Selasa, 05 Agustus 2014

Script Ruby Untuk Download Form C1 KPU Pilpres 2014

Script ini digunakan untuk download form C1 Pemilu Presiden 2014 versi komplit dengan format zip. Untuk beberapa hasilnya dapat dilihat di Google Drive.

Script versi Gist: https://gist.github.com/kuntoaji/c2886b227f6cdf888cea
#!/usr/bin/env ruby
require 'open-uri'

user_agent = "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.16 Safari/537.36"
saved_url_list = "saved_list.txt"
accessed_urls = []

accessed_urls = File.readlines(saved_url_list) if File.exists?(saved_url_list)

# tps terbanyak 149
# source: http://kpukotacimahi.com/joomla-overview/40-berita-depan/135-kelurahan-melong-memiliki-tps-terbanyak-dikota-cimahi
# jumlah tps, bisa dimodifikasi
(1..149).each do |tps|

  # id kelurahan, bisa dimodifikasi
  (1..100_000).each do |kel_id|
    url = "http://pilpres2014.kpu.go.id/c1.php?cmd=download&tps=#{tps}&kel_id=#{kel_id}"

    # saved_url_list.txt add \n as new line
    unless accessed_urls.include?("#{url}\n")
      begin
        puts "Accessing #{url}"
        content = open(url, "User-Agent" => user_agent).read
      rescue
        puts "Retrying..."
        retry
      end

      file_name = "#{kel_id}_#{tps}.zip"
      unless File.exists?(file_name)
        if content.size > 7000
          File.open(file_name, 'w') {|f| f.write(content) }
          saved_file = File.open(saved_url_list, "a")
          saved_file.puts url
          saved_file.close
          puts "#{file_name} is successfully saved"

          sleep_in_seconds = Random.rand(10..15)
          puts "sleeping for #{sleep_in_seconds} seconds.."
          sleep sleep_in_seconds
        else
          puts "Empty"
        end
      else
        puts "#{file_name} is exist"
      end
    end
  end
end

puts "done"

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