scrapy爬虫框架setting.py配置自定义应对服务器反爬策略

chendm

scrapy爬虫框架setting.py配置自定义应对服务器反爬策略
针对各种授权策略破解
自行增加人工智能验证码通用设置吧，不好多说，以便大家学习参考。

[Python] 纯文本查看 复制代码

# -*- coding: utf-8 -*-

# Scrapy settings for Bfxwspiders project
#
# For simplicity, this file contains only settings considered important or
# commonly used. You can find more settings consulting the documentation:
#
#     https://doc.scrapy.org/en/latest/topics/settings.html
#     https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
#     https://doc.scrapy.org/en/latest/topics/spider-middleware.html

BOT_NAME = 'Bfxwspiders'

SPIDER_MODULES = ['Bfxwspiders.spiders']
NEWSPIDER_MODULE = 'Bfxwspiders.spiders'


# Crawl responsibly by identifying yourself (and your website) on the user-agent
#USER_AGENT = 'Bfxwspiders (+http://www.yourdomain.com)'

# Obey robots.txt rules
ROBOTSTXT_OBEY = False #True
DUPEFILTER_DEBUG = True
# 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://doc.scrapy.org/en/latest/topics/settings.html#download-delay
# See also autothrottle settings and docs
#增加爬取响应速度
DOWNLOAD_DELAY = 0.20
# The download delay setting will honor only one of:
#CONCURRENT_REQUESTS_PER_DOMAIN = 16
#CONCURRENT_REQUESTS_PER_IP = 16

# 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-Encoding':'gzip, deflate, sdch',
  'Accept-Language':'zh-CN,zh;q=0.8'
}

# Enable or disable spider middlewares
# See https://doc.scrapy.org/en/latest/topics/spider-middleware.html
#SPIDER_MIDDLEWARES = {
#    'Bfxwspiders.middlewares.BfxwspidersSpiderMiddleware': 543,
#}

# Enable or disable downloader middlewares
# See https://doc.scrapy.org/en/latest/topics/downloader-middleware.html
DOWNLOADER_MIDDLEWARES = {
#    'Bfxwspiders.middlewares.BfxwspidersDownloaderMiddleware': 543,
}

# Enable or disable extensions
# See https://doc.scrapy.org/en/latest/topics/extensions.html
#EXTENSIONS = {
#    'scrapy.extensions.telnet.TelnetConsole': None,
#}

# Configure item pipelines
# See https://doc.scrapy.org/en/latest/topics/item-pipeline.html
#ITEM_PIPELINES = {
#    'Bfxwspiders.pipelines.BfxwspidersPipeline': 300,
#}

# Enable and configure the AutoThrottle extension (disabled by default)
# See https://doc.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://doc.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'
PROXIES = []

次谐波

虽然没用过，看不懂，但是我总觉得有问题

welcomemy7

先mark知识点，等学到这里在来看看

SZnA1

次谐波 发表于 2024-1-18 08:45
虽然没用过，看不懂，但是我总觉得有问题

哈哈哈，

iapeng

https://www.wzzpx.com/veiw/yigenvrendeshishi2009/1-1.html

楼主试试这个  是怎么爬取的？不知道用了什么反爬策略，就是获取不到网页元素。

zuxin521

怎么样能发现在爬取过程中，到达某个时间，或者是访问获取一定的数据量的时候，它出现了限制或者验证？小白表述的可能不太准确不专业

chendm

这个框架就是这样的，需要配置好底层的setting.py文件