本文整理汇总了Python中treelib.Tree.filter_nodes方法的典型用法代码示例。如果您正苦于以下问题：Python Tree.filter_nodes方法的具体用法？Python Tree.filter_nodes怎么用？Python Tree.filter_nodes使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类treelib.Tree的用法示例。
在下文中一共展示了Tree.filter_nodes方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_filter_nodes
# 需要导入模块: from treelib import Tree [as 别名]
# 或者: from treelib.Tree import filter_nodes [as 别名]
def test_filter_nodes(self):
"""
tests: Tree.filter_nodes
Added by: William Rusnack
"""
new_tree = Tree()
self.assertEqual(tuple(new_tree.filter_nodes(lambda n: True)), ())
nodes = list()
nodes.append(new_tree.create_node('root_node'))
nodes.append(new_tree.create_node('second', parent=new_tree.root))
self.assertEqual(tuple(new_tree.filter_nodes(lambda n: False)), ())
self.assertEqual(tuple(new_tree.filter_nodes(lambda n: n.is_root())), (nodes[0],))
self.assertEqual(tuple(new_tree.filter_nodes(lambda n: not n.is_root())), (nodes[1],))
self.assertTrue(set(new_tree.filter_nodes(lambda n: True)), set(nodes))