parsers.py 文件源码

def block_code(text, lang, inlinestyles=False, linenos=False):
    if not lang:
        text = text.strip()
        return u'<pre><code>%s</code></pre>\n' % mistune.escape(text)

    try:
        lexer = get_lexer_by_name(lang, stripall=True)
        formatter = html.HtmlFormatter(
            noclasses=inlinestyles, linenos=linenos
        )
        code = highlight(text, lexer, formatter)
        if linenos:
            return '<div class="highlight-wrapper">%s</div>\n' % code
        return code
    except BaseException:
        return '<pre class="%s"><code>%s</code></pre>\n' % (
            lang, mistune.escape(text)
        )