psiupuxa.rb

# Download desktop-resolution wallpapers from http://psiupuxa.com/
# into the current directory.
 
require 'nokogiri'
require 'open-uri'
require 'openssl'
require 'uri'
 
# Uncomment next line if you don't have the Ruby SSL cert bundle installed.
OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE
 
page = 'http://psiupuxa.com/'
images = []
 
puts 'Scraping pages for image links.'
 
while page
  puts "Scraping #{page}."
 
  doc = Nokogiri::HTML(open(page))
  doc.css('.post a[href*="desktop"]').each do |a|
    images << a['href']
  end
 
  link = doc.css('.pages-link-active + a.pages-link').first
  page = link ? URI.join(page, link['href']) : nil
end
 
puts "Found #{images.length} images."
puts 'Downloading images.'
 
count = 0
images.each do |url|
  count += 1
  local_file = url.split('/').last
 
  print "[#{count}/#{images.length}] "
  if File.exist? local_file
    puts "Skipping #{local_file}, file exists."
    next
  else
    puts "Downloading #{local_file}."
  end
 
  open(url, 'rb') do |image|
    open(local_file, 'wb') do |file|
      file.write(image.read)
    end
  end
end
 
puts 'Fin.'