Metadata-Version: 2.1
Name: daproli
Version: 0.16
Summary: daproli is a small data processing library that attempts to make data transformation more declarative.
Home-page: https://github.com/ermshaua/daproli
Author: Arik Ermshaus
Author-email: arik@tutanota.de
License: BSD 3-Clause License
Description: # daproli [![PyPI version](https://badge.fury.io/py/daproli.svg)](https://pypi.org/project/daproli/) [![Downloads](https://pepy.tech/badge/daproli)](https://pepy.tech/project/daproli)
        A small data processing library that attempts to make data transformation more declarative.
        
        ## Installation
        
        You can install daproli with PyPi:
        `python -m pip install daproli`
        
        ## Examples
        
        Let's first import daproli.
        
        ```python3
        >>> import daproli as dp
        ```
        
        The library provides basic data transformation methods.
        
        ```python3
        >>> names = ['John', 'Susan', 'Mike']
        >>> numbers = [i for i in range(10)]
        >>>
        >>> even_numbers = [0, 2, 4, 6, 8]
        >>> odd_numbers = [1, 3, 5, 7, 9]
        >>>
        >>> dp.map(lambda n : n.lower(), names)
        ['john', 'susan', 'mike']
        >>>
        >>> dp.filter(lambda n : len(n) % 2 == 0, names)
        ['John', 'Mike']
        >>> 
        >>> dp.split(lambda x : x % 2 == 0, numbers)
        [[1, 3, 5, 7, 9], [0, 2, 4, 6, 8]]
        >>> 
        >>> dp.expand(lambda x : (x, x**2), numbers)
        [[0, 1, 2, 3, 4, 5, 6, 7, 8, 9], [0, 1, 4, 9, 16, 25, 36, 49, 64, 81]]
        >>> 
        >>> dp.combine(lambda x, y : (x,y), even_numbers, odd_numbers)
        [(0, 1), (2, 3), (4, 5), (6, 7), (8, 9)]
        >>> 
        >>> dp.join(lambda x, y : y-x == 3, even_numbers, odd_numbers)
        [(0, 3), (2, 5), (4, 7), (6, 9)]
        ```
        
        Additionally, it provides a data transformation pipeline framework.
        
        ```python3
        >>> dp.Pipeline(
                dp.Splitter(lambda x: x % 2 == 1),
                dp.Union(
                    dp.Mapper(lambda x: x * 2),
                    dp.Mapper(lambda x: x * 3),
                ),
                dp.Joiner(lambda x1, x2: (x1 + x2) % 5 == 0),
                dp.Filter(lambda x: sum(x) < 30),
                dp.Manipulator(sorted),
            ).transform(numbers)
        [(0, 15), (4, 21), (12, 3), (16, 9)]
        ```
        
        You can find more examples <a href="https://github.com/ermshaua/daproli/tree/master/daproli/examples">here</a>. 
        
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