How To: Get all links with a CSS class and open them to find out redirects for translations of Thunderbird Knowledge Base articles using Ruby and Nokogiri

Discovered: Mar 25, 2024. 17:40 CSS path using Firefox’s inspector: ul.locales:nth-child(2) > li:nth-child(4) > a:nth-child(1) is list of localizations for a SUMO KB article https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird/show_translations i.e. en-US./kb/<slug>/show_translations
NOT TESTED (I’ll write a follow up blog post once I have working code) –>The following is inspired by my code from 7 years ago (!) that tested SUMO KB redirects as part of our unsuccessful migration from Kitsune to Lithium.
- See April 5, 20217: How to Check 6000 URLS version 2.0

The better way (discovered after the kludgy way)

1. one liner using the unique CSS class name for locale links which in this case is translated_locale:

page = mechanize.get ARGV[0]
results  = page.css('.translated_locale').map{ |link| link['href']}

And then from: https://github.com/rtanglao/rt-li-sumo-redirects/blob/master/test-firefox-focus-android-redirects.rb open the link to see if there is a redirect.

Net::HTTP.start(from_uri.host, from_uri.port,
              :use_ssl => from_uri.scheme == 'https') do |http|
request = Net::HTTP::Get.new from_uri.request_uri
request.basic_auth userid, password
response = http.request request # Net::HTTPResponse object
response_uri = response['location']

Kludgy initial way

page  = mechanize.get 'https://support.mozilla.org/en-US/kb/troubleshoot-mode-thunderbird/show_translations'
page.css('.translated_locale').each do |l|
irb(main):201:1*   puts l.css('@href').first.value
irb(main):202:0> end

Previously

April 7, 2017:What is the best open source tool to test HTTP redirects on 6000 URLs?