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koxudaxi
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Koudai Aono koxudaxi

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Python developer tools · Creator and maintainer of datamodel-code-generator · PEP 750 co-author · Open to work.
580 followers · 10 following
  • Tokyo, Japan
  • 20:14 (UTC +09:00)
  • https://koxudaxi.dev/
  • @[email protected]
  • in/koxudaxi

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@ddanier
@lensvol
@ofek
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@redcathode
@samuelcolvin
@openai
@jinchuntan

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@tiangolo
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Achievements

Achievement: Galaxy Brainx2Achievement: Pair Extraordinairex3Achievement: Pull Sharkx4Achievement: YOLOAchievement: QuickdrawAchievement: Starstruckx3Achievement: Public SponsorAchievement: Arctic Code Vault Contributor

Achievements

Achievement: Galaxy Brainx2Achievement: Pair Extraordinairex3Achievement: Pull Sharkx4Achievement: YOLOAchievement: QuickdrawAchievement: Starstruckx3Achievement: Public SponsorAchievement: Arctic Code Vault Contributor

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@sgt7 @datamodel-code-generator
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koxudaxi/README.md

Koudai Aono — Python · Developer Tools · OSS

I'm exploring new opportunities (a full-time role, bringing datamodel-code-generator in-house with me, or collaboration), especially in developer tools and production-quality OSS. Contact: koxudaxi.dev · [email protected] · LinkedIn

🛠️ datamodel-code-generator PyPI downloads

  • I created it in 2019 and have been its lead maintainer since
  • Generates Pydantic v2 BaseModel, Pydantic v2 dataclass, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, and other schemas
  • Since 0.84, also generates FastAPI server and HTTP client packages
  • Also documented for AI coding agents: llms.txt and a coding-agent skill
  • Used by openai/codex (Codex SDK), modelcontextprotocol/python-sdk, apache/airflow, and more

🐍 PEP 750 Co-author

Co-author of PEP 750 – Template Strings (t-strings). t-strings shipped with Python 3.14.

🗓️ Talks (Selected)

  • 🇵🇱 EuroPython 2026 — Kraków · Jul 2026
  • 🇺🇸 PyCon US 2026 — Long Beach · May 2026
  • 🇯🇵 PyCon JP 2025 — Invited Talk — Hiroshima · Sep 2025
  • 🇺🇸 PyCon US 2025 — Pittsburgh · May 2025
  • 🇨🇿 EuroPython 2025 — Prague · Jul 2025
  • Past: "Enhancing Decorators with Type Annotations" (PyCon US 2024 · EuroPython 2024)

🧰 Other OSS

  • fastapi-code-generator — FastAPI server scaffold from an OpenAPI spec
  • pydantic-pycharm-plugin — featured on the JetBrains PyCharm Blog
  • poetry-pycharm-plugin — bundled with PyCharm since 2021.3
  • ruff-pycharm-plugin — first-class Ruff workflow in PyCharm
  • t-linter · tstring-html — t-strings tooling in Rust

🤝 Sponsoring

If your team relies on any of the projects above, sponsoring is the most direct way to support long-term maintenance, compatibility updates, releases, and documentation.

Sponsor

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  1. datamodel-code-generator/datamodel-code-generator datamodel-code-generator/datamodel-code-generator Public

    Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

    Python 4.1k 487

  2. fastapi-code-generator fastapi-code-generator Public

    This code generator creates FastAPI app from an openapi file.

    Python 1.4k 149

  3. pydantic-pycharm-plugin pydantic-pycharm-plugin Public

    PyCharm plugin for pydantic. This plugin provides autocompletion, inspection, type-checking, inserting unfilled argument, and more.

    Kotlin 534 26

  4. tstring-structured-data tstring-structured-data Public

    Parser-first JSON, TOML, and YAML backends for Python 3.14 PEP 750 template strings

    Rust 5

  5. t-linter t-linter Public

    Syntax highlighting, validation, and formatting for Python t-strings (PEP 750) — CLI, LSP server, and VSCode extension, written in Rust

    Rust 15 1

  6. tstring-html tstring-html Public

    XSS-safe HTML templating for Python 3.14 t-strings (PEP 750), written in Rust

    Rust 3

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