twisted_serve_ssh.py 文件源码

def _attr_to_escape(self, a):
        if a in self._pal_escape:
            return self._pal_escape[a]
        elif isinstance(a, urwid.AttrSpec):
            return self._attrspec_to_escape(a)
        # undefined attributes use default/default
        # TODO: track and report these
        return self._attrspec_to_escape(
            urwid.AttrSpec('default','default'))