一个循环解决行转树的问题,快速,轻量,无依赖。
Project description
tiny-tree
快速,轻量,无依赖的树结构数据处理函数库。
- 一个循环解决行转树的问题
- 除添加 children 属性外,不会修改任何数据
- 支持任意关系字段,如:非 id,parentId, children 字段支持
- 支持接管插入行为,如:自定义插入顺序
- 支持动态导出树节点
快速开始
文档
注意: 因为引入了 typing 模块,需要 python>=3.6。
安装
# 不支持 python2
$ pip3 install tiny-tree
使用
from tiny_tree.to_tree import to_tree
to_tree([
{ id: 10000, parentId: None, title: "标题 1" },
{ id: 20000, parentId: None, title: "标题 2" },
{ id: 11000, parentId: 10000, title: "标题 1-1" },
])
# [
# {
# id: 10000,
# parentId: None,
# title: '标题 1',
# children: [
# { id: 11000, parentId: 10000, title: '标题 1-1', children: [] }
# ]
# },
# { id: 20000, parentId: None, title: '标题 2', children: [] },
# ]
支持任意关系字段的数据
from tiny_tree.to_tree import to_tree, ROOT_ID
from tiny_tree.helpers import sort_insert, add_property
data = [
{ "uid": 10000, "pid": None, "title": "标题 1", "sort": 1 },
{ "uid": 20000, "pid": None, "title": "标题 2", "sort": 2 },
{ "uid": 11000, "pid": 10000, "title": "标题 1-1", "sort": 3 },
]
tree = to_tree(
data,
# 如果 parentId 为 None
# 使用 ROOT_ID 作为 key 保存
# 支持函数,动态返回
root=ROOT_ID,
# 默认: id
id_key="uid",
# 默认:parentId
parent_key="pid",
# 挂载子级的属性名称,默认:children
child_key="items",
# 数据预处理,接收一个自定义函数
# 可以在这里操作行数据,返回 None 将被跳过
transform=add_property('checked', False),
# 接管插入行为
# 接收一个自定义函数
insert=sort_insert('sort')
)
print(tree)
# output:
# [
# {
# uid: 10000,
# pid: None,
# title: '标题 1',
# sort: 1,
# checked: false,
# items: [
# { uid: 11000, pid: 10000, title: '标题 1-1', sort: 3, checked: false, items: [] }
# ]
# },
# { uid: 20000, pid: None, title: '标题 2', sort: 2, checked: false, items: [] }
# ]
本地开发
安装打包工具
# 安装 build 模块
$ python3 -m pip install build
# 安装 twine 包
$ python3 -m pip install twine
启动开发模式
# 启动开发模式
# See https://packaging.python.org/guides/distributing-packages-using-setuptools/#id68
$ python3 -m pip install -e . --no-deps
# 代码打包
$ python3 -m build --wheel
# 检查发布内容
$ twine check dist/*
# 发布正式包,需要 pypi 账号
$ twine upload dist/*
# 发布测试包,需要 pypi 账号
$ twine upload --repository testpypi dist/*
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License
- MIT
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