我是一步步按照下面這個操作的。
關鍵問題是：
他文章中的這句話：
注意包含 [dmoz]的行 ，那對應著我們的爬蟲。你可以看到start_urls中定義的每個URL都有日志行。因為這些URL是起始頁面，所以他們沒有參考(referrers)，所以在每行的末尾你會看到 (referer: <None>).
有趣的是，在我們的 parse 方法的作用下，兩個檔案被創建：分別是 Books 和 Resources，這兩個檔案中有URL的頁面內容。
可是我自己按照他的做法
運行出來的是這樣的。
根本就沒有 那個 [dmoz]的行 請問這是為什么？
C:\Python27\Scripts\tutorial>scrapy crawl dmoz
C:\Python27\Scripts\tutorial\tutorial\spiders\dmoz_spider.py:3: ScrapyDeprecatio
nWarning: tutorial.spiders.dmoz_spider.DmozSpider inherits from deprecated class
scrapy.spiders.BaseSpider, please inherit from scrapy.spiders.Spider. (warning
only on first subclass, there may be others)
class DmozSpider(BaseSpider):
2016-07-01 16:37:56 [scrapy] INFO: Scrapy 1.1.0 started (bot: tutorial)
2016-07-01 16:37:56 [scrapy] INFO: Overridden settings: {'NEWSPIDER_MODULE': 'tu
torial.spiders', 'SPIDER_MODULES': ['tutorial.spiders'], 'ROBOTSTXT_OBEY': True,
'BOT_NAME': 'tutorial'}
2016-07-01 16:37:56 [scrapy] INFO: Enabled extensions:
['scrapy.extensions.logstats.LogStats',
'scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.corestats.CoreStats']
2016-07-01 16:37:57 [scrapy] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
'scrapy.downloadermiddlewares.retry.RetryMiddleware',
'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
'scrapy.downloadermiddlewares.chunked.ChunkedTransferMiddleware',
'scrapy.downloadermiddlewares.stats.DownloaderStats']
2016-07-01 16:37:57 [scrapy] INFO: Enabled spider middlewares:
['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware',
'scrapy.spidermiddlewares.offsite.OffsiteMiddleware',
'scrapy.spidermiddlewares.referer.RefererMiddleware',
'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware',
'scrapy.spidermiddlewares.depth.DepthMiddleware']
2016-07-01 16:37:57 [scrapy] INFO: Enabled item pipelines:
[]
2016-07-01 16:37:57 [scrapy] INFO: Spider opened
2016-07-01 16:37:57 [scrapy] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 i
tems (at 0 items/min)
2016-07-01 16:37:57 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6023
2016-07-01 16:37:58 [scrapy] DEBUG: Crawled (200) <GET http://www.dmoz.org/robot
s.txt> (referer: None)
2016-07-01 16:37:59 [scrapy] DEBUG: Crawled (200) <GET http://www.dmoz.org/Compu
ters/Programming/Languages/Python/Books/> (referer: None)
2016-07-01 16:38:00 [scrapy] DEBUG: Crawled (200) <GET http://www.dmoz.org/Compu
ters/Programming/Languages/Python/Resources/> (referer: None)
2016-07-01 16:38:00 [scrapy] INFO: Closing spider (finished)
2016-07-01 16:38:00 [scrapy] INFO: Dumping Scrapy stats:
{'downloader/request_bytes': 734,
'downloader/request_count': 3,
'downloader/request_method_count/GET': 3,
'downloader/response_bytes': 16851,
'downloader/response_count': 3,
'downloader/response_status_count/200': 3,
'finish_reason': 'finished',
'finish_time': datetime.datetime(2016, 7, 1, 8, 38, 0, 960000),
'log_count/DEBUG': 4,
'log_count/INFO': 7,
'response_received_count': 3,
'scheduler/dequeued': 2,
'scheduler/dequeued/memory': 2,
'scheduler/enqueued': 2,
'scheduler/enqueued/memory': 2,
'start_time': datetime.datetime(2016, 7, 1, 8, 37, 57, 464000)}
2016-07-01 16:38:00 [scrapy] INFO: Spider closed (finished)
C:\Python27\Scripts\tutorial>
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