DMM API with Ruby nokogori

dmm_api.rb

#!/usr/bin/env ruby
# -*- coding:utf-8 -*-

require 'nokogiri'
require 'open-uri'
require 'pit'

config = Pit.get("dmm.co.jp", :require => {
    "api_id"       => "you email in twitter",
    "affiliate_id" => "your password in twitter"
});

url = %Q(http://affiliate-api.dmm.com/?api_id=#{config['api_id']}&affiliate_id=#{config['affiliate_id']}&operation=ItemList&version=1.00&timestamp=2012-01-13%2014%3A08%3A16&site=DMM.co.jp&service=digital&keyword=maika)

xml = Nokogiri::XML(open(url).read)
item_nodes = xml.xpath('//item')

item_nodes.each do |item|
  puts "Title：" + item.xpath('title').text
  puts "Image：" + item.xpath('imageURL/large').text
end