MAINT: Enforce additional ruff rules

array_api_compat/__init__.py

@@ -19,4 +19,4 @@
 """
 __version__ = '1.15.0.dev0'
 
-from .common import *  # noqa: F401, F403
+from .common import *  # noqa: F403

array_api_compat/common/_helpers.py

@@ -669,7 +669,7 @@ def your_function(x, y):
     # torch._dynamo.exc.Unsupported: Dynamo cannot determine whether the underlying object is hashable
     # Explanation: Dynamo does not know whether the underlying python object for
     # PythonModuleVariable(<module 'array_api_compat.torch' from ...) is hashable
-    names = set(x.__name__ for x in namespaces)
+    names = {x.__name__ for x in namespaces}
     unique_namespaces = []
     for ns in namespaces:
         if (name := ns.__name__) in names:

array_api_compat/cupy/linalg.py

@@ -56,7 +56,7 @@
 __all__ = linalg_all + _linalg.__all__
 
 # cupy 13 does not have __all__, cupy 14 has it: remove duplicates
-__all__ = sorted(list(set(__all__)))
+__all__ = sorted(set(__all__))
 
 def __dir__() -> list[str]:
     return __all__

array_api_compat/numpy/__init__.py

@@ -1,4 +1,3 @@
-# ruff: noqa: PLC0414
 from typing import Final
 
 from .._internal import clone_module

array_api_compat/torch/_aliases.py

@@ -278,7 +278,7 @@ def _axis_none_keepdims(x, ndim, keepdims):
     # (https://github.com/pytorch/pytorch/issues/71209)
     # Note that this is only valid for the axis=None case.
     if keepdims:
-        for i in range(ndim):
+        for _ in range(ndim):
             x = torch.unsqueeze(x, 0)
     return x
 

array_api_compat/torch/fft.py

@@ -17,8 +17,8 @@ def fftn(
     x: Array,
     /,
     *,
-    s: Sequence[int] = None,
-    axes: Sequence[int] = None,
+    s: Sequence[int] | None = None,
+    axes: Sequence[int] | None = None,
     norm: Literal["backward", "ortho", "forward"] = "backward",
     **kwargs: object,
 ) -> Array:
@@ -28,8 +28,8 @@ def ifftn(
     x: Array,
     /,
     *,
-    s: Sequence[int] = None,
-    axes: Sequence[int] = None,
+    s: Sequence[int] | None = None,
+    axes: Sequence[int] | None = None,
     norm: Literal["backward", "ortho", "forward"] = "backward",
     **kwargs: object,
 ) -> Array:
@@ -39,8 +39,8 @@ def rfftn(
     x: Array,
     /,
     *,
-    s: Sequence[int] = None,
-    axes: Sequence[int] = None,
+    s: Sequence[int] | None = None,
+    axes: Sequence[int] | None = None,
     norm: Literal["backward", "ortho", "forward"] = "backward",
     **kwargs: object,
 ) -> Array:
@@ -50,8 +50,8 @@ def irfftn(
     x: Array,
     /,
     *,
-    s: Sequence[int] = None,
-    axes: Sequence[int] = None,
+    s: Sequence[int] | None = None,
+    axes: Sequence[int] | None = None,
     norm: Literal["backward", "ortho", "forward"] = "backward",
     **kwargs: object,
 ) -> Array:
@@ -61,7 +61,7 @@ def fftshift(
     x: Array,
     /,
     *,
-    axes: int | Sequence[int] = None,
+    axes: int | Sequence[int] | None = None,
     **kwargs: object,
 ) -> Array:
     return torch.fft.fftshift(x, dim=axes, **kwargs)
@@ -70,7 +70,7 @@ def ifftshift(
     x: Array,
     /,
     *,
-    axes: int | Sequence[int] = None,
+    axes: int | Sequence[int] | None = None,
     **kwargs: object,
 ) -> Array:
     return torch.fft.ifftshift(x, dim=axes, **kwargs)

pyproject.toml

@@ -64,19 +64,29 @@ namespaces = false
 [tool.ruff.lint]
 preview = true
 select = [
-# Defaults
-"E4", "E7", "E9", "F",
-# Undefined export
-"F822",
-# Useless import alias
-"PLC0414"
+  # Defaults
+  "E4", "E7", "E9", "F",
+  # Additional rules
+  "B", "C4", "ISC", "PIE", "FLY", "PERF", "UP", "FURB",
+  # Useless import alias
+  "PLC0414",
+  # Unused `noqa` directive
+  "RUF100",
 ]
 
 ignore = [
   # Module import not at top of file
   "E402",
   # Do not use bare `except`
-  "E722"
+  "E722",
+  # Use of `functools.cache` on methods can lead to memory leaks
+  "B019",
+  # No explicit `stacklevel` keyword argument found
+  "B028",
+  # Within an `except` clause, raise exceptions with `raise ... from ...`
+  "B904",
+  # `try`-`except` within a loop incurs performance overhead
+  "PERF203",
 ]
 
 

tests/test_isdtype.py

@@ -61,7 +61,7 @@ def isdtype_(dtype_, kind):
         res = dtype_categories[kind](dtype_)
     else:
         res = dtype_ == kind
-    assert type(res) is bool #  noqa: E721
+    assert type(res) is bool
     return res
 
 @pytest.mark.parametrize("library", wrapped_libraries)

tests/test_no_dependencies.py

@@ -38,11 +38,11 @@ def _test_dependency(mod):
         assert not is_mod_array(a)
         assert mod not in sys.modules
 
-    is_array_api_obj = getattr(array_api_compat, "is_array_api_obj")
+    is_array_api_obj = array_api_compat.is_array_api_obj
     assert is_array_api_obj(a)
     assert mod not in sys.modules
 
-    array_namespace = getattr(array_api_compat, "array_namespace")
+    array_namespace = array_api_compat.array_namespace
     array_namespace(Array())
     assert mod not in sys.modules