def __view_filename_default(self):
        module = self.__module__.split('.')
        class_filename = module[-1] + '.py'
        module_dir_name = module[1:-1]
        base_dir = os.path.dirname(os.path.dirname(os.path.abspath(__file__)))
        view_filename = os.path.join(*([base_dir] + module_dir_name \
                                        + UI_DIR_NAME + [class_filename]))
        return view_filename
default: manage.py builtin commands fail if settings file (from environment) doesn't exist
dataset/ETHPy150Open enthought/mayavi/mayavi/core/base.py/Base.__view_filename_default--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.2/tests/regressiontests/admin_scripts/tests.py/ManageDefaultSettings.test_builtin_with_bad_environment