Validation Python Packages

pydantic

Data validation using Python type hints

1.1B 28K 3K

pydantic-core

Data validation using Python type hints

936.3M 28K 3K

jsonschema

An implementation of the JSON Schema specification for Python

556.3M 5K 624

jsonschema-specifications

Support files exposing JSON from the JSON Schema specifications to Python

497.3M 13 10

email-validator

A robust email syntax and deliverability validation library for Python.

217.1M 1K 138

marshmallow

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

126.7M 7K 698

fqdn

RFC-compliant FQDN validation and manipulation for Python.

47.4M 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.

47.1M 407 75

msgspec

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

42.6M 4K 156

openapi-schema-validator

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

27.9M 125 37

strictyaml

Type-safe YAML parser and validator.

25.6M 2K 67

wtforms

A flexible forms validation and rendering library for Python.

20.1M 2K 404

instructor

structured outputs for llms

16M 13K 1K

pandera

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

8.4M 4K 413

jsonschema-rs

A high-performance JSON Schema validator for Rust

5.3M 788 126

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.

3.7M 1K 166