linq4py 1.0.3

Linq for python

Linq for Python

像C#或JavaScript一样链式写python

1 代码说明

代码Fork https://pypi.org/project/py-linq/

2 新增功能

• 新增：filter,map,find等类似于JavaScriptfilter,map,find
• 使用函数式入口来初始化列表linq4py.array()

3 举例

import linq4py as lp

origin_items = [
    {'id': '1', 'parent_id': '', 'name': 'indicator 1', 'weight': 1, 'has_child': True},
    {'id': '2', 'parent_id': '1', 'name': 'indicator 2', 'weight': 0.6, 'has_child': True},
    {'id': '3', 'parent_id': '1', 'name': 'indicator 3', 'weight': 0.4, 'has_child': True},
    {'id': '4', 'parent_id': '2', 'name': 'indicator 4', 'weight': 0.5, 'has_child': False},
    {'id': '5', 'parent_id': '2', 'name': 'indicator 5', 'weight': 0.8, 'has_child': False},
    {'id': '6', 'parent_id': '3', 'name': 'indicator 6', 'weight': 0.8, 'has_child': False},
    {'id': '7', 'parent_id': '3', 'name': 'indicator 7', 'weight': 0.8, 'has_child': False},
]


# count demo
count = lp.array(origin_items).count(lambda item: item['has_child'])
print(count)

# filter,order_by_descending map demo
items = lp.array(origin_items).filter(lambda item: item["has_child"]).order_by_descending(
    lambda item: item['weight']).map(lambda item: (item['id'], item['name']))
print(items)

# find demo
result = lp.array(origin_items).find(lambda item: item['weight'] > 0.3)
print(result)

4 修改日志

• 2023-04-08 重新打包
• 2023-04-08 Fork项目并新增相关功能