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settings.py

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+# -*- coding: utf-8 -*-
+
+# Scrapy settings for tencent 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
+
+BOT_NAME = 'tencent'
+
+SPIDER_MODULES = ['tencent.spiders']
+NEWSPIDER_MODULE = 'tencent.spiders'
+
+# LOG_LEVEL = 'WARNING'
+# Crawl responsibly by identifying yourself (and your website) on the user-agent
+#USER_AGENT = 'tencent (+http://www.yourdomain.com)'
+USER_AGENT = 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36'
+
+
+SCHEDULER = "scrapy_redis.scheduler.Scheduler"
+
+DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
+
+SCHEDULER_PERSIST = True
+# Obey robots.txt rules
+# ROBOTSTXT_OBEY = 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://docs.scrapy.org/en/latest/topics/settings.html#download-delay
+# See also autothrottle settings and docs
+DOWNLOAD_DELAY = 0.5
+# 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-Language': 'en',
+#}
+
+# Enable or disable spider middlewares
+# See https://docs.scrapy.org/en/latest/topics/spider-middleware.html
+#SPIDER_MIDDLEWARES = {
+#    'tencent.middlewares.TencentSpiderMiddleware': 543,
+#}
+
+# Enable or disable downloader middlewares
+# See https://docs.scrapy.org/en/latest/topics/downloader-middleware.html
+DOWNLOADER_MIDDLEWARES = {
+    'tencent.middlewares.TencentDownloaderMiddleware': 543,
+    'tencent.middlewares.RandomUserAgentMiddlware': 333,
+}
+
+# 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 = {
+   'tencent.pipelines.TencentPipeline': 300,
+    'scrapy_redis.pipelines.RedisPipeline':400,
+}
+
+# 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'
+
+REDIS_HOST = '127.0.0.1'  # 主机名
+REDIS_PORT = 6379
+# 启用 Scrapy-Redis 调度存储请求队列
+#SCHEDULER = "scrapy_redis.scheduler.Scheduler"
+
+# 去重规则对应处理的类
+#DUPEFILTER_CLASS = "scrapy_redis.dupefilter.RFPDupeFilter"
+
+# 对保存到 redis 中的数据进行序列化，默认使用pickle
+# SCHEDULER_SERIALIZER = "scrapy_redis.picklecompat"
+
+# 不清除 Redis 队列，即是否在关闭时候保留原来的调度器和去重记录。
+# True=保留，False=清空。这样可以暂停/恢复 爬取
+#SCHEDULER_PERSIST = True
+
+# 是否在开始之前清空 调度器和去重记录，True=清空，False=不清空
+# SCHEDULER_FLUSH_ON_START = True
+
+#DEPTH_PRIORITY = 1  # 广度优先
+# DEPTH_PRIORITY = -1 # 深度优先
+# 使用优先级调度请求队列 （默认使用）
+#SCHEDULER_QUEUE_CLASS = 'scrapy_redis.queue.PriorityQueue'
+HTTPERROR_ALLOWED_CODES = [500]
+
+