Compatibility Python Packages

monotonic

An implementation of time.monotonic() for Python 2 & Python 3

backports-weakref

Backports of new features in Python's weakref module

pydeprecate

Smoothly deprecate and redirect Python functions/classes with smart warnings and auto-routing—keep your codebase clean while maintaining backward compatibility

django-nine

Version checking library for Django.

pydantic-compat

Compatibility layer for pydantic v1/v2

js-regex

[unmaintained] A thin compatibility layer to use Javascript regular expressions in Python

backports-os

Backport of new features in Python's os module

compatibility

Check Python version and OS compatibility at runtime: enforce a minimum version, warn about untested versions, validate the operating system, and nudge users to update. Zero dependencies, fully typed.

firepact

A type contract between a Pydantic backend and a TypeScript frontend for realtime Firestore (onSnapshot) documents — generates the wire types and gates backward/forward compatibility in CI (FULL_TRANSITIVE).

vedika-sdk

Official Python SDK for Vedika Astrology API - AI-powered birth charts, compatibility, horoscopes & more

compat-patcher-core

A machinery which allows easy and long-term compatibility for your fast-moving API!

pandas-compat

API compatibility for pandas downstream

mergelens

Pre-merge diagnostics for LLM model merging

flask-sqlalchemy-compat

Support the compatibility between flask_sqlalchemy and flask_sqlalchemy_lite.

vapor-steam

TUI program to check the ProtonDB compatibility of all the games of a Steam user.

monty-compat

AST-based Python compatibility checker for the Monty interpreter.

agent-compat

Open framework for simulating compatibility between agents — twin pairing, stress scenarios, no single match score

pycompatlayer

Compatibility layer for Python

ftready

Check if your Python project dependencies are ready for free-threaded Python (3.13t/3.14t)

federatedcore

A research-oriented federal learning framework.

syncra

🐍 async & sync harmony