Immutable

SA instrumentation machinery for immutable data models

Code generators for immutable structured data, including algebraic data types, and functions to destructure them.

Immutable Map, compatible with JAX & Equinox

BigQuery test kit

A persistent collections library for Python

A purely functional agent framework with immutable state and composable tools - Python implementation

Several useful custom dictionaries for Python 📖 🐍

The version and alias best practice for immutable artifacts and deployment.

A library of utilites for immutable scientific data.

StaticFrame packaged for use in Pyodide, PyScript, and WebAssembly/Emscripten environments

Add more constant "None" objects to Python to avoid boilerplate code

An asynchronous framework for building LLM-based multi-agent systems in Python, with a focus on trees of immutable messages and token streaming.

BigQuery test kit

Immutable Collections

Package frozenmap provide frozendict (C based) and frozenmap (Cython based)

GeoJSON library for Python with types

Flexible immutable entity database

Typesafe/Immutable schema for dict object

A Python library for interacting with the Immutable X API

Weak entry, strong value immutable registry data structure.

Better duck-typing with mypy-compatible extensions to Protocol

Immutable builder, carbon copy of lann/builder package in GoLang.

Simple immutable vectors.

Making Immutable and stateless data structures

Package frozentype provide some frozen python types (frozendict (C based) and frozenmap (Cython based))

fun & functional structures

Drop-in replacement for Python's built-in `dataclasses` module, allowing for certain fields to be mutable while others remain immutable.

A light wrapper over TensorFlow that enables you to easily create complex deep neural networks using the Builder Pattern through a functional fluent immutable API

Additional methods for Python's immutable data types.

Functional programming goodies

django-fsm data immutability support

A namedtuple-style library for defining immutable sum types in Python.

JSON decoding to mutable or immutable objects allowing attribute access

A light wrapper over TensorFlow that enables you to easily create complex deep neural networks using the Builder Pattern through a functional fluent immutable API

Package of container like data structures.

Immutable and concealed attributes for classes, modules, and namespaces.

File immutability manager

Replace iterator with stream and enjoy immutable.

A Nix-style immutable data management library in Python

Flake8 plugin enforcing Elegant Objects principles: no -er naming, no null, no getters/setters, immutable objects

An efficient, immutable, type-safe copy-on-write (COW) list implementation for Python 2+.

Lightweight Python Read-Only Property Decorator

Immutable Data Records with Type Coercion

Python decorators for str/repr, equality, immutability, and more.

mutable and immutable file lock for asyncio

A decorator that makes objects immutable after their hash is calculated

Typesafe immutable datastructure for python. With plenty of methods for fluent functional programming.

A Lazy, Graph-Oriented, Immutable Symbol System Concept for Domain-Specific Abstraction

CONstrained CONtainers: immutable & append-only containers.

Implementation of the Encoding for Robust Immutable Storage (ERIS) encoding