Add Ruff F401 to Tools/

Author: hugovk

.pre-commit-config.yaml

@@ -23,6 +23,11 @@ repos:
         name: Run Ruff (lint) on Platforms/WASI/
         args: [--exit-non-zero-on-fix, --config=Platforms/WASI/.ruff.toml]
         files: ^Platforms/WASI/
+      - id: ruff-check
+        name: Run Ruff (lint) on Tools/
+        args: [--exit-non-zero-on-fix]
+        files: ^Tools/
+        exclude: ^Tools/(build|clinic|i18n|peg_generator|wasm)/
       - id: ruff-check
         name: Run Ruff (lint) on Tools/build/
         args: [--exit-non-zero-on-fix, --config=Tools/build/.ruff.toml]

Tools/.ruff.toml

@@ -0,0 +1,14 @@
+extend = "../.ruff.toml"  # Inherit the project-wide settings
+
+[per-file-target-version]
+"jit/example_trace_dump.py" = "py312"  # Reused-quote f-strings (PEP 701)
+
+[lint]
+select = [
+    "F401",  # Unused import
+]
+
+[lint.per-file-ignores]
+"c-analyzer/c_parser/__init__.py" = ["F401"]  # Re-exports from submodules
+"c-analyzer/c_parser/preprocessor/__init__.py" = ["F401"]  # Re-exports from submodules
+"c-analyzer/c_parser/preprocessor/common.py" = ["F401"]  # Re-exported by preprocessor/__init__.py