Decorator Python Packages

makefun

Dynamically create python functions with a proper signature.

func-timeout

Python module which allows you to specify timeouts when calling any existing function, and support for stoppable threads

decopatch

python decorators made easy.

wrapt-timeout-decorator

Python Powerful Timeout Decorator that can be used safely on classes, methods, class methods

memoization

A powerful caching library for Python, with TTL support and multiple algorithm options.

pytest-cases

Separate test code from test cases in pytest.

singleton-decorator

A testable singleton decorator

reretry

An easy to use, but functional decorator for retrying on exceptions.

cachier

Persistent, stale-free, local and cross-machine caching for Python functions.

strongtyping

Decorator which checks whether the function is called with the correct type of parameters.

aspectlib

An aspect-oriented programming, monkey-patch and decorators library. It is useful when changing behavior in existing code is desired. It includes tools for debugging and testing: simple mock/record and a complete capture/replay framework.

pytest-steps

A tiny package to ease the creation of test steps with shared intermediate results/state.

custom-inherit

A Python package that provides tools for inheriting docstrings in customizable ways.

pyplugs

Decorator based plugin architecture for Python

module-wrapper

Module wrapper Python library

django-query-counter

Count Django SQL queries and surface duplicate (N+1) and slow ones in the console — works as a decorator (management commands, tasks, views) or as middleware

typed-classproperties

Typed Python decorators for classproperty and cached_classproperty

pyresilience

Unified resilience patterns for Python — retry, circuit breaker, timeout, fallback, bulkhead, rate limiter, and cache in one decorator. Python's Resilience4j.

cachew

Transparent and persistent cache/serialization powered by type hints

logwrap

logwrap is a helper for logging in human-readable format function arguments and call result on function call

redis-func-cache

A Python library that provides decorators for caching function results in Redis, supporting multiple serialization formats and caching strategies, as well as asynchronous operations.

cltoolbox

Python utility package that wraps argparse to easily create a command line interface from a function.

valid8

Yet another validation lib ;). Provides tools for general-purpose variable validation, function inputs/outputs validation as well as class fields validation. All entry points raise consistent ValidationError including all contextual details, with dynamic inheritance of ValueError/TypeError as appropriate.

cm-time

A simple context manager and decorator that measures time using perf_counter()