main.py 文件源码

def _escape_text(self, s):
        """Escape text

        In addition to escaping text, unicode characters are replaced with a
        span that will display the glyph using CSS.  This is to ensure that the
        text has a consistent width.
        """
        tpl = ('<span class="u"><span class="g">&#x{0:x};</span>'
               '<span class="ns">{1}</span></span>')
        out = ''
        for c in s:
            w = utils.str_width(c)
            if unicodedata.category(c) in ('Co', 'Cn', 'So'):
                out += tpl.format(ord(c), ' ')
            elif w > 1 or ord(c) > 255:
                out += tpl.format(ord(c), ' ' * w)
            else:
                out += escape(c)
        return out