html.py 文件源码

def render_partial(self, node):
        """Utility: Render a lone doctree node."""
        if node is None:
            return {'fragment': ''}
        doc = new_document(b'<partial node>')
        doc.append(node)

        if self._publisher is None:
            self._publisher = Publisher(
                source_class = DocTreeInput,
                destination_class=StringOutput)
            self._publisher.set_components('standalone',
                                           'restructuredtext', 'pseudoxml')

        pub = self._publisher

        pub.reader = DoctreeReader()
        pub.writer = HTMLWriter(self)
        pub.process_programmatic_settings(
            None, {'output_encoding': 'unicode'}, None)
        pub.set_source(doc, None)
        pub.set_destination(None, None)
        pub.publish()
        return pub.writer.parts