Method start

scrapy/commands/check.py:89–91

(self: Spider)

        spider_loader = self.crawler_process.spider_loader

        async def start(self: Spider) -> AsyncIterator[Any]:
            for request in conman.from_spider(self, result):
                yield request

        with set_environ(SCRAPY_CHECK="true"):
            for spidername in args or spider_loader.list():