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我的蜘蛛目前正在从网站上抓取 xml。这样做是成功的，因为我可以看到通过数据库管道存储的项目。

但是，当我查看日志（设置为log.INFO）时，它表明没有抓取任何内容？

2013-04-12 11:58:00-0400 [traffics] INFO: Spider opened
2013-04-12 11:58:00-0400 [traffics] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min)
2013-04-12 11:58:03-0400 [traffics] INFO: Closing spider (finished)
2013-04-12 11:58:03-0400 [traffics] INFO: Dumping Scrapy stats:
    {'downloader/request_bytes': 273,
     'downloader/request_count': 1,
     'downloader/request_method_count/GET': 1,
     'downloader/response_bytes': 28883,
     'downloader/response_count': 1,
     'downloader/response_status_count/200': 1,
     'finish_reason': 'finished',
     'finish_time': datetime.datetime(2013, 4, 12, 15, 58, 3, 469842),
     'log_count/DEBUG': 7,
     'log_count/INFO': 4,
     'response_received_count': 1,
     'scheduler/dequeued': 1,
     'scheduler/dequeued/memory': 1,
     'scheduler/enqueued': 1,
     'scheduler/enqueued/memory': 1,
     'start_time': datetime.datetime(2013, 4, 12, 15, 58, 0, 907300)}
2013-04-12 11:58:03-0400 [traffics] INFO: Spider closed (finished)

为什么它说 0 个项目和 0 个页面在它肯定正在爬网时（并随后将它们保存到数据库）？

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1 回答 1

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数据库管道中的 process_item 方法是否在存储项目后返回项目？

于 2013-04-18T17:36:51.637 回答