Contents

require 'hpricot'
require 'open-uri'
require 'erubis'

class IsoCountryCodes
  module Task
    module UpdateCodes
      def self.get
        doc   = Hpricot(open('http://en.wikipedia.org/wiki/ISO_3166-1').read)
        codes = {}
        td_map = {
          :name    => 0,
          :numeric => 1,
          :alpha3  => 2,
          :alpha2  => 3
        }
        code_labels = td_map.keys
        doc.search('.wikitable.sortable:first tr').each do |row|
          value_hash = {}
          code_labels.each do |key|
            selector = "td:nth-of-type(#{td_map[key]})"
            selector << ' a' if key == :name
            value = row.search(selector).inner_text.strip
            next if value == ''
            value_hash[key] = value
            if value_hash.length == code_labels.length
              value_hash.keys.each do |value_hash_key|
                codes[value_hash[value_hash_key]] = value_hash if value_hash_key == :alpha3
              end
            end
          end
        end

        to_ruby(codes) if codes
      end

      def self.to_ruby(codes)
        tmpl  = File.read(File.join(File.dirname(__FILE__), 'iso_3166_1.rb.erb'))
        eruby = Erubis::Eruby.new(tmpl)
        eruby.result(:codes => codes)
      end
    end # UpdateCodes
  end # Task
end # IsoCountryCodes

Version data entries

4 entries across 4 versions & 1 rubygems

Version	Path
alexrabarts-iso_country_codes-0.1.1	rakelib/iso_3166_1.rb
alexrabarts-iso_country_codes-0.1.2	rakelib/iso_3166_1.rb
alexrabarts-iso_country_codes-0.2.0	rakelib/iso_3166_1.rb
alexrabarts-iso_country_codes-0.2.1	rakelib/iso_3166_1.rb