environment.py 文件源码

def filter_messages(self, doctree):
        """Filter system messages from a doctree."""
        filterlevel = self.config.keep_warnings and 2 or 5
        for node in doctree.traverse(nodes.system_message):
            if node['level'] < filterlevel:
                self.app.debug('%s [filtered system message]', node.astext())
                node.parent.remove(node)