old_contents: """maintains all functionalities running on homepage."""
  from flask import Blueprint, g
  
  from decorators import template_renderer
  from mod_auth.models import Role
  from mod_home.models import CCExtractorVersion, GeneralData
  
  mod_home = Blueprint('home', __name__)
  
  
  @mod_home.before_app_request
  def before_app_request() -> None:
      """Curate menu entries before app request."""
      g.menu_entries['home'] = {
          'title': 'Home',
          'icon': 'home',
          'route': 'home.index'
      }
  
  
  @mod_home.route('/', methods=['GET', 'POST'])
  @template_renderer()
  def index():
      """Render index home page."""
      last_commit = GeneralData.query.filter(GeneralData.key == 'last_commit').first().value
      last_release = CCExtractorVersion.query.order_by(CCExtractorVersion.released.desc()).first()
      test_access = False
      if g.user is not None and g.user.role in [Role.tester, Role.contributor, Role.admin]:
          test_access = True
      return {
          'ccx_last_release': last_release,
          'ccx_latest_commit': last_commit,
          'test_access': test_access
      }
  
  
  @mod_home.route('/about')
  @template_renderer()
  def about():
      """Render about page."""
      return {}
  
  @mod_home.route('/download_ccx')
  def download_ccx():
      path_to_tester = '/repository/TestSuite/CCExtractorTester.exe')
      return send_file(path_to_tester, as_attachment=True, attachment_filename='ccextractortester.exe')
  
new_contents: """maintains all functionalities running on homepage."""
  from flask import Blueprint, g
  
  from decorators import template_renderer
  from mod_auth.models import Role
  from mod_home.models import CCExtractorVersion, GeneralData
  
  mod_home = Blueprint('home', __name__)
  
  
  @mod_home.before_app_request
  def before_app_request() -> None:
      """Curate menu entries before app request."""
      g.menu_entries['home'] = {
          'title': 'Home',
          'icon': 'home',
          'route': 'home.index'
      }
  
  
  @mod_home.route('/', methods=['GET', 'POST'])
  @template_renderer()
  def index():
      """Render index home page."""
      last_commit = GeneralData.query.filter(GeneralData.key == 'last_commit').first().value
      last_release = CCExtractorVersion.query.order_by(CCExtractorVersion.released.desc()).first()
      test_access = False
      if g.user is not None and g.user.role in [Role.tester, Role.contributor, Role.admin]:
          test_access = True
      return {
          'ccx_last_release': last_release,
          'ccx_latest_commit': last_commit,
          'test_access': test_access
      }
  
  
  @mod_home.route('/about')
  @template_renderer()
  def about():
      """Render about page."""
      return {}
  
  @mod_home.route('/download_ccx')
  def download_ccx():
      path_to_tester = '/repository/TestSuite/CCExtractorTester.exe'
      return send_file(path_to_tester, as_attachment=True, attachment_filename='ccextractortester.exe')
  
subject: Update controllers.py