Suor/funcy

Health v2 · maintenance only

Flags: no_releases

Adoption not part of the score

3510 stars · 156 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Funcy is a Python library providing a practical collection of functional programming tools inspired by Clojure and Underscore. It offers utilities for merging and transforming collections, manipulating sequences, composing functions, creating decorators, and abstracting control flow.

Use cases

• merge and transform dicts, sets, lists, and iterators while preserving type
• group, partition, chunk, and flatten sequences
• curry, compose, and partially apply functions
• write custom decorators with minimal boilerplate
• add retry, rate limiting, and error suppression to unreliable calls
• filter and select items from collections by predicate or regex

When to choose

• you want Clojure/Underscore-style functional utilities in Python
• you frequently transform dicts and sequences and want type-preserving map-like operations
• you need lightweight decorators, retries, or error-rate limiting without a big framework

When to avoid

• your team prefers plain Python idioms and avoids functional style
• you need heavy-duty data processing better served by pandas or itertools pipelines
• you are not on Python 3.4+ or pypy3

Facets

library · maturity stable

developer-tools concurrency error-handling developer-tools programming-languages python cross-platform functional-programming utilities collections decorators lazy-iterators algorithms

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