__init__.py 文件源码

def visit_reference(self, node):
        atts = {'class': 'reference'}
        if 'refuri' in node:
            atts['href'] = node['refuri']
            if ( self.settings.cloak_email_addresses
                 and atts['href'].startswith('mailto:')):
                atts['href'] = self.cloak_mailto(atts['href'])
                self.in_mailto = True
            atts['class'] += ' external'
        else:
            assert 'refid' in node, \
                   'References must have "refuri" or "refid" attribute.'
            atts['href'] = '#' + node['refid']
            atts['class'] += ' internal'
        if not isinstance(node.parent, nodes.TextElement):
            assert len(node) == 1 and isinstance(node[0], nodes.image)
            atts['class'] += ' image-reference'
        self.body.append(self.starttag(node, 'a', '', **atts))