Serialization Python Packages

protobuf

Protocol Buffers - Google's data interchange format

itsdangerous

Safely pass trusted data to untrusted environments and back.

orjson

Fast, correct Python JSON library supporting dataclasses, datetimes, and numpy

marshmallow

A lightweight library for converting complex objects to and from simple Python datatypes.

flatbuffers

FlatBuffers: Memory Efficient Serialization Library

cattrs

Composable custom class converters for attrs, dataclasses and friends.

cbor2

Python CBOR (de)serializer with extensive tag support

msgspec

A fast serialization and validation library, with builtin support for JSON, MessagePack, YAML, and TOML

mashumaro

Fast and well tested serialization library

strictyaml

Type-safe YAML parser and validator.

srsly

🦉 Modern high-performance serialization utilities for Python (JSON, MessagePack, Pickle)

jsonpickle

Python library for serializing any arbitrary object graph into JSON. It can take almost any Python object and turn the object into JSON. Additionally, it can reconstitute the object back into Python.

pyaml

PyYAML-based module to produce a bit more pretty and readable YAML-serialized data

marshmallow-dataclass

Automatic generation of marshmallow schemas from dataclasses.

dataclass-wizard

Simple, elegant, wizarding tools for interacting with Python's dataclasses.

pydantic-xml

python xml for humans

jsons

🐍 A Python lib for (de)serializing Python objects to/from JSON

mcap

MCAP is a modular, performant, and serialization-agnostic container file format, useful for pub/sub and robotics applications.

pyserde

Yet another serialization library on top of dataclasses, inspired by serde-rs.

databento-dbn

Databento Binary Encoding (DBN) - Fast message encoding and storage format for market data

mcap-protobuf-support

MCAP is a modular, performant, and serialization-agnostic container file format, useful for pub/sub and robotics applications.

edn-format

EDN reader and writer implementation in Python, using PLY (lex, yacc)

rfc8785

A pure-Python implementation of RFC8785 (JSON Canonicalization Scheme)

yasoo

Yet Another Serializer Of Objects