confreaks downloader

wgetconf.rb

#!/usr/bin/env ruby

require 'nokogiri'
require 'open-uri'

PROGRAMS = '//td/em/a[1]'
FORMATS = '//ul[@class="formatlist"]/li/a'
PRIORITY = {"small" => 0, "normal" => 1, "large" => 2} 

def doc(url)
  Nokogiri.HTML(open(url).read)
end
 
def best_of(formats)
  best = which = 0
  formats.each_with_index do |format, index|
    if format['href'] =~ /(\w+)\.mp4$/
      if PRIORITY[$1] > best
        best = PRIORITY[$1]
        which = index
      end
    end
  end
  formats[which]
end
 
def leech conf
  url = "http://#{conf}.confreaks.com/"
  doc(url).xpath(PROGRAMS).each do |program|
    formats = doc(url + program['href']).xpath(FORMATS)
    `wget -c #{url}#{best_of(formats)['href']}`
  end
end

ARGV.each {|conf| leech conf}