composetools 0.1.0

Utility functions for common tasks when composing functions.

composetools

Utility functions for Pythonic function composition. BYO compose() implementation.

Install

pip install composetools

Examples

from funcy import compose, rcompose

from composetools import unique, flat, sort


# Get unique items from nested iterables.
compose(sort, flat, unique)([[1, 2, 3], [4, 3, 2]])  # [1, 2, 3, 4]


# Get lines of a file.
from pathlib import Path
get_lines = rcompose(
    Path,
    Path.expanduser,
    Path.resolve,
    Path.read_text,
    str.splitlines,
)
get_lines("~/.gitconfig")

Functions

• tap - Call a function but don't return the result, eg. tap(lambda x: print(x))(4) == 4
• each - Curried version of map.
• keep - Curried version of filter.
• drop - Curried version of itertools.filterfalse.
• sort - Curried version of sorted.
• flat - Flatten an arbitrarily nested iterable.
• unique - Yield unique items of an iterable.

Develop

$ git clone https://github.com/SeparateRecords/python-composetools
$ poetry install
$ poetry run tests

Licence

ISC