[ty] Implicit type aliases: Instantiation and attribute access

.config/nextest.toml

@@ -7,6 +7,10 @@ serial = { max-threads = 1 }
 filter = 'binary(file_watching)'
 test-group = 'serial'
 
+[[profile.default.overrides]]
+filter = 'binary(e2e)'
+test-group = 'serial'
+
 [profile.ci]
 # Print out output for failing tests as soon as they fail, and also at the end
 # of the run (for easy scrollability).

.github/renovate.json5

@@ -2,11 +2,12 @@
   $schema: "https://docs.renovatebot.com/renovate-schema.json",
   dependencyDashboard: true,
   suppressNotifications: ["prEditedNotification"],
-  extends: ["github>astral-sh/renovate-config"],
+  extends: ["config:recommended"],
   labels: ["internal"],
   schedule: ["before 4am on Monday"],
   semanticCommits: "disabled",
   separateMajorMinor: false,
+  prHourlyLimit: 10,
   enabledManagers: ["github-actions", "pre-commit", "cargo", "pep621", "pip_requirements", "npm"],
   cargo: {
     // See https://docs.renovatebot.com/configuration-options/#rangestrategy
@@ -15,7 +16,7 @@
   pep621: {
     // The default for this package manager is to only search for `pyproject.toml` files
     // found at the repository root: https://docs.renovatebot.com/modules/manager/pep621/#file-matching
-    managerFilePatterns: ["^(python|scripts)/.*pyproject\\.toml$"],
+    fileMatch: ["^(python|scripts)/.*pyproject\\.toml$"],
   },
   pip_requirements: {
     // The default for this package manager is to run on all requirements.txt files:
@@ -33,7 +34,7 @@
   npm: {
     // The default for this package manager is to only search for `package.json` files
     // found at the repository root: https://docs.renovatebot.com/modules/manager/npm/#file-matching
-    managerFilePatterns: ["^playground/.*package\\.json$"],
+    fileMatch: ["^playground/.*package\\.json$"],
   },
   "pre-commit": {
     enabled: true,
@@ -75,6 +76,14 @@
       matchManagers: ["cargo"],
       enabled: false,
     },
+    {
+      // `mkdocs-material` requires a manual update to keep the version in sync
+      // with `mkdocs-material-insider`.
+      // See: https://squidfunk.github.io/mkdocs-material/insiders/upgrade/
+      matchManagers: ["pip_requirements"],
+      matchPackageNames: ["mkdocs-material"],
+      enabled: false,
+    },
     {
       groupName: "pre-commit dependencies",
       matchManagers: ["pre-commit"],

.github/workflows/build-binaries.yml

@@ -43,7 +43,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: "Prep README.md"
@@ -72,7 +72,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
@@ -114,7 +114,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: arm64
@@ -170,7 +170,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: ${{ matrix.platform.arch }}
@@ -223,7 +223,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
@@ -300,7 +300,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: "Prep README.md"
@@ -365,7 +365,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
@@ -431,7 +431,7 @@ jobs:
         with:
           submodules: recursive
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
       - name: "Prep README.md"

.github/workflows/ci.yaml

@@ -24,8 +24,6 @@ env:
   PACKAGE_NAME: ruff
   PYTHON_VERSION: "3.14"
   NEXTEST_PROFILE: ci
-  # Enable mdtests that require external dependencies
-  MDTEST_EXTERNAL: "1"
 
 jobs:
   determine_changes:
@@ -232,7 +230,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -254,7 +252,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           shared-key: ruff-linux-debug
           save-if: ${{ github.ref == 'refs/heads/main' }}
@@ -263,11 +261,11 @@ jobs:
       - name: "Install mold"
         uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
       - name: "Install cargo nextest"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-nextest
       - name: "Install cargo insta"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-insta
       - name: "Install uv"
@@ -317,7 +315,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -325,7 +323,7 @@ jobs:
       - name: "Install mold"
         uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
       - name: "Install cargo nextest"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-nextest
       - name: "Install uv"
@@ -352,13 +350,13 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
         run: rustup show
       - name: "Install cargo nextest"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-nextest
       - name: "Install uv"
@@ -380,7 +378,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -417,7 +415,7 @@ jobs:
         with:
           file: "Cargo.toml"
           field: "workspace.package.rust-version"
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -441,7 +439,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           workspaces: "fuzz -> target"
           save-if: ${{ github.ref == 'refs/heads/main' }}
@@ -450,7 +448,7 @@ jobs:
       - name: "Install mold"
         uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
       - name: "Install cargo-binstall"
-        uses: cargo-bins/cargo-binstall@3fc81674af4165a753833a94cae9f91d8849049f # v1.16.2
+        uses: cargo-bins/cargo-binstall@ae04fb5e853ae6cd3ad7de4a1d554a8b646d12aa # v1.15.11
       - name: "Install cargo-fuzz"
         # Download the latest version from quick install and not the github releases because github releases only has MUSL targets.
         run: cargo binstall cargo-fuzz --force  --disable-strategies crate-meta-data --no-confirm
@@ -469,7 +467,7 @@ jobs:
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           shared-key: ruff-linux-debug
           save-if: false
@@ -500,7 +498,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
@@ -549,7 +547,7 @@ jobs:
       - name: "Install mold"
         uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           shared-key: ruff-linux-debug
           save-if: false
@@ -645,7 +643,7 @@ jobs:
           fetch-depth: 0
           persist-credentials: false
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -690,7 +688,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: cargo-bins/cargo-binstall@3fc81674af4165a753833a94cae9f91d8849049f # v1.16.2
+      - uses: cargo-bins/cargo-binstall@ae04fb5e853ae6cd3ad7de4a1d554a8b646d12aa # v1.15.11
       - run: cargo binstall --no-confirm cargo-shear
       - run: cargo shear
 
@@ -704,7 +702,7 @@ jobs:
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -725,11 +723,11 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Prep README.md"
@@ -755,7 +753,7 @@ jobs:
         with:
           persist-credentials: false
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
@@ -781,13 +779,20 @@ jobs:
     name: "mkdocs"
     runs-on: ubuntu-latest
     timeout-minutes: 10
+    env:
+      MKDOCS_INSIDERS_SSH_KEY_EXISTS: ${{ secrets.MKDOCS_INSIDERS_SSH_KEY != '' }}
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
+      - name: "Add SSH key"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
+        with:
+          ssh-private-key: ${{ secrets.MKDOCS_INSIDERS_SSH_KEY }}
       - name: "Install Rust toolchain"
         run: rustup show
       - name: Install uv
@@ -795,7 +800,11 @@ jobs:
         with:
           python-version: 3.13
           activate-environment: true
+      - name: "Install Insiders dependencies"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        run: uv pip install -r docs/requirements-insiders.txt
       - name: "Install dependencies"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS != 'true' }}
         run: uv pip install -r docs/requirements.txt
       - name: "Update README File"
         run: python scripts/transform_readme.py --target mkdocs
@@ -803,8 +812,12 @@ jobs:
         run: python scripts/generate_mkdocs.py
       - name: "Check docs formatting"
         run: python scripts/check_docs_formatted.py
+      - name: "Build Insiders docs"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        run: mkdocs build --strict -f mkdocs.insiders.yml
       - name: "Build docs"
-        run: mkdocs build --strict -f mkdocs.yml
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS != 'true' }}
+        run: mkdocs build --strict -f mkdocs.public.yml
 
   check-formatter-instability-and-black-similarity:
     name: "formatter instabilities and black similarity"
@@ -816,7 +829,7 @@ jobs:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - name: "Install Rust toolchain"
@@ -844,7 +857,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           shared-key: ruff-linux-debug
           save-if: false
@@ -862,7 +875,7 @@ jobs:
           repository: "astral-sh/ruff-lsp"
           path: ruff-lsp
 
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           # installation fails on 3.13 and newer
           python-version: "3.12"
@@ -895,7 +908,7 @@ jobs:
           persist-credentials: false
       - name: "Install Rust toolchain"
         run: rustup target add wasm32-unknown-unknown
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: actions/setup-node@2028fbc5c25fe9cf00d9f06a71cc4710d4507903 # v6.0.0
@@ -905,7 +918,7 @@ jobs:
           cache-dependency-path: playground/package-lock.json
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
-        run: npm ci --ignore-scripts
+        run: npm ci
         working-directory: playground
       - name: "Build playgrounds"
         run: npm run dev:wasm
@@ -929,16 +942,13 @@ jobs:
         needs.determine_changes.outputs.linter == 'true'
       )
     timeout-minutes: 20
-    permissions:
-      contents: read # required for actions/checkout
-      id-token: write # required for OIDC authentication with CodSpeed
     steps:
       - name: "Checkout Branch"
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
@@ -947,7 +957,7 @@ jobs:
         run: rustup show
 
       - name: "Install codspeed"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-codspeed
 
@@ -955,10 +965,11 @@ jobs:
         run: cargo codspeed build --features "codspeed,instrumented" --profile profiling --no-default-features -p ruff_benchmark --bench formatter --bench lexer --bench linter --bench parser
 
       - name: "Run benchmarks"
-        uses: CodSpeedHQ/action@346a2d8a8d9d38909abd0bc3d23f773110f076ad # v4.4.1
+        uses: CodSpeedHQ/action@6a8e2b874c338bf81cc5e8be715ada75908d3871 # v4.3.4
         with:
-          mode: simulation
+          mode: instrumentation
           run: cargo codspeed run
+          token: ${{ secrets.CODSPEED_TOKEN }}
 
   benchmarks-instrumented-ty:
     name: "benchmarks instrumented (ty)"
@@ -971,16 +982,13 @@ jobs:
         needs.determine_changes.outputs.ty == 'true'
       )
     timeout-minutes: 20
-    permissions:
-      contents: read # required for actions/checkout
-      id-token: write # required for OIDC authentication with CodSpeed
     steps:
       - name: "Checkout Branch"
         uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
@@ -989,7 +997,7 @@ jobs:
         run: rustup show
 
       - name: "Install codspeed"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-codspeed
 
@@ -997,10 +1005,11 @@ jobs:
         run: cargo codspeed build --features "codspeed,instrumented" --profile profiling --no-default-features -p ruff_benchmark --bench ty
 
       - name: "Run benchmarks"
-        uses: CodSpeedHQ/action@346a2d8a8d9d38909abd0bc3d23f773110f076ad # v4.4.1
+        uses: CodSpeedHQ/action@6a8e2b874c338bf81cc5e8be715ada75908d3871 # v4.3.4
         with:
-          mode: simulation
+          mode: instrumentation
           run: cargo codspeed run
+          token: ${{ secrets.CODSPEED_TOKEN }}
 
   benchmarks-walltime:
     name: "benchmarks walltime (${{ matrix.benchmarks }})"
@@ -1008,9 +1017,6 @@ jobs:
     needs: determine_changes
     if: ${{ github.repository == 'astral-sh/ruff' && !contains(github.event.pull_request.labels.*.name, 'no-test') && (needs.determine_changes.outputs.ty == 'true' || github.ref == 'refs/heads/main') }}
     timeout-minutes: 20
-    permissions:
-      contents: read # required for actions/checkout
-      id-token: write # required for OIDC authentication with CodSpeed
     strategy:
       matrix:
         benchmarks:
@@ -1022,7 +1028,7 @@ jobs:
         with:
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           save-if: ${{ github.ref == 'refs/heads/main' }}
       - uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
@@ -1031,7 +1037,7 @@ jobs:
         run: rustup show
 
       - name: "Install codspeed"
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-codspeed
 
@@ -1039,7 +1045,7 @@ jobs:
         run: cargo codspeed build --features "codspeed,walltime" --profile profiling --no-default-features -p ruff_benchmark
 
       - name: "Run benchmarks"
-        uses: CodSpeedHQ/action@346a2d8a8d9d38909abd0bc3d23f773110f076ad # v4.4.1
+        uses: CodSpeedHQ/action@6a8e2b874c338bf81cc5e8be715ada75908d3871 # v4.3.4
         env:
           # enabling walltime flamegraphs adds ~6 minutes to the CI time, and they don't
           # appear to provide much useful insight for our walltime benchmarks right now
@@ -1048,3 +1054,4 @@ jobs:
         with:
           mode: walltime
           run: cargo codspeed run --bench ty_walltime "${{ matrix.benchmarks }}"
+          token: ${{ secrets.CODSPEED_TOKEN }}

.github/workflows/daily_fuzz.yaml

@@ -39,7 +39,7 @@ jobs:
         run: rustup show
       - name: "Install mold"
         uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
       - name: Build ruff
         # A debug build means the script runs slower once it gets started,
         # but this is outweighed by the fact that a release build takes *much* longer to compile in CI

.github/workflows/mypy_primer.yaml

@@ -45,7 +45,7 @@ jobs:
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           workspaces: "ruff"
 
@@ -83,7 +83,7 @@ jobs:
       - name: Install the latest version of uv
         uses: astral-sh/setup-uv@1e862dfacbd1d6d858c55d9b792c756523627244 # v7.1.4
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           workspaces: "ruff"
 

.github/workflows/publish-docs.yml

@@ -20,13 +20,15 @@ on:
 jobs:
   mkdocs:
     runs-on: ubuntu-latest
+    env:
+      MKDOCS_INSIDERS_SSH_KEY_EXISTS: ${{ secrets.MKDOCS_INSIDERS_SSH_KEY != '' }}
     steps:
       - uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
         with:
           ref: ${{ inputs.ref }}
           persist-credentials: true
 
-      - uses: actions/setup-python@83679a892e2d95755f2dac6acb0bfd1e9ac5d548 # v6.1.0
+      - uses: actions/setup-python@e797f83bcb11b83ae66e0230d6156d7c80228e7c # v6.0.0
         with:
           python-version: 3.12
 
@@ -57,12 +59,23 @@ jobs:
           echo "branch_name=update-docs-$branch_display_name-$timestamp" >> "$GITHUB_ENV"
           echo "timestamp=$timestamp" >> "$GITHUB_ENV"
 
+      - name: "Add SSH key"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        uses: webfactory/ssh-agent@a6f90b1f127823b31d4d4a8d96047790581349bd # v0.9.1
+        with:
+          ssh-private-key: ${{ secrets.MKDOCS_INSIDERS_SSH_KEY }}
+
       - name: "Install Rust toolchain"
         run: rustup show
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
+
+      - name: "Install Insiders dependencies"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        run: pip install -r docs/requirements-insiders.txt
 
       - name: "Install dependencies"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS != 'true' }}
         run: pip install -r docs/requirements.txt
 
       - name: "Copy README File"
@@ -70,8 +83,13 @@ jobs:
           python scripts/transform_readme.py --target mkdocs
           python scripts/generate_mkdocs.py
 
+      - name: "Build Insiders docs"
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
+        run: mkdocs build --strict -f mkdocs.insiders.yml
+
       - name: "Build docs"
-        run: mkdocs build --strict -f mkdocs.yml
+        if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS != 'true' }}
+        run: mkdocs build --strict -f mkdocs.public.yml
 
       - name: "Clone docs repo"
         run: git clone https://${{ secrets.ASTRAL_DOCS_PAT }}@github.com/astral-sh/docs.git astral-docs

.github/workflows/publish-playground.yml

@@ -37,7 +37,7 @@ jobs:
           package-manager-cache: false
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
-        run: npm ci --ignore-scripts
+        run: npm ci
         working-directory: playground
       - name: "Run TypeScript checks"
         run: npm run check

.github/workflows/publish-ty-playground.yml

@@ -41,7 +41,7 @@ jobs:
           package-manager-cache: false
       - uses: jetli/wasm-bindgen-action@20b33e20595891ab1a0ed73145d8a21fc96e7c29 # v0.2.0
       - name: "Install Node dependencies"
-        run: npm ci --ignore-scripts
+        run: npm ci
         working-directory: playground
       - name: "Run TypeScript checks"
         run: npm run check

.github/workflows/sync_typeshed.yaml

@@ -198,7 +198,7 @@ jobs:
         run: |
           rm "${VENDORED_TYPESHED}/pyproject.toml"
           git commit -am "Remove pyproject.toml file"
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
       - name: "Install Rust toolchain"
         if: ${{ success() }}
         run: rustup show
@@ -207,12 +207,12 @@ jobs:
         uses: rui314/setup-mold@725a8794d15fc7563f59595bd9556495c0564878 # v1
       - name: "Install cargo nextest"
         if: ${{ success() }}
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-nextest
       - name: "Install cargo insta"
         if: ${{ success() }}
-        uses: taiki-e/install-action@3575e532701a5fc614b0c842e4119af4cc5fd16d # v2.62.60
+        uses: taiki-e/install-action@f79fe7514db78f0a7bdba3cb6dd9c1baa7d046d9 # v2.62.56
         with:
           tool: cargo-insta
       - name: Update snapshots

.github/workflows/ty-ecosystem-analyzer.yaml

@@ -37,7 +37,7 @@ jobs:
         with:
           enable-cache: true # zizmor: ignore[cache-poisoning] acceptable risk for CloudFlare pages artifact
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           workspaces: "ruff"
           lookup-only: false # zizmor: ignore[cache-poisoning] acceptable risk for CloudFlare pages artifact

.github/workflows/ty-ecosystem-report.yaml

@@ -33,7 +33,7 @@ jobs:
         with:
           enable-cache: true # zizmor: ignore[cache-poisoning] acceptable risk for CloudFlare pages artifact
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           workspaces: "ruff"
           lookup-only: false # zizmor: ignore[cache-poisoning] acceptable risk for CloudFlare pages artifact

.github/workflows/typing_conformance.yaml

@@ -45,7 +45,7 @@ jobs:
           path: typing
           persist-credentials: false
 
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # v2.8.1
         with:
           workspaces: "ruff"
 

CHANGELOG.md

@@ -1,69 +1,5 @@
 # Changelog
 
-## 0.14.8
-
-Released on 2025-12-04.
-
-### Preview features
-
-- \[`flake8-bugbear`\] Catch `yield` expressions within other statements (`B901`) ([#21200](https://github.com/astral-sh/ruff/pull/21200))
-- \[`flake8-use-pathlib`\] Mark fixes unsafe for return type changes (`PTH104`, `PTH105`, `PTH109`, `PTH115`) ([#21440](https://github.com/astral-sh/ruff/pull/21440))
-
-### Bug fixes
-
-- Fix syntax error false positives for `await` outside functions ([#21763](https://github.com/astral-sh/ruff/pull/21763))
-- \[`flake8-simplify`\] Fix truthiness assumption for non-iterable arguments in tuple/list/set calls (`SIM222`, `SIM223`) ([#21479](https://github.com/astral-sh/ruff/pull/21479))
-
-### Documentation
-
-- Suggest using `--output-file` option in GitLab integration ([#21706](https://github.com/astral-sh/ruff/pull/21706))
-
-### Other changes
-
-- [syntax-error] Default type parameter followed by non-default type parameter ([#21657](https://github.com/astral-sh/ruff/pull/21657))
-
-### Contributors
-
-- [@kieran-ryan](https://github.com/kieran-ryan)
-- [@11happy](https://github.com/11happy)
-- [@danparizher](https://github.com/danparizher)
-- [@ntBre](https://github.com/ntBre)
-
-## 0.14.7
-
-Released on 2025-11-28.
-
-### Preview features
-
-- \[`flake8-bandit`\] Handle string literal bindings in suspicious-url-open-usage (`S310`) ([#21469](https://github.com/astral-sh/ruff/pull/21469))
-- \[`pylint`\] Fix `PLR1708` false positives on nested functions ([#21177](https://github.com/astral-sh/ruff/pull/21177))
-- \[`pylint`\] Fix suppression for empty dict without tuple key annotation (`PLE1141`) ([#21290](https://github.com/astral-sh/ruff/pull/21290))
-- \[`ruff`\] Add rule `RUF066` to detect unnecessary class properties ([#21535](https://github.com/astral-sh/ruff/pull/21535))
-- \[`ruff`\] Catch more dummy variable uses (`RUF052`) ([#19799](https://github.com/astral-sh/ruff/pull/19799))
-
-### Bug fixes
-
-- [server] Set severity for non-rule diagnostics ([#21559](https://github.com/astral-sh/ruff/pull/21559))
-- \[`flake8-implicit-str-concat`\] Avoid invalid fix in (`ISC003`) ([#21517](https://github.com/astral-sh/ruff/pull/21517))
-- \[`parser`\] Fix panic when parsing IPython escape command expressions ([#21480](https://github.com/astral-sh/ruff/pull/21480))
-
-### CLI
-
-- Show partial fixability indicator in statistics output ([#21513](https://github.com/astral-sh/ruff/pull/21513))
-
-### Contributors
-
-- [@mikeleppane](https://github.com/mikeleppane)
-- [@senekor](https://github.com/senekor)
-- [@ShaharNaveh](https://github.com/ShaharNaveh)
-- [@JumboBear](https://github.com/JumboBear)
-- [@prakhar1144](https://github.com/prakhar1144)
-- [@tsvikas](https://github.com/tsvikas)
-- [@danparizher](https://github.com/danparizher)
-- [@chirizxc](https://github.com/chirizxc)
-- [@AlexWaygood](https://github.com/AlexWaygood)
-- [@MichaReiser](https://github.com/MichaReiser)
-
 ## 0.14.6
 
 Released on 2025-11-21.

CONTRIBUTING.md

@@ -331,6 +331,13 @@ you addressed them.
 
 ## MkDocs
 
+> [!NOTE]
+>
+> The documentation uses Material for MkDocs Insiders, which is closed-source software.
+> This means only members of the Astral organization can preview the documentation exactly as it
+> will appear in production.
+> Outside contributors can still preview the documentation, but there will be some differences. Consult [the Material for MkDocs documentation](https://squidfunk.github.io/mkdocs-material/insiders/benefits/#features) for which features are exclusively available in the insiders version.
+
 To preview any changes to the documentation locally:
 
 1. Install the [Rust toolchain](https://www.rust-lang.org/tools/install).
@@ -344,7 +351,11 @@ To preview any changes to the documentation locally:
 1. Run the development server with:
 
     ```shell
-    uvx --with-requirements docs/requirements.txt -- mkdocs serve -f mkdocs.yml
+    # For contributors.
+    uvx --with-requirements docs/requirements.txt -- mkdocs serve -f mkdocs.public.yml
+
+    # For members of the Astral org, which has access to MkDocs Insiders via sponsorship.
+    uvx --with-requirements docs/requirements-insiders.txt -- mkdocs serve -f mkdocs.insiders.yml
     ```
 
 The documentation should then be available locally at

Cargo.lock

@@ -1108,7 +1108,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -1763,7 +1763,7 @@ dependencies = [
  "portable-atomic",
  "portable-atomic-util",
  "serde_core",
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -2859,7 +2859,7 @@ dependencies = [
 
 [[package]]
 name = "ruff"
-version = "0.14.8"
+version = "0.14.6"
 dependencies = [
  "anyhow",
  "argfile",
@@ -3117,14 +3117,13 @@ dependencies = [
 
 [[package]]
 name = "ruff_linter"
-version = "0.14.8"
+version = "0.14.6"
 dependencies = [
  "aho-corasick",
  "anyhow",
  "bitflags 2.10.0",
  "clap",
  "colored 3.0.0",
- "compact_str",
  "fern",
  "glob",
  "globset",
@@ -3473,7 +3472,7 @@ dependencies = [
 
 [[package]]
 name = "ruff_wasm"
-version = "0.14.8"
+version = "0.14.6"
 dependencies = [
  "console_error_panic_hook",
  "console_log",
@@ -3571,7 +3570,7 @@ dependencies = [
  "errno",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -3589,7 +3588,7 @@ checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 [[package]]
 name = "salsa"
 version = "0.24.0"
-source = "git+https://github.com/salsa-rs/salsa.git?rev=59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0#59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0"
+source = "git+https://github.com/salsa-rs/salsa.git?rev=17bc55d699565e5a1cb1bd42363b905af2f9f3e7#17bc55d699565e5a1cb1bd42363b905af2f9f3e7"
 dependencies = [
  "boxcar",
  "compact_str",
@@ -3613,12 +3612,12 @@ dependencies = [
 [[package]]
 name = "salsa-macro-rules"
 version = "0.24.0"
-source = "git+https://github.com/salsa-rs/salsa.git?rev=59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0#59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0"
+source = "git+https://github.com/salsa-rs/salsa.git?rev=17bc55d699565e5a1cb1bd42363b905af2f9f3e7#17bc55d699565e5a1cb1bd42363b905af2f9f3e7"
 
 [[package]]
 name = "salsa-macros"
 version = "0.24.0"
-source = "git+https://github.com/salsa-rs/salsa.git?rev=59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0#59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0"
+source = "git+https://github.com/salsa-rs/salsa.git?rev=17bc55d699565e5a1cb1bd42363b905af2f9f3e7#17bc55d699565e5a1cb1bd42363b905af2f9f3e7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -3972,7 +3971,7 @@ dependencies = [
  "getrandom 0.3.4",
  "once_cell",
  "rustix",
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -4217,9 +4216,9 @@ checksum = "df8b2b54733674ad286d16267dcfc7a71ed5c776e4ac7aa3c3e2561f7c637bf2"
 
 [[package]]
 name = "tracing"
-version = "0.1.43"
+version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d15d90a0b5c19378952d479dc858407149d7bb45a14de0142f6c534b16fc647"
+checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
 dependencies = [
  "log",
  "pin-project-lite",
@@ -4229,9 +4228,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-attributes"
-version = "0.1.31"
+version = "0.1.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
+checksum = "81383ab64e72a7a8b8e13130c49e3dab29def6d0c7d76a03087b3cf71c5c6903"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4240,9 +4239,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-core"
-version = "0.1.35"
+version = "0.1.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a04e24fab5c89c6a36eb8558c9656f30d81de51dfa4d3b45f26b21d61fa0a6c"
+checksum = "b9d12581f227e93f094d3af2ae690a574abb8a2b9b7a96e7cfe9647b2b617678"
 dependencies = [
  "once_cell",
  "valuable",
@@ -4284,9 +4283,9 @@ dependencies = [
 
 [[package]]
 name = "tracing-subscriber"
-version = "0.3.22"
+version = "0.3.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f30143827ddab0d256fd843b7a66d164e9f271cfa0dde49142c5ca0ca291f1e"
+checksum = "2054a14f5307d601f88daf0553e1cbf472acc4f2c51afab632431cdcd72124d5"
 dependencies = [
  "chrono",
  "matchers",
@@ -4557,7 +4556,6 @@ dependencies = [
  "anyhow",
  "camino",
  "colored 3.0.0",
- "dunce",
  "insta",
  "memchr",
  "path-slash",
@@ -5026,7 +5024,7 @@ version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]

Cargo.toml

@@ -146,7 +146,7 @@ regex-automata = { version = "0.4.9" }
 rustc-hash = { version = "2.0.0" }
 rustc-stable-hash = { version = "0.1.2" }
 # When updating salsa, make sure to also update the revision in `fuzz/Cargo.toml`
-salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "59aa1075e837f5deb0d6ffb24b68fedc0f4bc5e0", default-features = false, features = [
+salsa = { git = "https://github.com/salsa-rs/salsa.git", rev = "17bc55d699565e5a1cb1bd42363b905af2f9f3e7", default-features = false, features = [
     "compact_str",
     "macros",
     "salsa_unstable",
@@ -272,12 +272,6 @@ large_stack_arrays = "allow"
 lto = "fat"
 codegen-units = 16
 
-# Profile to build a minimally sized binary for ruff/ty
-[profile.minimal-size]
-inherits = "release"
-opt-level = "z"
-codegen-units = 1
-
 # Some crates don't change as much but benefit more from
 # more expensive optimization passes, so we selectively
 # decrease codegen-units in some cases.

README.md

@@ -147,8 +147,8 @@ curl -LsSf https://astral.sh/ruff/install.sh | sh
 powershell -c "irm https://astral.sh/ruff/install.ps1 | iex"
 
 # For a specific version.
-curl -LsSf https://astral.sh/ruff/0.14.8/install.sh | sh
-powershell -c "irm https://astral.sh/ruff/0.14.8/install.ps1 | iex"
+curl -LsSf https://astral.sh/ruff/0.14.6/install.sh | sh
+powershell -c "irm https://astral.sh/ruff/0.14.6/install.ps1 | iex"
 ```
 
 You can also install Ruff via [Homebrew](https://formulae.brew.sh/formula/ruff), [Conda](https://anaconda.org/conda-forge/ruff),
@@ -181,7 +181,7 @@ Ruff can also be used as a [pre-commit](https://pre-commit.com/) hook via [`ruff
 ```yaml
 - repo: https://github.com/astral-sh/ruff-pre-commit
   # Ruff version.
-  rev: v0.14.8
+  rev: v0.14.6
   hooks:
     # Run the linter.
     - id: ruff-check

crates/ruff/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff"
-version = "0.14.8"
+version = "0.14.6"
 publish = true
 authors = { workspace = true }
 edition = { workspace = true }

crates/ruff/tests/cli/lint.rs

@@ -1440,78 +1440,6 @@ def function():
     Ok(())
 }
 
-#[test]
-fn ignore_noqa() -> Result<()> {
-    let fixture = CliTest::new()?;
-    fixture.write_file(
-        "ruff.toml",
-        r#"
-[lint]
-select = ["F401"]
-"#,
-    )?;
-
-    fixture.write_file(
-        "noqa.py",
-        r#"
-import os  # noqa: F401
-
-# ruff: disable[F401]
-import sys
-"#,
-    )?;
-
-    // without --ignore-noqa
-    assert_cmd_snapshot!(fixture
-        .check_command()
-        .args(["--config", "ruff.toml"])
-        .arg("noqa.py"),
-        @r"
-    success: false
-    exit_code: 1
-    ----- stdout -----
-    noqa.py:5:8: F401 [*] `sys` imported but unused
-    Found 1 error.
-    [*] 1 fixable with the `--fix` option.
-
-    ----- stderr -----
-    ");
-
-    assert_cmd_snapshot!(fixture
-        .check_command()
-        .args(["--config", "ruff.toml"])
-        .arg("noqa.py")
-        .args(["--preview"]),
-        @r"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-    All checks passed!
-
-    ----- stderr -----
-    ");
-
-    // with --ignore-noqa --preview
-    assert_cmd_snapshot!(fixture
-        .check_command()
-        .args(["--config", "ruff.toml"])
-        .arg("noqa.py")
-        .args(["--ignore-noqa", "--preview"]),
-        @r"
-    success: false
-    exit_code: 1
-    ----- stdout -----
-    noqa.py:2:8: F401 [*] `os` imported but unused
-    noqa.py:5:8: F401 [*] `sys` imported but unused
-    Found 2 errors.
-    [*] 2 fixable with the `--fix` option.
-
-    ----- stderr -----
-    ");
-
-    Ok(())
-}
-
 #[test]
 fn add_noqa() -> Result<()> {
     let fixture = CliTest::new()?;
@@ -1704,100 +1632,6 @@ def unused(x):  # noqa: ANN001, ARG001, D103
     Ok(())
 }
 
-#[test]
-fn add_noqa_existing_file_level_noqa() -> Result<()> {
-    let fixture = CliTest::new()?;
-    fixture.write_file(
-        "ruff.toml",
-        r#"
-[lint]
-select = ["F401"]
-"#,
-    )?;
-
-    fixture.write_file(
-        "noqa.py",
-        r#"
-# ruff: noqa F401
-import os
-"#,
-    )?;
-
-    assert_cmd_snapshot!(fixture
-        .check_command()
-        .args(["--config", "ruff.toml"])
-        .arg("noqa.py")
-        .arg("--preview")
-        .args(["--add-noqa"])
-        .arg("-")
-        .pass_stdin(r#"
-
-"#), @r"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-
-    ----- stderr -----
-    ");
-
-    let test_code =
-        fs::read_to_string(fixture.root().join("noqa.py")).expect("should read test file");
-
-    insta::assert_snapshot!(test_code, @r"
-    # ruff: noqa F401
-    import os
-    ");
-
-    Ok(())
-}
-
-#[test]
-fn add_noqa_existing_range_suppression() -> Result<()> {
-    let fixture = CliTest::new()?;
-    fixture.write_file(
-        "ruff.toml",
-        r#"
-[lint]
-select = ["F401"]
-"#,
-    )?;
-
-    fixture.write_file(
-        "noqa.py",
-        r#"
-# ruff: disable[F401]
-import os
-"#,
-    )?;
-
-    assert_cmd_snapshot!(fixture
-        .check_command()
-        .args(["--config", "ruff.toml"])
-        .arg("noqa.py")
-        .arg("--preview")
-        .args(["--add-noqa"])
-        .arg("-")
-        .pass_stdin(r#"
-
-"#), @r"
-    success: true
-    exit_code: 0
-    ----- stdout -----
-
-    ----- stderr -----
-    ");
-
-    let test_code =
-        fs::read_to_string(fixture.root().join("noqa.py")).expect("should read test file");
-
-    insta::assert_snapshot!(test_code, @r"
-    # ruff: disable[F401]
-    import os
-    ");
-
-    Ok(())
-}
-
 #[test]
 fn add_noqa_multiline_comment() -> Result<()> {
     let fixture = CliTest::new()?;

crates/ruff_benchmark/benches/lexer.rs

@@ -6,8 +6,7 @@ use criterion::{
 use ruff_benchmark::{
     LARGE_DATASET, NUMPY_CTYPESLIB, NUMPY_GLOBALS, PYDANTIC_TYPES, TestCase, UNICODE_PYPINYIN,
 };
-use ruff_python_ast::token::TokenKind;
-use ruff_python_parser::{Mode, lexer};
+use ruff_python_parser::{Mode, TokenKind, lexer};
 
 #[cfg(target_os = "windows")]
 #[global_allocator]

crates/ruff_benchmark/benches/ty_walltime.rs

@@ -120,7 +120,7 @@ static COLOUR_SCIENCE: Benchmark = Benchmark::new(
         max_dep_date: "2025-06-17",
         python_version: PythonVersion::PY310,
     },
-    1070,
+    600,
 );
 
 static FREQTRADE: Benchmark = Benchmark::new(

crates/ruff_db/src/diagnostic/mod.rs

@@ -166,8 +166,28 @@ impl Diagnostic {
     /// Returns the primary message for this diagnostic.
     ///
     /// A diagnostic always has a message, but it may be empty.
+    ///
+    /// NOTE: At present, this routine will return the first primary
+    /// annotation's message as the primary message when the main diagnostic
+    /// message is empty. This is meant to facilitate an incremental migration
+    /// in ty over to the new diagnostic data model. (The old data model
+    /// didn't distinguish between messages on the entire diagnostic and
+    /// messages attached to a particular span.)
     pub fn primary_message(&self) -> &str {
-        self.inner.message.as_str()
+        if !self.inner.message.as_str().is_empty() {
+            return self.inner.message.as_str();
+        }
+        // FIXME: As a special case, while we're migrating ty
+        // to the new diagnostic data model, we'll look for a primary
+        // message from the primary annotation. This is because most
+        // ty diagnostics are created with an empty diagnostic
+        // message and instead attach the message to the annotation.
+        // Fixing this will require touching basically every diagnostic
+        // in ty, so we do it this way for now to match the old
+        // semantics. ---AG
+        self.primary_annotation()
+            .and_then(|ann| ann.get_message())
+            .unwrap_or_default()
     }
 
     /// Introspects this diagnostic and returns what kind of "primary" message
@@ -179,6 +199,18 @@ impl Diagnostic {
     /// contains *essential* information or context for understanding the
     /// diagnostic.
     ///
+    /// The reason why we don't just always return both the main diagnostic
+    /// message and the primary annotation message is because this was written
+    /// in the midst of an incremental migration of ty over to the new
+    /// diagnostic data model. At time of writing, diagnostics were still
+    /// constructed in the old model where the main diagnostic message and the
+    /// primary annotation message were not distinguished from each other. So
+    /// for now, we carefully return what kind of messages this diagnostic
+    /// contains. In effect, if this diagnostic has a non-empty main message
+    /// *and* a non-empty primary annotation message, then the diagnostic is
+    /// 100% using the new diagnostic data model and we can format things
+    /// appropriately.
+    ///
     /// The type returned implements the `std::fmt::Display` trait. In most
     /// cases, just converting it to a string (or printing it) will do what
     /// you want.
@@ -192,10 +224,11 @@ impl Diagnostic {
             .primary_annotation()
             .and_then(|ann| ann.get_message())
             .unwrap_or_default();
-        if annotation.is_empty() {
-            ConciseMessage::MainDiagnostic(main)
-        } else {
-            ConciseMessage::Both { main, annotation }
+        match (main.is_empty(), annotation.is_empty()) {
+            (false, true) => ConciseMessage::MainDiagnostic(main),
+            (true, false) => ConciseMessage::PrimaryAnnotation(annotation),
+            (false, false) => ConciseMessage::Both { main, annotation },
+            (true, true) => ConciseMessage::Empty,
         }
     }
 
@@ -321,13 +354,6 @@ impl Diagnostic {
         Arc::make_mut(&mut self.inner).fix = Some(fix);
     }
 
-    /// If `fix` is `Some`, set the fix for this diagnostic.
-    pub fn set_optional_fix(&mut self, fix: Option<Fix>) {
-        if let Some(fix) = fix {
-            self.set_fix(fix);
-        }
-    }
-
     /// Remove the fix for this diagnostic.
     pub fn remove_fix(&mut self) {
         Arc::make_mut(&mut self.inner).fix = None;
@@ -660,6 +686,18 @@ impl SubDiagnostic {
     /// contains *essential* information or context for understanding the
     /// diagnostic.
     ///
+    /// The reason why we don't just always return both the main diagnostic
+    /// message and the primary annotation message is because this was written
+    /// in the midst of an incremental migration of ty over to the new
+    /// diagnostic data model. At time of writing, diagnostics were still
+    /// constructed in the old model where the main diagnostic message and the
+    /// primary annotation message were not distinguished from each other. So
+    /// for now, we carefully return what kind of messages this diagnostic
+    /// contains. In effect, if this diagnostic has a non-empty main message
+    /// *and* a non-empty primary annotation message, then the diagnostic is
+    /// 100% using the new diagnostic data model and we can format things
+    /// appropriately.
+    ///
     /// The type returned implements the `std::fmt::Display` trait. In most
     /// cases, just converting it to a string (or printing it) will do what
     /// you want.
@@ -669,10 +707,11 @@ impl SubDiagnostic {
             .primary_annotation()
             .and_then(|ann| ann.get_message())
             .unwrap_or_default();
-        if annotation.is_empty() {
-            ConciseMessage::MainDiagnostic(main)
-        } else {
-            ConciseMessage::Both { main, annotation }
+        match (main.is_empty(), annotation.is_empty()) {
+            (false, true) => ConciseMessage::MainDiagnostic(main),
+            (true, false) => ConciseMessage::PrimaryAnnotation(annotation),
+            (false, false) => ConciseMessage::Both { main, annotation },
+            (true, true) => ConciseMessage::Empty,
         }
     }
 }
@@ -842,10 +881,6 @@ impl Annotation {
     pub fn hide_snippet(&mut self, yes: bool) {
         self.hide_snippet = yes;
     }
-
-    pub fn is_primary(&self) -> bool {
-        self.is_primary
-    }
 }
 
 /// Tags that can be associated with an annotation.
@@ -1466,10 +1501,28 @@ pub enum DiagnosticFormat {
 pub enum ConciseMessage<'a> {
     /// A diagnostic contains a non-empty main message and an empty
     /// primary annotation message.
+    ///
+    /// This strongly suggests that the diagnostic is using the
+    /// "new" data model.
     MainDiagnostic(&'a str),
+    /// A diagnostic contains an empty main message and a non-empty
+    /// primary annotation message.
+    ///
+    /// This strongly suggests that the diagnostic is using the
+    /// "old" data model.
+    PrimaryAnnotation(&'a str),
     /// A diagnostic contains a non-empty main message and a non-empty
     /// primary annotation message.
+    ///
+    /// This strongly suggests that the diagnostic is using the
+    /// "new" data model.
     Both { main: &'a str, annotation: &'a str },
+    /// A diagnostic contains an empty main message and an empty
+    /// primary annotation message.
+    ///
+    /// This indicates that the diagnostic is probably using the old
+    /// model.
+    Empty,
     /// A custom concise message has been provided.
     Custom(&'a str),
 }
@@ -1480,9 +1533,13 @@ impl std::fmt::Display for ConciseMessage<'_> {
             ConciseMessage::MainDiagnostic(main) => {
                 write!(f, "{main}")
             }
+            ConciseMessage::PrimaryAnnotation(annotation) => {
+                write!(f, "{annotation}")
+            }
             ConciseMessage::Both { main, annotation } => {
                 write!(f, "{main}: {annotation}")
             }
+            ConciseMessage::Empty => Ok(()),
             ConciseMessage::Custom(message) => {
                 write!(f, "{message}")
             }

crates/ruff_db/src/parsed.rs

@@ -21,11 +21,7 @@ use crate::source::source_text;
 /// reflected in the changed AST offsets.
 /// The other reason is that Ruff's AST doesn't implement `Eq` which Salsa requires
 /// for determining if a query result is unchanged.
-///
-/// The LRU capacity of 200 was picked without any empirical evidence that it's optimal,
-/// instead it's a wild guess that it should be unlikely that incremental changes involve
-/// more than 200 modules. Parsed ASTs within the same revision are never evicted by Salsa.
-#[salsa::tracked(returns(ref), no_eq, heap_size=ruff_memory_usage::heap_size, lru=200)]
+#[salsa::tracked(returns(ref), no_eq, heap_size=ruff_memory_usage::heap_size)]
 pub fn parsed_module(db: &dyn Db, file: File) -> ParsedModule {
     let _span = tracing::trace_span!("parsed_module", ?file).entered();
 
@@ -96,9 +92,14 @@ impl ParsedModule {
         self.inner.store(None);
     }
 
-    /// Returns the file to which this module belongs.
-    pub fn file(&self) -> File {
-        self.file
+    /// Returns the pointer address of this [`ParsedModule`].
+    ///
+    /// The pointer uniquely identifies the module within the current Salsa revision,
+    /// regardless of whether particular [`ParsedModuleRef`] instances are garbage collected.
+    pub fn addr(&self) -> usize {
+        // Note that the outer `Arc` in `inner` is stable across garbage collection, while the inner
+        // `Arc` within the `ArcSwap` may change.
+        Arc::as_ptr(&self.inner).addr()
     }
 }
 

crates/ruff_db/src/system/path.rs

@@ -667,13 +667,6 @@ impl Deref for SystemPathBuf {
     }
 }
 
-impl AsRef<Path> for SystemPathBuf {
-    #[inline]
-    fn as_ref(&self) -> &Path {
-        self.0.as_std_path()
-    }
-}
-
 impl<P: AsRef<SystemPath>> FromIterator<P> for SystemPathBuf {
     fn from_iter<I: IntoIterator<Item = P>>(iter: I) -> Self {
         let mut buf = SystemPathBuf::new();

crates/ruff_diagnostics/src/fix.rs

@@ -149,10 +149,6 @@ impl Fix {
         &self.edits
     }
 
-    pub fn into_edits(self) -> Vec<Edit> {
-        self.edits
-    }
-
     /// Return the [`Applicability`] of the [`Fix`].
     pub fn applicability(&self) -> Applicability {
         self.applicability

crates/ruff_graph/src/lib.rs

@@ -49,7 +49,7 @@ impl ModuleImports {
         // Resolve the imports.
         let mut resolved_imports = ModuleImports::default();
         for import in imports {
-            for resolved in Resolver::new(db, path).resolve(import) {
+            for resolved in Resolver::new(db).resolve(import) {
                 if let Some(path) = resolved.as_system_path() {
                     resolved_imports.insert(path.to_path_buf());
                 }

crates/ruff_graph/src/resolver.rs

@@ -1,9 +1,5 @@
-use ruff_db::files::{File, FilePath, system_path_to_file};
-use ruff_db::system::SystemPath;
-use ty_python_semantic::{
-    ModuleName, resolve_module, resolve_module_confident, resolve_real_module,
-    resolve_real_module_confident,
-};
+use ruff_db::files::FilePath;
+use ty_python_semantic::{ModuleName, resolve_module, resolve_real_module};
 
 use crate::ModuleDb;
 use crate::collector::CollectedImport;
@@ -11,15 +7,12 @@ use crate::collector::CollectedImport;
 /// Collect all imports for a given Python file.
 pub(crate) struct Resolver<'a> {
     db: &'a ModuleDb,
-    file: Option<File>,
 }
 
 impl<'a> Resolver<'a> {
     /// Initialize a [`Resolver`] with a given [`ModuleDb`].
-    pub(crate) fn new(db: &'a ModuleDb, path: &SystemPath) -> Self {
-        // If we know the importing file we can potentially resolve more imports
-        let file = system_path_to_file(db, path).ok();
-        Self { db, file }
+    pub(crate) fn new(db: &'a ModuleDb) -> Self {
+        Self { db }
     }
 
     /// Resolve the [`CollectedImport`] into a [`FilePath`].
@@ -77,21 +70,13 @@ impl<'a> Resolver<'a> {
 
     /// Resolves a module name to a module.
     pub(crate) fn resolve_module(&self, module_name: &ModuleName) -> Option<&'a FilePath> {
-        let module = if let Some(file) = self.file {
-            resolve_module(self.db, file, module_name)?
-        } else {
-            resolve_module_confident(self.db, module_name)?
-        };
+        let module = resolve_module(self.db, module_name)?;
         Some(module.file(self.db)?.path(self.db))
     }
 
     /// Resolves a module name to a module (stubs not allowed).
     fn resolve_real_module(&self, module_name: &ModuleName) -> Option<&'a FilePath> {
-        let module = if let Some(file) = self.file {
-            resolve_real_module(self.db, file, module_name)?
-        } else {
-            resolve_real_module_confident(self.db, module_name)?
-        };
+        let module = resolve_real_module(self.db, module_name)?;
         Some(module.file(self.db)?.path(self.db))
     }
 }

crates/ruff_linter/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff_linter"
-version = "0.14.8"
+version = "0.14.6"
 publish = false
 authors = { workspace = true }
 edition = { workspace = true }
@@ -35,7 +35,6 @@ anyhow = { workspace = true }
 bitflags = { workspace = true }
 clap = { workspace = true, features = ["derive", "string"], optional = true }
 colored = { workspace = true }
-compact_str = { workspace = true }
 fern = { workspace = true }
 glob = { workspace = true }
 globset = { workspace = true }

crates/ruff_linter/resources/test/fixtures/flake8_bandit/S506.py

@@ -28,11 +28,9 @@ yaml.load("{}", SafeLoader)
 yaml.load("{}", yaml.SafeLoader)
 yaml.load("{}", CSafeLoader)
 yaml.load("{}", yaml.CSafeLoader)
-yaml.load("{}", yaml.cyaml.CSafeLoader)
 yaml.load("{}", NewSafeLoader)
 yaml.load("{}", Loader=SafeLoader)
 yaml.load("{}", Loader=yaml.SafeLoader)
 yaml.load("{}", Loader=CSafeLoader)
 yaml.load("{}", Loader=yaml.CSafeLoader)
-yaml.load("{}", Loader=yaml.cyaml.CSafeLoader)
 yaml.load("{}", Loader=NewSafeLoader)

crates/ruff_linter/resources/test/fixtures/flake8_bugbear/B006_B008.py

@@ -199,9 +199,6 @@ def bytes_okay(value=bytes(1)):
 def int_okay(value=int("12")):
     pass
 
-# Allow immutable slice()
-def slice_okay(value=slice(1,2)):
-    pass
 
 # Allow immutable complex() value
 def complex_okay(value=complex(1,2)):

crates/ruff_linter/resources/test/fixtures/flake8_bugbear/B901.py

@@ -52,16 +52,16 @@ def not_broken5():
     yield inner()
 
 
-def broken3():
+def not_broken6():
     return (yield from [])
 
 
-def broken4():
+def not_broken7():
     x = yield from []
     return x
 
 
-def broken5():
+def not_broken8():
     x = None
 
     def inner(ex):
@@ -76,13 +76,3 @@ class NotBroken9(object):
     def __await__(self):
         yield from function()
         return 42
-
-
-async def broken6():
-    yield 1
-    return foo()
-
-
-async def broken7():
-    yield 1
-    return [1, 2, 3]

crates/ruff_linter/resources/test/fixtures/flake8_simplify/SIM222.py

@@ -216,15 +216,3 @@ def get_items_list():
 
 def get_items_set():
     return tuple({item for item in items}) or None  # OK
-
-
-# https://github.com/astral-sh/ruff/issues/21473
-tuple("") or True  # SIM222
-tuple(t"") or True  # OK
-tuple(0) or True  # OK
-tuple(1) or True  # OK
-tuple(False) or True  # OK
-tuple(None) or True  # OK
-tuple(...) or True  # OK
-tuple(lambda x: x) or True  # OK
-tuple(x for x in range(0)) or True  # OK

crates/ruff_linter/resources/test/fixtures/flake8_simplify/SIM223.py

@@ -157,15 +157,3 @@ print(f"{1}{''}" and "bar")
 
 # https://github.com/astral-sh/ruff/issues/7127
 def f(a: "'' and 'b'"): ...
-
-
-# https://github.com/astral-sh/ruff/issues/21473
-tuple("") and False  # SIM223
-tuple(t"") and False  # OK
-tuple(0) and False  # OK
-tuple(1) and False  # OK
-tuple(False) and False  # OK
-tuple(None) and False  # OK
-tuple(...) and False  # OK
-tuple(lambda x: x) and False  # OK
-tuple(x for x in range(0)) and False  # OK

crates/ruff_linter/resources/test/fixtures/pydocstyle/D417.py

@@ -218,26 +218,3 @@ def should_not_fail(payload, Args):
         Args:
             The other arguments.
     """
-
-
-# Test cases for Unpack[TypedDict] kwargs
-from typing import TypedDict
-from typing_extensions import Unpack
-
-class User(TypedDict):
-    id: int
-    name: str
-
-def function_with_unpack_args_should_not_fail(query: str, **kwargs: Unpack[User]):
-    """Function with Unpack kwargs.
-
-    Args:
-        query: some arg
-    """
-
-def function_with_unpack_and_missing_arg_doc_should_fail(query: str, **kwargs: Unpack[User]):
-    """Function with Unpack kwargs but missing query arg documentation.
-
-    Args:
-        **kwargs: keyword arguments
-    """

crates/ruff_linter/resources/test/fixtures/pyflakes/F704.py

@@ -17,24 +17,3 @@ def _():
 
     # Valid yield scope
     yield 3
-
-
-# await is valid in any generator, sync or async
-(await cor async for cor in f())  # ok
-(await cor for cor in f())  # ok
-
-# but not in comprehensions
-[await cor async for cor in f()]  # F704
-{await cor async for cor in f()}  # F704
-{await cor: 1 async for cor in f()}  # F704
-[await cor for cor in f()]  # F704
-{await cor for cor in f()}  # F704
-{await cor: 1 for cor in f()}  # F704
-
-# or in the iterator of an async generator, which is evaluated in the parent
-# scope
-(cor async for cor in await f())  # F704
-(await cor async for cor in [await c for c in f()])  # F704
-
-# this is also okay because the comprehension is within the generator scope
-([await c for c in cor] async for cor in f())  # ok

crates/ruff_linter/resources/test/fixtures/ruff/suppressions.py

@@ -1,56 +0,0 @@
-def f():
-    # These should both be ignored by the range suppression.
-    # ruff: disable[E741, F841]
-    I = 1
-    # ruff: enable[E741, F841]
-
-
-def f():
-    # These should both be ignored by the implicit range suppression.
-    # Should also generate an "unmatched suppression" warning.
-    # ruff:disable[E741,F841]
-    I = 1
-
-
-def f():
-    # Neither warning is ignored, and an "unmatched suppression"
-    # should be generated.
-    I = 1
-    # ruff: enable[E741, F841]
-
-
-def f():
-    # One should be ignored by the range suppression, and
-    # the other logged to the user.
-    # ruff: disable[E741]
-    I = 1
-    # ruff: enable[E741]
-
-
-def f():
-    # Test interleaved range suppressions. The first and last
-    # lines should each log a different warning, while the
-    # middle line should be completely silenced.
-    # ruff: disable[E741]
-    l = 0
-    # ruff: disable[F841]
-    O = 1
-    # ruff: enable[E741]
-    I = 2
-    # ruff: enable[F841]
-
-
-def f():
-    # Neither of these are ignored and warnings are
-    # logged to user
-    # ruff: disable[E501]
-    I = 1
-    # ruff: enable[E501]
-
-
-def f():
-    # These should both be ignored by the range suppression,
-    # and an unusued noqa diagnostic should be logged.
-    # ruff:disable[E741,F841]
-    I = 1  # noqa: E741,F841
-    # ruff:enable[E741,F841]

crates/ruff_linter/resources/test/fixtures/syntax_errors/await_outside_async_function.py

@@ -3,5 +3,3 @@ def func():
 
 # Top-level await
 await 1
-
-([await c for c in cor] async for cor in func())  # ok

crates/ruff_linter/resources/test/fixtures/syntax_errors/return_in_generator.py

@@ -1,24 +0,0 @@
-async def gen():
-    yield 1
-    return 42
-
-def gen(): # B901 but not a syntax error - not an async generator
-    yield 1
-    return 42
-
-async def gen(): # ok - no value in return
-    yield 1
-    return
-
-async def gen():
-    yield 1
-    return foo()
-
-async def gen():
-    yield 1
-    return [1, 2, 3]
-
-async def gen():
-    if True:
-        yield 1
-    return 10

crates/ruff_linter/src/checkers/ast/mod.rs

@@ -35,7 +35,6 @@ use ruff_python_ast::helpers::{collect_import_from_member, is_docstring_stmt, to
 use ruff_python_ast::identifier::Identifier;
 use ruff_python_ast::name::QualifiedName;
 use ruff_python_ast::str::Quote;
-use ruff_python_ast::token::Tokens;
 use ruff_python_ast::visitor::{Visitor, walk_except_handler, walk_pattern};
 use ruff_python_ast::{
     self as ast, AnyParameterRef, ArgOrKeyword, Comprehension, ElifElseClause, ExceptHandler, Expr,
@@ -49,7 +48,7 @@ use ruff_python_parser::semantic_errors::{
     SemanticSyntaxChecker, SemanticSyntaxContext, SemanticSyntaxError, SemanticSyntaxErrorKind,
 };
 use ruff_python_parser::typing::{AnnotationKind, ParsedAnnotation, parse_type_annotation};
-use ruff_python_parser::{ParseError, Parsed};
+use ruff_python_parser::{ParseError, Parsed, Tokens};
 use ruff_python_semantic::all::{DunderAllDefinition, DunderAllFlags};
 use ruff_python_semantic::analyze::{imports, typing};
 use ruff_python_semantic::{
@@ -69,7 +68,6 @@ use crate::noqa::NoqaMapping;
 use crate::package::PackageRoot;
 use crate::preview::is_undefined_export_in_dunder_init_enabled;
 use crate::registry::Rule;
-use crate::rules::flake8_bugbear::rules::ReturnInGenerator;
 use crate::rules::pyflakes::rules::{
     LateFutureImport, MultipleStarredExpressions, ReturnOutsideFunction,
     UndefinedLocalWithNestedImportStarUsage, YieldOutsideFunction,
@@ -730,12 +728,6 @@ impl SemanticSyntaxContext for Checker<'_> {
                     self.report_diagnostic(NonlocalWithoutBinding { name }, error.range);
                 }
             }
-            SemanticSyntaxErrorKind::ReturnInGenerator => {
-                // B901
-                if self.is_rule_enabled(Rule::ReturnInGenerator) {
-                    self.report_diagnostic(ReturnInGenerator, error.range);
-                }
-            }
             SemanticSyntaxErrorKind::ReboundComprehensionVariable
             | SemanticSyntaxErrorKind::DuplicateTypeParameter
             | SemanticSyntaxErrorKind::MultipleCaseAssignment(_)
@@ -754,7 +746,6 @@ impl SemanticSyntaxContext for Checker<'_> {
             | SemanticSyntaxErrorKind::LoadBeforeNonlocalDeclaration { .. }
             | SemanticSyntaxErrorKind::NonlocalAndGlobal(_)
             | SemanticSyntaxErrorKind::AnnotatedGlobal(_)
-            | SemanticSyntaxErrorKind::TypeParameterDefaultOrder(_)
             | SemanticSyntaxErrorKind::AnnotatedNonlocal(_) => {
                 self.semantic_errors.borrow_mut().push(error);
             }
@@ -788,10 +779,6 @@ impl SemanticSyntaxContext for Checker<'_> {
             match scope.kind {
                 ScopeKind::Class(_) => return false,
                 ScopeKind::Function(_) | ScopeKind::Lambda(_) => return true,
-                ScopeKind::Generator {
-                    kind: GeneratorKind::Generator,
-                    ..
-                } => return true,
                 ScopeKind::Generator { .. }
                 | ScopeKind::Module
                 | ScopeKind::Type
@@ -841,19 +828,14 @@ impl SemanticSyntaxContext for Checker<'_> {
         self.source_type.is_ipynb()
     }
 
-    fn in_generator_context(&self) -> bool {
-        for scope in self.semantic.current_scopes() {
-            if matches!(
-                scope.kind,
-                ScopeKind::Generator {
-                    kind: GeneratorKind::Generator,
-                    ..
-                }
-            ) {
-                return true;
+    fn in_generator_scope(&self) -> bool {
+        matches!(
+            &self.semantic.current_scope().kind,
+            ScopeKind::Generator {
+                kind: GeneratorKind::Generator,
+                ..
             }
-        }
-        false
+        )
     }
 
     fn in_loop_context(&self) -> bool {

crates/ruff_linter/src/checkers/logical_lines.rs

@@ -1,6 +1,6 @@
-use ruff_python_ast::token::{TokenKind, Tokens};
 use ruff_python_codegen::Stylist;
 use ruff_python_index::Indexer;
+use ruff_python_parser::{TokenKind, Tokens};
 use ruff_source_file::LineRanges;
 use ruff_text_size::{Ranged, TextRange};
 

crates/ruff_linter/src/checkers/noqa.rs

@@ -12,20 +12,17 @@ use crate::fix::edits::delete_comment;
 use crate::noqa::{
     Code, Directive, FileExemption, FileNoqaDirectives, NoqaDirectives, NoqaMapping,
 };
-use crate::preview::is_range_suppressions_enabled;
 use crate::registry::Rule;
 use crate::rule_redirects::get_redirect_target;
 use crate::rules::pygrep_hooks;
 use crate::rules::ruff;
 use crate::rules::ruff::rules::{UnusedCodes, UnusedNOQA};
 use crate::settings::LinterSettings;
-use crate::suppression::Suppressions;
 use crate::{Edit, Fix, Locator};
 
 use super::ast::LintContext;
 
 /// RUF100
-#[expect(clippy::too_many_arguments)]
 pub(crate) fn check_noqa(
     context: &mut LintContext,
     path: &Path,
@@ -34,7 +31,6 @@ pub(crate) fn check_noqa(
     noqa_line_for: &NoqaMapping,
     analyze_directives: bool,
     settings: &LinterSettings,
-    suppressions: &Suppressions,
 ) -> Vec<usize> {
     // Identify any codes that are globally exempted (within the current file).
     let file_noqa_directives =
@@ -44,7 +40,7 @@ pub(crate) fn check_noqa(
     let mut noqa_directives =
         NoqaDirectives::from_commented_ranges(comment_ranges, &settings.external, path, locator);
 
-    if file_noqa_directives.is_empty() && noqa_directives.is_empty() && suppressions.is_empty() {
+    if file_noqa_directives.is_empty() && noqa_directives.is_empty() {
         return Vec::new();
     }
 
@@ -64,19 +60,11 @@ pub(crate) fn check_noqa(
             continue;
         }
 
-        // Apply file-level suppressions first
         if exemption.contains_secondary_code(code) {
             ignored_diagnostics.push(index);
             continue;
         }
 
-        // Apply ranged suppressions next
-        if is_range_suppressions_enabled(settings) && suppressions.check_diagnostic(diagnostic) {
-            ignored_diagnostics.push(index);
-            continue;
-        }
-
-        // Apply end-of-line noqa suppressions last
         let noqa_offsets = diagnostic
             .parent()
             .into_iter()

crates/ruff_linter/src/checkers/tokens.rs

@@ -4,9 +4,9 @@ use std::path::Path;
 
 use ruff_notebook::CellOffsets;
 use ruff_python_ast::PySourceType;
-use ruff_python_ast::token::Tokens;
 use ruff_python_codegen::Stylist;
 use ruff_python_index::Indexer;
+use ruff_python_parser::Tokens;
 
 use crate::Locator;
 use crate::directives::TodoComment;

crates/ruff_linter/src/directives.rs

@@ -5,8 +5,8 @@ use std::str::FromStr;
 
 use bitflags::bitflags;
 
-use ruff_python_ast::token::{TokenKind, Tokens};
 use ruff_python_index::Indexer;
+use ruff_python_parser::{TokenKind, Tokens};
 use ruff_python_trivia::CommentRanges;
 use ruff_source_file::LineRanges;
 use ruff_text_size::{Ranged, TextLen, TextRange, TextSize};

crates/ruff_linter/src/doc_lines.rs

@@ -5,8 +5,8 @@ use std::iter::FusedIterator;
 use std::slice::Iter;
 
 use ruff_python_ast::statement_visitor::{StatementVisitor, walk_stmt};
-use ruff_python_ast::token::{Token, TokenKind, Tokens};
 use ruff_python_ast::{self as ast, Stmt, Suite};
+use ruff_python_parser::{Token, TokenKind, Tokens};
 use ruff_source_file::UniversalNewlineIterator;
 use ruff_text_size::{Ranged, TextSize};
 

crates/ruff_linter/src/importer/mod.rs

@@ -9,11 +9,10 @@ use anyhow::Result;
 use libcst_native as cst;
 
 use ruff_diagnostics::Edit;
-use ruff_python_ast::token::Tokens;
 use ruff_python_ast::{self as ast, Expr, ModModule, Stmt};
 use ruff_python_codegen::Stylist;
 use ruff_python_importer::Insertion;
-use ruff_python_parser::Parsed;
+use ruff_python_parser::{Parsed, Tokens};
 use ruff_python_semantic::{
     ImportedName, MemberNameImport, ModuleNameImport, NameImport, SemanticModel,
 };

crates/ruff_linter/src/lib.rs

@@ -46,7 +46,6 @@ pub mod rule_selector;
 pub mod rules;
 pub mod settings;
 pub mod source_kind;
-pub mod suppression;
 mod text_helpers;
 pub mod upstream_categories;
 mod violation;

crates/ruff_linter/src/linter.rs

@@ -32,7 +32,6 @@ use crate::rules::ruff::rules::test_rules::{self, TEST_RULES, TestRule};
 use crate::settings::types::UnsafeFixes;
 use crate::settings::{LinterSettings, TargetVersion, flags};
 use crate::source_kind::SourceKind;
-use crate::suppression::Suppressions;
 use crate::{Locator, directives, fs};
 
 pub(crate) mod float;
@@ -129,7 +128,6 @@ pub fn check_path(
     source_type: PySourceType,
     parsed: &Parsed<ModModule>,
     target_version: TargetVersion,
-    suppressions: &Suppressions,
 ) -> Vec<Diagnostic> {
     // Aggregate all diagnostics.
     let mut context = LintContext::new(path, locator.contents(), settings);
@@ -341,7 +339,6 @@ pub fn check_path(
             &directives.noqa_line_for,
             parsed.has_valid_syntax(),
             settings,
-            suppressions,
         );
         if noqa.is_enabled() {
             for index in ignored.iter().rev() {
@@ -403,9 +400,6 @@ pub fn add_noqa_to_path(
         &indexer,
     );
 
-    // Parse range suppression comments
-    let suppressions = Suppressions::from_tokens(settings, locator.contents(), parsed.tokens());
-
     // Generate diagnostics, ignoring any existing `noqa` directives.
     let diagnostics = check_path(
         path,
@@ -420,7 +414,6 @@ pub fn add_noqa_to_path(
         source_type,
         &parsed,
         target_version,
-        &suppressions,
     );
 
     // Add any missing `# noqa` pragmas.
@@ -434,7 +427,6 @@ pub fn add_noqa_to_path(
         &directives.noqa_line_for,
         stylist.line_ending(),
         reason,
-        &suppressions,
     )
 }
 
@@ -469,9 +461,6 @@ pub fn lint_only(
         &indexer,
     );
 
-    // Parse range suppression comments
-    let suppressions = Suppressions::from_tokens(settings, locator.contents(), parsed.tokens());
-
     // Generate diagnostics.
     let diagnostics = check_path(
         path,
@@ -486,7 +475,6 @@ pub fn lint_only(
         source_type,
         &parsed,
         target_version,
-        &suppressions,
     );
 
     LinterResult {
@@ -578,9 +566,6 @@ pub fn lint_fix<'a>(
             &indexer,
         );
 
-        // Parse range suppression comments
-        let suppressions = Suppressions::from_tokens(settings, locator.contents(), parsed.tokens());
-
         // Generate diagnostics.
         let diagnostics = check_path(
             path,
@@ -595,7 +580,6 @@ pub fn lint_fix<'a>(
             source_type,
             &parsed,
             target_version,
-            &suppressions,
         );
 
         if iterations == 0 {
@@ -785,7 +769,6 @@ mod tests {
     use crate::registry::Rule;
     use crate::settings::LinterSettings;
     use crate::source_kind::SourceKind;
-    use crate::suppression::Suppressions;
     use crate::test::{TestedNotebook, assert_notebook_path, test_contents, test_snippet};
     use crate::{Locator, assert_diagnostics, directives, settings};
 
@@ -961,7 +944,6 @@ mod tests {
             &locator,
             &indexer,
         );
-        let suppressions = Suppressions::from_tokens(settings, locator.contents(), parsed.tokens());
         let mut diagnostics = check_path(
             path,
             None,
@@ -975,7 +957,6 @@ mod tests {
             source_type,
             &parsed,
             target_version,
-            &suppressions,
         );
         diagnostics.sort_by(Diagnostic::ruff_start_ordering);
         diagnostics
@@ -1062,7 +1043,6 @@ mod tests {
         Rule::YieldFromInAsyncFunction,
         Path::new("yield_from_in_async_function.py")
     )]
-    #[test_case(Rule::ReturnInGenerator, Path::new("return_in_generator.py"))]
     fn test_syntax_errors(rule: Rule, path: &Path) -> Result<()> {
         let snapshot = path.to_string_lossy().to_string();
         let path = Path::new("resources/test/fixtures/syntax_errors").join(path);

crates/ruff_linter/src/noqa.rs

@@ -20,14 +20,12 @@ use crate::Locator;
 use crate::fs::relativize_path;
 use crate::registry::Rule;
 use crate::rule_redirects::get_redirect_target;
-use crate::suppression::Suppressions;
 
 /// Generates an array of edits that matches the length of `messages`.
 /// Each potential edit in the array is paired, in order, with the associated diagnostic.
 /// Each edit will add a `noqa` comment to the appropriate line in the source to hide
 /// the diagnostic. These edits may conflict with each other and should not be applied
 /// simultaneously.
-#[expect(clippy::too_many_arguments)]
 pub fn generate_noqa_edits(
     path: &Path,
     diagnostics: &[Diagnostic],
@@ -36,19 +34,11 @@ pub fn generate_noqa_edits(
     external: &[String],
     noqa_line_for: &NoqaMapping,
     line_ending: LineEnding,
-    suppressions: &Suppressions,
 ) -> Vec<Option<Edit>> {
     let file_directives = FileNoqaDirectives::extract(locator, comment_ranges, external, path);
     let exemption = FileExemption::from(&file_directives);
     let directives = NoqaDirectives::from_commented_ranges(comment_ranges, external, path, locator);
-    let comments = find_noqa_comments(
-        diagnostics,
-        locator,
-        &exemption,
-        &directives,
-        noqa_line_for,
-        suppressions,
-    );
+    let comments = find_noqa_comments(diagnostics, locator, &exemption, &directives, noqa_line_for);
     build_noqa_edits_by_diagnostic(comments, locator, line_ending, None)
 }
 
@@ -735,7 +725,6 @@ pub(crate) fn add_noqa(
     noqa_line_for: &NoqaMapping,
     line_ending: LineEnding,
     reason: Option<&str>,
-    suppressions: &Suppressions,
 ) -> Result<usize> {
     let (count, output) = add_noqa_inner(
         path,
@@ -746,7 +735,6 @@ pub(crate) fn add_noqa(
         noqa_line_for,
         line_ending,
         reason,
-        suppressions,
     );
 
     fs::write(path, output)?;
@@ -763,7 +751,6 @@ fn add_noqa_inner(
     noqa_line_for: &NoqaMapping,
     line_ending: LineEnding,
     reason: Option<&str>,
-    suppressions: &Suppressions,
 ) -> (usize, String) {
     let mut count = 0;
 
@@ -773,14 +760,7 @@ fn add_noqa_inner(
 
     let directives = NoqaDirectives::from_commented_ranges(comment_ranges, external, path, locator);
 
-    let comments = find_noqa_comments(
-        diagnostics,
-        locator,
-        &exemption,
-        &directives,
-        noqa_line_for,
-        suppressions,
-    );
+    let comments = find_noqa_comments(diagnostics, locator, &exemption, &directives, noqa_line_for);
 
     let edits = build_noqa_edits_by_line(comments, locator, line_ending, reason);
 
@@ -879,7 +859,6 @@ fn find_noqa_comments<'a>(
     exemption: &'a FileExemption,
     directives: &'a NoqaDirectives,
     noqa_line_for: &NoqaMapping,
-    suppressions: &Suppressions,
 ) -> Vec<Option<NoqaComment<'a>>> {
     // List of noqa comments, ordered to match up with `messages`
     let mut comments_by_line: Vec<Option<NoqaComment<'a>>> = vec![];
@@ -896,12 +875,6 @@ fn find_noqa_comments<'a>(
             continue;
         }
 
-        // Apply ranged suppressions next
-        if suppressions.check_diagnostic(message) {
-            comments_by_line.push(None);
-            continue;
-        }
-
         // Is the violation ignored by a `noqa` directive on the parent line?
         if let Some(parent) = message.parent() {
             if let Some(directive_line) =
@@ -1280,7 +1253,6 @@ mod tests {
     use crate::rules::pycodestyle::rules::{AmbiguousVariableName, UselessSemicolon};
     use crate::rules::pyflakes::rules::UnusedVariable;
     use crate::rules::pyupgrade::rules::PrintfStringFormatting;
-    use crate::suppression::Suppressions;
     use crate::{Edit, Violation};
     use crate::{Locator, generate_noqa_edits};
 
@@ -2876,7 +2848,6 @@ mod tests {
             &noqa_line_for,
             LineEnding::Lf,
             None,
-            &Suppressions::default(),
         );
         assert_eq!(count, 0);
         assert_eq!(output, format!("{contents}"));
@@ -2901,7 +2872,6 @@ mod tests {
             &noqa_line_for,
             LineEnding::Lf,
             None,
-            &Suppressions::default(),
         );
         assert_eq!(count, 1);
         assert_eq!(output, "x = 1  # noqa: F841\n");
@@ -2933,7 +2903,6 @@ mod tests {
             &noqa_line_for,
             LineEnding::Lf,
             None,
-            &Suppressions::default(),
         );
         assert_eq!(count, 1);
         assert_eq!(output, "x = 1  # noqa: E741, F841\n");
@@ -2965,7 +2934,6 @@ mod tests {
             &noqa_line_for,
             LineEnding::Lf,
             None,
-            &Suppressions::default(),
         );
         assert_eq!(count, 0);
         assert_eq!(output, "x = 1  # noqa");
@@ -2988,7 +2956,6 @@ print(
         let messages = [PrintfStringFormatting
             .into_diagnostic(TextRange::new(12.into(), 79.into()), &source_file)];
         let comment_ranges = CommentRanges::default();
-        let suppressions = Suppressions::default();
         let edits = generate_noqa_edits(
             path,
             &messages,
@@ -2997,7 +2964,6 @@ print(
             &[],
             &noqa_line_for,
             LineEnding::Lf,
-            &suppressions,
         );
         assert_eq!(
             edits,
@@ -3021,7 +2987,6 @@ bar =
             [UselessSemicolon.into_diagnostic(TextRange::new(4.into(), 5.into()), &source_file)];
         let noqa_line_for = NoqaMapping::default();
         let comment_ranges = CommentRanges::default();
-        let suppressions = Suppressions::default();
         let edits = generate_noqa_edits(
             path,
             &messages,
@@ -3030,7 +2995,6 @@ bar =
             &[],
             &noqa_line_for,
             LineEnding::Lf,
-            &suppressions,
         );
         assert_eq!(
             edits,

crates/ruff_linter/src/preview.rs

@@ -286,8 +286,3 @@ pub(crate) const fn is_s310_resolve_string_literal_bindings_enabled(
 ) -> bool {
     settings.preview.is_enabled()
 }
-
-// https://github.com/astral-sh/ruff/pull/21623
-pub(crate) const fn is_range_suppressions_enabled(settings: &LinterSettings) -> bool {
-    settings.preview.is_enabled()
-}

crates/ruff_linter/src/rules/flake8_bandit/rules/unsafe_yaml_load.rs

@@ -75,7 +75,6 @@ pub(crate) fn unsafe_yaml_load(checker: &Checker, call: &ast::ExprCall) {
                         qualified_name.segments(),
                         ["yaml", "SafeLoader" | "CSafeLoader"]
                             | ["yaml", "loader", "SafeLoader" | "CSafeLoader"]
-                            | ["yaml", "cyaml", "CSafeLoader"]
                     )
                 })
             {

crates/ruff_linter/src/rules/flake8_bugbear/rules/return_in_generator.rs

@@ -1,5 +1,6 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::visitor::{Visitor, walk_expr, walk_stmt};
+use ruff_python_ast::statement_visitor;
+use ruff_python_ast::statement_visitor::StatementVisitor;
 use ruff_python_ast::{self as ast, Expr, Stmt, StmtFunctionDef};
 use ruff_text_size::TextRange;
 
@@ -95,11 +96,6 @@ pub(crate) fn return_in_generator(checker: &Checker, function_def: &StmtFunction
         return;
     }
 
-    // Async functions are flagged by the `ReturnInGenerator` semantic syntax error.
-    if function_def.is_async {
-        return;
-    }
-
     let mut visitor = ReturnInGeneratorVisitor::default();
     visitor.visit_body(&function_def.body);
 
@@ -116,9 +112,15 @@ struct ReturnInGeneratorVisitor {
     has_yield: bool,
 }
 
-impl Visitor<'_> for ReturnInGeneratorVisitor {
+impl StatementVisitor<'_> for ReturnInGeneratorVisitor {
     fn visit_stmt(&mut self, stmt: &Stmt) {
         match stmt {
+            Stmt::Expr(ast::StmtExpr { value, .. }) => match **value {
+                Expr::Yield(_) | Expr::YieldFrom(_) => {
+                    self.has_yield = true;
+                }
+                _ => {}
+            },
             Stmt::FunctionDef(_) => {
                 // Do not recurse into nested functions; they're evaluated separately.
             }
@@ -128,19 +130,8 @@ impl Visitor<'_> for ReturnInGeneratorVisitor {
                 node_index: _,
             }) => {
                 self.return_ = Some(*range);
-                walk_stmt(self, stmt);
             }
-            _ => walk_stmt(self, stmt),
-        }
-    }
-
-    fn visit_expr(&mut self, expr: &Expr) {
-        match expr {
-            Expr::Lambda(_) => {}
-            Expr::Yield(_) | Expr::YieldFrom(_) => {
-                self.has_yield = true;
-            }
-            _ => walk_expr(self, expr),
+            _ => statement_visitor::walk_stmt(self, stmt),
         }
     }
 }

crates/ruff_linter/src/rules/flake8_bugbear/snapshots/ruff_linter__rules__flake8_bugbear__tests__B006_B006_B008.py.snap

@@ -236,227 +236,227 @@ help: Replace with `None`; initialize within function
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:242:20
+   --> B006_B008.py:239:20
     |
-240 | # B006 and B008
-241 | # We should handle arbitrary nesting of these B008.
-242 | def nested_combo(a=[float(3), dt.datetime.now()]):
+237 | # B006 and B008
+238 | # We should handle arbitrary nesting of these B008.
+239 | def nested_combo(a=[float(3), dt.datetime.now()]):
     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-243 |     pass
+240 |     pass
     |
 help: Replace with `None`; initialize within function
-239 | 
-240 | # B006 and B008
-241 | # We should handle arbitrary nesting of these B008.
+236 | 
+237 | # B006 and B008
+238 | # We should handle arbitrary nesting of these B008.
     - def nested_combo(a=[float(3), dt.datetime.now()]):
-242 + def nested_combo(a=None):
-243 |     pass
-244 | 
-245 | 
+239 + def nested_combo(a=None):
+240 |     pass
+241 | 
+242 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:279:27
+   --> B006_B008.py:276:27
     |
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
     |                           ^^
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |
 help: Replace with `None`; initialize within function
-276 | 
-277 | 
-278 | def mutable_annotations(
+273 | 
+274 | 
+275 | def mutable_annotations(
     -     a: list[int] | None = [],
-279 +     a: list[int] | None = None,
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+276 +     a: list[int] | None = None,
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:280:35
+   --> B006_B008.py:277:35
     |
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
     |                                   ^^
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |
 help: Replace with `None`; initialize within function
-277 | 
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
+274 | 
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
     -     b: Optional[Dict[int, int]] = {},
-280 +     b: Optional[Dict[int, int]] = None,
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-283 | ):
+277 +     b: Optional[Dict[int, int]] = None,
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+280 | ):
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:281:62
+   --> B006_B008.py:278:62
     |
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |                                                              ^^^^^
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-283 | ):
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+280 | ):
     |
 help: Replace with `None`; initialize within function
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
     -     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-281 +     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-283 | ):
-284 |     pass
+278 +     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+280 | ):
+281 |     pass
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:282:80
+   --> B006_B008.py:279:80
     |
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |                                                                                ^^^^^
-283 | ):
-284 |     pass
+280 | ):
+281 |     pass
     |
 help: Replace with `None`; initialize within function
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     -     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 +     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
-283 | ):
-284 |     pass
-285 | 
+279 +     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
+280 | ):
+281 |     pass
+282 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:287:52
+   --> B006_B008.py:284:52
     |
-287 | def single_line_func_wrong(value: dict[str, str] = {}):
+284 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-288 |     """Docstring"""
+285 |     """Docstring"""
     |
 help: Replace with `None`; initialize within function
-284 |     pass
-285 | 
+281 |     pass
+282 | 
+283 | 
+    - def single_line_func_wrong(value: dict[str, str] = {}):
+284 + def single_line_func_wrong(value: dict[str, str] = None):
+285 |     """Docstring"""
 286 | 
-    - def single_line_func_wrong(value: dict[str, str] = {}):
-287 + def single_line_func_wrong(value: dict[str, str] = None):
-288 |     """Docstring"""
-289 | 
-290 | 
+287 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:291:52
+   --> B006_B008.py:288:52
     |
-291 | def single_line_func_wrong(value: dict[str, str] = {}):
+288 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-292 |     """Docstring"""
-293 |     ...
+289 |     """Docstring"""
+290 |     ...
     |
 help: Replace with `None`; initialize within function
-288 |     """Docstring"""
-289 | 
-290 | 
+285 |     """Docstring"""
+286 | 
+287 | 
     - def single_line_func_wrong(value: dict[str, str] = {}):
-291 + def single_line_func_wrong(value: dict[str, str] = None):
-292 |     """Docstring"""
-293 |     ...
-294 | 
+288 + def single_line_func_wrong(value: dict[str, str] = None):
+289 |     """Docstring"""
+290 |     ...
+291 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:296:52
+   --> B006_B008.py:293:52
     |
-296 | def single_line_func_wrong(value: dict[str, str] = {}):
+293 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-297 |     """Docstring"""; ...
+294 |     """Docstring"""; ...
     |
 help: Replace with `None`; initialize within function
-293 |     ...
-294 | 
+290 |     ...
+291 | 
+292 | 
+    - def single_line_func_wrong(value: dict[str, str] = {}):
+293 + def single_line_func_wrong(value: dict[str, str] = None):
+294 |     """Docstring"""; ...
 295 | 
-    - def single_line_func_wrong(value: dict[str, str] = {}):
-296 + def single_line_func_wrong(value: dict[str, str] = None):
-297 |     """Docstring"""; ...
-298 | 
-299 | 
+296 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:300:52
+   --> B006_B008.py:297:52
     |
-300 | def single_line_func_wrong(value: dict[str, str] = {}):
+297 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-301 |     """Docstring"""; \
-302 |         ...
+298 |     """Docstring"""; \
+299 |         ...
     |
 help: Replace with `None`; initialize within function
-297 |     """Docstring"""; ...
-298 | 
-299 | 
+294 |     """Docstring"""; ...
+295 | 
+296 | 
     - def single_line_func_wrong(value: dict[str, str] = {}):
-300 + def single_line_func_wrong(value: dict[str, str] = None):
-301 |     """Docstring"""; \
-302 |         ...
-303 | 
+297 + def single_line_func_wrong(value: dict[str, str] = None):
+298 |     """Docstring"""; \
+299 |         ...
+300 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:305:52
+   --> B006_B008.py:302:52
     |
-305 |   def single_line_func_wrong(value: dict[str, str] = {
+302 |   def single_line_func_wrong(value: dict[str, str] = {
     |  ____________________________________________________^
-306 | |     # This is a comment
-307 | | }):
+303 | |     # This is a comment
+304 | | }):
     | |_^
-308 |       """Docstring"""
+305 |       """Docstring"""
     |
 help: Replace with `None`; initialize within function
-302 |         ...
-303 | 
-304 | 
+299 |         ...
+300 | 
+301 | 
     - def single_line_func_wrong(value: dict[str, str] = {
     -     # This is a comment
     - }):
-305 + def single_line_func_wrong(value: dict[str, str] = None):
-306 |     """Docstring"""
-307 | 
-308 | 
+302 + def single_line_func_wrong(value: dict[str, str] = None):
+303 |     """Docstring"""
+304 | 
+305 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 Do not use mutable data structures for argument defaults
-   --> B006_B008.py:311:52
+   --> B006_B008.py:308:52
     |
-311 | def single_line_func_wrong(value: dict[str, str] = {}) \
+308 | def single_line_func_wrong(value: dict[str, str] = {}) \
     |                                                    ^^
-312 |     : \
-313 |     """Docstring"""
+309 |     : \
+310 |     """Docstring"""
     |
 help: Replace with `None`; initialize within function
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:316:52
+   --> B006_B008.py:313:52
     |
-316 | def single_line_func_wrong(value: dict[str, str] = {}):
+313 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-317 |     """Docstring without newline"""
+314 |     """Docstring without newline"""
     |
 help: Replace with `None`; initialize within function
-313 |     """Docstring"""
-314 | 
-315 | 
+310 |     """Docstring"""
+311 | 
+312 | 
     - def single_line_func_wrong(value: dict[str, str] = {}):
-316 + def single_line_func_wrong(value: dict[str, str] = None):
-317 |     """Docstring without newline"""
+313 + def single_line_func_wrong(value: dict[str, str] = None):
+314 |     """Docstring without newline"""
 note: This is an unsafe fix and may change runtime behavior

crates/ruff_linter/src/rules/flake8_bugbear/snapshots/ruff_linter__rules__flake8_bugbear__tests__B008_B006_B008.py.snap

@@ -53,39 +53,39 @@ B008 Do not perform function call in argument defaults; instead, perform the cal
     |
 
 B008 Do not perform function call `dt.datetime.now` in argument defaults; instead, perform the call within the function, or read the default from a module-level singleton variable
-   --> B006_B008.py:242:31
+   --> B006_B008.py:239:31
     |
-240 | # B006 and B008
-241 | # We should handle arbitrary nesting of these B008.
-242 | def nested_combo(a=[float(3), dt.datetime.now()]):
+237 | # B006 and B008
+238 | # We should handle arbitrary nesting of these B008.
+239 | def nested_combo(a=[float(3), dt.datetime.now()]):
     |                               ^^^^^^^^^^^^^^^^^
-243 |     pass
+240 |     pass
     |
 
 B008 Do not perform function call `map` in argument defaults; instead, perform the call within the function, or read the default from a module-level singleton variable
-   --> B006_B008.py:248:22
+   --> B006_B008.py:245:22
     |
-246 | # Don't flag nested B006 since we can't guarantee that
-247 | # it isn't made mutable by the outer operation.
-248 | def no_nested_b006(a=map(lambda s: s.upper(), ["a", "b", "c"])):
+243 | # Don't flag nested B006 since we can't guarantee that
+244 | # it isn't made mutable by the outer operation.
+245 | def no_nested_b006(a=map(lambda s: s.upper(), ["a", "b", "c"])):
     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-249 |     pass
+246 |     pass
     |
 
 B008 Do not perform function call `random.randint` in argument defaults; instead, perform the call within the function, or read the default from a module-level singleton variable
-   --> B006_B008.py:253:19
+   --> B006_B008.py:250:19
     |
-252 | # B008-ception.
-253 | def nested_b008(a=random.randint(0, dt.datetime.now().year)):
+249 | # B008-ception.
+250 | def nested_b008(a=random.randint(0, dt.datetime.now().year)):
     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-254 |     pass
+251 |     pass
     |
 
 B008 Do not perform function call `dt.datetime.now` in argument defaults; instead, perform the call within the function, or read the default from a module-level singleton variable
-   --> B006_B008.py:253:37
+   --> B006_B008.py:250:37
     |
-252 | # B008-ception.
-253 | def nested_b008(a=random.randint(0, dt.datetime.now().year)):
+249 | # B008-ception.
+250 | def nested_b008(a=random.randint(0, dt.datetime.now().year)):
     |                                     ^^^^^^^^^^^^^^^^^
-254 |     pass
+251 |     pass
     |

crates/ruff_linter/src/rules/flake8_bugbear/snapshots/ruff_linter__rules__flake8_bugbear__tests__B901_B901.py.snap

@@ -21,46 +21,3 @@ B901 Using `yield` and `return {value}` in a generator function can lead to conf
 37 |
 38 |     yield from not_broken()
    |
-
-B901 Using `yield` and `return {value}` in a generator function can lead to confusing behavior
-  --> B901.py:56:5
-   |
-55 | def broken3():
-56 |     return (yield from [])
-   |     ^^^^^^^^^^^^^^^^^^^^^^
-   |
-
-B901 Using `yield` and `return {value}` in a generator function can lead to confusing behavior
-  --> B901.py:61:5
-   |
-59 | def broken4():
-60 |     x = yield from []
-61 |     return x
-   |     ^^^^^^^^
-   |
-
-B901 Using `yield` and `return {value}` in a generator function can lead to confusing behavior
-  --> B901.py:72:5
-   |
-71 |     inner((yield from []))
-72 |     return x
-   |     ^^^^^^^^
-   |
-
-B901 Using `yield` and `return {value}` in a generator function can lead to confusing behavior
-  --> B901.py:83:5
-   |
-81 | async def broken6():
-82 |     yield 1
-83 |     return foo()
-   |     ^^^^^^^^^^^^
-   |
-
-B901 Using `yield` and `return {value}` in a generator function can lead to confusing behavior
-  --> B901.py:88:5
-   |
-86 | async def broken7():
-87 |     yield 1
-88 |     return [1, 2, 3]
-   |     ^^^^^^^^^^^^^^^^
-   |

crates/ruff_linter/src/rules/flake8_bugbear/snapshots/ruff_linter__rules__flake8_bugbear__tests__preview__B006_B006_B008.py.snap

@@ -236,227 +236,227 @@ help: Replace with `None`; initialize within function
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:242:20
+   --> B006_B008.py:239:20
     |
-240 | # B006 and B008
-241 | # We should handle arbitrary nesting of these B008.
-242 | def nested_combo(a=[float(3), dt.datetime.now()]):
+237 | # B006 and B008
+238 | # We should handle arbitrary nesting of these B008.
+239 | def nested_combo(a=[float(3), dt.datetime.now()]):
     |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
-243 |     pass
+240 |     pass
     |
 help: Replace with `None`; initialize within function
-239 | 
-240 | # B006 and B008
-241 | # We should handle arbitrary nesting of these B008.
+236 | 
+237 | # B006 and B008
+238 | # We should handle arbitrary nesting of these B008.
     - def nested_combo(a=[float(3), dt.datetime.now()]):
-242 + def nested_combo(a=None):
-243 |     pass
-244 | 
-245 | 
+239 + def nested_combo(a=None):
+240 |     pass
+241 | 
+242 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:279:27
+   --> B006_B008.py:276:27
     |
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
     |                           ^^
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |
 help: Replace with `None`; initialize within function
-276 | 
-277 | 
-278 | def mutable_annotations(
+273 | 
+274 | 
+275 | def mutable_annotations(
     -     a: list[int] | None = [],
-279 +     a: list[int] | None = None,
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+276 +     a: list[int] | None = None,
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:280:35
+   --> B006_B008.py:277:35
     |
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
     |                                   ^^
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |
 help: Replace with `None`; initialize within function
-277 | 
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
+274 | 
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
     -     b: Optional[Dict[int, int]] = {},
-280 +     b: Optional[Dict[int, int]] = None,
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-283 | ):
+277 +     b: Optional[Dict[int, int]] = None,
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+280 | ):
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:281:62
+   --> B006_B008.py:278:62
     |
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |                                                              ^^^^^
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-283 | ):
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+280 | ):
     |
 help: Replace with `None`; initialize within function
-278 | def mutable_annotations(
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
+275 | def mutable_annotations(
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
     -     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-281 +     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-283 | ):
-284 |     pass
+278 +     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+280 | ):
+281 |     pass
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:282:80
+   --> B006_B008.py:279:80
     |
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+279 |     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     |                                                                                ^^^^^
-283 | ):
-284 |     pass
+280 | ):
+281 |     pass
     |
 help: Replace with `None`; initialize within function
-279 |     a: list[int] | None = [],
-280 |     b: Optional[Dict[int, int]] = {},
-281 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+276 |     a: list[int] | None = [],
+277 |     b: Optional[Dict[int, int]] = {},
+278 |     c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
     -     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
-282 +     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
-283 | ):
-284 |     pass
-285 | 
+279 +     d: typing_extensions.Annotated[Union[Set[str], abc.Sized], "annotation"] = None,
+280 | ):
+281 |     pass
+282 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:287:52
+   --> B006_B008.py:284:52
     |
-287 | def single_line_func_wrong(value: dict[str, str] = {}):
+284 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-288 |     """Docstring"""
+285 |     """Docstring"""
     |
 help: Replace with `None`; initialize within function
-284 |     pass
-285 | 
+281 |     pass
+282 | 
+283 | 
+    - def single_line_func_wrong(value: dict[str, str] = {}):
+284 + def single_line_func_wrong(value: dict[str, str] = None):
+285 |     """Docstring"""
 286 | 
-    - def single_line_func_wrong(value: dict[str, str] = {}):
-287 + def single_line_func_wrong(value: dict[str, str] = None):
-288 |     """Docstring"""
-289 | 
-290 | 
+287 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:291:52
+   --> B006_B008.py:288:52
     |
-291 | def single_line_func_wrong(value: dict[str, str] = {}):
+288 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-292 |     """Docstring"""
-293 |     ...
+289 |     """Docstring"""
+290 |     ...
     |
 help: Replace with `None`; initialize within function
-288 |     """Docstring"""
-289 | 
-290 | 
+285 |     """Docstring"""
+286 | 
+287 | 
     - def single_line_func_wrong(value: dict[str, str] = {}):
-291 + def single_line_func_wrong(value: dict[str, str] = None):
-292 |     """Docstring"""
-293 |     ...
-294 | 
+288 + def single_line_func_wrong(value: dict[str, str] = None):
+289 |     """Docstring"""
+290 |     ...
+291 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:296:52
+   --> B006_B008.py:293:52
     |
-296 | def single_line_func_wrong(value: dict[str, str] = {}):
+293 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-297 |     """Docstring"""; ...
+294 |     """Docstring"""; ...
     |
 help: Replace with `None`; initialize within function
-293 |     ...
-294 | 
+290 |     ...
+291 | 
+292 | 
+    - def single_line_func_wrong(value: dict[str, str] = {}):
+293 + def single_line_func_wrong(value: dict[str, str] = None):
+294 |     """Docstring"""; ...
 295 | 
-    - def single_line_func_wrong(value: dict[str, str] = {}):
-296 + def single_line_func_wrong(value: dict[str, str] = None):
-297 |     """Docstring"""; ...
-298 | 
-299 | 
+296 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:300:52
+   --> B006_B008.py:297:52
     |
-300 | def single_line_func_wrong(value: dict[str, str] = {}):
+297 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-301 |     """Docstring"""; \
-302 |         ...
+298 |     """Docstring"""; \
+299 |         ...
     |
 help: Replace with `None`; initialize within function
-297 |     """Docstring"""; ...
-298 | 
-299 | 
+294 |     """Docstring"""; ...
+295 | 
+296 | 
     - def single_line_func_wrong(value: dict[str, str] = {}):
-300 + def single_line_func_wrong(value: dict[str, str] = None):
-301 |     """Docstring"""; \
-302 |         ...
-303 | 
+297 + def single_line_func_wrong(value: dict[str, str] = None):
+298 |     """Docstring"""; \
+299 |         ...
+300 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:305:52
+   --> B006_B008.py:302:52
     |
-305 |   def single_line_func_wrong(value: dict[str, str] = {
+302 |   def single_line_func_wrong(value: dict[str, str] = {
     |  ____________________________________________________^
-306 | |     # This is a comment
-307 | | }):
+303 | |     # This is a comment
+304 | | }):
     | |_^
-308 |       """Docstring"""
+305 |       """Docstring"""
     |
 help: Replace with `None`; initialize within function
-302 |         ...
-303 | 
-304 | 
+299 |         ...
+300 | 
+301 | 
     - def single_line_func_wrong(value: dict[str, str] = {
     -     # This is a comment
     - }):
-305 + def single_line_func_wrong(value: dict[str, str] = None):
-306 |     """Docstring"""
-307 | 
-308 | 
+302 + def single_line_func_wrong(value: dict[str, str] = None):
+303 |     """Docstring"""
+304 | 
+305 | 
 note: This is an unsafe fix and may change runtime behavior
 
 B006 Do not use mutable data structures for argument defaults
-   --> B006_B008.py:311:52
+   --> B006_B008.py:308:52
     |
-311 | def single_line_func_wrong(value: dict[str, str] = {}) \
+308 | def single_line_func_wrong(value: dict[str, str] = {}) \
     |                                                    ^^
-312 |     : \
-313 |     """Docstring"""
+309 |     : \
+310 |     """Docstring"""
     |
 help: Replace with `None`; initialize within function
 
 B006 [*] Do not use mutable data structures for argument defaults
-   --> B006_B008.py:316:52
+   --> B006_B008.py:313:52
     |
-316 | def single_line_func_wrong(value: dict[str, str] = {}):
+313 | def single_line_func_wrong(value: dict[str, str] = {}):
     |                                                    ^^
-317 |     """Docstring without newline"""
+314 |     """Docstring without newline"""
     |
 help: Replace with `None`; initialize within function
-313 |     """Docstring"""
-314 | 
-315 | 
+310 |     """Docstring"""
+311 | 
+312 | 
     - def single_line_func_wrong(value: dict[str, str] = {}):
-316 + def single_line_func_wrong(value: dict[str, str] = None):
-317 |     """Docstring without newline"""
+313 + def single_line_func_wrong(value: dict[str, str] = None):
+314 |     """Docstring without newline"""
 note: This is an unsafe fix and may change runtime behavior

crates/ruff_linter/src/rules/flake8_commas/rules/trailing_commas.rs

@@ -1,6 +1,6 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::{TokenKind, Tokens};
 use ruff_python_index::Indexer;
+use ruff_python_parser::{TokenKind, Tokens};
 use ruff_text_size::{Ranged, TextRange};
 
 use crate::Locator;

crates/ruff_linter/src/rules/flake8_comprehensions/rules/unnecessary_generator_list.rs

@@ -3,7 +3,7 @@ use ruff_python_ast as ast;
 use ruff_python_ast::ExprGenerator;
 use ruff_python_ast::comparable::ComparableExpr;
 use ruff_python_ast::parenthesize::parenthesized_range;
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::{Ranged, TextRange, TextSize};
 
 use crate::checkers::ast::Checker;

crates/ruff_linter/src/rules/flake8_comprehensions/rules/unnecessary_generator_set.rs

@@ -3,7 +3,7 @@ use ruff_python_ast as ast;
 use ruff_python_ast::ExprGenerator;
 use ruff_python_ast::comparable::ComparableExpr;
 use ruff_python_ast::parenthesize::parenthesized_range;
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::{Ranged, TextRange, TextSize};
 
 use crate::checkers::ast::Checker;

crates/ruff_linter/src/rules/flake8_comprehensions/rules/unnecessary_list_comprehension_set.rs

@@ -1,7 +1,7 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast as ast;
 use ruff_python_ast::parenthesize::parenthesized_range;
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::{Ranged, TextRange, TextSize};
 
 use crate::checkers::ast::Checker;

crates/ruff_linter/src/rules/flake8_implicit_str_concat/rules/implicit.rs

@@ -3,8 +3,8 @@ use std::borrow::Cow;
 use itertools::Itertools;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::StringFlags;
-use ruff_python_ast::token::{Token, TokenKind, Tokens};
 use ruff_python_index::Indexer;
+use ruff_python_parser::{Token, TokenKind, Tokens};
 use ruff_source_file::LineRanges;
 use ruff_text_size::{Ranged, TextLen, TextRange};
 

crates/ruff_linter/src/rules/flake8_pie/rules/unnecessary_spread.rs

@@ -1,6 +1,6 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::{TokenKind, Tokens};
 use ruff_python_ast::{self as ast, Expr};
+use ruff_python_parser::{TokenKind, Tokens};
 use ruff_text_size::{Ranged, TextLen, TextSize};
 
 use crate::checkers::ast::Checker;

crates/ruff_linter/src/rules/flake8_return/rules/function.rs

@@ -4,10 +4,10 @@ use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::helpers::{is_const_false, is_const_true};
 use ruff_python_ast::stmt_if::elif_else_range;
-use ruff_python_ast::token::TokenKind;
 use ruff_python_ast::visitor::Visitor;
 use ruff_python_ast::whitespace::indentation;
 use ruff_python_ast::{self as ast, Decorator, ElifElseClause, Expr, Stmt};
+use ruff_python_parser::TokenKind;
 use ruff_python_semantic::SemanticModel;
 use ruff_python_semantic::analyze::visibility::is_property;
 use ruff_python_trivia::{SimpleTokenKind, SimpleTokenizer, is_python_whitespace};

crates/ruff_linter/src/rules/flake8_simplify/snapshots/ruff_linter__rules__flake8_simplify__tests__SIM222_SIM222.py.snap

@@ -1144,23 +1144,3 @@ help: Replace with `(i for i in range(1))`
 208 | # https://github.com/astral-sh/ruff/issues/21136
 209 | def get_items():
 note: This is an unsafe fix and may change runtime behavior
-
-SIM222 [*] Use `True` instead of `... or True`
-   --> SIM222.py:222:1
-    |
-221 | # https://github.com/astral-sh/ruff/issues/21473
-222 | tuple("") or True  # SIM222
-    | ^^^^^^^^^^^^^^^^^
-223 | tuple(t"") or True  # OK
-224 | tuple(0) or True  # OK
-    |
-help: Replace with `True`
-219 | 
-220 | 
-221 | # https://github.com/astral-sh/ruff/issues/21473
-    - tuple("") or True  # SIM222
-222 + True  # SIM222
-223 | tuple(t"") or True  # OK
-224 | tuple(0) or True  # OK
-225 | tuple(1) or True  # OK
-note: This is an unsafe fix and may change runtime behavior

crates/ruff_linter/src/rules/flake8_simplify/snapshots/ruff_linter__rules__flake8_simplify__tests__SIM223_SIM223.py.snap

@@ -1025,23 +1025,3 @@ help: Replace with `f"{''}{''}"`
 156 | 
 157 | 
 note: This is an unsafe fix and may change runtime behavior
-
-SIM223 [*] Use `tuple("")` instead of `tuple("") and ...`
-   --> SIM223.py:163:1
-    |
-162 | # https://github.com/astral-sh/ruff/issues/21473
-163 | tuple("") and False  # SIM223
-    | ^^^^^^^^^^^^^^^^^^^
-164 | tuple(t"") and False  # OK
-165 | tuple(0) and False  # OK
-    |
-help: Replace with `tuple("")`
-160 | 
-161 | 
-162 | # https://github.com/astral-sh/ruff/issues/21473
-    - tuple("") and False  # SIM223
-163 + tuple("")  # SIM223
-164 | tuple(t"") and False  # OK
-165 | tuple(0) and False  # OK
-166 | tuple(1) and False  # OK
-note: This is an unsafe fix and may change runtime behavior

crates/ruff_linter/src/rules/flake8_use_pathlib/helpers.rs

@@ -57,7 +57,7 @@ pub(crate) fn check_os_pathlib_single_arg_calls(
     fn_argument: &str,
     fix_enabled: bool,
     violation: impl Violation,
-    applicability: Applicability,
+    applicability: Option<Applicability>,
 ) {
     if call.arguments.len() != 1 {
         return;
@@ -91,14 +91,18 @@ pub(crate) fn check_os_pathlib_single_arg_calls(
 
         let edit = Edit::range_replacement(replacement, range);
 
-        let applicability = match applicability {
-            Applicability::DisplayOnly => Applicability::DisplayOnly,
-            _ if checker.comment_ranges().intersects(range) => Applicability::Unsafe,
-            _ => applicability,
+        let fix = match applicability {
+            Some(Applicability::Unsafe) => Fix::unsafe_edits(edit, [import_edit]),
+            _ => {
+                let applicability = if checker.comment_ranges().intersects(range) {
+                    Applicability::Unsafe
+                } else {
+                    Applicability::Safe
+                };
+                Fix::applicable_edits(edit, [import_edit], applicability)
+            }
         };
 
-        let fix = Fix::applicable_edits(edit, [import_edit], applicability);
-
         Ok(fix)
     });
 }
@@ -134,7 +138,6 @@ pub(crate) fn is_file_descriptor(expr: &Expr, semantic: &SemanticModel) -> bool
     typing::is_int(binding, semantic)
 }
 
-#[expect(clippy::too_many_arguments)]
 pub(crate) fn check_os_pathlib_two_arg_calls(
     checker: &Checker,
     call: &ExprCall,
@@ -143,7 +146,6 @@ pub(crate) fn check_os_pathlib_two_arg_calls(
     second_arg: &str,
     fix_enabled: bool,
     violation: impl Violation,
-    applicability: Applicability,
 ) {
     let range = call.range();
     let mut diagnostic = checker.report_diagnostic(violation, call.func.range());
@@ -172,10 +174,10 @@ pub(crate) fn check_os_pathlib_two_arg_calls(
                 format!("{binding}({path_code}).{attr}({second_code})")
             };
 
-            let applicability = match applicability {
-                Applicability::DisplayOnly => Applicability::DisplayOnly,
-                _ if checker.comment_ranges().intersects(range) => Applicability::Unsafe,
-                _ => applicability,
+            let applicability = if checker.comment_ranges().intersects(range) {
+                Applicability::Unsafe
+            } else {
+                Applicability::Safe
             };
 
             Ok(Fix::applicable_edits(
@@ -207,9 +209,3 @@ pub(crate) fn is_argument_non_default(arguments: &Arguments, name: &str, positio
         .find_argument_value(name, position)
         .is_some_and(|expr| !expr.is_none_literal_expr())
 }
-
-/// Returns `true` if the given call is a top-level expression in its statement.
-/// This means the call's return value is not used, so return type changes don't matter.
-pub(crate) fn is_top_level_expression_call(checker: &Checker) -> bool {
-    checker.semantic().current_expression_parent().is_none()
-}

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_getcwd.rs

@@ -1,14 +1,12 @@
+use crate::checkers::ast::Checker;
+use crate::importer::ImportRequest;
+use crate::preview::is_fix_os_getcwd_enabled;
+use crate::{FixAvailability, Violation};
 use ruff_diagnostics::{Applicability, Edit, Fix};
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 use ruff_text_size::Ranged;
 
-use crate::checkers::ast::Checker;
-use crate::importer::ImportRequest;
-use crate::preview::is_fix_os_getcwd_enabled;
-use crate::rules::flake8_use_pathlib::helpers::is_top_level_expression_call;
-use crate::{FixAvailability, Violation};
-
 /// ## What it does
 /// Checks for uses of `os.getcwd` and `os.getcwdb`.
 ///
@@ -39,8 +37,6 @@ use crate::{FixAvailability, Violation};
 ///
 /// ## Fix Safety
 /// This rule's fix is marked as unsafe if the replacement would remove comments attached to the original expression.
-/// Additionally, the fix is marked as unsafe when the return value is used because the type changes
-/// from `str` or `bytes` to a `Path` object.
 ///
 /// ## References
 /// - [Python documentation: `Path.cwd`](https://docs.python.org/3/library/pathlib.html#pathlib.Path.cwd)
@@ -87,10 +83,7 @@ pub(crate) fn os_getcwd(checker: &Checker, call: &ExprCall, segments: &[&str]) {
                 checker.semantic(),
             )?;
 
-            // Unsafe when the fix would delete comments or change a used return value
-            let applicability = if checker.comment_ranges().intersects(range)
-                || !is_top_level_expression_call(checker)
-            {
+            let applicability = if checker.comment_ranges().intersects(range) {
                 Applicability::Unsafe
             } else {
                 Applicability::Safe

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_abspath.rs

@@ -45,10 +45,6 @@ use crate::{FixAvailability, Violation};
 /// behaviors is required, there's no existing `pathlib` alternative. See CPython issue
 /// [#69200](https://github.com/python/cpython/issues/69200).
 ///
-/// Additionally, the fix is marked as unsafe because `os.path.abspath()` returns `str` or `bytes` (`AnyStr`),
-/// while `Path.resolve()` returns a `Path` object. This change in return type can break code that uses
-/// the return value.
-///
 /// ## References
 /// - [Python documentation: `Path.resolve`](https://docs.python.org/3/library/pathlib.html#pathlib.Path.resolve)
 /// - [Python documentation: `os.path.abspath`](https://docs.python.org/3/library/os.path.html#os.path.abspath)
@@ -89,6 +85,6 @@ pub(crate) fn os_path_abspath(checker: &Checker, call: &ExprCall, segments: &[&s
         "path",
         is_fix_os_path_abspath_enabled(checker.settings()),
         OsPathAbspath,
-        Applicability::Unsafe,
+        Some(Applicability::Unsafe),
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_basename.rs

@@ -82,6 +82,6 @@ pub(crate) fn os_path_basename(checker: &Checker, call: &ExprCall, segments: &[&
         "p",
         is_fix_os_path_basename_enabled(checker.settings()),
         OsPathBasename,
-        Applicability::Unsafe,
+        Some(Applicability::Unsafe),
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_dirname.rs

@@ -42,10 +42,6 @@ use crate::{FixAvailability, Violation};
 /// As a result, code relying on the exact string returned by `os.path.dirname`
 /// may behave differently after the fix.
 ///
-/// Additionally, the fix is marked as unsafe because `os.path.dirname()` returns `str` or `bytes` (`AnyStr`),
-/// while `Path.parent` returns a `Path` object. This change in return type can break code that uses
-/// the return value.
-///
 /// ## Known issues
 /// While using `pathlib` can improve the readability and type safety of your code,
 /// it can be less performant than the lower-level alternatives that work directly with strings,
@@ -86,6 +82,6 @@ pub(crate) fn os_path_dirname(checker: &Checker, call: &ExprCall, segments: &[&s
         "p",
         is_fix_os_path_dirname_enabled(checker.settings()),
         OsPathDirname,
-        Applicability::Unsafe,
+        Some(Applicability::Unsafe),
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_exists.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -73,6 +72,6 @@ pub(crate) fn os_path_exists(checker: &Checker, call: &ExprCall, segments: &[&st
         "path",
         is_fix_os_path_exists_enabled(checker.settings()),
         OsPathExists,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_expanduser.rs

@@ -41,10 +41,6 @@ use crate::{FixAvailability, Violation};
 /// directory can't be resolved: `os.path.expanduser` returns the
 /// input unchanged, while `Path.expanduser` raises `RuntimeError`.
 ///
-/// Additionally, the fix is marked as unsafe because `os.path.expanduser()` returns `str` or `bytes` (`AnyStr`),
-/// while `Path.expanduser()` returns a `Path` object. This change in return type can break code that uses
-/// the return value.
-///
 /// ## References
 /// - [Python documentation: `Path.expanduser`](https://docs.python.org/3/library/pathlib.html#pathlib.Path.expanduser)
 /// - [Python documentation: `os.path.expanduser`](https://docs.python.org/3/library/os.path.html#os.path.expanduser)
@@ -80,6 +76,6 @@ pub(crate) fn os_path_expanduser(checker: &Checker, call: &ExprCall, segments: &
         "path",
         is_fix_os_path_expanduser_enabled(checker.settings()),
         OsPathExpanduser,
-        Applicability::Unsafe,
+        Some(Applicability::Unsafe),
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_getatime.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -76,6 +75,6 @@ pub(crate) fn os_path_getatime(checker: &Checker, call: &ExprCall, segments: &[&
         "filename",
         is_fix_os_path_getatime_enabled(checker.settings()),
         OsPathGetatime,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_getctime.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -77,6 +76,6 @@ pub(crate) fn os_path_getctime(checker: &Checker, call: &ExprCall, segments: &[&
         "filename",
         is_fix_os_path_getctime_enabled(checker.settings()),
         OsPathGetctime,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_getmtime.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -77,6 +76,6 @@ pub(crate) fn os_path_getmtime(checker: &Checker, call: &ExprCall, segments: &[&
         "filename",
         is_fix_os_path_getmtime_enabled(checker.settings()),
         OsPathGetmtime,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_getsize.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -77,6 +76,6 @@ pub(crate) fn os_path_getsize(checker: &Checker, call: &ExprCall, segments: &[&s
         "filename",
         is_fix_os_path_getsize_enabled(checker.settings()),
         OsPathGetsize,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_isabs.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -72,6 +71,6 @@ pub(crate) fn os_path_isabs(checker: &Checker, call: &ExprCall, segments: &[&str
         "s",
         is_fix_os_path_isabs_enabled(checker.settings()),
         OsPathIsabs,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_isdir.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -74,6 +73,6 @@ pub(crate) fn os_path_isdir(checker: &Checker, call: &ExprCall, segments: &[&str
         "s",
         is_fix_os_path_isdir_enabled(checker.settings()),
         OsPathIsdir,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_isfile.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -74,6 +73,6 @@ pub(crate) fn os_path_isfile(checker: &Checker, call: &ExprCall, segments: &[&st
         "path",
         is_fix_os_path_isfile_enabled(checker.settings()),
         OsPathIsfile,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_islink.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -74,6 +73,6 @@ pub(crate) fn os_path_islink(checker: &Checker, call: &ExprCall, segments: &[&st
         "path",
         is_fix_os_path_islink_enabled(checker.settings()),
         OsPathIslink,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_path_samefile.rs

@@ -1,13 +1,11 @@
-use ruff_diagnostics::Applicability;
-use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::ExprCall;
-
 use crate::checkers::ast::Checker;
 use crate::preview::is_fix_os_path_samefile_enabled;
 use crate::rules::flake8_use_pathlib::helpers::{
     check_os_pathlib_two_arg_calls, has_unknown_keywords_or_starred_expr,
 };
 use crate::{FixAvailability, Violation};
+use ruff_macros::{ViolationMetadata, derive_message_formats};
+use ruff_python_ast::ExprCall;
 
 /// ## What it does
 /// Checks for uses of `os.path.samefile`.
@@ -81,6 +79,5 @@ pub(crate) fn os_path_samefile(checker: &Checker, call: &ExprCall, segments: &[&
         "f2",
         fix_enabled,
         OsPathSamefile,
-        Applicability::Safe,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_readlink.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::{ExprCall, PythonVersion};
 
@@ -6,7 +5,6 @@ use crate::checkers::ast::Checker;
 use crate::preview::is_fix_os_readlink_enabled;
 use crate::rules::flake8_use_pathlib::helpers::{
     check_os_pathlib_single_arg_calls, is_keyword_only_argument_non_default,
-    is_top_level_expression_call,
 };
 use crate::{FixAvailability, Violation};
 
@@ -40,8 +38,6 @@ use crate::{FixAvailability, Violation};
 ///
 /// ## Fix Safety
 /// This rule's fix is marked as unsafe if the replacement would remove comments attached to the original expression.
-/// Additionally, the fix is marked as unsafe when the return value is used because the type changes
-/// from `str` or `bytes` (`AnyStr`) to a `Path` object.
 ///
 /// ## References
 /// - [Python documentation: `Path.readlink`](https://docs.python.org/3/library/pathlib.html#pathlib.Path.readline)
@@ -86,13 +82,6 @@ pub(crate) fn os_readlink(checker: &Checker, call: &ExprCall, segments: &[&str])
         return;
     }
 
-    let applicability = if !is_top_level_expression_call(checker) {
-        // Unsafe because the return type changes (str/bytes -> Path)
-        Applicability::Unsafe
-    } else {
-        Applicability::Safe
-    };
-
     check_os_pathlib_single_arg_calls(
         checker,
         call,
@@ -100,6 +89,6 @@ pub(crate) fn os_readlink(checker: &Checker, call: &ExprCall, segments: &[&str])
         "path",
         is_fix_os_readlink_enabled(checker.settings()),
         OsReadlink,
-        applicability,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_remove.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -85,6 +84,6 @@ pub(crate) fn os_remove(checker: &Checker, call: &ExprCall, segments: &[&str]) {
         "path",
         is_fix_os_remove_enabled(checker.settings()),
         OsRemove,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_rename.rs

@@ -1,14 +1,12 @@
-use ruff_diagnostics::Applicability;
-use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::ExprCall;
-
 use crate::checkers::ast::Checker;
 use crate::preview::is_fix_os_rename_enabled;
 use crate::rules::flake8_use_pathlib::helpers::{
     check_os_pathlib_two_arg_calls, has_unknown_keywords_or_starred_expr,
-    is_keyword_only_argument_non_default, is_top_level_expression_call,
+    is_keyword_only_argument_non_default,
 };
 use crate::{FixAvailability, Violation};
+use ruff_macros::{ViolationMetadata, derive_message_formats};
+use ruff_python_ast::ExprCall;
 
 /// ## What it does
 /// Checks for uses of `os.rename`.
@@ -40,8 +38,6 @@ use crate::{FixAvailability, Violation};
 ///
 /// ## Fix Safety
 /// This rule's fix is marked as unsafe if the replacement would remove comments attached to the original expression.
-/// Additionally, the fix is marked as unsafe when the return value is used because the type changes
-/// from `None` to a `Path` object.
 ///
 /// ## References
 /// - [Python documentation: `Path.rename`](https://docs.python.org/3/library/pathlib.html#pathlib.Path.rename)
@@ -91,22 +87,5 @@ pub(crate) fn os_rename(checker: &Checker, call: &ExprCall, segments: &[&str]) {
             &["src", "dst", "src_dir_fd", "dst_dir_fd"],
         );
 
-    // Unsafe when the fix would delete comments or change a used return value
-    let applicability = if !is_top_level_expression_call(checker) {
-        // Unsafe because the return type changes (None -> Path)
-        Applicability::Unsafe
-    } else {
-        Applicability::Safe
-    };
-
-    check_os_pathlib_two_arg_calls(
-        checker,
-        call,
-        "rename",
-        "src",
-        "dst",
-        fix_enabled,
-        OsRename,
-        applicability,
-    );
+    check_os_pathlib_two_arg_calls(checker, call, "rename", "src", "dst", fix_enabled, OsRename);
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_replace.rs

@@ -1,14 +1,12 @@
-use ruff_diagnostics::Applicability;
-use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::ExprCall;
-
 use crate::checkers::ast::Checker;
 use crate::preview::is_fix_os_replace_enabled;
 use crate::rules::flake8_use_pathlib::helpers::{
     check_os_pathlib_two_arg_calls, has_unknown_keywords_or_starred_expr,
-    is_keyword_only_argument_non_default, is_top_level_expression_call,
+    is_keyword_only_argument_non_default,
 };
 use crate::{FixAvailability, Violation};
+use ruff_macros::{ViolationMetadata, derive_message_formats};
+use ruff_python_ast::ExprCall;
 
 /// ## What it does
 /// Checks for uses of `os.replace`.
@@ -43,8 +41,6 @@ use crate::{FixAvailability, Violation};
 ///
 /// ## Fix Safety
 /// This rule's fix is marked as unsafe if the replacement would remove comments attached to the original expression.
-/// Additionally, the fix is marked as unsafe when the return value is used because the type changes
-/// from `None` to a `Path` object.
 ///
 /// ## References
 /// - [Python documentation: `Path.replace`](https://docs.python.org/3/library/pathlib.html#pathlib.Path.replace)
@@ -94,14 +90,6 @@ pub(crate) fn os_replace(checker: &Checker, call: &ExprCall, segments: &[&str])
             &["src", "dst", "src_dir_fd", "dst_dir_fd"],
         );
 
-    // Unsafe when the fix would delete comments or change a used return value
-    let applicability = if !is_top_level_expression_call(checker) {
-        // Unsafe because the return type changes (None -> Path)
-        Applicability::Unsafe
-    } else {
-        Applicability::Safe
-    };
-
     check_os_pathlib_two_arg_calls(
         checker,
         call,
@@ -110,6 +98,5 @@ pub(crate) fn os_replace(checker: &Checker, call: &ExprCall, segments: &[&str])
         "dst",
         fix_enabled,
         OsReplace,
-        applicability,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_rmdir.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -85,6 +84,6 @@ pub(crate) fn os_rmdir(checker: &Checker, call: &ExprCall, segments: &[&str]) {
         "path",
         is_fix_os_rmdir_enabled(checker.settings()),
         OsRmdir,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/flake8_use_pathlib/rules/os_unlink.rs

@@ -1,4 +1,3 @@
-use ruff_diagnostics::Applicability;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_python_ast::ExprCall;
 
@@ -85,6 +84,6 @@ pub(crate) fn os_unlink(checker: &Checker, call: &ExprCall, segments: &[&str]) {
         "path",
         is_fix_os_unlink_enabled(checker.settings()),
         OsUnlink,
-        Applicability::Safe,
+        None,
     );
 }

crates/ruff_linter/src/rules/isort/annotate.rs

@@ -1,5 +1,5 @@
-use ruff_python_ast::token::Tokens;
 use ruff_python_ast::{self as ast, Stmt};
+use ruff_python_parser::Tokens;
 use ruff_source_file::LineRanges;
 use ruff_text_size::{Ranged, TextRange};
 

crates/ruff_linter/src/rules/isort/helpers.rs

@@ -1,5 +1,5 @@
 use ruff_python_ast::Stmt;
-use ruff_python_ast::token::{TokenKind, Tokens};
+use ruff_python_parser::{TokenKind, Tokens};
 use ruff_python_trivia::PythonWhitespace;
 use ruff_source_file::UniversalNewlines;
 use ruff_text_size::Ranged;

crates/ruff_linter/src/rules/isort/mod.rs

@@ -11,8 +11,8 @@ use comments::Comment;
 use normalize::normalize_imports;
 use order::order_imports;
 use ruff_python_ast::PySourceType;
-use ruff_python_ast::token::Tokens;
 use ruff_python_codegen::Stylist;
+use ruff_python_parser::Tokens;
 use settings::Settings;
 use types::EitherImport::{Import, ImportFrom};
 use types::{AliasData, ImportBlock, TrailingComma};

crates/ruff_linter/src/rules/isort/rules/organize_imports.rs

@@ -1,11 +1,11 @@
 use itertools::{EitherOrBoth, Itertools};
 
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::Tokens;
 use ruff_python_ast::whitespace::trailing_lines_end;
 use ruff_python_ast::{PySourceType, PythonVersion, Stmt};
 use ruff_python_codegen::Stylist;
 use ruff_python_index::Indexer;
+use ruff_python_parser::Tokens;
 use ruff_python_trivia::{PythonWhitespace, leading_indentation, textwrap::indent};
 use ruff_source_file::{LineRanges, UniversalNewlines};
 use ruff_text_size::{Ranged, TextRange};

crates/ruff_linter/src/rules/pycodestyle/helpers.rs

@@ -1,4 +1,4 @@
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 
 /// Returns `true` if the name should be considered "ambiguous".
 pub(super) fn is_ambiguous_name(name: &str) -> bool {

crates/ruff_linter/src/rules/pycodestyle/rules/blank_lines.rs

@@ -8,10 +8,10 @@ use itertools::Itertools;
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_notebook::CellOffsets;
 use ruff_python_ast::PySourceType;
-use ruff_python_ast::token::TokenIterWithContext;
-use ruff_python_ast::token::TokenKind;
-use ruff_python_ast::token::Tokens;
 use ruff_python_codegen::Stylist;
+use ruff_python_parser::TokenIterWithContext;
+use ruff_python_parser::TokenKind;
+use ruff_python_parser::Tokens;
 use ruff_python_trivia::PythonWhitespace;
 use ruff_source_file::{LineRanges, UniversalNewlines};
 use ruff_text_size::TextRange;

crates/ruff_linter/src/rules/pycodestyle/rules/compound_statements.rs

@@ -1,8 +1,8 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
 use ruff_notebook::CellOffsets;
 use ruff_python_ast::PySourceType;
-use ruff_python_ast::token::{TokenIterWithContext, TokenKind, Tokens};
 use ruff_python_index::Indexer;
+use ruff_python_parser::{TokenIterWithContext, TokenKind, Tokens};
 use ruff_text_size::{Ranged, TextSize};
 
 use crate::Locator;

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/extraneous_whitespace.rs

@@ -1,5 +1,5 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::{Ranged, TextRange};
 
 use crate::AlwaysFixableViolation;

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/indentation.rs

@@ -1,5 +1,5 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::TextRange;
 
 use crate::Violation;

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/missing_whitespace.rs

@@ -1,5 +1,5 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::Ranged;
 
 use crate::Edit;

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/missing_whitespace_after_keyword.rs

@@ -1,5 +1,5 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::Ranged;
 
 use crate::checkers::ast::LintContext;

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/missing_whitespace_around_operator.rs

@@ -1,5 +1,5 @@
 use ruff_macros::{ViolationMetadata, derive_message_formats};
-use ruff_python_ast::token::TokenKind;
+use ruff_python_parser::TokenKind;
 use ruff_text_size::{Ranged, TextRange};
 
 use crate::checkers::ast::LintContext;

crates/ruff_linter/src/rules/pycodestyle/rules/logical_lines/mod.rs

@@ -9,7 +9,7 @@ pub(crate) use missing_whitespace::*;
 pub(crate) use missing_whitespace_after_keyword::*;
 pub(crate) use missing_whitespace_around_operator::*;
 pub(crate) use redundant_backslash::*;
-use ruff_python_ast::token::{TokenKind, Tokens};
+use ruff_python_parser::{TokenKind, Tokens};
 use ruff_python_trivia::is_python_whitespace;
 use ruff_text_size::{Ranged, TextLen, TextRange, TextSize};
 pub(crate) use space_around_operator::*;