templates.py 文件源码

def check_string_if_invalid_is_string(app_configs, **kwargs):
    errors = []
    for conf in settings.TEMPLATES:
        string_if_invalid = conf.get('OPTIONS', {}).get('string_if_invalid', '')
        if not isinstance(string_if_invalid, six.string_types):
            error = copy.copy(E002)
            error.msg = error.msg.format(string_if_invalid, type(string_if_invalid).__name__)
            errors.append(error)
    return errors