Python 3 Language Dropdown

language_dropdown.py

#--SETTINGS-IMPORTER------------------------

class SettingsImporter():
  LANGUAGES = [
    ('ar', 'Arabic'),
    ('de', 'German'),
    ('el', 'Greek'),
    ('en', 'English'),
    ('es', 'Spanish'),
    ('fr', 'French'),
    ('pt', 'Portuguese'),
    ('it', 'Italian'),
    ('tr', 'Turkish'),
    ('ja', 'Japanese'),
  ]

#--TEMPLATE-RENDERER------------------------

class Component():
  @classmethod
  def render(cls):
    print('Component')

class TemplateRenderer():
  def __init__(self, components: [Component]):
    self.components = components
    
  def render_page(self):
    for c in self.components:
      c.render()

#--COMPONENTS------------------------------

class PageTitle(Component):
  @classmethod
  def render(cls):
    print('--- Demo Page ---')

class Dropdown(Component):
  INPUT_NAME = 'Dropdown'

  @classmethod
  def as_list(cls):
    return []

  def render(self):
    print(f'{self.INPUT_NAME}:')
    for key, value in self.as_list():
      print(f'  {key} => {value}')

class LangDropdown(Dropdown):
  INPUT_NAME = 'Language'
  POPULAR_LANGUAGES = []

  def __init__(self, input_name, popular_languages):
    self.INPUT_NAME = input_name
    self.POPULAR_LANGUAGES = popular_languages
  
  def as_list(self):
    sorted_languages = []
    popular_languages = [ x for x in SettingsImporter.LANGUAGES if x[0] in self.POPULAR_LANGUAGES ]
    nonpopular_languages = [ x for x in SettingsImporter.LANGUAGES if x[0] not in self.POPULAR_LANGUAGES ]
    if popular_languages:
      sorted_languages.extend(sorted(popular_languages, key = lambda x: self.POPULAR_LANGUAGES.index(x[0])))
      sorted_languages.append(('--', '──────────'))
    sorted_languages.extend(sorted(nonpopular_languages, key = lambda x: x[1]))
    return sorted_languages

#--MAIN---------------------------------

main_language_dropdown = LangDropdown('Language', ['en', 'es', 'de', 'fr'])
secondary_language_dropdown = LangDropdown('Secondary Language', ['fr', 'de'])
components = [PageTitle, main_language_dropdown, secondary_language_dropdown]
TemplateRenderer(components).render_page()