Python 模块索引

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	`scrapy`
	`scrapy.contracts`
	`scrapy.contracts.default`
	`scrapy.contrib.closespider`	Close spider extension
	`scrapy.contrib.corestats`	Core stats collection
	`scrapy.contrib.debug`	Extensions for debugging Scrapy
	`scrapy.contrib.downloadermiddleware`
	`scrapy.contrib.downloadermiddleware.ajaxcrawl`
	`scrapy.contrib.downloadermiddleware.chunked`	Chunked Transfer Middleware
	`scrapy.contrib.downloadermiddleware.cookies`	Cookies Downloader Middleware
	`scrapy.contrib.downloadermiddleware.defaultheaders`	Default Headers Downloader Middleware
	`scrapy.contrib.downloadermiddleware.downloadtimeout`	Download timeout middleware
	`scrapy.contrib.downloadermiddleware.httpauth`	HTTP Auth downloader middleware
	`scrapy.contrib.downloadermiddleware.httpcache`	HTTP Cache downloader middleware
	`scrapy.contrib.downloadermiddleware.httpcompression`	Http Compression Middleware
	`scrapy.contrib.downloadermiddleware.httpproxy`	Http Proxy Middleware
	`scrapy.contrib.downloadermiddleware.redirect`	Redirection Middleware
	`scrapy.contrib.downloadermiddleware.retry`	Retry Middleware
	`scrapy.contrib.downloadermiddleware.robotstxt`	robots.txt middleware
	`scrapy.contrib.downloadermiddleware.stats`	Downloader Stats Middleware
	`scrapy.contrib.downloadermiddleware.useragent`	User Agent Middleware
	`scrapy.contrib.exporter`	Item Exporters
	`scrapy.contrib.linkextractors`	Link extractors classes
	`scrapy.contrib.linkextractors.lxmlhtml`	lxml's HTMLParser-based link extractors
	`scrapy.contrib.linkextractors.sgml`	SGMLParser-based link extractors
	`scrapy.contrib.loader`	Item Loader class
	`scrapy.contrib.loader.processor`	A collection of processors to use with Item Loaders
	`scrapy.contrib.logstats`	记录基本统计(stats)
	`scrapy.contrib.memdebug`	Memory debugger extension
	`scrapy.contrib.memusage`	Memory usage extension
	`scrapy.contrib.pipeline.images`	Images Pipeline
	`scrapy.contrib.spidermiddleware`
	`scrapy.contrib.spidermiddleware.depth`	Depth Spider Middleware
	`scrapy.contrib.spidermiddleware.httperror`	HTTP Error Spider Middleware
	`scrapy.contrib.spidermiddleware.offsite`	Offsite Spider Middleware
	`scrapy.contrib.spidermiddleware.referer`	Referer Spider Middleware
	`scrapy.contrib.spidermiddleware.urllength`	URL Length Spider Middleware
	`scrapy.contrib.spiders`	Collection of generic spiders
	`scrapy.contrib.statsmailer`	StatsMailer extension
	`scrapy.contrib.webservice`	Built-in web service resources
	`scrapy.contrib.webservice.crawler`	Crawler JSON-RPC resource
	`scrapy.contrib.webservice.enginestatus`	Engine Status JSON resource
	`scrapy.contrib.webservice.stats`	Stats JSON-RPC resource
	`scrapy.crawler`	The Scrapy crawler
	`scrapy.exceptions`	Scrapy exceptions
	`scrapy.http`	Request and Response classes
	`scrapy.item`	Item and Field classes
	`scrapy.log`	Logging facility
	`scrapy.mail`	Email sending facility
	`scrapy.selector`	Selector class
	`scrapy.settings`	Settings manager
	`scrapy.signalmanager`	The signal manager
	`scrapy.signals`	Signals definitions
	`scrapy.spider`	Spiders base class, spider manager and spider middleware
	`scrapy.statscol`	Stats Collectors
	`scrapy.telnet`	The Telnet Console
	`scrapy.utils.trackref`	Track references of live objects
	`scrapy.webservice`	Web service