abc.ABCMetascrapy.item._BaseItemMeta - Undocumentedscrapy.item.ItemMeta - Metaclass_ of Item that handles field definitions.argparse.ArgumentParserscrapy.utils.curl.CurlParser - UndocumentedAssertionErrorscrapy.exceptions.ContractFail - Error raised in case of a failing contractcollections.abc.MutableMappingscrapy.item.DictItem - No class docstring; 0/1 instance variable, 0/1 class variable, 1/13 method documentedscrapy.Item - Base class for scraped items.scrapy.settings._DictProxy - Undocumentedscrapy.settings.BaseSettings - Instances of this class behave like dictionaries, but store priorities along with their (key, value) pairs, and can be frozen (i.e. marked immutable).scrapy.settings.Settings - This object stores Scrapy settings for the configuration of internal components, and can be used for any further customization.collections.OrderedDictscrapy.utils.datatypes.LocalCache - Dictionary with a finite number of keys.dictscrapy.Field - Container of field metadatascrapy.utils.datatypes.CaselessDict - No class docstring; 0/1 class variable, 2/12 methods, 0/1 class method documentedscrapy.http.headers.Headers - Case insensitive http headers dictionaryenum.Enumscrapy.core.http2.stream.StreamCloseReason - UndocumentedExceptionscrapy.core.downloader.handlers.http11.TunnelError - An HTTP CONNECT tunnel could not be established by the proxy.scrapy.exceptions.CloseSpider - Raise this from callbacks to request the spider to be closedscrapy.exceptions.DontCloseSpider - Request the spider not to be closed yetscrapy.exceptions.DropItem - Drop item from the item pipelinescrapy.pipelines.images.NoimagesDrop - Product with no images exceptionscrapy.exceptions.IgnoreRequest - Indicates a decision was made not to process a requestscrapy.spidermiddlewares.httperror.HttpError - A non-200 response was filteredscrapy.exceptions.NotConfigured - Indicates a missing configuration situationscrapy.exceptions.NotSupported - Indicates a feature or method is not supportedscrapy.exceptions.StopDownload - Stop the download of the body for a given response. The 'fail' boolean parameter indicates whether or not the resulting partial response should be handled by the request errback. Note that 'fail' is a keyword-only argument.scrapy.exceptions.UsageError - To indicate a command-line usage errorscrapy.pipelines.files.FileException - General media error exceptionscrapy.pipelines.images.ImageException - General image error exceptionscrapy.utils.signal._IgnoredException - Undocumentedh2.exceptions.H2Errorscrapy.core.http2.protocol.InvalidNegotiatedProtocol - Undocumentedscrapy.core.http2.protocol.MethodNotAllowed405 - Undocumentedscrapy.core.http2.protocol.RemoteTerminatedConnection - Undocumentedscrapy.core.http2.stream.InvalidHostname - Undocumenteditemloaders.ItemLoaderscrapy.loader.ItemLoader - No summaryjson.JSONDecoderscrapy.utils.serialize.ScrapyJSONDecoder - Undocumentedjson.JSONEncoderscrapy.utils.serialize.ScrapyJSONEncoder - Undocumentedlogging.Filterscrapy.utils.log.TopLevelFormatter - Keep only top level loggers's name (direct children from root) from records.logging.Handlerscrapy.utils.log.LogCounterHandler - Record log levels count into a crawler statsparsel.Selectorscrapy.selector.unified.Selector - An instance of Selector is a wrapper over response to select certain parts of its content.parsel.Selector.selectorlist_clsscrapy.selector.unified.SelectorList - The SelectorList class is a subclass of the builtin list class, which provides a few additional methods.scrapy.commands.bench._BenchServer - Undocumentedscrapy.commands.ScrapyCommand - No class docstring; 0/2 instance variable, 0/4 class variable, 6/9 methods documentedscrapy.commands.BaseRunSpiderCommand - Common class used to share functionality between the crawl, parse and runspider commandsscrapy.commands.crawl.Command - Undocumentedscrapy.commands.parse.Command - Undocumentedscrapy.commands.runspider.Command - Undocumentedscrapy.commands.bench.Command - Undocumentedscrapy.commands.check.Command - Undocumentedscrapy.commands.edit.Command - Undocumentedscrapy.commands.fetch.Command - Undocumentedscrapy.commands.view.Command - Undocumentedscrapy.commands.genspider.Command - No class docstring; 0/1 property, 0/1 instance variable, 0/2 class variable, 1/8 method documentedscrapy.commands.list.Command - Undocumentedscrapy.commands.settings.Command - Undocumentedscrapy.commands.shell.Command - No class docstring; 0/2 class variable, 1/7 method documentedscrapy.commands.startproject.Command - No class docstring; 0/1 property, 0/1 instance variable, 0/2 class variable, 1/5 method documentedscrapy.commands.version.Command - Undocumentedscrapy.contracts.Contract - Abstract class for contractsscrapy.contracts.default.CallbackKeywordArgumentsContract - Contract to set the keyword arguments for the request. The value should be a JSON-encoded dictionary, e.g.:scrapy.contracts.default.ReturnsContract - Contract to check the output of a callbackscrapy.contracts.default.ScrapesContract - Contract to check presence of fields in scraped items @scrapes page_name page_bodyscrapy.contracts.default.UrlContract - Contract to set the url of the request (mandatory) @url http://scrapy.orgscrapy.contracts.ContractsManager - No class docstring; 0/1 class variable, 1/6 method documentedscrapy.core.downloader.contextfactory.AcceptableProtocolsContextFactory - Context factory to used to override the acceptable protocols to set up the [OpenSSL.SSL.Context] for doing NPN and/or ALPN negotiation.scrapy.core.downloader.Downloader - Undocumentedscrapy.core.downloader.handlers.datauri.DataURIDownloadHandler - Undocumentedscrapy.core.downloader.handlers.DownloadHandlers - No class docstring; 0/4 instance variable, 1/5 method documentedscrapy.core.downloader.handlers.file.FileDownloadHandler - Undocumentedscrapy.core.downloader.handlers.ftp.FTPDownloadHandler - Undocumentedscrapy.core.downloader.handlers.http10.HTTP10DownloadHandler - No class docstring; 0/4 instance variable, 0/1 class variable, 1/3 method, 0/1 class method documentedscrapy.core.downloader.handlers.http11._RequestBodyProducer - Undocumentedscrapy.core.downloader.handlers.http11.HTTP11DownloadHandler - No class docstring; 0/7 instance variable, 0/1 class variable, 1/3 method, 0/1 class method documentedscrapy.core.downloader.handlers.http11.ScrapyAgent - Undocumentedscrapy.core.downloader.handlers.http2.H2DownloadHandler - Undocumentedscrapy.core.downloader.handlers.http2.ScrapyH2Agent - Undocumentedscrapy.core.downloader.handlers.s3.S3DownloadHandler - Undocumentedscrapy.core.downloader.Slot - Downloader slotscrapy.core.engine.ExecutionEngine - No class docstring; 0/1 property, 0/14 instance variable, 8/22 methods documentedscrapy.core.engine.Slot - Undocumentedscrapy.core.http2.agent.H2Agent - No class docstring; 0/4 instance variable, 1/4 method documentedscrapy.core.http2.agent.ScrapyProxyH2Agent - No class docstring; 0/1 instance variable, 1/3 method documentedscrapy.core.http2.agent.H2ConnectionPool - No class docstring; 0/4 instance variable, 1/6 method documentedscrapy.core.http2.stream.Stream - Represents a single HTTP/2 Stream.scrapy.core.scheduler.Scheduler - Scrapy Scheduler. It allows to enqueue requests and then get a next request to download. Scheduler is also handling duplication filtering, via dupefilter.scrapy.core.scraper.Scraper - No class docstring; 0/7 instance variable, 8/15 methods documentedscrapy.core.scraper.Slot - Scraper slot (one per running spider)scrapy.crawler.Crawler - No class docstring; 0/10 instance variable, 1/5 method documentedscrapy.crawler.CrawlerRunner - This is a convenient helper class that keeps track of, manages and runs crawlers inside an already setup ~twisted.internet.reactor.scrapy.crawler.CrawlerProcess - A class to run multiple scrapy crawlers in a process simultaneously.scrapy.downloadermiddlewares.ajaxcrawl.AjaxCrawlMiddleware - Handle 'AJAX crawlable' pages marked as crawlable via meta tag. For more info see https://developers.google.com/webmasters/ajax-crawling/docs/getting-started.scrapy.downloadermiddlewares.cookies.CookiesMiddleware - This middleware enables working with sites that need cookiesscrapy.downloadermiddlewares.decompression.DecompressionMiddleware - This middleware tries to recognise and extract the possibly compressed responses that may arrive.scrapy.downloadermiddlewares.defaultheaders.DefaultHeadersMiddleware - Undocumentedscrapy.downloadermiddlewares.downloadtimeout.DownloadTimeoutMiddleware - Undocumentedscrapy.downloadermiddlewares.httpauth.HttpAuthMiddleware - Set Basic HTTP Authorization header (http_user and http_pass spider class attributes)scrapy.downloadermiddlewares.httpcache.HttpCacheMiddleware - Undocumentedscrapy.downloadermiddlewares.httpcompression.HttpCompressionMiddleware - This middleware allows compressed (gzip, deflate) traffic to be sent/received from web sitesscrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware - Undocumentedscrapy.downloadermiddlewares.redirect.BaseRedirectMiddleware - Undocumentedscrapy.downloadermiddlewares.redirect.MetaRefreshMiddleware - Undocumentedscrapy.downloadermiddlewares.redirect.RedirectMiddleware - Handle redirection of requests based on response status and meta-refresh html tag.scrapy.downloadermiddlewares.retry.RetryMiddleware - Undocumentedscrapy.downloadermiddlewares.robotstxt.RobotsTxtMiddleware - Undocumentedscrapy.downloadermiddlewares.stats.DownloaderStats - Undocumentedscrapy.downloadermiddlewares.useragent.UserAgentMiddleware - This middleware allows spiders to override the user_agentscrapy.dupefilters.BaseDupeFilter - Undocumentedscrapy.dupefilters.RFPDupeFilter - Request Fingerprint duplicates filterscrapy.exporters.BaseItemExporter - No class docstring; 0/5 instance variable, 2/7 methods documentedscrapy.exporters.CsvItemExporter - Undocumentedscrapy.exporters.JsonItemExporter - Undocumentedscrapy.exporters.JsonLinesItemExporter - Undocumentedscrapy.exporters.MarshalItemExporter - Exports items in a Python-specific binary format (see marshal).scrapy.exporters.PickleItemExporter - Undocumentedscrapy.exporters.PprintItemExporter - Undocumentedscrapy.exporters.PythonItemExporter - This is a base class for item exporters that extends BaseItemExporter with support for nested items.scrapy.exporters.XmlItemExporter - Undocumentedscrapy.extensions.closespider.CloseSpider - Undocumentedscrapy.extensions.corestats.CoreStats - Undocumentedscrapy.extensions.debug.Debugger - Undocumentedscrapy.extensions.debug.StackTraceDump - Undocumentedscrapy.extensions.feedexport._FeedSlot - Undocumentedscrapy.extensions.feedexport.BlockingFeedStorage - Undocumentedscrapy.extensions.feedexport.FTPFeedStorage - Undocumentedscrapy.extensions.feedexport.GCSFeedStorage - Undocumentedscrapy.extensions.feedexport.S3FeedStorage - Undocumentedscrapy.extensions.feedexport.FeedExporter - No class docstring; 0/6 instance variable, 3/16 methods, 0/1 class method documentedscrapy.extensions.feedexport.FileFeedStorage - Undocumentedscrapy.extensions.feedexport.StdoutFeedStorage - Undocumentedscrapy.extensions.httpcache.DbmCacheStorage - Undocumentedscrapy.extensions.httpcache.DummyPolicy - Undocumentedscrapy.extensions.httpcache.FilesystemCacheStorage - No class docstring; 0/4 instance variable, 2/7 methods documentedscrapy.extensions.httpcache.RFC2616Policy - Undocumentedscrapy.extensions.logstats.LogStats - Log basic scraping stats periodicallyscrapy.extensions.memdebug.MemoryDebugger - Undocumentedscrapy.extensions.memusage.MemoryUsage - No class docstring; 0/9 instance variable, 1/8 method, 0/1 class method documentedscrapy.extensions.spiderstate.SpiderState - Store and load spider state during a scraping jobscrapy.extensions.statsmailer.StatsMailer - Undocumentedscrapy.extensions.throttle.AutoThrottle - No class docstring; 0/5 instance variable, 1/8 method, 0/1 class method documentedscrapy.http.cookies._DummyLock - Undocumentedscrapy.http.cookies.CookieJar - Undocumentedscrapy.http.cookies.WrappedRequest - Wraps a scrapy Request class with methods defined by urllib2.Request class to interact with CookieJar classscrapy.http.cookies.WrappedResponse - Undocumentedscrapy.link.Link - Link objects represent an extracted link by the LinkExtractor.scrapy.linkextractors.FilteringLinkExtractor - Undocumentedscrapy.linkextractors.lxmlhtml.LxmlLinkExtractor - No class docstring; 1/2 method documentedscrapy.linkextractors.lxmlhtml.LxmlParserLinkExtractor - No class docstring; 0/6 instance variable, 1/6 method documentedscrapy.logformatter.LogFormatter - Class for generating log messages for different actions.scrapy.mail.MailSender - Undocumentedscrapy.middleware.MiddlewareManager - Base class for implementing middleware managersscrapy.core.downloader.middleware.DownloaderMiddlewareManager - Undocumentedscrapy.core.spidermw.SpiderMiddlewareManager - Undocumentedscrapy.extension.ExtensionManager - Undocumentedscrapy.pipelines.ItemPipelineManager - Undocumentedscrapy.pipelines.files.FSFilesStore - Undocumentedscrapy.pipelines.files.FTPFilesStore - Undocumentedscrapy.pipelines.files.GCSFilesStore - Undocumentedscrapy.pipelines.files.S3FilesStore - No class docstring; 0/3 instance variable, 0/8 constant, 2/5 methods documentedscrapy.pipelines.media.MediaPipeline - No class docstring; 0/5 instance variable, 0/1 constant, 9/18 methods, 0/1 class method, 0/1 class documentedscrapy.pipelines.files.FilesPipeline - Abstract pipeline that implement the file downloadingscrapy.pipelines.images.ImagesPipeline - Abstract pipeline that implement the image thumbnail generation logicscrapy.pipelines.media.MediaPipeline.SpiderInfo - Undocumentedscrapy.pqueues.DownloaderAwarePriorityQueue - PriorityQueue which takes Downloader activity into account: domains (slots) with the least amount of active downloads are dequeued first.scrapy.pqueues.DownloaderInterface - No class docstring; 0/1 instance variable, 1/4 method documentedscrapy.pqueues.ScrapyPriorityQueue - A priority queue implemented using multiple internal queues (typically, FIFO queues). It uses one internal queue for each priority value. The internal queue must implement the following methods:scrapy.resolver._CachingResolutionReceiver - Undocumentedscrapy.resolver.CachingHostnameResolver - Experimental caching resolver. Resolves IPv4 and IPv6 addresses, does not support setting a timeout value for DNS requests.scrapy.resolver.HostResolution - Undocumentedscrapy.responsetypes.ResponseTypes - No class docstring; 0/2 instance variable, 0/1 constant, 6/8 methods documentedscrapy.robotstxt.RobotParser - No class docstring; 1/1 method, 1/1 class method documentedscrapy.robotstxt.ProtegoRobotParser - Undocumentedscrapy.robotstxt.PythonRobotParser - Undocumentedscrapy.robotstxt.ReppyRobotParser - Undocumentedscrapy.robotstxt.RerpRobotParser - Undocumentedscrapy.settings.SettingsAttribute - Class for storing data related to settings attributes.scrapy.shell.Shell - Undocumentedscrapy.signalmanager.SignalManager - No class docstring; 0/1 instance variable, 5/6 methods documentedscrapy.spiderloader.SpiderLoader - SpiderLoader is a class which locates and loads spiders in a Scrapy project.scrapy.spidermiddlewares.depth.DepthMiddleware - Undocumentedscrapy.spidermiddlewares.httperror.HttpErrorMiddleware - Undocumentedscrapy.spidermiddlewares.offsite.OffsiteMiddleware - No class docstring; 0/3 instance variable, 1/5 method, 0/1 class method documentedscrapy.spidermiddlewares.referer.RefererMiddleware - No class docstring; 0/1 instance variable, 1/4 method, 0/1 class method documentedscrapy.spidermiddlewares.referer.ReferrerPolicy - No class docstring; 0/1 class variable, 2/7 methods documentedscrapy.spidermiddlewares.referer.NoReferrerPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-no-referrerscrapy.spidermiddlewares.referer.NoReferrerWhenDowngradePolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-no-referrer-when-downgradescrapy.spidermiddlewares.referer.DefaultReferrerPolicy - A variant of "no-referrer-when-downgrade", with the addition that "Referer" is not sent if the parent request was using file:// or s3:// scheme.scrapy.spidermiddlewares.referer.OriginPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-originscrapy.spidermiddlewares.referer.OriginWhenCrossOriginPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-origin-when-cross-originscrapy.spidermiddlewares.referer.SameOriginPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-same-originscrapy.spidermiddlewares.referer.StrictOriginPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-strict-originscrapy.spidermiddlewares.referer.StrictOriginWhenCrossOriginPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-strict-origin-when-cross-originscrapy.spidermiddlewares.referer.UnsafeUrlPolicy - https://www.w3.org/TR/referrer-policy/#referrer-policy-unsafe-urlscrapy.spidermiddlewares.urllength.UrlLengthMiddleware - Undocumentedscrapy.spiders.crawl.Rule - Undocumentedscrapy.spiders.Spiderscrapy.spiders.init.InitSpider - Base Spider with initialization facilitiesscrapy.statscollectors.StatsCollector - Undocumentedscrapy.statscollectors.DummyStatsCollector - Undocumentedscrapy.statscollectors.MemoryStatsCollector - Undocumentedscrapy.utils.datatypes.SequenceExclude - Object to test if an item is NOT within some sequence.scrapy.utils.iterators._StreamReader - Undocumentedscrapy.utils.log.StreamLogger - Fake file-like stream object that redirects writes to a logger instancescrapy.utils.python.MutableChain - Thin wrapper around itertools.chain, allowing to add iterables "in-place"scrapy.utils.python.WeakKeyCache - Undocumentedscrapy.utils.reactor.CallLaterOnce - Schedule a function to be called in the next reactor loop, but only if it hasn't been already scheduled since the last time it ran.scrapy.utils.sitemap.Sitemap - Class to parse Sitemap (type=urlset) and Sitemap Index (type=sitemapindex) filesscrapy.utils.testproc.ProcessTest - Undocumentedscrapy.utils.testsite.SiteTest - Undocumentedscrapy.utils.trackref.object_ref - Inherit from this class to a keep a record of live instancesscrapy.http.request.Request - No class docstring; 0/3 property, 0/13 instance variable, 0/2 class variable, 2/8 methods, 1/1 class method documentedscrapy.http.request.form.FormRequest - Undocumentedscrapy.http.request.json_request.JsonRequest - No class docstring; 0/1 instance variable, 1/3 method documentedscrapy.http.request.rpc.XmlRpcRequest - Undocumentedscrapy.http.response.Response - No class docstring; 1/3 property, 0/9 instance variable, 0/2 class variable, 7/13 methods documentedscrapy.http.response.text.TextResponse - No class docstring; 1/3 property, 0/7 instance variable, 0/1 constant, 5/16 methods documentedscrapy.http.response.html.HtmlResponse - Undocumentedscrapy.http.response.xml.XmlResponse - Undocumentedscrapy.item._BaseItem - Temporary class used internally to avoid the deprecation warning raised by isinstance checks using BaseItem.scrapy.item.BaseItem - Deprecated, please use scrapy.item.Item insteadscrapy.item.DictItem - No class docstring; 0/1 instance variable, 0/1 class variable, 1/13 method documentedscrapy.Item - Base class for scraped items.scrapy.selector.unified.Selector - An instance of Selector is a wrapper over response to select certain parts of its content.scrapy.selector.unified.SelectorList - The SelectorList class is a subclass of the builtin list class, which provides a few additional methods.scrapy.Spider - Base class for scrapy spiders. All spiders must inherit from this class.scrapy.commands.bench._BenchSpider - A spider that follows all linksscrapy.spiders.crawl.CrawlSpider - Undocumentedscrapy.spiders.feed.CSVFeedSpider - Spider for parsing CSV feeds. It receives a CSV file in a response; iterates through each of its rows, and calls parse_row with a dict containing each field's data.scrapy.spiders.feed.XMLFeedSpider - This class intends to be the base class for spiders that scrape from XML feeds.scrapy.spiders.sitemap.SitemapSpider - No class docstring; 0/2 instance variable, 0/4 class variable, 2/5 methods documentedscrapy.utils.spider.DefaultSpider - Undocumentedtwisted.internet._sslverify.ClientTLSOptionsscrapy.core.downloader.tls.ScrapyClientTLSOptions - SSL Client connection creator ignoring certificate verification errors (for genuinely invalid certificates or bugs in verification code).twisted.internet.base.ThreadedResolverscrapy.resolver.CachingThreadedResolver - Default caching resolver. IPv4 only, supports setting a timeout value for DNS requests.twisted.internet.endpoints.TCP4ClientEndpointtwisted.internet.error.ConnectionClosedscrapy.core.http2.stream.InactiveStreamClosed - Connection was closed without sending request headers of the stream. This happens when a stream is waiting for other streams to close and connection is lost.twisted.internet.protocol.ClientFactoryscrapy.core.downloader.webclient.ScrapyHTTPClientFactory - No class docstring; 0/20 instance variable, 0/3 class variable, 2/11 methods documentedtwisted.internet.protocol.Factoryscrapy.core.http2.protocol.H2ClientFactory - Undocumentedtwisted.internet.protocol.ProcessProtocolscrapy.utils.testproc.TestProcessProtocol - Undocumentedtwisted.internet.protocol.Protocolscrapy.core.downloader.handlers.ftp.ReceivedDataProtocol - Undocumentedscrapy.core.downloader.handlers.http11._ResponseReader - Undocumentedscrapy.core.http2.protocol.H2ClientProtocol - No class docstring; 2/2 properties, 0/7 instance variable, 0/1 constant, 12/21 methods documentedtwisted.internet.protocol.ServerFactoryscrapy.extensions.telnet.TelnetConsole - Undocumentedtwisted.protocols.policies.TimeoutMixinscrapy.core.http2.protocol.H2ClientProtocol - No class docstring; 2/2 properties, 0/7 instance variable, 0/1 constant, 12/21 methods documentedtwisted.web.client.Agentscrapy.core.downloader.handlers.http11.ScrapyProxyAgent - No class docstring; 0/1 instance variable, 1/2 method documentedscrapy.core.downloader.handlers.http11.TunnelingAgent - No summarytwisted.web.client.BrowserLikePolicyForHTTPSscrapy.core.downloader.contextfactory.ScrapyClientContextFactory - Non-peer-certificate verifying HTTPS context factoryscrapy.core.downloader.contextfactory.BrowserLikeContextFactory - Twisted-recommended context factory for web clients.twisted.web.http.HTTPClientscrapy.core.downloader.webclient.ScrapyHTTPPageGetter - Undocumentedtwisted.web.resource.Resourcescrapy.utils.benchserver.Root - Undocumentedtwisted.web.util.Redirectscrapy.utils.testsite.NoMetaRefreshRedirect - UndocumentedTypeErrorscrapy.exceptions._InvalidOutput - Indicates an invalid value has been returned by a middleware's processing method. Internal and undocumented, it should not be raised or caught by user code.unittest.TextTestResultscrapy.commands.check.TextTestResult - UndocumentedValueErrorscrapy.http.response.text._InvalidSelector - Raised when a URL cannot be obtained from a SelectorWarningscrapy.exceptions.ScrapyDeprecationWarning - Warning category for deprecated features, since the default DeprecationWarning is silenced on Python 2.7+scrapy.spidermiddlewares.offsite.PortWarning - Undocumentedscrapy.spidermiddlewares.offsite.URLWarning - Undocumentedweakref.WeakKeyDictionaryscrapy.utils.datatypes.LocalWeakReferencedCache - A weakref.WeakKeyDictionary implementation that uses LocalCache as its underlying data structure, making it ordered and capable of being size-limited.zope.interface.Interfacescrapy.extensions.feedexport.IFeedStorage - Interface that all Feed Storages must implementscrapy.interfaces.ISpiderLoader - No class docstring; 4/4 methods documented