Digitally Imported radio playlist getter

digitally_imported_radio_playlist_getter.rb

#!ruby -Ku

# Digitally Imported radio playlist getter

require 'rubygems'
#require 'faster_require'
require 'mechanize'
require 'json'
require 'open-uri'
require 'pp'

agent = Mechanize.new
json = JSON.parse(open("http://listen.di.fm/").read)

$stdout.sync = true

# default filename is like a "../[DI]Trance(96k).pls"
def make_file_name(name)
  pre_name = ENV["PLS_GETTER_PRE_NAME"] || "[DI]"
  post_name = ENV["PLS_GETTER_POST_NAME"] || "(96k)"
  ext_name = ENV["PLS_GETTER_EXT_NAME"] || ".pls"
  out_dir = ENV["PLS_GETTER_OUT_DIR"] || ".."
  return File.join(out_dir, "#{pre_name}#{name}#{post_name}#{ext_name}")
end

#json = json[0..3] # test

json.each_with_index do |item, index|
  uri = "http://listen.di.fm/public3/#{item["key"]}.pls"
  puts "downloading %.2d/%.2d(%2d%%)" % [index + 1, json.count,((index+1).to_f/json.count * 100)]
  puts "  fetching from #{uri}"  
  page = agent.get(uri)
  
  file_name = make_file_name(item["name"].scan(/\w+/).first)
  puts "  saving to #{file_name}"
  page.save_as file_name
  sleep 0.5
end

puts "DONE!!"