datamodel-code-generator

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from various data formats.

Agent SkillDevOpen source

Type: Agent Skill
Open source: Yes
GitHub Stars: ★ 4.0k
Source: skill-github
Repository: github.com/datamodel-code-generator/datamodel-code-generator

Overview

datamodel-code-generator is a powerful tool that generates Python data models from multiple data formats including OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV. It supports generating Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct. The tool handles complex schema definitions such as `$ref`, `allOf`, `oneOf`, `anyOf`, enumerations, and nested types. With a simple command-line interface, users can quickly generate type-safe and validated code that works well with IDEs and type checkers. Ideal for developers who need to generate Python data models from various data sources.

Capabilities

▪Generate Pydantic v2 models from OpenAPI
▪Generate dataclasses from JSON Schema
▪Generate TypedDict from GraphQL
▪Generate msgspec.Struct from Avro
▪Handle complex schema definitions
▪Generate type-safe code

Use cases

Generate data models from API documentationGenerate Python classes from JSON SchemaGenerate type definitions from GraphQLGenerate structs from Protobuf