lookup airport by code via wikipedia

wiki_airport_lookup.rb

require 'rubygems'
require 'nokogiri'
require 'open-uri'

def find_airport_info(lookup_iata_code)
  page = Nokogiri::HTML(open("https://en.wikipedia.org/wiki/List_of_airports_by_IATA_code:_#{lookup_iata_code[0]}"))
  page.yield_self { |page| page.search('.wikitable tr:contains("%s")' % lookup_iata_code)[0] }.yield_self do |row| 
    airport_name_row = row.children[5]
    airport_info = {
        name: airport_name_row&.text,
        wiki_page_url: (airport_name_row ? 'https://en.wikipedia.org%s' % airport_name_row.children[0]['href'] : nil),
        iata_code: row.children[1]&.text,
        location: row.children[7].text
      }
    airport_info
  end
end
p find_airport_info 'CDG'
# {:name=>"Charles de Gaulle Airport (Roissy Airport)", :wiki_page_url=>"https://en.wikipedia.org//wiki/Charles_de_Gaulle_Airport", :iata_code=>"CDG", :location=>"Paris, Île-de-France, France"}