diff options
Diffstat (limited to 'examples/adjacencytree/byroot_tree.py')
| -rw-r--r-- | examples/adjacencytree/byroot_tree.py | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/examples/adjacencytree/byroot_tree.py b/examples/adjacencytree/byroot_tree.py index 06b74d7b7..a98b19368 100644 --- a/examples/adjacencytree/byroot_tree.py +++ b/examples/adjacencytree/byroot_tree.py @@ -9,9 +9,10 @@ import string, sys add application-specific functionality to a Mapper object.""" class NodeList(util.OrderedDict): - """extends an Ordered Dictionary, which is just a dictionary that returns its keys and values - in order upon iteration. Adds functionality to automatically associate - the parent of a TreeNode with itself, upon append to the parent's list of child nodes.""" + """extends an Ordered Dictionary, which is just a dictionary that iterates its keys and values + in the order they were inserted. Adds an "append" method, which appends a node to the + dictionary as though it were a list, and also within append automatically associates + the parent of a TreeNode with itself.""" def __init__(self, parent): util.OrderedDict.__init__(self) self.parent = parent @@ -35,8 +36,8 @@ class TreeNode(object): def __init__(self, name): """for data integrity, a TreeNode requires its name to be passed as a parameter to its constructor, so there is no chance of a TreeNode that doesnt have a name.""" - self.children = NodeList(self) self.name = name + self.children = NodeList(self) self.root = self self.parent = None self.id = None |