Fetching album covers from Amazon Web Service 1

Posted by Dan Sosedoff on February 15, 2009

On my small project i was looking for web service to get media covers from. I found that i can use Amazon Web Services API. The documentation for this ECommerce Service is pretty old, but it still works.
More detailed information about API you can find here

#!/usr/bin/ruby
 
require 'rubygems'
require 'net/http'
require 'cgi'
require 'xmlsimple'
 
$amazon_key = "12DR2PGAQT303YTEWP02" # NOT MY KEY (FOUND ON INTERNET)
$amazon_host = "webservices.amazon.com"
 
def fetch_cover(artist, album)
	artist = CGI.escape(artist)
	album = CGI.escape(album)
 
	path = "/onca/xml?Service=AWSECommerceService&AWSAccessKeyId=#{$amazon_key}&Operation=ItemSearch&SearchIndex=Music&Artist=#{artist}&ResponseGroup=Images&Keywords=#{album}"
	data = Net::HTTP.get($amazon_host, path)
	xml = XmlSimple.xml_in(data)
	if xml['Items'][0]['TotalResults'].to_s.to_i then
		cover = {
			:small => xml['Items'][0]['Item'][0]['SmallImage'][0]['URL'],
			:medium => xml['Items'][0]['Item'][0]['MediumImage'][0]['URL'],
			:big => xml['Items'][0]['Item'][0]['LargeImage'][0]['URL']
		}
		return cover
	end
	return nil
end

So, after execution of this function you will get array with 3 different images (small, medium, big).
I use XML-Simple gem for ruby. Can be installed this way

sudo gem install xml-simple

That`s it. Download script

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