Spidy

Add this line to your application's Gemfile:

gem 'spidy'

And then execute:

$ bundle

Or install it yourself as:

$ gem install spidy

website.rb

Spidy.defin do
  spider(as: :html) do |yielder, connector, url|
    connector.call(url) do |html|
      # html as nokogiri object ( mechanize )
      yielder.call(url)
    end
  end

  define(as: :html) do
    let(:object_name, 'nokogiri query')
  end
end

echo 'http://example.com' | spidy each website.rb > urls
cat urls | spidy call website.rb > website.json
# shorthands
echo 'http://example.com' | spidy each website.rb | spidy call website.rb | jq .

spidy console website.rb

pry(#<Spidy::Console>)> reload!

each('http://example.com') { |url| break url }
call('http://example.com') { |html| break html } # html as nokogiri object ( mechanize )

a = Spidy.define do
  # Implementing spiders and scrapers
end

a.each(url) do |url|
  # Loop for the number of retrieved URLs
end

a.call(url) do |object|
  # The scrape result is passed as a defined object
end

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/aileron-inc/spidy. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

The gem is available as open source under the terms of the MIT License.

Everyone interacting in the Crawler project’s codebases, issue trackers, chat rooms and mailing lists is expected to follow the code of conduct.