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Python Softy

Project description

Softy

license

Soft access of nested data for more readable code

  • Lightweight
  • Pure Python
  • One source file
  • < 150 lines of code
  • No dependencies

An item:

basket = {
    "Fruits": [
        {
            "Type": "Apple",
            "Color": "Green"
        },
        {
            "Type": "Apple",
            "Color": "Red"
        }
    ],
    "Blanket": {
        "Material": "Cotton",
        "Color": "Red"
    }
}

Before:

# get the blanket color
blanket = basket.get('Blanket')
blanket_color = None
if blanket:
    blanket_color = blanket.get('Color')
if blanket_color is not None:
    print(f'Blanket is {blanket_color}')
else:
    print('Unspecified blanket color')

# get the color of the third fruit
fruits = basket.get('Fruits')
fruit_color = None
if fruits is not None:
    if len(fruits) > 2:
        fruit_color = fruits[2].get('Color')
if fruit_color is not None:
    print(f'3rd fruit color is {fruit_color}')
else:
    print('Unspecified 3rd fruit color')

After:

import softy
basket = softy.soften(basket)

# get the blanket color
if basket.Blanket.Color is not softy.null:
    print(f'Blanket is {basket.Blanket.Color}')
else:
    print('Unspecified blanket color')

# get the color of the third fruit
if basket.Fruits.i(2).Color is not softy.null:
    print(f'3rd fruit color is {fruit_color}')
else:
    print('Unspecified 3rd fruit color')

# built-in indexing still works the same
try:
    wine = basket['Wine']
except KeyError:
    print('Forgot the wine')
else:
    assert False

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