| 101 | |
| 102 | class Node: |
| 103 | def __init__(self, orig_level=0, parent=None, text=None, copy=None): |
| 104 | self.orig_level = orig_level if copy is None else copy.orig_level |
| 105 | self.parent = parent if copy is None else copy.parent |
| 106 | self.text = text if copy is None else copy.text |
| 107 | # TBD: This dict copy takes up good chunk of time and memory and |
| 108 | # probably isn't always necessary, but replacing this with a simple |
| 109 | # copy on write wrapper used up more space. |
| 110 | self.props = {} if copy is None else copy.props.copy() |
| 111 | self.total = 0 if copy is None else copy.total |
| 112 | self.value = None if copy is None else copy.value |
| 113 | |
| 114 | self.nodes = [] |
| 115 | if copy is not None: |
| 116 | for node in copy.nodes: |
| 117 | self.nodes.append(Node(copy=node)) |
| 118 | |
| 119 | def is_root(self): |
| 120 | return self.orig_level == 0 |