Scrapy Documentation

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1、ScrapyDocumentationRelease0.19.0ScrapydevelopersOctober14,2013Contents1Gettinghelp32Firststeps52.1Scrapyataglance............................................52.2Installationguide.............................................82.3ScrapyTutorial............

2、..................................102.4Examples.................................................163Basicconcepts193.1Commandlinetool............................................193.2Items...................................................263.3Spiders....

3、..............................................303.4LinkExtractors..............................................383.5Selectors.................................................403.6ItemLoaders...............................................463.7Scrapyshell

4、...............................................543.8ItemPipeline...............................................573.9Feedexports...............................................593.10LinkExtractors..............................................634Built-inse

5、rvices674.1Logging..................................................674.2StatsCollection..............................................694.3Sendinge-mail..............................................704.4TelnetConsole.....................................

6、.........724.5WebService...............................................745Solvingspecificproblems815.1FrequentlyAskedQuestions.......................................815.2DebuggingSpiders............................................855.3SpidersContracts...

7、..........................................885.4CommonPractices............................................895.5BroadCrawls...............................................925.6UsingFirefoxforscraping........................................93i5.7UsingFireb

8、ugforscraping........................................945.8Debuggingmemoryleaks........................................985.9DownloadingItemImages........................................1025.10Ubuntupackages........................