Anemone

Anemone is a web spider framework that can spider a domain and collect useful information about the pages it visits. It is versatile, allowing you to write your own specialized spider tasks quickly and easily.

See http://anemone.rubyforge.org for more information.

Features

• Multi-threaded design for high performance
• Tracks 301 HTTP redirects
• Built-in BFS algorithm for determining page depth
• Allows exclusion of URLs based on regular expressions
• Choose the links to follow on each page with focus_crawl()
• HTTPS support
• Records response time for each page
• CLI program can list all pages in a domain, calculate page depths, and more
• Obey robots.txt
• In-memory or persistent storage of pages during crawl, using TokyoCabinet, SQLite3, MongoDB, or Redis

Examples

See the scripts under the lib/anemone/cli directory for examples of several useful Anemone tasks.

Requirements

• nokogiri
• robots

Development

To test and develop this gem, additional requirements are:

• rspec
• fakeweb
• tokyocabinet
• kyotocabinet-ruby
• mongo
• redis
• sqlite3

You will need to have KyotoCabinet, Tokyo Cabinet, MongoDB, and Redis installed on your system and running.