Method start

tests/test_engine_loop.py:194–206

(spider)

            )

        async def start(spider):
            # The first CONCURRENT_REQUESTS start requests are sent
            # immediately.
            yield _request(1)

            for request in (
                _request(2, priority=1),
                _request(5),
            ):
                spider.crawler.engine._slot.scheduler.enqueue_request(request)
            yield _request(6)
            yield _request(3, priority=1)
            yield _request(4, priority=1)

        def parse(spider, response):
            return