from pybb.markup import postmarkup

markup = postmarkup.create(exclude=['code'], use_pygments=True)

class CodeTagNoBreak(postmarkup.CodeTag):
    def render_open(self, parser, node_index):

        contents = self._escape(self.get_contents(parser))
        self.skip_contents(parser)
        return '<div class="code"><pre>%s</pre></div>' % contents

    def _escape(self, s): 
        return postmarkup.PostMarkup.standard_replace_no_break(s.rstrip('\n'))
                        
markup.tag_factory.add_tag(CodeTagNoBreak, 'code')