Update hooks and migrate type checking to ty

.pre-commit-config.yaml

@@ -79,15 +79,6 @@ repos:
     -   id: codespell
         additional_dependencies: [tomli]
         exclude: (^|/)uv\.lock$
--   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v1.20.0'
-    hooks:
-    -   id: mypy
-        args: [
-            --no-strict-optional,
-            --ignore-missing-imports,
-        ]
-        pass_filenames: false
 -   repo: meta
     hooks:
     -   id: check-hooks-apply

justfile

@@ -9,11 +9,11 @@ test:
 
 # Run type checking
 typing:
-    uv run --group typing mypy hooks/ tests/
+    uv run --group typing --group test --isolated ty check
 
 # Run linting and formatting
 lint:
-    uv run --group lint pre-commit run --all-files
+    uvx prek run -a
 
 # Build docs
 docs:

pyproject.toml

@@ -56,30 +56,14 @@ test = [
     "pytest-cov",
     "pytest-xdist",
 ]
-typing = ["mypy"]
-lint = ["pre-commit"]
+typing = ["ty>=0.0.28"]
 
 [tool.hatch.build.targets.wheel]
 only-include = ["cookiecutter.json", "hooks", "{{cookiecutter.package_name}}"]
 
 [tool.hatch.build.targets.sdist]
 only-include = ["cookiecutter.json", "hooks", "{{cookiecutter.package_name}}"]
 
-[tool.mypy]
-files = ["tests"]
-check_untyped_defs = true
-disallow_any_generics = true
-disallow_incomplete_defs = true
-disallow_untyped_defs = true
-no_implicit_optional = true
-warn_redundant_casts = true
-warn_unused_ignores = true
-
-[[tool.mypy.overrides]]
-module = "tests.*"
-disallow_untyped_defs = false
-ignore_errors = true
-
 [tool.ruff]
 fix = true
 unsafe-fixes = true
@@ -116,6 +100,12 @@ extend-ignore = [
 [tool.ruff.lint.pydocstyle]
 convention = "numpy"
 
+[tool.ty.src]
+include = ["hooks", "tests"]
+
+[tool.ty.terminal]
+error-on-warning = true
+
 [tool.pytest.ini_options]
 addopts = ["--doctest-modules"]
 filterwarnings = [

tests/__init__.py

@@ -1,3 +1,3 @@
-"""This file is necessary to apply custom mypy configurations for the tests."""
+"""Test package marker for the type-checker configuration."""
 
 from __future__ import annotations

{{cookiecutter.package_name}}/.pre-commit-config.yaml

@@ -52,15 +52,6 @@ repos:
         additional_dependencies: [mdformat-gfm]
         args: [--wrap, "88"]
         files: (README\.md)
--   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: 'v1.19.1'
-    hooks:
-    -   id: mypy
-        args: [
-            --no-strict-optional,
-            --ignore-missing-imports,
-        ]
-        pass_filenames: false
 -   repo: https://github.com/codespell-project/codespell
     rev: v2.4.1
     hooks:

{{cookiecutter.package_name}}/justfile

@@ -12,11 +12,11 @@ test-cov:
 
 # Run type checking
 typing:
-    uv run --group typing --with-editable . mypy src/ tests/
+    uv run --group typing --group test --isolated ty check
 
 # Run linting and formatting
 lint:
-    uv run --group lint pre-commit run --all-files
+    uvx prek run -a
 
 # Run all checks
 check: lint typing test

{{cookiecutter.package_name}}/pyproject.toml

@@ -25,25 +25,7 @@ test = [
     "pytest-xdist",
     "pytask-parallel>=0.2",
 ]
-typing = ["mypy"]
-lint = ["pre-commit"]
-
-
-[tool.mypy]
-files = ["src", "tests"]
-check_untyped_defs = true
-disallow_any_generics = true
-disallow_incomplete_defs = true
-disallow_untyped_defs = true
-no_implicit_optional = true
-warn_redundant_casts = true
-warn_unused_ignores = true
-
-
-[[tool.mypy.overrides]]
-module = "tests.*"
-disallow_untyped_defs = false
-ignore_errors = true
+typing = ["ty>=0.0.28"]
 
 
 [tool.pytask.ini_options]
@@ -102,3 +84,10 @@ markers = [
     "end_to_end: Flag for tests that cover the whole program.",
 ]
 norecursedirs = [".idea"]
+
+
+[tool.ty.src]
+include = ["src", "tests"]
+
+[tool.ty.terminal]
+error-on-warning = true