old_contents: """Canonical definitions of country code constants.
  """
  from iso3166 import countries_by_name
  
  
  def code(name):
      return countries_by_name[name].alpha2
  
  
  class CountryCode(object):
      """A simple namespace of iso3166 alpha2 country codes.
      """
      CANADA = code('CANADA')
      GERMANY = code('GERMANY')
      UNITED_KINGDOM = code(
          'UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND'
      )
      UNITED_STATES = code('UNITED STATES OF AMERICA')
  
new_contents: """Canonical definitions of country code constants.
  """
  from iso3166 import countries_by_name
  
  
  def code(name):
      return countries_by_name[name].alpha2
  
  
  class CountryCode(object):
      """A simple namespace of iso3166 alpha2 country codes.
      """
      AUSTRALIA = code('AUSTRALIA')
      AUSTRIA = code('AUSTRIA')
      BELGIUM = code('BELGIUM')
      CANADA = code('CANADA')
      DENMARK = code('DENMARK')
      FINLAND = code('FINLAND')
      FRANCE = code('FRANCE')
      GERMANY = code('GERMANY')
      HONG_KONG = code('HONG KONG')
      IRELAND = code('IRELAND')
      ISRAEL = code('ISRAEL')
      ITALY = code('ITALY')
      JAPAN = code('JAPAN')
      NETHERLANDS = code('NETHERLANDS')
      NEW_ZEALAND = code('NEW ZEALAND')
      NORWAY = code('NORWAY')
      PORTUGAL = code('PORTUGAL')
      SINGAPORE = code('SINGAPORE')
      SWEDEN = code('SWEDEN')
      SWITZERLAND = code('SWITZERLAND')
      UNITED_KINGDOM = code(
          'UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND'
      )
      UNITED_STATES = code('UNITED STATES OF AMERICA')
  
subject: Add a bunch more country codes.