Transferring Amazon wish list entries the hard way between international stores.

amzn_wish_list_transfer.rb

#!/usr/bin/env ruby

require "rubygems"
require "mechanize"

SOURCE_LOGIN_URL = "https://www.amazon.com/ap/signin?_encoding=UTF8&openid.assoc_handle=usflex&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.mode=checkid_setup&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.ns.pape=http%3A%2F%2Fspecs.openid.net%2Fextensions%2Fpape%2F1.0&openid.pape.max_auth_age=0&openid.return_to=https%3A%2F%2Fwww.amazon.com%2Fgp%2Fcss%2Fhomepage.html%3Fie%3DUTF8%26*Version*%3D1%26*entries*%3D0%26ref_%3Dnav_signin"
TARGET_LOGIN_URL = "https://www.amazon.de/ap/signin?_encoding=UTF8&openid.assoc_handle=deflex&openid.claimed_id=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.identity=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0%2Fidentifier_select&openid.mode=checkid_setup&openid.ns=http%3A%2F%2Fspecs.openid.net%2Fauth%2F2.0&openid.ns.pape=http%3A%2F%2Fspecs.openid.net%2Fextensions%2Fpape%2F1.0&openid.pape.max_auth_age=0&openid.return_to=https%3A%2F%2Fwww.amazon.de%3Fie%3DUTF8%26ref_%3Dnav_ya_signin"
WISHLIST_URL     = "http://www.amazon.com/gp/registry/wishlist/ref=nav_wishlist_btn"
TARGET_ROOT      = "http://www.amazon.de"

Credentials      = Struct.new(:user, :password)
amzn             = Credentials.new(ENV["AMZN_USER"], ENV["AMZN_PASSWORD"])


# Set-up

agent = Mechanize.new { |a|
  a.user_agent_alias = "Mac Safari"
  a.follow_meta_refresh = true
}


# Login at source store

agent.get(SOURCE_LOGIN_URL) do |page|
  page.form_with(:name => "signIn") do |login|
    login.email    = amzn.user
    login.password = amzn.password
  end.submit
end


# Login at target store

agent.get(TARGET_LOGIN_URL) do |page|
  page.form_with(:name => "signIn") do |login|
    login.email    = amzn.user
    login.password = amzn.password
  end.submit
end


# Scrape wish list pages recursively

def scrape_page(agent, page, items)
  items += page.search(".g-item-sortable h5 .a-link-normal")
               .map {|link| [link['title'], TARGET_ROOT + link['href']] }

  next_page_link = page.at("#wishlistPagination .a-last:not(.a-disabled) a")

  if next_page_link
    puts "Scraping next page ..."
    next_page = agent.click(next_page_link)
    items = scrape_page(agent, next_page, items)
  else
    return items
  end
end

agent.get(WISHLIST_URL) do |page|
  puts "Scraping first page ..."
  items = scrape_page(agent, page, [])

  items.each_with_index do |(title, url), index|
    puts "Transferring '#{title}' ..."
    begin
      agent.get(url) do |item_page|
        item_page.form_with(:id => "addToCart") do |form|
          form.submit(form.button_with(:name => "submit.add-to-registry.wishlist"))
          puts "Done!"
        end
      end
    rescue
      puts "Item not found: #{title} (#{url})"
    end
  end
end