linters.py 文件源码

def _validate_jinja2(template, string, path):
    try:
        env = jinja2.Environment()
        env.parse(string)
    except jinja2.TemplateError:
        lineno = _find_line(template, string)
        return ("E104: Failed to parse jinja2 expression '{}' on line {} in {}"
                .format(template, lineno, path))