mirror of https://github.com/scrapy/scrapy.git
219 lines
6.1 KiB
Python
219 lines
6.1 KiB
Python
"""
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This module contains the default values for all settings used by Scrapy.
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For more information about these settings you can read the settings
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documentation in docs/topics/settings.rst
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Scrapy developers, if you add a setting here remember to:
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* add it in alphabetical order
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* group similar settings without leaving blank lines
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* add its documentation to the available settings documentation
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(docs/topics/settings.rst)
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"""
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from os.path import join, abspath, dirname
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BOT_NAME = 'scrapybot'
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BOT_VERSION = '1.0'
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CLOSESPIDER_TIMEOUT = 0
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CLOSESPIDER_ITEMPASSED = 0
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COMMANDS_MODULE = ''
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COMMANDS_SETTINGS_MODULE = ''
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CONCURRENT_ITEMS = 100
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CONCURRENT_REQUESTS_PER_SPIDER = 8
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CONCURRENT_SPIDERS = 8
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COOKIES_DEBUG = False
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DEFAULT_ITEM_CLASS = 'scrapy.item.Item'
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DEFAULT_REQUEST_HEADERS = {
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'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
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'Accept-Language': 'en',
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}
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DEFAULT_RESPONSE_ENCODING = 'ascii'
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DEPTH_LIMIT = 0
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DEPTH_STATS = True
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DOWNLOAD_DELAY = 0
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DOWNLOAD_TIMEOUT = 180 # 3mins
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DOWNLOADER_DEBUG = False
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DOWNLOADER_HTTPCLIENTFACTORY = 'scrapy.core.downloader.webclient.ScrapyHTTPClientFactory'
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DOWNLOADER_MIDDLEWARES = {}
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DOWNLOADER_MIDDLEWARES_BASE = {
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# Engine side
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'scrapy.contrib.downloadermiddleware.robotstxt.RobotsTxtMiddleware': 100,
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'scrapy.contrib.downloadermiddleware.httpauth.HttpAuthMiddleware': 300,
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'scrapy.contrib.downloadermiddleware.useragent.UserAgentMiddleware': 400,
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'scrapy.contrib.downloadermiddleware.retry.RetryMiddleware': 500,
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'scrapy.contrib.downloadermiddleware.defaultheaders.DefaultHeadersMiddleware': 550,
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'scrapy.contrib.downloadermiddleware.redirect.RedirectMiddleware': 600,
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'scrapy.contrib.downloadermiddleware.cookies.CookiesMiddleware': 700,
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'scrapy.contrib.downloadermiddleware.httpproxy.HttpProxyMiddleware': 750,
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'scrapy.contrib.downloadermiddleware.httpcompression.HttpCompressionMiddleware': 800,
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'scrapy.contrib.downloadermiddleware.stats.DownloaderStats': 850,
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'scrapy.contrib.downloadermiddleware.httpcache.HttpCacheMiddleware': 900,
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# Downloader side
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}
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DOWNLOADER_STATS = True
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DUPEFILTER_CLASS = 'scrapy.contrib.dupefilter.RequestFingerprintDupeFilter'
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ENCODING_ALIASES = {}
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ENCODING_ALIASES_BASE = {
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'zh-cn': 'gb2312',
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'win-1251': 'cp1251',
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'macintosh' : 'mac-roman',
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'x-sjis': 'shift-jis',
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'iso-8859-1': 'cp1252',
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'iso8859-1': 'cp1252',
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'8859': 'cp1252',
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'cp819': 'cp1252',
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'latin': 'cp1252',
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'latin1': 'cp1252',
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'latin_1': 'cp1252',
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'l1': 'cp1252',
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}
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EXTENSIONS = {}
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EXTENSIONS_BASE = {
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'scrapy.contrib.corestats.CoreStats': 0,
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'scrapy.management.web.WebConsole': 0,
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'scrapy.management.telnet.TelnetConsole': 0,
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'scrapy.contrib.webconsole.scheduler.SchedulerQueue': 0,
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'scrapy.contrib.webconsole.livestats.LiveStats': 0,
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'scrapy.contrib.webconsole.spiderctl.Spiderctl': 0,
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'scrapy.contrib.webconsole.enginestatus.EngineStatus': 0,
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'scrapy.contrib.webconsole.stats.StatsDump': 0,
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'scrapy.contrib.memusage.MemoryUsage': 0,
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'scrapy.contrib.memdebug.MemoryDebugger': 0,
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'scrapy.contrib.closespider.CloseSpider': 0,
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}
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GROUPSETTINGS_ENABLED = False
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GROUPSETTINGS_MODULE = ''
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HTTPCACHE_DIR = ''
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HTTPCACHE_IGNORE_MISSING = False
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HTTPCACHE_STORAGE = 'scrapy.contrib.downloadermiddleware.httpcache.FilesystemCacheStorage'
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HTTPCACHE_EXPIRATION_SECS = 0
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ITEM_PROCESSOR = 'scrapy.contrib.pipeline.ItemPipelineManager'
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# Item pipelines are typically set in specific commands settings
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ITEM_PIPELINES = []
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LOG_ENABLED = True
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LOG_ENCODING = 'utf-8'
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LOG_FORMATTER_CRAWLED = 'scrapy.contrib.logformatter.crawled_logline'
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LOG_STDOUT = False
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LOG_LEVEL = 'DEBUG'
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LOG_FILE = None
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MAIL_HOST = 'localhost'
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MAIL_FROM = 'scrapy@localhost'
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MEMDEBUG_ENABLED = False # enable memory debugging
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MEMDEBUG_NOTIFY = [] # send memory debugging report by mail at engine shutdown
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MEMUSAGE_ENABLED = 1
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MEMUSAGE_LIMIT_MB = 0
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MEMUSAGE_NOTIFY_MAIL = []
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MEMUSAGE_REPORT = False
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MEMUSAGE_WARNING_MB = 0
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MYSQL_CONNECTION_SETTINGS = {}
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NEWSPIDER_MODULE = ''
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RANDOMIZE_DOWNLOAD_DELAY = True
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REDIRECT_MAX_METAREFRESH_DELAY = 100
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REDIRECT_MAX_TIMES = 20 # uses Firefox default setting
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REDIRECT_PRIORITY_ADJUST = +2
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REQUEST_HANDLERS = {}
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REQUEST_HANDLERS_BASE = {
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'file': 'scrapy.core.downloader.handlers.file.download_file',
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'http': 'scrapy.core.downloader.handlers.http.download_http',
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'https': 'scrapy.core.downloader.handlers.http.download_http',
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}
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REQUESTS_QUEUE_SIZE = 0
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# contrib.middleware.retry.RetryMiddleware default settings
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RETRY_TIMES = 2 # initial response + 2 retries = 3 requests
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RETRY_HTTP_CODES = ['500', '503', '504', '400', '408']
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RETRY_PRIORITY_ADJUST = -1
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ROBOTSTXT_OBEY = False
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SCHEDULER = 'scrapy.core.scheduler.Scheduler'
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SCHEDULER_MIDDLEWARES = {}
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SCHEDULER_MIDDLEWARES_BASE = {
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'scrapy.contrib.schedulermiddleware.duplicatesfilter.DuplicatesFilterMiddleware': 500,
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}
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SCHEDULER_ORDER = 'DFO'
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SPIDER_MANAGER_CLASS = 'scrapy.contrib.spidermanager.TwistedPluginSpiderManager'
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SPIDER_MIDDLEWARES = {}
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SPIDER_MIDDLEWARES_BASE = {
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# Engine side
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'scrapy.contrib.spidermiddleware.httperror.HttpErrorMiddleware': 50,
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'scrapy.contrib.itemsampler.ItemSamplerMiddleware': 100,
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'scrapy.contrib.spidermiddleware.requestlimit.RequestLimitMiddleware': 200,
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'scrapy.contrib.spidermiddleware.offsite.OffsiteMiddleware': 500,
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'scrapy.contrib.spidermiddleware.referer.RefererMiddleware': 700,
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'scrapy.contrib.spidermiddleware.urllength.UrlLengthMiddleware': 800,
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'scrapy.contrib.spidermiddleware.depth.DepthMiddleware': 900,
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# Spider side
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}
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SPIDER_MODULES = []
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SPIDER_SCHEDULER = 'scrapy.contrib.spiderscheduler.FifoSpiderScheduler'
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SPIDERPROFILER_ENABLED = False
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STATS_CLASS = 'scrapy.stats.collector.MemoryStatsCollector'
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STATS_ENABLED = True
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STATS_DUMP = False
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STATS_SDB_DOMAIN = 'scrapy_stats'
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STATS_SDB_ASYNC = False
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STATSMAILER_RCPTS = []
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TEMPLATES_DIR = abspath(join(dirname(__file__), '..', 'templates'))
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URLLENGTH_LIMIT = 2083
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USER_AGENT = '%s/%s' % (BOT_NAME, BOT_VERSION)
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TELNETCONSOLE_ENABLED = 1
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TELNETCONSOLE_PORT = 6023 # if None, uses a dynamic port
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WEBCONSOLE_ENABLED = True
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WEBCONSOLE_PORT = 6080
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WEBCONSOLE_LOGFILE = None
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