Ty migration notes

This repository has been migrated from mypy to Astral ty for generated project type checking.

What changed

  • Replaced the generated type-check config fragment:
    • template/mypy-config.toml → template/ty-config.toml
  • Updated config assembly in src/uv_start/dev_deps.py so generated pyproject.toml files now include [tool.ty] settings.
  • Updated generated dev dependencies in src/uv_start/dev_deps.py:
    • uv add --dev ... mypy ... → uv add --dev ... ty ...
  • Updated generated CI template (template/.github/workflows/ci.yml) to run Ty:
    • uv run ty check src tests
  • Updated repository docs/tests that referenced mypy to refer to Ty.

Ty usage in generated projects

Run type checks with:

uv run ty check src tests

Ty configuration is generated into each project’s pyproject.toml under [tool.ty].