other.py 文件源码

def run(self):
        ncolumns = self.options.get('columns', 2)
        node = nodes.paragraph()
        node.document = self.state.document
        self.state.nested_parse(self.content, self.content_offset, node)
        if len(node.children) != 1 or not isinstance(node.children[0],
                                                     nodes.bullet_list):
            return [self.state.document.reporter.warning(
                '.. hlist content is not a list', line=self.lineno)]
        fulllist = node.children[0]
        # create a hlist node where the items are distributed
        npercol, nmore = divmod(len(fulllist), ncolumns)
        index = 0
        newnode = addnodes.hlist()
        for column in range(ncolumns):
            endindex = index + (column < nmore and (npercol+1) or npercol)
            col = addnodes.hlistcol()
            col += nodes.bullet_list()
            col[0] += fulllist.children[index:endindex]
            index = endindex
            newnode += col
        return [newnode]