diff --git a/scrapy/settings/default_settings.py b/scrapy/settings/default_settings.py index 4a27017a6..7cd470f11 100644 --- a/scrapy/settings/default_settings.py +++ b/scrapy/settings/default_settings.py @@ -1,16 +1,16 @@ -""" -This module contains the default values for all settings used by Scrapy. +"""This module contains the default values for all settings used by Scrapy. For more information about these settings you can read the settings documentation in docs/topics/settings.rst Scrapy developers, if you add a setting here remember to: -* add it in alphabetical order +* add it in alphabetical order, with the exception that enabling flags and + other high-level settings for a group should come first in their group + and pairs like host/port and user/password should be in the usual order * group similar settings without leaving blank lines * add its documentation to the available settings documentation (docs/topics/settings.rst) - """ import sys @@ -31,10 +31,10 @@ AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0 BOT_NAME = "scrapybot" -CLOSESPIDER_TIMEOUT = 0 -CLOSESPIDER_PAGECOUNT = 0 -CLOSESPIDER_ITEMCOUNT = 0 CLOSESPIDER_ERRORCOUNT = 0 +CLOSESPIDER_ITEMCOUNT = 0 +CLOSESPIDER_PAGECOUNT = 0 +CLOSESPIDER_TIMEOUT = 0 COMMANDS_MODULE = "" @@ -59,8 +59,8 @@ DEFAULT_REQUEST_HEADERS = { } DEPTH_LIMIT = 0 -DEPTH_STATS_VERBOSE = False DEPTH_PRIORITY = 0 +DEPTH_STATS_VERBOSE = False DNSCACHE_ENABLED = True DNSCACHE_SIZE = 10000 @@ -69,6 +69,8 @@ DNS_TIMEOUT = 60 DOWNLOAD_DELAY = 0 +DOWNLOAD_FAIL_ON_DATALOSS = True + DOWNLOAD_HANDLERS = {} DOWNLOAD_HANDLERS_BASE = { "data": "scrapy.core.downloader.handlers.datauri.DataURIDownloadHandler", @@ -79,18 +81,13 @@ DOWNLOAD_HANDLERS_BASE = { "ftp": "scrapy.core.downloader.handlers.ftp.FTPDownloadHandler", } -DOWNLOAD_TIMEOUT = 180 # 3mins - DOWNLOAD_MAXSIZE = 1024 * 1024 * 1024 # 1024m DOWNLOAD_WARNSIZE = 32 * 1024 * 1024 # 32m -DOWNLOAD_FAIL_ON_DATALOSS = True +DOWNLOAD_TIMEOUT = 180 # 3mins DOWNLOADER = "scrapy.core.downloader.Downloader" -DOWNLOADER_HTTPCLIENTFACTORY = ( - "scrapy.core.downloader.webclient.ScrapyHTTPClientFactory" -) DOWNLOADER_CLIENTCONTEXTFACTORY = ( "scrapy.core.downloader.contextfactory.ScrapyClientContextFactory" ) @@ -99,8 +96,11 @@ DOWNLOADER_CLIENT_TLS_CIPHERS = "DEFAULT" DOWNLOADER_CLIENT_TLS_METHOD = "TLS" DOWNLOADER_CLIENT_TLS_VERBOSE_LOGGING = False -DOWNLOADER_MIDDLEWARES = {} +DOWNLOADER_HTTPCLIENTFACTORY = ( + "scrapy.core.downloader.webclient.ScrapyHTTPClientFactory" +) +DOWNLOADER_MIDDLEWARES = {} DOWNLOADER_MIDDLEWARES_BASE = { # Engine side "scrapy.downloadermiddlewares.offsite.OffsiteMiddleware": 50, @@ -130,7 +130,6 @@ if sys.platform == "win32": EDITOR = "%s -m idlelib.idle" EXTENSIONS = {} - EXTENSIONS_BASE = { "scrapy.extensions.corestats.CoreStats": 0, "scrapy.extensions.telnet.TelnetConsole": 0, @@ -143,22 +142,11 @@ EXTENSIONS_BASE = { "scrapy.extensions.throttle.AutoThrottle": 0, } -FEED_TEMPDIR = None FEEDS = {} -FEED_URI_PARAMS = None # a function to extend uri arguments -FEED_STORE_EMPTY = True +FEED_EXPORT_BATCH_ITEM_COUNT = 0 FEED_EXPORT_ENCODING = None FEED_EXPORT_FIELDS = None -FEED_STORAGES = {} -FEED_STORAGES_BASE = { - "": "scrapy.extensions.feedexport.FileFeedStorage", - "file": "scrapy.extensions.feedexport.FileFeedStorage", - "ftp": "scrapy.extensions.feedexport.FTPFeedStorage", - "gs": "scrapy.extensions.feedexport.GCSFeedStorage", - "s3": "scrapy.extensions.feedexport.S3FeedStorage", - "stdout": "scrapy.extensions.feedexport.StdoutFeedStorage", -} -FEED_EXPORT_BATCH_ITEM_COUNT = 0 +FEED_EXPORT_INDENT = 0 FEED_EXPORTERS = {} FEED_EXPORTERS_BASE = { "json": "scrapy.exporters.JsonItemExporter", @@ -170,59 +158,69 @@ FEED_EXPORTERS_BASE = { "marshal": "scrapy.exporters.MarshalItemExporter", "pickle": "scrapy.exporters.PickleItemExporter", } -FEED_EXPORT_INDENT = 0 - +FEED_STORE_EMPTY = True +FEED_STORAGES = {} +FEED_STORAGES_BASE = { + "": "scrapy.extensions.feedexport.FileFeedStorage", + "file": "scrapy.extensions.feedexport.FileFeedStorage", + "ftp": "scrapy.extensions.feedexport.FTPFeedStorage", + "gs": "scrapy.extensions.feedexport.GCSFeedStorage", + "s3": "scrapy.extensions.feedexport.S3FeedStorage", + "stdout": "scrapy.extensions.feedexport.StdoutFeedStorage", +} FEED_STORAGE_FTP_ACTIVE = False FEED_STORAGE_GCS_ACL = "" FEED_STORAGE_S3_ACL = "" +FEED_TEMPDIR = None +FEED_URI_PARAMS = None # a function to extend uri arguments -FILES_STORE_S3_ACL = "private" FILES_STORE_GCS_ACL = "" +FILES_STORE_S3_ACL = "private" FORCE_CRAWLER_PROCESS = False +FTP_PASSIVE_MODE = True FTP_USER = "anonymous" FTP_PASSWORD = "guest" # noqa: S105 -FTP_PASSIVE_MODE = True GCS_PROJECT_ID = None HTTPCACHE_ENABLED = False -HTTPCACHE_DIR = "httpcache" -HTTPCACHE_IGNORE_MISSING = False -HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage" -HTTPCACHE_EXPIRATION_SECS = 0 HTTPCACHE_ALWAYS_STORE = False -HTTPCACHE_IGNORE_HTTP_CODES = [] -HTTPCACHE_IGNORE_SCHEMES = ["file"] -HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS = [] HTTPCACHE_DBM_MODULE = "dbm" -HTTPCACHE_POLICY = "scrapy.extensions.httpcache.DummyPolicy" +HTTPCACHE_DIR = "httpcache" +HTTPCACHE_EXPIRATION_SECS = 0 HTTPCACHE_GZIP = False +HTTPCACHE_IGNORE_HTTP_CODES = [] +HTTPCACHE_IGNORE_MISSING = False +HTTPCACHE_IGNORE_RESPONSE_CACHE_CONTROLS = [] +HTTPCACHE_IGNORE_SCHEMES = ["file"] +HTTPCACHE_POLICY = "scrapy.extensions.httpcache.DummyPolicy" +HTTPCACHE_STORAGE = "scrapy.extensions.httpcache.FilesystemCacheStorage" HTTPPROXY_ENABLED = True HTTPPROXY_AUTH_ENCODING = "latin-1" -IMAGES_STORE_S3_ACL = "private" IMAGES_STORE_GCS_ACL = "" - -ITEM_PROCESSOR = "scrapy.pipelines.ItemPipelineManager" +IMAGES_STORE_S3_ACL = "private" ITEM_PIPELINES = {} ITEM_PIPELINES_BASE = {} +ITEM_PROCESSOR = "scrapy.pipelines.ItemPipelineManager" + JOBDIR = None LOG_ENABLED = True -LOG_ENCODING = "utf-8" -LOG_FORMATTER = "scrapy.logformatter.LogFormatter" -LOG_FORMAT = "%(asctime)s [%(name)s] %(levelname)s: %(message)s" LOG_DATEFORMAT = "%Y-%m-%d %H:%M:%S" -LOG_STDOUT = False -LOG_LEVEL = "DEBUG" +LOG_ENCODING = "utf-8" LOG_FILE = None LOG_FILE_APPEND = True +LOG_FORMAT = "%(asctime)s [%(name)s] %(levelname)s: %(message)s" +LOG_FORMATTER = "scrapy.logformatter.LogFormatter" +LOG_LEVEL = "DEBUG" LOG_SHORT_NAMES = False +LOG_STDOUT = False LOG_VERSIONS = [ "lxml", "libxml2", @@ -236,21 +234,19 @@ LOG_VERSIONS = [ "Platform", ] -SCHEDULER_DEBUG = False - LOGSTATS_INTERVAL = 60.0 +MAIL_FROM = "scrapy@localhost" MAIL_HOST = "localhost" MAIL_PORT = 25 -MAIL_FROM = "scrapy@localhost" -MAIL_PASS = None MAIL_USER = None +MAIL_PASS = None MEMDEBUG_ENABLED = False # enable memory debugging MEMDEBUG_NOTIFY = [] # send memory debugging report by mail at engine shutdown -MEMUSAGE_CHECK_INTERVAL_SECONDS = 60.0 MEMUSAGE_ENABLED = True +MEMUSAGE_CHECK_INTERVAL_SECONDS = 60.0 MEMUSAGE_LIMIT_MB = 0 MEMUSAGE_NOTIFY_MAIL = [] MEMUSAGE_WARNING_MB = 0 @@ -280,9 +276,6 @@ REQUEST_FINGERPRINTER_CLASS = "scrapy.utils.request.RequestFingerprinter" REQUEST_FINGERPRINTER_IMPLEMENTATION = "SENTINEL" RETRY_ENABLED = True -RETRY_TIMES = 2 # initial response + 2 retries = 3 requests -RETRY_HTTP_CODES = [500, 502, 503, 504, 522, 524, 408, 429] -RETRY_PRIORITY_ADJUST = -1 RETRY_EXCEPTIONS = [ "twisted.internet.defer.TimeoutError", "twisted.internet.error.TimeoutError", @@ -298,12 +291,16 @@ RETRY_EXCEPTIONS = [ OSError, "scrapy.core.downloader.handlers.http11.TunnelError", ] +RETRY_HTTP_CODES = [500, 502, 503, 504, 522, 524, 408, 429] +RETRY_PRIORITY_ADJUST = -1 +RETRY_TIMES = 2 # initial response + 2 retries = 3 requests ROBOTSTXT_OBEY = False ROBOTSTXT_PARSER = "scrapy.robotstxt.ProtegoRobotParser" ROBOTSTXT_USER_AGENT = None SCHEDULER = "scrapy.core.scheduler.Scheduler" +SCHEDULER_DEBUG = False SCHEDULER_DISK_QUEUE = "scrapy.squeues.PickleLifoDiskQueue" SCHEDULER_MEMORY_QUEUE = "scrapy.squeues.LifoMemoryQueue" SCHEDULER_PRIORITY_QUEUE = "scrapy.pqueues.ScrapyPriorityQueue" @@ -312,11 +309,19 @@ SCHEDULER_START_MEMORY_QUEUE = "scrapy.squeues.FifoMemoryQueue" SCRAPER_SLOT_MAX_ACTIVE_SIZE = 5000000 +SPIDER_CONTRACTS = {} +SPIDER_CONTRACTS_BASE = { + "scrapy.contracts.default.UrlContract": 1, + "scrapy.contracts.default.CallbackKeywordArgumentsContract": 1, + "scrapy.contracts.default.MetadataContract": 1, + "scrapy.contracts.default.ReturnsContract": 2, + "scrapy.contracts.default.ScrapesContract": 3, +} + SPIDER_LOADER_CLASS = "scrapy.spiderloader.SpiderLoader" SPIDER_LOADER_WARN_ONLY = False SPIDER_MIDDLEWARES = {} - SPIDER_MIDDLEWARES_BASE = { # Engine side "scrapy.spidermiddlewares.start.StartSpiderMiddleware": 25, @@ -334,27 +339,18 @@ STATS_DUMP = True STATSMAILER_RCPTS = [] +TELNETCONSOLE_ENABLED = 1 +TELNETCONSOLE_HOST = "127.0.0.1" +TELNETCONSOLE_PORT = [6023, 6073] +TELNETCONSOLE_USERNAME = "scrapy" +TELNETCONSOLE_PASSWORD = None + TEMPLATES_DIR = str((Path(__file__).parent / ".." / "templates").resolve()) +TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" + URLLENGTH_LIMIT = 2083 USER_AGENT = f"Scrapy/{import_module('scrapy').__version__} (+https://scrapy.org)" -TELNETCONSOLE_ENABLED = 1 -TELNETCONSOLE_PORT = [6023, 6073] -TELNETCONSOLE_HOST = "127.0.0.1" -TELNETCONSOLE_USERNAME = "scrapy" -TELNETCONSOLE_PASSWORD = None - -TWISTED_REACTOR = "twisted.internet.asyncioreactor.AsyncioSelectorReactor" - -SPIDER_CONTRACTS = {} -SPIDER_CONTRACTS_BASE = { - "scrapy.contracts.default.UrlContract": 1, - "scrapy.contracts.default.CallbackKeywordArgumentsContract": 1, - "scrapy.contracts.default.MetadataContract": 1, - "scrapy.contracts.default.ReturnsContract": 2, - "scrapy.contracts.default.ScrapesContract": 3, -} - WARN_ON_GENERATOR_RETURN_VALUE = True