python-linq 2.0.4

Brings LINQ to Python

LINQ

Provides simple to use LINQ features to Python 3.x.

Documentation

See this link: https://jakkes.github.io/python-linq/

Installing

From pip

pip install python-linq

From source

git clone https://github.com/jakkes/python-linq.git
cd python-linq
pip install -r requirements.txt

Usage

1. Import the Query class
2. Write beautiful queries!

>>> from linq import Query
>>> x = Query([1, 2, 3]).select(lambda x: x * x + 3).to_list()
>>> assert x == [4, 7, 12]

Distribute heavy queries across multiple processes using DistributedQuery.

>>> import time
>>> from linq import DistributedQuery
>>> 
>>> def heavy_transformation(x: int):
>>>     time.sleep(10)
>>>     return x**2
>>> 
>>> def less_than_5(x: int):
>>>     return x < 5
>>> 
>>> x = (
>>>     DistributedQuery(range(100), processes=8)
>>>     .where(less_than_5)
>>>     .select(heavy_transformation)
>>>     .to_list()
>>> )
>>> print(x)
[0, 1, 4, 9, 16]    # Not necessarily in this order.