type=str, dest=u'before', help=u'Manually    fail    instructor    tasks    created    before    or    on    this    date.')
    parser.add_argument(u'--after', type=str, dest=u'after', help=u'Manually    fail    instructor    tasks    created    after    or    on    this    date.')
    parser.add_argument(u'--dry-run', action=u'store_true', dest=u'dry_run', default=False, help=u'Return    the    records    this    command    will    update    without    updating    them.')
    parser.add_argument(u'--task-type', dest=u'task_type', type=str, default=None, help=u'Specify    the    type    of    task    that    you    want    to    fail.')
