ComicScrapy/Comics/settings.py
2023-05-16 07:36:12 +08:00

108 lines
3.8 KiB
Python

# Scrapy settings for Comics project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
# https://docs.scrapy.org/en/latest/topics/settings.html
# https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
# https://docs.scrapy.org/en/latest/topics/spider-middleware.html
from fake_useragent import UserAgent
BOT_NAME = 'Comics'
SPIDER_MODULES = ['Comics.spiders']
NEWSPIDER_MODULE = 'Comics.spiders'
# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'Comics (+http://www.yourdomain.com)'
USER_AGENT = UserAgent().random
# Obey robots.txt rules
ROBOTSTXT_OBEY = False
# Configure maximum concurrent requests performed by Scrapy (default: 16)
#CONCURRENT_REQUESTS = 32
# Configure a delay for requests for the same website (default: 0)
# See https://docs.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
IMAGES_URLS_FIELD = "image_url"
IMAGES_RESULT_FIELD = "image_path"
IMAGES_STORE = 'images'
DOWNLOAD_DELAY = 20
#重试
RETRY_ENABLED = True
RETRY_TIMES = 10 # 想重试几次就写几
# 下面这行可要可不要
#RETRY_HTTP_CODES = [500, 502, 503, 504, 408]
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16
PROXY_LIST = [
"http://127.0.0.1:7890",
]
# Disable cookies (enabled by default)
COOKIES_ENABLED = False
# Disable Telnet Console (enabled by default)
#TELNETCONSOLE_ENABLED = False
# Override the default request headers:
#DEFAULT_REQUEST_HEADERS = {
# 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
# 'Accept-Language': 'en',
#}
# Enable or disable spider middlewares
# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
# 'Comics.middlewares.ComicsSpiderMiddleware': 543,
# 'Comics.middlewares.ProxyMiddleware' : 100,
# 'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware': 400,
#}
# Enable or disable downloader middlewares
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
# 'Comics.middlewares.ComicsDownloaderMiddleware': 543,
# 'scrapy.downloadermiddlewares.retry.RetryMiddleware': 500,
'Comics.middlewares.ProxyMiddleware' : 100,
'scrapy.downloadermiddlewares.httpproxy.HttpProxyMiddleware': 400,
}
# Enable or disable extensions
# See https://docs.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
# 'scrapy.extensions.telnet.TelnetConsole': None,
#}
# Configure item pipelines
# See https://docs.scrapy.org/en/latest/topics/item-pipeline.html
ITEM_PIPELINES = {
'Comics.pipelines.ComicsPipeline': 300,
'Comics.pipelines.ImageParsePipeline': 400,
'Comics.pipelines.ImgDownloadPipeline': 500,
'Comics.pipelines.ComicInfoXmlPipeline': 600,
}
# Enable and configure the AutoThrottle extension (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/autothrottle.html
AUTOTHROTTLE_ENABLED = True
# The initial download delay
AUTOTHROTTLE_START_DELAY = 5
# The maximum download delay to be set in case of high latencies
AUTOTHROTTLE_MAX_DELAY = 60
# The average number of requests Scrapy should be sending in parallel to
# each remote server
AUTOTHROTTLE_TARGET_CONCURRENCY = 1.0
# Enable showing throttling stats for every response received:
AUTOTHROTTLE_DEBUG = False
# Enable and configure HTTP caching (disabled by default)
# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html#httpcache-middleware-settings
HTTPCACHE_ENABLED = True
HTTPCACHE_EXPIRATION_SECS = 0
HTTPCACHE_DIR = 'httpcache'
HTTPCACHE_IGNORE_HTTP_CODES = []
HTTPCACHE_STORAGE = 'scrapy.extensions.httpcache.FilesystemCacheStorage'