C:\Users\wuzhi_000\Desktop\tutorial>scrapy shell 'http://quotes.toscrape.com'
2016-11-02 14:59:11 [scrapy] INFO: Scrapy 1.2.1 started (bot: tutorial)
2016-11-02 14:59:11 [scrapy] INFO: Overridden settings: {'NEWSPIDER_MODULE': 'tutorial.spiders', 'ROBOTSTXT_OBEY': True, 'DUPEFILTER_CLASS': 'scrapy.dupefilters.BaseDupeFilter', 'SPIDER_MODULES': ['tutorial.spiders'], 'BOT_NAME': 'tutorial', 'LOGSTATS_INTERVAL': 0}
2016-11-02 14:59:11 [scrapy] INFO: Enabled extensions:
['scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.corestats.CoreStats']
2016-11-02 14:59:12 [scrapy] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
'scrapy.downloadermiddlewares.retry.RetryMiddleware',
'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
'scrapy.downloadermiddlewares.chunked.ChunkedTransferMiddleware',
'scrapy.downloadermiddlewares.stats.DownloaderStats']
2016-11-02 14:59:12 [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']
2016-11-02 14:59:12 [scrapy] INFO: Enabled item pipelines:
[]
2016-11-02 14:59:12 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6023
2016-11-02 14:59:12 [scrapy] INFO: Spider opened
2016-11-02 14:59:12 [scrapy] DEBUG: Retrying <GET http://'http:/robots.txt> (failed 1 times): DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
2016-11-02 14:59:12 [scrapy] DEBUG: Retrying <GET http://'http:/robots.txt> (failed 2 times): DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
2016-11-02 14:59:12 [scrapy] DEBUG: Gave up retrying <GET http://'http:/robots.txt> (failed 3 times): DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
2016-11-02 14:59:12 [scrapy] ERROR: Error downloading <GET http://'http:/robots.txt>: DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
DNSLookupError: DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
2016-11-02 14:59:12 [scrapy] DEBUG: Retrying <GET http://'http://quotes.toscrape.com'> (failed 1 times): DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
2016-11-02 14:59:12 [scrapy] DEBUG: Retrying <GET http://'http://quotes.toscrape.com'> (failed 2 times): DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
2016-11-02 14:59:12 [scrapy] DEBUG: Gave up retrying <GET http://'http://quotes.toscrape.com'> (failed 3 times): DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
Traceback (most recent call last):
File "C:\Python27\Scripts\scrapy-script.py", line 9, in <module>
load_entry_point('scrapy==1.2.1', 'console_scripts', 'scrapy')()
File "c:\python27\lib\site-packages\scrapy-1.2.1-py2.7.egg\scrapy\cmdline.py", line 142, in execute
_run_print_help(parser, _run_command, cmd, args, opts)
File "c:\python27\lib\site-packages\scrapy-1.2.1-py2.7.egg\scrapy\cmdline.py", line 88, in _run_print_help
func(*a, **kw)
File "c:\python27\lib\site-packages\scrapy-1.2.1-py2.7.egg\scrapy\cmdline.py", line 149, in _run_command
cmd.run(args, opts)
File "c:\python27\lib\site-packages\scrapy-1.2.1-py2.7.egg\scrapy\commands\shell.py", line 71, in run
shell.start(url=url)
File "c:\python27\lib\site-packages\scrapy-1.2.1-py2.7.egg\scrapy\shell.py", line 47, in start
self.fetch(url, spider)
File "c:\python27\lib\site-packages\scrapy-1.2.1-py2.7.egg\scrapy\shell.py", line 112, in fetch
reactor, self._schedule, request, spider)
File "c:\python27\lib\site-packages\twisted\internet\threads.py", line 122, in blockingCallFromThread
result.raiseException()
File "<string>", line 2, in raiseException
twisted.internet.error.DNSLookupError: DNS lookup failed: address "'http:" not found: [Errno 11001] getaddrinfo failed.
解决办法：
将单引号换成双引号即可：
scrapy shell "http://quotes.toscrape.com"
C:\Users\wuzhi_000\Desktop\tutorial>scrapy shell "http://quotes.toscrape.com"
2016-11-02 15:07:29 [scrapy] INFO: Scrapy 1.2.1 started (bot: tutorial)
2016-11-02 15:07:29 [scrapy] INFO: Overridden settings: {'NEWSPIDER_MODULE': 'tutorial.spiders', 'ROBOTSTXT_OBEY': True, 'DUPEFILTER_CLASS': 'scrapy.dupefilters.BaseDupeFilter', 'SPIDER_MODULES': ['tutorial.spiders'], 'BOT_NAME': 'tutorial', 'LOGSTATS_INTERVAL': 0}
2016-11-02 15:07:29 [scrapy] INFO: Enabled extensions:
['scrapy.extensions.telnet.TelnetConsole',
'scrapy.extensions.corestats.CoreStats']
2016-11-02 15:07:29 [scrapy] INFO: Enabled downloader middlewares:
['scrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware',
'scrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware',
'scrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware',
'scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware',
'scrapy.downloadermiddlewares.useragent.UserAgentMiddleware',
'scrapy.downloadermiddlewares.retry.RetryMiddleware',
'scrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware',
'scrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware',
'scrapy.downloadermiddlewares.redirect.RedirectMiddleware',
'scrapy.downloadermiddlewares.cookies.CookiesMiddleware',
'scrapy.downloadermiddlewares.chunked.ChunkedTransferMiddleware',
'scrapy.downloadermiddlewares.stats.DownloaderStats']
2016-11-02 15:07:29 [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']
2016-11-02 15:07:29 [scrapy] INFO: Enabled item pipelines:
[]
2016-11-02 15:07:29 [scrapy] DEBUG: Telnet console listening on 127.0.0.1:6023
2016-11-02 15:07:29 [scrapy] INFO: Spider opened
2016-11-02 15:07:31 [scrapy] DEBUG: Crawled (404) <GET http://quotes.toscrape.com/robots.txt> (referer: None)
2016-11-02 15:07:31 [scrapy] DEBUG: Crawled (200) <GET http://quotes.toscrape.com> (referer: None)
[s] Available Scrapy objects:
[s] scrapy scrapy module (contains scrapy.Request, scrapy.Selector, etc)
[s] crawler <scrapy.crawler.Crawler object at 0x00000000057B1C18>
[s] item {}
[s] request <GET http://quotes.toscrape.com>
[s] response <200 http://quotes.toscrape.com>
[s] settings <scrapy.settings.Settings object at 0x00000000057B1A58>
[s] spider <DefaultSpider 'default' at 0x5ae19b0>
[s] Useful shortcuts:
[s] shelp() Shell help (print this help)
[s] fetch(req_or_url) Fetch request (or URL) and update local objects
[s] view(response) View response in a browser
>>>
来源：https://www.cnblogs.com/wuzhiyi/p/6022986.html