[英]Convert Nested Dictionary into Table/Parent Child Structure, Python 3.6
[英]Python - how to convert parent child into a nested dictionary
我有一个父子字典,看起来像这样,其中键是child,0是根节点。
node[0]=[{"parms":{"meta1":"foo"},"name":"RootNoe"}]
node[1]=[{"parent":0,"data":{"parms":{"meta2":"bar"},"name":"country"} }]
node[2]=[{"parent":1,"data":{"parms":{"meta3":"baz"},"name":"day"} }]
我需要创建一个看起来像这样的嵌套json对象:
test = {
"params": {"parms":{"meta1":"foo"},
"name": "RootNode",
"children": [
{
"parms":{"meta2":"bar"},
"name":"country",
"children": [
{"parms":{"meta3":"baz"},
"name":"day","children": []}
]
}]
}
我该如何在python中做到这一点?
您可以根据循环中的定义构造树。
for element in node:
if 'parent' in element:
if 'children' not in node[element['parent']]:
node[element['parent']]['children'] = []
node[element['parent']]['children'].append(element)
del element['parent']
test = node[0]
children
需要在场才能工作,但我希望您能理解。 另请注意,这会修改node
序列。
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