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New Python Validation Libraries 2025

GitHub Libraries Python Validation Libraries

marshmallow-code/webargs 1K

added 6 months ago

webargs is a Python library for parsing and validating HTTP request objects, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, Falcon, and aiohttp.

keleshev/schema 2K +3

added 6 months ago

Schema validation just got Pythonic

pyeve/cerberus 3K +4

added 6 months ago

Lightweight, extensible data validation library for Python

pydantic/pydantic 25K +116

added 6 months ago

Data validation using Python type hints

jcrist/msgspec 3K +25

added 6 months ago

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

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