eddiethedean / chaingang

ChainGang: python class decorator that adds selection chaining

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What is it?

ChainGang is a Python package that provides a class decorator function that adds selection chaining to classes with nested items.

Where to get it

The source code is currently hosted on GitHub at: https://github.com/eddiethedean/chaingang

# PyPI
pip install chaingang

Dependencies

Example

from chaingang import selection_chaining

# decorate a class with nested items
@selection_chaining
class ChainList(list):
    ...

cl = ChainList([[1, 2, 3], [4, 5, 6]])

# select inner item with comma separated indexes
cl[1, 2] -> 6
# same as bracket chaining
cl[1][2] -> 6

# set inner item value
cl[1, 2] = 100
cl -> [[1, 2, 3], [4, 5, 100]]

# delete inner item
del cl[1, 1]
cl -> [[1, 2, 3], [4, 100]]