这篇文章给大家分享的是有关scrapy怎么样测试python爬虫的数据的内容。小编觉得挺实用的,因此分享给大家做个参考。一起跟随小编过来看看吧。
进入到项目的根目录下,运行以下命令:
# 进入到项目目录 # cd /work/Code/scraper/TweetScraper scrapy crawl TweetScraper -a query="Novel coronavirus,#COVID-19"
注意,抓取Twitter的数据需要科学上网或者服务器部署在海外,所以使用的是海外的服务器。
[root@cs TweetScraper]# scrapy crawl TweetScraper -a query="Novel coronavirus,#COVID-19" 2020-04-16 19:22:40 [scrapy.utils.log] INFO: Scrapy 2.0.1 started (bot: TweetScraper) 2020-04-16 19:22:40 [scrapy.utils.log] INFO: Versions: lxml 4.2.1.0, libxml2 2.9.8, cssselect 1.1.0, parsel 1.5.2, w3lib 1.21.0, Twisted 20.3.0, Python 3.6.5 |Anaconda, Inc.| (default, Apr 29 2018, 16:14:56) - [GCC 7.2.0], pyOpenSSL 18.0.0 (OpenSSL 1.0.2o 27 Mar 2018), cryptography 2.2.2, Platform Linux-3.10.0-862.el7.x86_64-x86_64-with-centos-7.5.1804-Core 2020-04-16 19:22:40 [scrapy.crawler] INFO: Overridden settings: {'BOT_NAME': 'TweetScraper', 'LOG_LEVEL': 'INFO', 'NEWSPIDER_MODULE': 'TweetScraper.spiders', 'SPIDER_MODULES': ['TweetScraper.spiders'], 'USER_AGENT': 'TweetScraper'} 2020-04-16 19:22:40 [scrapy.extensions.telnet] INFO: Telnet Password: 1fb55da389e595db 2020-04-16 19:22:40 [scrapy.middleware] INFO: Enabled extensions: ['scrapy.extensions.corestats.CoreStats', 'scrapy.extensions.telnet.TelnetConsole', 'scrapy.extensions.memusage.MemoryUsage', 'scrapy.extensions.logstats.LogStats'] 2020-04-16 19:22:41 [scrapy.middleware] INFO: Enabled downloader middlewares: ['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.httpproxy.HttpProxyMiddleware', 'scrapy.downloadermiddlewares.stats.DownloaderStats'] 2020-04-16 19:22:41 [scrapy.middleware] INFO: Enabled spider middlewares: ['scrapy.spidermiddlewares.httperror.HttpErrorMiddleware', 'scrapy.spidermiddlewares.offsite.OffsiteMiddleware', 'scrapy.spidermiddlewares.referer.RefererMiddleware', 'scrapy.spidermiddlewares.urllength.UrlLengthMiddleware', 'scrapy.spidermiddlewares.depth.DepthMiddleware'] Mysql连接成功###################################### MySQLCursorBuffered: (Nothing executed yet) 2020-04-16 19:22:41 [TweetScraper.pipelines] INFO: Table 'tweets' already exists 2020-04-16 19:22:41 [scrapy.middleware] INFO: Enabled item pipelines: ['TweetScraper.pipelines.SavetoMySQLPipeline'] 2020-04-16 19:22:41 [scrapy.core.engine] INFO: Spider opened 2020-04-16 19:22:41 [scrapy.extensions.logstats] INFO: Crawled 0 pages (at 0 pages/min), scraped 0 items (at 0 items/min) 2020-04-16 19:22:41 [scrapy.extensions.telnet] INFO: Telnet console listening on 127.0.0.1:6023 2020-04-16 19:23:45 [scrapy.extensions.logstats] INFO: Crawled 1 pages (at 1 pages/min), scraped 11 items (at 11 items/min) 2020-04-16 19:24:44 [scrapy.extensions.logstats] INFO: Crawled 2 pages (at 1 pages/min), scraped 22 items (at 11 items/min) ^C2020-04-16 19:26:27 [scrapy.crawler] INFO: Received SIGINT, shutting down gracefully. Send again to force 2020-04-16 19:26:27 [scrapy.core.engine] INFO: Closing spider (shutdown) 2020-04-16 19:26:43 [scrapy.extensions.logstats] INFO: Crawled 3 pages (at 1 pages/min), scraped 44 items (at 11 items/min)
我们可以看到,该项目运行OK,抓取到的数据也已经被保存在数据库了。
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