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64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
# Copyright 2022 The Plenoptix Team. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""
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Functions for traversing server bridge tree nodes (storage)
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"""
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from __future__ import absolute_import, division, print_function
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from collections import defaultdict
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from typing import List
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class TreeNode(defaultdict):
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"""Tree Node object"""
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__slots__ = ["object", "transform", "properties", "animation"]
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def __init__(self, *args, **kwargs):
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super(TreeNode, self).__init__(*args, **kwargs)
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self.object = None
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self.properties = []
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self.transform = None
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self.animation = None
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SceneTree = lambda: TreeNode(SceneTree)
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def walk(tree: TreeNode) -> None:
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"""Walk the entire tree and return the values
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Args:
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tree: the root of the tree to start search
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"""
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yield tree
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for v in tree.values():
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for t in walk(v): # could use `yield from` if we didn't need python2
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yield t
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def find_node(tree: TreeNode, path: List[str]) -> TreeNode:
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"""Find the node associated with the path
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Args:
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tree: the root of the tree to start search
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path: the path we are searching for
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"""
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if len(path) == 0:
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return tree
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else:
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return find_node(tree[path[0]], path[1:])
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