

def add_options(self, parser):
    ScrapyCommand.add_options(self, parser)
    parser.add_option('-a', dest='spargs', action='append', default=[], metavar='NAME=VALUE', help='set spider argument (may be repeated)')
    parser.add_option('-o', '--output', metavar='FILE', help='dump scraped items into FILE (use - for stdout)')
    parser.add_option('-t', '--output-format', metavar='FORMAT', help='format to use for dumping items with -o')

dataset/ETHPy150Open scrapy/scrapy/scrapy/commands/crawl.py Command.add_options/original