tools: Configure mypy (#6)

pyproject.toml

@@ -74,6 +74,30 @@ pythonPlatform = "Linux"
 venvPath = ".tox"
 venv = "py38"
 
+[tool.mypy]
+python_version = "3.8"
+packages = ["starcraft"]
+exclude = [
+    "build"
+]
+warn_unused_configs = true
+warn_redundant_casts = true
+strict_equality = true
+strict_concatenate = true
+warn_return_any = true
+disallow_subclassing_any = true
+disallow_untyped_decorators = true
+disallow_any_generics = true
+
+[[tool.mypy.overrides]]
+module = ["starcraft"]
+disallow_untyped_defs = true
+no_implicit_optional = true
+
+[[tool.mypy.overrides]]
+module = ["tests.*"]
+strict = false
+
 [tool.ruff]
 line-length = 88
 target-version = "py38"

tox.ini

@@ -46,28 +46,33 @@ deps =
     ruff>=0.0.226
     # renovate: datasource=pypi
     codespell[tomli]>=2.2.2
+    # renovate: datasource=pypi
+    mypy[reports]>=0.991
 env_dir = {work_dir}/linting
 runner = ignore_env_name_mismatch
 
 [shellcheck]
 find = find {tox_root} \( -name .git -o -name .tox \) -prune -o -print
 filter = file --mime-type -Nnf- | grep shellscript | cut -f1 -d:
 
-[testenv:lint-{black,ruff,pyright,shellcheck,codespell}]
+[testenv:lint-{black,ruff,pyright,shellcheck,codespell,mypy}]
 description = Lint the source code
 base = testenv, lint
 labels = lint
 allowlist_externals =
     pyright: pyright
     shellcheck: bash, xargs
+    mypy: mkdir
 commands_pre =
+    mypy: mkdir -p .mypy_cache
     shellcheck: bash -c '{[shellcheck]find} | {[shellcheck]filter} > {env_tmp_dir}/shellcheck_files'
 commands =
     black: black --check --diff {tty:--color} {posargs} .
     ruff: ruff --diff --respect-gitignore {posargs} .
     pyright: pyright --lib {posargs}
     shellcheck: xargs -ra {env_tmp_dir}/shellcheck_files shellcheck
     codespell: codespell --toml {tox_root}/pyproject.toml {posargs}
+    mypy: mypy --install-types --non-interactive .
 
 [testenv:format-{black,ruff,codespell}]
 description = Automatically format source code