icontract vs fn.py

icontract

Design-by-contract in Python3 with informative violation messages and inheritance (by Parquery)

Functional programming

Source Code

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fn.py

Functional programming in Python: implementation of missing features to enjoy FP (by kachayev)

Functional programming

Source Code

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icontract		fn.py
	Project
-	Mentions	2
330	Stars	3,320
1.2%	Growth	-
7.1	Activity	0.0
4 months ago	Latest Commit	over 1 year ago
Python	Language	Python
MIT License	License	Apache License 2.0

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

icontract

Posts with mentions or reviews of icontract. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning icontract yet.
Tracking mentions began in Dec 2020.

fn.py

Posts with mentions or reviews of fn.py. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-12-20.

Functional programming beyond itertools
2 projects | /r/learnpython | 20 Dec 2021

also check fn.py lib.
Should python add a pipeline operator?
8 projects | /r/Python | 14 Dec 2021

You can already do it with the fn library:

What are some alternatives?

When comparing icontract and fn.py you can also consider the following projects:

Deal - 🤝 Design by contract for Python. Write bug-free code. Add a few decorators, get static analysis and tests for free.

Toolz - A functional standard library for Python.

funcy - A fancy and practical functional tools

Pyrsistent - Persistent/Immutable/Functional data structures for Python

returns - Make your functions return something meaningful, typed, and safe!

Coconut - Simple, elegant, Pythonic functional programming.

contracts - PyContracts is a Python package that allows to declare constraints on function parameters and return values. Contracts can be specified using Python3 annotations, or inside a docstring. PyContracts supports a basic type system, variables binding, arithmetic constraints, and has several specialized contracts and an extension API.

CyToolz - Cython implementation of Toolz: High performance functional utilities

effect - effect isolation in Python, to facilitate more purely functional code