Scrapy sets breadth first, crawls the latest data - Code World

Scrapy sets breadth first, crawls the latest data

Others 2020-04-18 08:54:20 views: null

# 爬虫允许的最大深度，可以通过meta查看当前深度；0表示无深度
DEPTH_LIMIT = 3

# 爬取时，0表示深度优先Lifo(默认)；1表示广度优先FiFo
# 后进先出，深度优先
# DEPTH_PRIORITY = 0
# SCHEDULER_DISK_QUEUE = 'scrapy.squeues.PickleLifoDiskQueue'
# SCHEDULER_MEMORY_QUEUE = 'scrapy.squeues.LifoMemoryQueue'

# 先进先出，广度优先
DEPTH_PRIORITY = 1
SCHEDULER_DISK_QUEUE = 'scrapy.squeues.PickleFifoDiskQueue'
SCHEDULER_MEMORY_QUEUE = 'scrapy.squeues.FifoMemoryQueue'

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