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IP filtered DNS Resolver

Project description

os-scrapy-ipfilter-resolver

Build Status codecov PyPI - Python Version PyPI

This project provide a DNS Resolver for ip blacklist/whitelist and config DNS expire time.

Install

pip install os-scrapy-ipfilter-resolver

You can run example spider directly in the project root path.

scrapy crawl example

Usage

Settings

  • enable DNS Resolver, in the project settings.py file:

    DNS_RESOLVER = "os_scrapy_ipfilter_resolver.Resolver"
    
  • config IP blacklist, it will raise IPFilteredException when the request ip in the blacklist

    IP_DISALLOWED = ["192.168.0.0/16", "10.143.0.1"]
    
  • config IP whitelist, priority greater than blacklist

    IP_ALLOWED = ["192.168.0.1"]
    
  • config DNS cache size and expire time(seconds)

    DNSCACHE_ENABLED = True
    DNSCACHE_SIZE = 10000
    DNSCACHE_EXPIRE = 24 * 60 * 60
    
  • config DNS lookup timeout(seconds)

    DNS_TIMEOUT = 60
    

Unit Tests

tox

License

MIT licensed.

Project details


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Source Distribution

os_scrapy_ipfilter_resolver-0.0.4.tar.gz (6.9 kB view hashes)

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