ty-extended

A fork of Astral's ty with support for semantic plugins. It keeps the ty command and language server.

Getting started

Run with uvx:

uvx --from ty-extended ty check

Or add it to your project:

uv add --dev ty-extended
uv run ty check

Plugins

flowchart LR
    subgraph host["ty-extended"]
        checker["ty semantic checker"] -->|claimed hook| router["Plugin router"]
        router -->|validated patch| checker
    end

    project["Python project"] --> checker
    config["ty.toml + plugin manifest"] --> router
    router -->|JSON request| wasm["WASM plugin<br/>inside Wasmtime"]
    wasm -->|declarative patch| router
    router -->|JSON request| monty["Python plugin inside Monty<br/>embedded by default, optional worker"]
    monty -->|declarative patch| router
    checker --> output["Types + diagnostics"]

Rust plugins compile to WebAssembly and run in Wasmtime, using ty_plugin_sdk.
Python plugins run in Monty, using the bundled ty.plugin_sdk. No compilation is needed.

Monty runs in-process by default, with no external runtime dependency. Separate worker processes are opt-in through the monty-workers extra and project configuration.

Enable installed plugins in ty.toml:

[plugins]
auto-discover = true

Existing plugins

django-ty: Django ORM type support (PyPI).

Documentation

Installation and editor setup
Plugin authoring and runtime configuration
FAQ and changelog
Upstream ty documentation for checker and typing features

Report fork or plugin issues in the issue tracker.

Contributing

Rust implementation changes belong in ruff-extended, which is pinned by the ruff submodule. See CONTRIBUTING.md.

Version policy

Versions track the upstream ty base: ty-extended 0.85.0 builds on ty 0.0.85, with fork-only releases incrementing the patch. SDK and protocol crates are versioned independently; breaking changes may occur between their pre-1.0 releases.

License

MIT (LICENSE).

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in ty by you, as defined in the MIT license, shall be licensed as above, without any additional terms or conditions.

Metadata

Release files for ty-extended 0.85.0

For a detailed explanation of source distributions (sdists) and built distributions (wheels), please see the package formats documentation.

Source distribution (sdist)

Source distribution for ty-extended 0.85.0
File	Size	Uploaded	Provenance
ty_extended-0.85.0.tar.gz	7.7 MB	Oct 10, 2026	Without provenance	Details

Built distributions (wheels)

Table of built distributions (wheels) for ty-extended 0.85.0
File	Interpreter	ABI	Platform	Reset
ty_extended-0.85.0-py3-none-win_arm64.whl 22.2 MB Oct 10, 2026 Without provenance	Python 3	none	Windows ARM64	Details
ty_extended-0.85.0-py3-none-win_amd64.whl 24.1 MB Oct 10, 2026 Without provenance	Python 3	none	Windows x86-64	Details
ty_extended-0.85.0-py3-none-musllinux_1_2_x86_64.whl 23.8 MB Oct 10, 2026 Without provenance	Python 3	none	Linux musl 1.2+ x86-64	Details
ty_extended-0.85.0-py3-none-musllinux_1_2_aarch64.whl 21.7 MB Oct 10, 2026 Without provenance	Python 3	none	Linux musl 1.2+ ARM64	Details
ty_extended-0.85.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl 23.5 MB Oct 10, 2026 Without provenance	Python 3	none	Linux glibc 2.17+ x86-64	Details
ty_extended-0.85.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl 21.8 MB Oct 10, 2026 Without provenance	Python 3	none	Linux glibc 2.17+ ARM64	Details
ty_extended-0.85.0-py3-none-macosx_11_0_arm64.whl 21.1 MB Oct 10, 2026 Without provenance	Python 3	none	macOS 11.0+ ARM64	Details
ty_extended-0.85.0-py3-none-macosx_10_12_x86_64.whl 22.6 MB Oct 10, 2026 Without provenance	Python 3	none	macOS 10.12+ x86-64	Details

Total release size: 188.6 MB

Release files / ty_extended-0.85.0.tar.gz

Download URL	ty_extended-0.85.0.tar.gz
Size	7.7 MB
Tags	Source
SHA-256 checksum How to use checksums	`a045246059b628db73f15a69a0325799baa10f256fd2960be1466bedc017e217`
BLAKE2b-256 checksum How to use checksums	`9fd4359be954e26b0985854117e63a4e63b0b7fce85c4c87244643d36344dffb`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-win_arm64.whl

Download URL	ty_extended-0.85.0-py3-none-win_arm64.whl
Size	22.2 MB
Tags	Python 3 Windows ARM64
SHA-256 checksum How to use checksums	`3f5364ac1927be4b8496bf8966cfd7c6ef5fcd45b990d1686839c48823c5a15d`
BLAKE2b-256 checksum How to use checksums	`00bf3ec6f1232a126f32d61046d703f64fb43c96ee99ef0e1bd84917eff903a6`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-win_amd64.whl

Download URL	ty_extended-0.85.0-py3-none-win_amd64.whl
Size	24.1 MB
Tags	Python 3 Windows x86-64
SHA-256 checksum How to use checksums	`72f1d8c0047d49751bc4658949d887dac2732eb583f847c6b9604c19ba22da41`
BLAKE2b-256 checksum How to use checksums	`de143c5cdf3ea5dc0d107484769f6b2541ee1d9a423fdd22053e3dc4d50f779f`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-musllinux_1_2_x86_64.whl

Download URL	ty_extended-0.85.0-py3-none-musllinux_1_2_x86_64.whl
Size	23.8 MB
Tags	Linux musl 1.2+ x86-64 Python 3
SHA-256 checksum How to use checksums	`4b25c20bdb4b3cb17af9fc7761b85864d0026538ae729c2af054b9f10e0a40d2`
BLAKE2b-256 checksum How to use checksums	`7628be6d55be14314622f13ce6e680d8348774b28eb665ec122abccdd70fccce`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-musllinux_1_2_aarch64.whl

Download URL	ty_extended-0.85.0-py3-none-musllinux_1_2_aarch64.whl
Size	21.7 MB
Tags	Linux musl 1.2+ ARM64 Python 3
SHA-256 checksum How to use checksums	`5f46ac7b7e575d88820ba7ec17cf6483eb19b232b941c982183760ef429c6bed`
BLAKE2b-256 checksum How to use checksums	`75b901691073ee3cf8a1cb3cea6ef33059d8ac6fdc7b4aaeb0664a311dbcdecd`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl

Download URL	ty_extended-0.85.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl
Size	23.5 MB
Tags	Linux glibc 2.17+ x86-64 Python 3
SHA-256 checksum How to use checksums	`ae397b69fb68376d4b221454b854505edfba6e88639586b462637421c295a05e`
BLAKE2b-256 checksum How to use checksums	`e514b834a65aa8db26e8953220183414ea7569312a47a1b22d3fc9b53655edbd`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl

Download URL	ty_extended-0.85.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl
Size	21.8 MB
Tags	Linux glibc 2.17+ ARM64 Python 3
SHA-256 checksum How to use checksums	`5bf35cc8c88aa5073a05a83a161692c60e958f934e5499fb18acf0480ee15e92`
BLAKE2b-256 checksum How to use checksums	`7bdfd0a222a48fd0d418dfbe823f880efacc3dbacb22da9639f16966baa55e11`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-macosx_11_0_arm64.whl

Download URL	ty_extended-0.85.0-py3-none-macosx_11_0_arm64.whl
Size	21.1 MB
Tags	Python 3 macOS 11.0+ ARM64
SHA-256 checksum How to use checksums	`77ba5cce6e51e62df71f90fb4a119031891bce599be6bd70b505ced30c1882d5`
BLAKE2b-256 checksum How to use checksums	`8a91e702df0481c5352321fa138a751596b08f16f4f88d55314601c4d314d00e`
Upload date	Oct 10, 2026
Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

Release files / ty_extended-0.85.0-py3-none-macosx_10_12_x86_64.whl

Download URL	ty_extended-0.85.0-py3-none-macosx_10_12_x86_64.whl
Size	22.6 MB
Tags	Python 3 macOS 10.12+ x86-64
SHA-256 checksum How to use checksums	`e72780d18cad77ca9d939e7f188f50c5878369ef07a31e491d7aa16a85d23051`
BLAKE2b-256 checksum How to use checksums	`d299dcb6d5daac09913312abeb4d1900c0e96d1ea767a8d3d57f2d15e6d663b2`
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Uploaded using Trusted Publishing? What is trusted publishing?	Yes
Uploaded via	`uv/0.12.23 {"installer":{"name":"uv","version":"0.12.23","subcommand":["publish"]},"python":null,"implementation":{"name":null,"version":null},"distro":{"name":"Ubuntu","version":"24.04","id":"noble","libc":null},"system":{"name":null,"release":null},"cpu":null,"openssl_version":null,"setuptools_version":null,"rustc_version":null,"ci":true}`

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