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WWDC_2015_downloader.rb
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require 'rubygems' | |
require 'mechanize' | |
if !((ARGV[0] == 'SD' || ARGV[0] == 'HD' || ARGV[0] == 'ALL') && ARGV.size == 1) | |
puts %q{Usage: ruby WWDC_2015_downloader.rb SD | HD | ALL} | |
puts %q{Example: ruby WWDC_2015_downloader.rb SD - to download all SD videos} | |
puts %q{Example: ruby WWDC_2015_downloader.rb HD - to download all HD videos} | |
puts %q{Example: ruby WWDC_2015_downloader.rb ALL - to download videos in all resolutions} | |
exit | |
end | |
needs_download_SD_videos = ARGV[0] == 'SD' || ARGV[0] == 'ALL' | |
needs_download_HD_videos = ARGV[0] == 'HD' || ARGV[0] == 'ALL' | |
agent = Mechanize.new | |
agent.user_agent_alias = 'Mac Safari' | |
agent.get('https://developer.apple.com/videos/wwdc/2015/') do |page| | |
all_download_page_links = page.links_with(href: /\?id=\d{3}/).uniq! { |link| link.href } | |
agent.redirect_ok = false | |
all_download_page_links.each { |link| | |
download_page = agent.click(link) | |
video_link_SD = download_page.link_with(:text => /SD/) | |
video_link_HD = download_page.link_with(:text => /HD/) | |
file_regexp = /\d{3}_\w*\.mp4/ | |
video_file_path_SD = file_regexp.match(video_link_SD.href).to_s | |
aria2_file_path_SD = video_file_path_SD + ".aria2" | |
video_file_path_HD = file_regexp.match(video_link_HD.href).to_s | |
aria2_file_path_HD = video_file_path_HD + ".aria2" | |
did_SD_video_download = File.exist?(video_file_path_SD) && !File.exist?(aria2_file_path_SD) | |
did_HD_video_download = File.exist?(video_file_path_HD) && !File.exist?(aria2_file_path_HD) | |
should_download_SD_video = !did_SD_video_download && needs_download_SD_videos | |
should_download_HD_video = !did_HD_video_download && needs_download_HD_videos | |
if should_download_SD_video | |
system %Q{aria2c -c -s10 -x10 #{video_link_SD.href}} | |
end | |
if should_download_HD_video | |
system %Q{aria2c -c -s10 -x10 #{video_link_HD.href}} | |
end | |
} | |
end |
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