code: def create_blueprint(state, import_name):
      
  
      bp = Blueprint(state.blueprint_name, import_name,
                     url_prefix=state.url_prefix,
                     subdomain=state.subdomain,
                     template_folder='templates')
  
      bp.route(state.logout_url, endpoint='logout')(logout)
  
      if state.passwordless:
          bp.route(state.login_url,
                   methods=['GET', 'POST'],
                   endpoint='login')(send_login)
          bp.route(state.login_url + slash_url_suffix(state.login_url,
                                                      '<token>'),
                   endpoint='token_login')(token_login)
      else:
          bp.route(state.login_url,
                   methods=['GET', 'POST'],
                   endpoint='login')(login)
  
      if state.registerable:
          bp.route(state.register_url,
                   methods=['GET', 'POST'],
                   endpoint='register')(register)
  
      if state.recoverable:
          bp.route(state.reset_url,
                   methods=['GET', 'POST'],
                   endpoint='forgot_password')(forgot_password)
          bp.route(state.reset_url + slash_url_suffix(state.reset_url,
                                                      '<token>'),
                   methods=['GET', 'POST'],
                   endpoint='reset_password')(reset_password)
  
      if state.changeable:
          bp.route(state.change_url,
                   methods=['GET', 'POST'],
                   endpoint='change_password')(change_password)
  
      if state.confirmable:
          bp.route(state.confirm_url,
                   methods=['GET', 'POST'],
                   endpoint='send_confirmation')(send_confirmation)
          bp.route(state.confirm_url + slash_url_suffix(state.confirm_url,
                                                        '<token>'),
                   methods=['GET', 'POST'],
                   endpoint='confirm_email')(confirm_email)
  
      return bp
docs: Creates the security extension blueprint