ext.py 文件源码

def fe(s, *args, **kwargs):
    """Format a safe string with potentially unsafe arguments, then return a
    safe string."""

    s = six.text_type(s)

    args = [jinja2.escape(smart_text(v)) for v in args]

    for k in kwargs:
        kwargs[k] = jinja2.escape(smart_text(kwargs[k]))

    return jinja2.Markup(s.format(*args, **kwargs))