Bulbasaur

Bulbasaur was created with the objective of shares the component used by Preadly on crawler operations. He is mudule for crawler operations on each operation is used the xml parser Nokogiri and Bulbasaur is just helper for simplify operations with HTML.

Installation

Add this line to your application's Gemfile:

gem 'bulbasaur'

Or to get the latest updates:

gem 'bulbasaur', github: 'preadly/bulbasaur', branch: 'master'

And then execute:

$ bundle

Or install it yourself as:

$ gem install bulbasaur

Usage

Bulbasaur is separated in three operations Extracts, Replaces and Others

Extract

Composted for operations:

• ExtractImagesFromHTML
• ExtractImagesFromYoutube
• ExtractImagesFromVimeo
• ExtractImagesFromAllResorces

html = "<img src='test.jpg' alt='test' /><img src='test-2.jpg' alt='test' />"
images = ExtractImagesFromHTML.new(html).call
puts images #print [{url: 'test.jpg', alt='alt'}, {url: 'test-2.jpg', alt='test'}]

Replaces

Composted for operations:

• ReplacesByTagImage
• ReplacesByTagLink

html = "<img src='test.jpg' alt='test' />"
image_replaces = [{original_image_url:"test.jpg", url: "new-image.png"}]
ReplacesByTagImage.new(html, image_replaces).call
puts html #print <img src='new-image.png' alt='test' />

Others

• NormalizeURL

base_url = 'http://github.com'
context_url = 'preadly'
url = NormalizeURL.new(base_url, context_url).call
puts url #print http://github.com/preadly

For more informations about how this components works run our spec with param "--format d"

rspec --format d --color

Contributing

1. Fork it ( https://github.com/preadly/bulbasaur )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request