Enable some stricter typing rules

Author: dstansby

numcodecs/checksum32.py

@@ -13,7 +13,7 @@
 
 _crc32c: Optional[ModuleType] = None
 with suppress(ImportError):
-    import crc32c as _crc32c  # type: ignore[no-redef]
+    import crc32c as _crc32c  # type: ignore[no-redef, unused-ignore]
 
 if TYPE_CHECKING:  # pragma: no cover
     from typing_extensions import Buffer

pyproject.toml

@@ -13,15 +13,10 @@ name = "numcodecs"
 description = """
 A Python package providing buffer compression and transformation codecs \
 for use in data storage and communication applications."""
-readme =  "README.rst"
-dependencies = [
-    "numpy>=1.24",
-    "deprecated"
-]
+readme = "README.rst"
+dependencies = ["numpy>=1.24", "deprecated"]
 requires-python = ">=3.11"
-dynamic = [
-  "version",
-]
+dynamic = ["version"]
 classifiers = [
     "Development Status :: 4 - Beta",
     "Intended Audience :: Developers",
@@ -34,9 +29,7 @@ classifiers = [
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3 :: Only",
 ]
-maintainers = [
-    { name = "Alistair Miles", email = "alimanfoo@googlemail.com" },
-]
+maintainers = [{ name = "Alistair Miles", email = "alimanfoo@googlemail.com" }]
 license = { text = "MIT" }
 
 [project.urls]
@@ -46,32 +39,13 @@ Documentation = "https://numcodecs.readthedocs.io/"
 Homepage = "https://github.com/zarr-developers/numcodecs"
 
 [project.optional-dependencies]
-docs = [
-    "sphinx",
-    "sphinx-issues",
-    "pydata-sphinx-theme",
-    "numpydoc",
-]
-test = [
-    "coverage",
-    "pytest",
-    "pytest-cov",
-]
-test_extras = [
-    "importlib_metadata",
-]
-msgpack = [
-    "msgpack",
-]
-zfpy = [
-    "zfpy>=1.0.0"
-]
-pcodec = [
-    "pcodec>=0.3,<0.4",
-]
-crc32c = [
-    "crc32c>=2.7",
-]
+docs = ["sphinx", "sphinx-issues", "pydata-sphinx-theme", "numpydoc"]
+test = ["coverage", "pytest", "pytest-cov"]
+test_extras = ["importlib_metadata"]
+msgpack = ["msgpack"]
+zfpy = ["zfpy>=1.0.0"]
+pcodec = ["pcodec>=0.3,<0.4"]
+crc32c = ["crc32c>=2.7"]
 
 [project.entry-points."zarr.codecs"]
 "numcodecs.blosc" = "numcodecs.zarr3:Blosc"
@@ -98,14 +72,14 @@ crc32c = [
 
 [tool.setuptools]
 license-files = ["LICENSE.txt"]
-package-dir = {"" = "."}
+package-dir = { "" = "." }
 packages = ["numcodecs", "numcodecs.tests"]
 zip-safe = false
 
 [tool.setuptools.package-data]
 numcodecs = [
     "tests/package_with_entrypoint/__init__.py",
-    "tests/package_with_entrypoint-0.1.dist-info/entry_points.txt"
+    "tests/package_with_entrypoint-0.1.dist-info/entry_points.txt",
 ]
 
 [tool.setuptools_scm]
@@ -118,13 +92,25 @@ skip = "./.git,fixture"
 ignore-words-list = "ba, compiletime, hist, nd, unparseable"
 
 [tool.coverage.report]
-exclude_lines = [
-    "pragma: no cover",
-    "pragma: ${PY_MAJOR_VERSION} no cover",
-]
+exclude_lines = ["pragma: no cover", "pragma: ${PY_MAJOR_VERSION} no cover"]
 
 [tool.repo-review]
-ignore = ["PY005", "PY007", "PP302", "PP308", "PP309", "GH103", "GH212", "PC111", "PC140", "PC160", "PC170", "PC180", "MY100", "RF103"]
+ignore = [
+    "PY005",
+    "PY007",
+    "PP302",
+    "PP308",
+    "PP309",
+    "GH103",
+    "GH212",
+    "PC111",
+    "PC140",
+    "PC160",
+    "PC170",
+    "PC180",
+    "MY100",
+    "RF103",
+]
 
 [tool.pytest.ini_options]
 addopts = "-ra --strict-config --strict-markers --cov=numcodecs --cov-report xml --doctest-modules --doctest-glob=*.pyx"
@@ -133,9 +119,7 @@ doctest_optionflags = [
     "ELLIPSIS",
     "IGNORE_EXCEPTION_DETAIL",
 ]
-testpaths = [
-    "numcodecs/tests",
-]
+testpaths = ["numcodecs/tests"]
 norecursedirs = [
     ".git",
     ".github",
@@ -150,17 +134,15 @@ norecursedirs = [
 ]
 log_cli_level = "INFO"
 xfail_strict = true
-filterwarnings = [
-    "error",
-]
+filterwarnings = ["error"]
 
 [tool.cibuildwheel]
-environment = { DISABLE_NUMCODECS_AVX2=1 }
+environment = { DISABLE_NUMCODECS_AVX2 = 1 }
 [tool.cibuildwheel.macos]
-environment = { MACOSX_DEPLOYMENT_TARGET=10.9, DISABLE_NUMCODECS_AVX2=1, CFLAGS="$CFLAGS -Wno-implicit-function-declaration" }
+environment = { MACOSX_DEPLOYMENT_TARGET = 10.9, DISABLE_NUMCODECS_AVX2 = 1, CFLAGS = "$CFLAGS -Wno-implicit-function-declaration" }
 [[tool.cibuildwheel.overrides]]
 select = "*-macosx_arm64"
-environment = { DISABLE_NUMCODECS_AVX2=1, DISABLE_NUMCODECS_SSE2=1 }
+environment = { DISABLE_NUMCODECS_AVX2 = 1, DISABLE_NUMCODECS_SSE2 = 1 }
 
 [tool.ruff]
 line-length = 100
@@ -205,7 +187,7 @@ ignore = [
     "TRY003",
     "TRY301",
     "UP007",
-    "UP038",  # https://github.com/astral-sh/ruff/issues/7871
+    "UP038",   # https://github.com/astral-sh/ruff/issues/7871
     # https://docs.astral.sh/ruff/formatter/#conflicting-lint-rules
     "W191",
     "E111",
@@ -225,7 +207,7 @@ ignore = [
 
 [tool.ruff.lint.extend-per-file-ignores]
 "numcodecs/tests/**" = ["SIM201", "SIM202", "SIM300", "TRY002"]
-"notebooks/**" = ["W391"]  # https://github.com/astral-sh/ruff/issues/13763
+"notebooks/**" = ["W391"]                                       # https://github.com/astral-sh/ruff/issues/13763
 
 [tool.ruff.format]
 quote-style = "preserve"
@@ -237,3 +219,6 @@ enable_error_code = ["ignore-without-code", "redundant-expr", "truthy-bool"]
 # TODO: set options below to true
 strict = false
 warn_unreachable = false
+warn_redundant_casts = true
+warn_unused_ignores = true
+warn_unused_configs = true