feat: Ensure we have real Python 3.9 to 3.13 compatibility

Author: ddanier

pyproject.toml

@@ -29,6 +29,20 @@ dev = [
     "tox>=4.23.2",
 ]
 
+[tool.ruff]
+line-length = 115
+target-version = "py39"
+output-format = "grouped"
+
+[tool.ruff.lint]
+select = ["F","E","W","C","I","N","UP","ANN","S","B","A","COM","C4","T20","PT","ARG","TD","RUF"]
+ignore = ["A001","A002","A003","ANN401","C901","N8","B008","F405","F821"]
+
+[tool.ruff.lint.per-file-ignores]
+"__init__.py" = ["F401"]
+"conftest.py" = ["S101","ANN","F401"]
+"test_*.py" = ["S101","ANN","F401"]
+
 [build-system]
 requires = ["hatchling"]
 build-backend = "hatchling.build"

tests/test_generic_arguments.py

@@ -35,13 +35,13 @@ def test_plain_generic():
 def test_plain_generic_raises_exception_if_not_typed():
     assert PlainGeneric.__typing_arguments__ == {}
     with pytest.raises(TypeError):
-        PlainGeneric.t1
+        PlainGeneric.t1  # noqa: B018
     with pytest.raises(TypeError):
-        PlainGeneric.t2
+        PlainGeneric.t2  # noqa: B018
     with pytest.raises(TypeError):
-        PlainGeneric().t1
+        PlainGeneric().t1  # noqa: B018
     with pytest.raises(TypeError):
-        PlainGeneric().t2
+        PlainGeneric().t2  # noqa: B018
 
 
 def test_plain_generic_raises_exception_if_base_class_is_not_generic():
@@ -83,7 +83,7 @@ class Something(Generic[T1]):
         t1 = typing_arg(T1)
 
     with pytest.raises(TypeError):
-        Something[str].t1
+        Something[str].t1  # noqa: B018
 
 
 def test_plain_generic_child():

typing_arguments/__init__.py

@@ -1,4 +1,6 @@
 from typing_arguments.generic_arguments import (
     GenericArgumentsMixin as GenericArgumentsMixin,
+)
+from typing_arguments.generic_arguments import (
     typing_arg as typing_arg,
 )

typing_arguments/generic_arguments.py

@@ -208,7 +208,7 @@ def __init_subclass__(cls, *args: Any, **kwargs: Any) -> None:
         )
 
 
-class typing_arg:  # noqa
+class typing_arg:
     __slots__ = ("type_argument",)
 
     def __init__(self, type_argument: TypeVar, /) -> None: