Scrapy-Redis-BloomFilter
这是个scrapy_redis的布隆过滤器版本，与https://github.com/Python3WebSpider/ScrapyRedisBloomFilter
不同的是，该项目使用redis里的布隆过滤器，而不是使用bit来实现
必要条件
需要redis加载了布隆过滤器的插件，默认安装的redis是没有加载的 具体请看：https://redis.io/docs/stack/bloom/quick_start/
安装
使用pip: pip install scrapy-redis-bf
使用
在scrapy项目里的 settings.py添加如下设置:
SCHEDULER = "scrapy_redis_bf.scheduler.Scheduler"
DUPEFILTER_CLASS = "scrapy_redis_bf.dupefilter.RFPDupeFilter"
# 默认是通过spider的name来创建redis key
SCHEDULER_DUPEFILTER_ATTR = "name"
# 格式：redis://[:password@]host[:port][/database][?[timeout=timeout[d|h|m|s|ms|us|ns]][&database=database]]
REDIS_URL = 'redis://localhost:6379'
# 错误率
BLOOMFILTER_ERRORRATE = 0.001
# 去重量
BLOOMFILTER_CAPACITY = 10000
测试
下载该项目，然后运行里面的test spider即可
Github
1 maintainer
Metadata
1 maintainer
Release files for scrapy-redis-bf 0.1.2
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