Validation Python Packages

pydantic

Data validation using Python type hints

1.1B 28K 3K

pydantic-core

Data validation using Python type hints

929.9M 28K 3K

jsonschema

An implementation of the JSON Schema specification for Python

535.5M 5K 620

jsonschema-specifications

Support files exposing JSON from the JSON Schema specifications to Python

472.1M 13 11

email-validator

A robust email syntax and deliverability validation library for Python.

176.2M 1K 135

marshmallow

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

138.5M 7K 688

fqdn

RFC-compliant FQDN validation and manipulation for Python.

48.3M 37 12

openapi-spec-validator

OpenAPI Spec Validator is a CLI, pre-commit hook and python package that validates OpenAPI Specs against the OpenAPI 2.0 (aka Swagger), OpenAPI 3.0 and OpenAPI 3.1 specification.

46.1M 402 72

msgspec

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

41.3M 4K 145

strictyaml

Type-safe YAML parser and validator.

32.8M 2K 65

openapi-schema-validator

OpenAPI schema validator is a Python library that validates schema against OpenAPI Schema Specification v3.0 and v3.1

31.4M 125 37

wtforms

A flexible forms validation and rendering library for Python.

19.1M 2K 405

instructor

structured outputs for llms

14.3M 13K 1K

pandera

A light-weight, flexible, and expressive statistical data testing library

8.9M 4K 397

jsonschema-rs

A high-performance JSON Schema validator for Rust

4.8M 777 123

webargs

A friendly library for parsing HTTP request arguments, with built-in support for popular web frameworks, including Flask, Django, Bottle, Tornado, Pyramid, webapp2, Falcon, and aiohttp.

3.3M 1K 165