Bump version to 0.0.195

Bump pyupgrade implementation count
Replace typing.Text with str (#1391 )
2022-12-26 20:41:39 -05:00 · 2022-12-26 19:56:12 -05:00 · 2022-12-26 19:55:41 -05:00 · 2022-12-26 19:45:04 -05:00 · 2022-12-26 19:25:50 -05:00 · 2022-12-26 15:19:17 -05:00
143 changed files with 11516 additions and 1400 deletions
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -12,7 +12,7 @@ env:
  RUSTUP_MAX_RETRIES: 10

 jobs:
-  cargo_build:
+  cargo-build:
    name: "cargo build"
    runs-on: ubuntu-latest
    steps:
@@ -42,8 +42,14 @@ jobs:
      - run: ./target/release/ruff_dev generate-check-code-prefix
      - run: git diff --quiet src/checks_gen.rs || echo "::error file=src/checks_gen.rs::This file is outdated. You may have to rerun 'cargo dev generate-check-code-prefix'."
      - run: git diff --exit-code -- README.md src/checks_gen.rs
+      - run: ./target/release/ruff_dev generate-json-schema
+      - run: git diff --quiet ruff.schema.json || echo "::error file=ruff.schema.json::This file is outdated. You may have to rerun 'cargo dev generate-json-schema'."
+      - run: git diff --exit-code -- ruff.schema.json
+      - run: ./target/release/ruff_dev generate-playground-options
+      - run: git diff --quiet playground/src/ruff_options.rs || echo "::error file=playground/src/ruff_options.ts::This file is outdated. You may have to rerun 'cargo dev generate-playground-options'."
+      - run: git diff --exit-code -- README.md src/checks_gen.rs playground/src/ruff_options.ts

-  cargo_fmt:
+  cargo-fmt:
    name: "cargo fmt"
    runs-on: ubuntu-latest
    steps:
@@ -79,6 +85,7 @@ jobs:
          toolchain: nightly-2022-11-01
          override: true
          components: clippy
+          target: wasm32-unknown-unknown
      - uses: actions/cache@v3
        env:
          cache-name: cache-cargo
@@ -92,8 +99,9 @@ jobs:
            ${{ runner.os }}-build-
            ${{ runner.os }}-
      - run: cargo clippy --workspace --all-targets --all-features -- -D warnings -W clippy::pedantic
+      - run: cargo clippy --workspace --target wasm32-unknown-unknown --all-features -- -D warnings -W clippy::pedantic

-  cargo_test:
+  cargo-test:
    name: "cargo test"
    runs-on: ubuntu-latest
    steps:
@@ -119,7 +127,32 @@ jobs:
      - run: cargo test --all
      - run: cargo test --package ruff --test black_compatibility_test -- --ignored

-  maturin_build:
+  wasm-pack-test:
+    name: "wasm-pack test"
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2022-11-01
+          override: true
+      - uses: actions/cache@v3
+        env:
+          cache-name: cache-cargo
+        with:
+          path: |
+            ~/.cargo/registry
+            ~/.cargo/git
+          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/Cargo.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-build-${{ env.cache-name }}-
+            ${{ runner.os }}-build-
+            ${{ runner.os }}-
+      - uses: jetli/wasm-pack-action@v0.4.0
+      - run: wasm-pack test --node
+
+  maturin-build:
    name: "maturin build"
    runs-on: ubuntu-latest
    steps:
@@ -131,7 +164,7 @@ jobs:
          override: true
      - uses: actions/setup-python@v4
        with:
-          python-version: "3.10"
+          python-version: "3.11"
      - run: pip install maturin
      - uses: actions/cache@v3
        env:
--- a/.github/workflows/playground.yaml
+++ b/.github/workflows/playground.yaml
@@ -0,0 +1,51 @@
+name: "[Playground] Release"
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+env:
+  CARGO_INCREMENTAL: 0
+  CARGO_NET_RETRY: 10
+  RUSTUP_MAX_RETRIES: 10
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: nightly-2022-11-01
+          override: true
+          target: wasm32-unknown-unknown
+      - uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          cache: "npm"
+          cache-dependency-path: playground/package-lock.json
+      - uses: jetli/wasm-pack-action@v0.4.0
+      - name: "Run wasm-pack"
+        run: wasm-pack build --target web --out-dir playground/src/pkg
+      - name: "Install Node dependencies"
+        run: npm ci
+        working-directory: playground
+      - name: "Run TypeScript checks"
+        run: npm run check
+        working-directory: playground
+      - name: "Build JavaScript bundle"
+        run: npm run build
+        working-directory: playground
+      - name: "Deploy to Cloudflare Pages"
+        env:
+          CF_API_TOKEN: ${{ secrets.CF_API_TOKEN }}
+        if: ${{ env.CF_API_TOKEN }} != null
+        uses: cloudflare/wrangler-action@2.0.0
+        with:
+          apiToken: ${{ secrets.CF_API_TOKEN }}
+          accountId: ${{ secrets.CF_ACCOUNT_ID }}
+          command: pages publish playground/dist --project-name=ruff --branch ${GITHUB_HEAD_REF} --commit-hash ${GITHUB_SHA}
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
  - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.192
+    rev: v0.0.195
    hooks:
      - id: ruff

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -48,8 +48,8 @@ prior to merging.
 There are four phases to adding a new lint rule:

 1. Define the rule in `src/checks.rs`.
-2. Define the _logic_ for triggering the rule in `src/check_ast.rs` (for AST-based checks),
-   `src/check_tokens.rs` (for token-based checks), or `src/check_lines.rs` (for text-based checks).
+2. Define the _logic_ for triggering the rule in `src/checkers/ast.rs` (for AST-based checks),
+   `src/checkers/tokens.rs` (for token-based checks), or `src/checkers/lines.rs` (for text-based checks).
 3. Add a test fixture.
 4. Update the generated files (documentation and generated code).

@@ -105,7 +105,8 @@ You may also want to add the new configuration option to the `flake8-to-ruff` to
 responsible for converting `flake8` configuration files to Ruff's TOML format. This logic
 lives in `flake8_to_ruff/src/converter.rs`.

-To update the documentation for supported configuration options, run `cargo dev generate-options`.
+Run `cargo dev generate-options` to update the documentation for supported configuration options,
+and `cargo dev generate-json-schema` to update the JSON schema for `tool.ruff` in `pyproject.toml`.

 ## Release process

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -61,9 +61,9 @@ dependencies = [

 [[package]]
 name = "anyhow"
-version = "1.0.66"
+version = "1.0.68"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"
+checksum = "2cb2f989d18dd141ab8ae82f64d1a8cdd37e0840f73a406896cf5e99502fab61"

 [[package]]
 name = "ascii"
@@ -86,7 +86,7 @@ version = "2.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fa3d466004a8b4cb1bc34044240a2fd29d17607e2e3bd613eb44fd48e8100da3"
 dependencies = [
- "bstr 1.0.1",
+ "bstr 1.1.0",
 "doc-comment",
 "predicates",
 "predicates-core",
@@ -160,9 +160,9 @@ dependencies = [

 [[package]]
 name = "bstr"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fca0852af221f458706eb0725c03e4ed6c46af9ac98e6a689d5e634215d594dd"
+checksum = "b45ea9b00a7b3f2988e9a65ad3917e62123c38dba709b666506207be96d1790b"
 dependencies = [
 "memchr",
 "once_cell",
@@ -193,9 +193,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"

 [[package]]
 name = "cc"
-version = "1.0.77"
+version = "1.0.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e9f73505338f7d905b19d18738976aae232eb46b8efc15554ffc56deb5d9ebe4"
+checksum = "a20104e2335ce8a659d6dd92a51a767a0c062599c73b343fd152cb401e828c3d"

 [[package]]
 name = "cfg-if"
@@ -280,9 +280,9 @@ dependencies = [

 [[package]]
 name = "clap"
-version = "4.0.29"
+version = "4.0.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d63b9e9c07271b9957ad22c173bae2a4d9a81127680962039296abcd2f8251d"
+checksum = "a7db700bc935f9e43e88d00b0850dae18a63773cfbec6d8e070fccf7fef89a39"
 dependencies = [
 "bitflags",
 "clap_derive",
@@ -295,11 +295,11 @@ dependencies = [

 [[package]]
 name = "clap_complete"
-version = "4.0.6"
+version = "4.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7b3c9eae0de7bf8e3f904a5e40612b21fb2e2e566456d177809a48b892d24da"
+checksum = "10861370d2ba66b0f5989f83ebf35db6421713fd92351790e7fdd6c36774c56b"
 dependencies = [
- "clap 4.0.29",
+ "clap 4.0.32",
 ]

 [[package]]
@@ -308,7 +308,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4160b4a4f72ef58bd766bad27c09e6ef1cc9d82a22f6a0f55d152985a4a48e31"
 dependencies = [
- "clap 4.0.29",
+ "clap 4.0.32",
 "clap_complete",
 "clap_complete_fig",
 ]
@@ -319,7 +319,7 @@ version = "4.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46b30e010e669cd021e5004f3be26cff6b7c08d2a8a0d65b48d43a8cc0efd6c3"
 dependencies = [
- "clap 4.0.29",
+ "clap 4.0.32",
 "clap_complete",
 ]

@@ -422,6 +422,26 @@ dependencies = [
 "winapi",
 ]

+[[package]]
+name = "console_error_panic_hook"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
+dependencies = [
+ "cfg-if 1.0.0",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "console_log"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "501a375961cef1a0d44767200e66e4a559283097e91d0730b1d75dfb2f8a1494"
+dependencies = [
+ "log",
+ "web-sys",
+]
+
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.3"
@@ -524,9 +544,9 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"

 [[package]]
 name = "cxx"
-version = "1.0.83"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bdf07d07d6531bfcdbe9b8b739b104610c6508dcc4d63b410585faf338241daf"
+checksum = "5add3fc1717409d029b20c5b6903fc0c0b02fa6741d820054f4a2efa5e5816fd"
 dependencies = [
 "cc",
 "cxxbridge-flags",
@@ -536,9 +556,9 @@ dependencies = [

 [[package]]
 name = "cxx-build"
-version = "1.0.83"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d2eb5b96ecdc99f72657332953d4d9c50135af1bac34277801cc3937906ebd39"
+checksum = "b4c87959ba14bc6fbc61df77c3fcfe180fc32b93538c4f1031dd802ccb5f2ff0"
 dependencies = [
 "cc",
 "codespan-reporting",
@@ -551,15 +571,15 @@ dependencies = [

 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.83"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ac040a39517fd1674e0f32177648334b0f4074625b5588a64519804ba0553b12"
+checksum = "69a3e162fde4e594ed2b07d0f83c6c67b745e7f28ce58c6df5e6b6bef99dfb59"

 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.83"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1362b0ddcfc4eb0a1f57b68bd77dd99f0e826958a96abd0ae9bd092e114ffed6"
+checksum = "3e7e2adeb6a0d4a282e581096b06e1791532b7d576dcde5ccd9382acf55db8e6"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -644,6 +664,12 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fea41bba32d969b513997752735605054bc0dfa92b4c56bf1189f2e174be7a10"

+[[package]]
+name = "dyn-clone"
+version = "1.0.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9b0705efd4599c15a38151f4721f7bc388306f61084d3bfd50bd07fbca5cb60"
+
 [[package]]
 name = "either"
 version = "1.8.0"
@@ -706,9 +732,9 @@ dependencies = [

 [[package]]
 name = "filetime"
-version = "0.2.18"
+version = "0.2.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b9663d381d07ae25dc88dbdf27df458faa83a9b25336bcac83d5e452b5fc9d3"
+checksum = "4e884668cd0c7480504233e951174ddc3b382f7c2666e3b7310b5c4e7b0c37f9"
 dependencies = [
 "cfg-if 1.0.0",
 "libc",
@@ -724,10 +750,10 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"

 [[package]]
 name = "flake8-to-ruff"
-version = "0.0.192-dev.0"
+version = "0.0.195-dev.0"
 dependencies = [
 "anyhow",
- "clap 4.0.29",
+ "clap 4.0.32",
 "configparser",
 "once_cell",
 "regex",
@@ -946,9 +972,9 @@ dependencies = [

 [[package]]
 name = "insta"
-version = "1.22.0"
+version = "1.23.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "197f4e300af8b23664d4077bf5c40e0afa9ba66a567bb5a51d3def3c7b287d1c"
+checksum = "e48b08a091dfe5b09a6a9688c468fdd5b4396e92ce09e2eb932f0884b02788a4"
 dependencies = [
 "console",
 "lazy_static",
@@ -979,9 +1005,9 @@ dependencies = [

 [[package]]
 name = "is-terminal"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "927609f78c2913a6f6ac3c27a4fe87f43e2a35367c0c4b0f8265e8f49a104330"
+checksum = "28dfb6c8100ccc63462345b67d1bbc3679177c75ee4bf59bf29c8b1d110b8189"
 dependencies = [
 "hermit-abi 0.2.6",
 "io-lifetimes",
@@ -1000,9 +1026,9 @@ dependencies = [

 [[package]]
 name = "itoa"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4217ad341ebadf8d8e724e264f13e593e0648f5b3e94b3896a5df283be015ecc"
+checksum = "fad582f4b9e86b6caa621cabeb0963332d92eea04729ab12892c2533951e6440"

 [[package]]
 name = "joinery"
@@ -1109,9 +1135,9 @@ dependencies = [

 [[package]]
 name = "libc"
-version = "0.2.138"
+version = "0.2.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
+checksum = "201de327520df007757c1f0adce6e827fe8562fbc28bfd9c15571c66ca1f5f79"

 [[package]]
 name = "libcst"
@@ -1139,9 +1165,9 @@ dependencies = [

 [[package]]
 name = "link-cplusplus"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9272ab7b96c9046fbc5bc56c06c117cb639fe2d509df0c421cad82d2915cf369"
+checksum = "ecd207c9c713c34f95a097a5b029ac2ce6010530c7b49d7fea24d977dede04f5"
 dependencies = [
 "cc",
 ]
@@ -1154,9 +1180,9 @@ checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"

 [[package]]
 name = "linux-raw-sys"
-version = "0.1.3"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f9f08d8963a6c613f4b1a78f4f4a4dbfadf8e6545b2d72861731e4858b8b47f"
+checksum = "f051f77a7c8e6957c0696eac88f26b0117e54f52d3fc682ab19397a8812846a4"

 [[package]]
 name = "lock_api"
@@ -1228,6 +1254,12 @@ dependencies = [
 "windows-sys",
 ]

+[[package]]
+name = "natord"
+version = "1.0.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "308d96db8debc727c3fd9744aac51751243420e46edf401010908da7f8d5e57c"
+
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.4"
@@ -1328,11 +1360,11 @@ dependencies = [

 [[package]]
 name = "num_cpus"
-version = "1.14.0"
+version = "1.15.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"
+checksum = "0fac9e2da13b5eb447a6ce3d392f23a29d8694bff781bf03a16cd9ac8697593b"
 dependencies = [
- "hermit-abi 0.1.19",
+ "hermit-abi 0.2.6",
 "libc",
 ]

@@ -1379,9 +1411,9 @@ dependencies = [

 [[package]]
 name = "paste"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1de2e551fb905ac83f73f7aedf2f0cb4a0da7e35efa24a202a936269f1f18e1"
+checksum = "d01a5bd0424d00070b0098dd17ebca6f961a959dead1dbcbbbc1d1cd8d3deeba"

 [[package]]
 name = "path-absolutize"
@@ -1619,9 +1651,9 @@ dependencies = [

 [[package]]
 name = "proc-macro2"
-version = "1.0.47"
+version = "1.0.49"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ea3d908b0e36316caf9e9e2c4625cdde190a7e6f440d794667ed17a1855e725"
+checksum = "57a8eca9f9c4ffde41714334dee777596264c7825420f521abc92b5b5deb63a5"
 dependencies = [
 "unicode-ident",
 ]
@@ -1651,9 +1683,9 @@ dependencies = [

 [[package]]
 name = "quote"
-version = "1.0.21"
+version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bbe448f377a7d6961e30f5955f9b8d106c3f5e449d493ee1b125c1d43c2b5179"
+checksum = "8856d8364d252a14d474036ea1358d63c9e6965c8e5c1885c18f73d70bff9c7b"
 dependencies = [
 "proc-macro2",
 ]
@@ -1747,11 +1779,10 @@ dependencies = [

 [[package]]
 name = "rayon"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e060280438193c554f654141c9ea9417886713b7acd75974c85b18a69a88e0b"
+checksum = "6db3a213adf02b3bcfd2d3846bb41cb22857d131789e01df434fb7e7bc0759b7"
 dependencies = [
- "crossbeam-deque",
 "either",
 "rayon-core",
 ]
@@ -1847,7 +1878,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.192"
+version = "0.0.195"
 dependencies = [
 "annotate-snippets 0.9.1",
 "anyhow",
@@ -1856,12 +1887,15 @@ dependencies = [
 "bincode",
 "bitflags",
 "cachedir",
+ "cfg-if 1.0.0",
 "chrono",
- "clap 4.0.29",
+ "clap 4.0.32",
 "clap_complete_command",
 "clearscreen",
 "colored",
 "common-path",
+ "console_error_panic_hook",
+ "console_log",
 "criterion",
 "dirs 4.0.0",
 "fern",
@@ -1872,8 +1906,10 @@ dependencies = [
 "ignore",
 "insta",
 "itertools",
+ "js-sys",
 "libcst",
 "log",
+ "natord",
 "nohash-hasher",
 "notify",
 "num-bigint",
@@ -1888,7 +1924,10 @@ dependencies = [
 "rustpython-ast",
 "rustpython-common",
 "rustpython-parser",
+ "schemars",
+ "semver",
 "serde",
+ "serde-wasm-bindgen",
 "serde_json",
 "shellexpand",
 "strum",
@@ -1900,14 +1939,16 @@ dependencies = [
 "update-informer",
 "ureq",
 "walkdir",
+ "wasm-bindgen",
+ "wasm-bindgen-test",
 ]

 [[package]]
 name = "ruff_dev"
-version = "0.0.192"
+version = "0.0.195"
 dependencies = [
 "anyhow",
- "clap 4.0.29",
+ "clap 4.0.32",
 "codegen",
 "itertools",
 "libcst",
@@ -1916,13 +1957,16 @@ dependencies = [
 "rustpython-ast",
 "rustpython-common",
 "rustpython-parser",
+ "schemars",
+ "serde_json",
 "strum",
 "strum_macros",
+ "textwrap",
 ]

 [[package]]
 name = "ruff_macros"
-version = "0.0.192"
+version = "0.0.195"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -1938,9 +1982,9 @@ checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"

 [[package]]
 name = "rustix"
-version = "0.36.4"
+version = "0.36.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cb93e85278e08bb5788653183213d3a60fc242b10cb9be96586f5a73dcb67c23"
+checksum = "a3807b5d10909833d3e9acd1eb5fb988f79376ff10fce42937de71a449c4c588"
 dependencies = [
 "bitflags",
 "errno",
@@ -1965,7 +2009,7 @@ dependencies = [
 [[package]]
 name = "rustpython-ast"
 version = "0.1.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=247e815880766d556ef1ca6f0af69daf1a5fe59a#247e815880766d556ef1ca6f0af69daf1a5fe59a"
 dependencies = [
 "num-bigint",
 "rustpython-common",
@@ -1975,7 +2019,7 @@ dependencies = [
 [[package]]
 name = "rustpython-common"
 version = "0.0.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=247e815880766d556ef1ca6f0af69daf1a5fe59a#247e815880766d556ef1ca6f0af69daf1a5fe59a"
 dependencies = [
 "ascii",
 "cfg-if 1.0.0",
@@ -1998,7 +2042,7 @@ dependencies = [
 [[package]]
 name = "rustpython-compiler-core"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=247e815880766d556ef1ca6f0af69daf1a5fe59a#247e815880766d556ef1ca6f0af69daf1a5fe59a"
 dependencies = [
 "bincode",
 "bitflags",
@@ -2015,7 +2059,7 @@ dependencies = [
 [[package]]
 name = "rustpython-parser"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=247e815880766d556ef1ca6f0af69daf1a5fe59a#247e815880766d556ef1ca6f0af69daf1a5fe59a"
 dependencies = [
 "ahash",
 "anyhow",
@@ -2039,15 +2083,15 @@ dependencies = [

 [[package]]
 name = "rustversion"
-version = "1.0.9"
+version = "1.0.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97477e48b4cf8603ad5f7aaf897467cf42ab4218a38ef76fb14c2d6773a6d6a8"
+checksum = "5583e89e108996506031660fe09baa5011b9dd0341b89029313006d1fb508d70"

 [[package]]
 name = "ryu"
-version = "1.0.11"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+checksum = "7b4b9743ed687d4b4bcedf9ff5eaa7398495ae14e61cba0a295704edbc7decde"

 [[package]]
 name = "same-file"
@@ -2058,6 +2102,36 @@ dependencies = [
 "winapi-util",
 ]

+[[package]]
+name = "schemars"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a5fb6c61f29e723026dc8e923d94c694313212abbecbbe5f55a7748eec5b307"
+dependencies = [
+ "dyn-clone",
+ "schemars_derive",
+ "serde",
+ "serde_json",
+]
+
+[[package]]
+name = "schemars_derive"
+version = "0.8.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f188d036977451159430f3b8dc82ec76364a42b7e289c2b18a9a18f4470058e9"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "serde_derive_internals",
+ "syn",
+]
+
+[[package]]
+name = "scoped-tls"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e1cf6437eb19a8f4a6cc0f7dca544973b0b78843adbfeb3683d1a94a0024a294"
+
 [[package]]
 name = "scopeguard"
 version = "1.1.0"
@@ -2066,9 +2140,9 @@ checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"

 [[package]]
 name = "scratch"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9c8132065adcfd6e02db789d9285a0deb2f3fcb04002865ab67d5fb103533898"
+checksum = "ddccb15bcce173023b3fedd9436f882a0739b8dfb45e4f6b6002bee5929f61b2"

 [[package]]
 name = "sct"
@@ -2082,24 +2156,46 @@ dependencies = [

 [[package]]
 name = "semver"
-version = "1.0.14"
+version = "1.0.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e25dfac463d778e353db5be2449d1cce89bd6fd23c9f1ea21310ce6e5a1b29c4"
+checksum = "58bc9567378fc7690d6b2addae4e60ac2eeea07becb2c64b9f218b53865cba2a"

 [[package]]
 name = "serde"
-version = "1.0.148"
+version = "1.0.151"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e53f64bb4ba0191d6d0676e1b141ca55047d83b74f5607e6d8eb88126c52c2dc"
+checksum = "97fed41fc1a24994d044e6db6935e69511a1153b52c15eb42493b26fa87feba0"
 dependencies = [
 "serde_derive",
 ]

 [[package]]
-name = "serde_derive"
-version = "1.0.148"
+name = "serde-wasm-bindgen"
+version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a55492425aa53521babf6137309e7d34c20bbfbbfcfe2c7f3a047fd1f6b92c0c"
+checksum = "e3b4c031cd0d9014307d82b8abf653c0290fbdaeb4c02d00c63cf52f728628bf"
+dependencies = [
+ "js-sys",
+ "serde",
+ "wasm-bindgen",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.151"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "255abe9a125a985c05190d687b320c12f9b1f0b99445e608c21ba0782c719ad8"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_derive_internals"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85bf8229e7920a9f636479437026331ce11aa132b4dde37d121944a44d6e5f3c"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2108,9 +2204,9 @@ dependencies = [

 [[package]]
 name = "serde_json"
-version = "1.0.89"
+version = "1.0.91"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "020ff22c755c2ed3f8cf162dbb41a7268d934702f3ed3631656ea597e08fc3db"
+checksum = "877c235533714907a8c2464236f5c4b2a17262ef1bd71f38f35ea592c8da6883"
 dependencies = [
 "itoa",
 "ryu",
@@ -2164,9 +2260,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"

 [[package]]
 name = "str_indices"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d9199fa80c817e074620be84374a520062ebac833f358d74b37060ce4a0f2c0"
+checksum = "5f026164926842ec52deb1938fae44f83dfdb82d0a5b0270c5bd5935ab74d6dd"

 [[package]]
 name = "string_cache"
@@ -2211,9 +2307,9 @@ dependencies = [

 [[package]]
 name = "syn"
-version = "1.0.105"
+version = "1.0.107"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"
+checksum = "1f4064b5b16e03ae50984a5a8ed5d4f8803e6bc1fd170a3cda91a1be4b18e3f5"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2318,18 +2414,18 @@ dependencies = [

 [[package]]
 name = "thiserror"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "10deb33631e3c9018b9baf9dcbbc4f737320d2b576bac10f6aefa048fa407e3e"
+checksum = "6a9cd18aa97d5c45c6603caea1da6628790b37f7a34b6ca89522331c5180fed0"
 dependencies = [
 "thiserror-impl",
 ]

 [[package]]
 name = "thiserror-impl"
-version = "1.0.37"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "982d17546b47146b28f7c22e3d08465f6b8903d0ea13c1660d9d84a6e7adcdbb"
+checksum = "1fb327af4685e4d03fa8cbcf1716380da910eeb2bb8be417e7f9fd3fb164f36f"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2403,9 +2499,9 @@ dependencies = [

 [[package]]
 name = "toml"
-version = "0.5.9"
+version = "0.5.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d82e1a7758622a465f8cee077614c73484dac5b836c02ff6a40d5d1010324d7"
+checksum = "1333c76748e868a4d9d1017b5ab53171dfd095f70c712fdb4653a406547f598f"
 dependencies = [
 "serde",
 ]
@@ -2492,9 +2588,9 @@ checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"

 [[package]]
 name = "unicode-ident"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ceab39d59e4c9499d4e5a8ee0e2735b891bb7308ac83dfb4e80cad195c9f6f3"
+checksum = "84a22b9f218b40614adcb3f4ff08b703773ad44fa9423e4e0d346d5db86e4ebc"

 [[package]]
 name = "unicode-linebreak"
@@ -2663,6 +2759,18 @@ dependencies = [
 "wasm-bindgen-shared",
 ]

+[[package]]
+name = "wasm-bindgen-futures"
+version = "0.4.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"
+dependencies = [
+ "cfg-if 1.0.0",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "wasm-bindgen-macro"
 version = "0.2.83"
@@ -2692,6 +2800,30 @@ version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"

+[[package]]
+name = "wasm-bindgen-test"
+version = "0.3.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09d2fff962180c3fadf677438054b1db62bee4aa32af26a45388af07d1287e1d"
+dependencies = [
+ "console_error_panic_hook",
+ "js-sys",
+ "scoped-tls",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "wasm-bindgen-test-macro",
+]
+
+[[package]]
+name = "wasm-bindgen-test-macro"
+version = "0.3.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4683da3dfc016f704c9f82cf401520c4f1cb3ee440f7f52b3d6ac29506a49ca7"
+dependencies = [
+ "proc-macro2",
+ "quote",
+]
+
 [[package]]
 name = "web-sys"
 version = "0.3.60"
@@ -2714,9 +2846,9 @@ dependencies = [

 [[package]]
 name = "webpki-roots"
-version = "0.22.5"
+version = "0.22.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "368bfe657969fb01238bb756d351dcade285e0f6fcbd36dcb23359a5169975be"
+checksum = "b6c71e40d7d2c34a5106301fb632274ca37242cd0c9d3e64dbece371a40a2d87"
 dependencies = [
 "webpki",
 ]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,12 +6,13 @@ members = [

 [package]
 name = "ruff"
-version = "0.0.192"
+version = "0.0.195"
 edition = "2021"
 rust-version = "1.65.0"

 [lib]
 name = "ruff"
+crate-type = ["cdylib", "rlib"]

 [dependencies]
 annotate-snippets = { version = "0.9.1", features = ["color"] }
@@ -20,9 +21,10 @@ atty = { version = "0.2.14" }
 bincode = { version = "1.3.3" }
 bitflags = { version = "1.3.2" }
 cachedir = { version = "0.3.0" }
+cfg-if = { version = "1.0.0" }
 chrono = { version = "0.4.21", default-features = false, features = ["clock"] }
 clap = { version = "4.0.1", features = ["derive"] }
-clap_complete_command = "0.4.0"
+clap_complete_command = { version = "0.4.0" }
 colored = { version = "2.0.0" }
 common-path = { version = "1.0.0" }
 dirs = { version = "4.0.0" }
@@ -34,20 +36,22 @@ ignore = { version = "0.4.18" }
 itertools = { version = "0.10.5" }
 libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "f2f0b7a487a8725d161fe8b3ed73a6758b21e177" }
 log = { version = "0.4.17" }
+natord = { version = "1.0.9" }
 nohash-hasher = { version = "0.2.0" }
 notify = { version = "5.0.0" }
 num-bigint = { version = "0.4.3" }
 once_cell = { version = "1.16.0" }
 path-absolutize = { version = "3.0.14", features = ["once_cell_cache", "use_unix_paths_on_wasm"] }
 quick-junit = { version = "0.3.2" }
-rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
 ropey = { version = "1.5.0", features = ["cr_lines", "simd"], default-features = false }
-ruff_macros = { version = "0.0.192", path = "ruff_macros" }
+ruff_macros = { version = "0.0.195", path = "ruff_macros" }
 rustc-hash = { version = "1.1.0" }
-rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "c01f014b1269eedcf4bdb45d5fbc62ae2beecf31" }
-rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "c01f014b1269eedcf4bdb45d5fbc62ae2beecf31" }
-rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "c01f014b1269eedcf4bdb45d5fbc62ae2beecf31" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "247e815880766d556ef1ca6f0af69daf1a5fe59a" }
+rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "247e815880766d556ef1ca6f0af69daf1a5fe59a" }
+rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "247e815880766d556ef1ca6f0af69daf1a5fe59a" }
+schemars = { version = "0.8.11" }
+semver = { version = "1.0.16" }
 serde = { version = "1.0.147", features = ["derive"] }
 serde_json = { version = "1.0.87" }
 shellexpand = { version = "3.0.0" }
@@ -56,23 +60,32 @@ strum_macros = { version = "0.24.3" }
 textwrap = { version = "0.16.0" }
 titlecase = { version = "2.2.1" }
 toml = { version = "0.5.9" }
-update-informer = { version = "0.5.0", default-features = false, features = ["pypi"], optional = true }
 walkdir = { version = "2.3.2" }

 [target.'cfg(not(target_family = "wasm"))'.dependencies]
-clearscreen = { version = "1.0.10" } # uses which
+clearscreen = { version = "1.0.10" }
+rayon = { version = "1.5.3" }
+update-informer = { version = "0.5.0", default-features = false, features = ["pypi"], optional = true }

 # https://docs.rs/getrandom/0.2.7/getrandom/#webassembly-support
 # For (future) wasm-pack support
 [target.'cfg(all(target_family = "wasm", target_os = "unknown"))'.dependencies]
 getrandom = { version = "0.2.7", features = ["js"] }
+console_error_panic_hook = { version = "0.1.7" }
+console_log = { version = "0.2.0" }
+serde-wasm-bindgen = { version = "0.4" }
+js-sys = { version = "0.3.60" }
+wasm-bindgen = { version = "0.2.83" }

 [dev-dependencies]
-assert_cmd = { version = "2.0.4" }
-criterion = { version = "0.4.0" }
 insta = { version = "1.19.1", features = ["yaml"] }
 test-case = { version = "2.2.2" }
 ureq = { version = "2.5.0", features = [] }
+wasm-bindgen-test = { version = "0.3.33" }
+
+[target.'cfg(not(target_family = "wasm"))'.dev-dependencies]
+assert_cmd = { version = "2.0.4" }
+criterion = { version = "0.4.0" }

 [features]
 default = ["update-informer"]
@@ -90,6 +103,11 @@ opt-level = 3
 [profile.dev.package.similar]
 opt-level = 3

+# Reduce complexity of a parser function that would trigger a locals limit in a wasm tool.
+# https://github.com/bytecodealliance/wasm-tools/blob/b5c3d98e40590512a3b12470ef358d5c7b983b15/crates/wasmparser/src/limits.rs#L29
+[profile.dev.package.rustpython-parser]
+opt-level = 1
+
 [[bench]]
 name = "source_code_locator"
 harness = false
--- a/README.md
+++ b/README.md
@@ -17,7 +17,7 @@ An extremely fast Python linter, written in Rust.

 - ⚡️  10-100x faster than existing linters
 - 🐍  Installable via `pip`
- 🤝  Python 3.10 compatibility
+- 🤝  Python 3.11 compatibility
 - 🛠️  `pyproject.toml` support
 - 📦  Built-in caching, to avoid re-analyzing unchanged files
 - 🔧  Autofix support, for automatic error correction (e.g., automatically remove unused imports)
@@ -162,7 +162,7 @@ Ruff also works with [pre-commit](https://pre-commit.com):
 ```yaml
 - repo: https://github.com/charliermarsh/ruff-pre-commit
  # Ruff version.
-  rev: 'v0.0.192'
+  rev: 'v0.0.195'
  hooks:
    - id: ruff
      # Respect `exclude` and `extend-exclude` settings.
@@ -214,13 +214,6 @@ dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
 # Assume Python 3.10.
 target-version = "py310"

-[tool.ruff.flake8-import-conventions.aliases]
-altair = "alt"
-"matplotlib.pyplot" = "plt"
-numpy = "np"
-pandas = "pd"
-seaborn = "sns"
-
 [tool.ruff.mccabe]
 # Unlike Flake8, default to a complexity level of 10.
 max-complexity = 10
@@ -259,6 +252,27 @@ select = ["E", "F", "Q"]
 docstring-quotes = "double"
 ```

+As an alternative to `pyproject.toml`, Ruff will also respect a `ruff.toml` file, which implements
+an equivalent schema (though the `[tool.ruff]` hierarchy can be omitted). For example, the above
+`pyproject.toml` described above would be represented via the following `ruff.toml`:
+
+```toml
+# Enable Pyflakes and pycodestyle rules.
+select = ["E", "F"]
+
+# Never enforce `E501` (line length violations).
+ignore = ["E501"]
+
+# Always autofix, but never try to fix `F401` (unused imports).
+fix = true
+unfixable = ["F401"]
+
+# Ignore `E402` (import violations) in all `__init__.py` files, and in `path/to/file.py`.
+[per-file-ignores]
+"__init__.py" = ["E402"]
+"path/to/file.py" = ["E402"]
+```
+
 For a full list of configurable options, see the [API reference](#reference).

 Some common configuration settings can be provided via the command-line:
@@ -279,7 +293,7 @@ Arguments:

 Options:
      --config <CONFIG>
-          Path to the `pyproject.toml` file to use for configuration
+          Path to the `pyproject.toml` or `ruff.toml` file to use for configuration
  -v, --verbose
          Enable verbose logging
  -q, --quiet
@@ -292,6 +306,8 @@ Options:
          Run in watch mode by re-running whenever files change
      --fix
          Attempt to automatically fix lint errors
+      --fix-only
+          Fix any fixable lint errors, but don't report on leftover violations. Implies `--fix`
  -n, --no-cache
          Disable cache reads
      --select <SELECT>
@@ -318,6 +334,8 @@ Options:
          Show violations with source code
      --respect-gitignore
          Respect file exclusions via `.gitignore` and other standard ignore files
+      --force-exclude
+          Enforce exclusions, even for paths passed to Ruff directly on the command-line
      --show-files
          See the files Ruff will be run against with the current settings
      --show-settings
@@ -336,6 +354,8 @@ Options:
          The name of the file when passing it through stdin
      --explain <EXPLAIN>
          Explain a rule
+      --cache-dir <CACHE_DIR>
+          Path to the cache directory
  -h, --help
          Print help information
  -V, --version
@@ -379,6 +399,9 @@ extend = "../pyproject.toml"
 line-length = 100
 ```

+All of the above rules apply equivalently to `ruff.toml` files. If Ruff detects both a `ruff.toml`
+and `pyproject.toml` file, it will defer to the `ruff.toml`.
+
 ### Python file discovery

 When passed a path on the command-line, Ruff will automatically discover all Python files in that
@@ -536,8 +559,8 @@ For more, see [pycodestyle](https://pypi.org/project/pycodestyle/2.9.1/) on PyPI
 | E743 | AmbiguousFunctionName | Ambiguous function name: `...` |  |
 | E902 | IOError | IOError: `...` |  |
 | E999 | SyntaxError | SyntaxError: `...` |  |
-| W292 | NoNewLineAtEndOfFile | No newline at end of file |  |
-| W605 | InvalidEscapeSequence | Invalid escape sequence: '\c' |  |
+| W292 | NoNewLineAtEndOfFile | No newline at end of file | 🛠 |
+| W605 | InvalidEscapeSequence | Invalid escape sequence: '\c' | 🛠 |

 ### mccabe (C90)

@@ -629,6 +652,8 @@ For more, see [pyupgrade](https://pypi.org/project/pyupgrade/3.2.0/) on PyPI.
 | UP015 | RedundantOpenModes | Unnecessary open mode parameters | 🛠 |
 | UP016 | RemoveSixCompat | Unnecessary `six` compatibility usage | 🛠 |
 | UP017 | DatetimeTimezoneUTC | Use `datetime.UTC` alias | 🛠 |
+| UP018 | NativeLiterals | Unnecessary call to `str` and `bytes` | 🛠 |
+| UP019 | TypingTextStrAlias | `typing.Text` is deprecated, use `str` | 🛠 |

 ### pep8-naming (N)

@@ -952,7 +977,7 @@ For more, see [Pylint](https://pypi.org/project/pylint/2.15.7/) on PyPI.
 | RUF001 | AmbiguousUnicodeCharacterString | String contains ambiguous unicode character '𝐁' (did you mean 'B'?) | 🛠 |
 | RUF002 | AmbiguousUnicodeCharacterDocstring | Docstring contains ambiguous unicode character '𝐁' (did you mean 'B'?) | 🛠 |
 | RUF003 | AmbiguousUnicodeCharacterComment | Comment contains ambiguous unicode character '𝐁' (did you mean 'B'?) |  |
-| RUF100 | UnusedNOQA | Unused `noqa` directive | 🛠 |
+| RUF100 | UnusedNOQA | Unused blanket `noqa` directive | 🛠 |

 <!-- End auto-generated sections. -->

@@ -1018,19 +1043,17 @@ local configs = require 'lspconfig.configs'
 if not configs.ruff_lsp then
  configs.ruff_lsp = {
    default_config = {
-    cmd = { "ruff-lsp" },
-    filetypes = {'python'},
-    root_dir = require('lspconfig').util.find_git_ancestor,
-    settings = {
-      ruff_lsp = {
-        -- Any extra CLI arguments for `ruff` go here.
-        args = {}
+      cmd = { 'ruff-lsp' },
+      filetypes = { 'python' },
+      root_dir = require('lspconfig').util.find_git_ancestor,
+      init_options = {
+        settings = {
+          args = {}
+        }
      }
    }
  }
-}
 end
-
 require('lspconfig').ruff_lsp.setup {
  on_attach = on_attach,
 }
@@ -1040,6 +1063,8 @@ Upon successful installation, you should see Ruff's diagnostics surfaced directl

 ![Code Actions available in Neovim](https://user-images.githubusercontent.com/1309177/208278707-25fa37e4-079d-4597-ad35-b95dba066960.png)

+To use `ruff-lsp` with other editors, including Sublime Text and Helix, see the [`ruff-lsp` documentation](https://github.com/charliermarsh/ruff-lsp#installation-and-usage).
+
 ### Language Server Protocol (Unofficial)

 Ruff is also available as the [`python-lsp-ruff`](https://github.com/python-lsp/python-lsp-ruff)
@@ -1078,24 +1103,15 @@ require'lspconfig'.pylsp.setup {
 }
 ```

-### PyCharm
-
-Ruff can be installed as an [External Tool](https://www.jetbrains.com/help/pycharm/configuring-third-party-tools.html)
-in PyCharm. Open the Preferences pane, then navigate to "Tools", then "External Tools". From there,
-add a new tool with the following configuration:
-
-![Install Ruff as an External Tool](https://user-images.githubusercontent.com/1309177/193155720-336e43f0-1a8d-46b4-bc12-e60f9ae01f7e.png)
-
-Ruff should then appear as a runnable action:
-
-![Ruff as a runnable action](https://user-images.githubusercontent.com/1309177/193156026-732b0aaf-3dd9-4549-9b4d-2de6d2168a33.png)
-
 ### Vim & Neovim

 Ruff can be integrated into any editor that supports the Language Server Protocol via [`ruff-lsp`](https://github.com/charliermarsh/ruff-lsp)
-(see: [Language Server Protocol](#language-server-protocol-official)).
+(see: [Language Server Protocol](#language-server-protocol-official)), including Vim and Neovim.

-Ruff is also available as part of the [coc-pyright](https://github.com/fannheyward/coc-pyright)
+It's recommended that you use [`ruff-lsp`](https://github.com/charliermarsh/ruff-lsp), the
+officially supported LSP server for Ruff.
+
+However, Ruff is also available as part of the [coc-pyright](https://github.com/fannheyward/coc-pyright)
 extension for `coc.nvim`.

 <details>
@@ -1112,7 +1128,6 @@ tools:
    format-command: 'ruff --stdin-filename ${INPUT} --config ~/myconfigs/linters/ruff.toml --fix --exit-zero --quiet -'
    format-stdin: true
 ```
-
 </details>

 <details>
@@ -1149,9 +1164,26 @@ null_ls.setup({
    }
 })
 ```
-
 </details>

+
+### PyCharm (External Tool)
+
+Ruff can be installed as an [External Tool](https://www.jetbrains.com/help/pycharm/configuring-third-party-tools.html)
+in PyCharm. Open the Preferences pane, then navigate to "Tools", then "External Tools". From there,
+add a new tool with the following configuration:
+
+![Install Ruff as an External Tool](https://user-images.githubusercontent.com/1309177/193155720-336e43f0-1a8d-46b4-bc12-e60f9ae01f7e.png)
+
+Ruff should then appear as a runnable action:
+
+![Ruff as a runnable action](https://user-images.githubusercontent.com/1309177/193156026-732b0aaf-3dd9-4549-9b4d-2de6d2168a33.png)
+
+### PyCharm (Unofficial)
+
+Ruff is also available as the [Ruff](https://plugins.jetbrains.com/plugin/20574-ruff) plugin on the
+IntelliJ Marketplace (maintained by @koxudaxi).
+
 ### GitHub Actions

 GitHub Actions has everything you need to run Ruff out-of-the-box:
@@ -1167,7 +1199,7 @@ jobs:
      - name: Install Python
        uses: actions/setup-python@v4
        with:
-          python-version: "3.10"
+          python-version: "3.11"
      - name: Install dependencies
        run: |
          python -m pip install --upgrade pip
@@ -1225,7 +1257,7 @@ natively, including:
 - [`pep8-naming`](https://pypi.org/project/pep8-naming/)
 - [`pydocstyle`](https://pypi.org/project/pydocstyle/)
 - [`pygrep-hooks`](https://github.com/pre-commit/pygrep-hooks) (3/10)
- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (17/33)
+- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (19/33)
 - [`yesqa`](https://github.com/asottile/yesqa)

 Note that, in some cases, Ruff uses different error code prefixes than would be found in the
@@ -1282,7 +1314,7 @@ Today, Ruff can be used to replace Flake8 when used with any of the following pl
 Ruff can also replace [`isort`](https://pypi.org/project/isort/),
 [`yesqa`](https://github.com/asottile/yesqa), [`eradicate`](https://pypi.org/project/eradicate/),
 [`pygrep-hooks`](https://github.com/pre-commit/pygrep-hooks) (3/10), and a subset of the rules
-implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (17/33).
+implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (19/33).

 If you're looking to use Ruff, but rely on an unsupported Flake8 plugin, free to file an Issue.

@@ -1569,8 +1601,8 @@ Summary

 #### [`allowed-confusables`](#allowed-confusables)

-A list of allowed "confusable" Unicode characters to ignore when enforcing `RUF001`,
-`RUF002`, and `RUF003`.
+A list of allowed "confusable" Unicode characters to ignore when
+enforcing `RUF001`, `RUF002`, and `RUF003`.

 **Default value**: `[]`

@@ -1587,11 +1619,37 @@ allowed-confusables = ["−", "ρ", "∗"]

 ---

+#### [`cache-dir`](#cache-dir)
+
+A path to the cache directory.
+
+By default, Ruff stores cache results in a `.ruff_cache` directory in
+the current project root.
+
+However, Ruff will also respect the `RUFF_CACHE_DIR` environment
+variable, which takes precedence over that default.
+
+This setting will override even the `RUFF_CACHE_DIR` environment
+variable, if set.
+
+**Default value**: `.ruff_cache`
+
+**Type**: `PathBuf`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+cache-dir = "~/.cache/ruff"
+```
+
+---
+
 #### [`dummy-variable-rgx`](#dummy-variable-rgx)

-A regular expression used to identify "dummy" variables, or those which should be
-ignored when evaluating (e.g.) unused-variable checks. The default expression matches
-`_`, `__`, and `_var`, but not `_var_`.
+A regular expression used to identify "dummy" variables, or those which
+should be ignored when evaluating (e.g.) unused-variable checks. The
+default expression matches `_`, `__`, and `_var`, but not `_var_`.

 **Default value**: `"^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"`

@@ -1613,15 +1671,16 @@ A list of file patterns to exclude from linting.

 Exclusions are based on globs, and can be either:

- Single-path patterns, like `.mypy_cache` (to exclude any directory named `.mypy_cache` in the
-  tree), `foo.py` (to exclude any file named `foo.py`), or `foo_*.py` (to exclude any file matching
-  `foo_*.py` ).
- Relative patterns, like `directory/foo.py` (to exclude that specific file) or `directory/*.py`
-  (to exclude any Python files in `directory`). Note that these paths are relative to the
-  project root (e.g., the directory containing your `pyproject.toml`).
+- Single-path patterns, like `.mypy_cache` (to exclude any directory
+  named `.mypy_cache` in the tree), `foo.py` (to exclude any file named
+  `foo.py`), or `foo_*.py` (to exclude any file matching `foo_*.py` ).
+- Relative patterns, like `directory/foo.py` (to exclude that specific
+  file) or `directory/*.py` (to exclude any Python files in
+  `directory`). Note that these paths are relative to the project root
+  (e.g., the directory containing your `pyproject.toml`).

-Note that you'll typically want to use [`extend-exclude`](#extend-exclude) to modify
-the excluded paths.
+Note that you'll typically want to use
+[`extend-exclude`](#extend-exclude) to modify the excluded paths.

 **Default value**: `[".bzr", ".direnv", ".eggs", ".git", ".hg", ".mypy_cache", ".nox", ".pants.d", ".ruff_cache", ".svn", ".tox", ".venv", "__pypackages__", "_build", "buck-out", "build", "dist", "node_modules", "venv"]`

@@ -1638,12 +1697,13 @@ exclude = [".venv"]

 #### [`extend`](#extend)

-A path to a local `pyproject.toml` file to merge into this configuration. User home
-directory and environment variables will be expanded.
+A path to a local `pyproject.toml` file to merge into this
+configuration. User home directory and environment variables will be
+expanded.

-To resolve the current `pyproject.toml` file, Ruff will first resolve this base
-configuration file, then merge in any properties defined in the current configuration
-file.
+To resolve the current `pyproject.toml` file, Ruff will first resolve
+this base configuration file, then merge in any properties defined
+in the current configuration file.

 **Default value**: `None`

@@ -1663,7 +1723,8 @@ line-length = 100

 #### [`extend-exclude`](#extend-exclude)

-A list of file patterns to omit from linting, in addition to those specified by `exclude`.
+A list of file patterns to omit from linting, in addition to those
+specified by `exclude`.

 **Default value**: `[]`

@@ -1681,7 +1742,8 @@ extend-exclude = ["tests", "src/bad.py"]

 #### [`extend-ignore`](#extend-ignore)

-A list of check code prefixes to ignore, in addition to those specified by `ignore`.
+A list of check code prefixes to ignore, in addition to those specified
+by `ignore`.

 **Default value**: `[]`

@@ -1699,7 +1761,8 @@ extend-ignore = ["F841"]

 #### [`extend-select`](#extend-select)

-A list of check code prefixes to enable, in addition to those specified by `select`.
+A list of check code prefixes to enable, in addition to those specified
+by `select`.

 **Default value**: `[]`

@@ -1717,9 +1780,10 @@ extend-select = ["B", "Q"]

 #### [`external`](#external)

-A list of check codes that are unsupported by Ruff, but should be preserved when (e.g.)
-validating `# noqa` directives. Useful for retaining `# noqa` directives that cover plugins not
-yet implemented in Ruff.
+A list of check codes that are unsupported by Ruff, but should be
+preserved when (e.g.) validating `# noqa` directives. Useful for
+retaining `# noqa` directives that cover plugins not yet implemented
+in Ruff.

 **Default value**: `[]`

@@ -1754,6 +1818,23 @@ fix = true

 ---

+#### [`fix-only`](#fix-only)
+
+Like `fix`, but disables reporting on leftover violation. Implies `fix`.
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+fix-only = true
+```
+
+---
+
 #### [`fixable`](#fixable)

 A list of check code prefixes to consider autofix-able.
@@ -1774,14 +1855,16 @@ fixable = ["E", "F"]

 #### [`force-exclude`](#force-exclude)

-Whether to enforce `exclude` and `extend-exclude` patterns, even for paths that are
-passed to Ruff explicitly. Typically, Ruff will lint any paths passed in directly, even
-if they would typically be excluded. Setting `force-exclude = true` will cause Ruff to
+Whether to enforce `exclude` and `extend-exclude` patterns, even for
+paths that are passed to Ruff explicitly. Typically, Ruff will lint
+any paths passed in directly, even if they would typically be
+excluded. Setting `force-exclude = true` will cause Ruff to
 respect these exclusions unequivocally.

 This is useful for [`pre-commit`](https://pre-commit.com/), which explicitly passes all
 changed files to the [`ruff-pre-commit`](https://github.com/charliermarsh/ruff-pre-commit)
-plugin, regardless of whether they're marked as excluded by Ruff's own settings.
+plugin, regardless of whether they're marked as excluded by Ruff's own
+settings.

 **Default value**: `false`

@@ -1798,9 +1881,10 @@ force-exclude = true

 #### [`format`](#format)

-The style in which violation messages should be formatted: `"text"` (default),
-`"grouped"` (group messages by file), `"json"` (machine-readable), `"junit"`
-(machine-readable XML), or `"github"` (GitHub Actions annotations).
+The style in which violation messages should be formatted: `"text"`
+(default), `"grouped"` (group messages by file), `"json"`
+(machine-readable), `"junit"` (machine-readable XML), or `"github"`
+(GitHub Actions annotations).

 **Default value**: `"text"`

@@ -1818,11 +1902,13 @@ format = "grouped"

 #### [`ignore`](#ignore)

-A list of check code prefixes to ignore. Prefixes can specify exact checks (like
-`F841`), entire categories (like `F`), or anything in between.
+A list of check code prefixes to ignore. Prefixes can specify exact
+checks (like `F841`), entire categories (like `F`), or anything in
+between.

-When breaking ties between enabled and disabled checks (via `select` and `ignore`,
-respectively), more specific prefixes override less specific prefixes.
+When breaking ties between enabled and disabled checks (via `select` and
+`ignore`, respectively), more specific prefixes override less
+specific prefixes.

 **Default value**: `[]`

@@ -1840,10 +1926,11 @@ ignore = ["F841"]

 #### [`ignore-init-module-imports`](#ignore-init-module-imports)

-Avoid automatically removing unused imports in `__init__.py` files. Such imports will
-still be +flagged, but with a dedicated message suggesting that the import is either
-added to the module' +`__all__` symbol, or re-exported with a redundant alias (e.g.,
-`import os as os`).
+Avoid automatically removing unused imports in `__init__.py` files. Such
+imports will still be +flagged, but with a dedicated message
+suggesting that the import is either added to the module' +`__all__`
+symbol, or re-exported with a redundant alias (e.g., `import os as
+os`).

 **Default value**: `false`

@@ -1860,7 +1947,8 @@ ignore-init-module-imports = true

 #### [`line-length`](#line-length)

-The line length to use when enforcing long-lines violations (like E501).
+The line length to use when enforcing long-lines violations (like
+`E501`).

 **Default value**: `88`

@@ -1878,8 +1966,8 @@ line-length = 120

 #### [`per-file-ignores`](#per-file-ignores)

-A list of mappings from file pattern to check code prefixes to exclude, when considering
-any matching files.
+A list of mappings from file pattern to check code prefixes to exclude,
+when considering any matching files.

 **Default value**: `{}`

@@ -1897,10 +1985,30 @@ any matching files.

 ---

+#### [`required-version`](#required-version)
+
+Require a specific version of Ruff to be running (useful for unifying
+results across many environments, e.g., with a `pyproject.toml`
+file).
+
+**Default value**: `None`
+
+**Type**: `String`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+required-version = "0.0.193"
+```
+
+---
+
 #### [`respect-gitignore`](#respect-gitignore)

-Whether to automatically exclude files that are ignored by `.ignore`, `.gitignore`,
-`.git/info/exclude`, and global `gitignore` files. Enabled by default.
+Whether to automatically exclude files that are ignored by `.ignore`,
+`.gitignore`, `.git/info/exclude`, and global `gitignore` files.
+Enabled by default.

 **Default value**: `true`

@@ -1917,11 +2025,13 @@ respect_gitignore = false

 #### [`select`](#select)

-A list of check code prefixes to enable. Prefixes can specify exact checks (like
-`F841`), entire categories (like `F`), or anything in between.
+A list of check code prefixes to enable. Prefixes can specify exact
+checks (like `F841`), entire categories (like `F`), or anything in
+between.

-When breaking ties between enabled and disabled checks (via `select` and `ignore`,
-respectively), more specific prefixes override less specific prefixes.
+When breaking ties between enabled and disabled checks (via `select` and
+`ignore`, respectively), more specific prefixes override less
+specific prefixes.

 **Default value**: `["E", "F"]`

@@ -1939,8 +2049,8 @@ select = ["E", "F", "B", "Q"]

 #### [`show-source`](#show-source)

-Whether to show source code snippets when reporting lint error violations (overridden by
-the `--show-source` command-line flag).
+Whether to show source code snippets when reporting lint error
+violations (overridden by the `--show-source` command-line flag).

 **Default value**: `false`

@@ -1958,7 +2068,8 @@ show-source = true

 #### [`src`](#src)

-The source code paths to consider, e.g., when resolving first- vs. third-party imports.
+The source code paths to consider, e.g., when resolving first- vs.
+third-party imports.

 As an example: given a Python package structure like:

@@ -1972,13 +2083,15 @@ my_package/
      bar.py
 ```

-The `src` directory should be included in `source` (e.g., `source = ["src"]`), such that
-when resolving imports, `my_package.foo` is considered a first-party import.
+The `src` directory should be included in `source` (e.g., `source =
+["src"]`), such that when resolving imports, `my_package.foo` is
+considered a first-party import.

-This field supports globs. For example, if you have a series of Python packages in
-a `python_modules` directory, `src = ["python_modules/*"]` would expand to incorporate
-all of the packages in that directory. User home directory and environment variables
-will also be expanded.
+This field supports globs. For example, if you have a series of Python
+packages in a `python_modules` directory, `src =
+["python_modules/*"]` would expand to incorporate all of the
+packages in that directory. User home directory and environment
+variables will also be expanded.

 **Default value**: `["."]`

@@ -1996,9 +2109,10 @@ src = ["src", "test"]

 #### [`target-version`](#target-version)

-The Python version to target, e.g., when considering automatic code upgrades, like
-rewriting type annotations. Note that the target version will _not_ be inferred from the
-_current_ Python version, and instead must be specified explicitly (as seen below).
+The Python version to target, e.g., when considering automatic code
+upgrades, like rewriting type annotations. Note that the target
+version will _not_ be inferred from the _current_ Python version,
+and instead must be specified explicitly (as seen below).

 **Default value**: `"py310"`

@@ -2036,7 +2150,8 @@ unfixable = ["F401"]

 #### [`allow-star-arg-any`](#allow-star-arg-any)

-Whether to suppress `ANN401` for dynamically typed `*args` and `**kwargs` arguments.
+Whether to suppress `ANN401` for dynamically typed `*args` and
+`**kwargs` arguments.

 **Default value**: `false`

@@ -2053,8 +2168,8 @@ allow-star-arg-any = true

 #### [`mypy-init-return`](#mypy-init-return)

-Whether to allow the omission of a return type hint for `__init__` if at least one
-argument is annotated.
+Whether to allow the omission of a return type hint for `__init__` if at
+least one argument is annotated.

 **Default value**: `false`

@@ -2071,8 +2186,8 @@ mypy-init-return = true

 #### [`suppress-dummy-args`](#suppress-dummy-args)

-Whether to suppress `ANN000`-level errors for arguments matching the "dummy" variable
-regex (like `_`).
+Whether to suppress `ANN000`-level errors for arguments matching the
+"dummy" variable regex (like `_`).

 **Default value**: `false`

@@ -2089,11 +2204,12 @@ suppress-dummy-args = true

 #### [`suppress-none-returning`](#suppress-none-returning)

-Whether to suppress `ANN200`-level errors for functions that meet either of the
-following criteria:
+Whether to suppress `ANN200`-level errors for functions that meet either
+of the following criteria:

 - Contain no `return` statement.
- Explicit `return` statement(s) all return `None` (explicitly or implicitly).
+- Explicit `return` statement(s) all return `None` (explicitly or
+  implicitly).

 **Default value**: `false`

@@ -2112,8 +2228,8 @@ suppress-none-returning = true

 #### [`extend-immutable-calls`](#extend-immutable-calls)

-Additional callable functions to consider "immutable" when evaluating, e.g.,
-`no-mutable-default-argument` checks (`B006`).
+Additional callable functions to consider "immutable" when evaluating,
+e.g., `no-mutable-default-argument` checks (`B006`).

 **Default value**: `[]`

@@ -2152,7 +2268,8 @@ max-string-length = 20

 #### [`aliases`](#aliases)

-The conventional aliases for imports. These aliases can be extended by the `extend_aliases` option.
+The conventional aliases for imports. These aliases can be extended by
+the `extend_aliases` option.

 **Default value**: `{"altair": "alt", "matplotlib.pyplot": "plt", "numpy": "np", "pandas": "pd", "seaborn": "sns"}`

@@ -2174,7 +2291,8 @@ seaborn = "sns"

 #### [`extend-aliases`](#extend-aliases)

-A mapping of modules to their conventional import aliases. These aliases will be added to the `aliases` mapping.
+A mapping of modules to their conventional import aliases. These aliases
+will be added to the `aliases` mapping.

 **Default value**: `{}`

@@ -2194,8 +2312,8 @@ A mapping of modules to their conventional import aliases. These aliases will be

 #### [`avoid-escape`](#avoid-escape)

-Whether to avoid using single quotes if a string contains single quotes, or vice-versa
-with double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes).
+Whether to avoid using single quotes if a string contains single quotes,
+or vice-versa with double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes).
 This minimizes the need to escape quotation marks within strings.

 **Default value**: `true`
@@ -2214,7 +2332,8 @@ avoid-escape = false

 #### [`docstring-quotes`](#docstring-quotes)

-Quote style to prefer for docstrings (either "single" (`'`) or "double" (`"`)).
+Quote style to prefer for docstrings (either "single" (`'`) or "double"
+(`"`)).

 **Default value**: `"double"`

@@ -2231,7 +2350,8 @@ docstring-quotes = "single"

 #### [`inline-quotes`](#inline-quotes)

-Quote style to prefer for inline strings (either "single" (`'`) or "double" (`"`)).
+Quote style to prefer for inline strings (either "single" (`'`) or
+"double" (`"`)).

 **Default value**: `"double"`

@@ -2248,7 +2368,8 @@ inline-quotes = "single"

 #### [`multiline-quotes`](#multiline-quotes)

-Quote style to prefer for multiline strings (either "single" (`'`) or "double" (`"`)).
+Quote style to prefer for multiline strings (either "single" (`'`) or
+"double" (`"`)).

 **Default value**: `"double"`

@@ -2267,8 +2388,8 @@ multiline-quotes = "single"

 #### [`ban-relative-imports`](#ban-relative-imports)

-Whether to ban all relative imports (`"all"`), or only those imports that extend into
-the parent module and beyond (`"parents"`).
+Whether to ban all relative imports (`"all"`), or only those imports
+that extend into the parent module and beyond (`"parents"`).

 **Default value**: `"parents"`

@@ -2325,8 +2446,8 @@ combine-as-imports = true

 #### [`extra-standard-library`](#extra-standard-library)

-A list of modules to consider standard-library, in addition to those known to Ruff in
-advance.
+A list of modules to consider standard-library, in addition to those
+known to Ruff in advance.

 **Default value**: `[]`

@@ -2343,9 +2464,10 @@ extra-standard-library = ["path"]

 #### [`force-wrap-aliases`](#force-wrap-aliases)

-Force `import from` statements with multiple members and at least one alias (e.g.,
-`import A as B`) to wrap such that every line contains exactly one member. For example,
-this formatting would be retained, rather than condensing to a single line:
+Force `import from` statements with multiple members and at least one
+alias (e.g., `import A as B`) to wrap such that every line contains
+exactly one member. For example, this formatting would be retained,
+rather than condensing to a single line:

 ```py
 from .utils import (
@@ -2354,9 +2476,10 @@ from .utils import (
 )
 ```

-Note that this setting is only effective when combined with `combine-as-imports = true`.
-When `combine-as-imports` isn't enabled, every aliased `import from` will be given its
-own line, in which case, wrapping is not necessary.
+Note that this setting is only effective when combined with
+`combine-as-imports = true`. When `combine-as-imports` isn't
+enabled, every aliased `import from` will be given its own line, in
+which case, wrapping is not necessary.

 **Default value**: `false`

@@ -2374,8 +2497,8 @@ combine-as-imports = true

 #### [`known-first-party`](#known-first-party)

-A list of modules to consider first-party, regardless of whether they can be identified
-as such via introspection of the local filesystem.
+A list of modules to consider first-party, regardless of whether they
+can be identified as such via introspection of the local filesystem.

 **Default value**: `[]`

@@ -2392,8 +2515,8 @@ known-first-party = ["src"]

 #### [`known-third-party`](#known-third-party)

-A list of modules to consider third-party, regardless of whether they can be identified
-as such via introspection of the local filesystem.
+A list of modules to consider third-party, regardless of whether they
+can be identified as such via introspection of the local filesystem.

 **Default value**: `[]`

@@ -2408,6 +2531,26 @@ known-third-party = ["src"]

 ---

+#### [`split-on-trailing-comma`](#split-on-trailing-comma)
+
+If a comma is placed after the last member in a multi-line import, then
+the imports will never be folded into one line.
+
+See isort's [`split-on-trailing-comma`](https://pycqa.github.io/isort/docs/configuration/options.html#split-on-trailing-comma) option.
+
+**Default value**: `true`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+split-on-trailing-comma = false
+```
+
+---
+
 ### `mccabe`

 #### [`max-complexity`](#max-complexity)
@@ -2432,9 +2575,10 @@ max-complexity = 5

 #### [`classmethod-decorators`](#classmethod-decorators)

-A list of decorators that, when applied to a method, indicate that the method should be
-treated as a class method. For example, Ruff will expect that any method decorated by a
-decorator in this list takes a `cls` argument as its first argument.
+A list of decorators that, when applied to a method, indicate that the
+method should be treated as a class method. For example, Ruff will
+expect that any method decorated by a decorator in this list takes a
+`cls` argument as its first argument.

 **Default value**: `["classmethod"]`

@@ -2469,9 +2613,10 @@ ignore-names = ["callMethod"]

 #### [`staticmethod-decorators`](#staticmethod-decorators)

-A list of decorators that, when applied to a method, indicate that the method should be
-treated as a static method. For example, Ruff will expect that any method decorated by a
-decorator in this list has no `self` or `cls` argument.
+A list of decorators that, when applied to a method, indicate that the
+method should be treated as a static method. For example, Ruff will
+expect that any method decorated by a decorator in this list has no
+`self` or `cls` argument.

 **Default value**: `["staticmethod"]`

@@ -2491,7 +2636,11 @@ staticmethod-decorators = ["staticmethod", "stcmthd"]

 #### [`keep-runtime-typing`](#keep-runtime-typing)

-Whether to avoid PEP 585 (`List[int]` -> `list[int]`) and PEP 604 (`Optional[str]` -> `str | None`) rewrites even if a file imports `from __future__ import annotations`. Note that this setting is only applicable when the target Python version is below 3.9 and 3.10 respectively.
+Whether to avoid PEP 585 (`List[int]` -> `list[int]`) and PEP 604
+(`Optional[str]` -> `str | None`) rewrites even if a file imports `from
+__future__ import annotations`. Note that this setting is only
+applicable when the target Python version is below 3.9 and 3.10
+respectively.

 **Default value**: `false`

--- a/flake8_to_ruff/Cargo.lock
+++ b/flake8_to_ruff/Cargo.lock
@@ -771,7 +771,7 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"

 [[package]]
 name = "flake8_to_ruff"
-version = "0.0.192"
+version = "0.0.195"
 dependencies = [
 "anyhow",
 "clap",
@@ -1975,7 +1975,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.192"
+version = "0.0.195"
 dependencies = [
 "anyhow",
 "bincode",
@@ -2028,7 +2028,7 @@ dependencies = [
 [[package]]
 name = "rustpython-ast"
 version = "0.1.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=1b6cb170e925a43d605b3fed9f6b878e63e47744#1b6cb170e925a43d605b3fed9f6b878e63e47744"
 dependencies = [
 "num-bigint",
 "rustpython-common",
@@ -2038,7 +2038,7 @@ dependencies = [
 [[package]]
 name = "rustpython-common"
 version = "0.0.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=1b6cb170e925a43d605b3fed9f6b878e63e47744#1b6cb170e925a43d605b3fed9f6b878e63e47744"
 dependencies = [
 "ascii",
 "cfg-if 1.0.0",
@@ -2061,7 +2061,7 @@ dependencies = [
 [[package]]
 name = "rustpython-compiler-core"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=1b6cb170e925a43d605b3fed9f6b878e63e47744#1b6cb170e925a43d605b3fed9f6b878e63e47744"
 dependencies = [
 "bincode",
 "bitflags",
@@ -2078,7 +2078,7 @@ dependencies = [
 [[package]]
 name = "rustpython-parser"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=c01f014b1269eedcf4bdb45d5fbc62ae2beecf31#c01f014b1269eedcf4bdb45d5fbc62ae2beecf31"
+source = "git+https://github.com/RustPython/RustPython.git?rev=1b6cb170e925a43d605b3fed9f6b878e63e47744#1b6cb170e925a43d605b3fed9f6b878e63e47744"
 dependencies = [
 "ahash",
 "anyhow",
--- a/flake8_to_ruff/Cargo.toml
+++ b/flake8_to_ruff/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flake8-to-ruff"
-version = "0.0.192-dev.0"
+version = "0.0.195-dev.0"
 edition = "2021"

 [lib]
--- a/flake8_to_ruff/pyproject.toml
+++ b/flake8_to_ruff/pyproject.toml
@@ -12,6 +12,7 @@ classifiers = [
    "Programming Language :: Python :: 3.8",
    "Programming Language :: Python :: 3.9",
    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3 :: Only",
    "Topic :: Software Development :: Libraries :: Python Modules",
    "Topic :: Software Development :: Quality Assurance",
--- a/flake8_to_ruff/src/converter.rs
+++ b/flake8_to_ruff/src/converter.rs
@@ -67,10 +67,7 @@ pub fn convert(
                    }
                    let from_codes = plugin::infer_plugins_from_codes(&referenced_codes);
                    if !from_codes.is_empty() {
-                        eprintln!(
-                            "Inferred plugins from referenced check codes: {:#?}",
-                            from_codes
-                        );
+                        eprintln!("Inferred plugins from referenced check codes: {from_codes:#?}");
                    }
                    from_options.into_iter().chain(from_codes).collect()
                }),
@@ -298,6 +295,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -305,6 +303,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: None,
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::E,
@@ -315,6 +314,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
@@ -352,6 +352,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -359,6 +360,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: Some(100),
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::E,
@@ -369,6 +371,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
@@ -406,6 +409,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -413,6 +417,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: Some(100),
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::E,
@@ -423,6 +428,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
@@ -460,6 +466,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -467,6 +474,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: None,
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::E,
@@ -477,6 +485,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
@@ -514,6 +523,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -521,6 +531,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: None,
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::E,
@@ -531,6 +542,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
@@ -576,6 +588,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -583,6 +596,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: None,
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::D100,
@@ -629,6 +643,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
@@ -666,6 +681,7 @@ mod tests {
            extend_select: None,
            external: None,
            fix: None,
+            fix_only: None,
            fixable: None,
            format: None,
            force_exclude: None,
@@ -673,6 +689,7 @@ mod tests {
            ignore_init_module_imports: None,
            line_length: None,
            per_file_ignores: None,
+            required_version: None,
            respect_gitignore: None,
            select: Some(vec![
                CheckCodePrefix::E,
@@ -684,6 +701,7 @@ mod tests {
            src: None,
            target_version: None,
            unfixable: None,
+            cache_dir: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_errmsg: None,
--- a/playground/.eslintrc
+++ b/playground/.eslintrc
@@ -0,0 +1,25 @@
+{
+  "parser": "@typescript-eslint/parser",
+  "plugins": ["@typescript-eslint", "prettier"],
+  "extends": [
+    "eslint:recommended",
+    "plugin:@typescript-eslint/eslint-recommended",
+    "plugin:@typescript-eslint/recommended",
+    "plugin:react/recommended",
+    "plugin:react/jsx-runtime",
+    "plugin:react-hooks/recommended",
+    "plugin:import/recommended",
+    "plugin:import/typescript",
+    "plugin:prettier/recommended"
+  ],
+  "rules": {
+    // Disable some recommended rules that we don't want to enforce.
+    "@typescript-eslint/no-explicit-any": "off",
+    "@typescript-eslint/no-empty-function": "off"
+  },
+  "settings": {
+    "react": {
+      "version": "detect"
+    }
+  }
+}
--- a/playground/.gitignore
+++ b/playground/.gitignore
@@ -0,0 +1,130 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+lerna-debug.log*
+.pnpm-debug.log*
+
+# Diagnostic reports (https://nodejs.org/api/report.html)
+report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (https://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Snowpack dependency directory (https://snowpack.dev/)
+web_modules/
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variable files
+.env
+.env.development.local
+.env.test.local
+.env.production.local
+.env.local
+
+# parcel-bundler cache (https://parceljs.org/)
+.cache
+.parcel-cache
+
+# Next.js build output
+.next
+out
+
+# Nuxt.js build / generate output
+.nuxt
+dist
+
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
+
+# vuepress build output
+.vuepress/dist
+
+# vuepress v2.x temp and cache directory
+.temp
+.cache
+
+# Docusaurus cache and generated files
+.docusaurus
+
+# Serverless directories
+.serverless/
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# yarn v2
+.yarn/cache
+.yarn/unplugged
+.yarn/build-state.yml
+.yarn/install-state.gz
+.pnp.*
--- a/playground/.prettierignore
+++ b/playground/.prettierignore
@@ -0,0 +1 @@
+src/ruff_options.ts
--- a/playground/README.md
+++ b/playground/README.md
@@ -0,0 +1,10 @@
+# playground
+
+In-browser playground for Ruff. Available [https://ruff.pages.dev/](https://ruff.pages.dev/).
+
+## Getting started
+
+- To build the WASM module, run `wasm-pack build --target web --out-dir playground/src/pkg` from the
+  root directory.
+- Install TypeScript dependencies with: `npm install`.
+- Start the development server with: `npm run dev`.
--- a/playground/index.html
+++ b/playground/index.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <meta
+      name="description"
+      content="An in-browser playground for Ruff, an extremely fast Python linter written in Rust."
+    />
+    <meta name="keywords" content="ruff, python, rust, webassembly, wasm" />
+    <title>Ruff Playground</title>
+    <link
+      rel="icon"
+      href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🛠️</text></svg>"
+    />
+  </head>
+  <body>
+    <div id="root"></div>
+    <div style="display: flex; position: fixed; right: 16px; top: 16px">
+      <a href="https://GitHub.com/charliermarsh/ruff"
+        ><img
+          src="https://img.shields.io/github/stars/charliermarsh/ruff.svg?style=social&label=GitHub&maxAge=2592000&?logoWidth=100"
+          alt="GitHub stars"
+          style="width: 120px"
+      /></a>
+    </div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>
--- a/playground/package-lock.json
+++ b/playground/package-lock.json
--- a/playground/package.json
+++ b/playground/package.json
@@ -0,0 +1,38 @@
+{
+  "name": "playground",
+  "private": true,
+  "version": "0.0.0",
+  "type": "module",
+  "scripts": {
+    "build": "tsc && vite build",
+    "check": "npm run lint && npm run tsc",
+    "dev": "vite",
+    "fmt": "prettier --cache -w .",
+    "lint": "eslint --cache --ext .ts,.tsx src",
+    "preview": "vite preview",
+    "tsc": "tsc"
+  },
+  "dependencies": {
+    "@monaco-editor/react": "^4.4.6",
+    "lz-string": "^1.4.4",
+    "monaco-editor": "^0.34.1",
+    "react": "^18.2.0",
+    "react-dom": "^18.2.0"
+  },
+  "devDependencies": {
+    "@types/react": "^18.0.26",
+    "@types/react-dom": "^18.0.9",
+    "@typescript-eslint/eslint-plugin": "^5.47.1",
+    "@typescript-eslint/parser": "^5.47.1",
+    "@vitejs/plugin-react-swc": "^3.0.0",
+    "eslint": "^8.30.0",
+    "eslint-config-prettier": "^8.5.0",
+    "eslint-plugin-import": "^2.26.0",
+    "eslint-plugin-prettier": "^4.2.1",
+    "eslint-plugin-react": "^7.31.11",
+    "eslint-plugin-react-hooks": "^4.6.0",
+    "prettier": "^2.8.1",
+    "typescript": "^4.9.3",
+    "vite": "^4.0.0"
+  }
+}
--- a/playground/src/App.tsx
+++ b/playground/src/App.tsx
@@ -0,0 +1,200 @@
+import lzstring from "lz-string";
+import Editor, { useMonaco } from "@monaco-editor/react";
+import { MarkerSeverity } from "monaco-editor/esm/vs/editor/editor.api";
+import { useEffect, useState, useCallback } from "react";
+
+import init, { Check, check } from "./pkg/ruff.js";
+import { AVAILABLE_OPTIONS } from "./ruff_options";
+import { Config, getDefaultConfig, toRuffConfig } from "./config";
+import { Options } from "./Options";
+
+const DEFAULT_SOURCE =
+  "# Define a function that takes an integer n and returns the nth number in the Fibonacci\n" +
+  "# sequence.\n" +
+  "def fibonacci(n):\n" +
+  "  if n == 0:\n" +
+  "    return 0\n" +
+  "  elif n == 1:\n" +
+  "    return 1\n" +
+  "  else:\n" +
+  "    return fibonacci(n-1) + fibonacci(n-2)\n" +
+  "\n" +
+  "# Use a for loop to generate and print the first 10 numbers in the Fibonacci sequence.\n" +
+  "for i in range(10):\n" +
+  "  print(fibonacci(i))\n" +
+  "\n" +
+  "# Output:\n" +
+  "# 0\n" +
+  "# 1\n" +
+  "# 1\n" +
+  "# 2\n" +
+  "# 3\n" +
+  "# 5\n" +
+  "# 8\n" +
+  "# 13\n" +
+  "# 21\n" +
+  "# 34\n";
+
+function restoreConfigAndSource(): [Config, string] {
+  const value = lzstring.decompressFromEncodedURIComponent(
+    window.location.hash.slice(1)
+  );
+  let config = {};
+  let source = DEFAULT_SOURCE;
+
+  if (value) {
+    const parts = value.split("$$$");
+    config = JSON.parse(parts[0]);
+    source = parts[1];
+  }
+
+  return [config, source];
+}
+
+function persistConfigAndSource(config: Config, source: string) {
+  window.location.hash = lzstring.compressToEncodedURIComponent(
+    JSON.stringify(config) + "$$$" + source
+  );
+}
+
+const defaultConfig = getDefaultConfig(AVAILABLE_OPTIONS);
+
+export default function App() {
+  const monaco = useMonaco();
+  const [initialized, setInitialized] = useState<boolean>(false);
+  const [config, setConfig] = useState<Config | null>(null);
+  const [source, setSource] = useState<string | null>(null);
+  const [error, setError] = useState<string | null>(null);
+
+  useEffect(() => {
+    init().then(() => setInitialized(true));
+  }, []);
+
+  useEffect(() => {
+    if (source == null && config == null && monaco) {
+      const [config, source] = restoreConfigAndSource();
+      setConfig(config);
+      setSource(source);
+    }
+  }, [monaco, source, config]);
+
+  useEffect(() => {
+    if (config != null && source != null) {
+      persistConfigAndSource(config, source);
+    }
+  }, [config, source]);
+
+  useEffect(() => {
+    const editor = monaco?.editor;
+    const model = editor?.getModels()[0];
+    if (!editor || !model || !initialized || source == null || config == null) {
+      return;
+    }
+
+    let checks: Check[];
+    try {
+      checks = check(source, toRuffConfig(config));
+      setError(null);
+    } catch (e) {
+      setError(String(e));
+      return;
+    }
+
+    editor.setModelMarkers(
+      model,
+      "owner",
+      checks.map((check) => ({
+        startLineNumber: check.location.row,
+        startColumn: check.location.column + 1,
+        endLineNumber: check.end_location.row,
+        endColumn: check.end_location.column + 1,
+        message: `${check.code}: ${check.message}`,
+        severity: MarkerSeverity.Error,
+      }))
+    );
+
+    const codeActionProvider = monaco?.languages.registerCodeActionProvider(
+      "python",
+      {
+        // @ts-expect-error: The type definition is wrong.
+        provideCodeActions: function (model, position) {
+          const actions = checks
+            .filter((check) => position.startLineNumber === check.location.row)
+            .filter((check) => check.fix)
+            .map((check) => ({
+              title: `Fix ${check.code}`,
+              id: `fix-${check.code}`,
+              kind: "quickfix",
+              edit: check.fix
+                ? {
+                    edits: [
+                      {
+                        resource: model.uri,
+                        versionId: model.getVersionId(),
+                        edit: {
+                          range: {
+                            startLineNumber: check.fix.location.row,
+                            startColumn: check.fix.location.column + 1,
+                            endLineNumber: check.fix.end_location.row,
+                            endColumn: check.fix.end_location.column + 1,
+                          },
+                          text: check.fix.content,
+                        },
+                      },
+                    ],
+                  }
+                : undefined,
+            }));
+          return { actions, dispose: () => {} };
+        },
+      }
+    );
+
+    return () => {
+      codeActionProvider?.dispose();
+    };
+  }, [config, source, monaco, initialized]);
+
+  const handleEditorChange = useCallback(
+    (value: string | undefined) => {
+      setSource(value || "");
+    },
+    [setSource]
+  );
+
+  const handleOptionChange = useCallback(
+    (groupName: string, fieldName: string, value: string) => {
+      const group = Object.assign({}, (config || {})[groupName]);
+      if (value === defaultConfig[groupName][fieldName] || value === "") {
+        delete group[fieldName];
+      } else {
+        group[fieldName] = value;
+      }
+
+      setConfig({
+        ...config,
+        [groupName]: group,
+      });
+    },
+    [config]
+  );
+
+  return (
+    <div id="app">
+      <Options
+        config={config}
+        defaultConfig={defaultConfig}
+        onChange={handleOptionChange}
+      />
+      <Editor
+        options={{ readOnly: false, minimap: { enabled: false } }}
+        wrapperProps={{ className: "editor" }}
+        defaultLanguage="python"
+        value={source || ""}
+        theme={"light"}
+        onChange={handleEditorChange}
+      />
+      {error && <div id="error">{error}</div>}
+    </div>
+  );
+}
--- a/playground/src/Options.tsx
+++ b/playground/src/Options.tsx
@@ -0,0 +1,72 @@
+import { Config } from "./config";
+import { AVAILABLE_OPTIONS } from "./ruff_options";
+
+function OptionEntry({
+  config,
+  defaultConfig,
+  groupName,
+  fieldName,
+  onChange,
+}: {
+  config: Config | null;
+  defaultConfig: Config;
+  groupName: string;
+  fieldName: string;
+  onChange: (groupName: string, fieldName: string, value: string) => void;
+}) {
+  const value =
+    config && config[groupName] && config[groupName][fieldName]
+      ? config[groupName][fieldName]
+      : "";
+
+  return (
+    <span>
+      <label>
+        {fieldName}
+        <input
+          value={value}
+          placeholder={defaultConfig[groupName][fieldName]}
+          type="text"
+          onChange={(event) => {
+            onChange(groupName, fieldName, event.target.value);
+          }}
+        />
+      </label>
+    </span>
+  );
+}
+
+export function Options({
+  config,
+  defaultConfig,
+  onChange,
+}: {
+  config: Config | null;
+  defaultConfig: Config;
+  onChange: (groupName: string, fieldName: string, value: string) => void;
+}) {
+  return (
+    <div className="options">
+      {AVAILABLE_OPTIONS.map((group) => (
+        <details key={group.name}>
+          <summary>{group.name}</summary>
+          <div>
+            <ul>
+              {group.fields.map((field) => (
+                <li key={field.name}>
+                  <OptionEntry
+                    config={config}
+                    defaultConfig={defaultConfig}
+                    groupName={group.name}
+                    fieldName={field.name}
+                    onChange={onChange}
+                  />
+                </li>
+              ))}
+            </ul>
+          </div>
+        </details>
+      ))}
+    </div>
+  );
+}
--- a/playground/src/config.ts
+++ b/playground/src/config.ts
@@ -0,0 +1,52 @@
+import { OptionGroup } from "./ruff_options";
+
+export type Config = { [key: string]: { [key: string]: string } };
+
+export function getDefaultConfig(availableOptions: OptionGroup[]): Config {
+  const config: Config = {};
+  availableOptions.forEach((group) => {
+    config[group.name] = {};
+    group.fields.forEach((f) => {
+      config[group.name][f.name] = f.default;
+    });
+  });
+  return config;
+}
+
+/**
+ * Convert the config in the application to something Ruff accepts.
+ *
+ * Application config is always nested one level. Ruff allows for some
+ * top-level options.
+ *
+ * Any option value is parsed as JSON to convert it to a native JS object.
+ * If that fails, e.g. while a user is typing, we let the application handle that
+ * and show an error.
+ */
+export function toRuffConfig(config: Config): any {
+  const convertValue = (value: string): any => {
+    return value === "None" ? null : JSON.parse(value);
+  };
+
+  const result: any = {};
+  Object.keys(config).forEach((group_name) => {
+    const fields = config[group_name];
+    if (!fields || Object.keys(fields).length === 0) {
+      return;
+    }
+
+    if (group_name === "globals") {
+      Object.keys(fields).forEach((field_name) => {
+        result[field_name] = convertValue(fields[field_name]);
+      });
+    } else {
+      result[group_name] = {};
+
+      Object.keys(fields).forEach((field_name) => {
+        result[group_name][field_name] = convertValue(fields[field_name]);
+      });
+    }
+  });
+
+  return result;
+}
--- a/playground/src/custom.d.ts
+++ b/playground/src/custom.d.ts
@@ -0,0 +1,6 @@
+declare module "lz-string" {
+  function decompressFromEncodedURIComponent(
+    input: string | null
+  ): string | null;
+  function compressToEncodedURIComponent(input: string | null): string;
+}
--- a/playground/src/main.tsx
+++ b/playground/src/main.tsx
@@ -0,0 +1,10 @@
+import React from "react";
+import ReactDOM from "react-dom/client";
+import App from "./App";
+import "./style.css";
+
+ReactDOM.createRoot(document.getElementById("root") as HTMLElement).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);
--- a/playground/src/ruff_options.ts
+++ b/playground/src/ruff_options.ts
@@ -0,0 +1,222 @@
+
+// This file is auto-generated by `cargo dev generate-playground-options`.
+export interface OptionGroup {
+    name: string;
+    fields: {
+        name: string;
+        default: string;
+        type: string;
+    }[];
+};
+
+export const AVAILABLE_OPTIONS: OptionGroup[] = [
+    {"name": "globals", "fields": [
+        {
+            "name": "allowed-confusables",
+            "default": '[]',
+            "type": 'Vec<char>',
+        },
+        {
+            "name": "dummy-variable-rgx",
+            "default": '"^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"',
+            "type": 'Regex',
+        },
+        {
+            "name": "extend-ignore",
+            "default": '[]',
+            "type": 'Vec<CheckCodePrefix>',
+        },
+        {
+            "name": "extend-select",
+            "default": '[]',
+            "type": 'Vec<CheckCodePrefix>',
+        },
+        {
+            "name": "external",
+            "default": '[]',
+            "type": 'Vec<String>',
+        },
+        {
+            "name": "fix-only",
+            "default": 'false',
+            "type": 'bool',
+        },
+        {
+            "name": "ignore",
+            "default": '[]',
+            "type": 'Vec<CheckCodePrefix>',
+        },
+        {
+            "name": "line-length",
+            "default": '88',
+            "type": 'usize',
+        },
+        {
+            "name": "required-version",
+            "default": 'None',
+            "type": 'String',
+        },
+        {
+            "name": "select",
+            "default": '["E", "F"]',
+            "type": 'Vec<CheckCodePrefix>',
+        },
+        {
+            "name": "target-version",
+            "default": '"py310"',
+            "type": 'PythonVersion',
+        },
+        {
+            "name": "unfixable",
+            "default": '[]',
+            "type": 'Vec<CheckCodePrefix>',
+        },
+    ]},
+    {"name": "flake8-annotations", "fields": [
+        {
+            "name": "allow-star-arg-any",
+            "default": 'false',
+            "type": 'bool',
+        },
+        {
+            "name": "mypy-init-return",
+            "default": 'false',
+            "type": 'bool',
+        },
+        {
+            "name": "suppress-dummy-args",
+            "default": 'false',
+            "type": 'bool',
+        },
+        {
+            "name": "suppress-none-returning",
+            "default": 'false',
+            "type": 'bool',
+        },
+    ]},
+    {"name": "flake8-bugbear", "fields": [
+        {
+            "name": "extend-immutable-calls",
+            "default": '[]',
+            "type": 'Vec<String>',
+        },
+    ]},
+    {"name": "flake8-errmsg", "fields": [
+        {
+            "name": "max-string-length",
+            "default": '0',
+            "type": 'usize',
+        },
+    ]},
+    {"name": "flake8-import-conventions", "fields": [
+        {
+            "name": "aliases",
+            "default": '{"altair": "alt", "matplotlib.pyplot": "plt", "numpy": "np", "pandas": "pd", "seaborn": "sns"}',
+            "type": 'FxHashMap<String, String>',
+        },
+        {
+            "name": "extend-aliases",
+            "default": '{}',
+            "type": 'FxHashMap<String, String>',
+        },
+    ]},
+    {"name": "flake8-quotes", "fields": [
+        {
+            "name": "avoid-escape",
+            "default": 'true',
+            "type": 'bool',
+        },
+        {
+            "name": "docstring-quotes",
+            "default": '"double"',
+            "type": 'Quote',
+        },
+        {
+            "name": "inline-quotes",
+            "default": '"double"',
+            "type": 'Quote',
+        },
+        {
+            "name": "multiline-quotes",
+            "default": '"double"',
+            "type": 'Quote',
+        },
+    ]},
+    {"name": "flake8-tidy-imports", "fields": [
+        {
+            "name": "ban-relative-imports",
+            "default": '"parents"',
+            "type": 'Strictness',
+        },
+    ]},
+    {"name": "flake8-unused-arguments", "fields": [
+        {
+            "name": "ignore-variadic-names",
+            "default": 'false',
+            "type": 'bool',
+        },
+    ]},
+    {"name": "isort", "fields": [
+        {
+            "name": "combine-as-imports",
+            "default": 'false',
+            "type": 'bool',
+        },
+        {
+            "name": "extra-standard-library",
+            "default": '[]',
+            "type": 'Vec<String>',
+        },
+        {
+            "name": "force-wrap-aliases",
+            "default": 'false',
+            "type": 'bool',
+        },
+        {
+            "name": "known-first-party",
+            "default": '[]',
+            "type": 'Vec<String>',
+        },
+        {
+            "name": "known-third-party",
+            "default": '[]',
+            "type": 'Vec<String>',
+        },
+        {
+            "name": "split-on-trailing-comma",
+            "default": 'true',
+            "type": 'bool',
+        },
+    ]},
+    {"name": "mccabe", "fields": [
+        {
+            "name": "max-complexity",
+            "default": '10',
+            "type": 'usize',
+        },
+    ]},
+    {"name": "pep8-naming", "fields": [
+        {
+            "name": "classmethod-decorators",
+            "default": '["classmethod"]',
+            "type": 'Vec<String>',
+        },
+        {
+            "name": "ignore-names",
+            "default": '["setUp", "tearDown", "setUpClass", "tearDownClass", "setUpModule", "tearDownModule", "asyncSetUp", "asyncTearDown", "setUpTestData", "failureException", "longMessage", "maxDiff"]',
+            "type": 'Vec<String>',
+        },
+        {
+            "name": "staticmethod-decorators",
+            "default": '["staticmethod"]',
+            "type": 'Vec<String>',
+        },
+    ]},
+    {"name": "pyupgrade", "fields": [
+        {
+            "name": "keep-runtime-typing",
+            "default": 'false',
+            "type": 'bool',
+        },
+    ]},
+];
--- a/playground/src/style.css
+++ b/playground/src/style.css
@@ -0,0 +1,60 @@
+* {
+  box-sizing: border-box;
+}
+
+body,
+html,
+#root,
+#app {
+  margin: 0;
+  height: 100%;
+  width: 100%;
+}
+
+#app {
+  display: flex;
+}
+
+.options {
+  height: 100vh;
+  overflow-y: scroll;
+  padding: 1em;
+  min-width: 300px;
+  border-right: 1px solid lightgray;
+}
+
+.options ul {
+  padding-left: 1em;
+  list-style-type: none;
+}
+
+.options li {
+  margin-bottom: 0.3em;
+}
+
+.options details {
+  margin-bottom: 1em;
+}
+
+.options summary {
+  font-size: 1.3rem;
+}
+
+.options input {
+  display: block;
+  width: 100%;
+}
+
+.editor {
+  padding: 1em;
+}
+
+#error {
+  position: fixed;
+  bottom: 0;
+  width: 100%;
+  min-height: 1em;
+  padding: 1em;
+  background: darkred;
+  color: white;
+}
--- a/playground/src/vite-env.d.ts
+++ b/playground/src/vite-env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />
--- a/playground/tsconfig.json
+++ b/playground/tsconfig.json
@@ -0,0 +1,21 @@
+{
+  "compilerOptions": {
+    "target": "ESNext",
+    "useDefineForClassFields": true,
+    "lib": ["DOM", "DOM.Iterable", "ESNext"],
+    "allowJs": false,
+    "skipLibCheck": true,
+    "esModuleInterop": false,
+    "allowSyntheticDefaultImports": true,
+    "strict": true,
+    "forceConsistentCasingInFileNames": true,
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "resolveJsonModule": true,
+    "isolatedModules": true,
+    "noEmit": true,
+    "jsx": "react-jsx"
+  },
+  "include": ["src"],
+  "references": [{ "path": "./tsconfig.node.json" }]
+}
--- a/playground/tsconfig.node.json
+++ b/playground/tsconfig.node.json
@@ -0,0 +1,9 @@
+{
+  "compilerOptions": {
+    "composite": true,
+    "module": "ESNext",
+    "moduleResolution": "Node",
+    "allowSyntheticDefaultImports": true
+  },
+  "include": ["vite.config.ts"]
+}
--- a/playground/vite.config.ts
+++ b/playground/vite.config.ts
@@ -0,0 +1,7 @@
+import { defineConfig } from "vite";
+import react from "@vitejs/plugin-react-swc";
+
+// https://vitejs.dev/config/
+export default defineConfig({
+  plugins: [react()],
+});
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -12,6 +12,7 @@ classifiers = [
    "Programming Language :: Python :: 3.8",
    "Programming Language :: Python :: 3.9",
    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3 :: Only",
    "Topic :: Software Development :: Libraries :: Python Modules",
    "Topic :: Software Development :: Quality Assurance",
--- a/resources/test/fixtures/flake8_return/RET504.py
+++ b/resources/test/fixtures/flake8_return/RET504.py
@@ -237,3 +237,15 @@ def close(self):
            any_failed = True
            report(traceback.format_exc())
    return any_failed
+
+def global_assignment():
+    global X
+    X = 1
+    return X
+
+def nonlocal_assignment():
+    X = 1
+    def inner():
+        nonlocal X
+        X = 1
+        return X
--- a/resources/test/fixtures/flake8_unused_arguments/ARG.py
+++ b/resources/test/fixtures/flake8_unused_arguments/ARG.py
@@ -1,4 +1,5 @@
 from abc import abstractmethod
+from typing import overload
 from typing_extensions import override


@@ -135,3 +136,20 @@ class C:
    @override
    def f(x):
        print("Hello, world!")
+
+
+###
+# Unused arguments attached to overloads (OK).
+###
+@overload
+def f(a: str, b: str) -> str:
+    ...
+
+
+@overload
+def f(a: int, b: int) -> str:
+    ...
+
+
+def f(a, b):
+    return f"{a}{b}"
--- a/resources/test/fixtures/isort/comments.py
+++ b/resources/test/fixtures/isort/comments.py
@@ -23,3 +23,6 @@ from A import (
    b,  # Comment 10
    c,  # Comment 11
 )
+
+from D import a_long_name_to_force_multiple_lines # Comment 12
+from D import another_long_name_to_force_multiple_lines # Comment 13
--- a/resources/test/fixtures/isort/magic_trailing_comma.py
+++ b/resources/test/fixtures/isort/magic_trailing_comma.py
@@ -0,0 +1,38 @@
+# This has a magic trailing comma, will be sorted, but not rolled into one line
+from sys import (
+    stderr,
+    argv,
+    stdout,
+    exit,
+)
+
+# No magic comma, this will be rolled into one line.
+from os import (
+    path,
+    environ,
+    execl,
+    execv
+)
+
+from glob import (
+    glob,
+    iglob,
+    escape,  # Ends with a comment, should still treat as magic trailing comma.
+)
+
+# These will be combined, but without a trailing comma.
+from foo import bar
+from foo import baz
+
+# These will be combined, _with_ a trailing comma.
+from module1 import member1
+from module1 import (
+    member2,
+    member3,
+)
+
+# These will be combined, _with_ a trailing comma.
+from module2 import member1, member2
+from module2 import (
+    member3,
+)
--- a/resources/test/fixtures/isort/natural_order.py
+++ b/resources/test/fixtures/isort/natural_order.py
@@ -0,0 +1,16 @@
+import numpy1
+import numpy10
+import numpy2
+from numpy import (
+    cos,
+    int8,
+    sin,
+    int32,
+    int64,
+    tan,
+    uint8,
+    uint16,
+    int16,
+    uint32,
+    uint64,
+)
--- a/resources/test/fixtures/pycodestyle/E721.py
+++ b/resources/test/fixtures/pycodestyle/E721.py
@@ -15,7 +15,7 @@ import types
 if type(res) is not types.ListType:
    pass
 #: E721
-assert type(res) == type(False) or type(res) == type(None)
+assert type(res) == type(False)
 #: E721
 assert type(res) == type([])
 #: E721
@@ -52,3 +52,5 @@ if isinstance(res, types.MethodType):
    pass
 if type(a) != type(b) or type(a) == type(ccc):
    pass
+
+assert type(res) == type(None)
--- a/resources/test/fixtures/pycodestyle/W292_2.py
+++ b/resources/test/fixtures/pycodestyle/W292_2.py
@@ -1,2 +1,2 @@
 def fn() -> None:
-    pass
+    print("Newline present (no W292)")
--- a/resources/test/fixtures/pycodestyle/W292_3.py
+++ b/resources/test/fixtures/pycodestyle/W292_3.py
--- a/resources/test/fixtures/pycodestyle/W292_4.py
+++ b/resources/test/fixtures/pycodestyle/W292_4.py
@@ -0,0 +1 @@
+ 
--- a/resources/test/fixtures/pyupgrade/UP018.py
+++ b/resources/test/fixtures/pyupgrade/UP018.py
@@ -0,0 +1,25 @@
+# These remain unchanged
+str(1)
+str(*a)
+str("foo", *a)
+str(**k)
+str("foo", **k)
+str("foo", encoding="UTF-8")
+str("foo"
+    "bar")
+bytes("foo", encoding="UTF-8")
+bytes(*a)
+bytes("foo", *a)
+bytes("foo", **a)
+bytes(b"foo"
+      b"bar")
+
+# These become string or byte literals
+str()
+str("foo")
+str("""
+foo""")
+bytes()
+bytes(b"foo")
+bytes(b"""
+foo""")
--- a/resources/test/fixtures/pyupgrade/UP019.py
+++ b/resources/test/fixtures/pyupgrade/UP019.py
@@ -0,0 +1,20 @@
+import typing
+import typing as Hello
+from typing import Text
+from typing import Text as Goodbye
+
+
+def print_word(word: Text) -> None:
+    print(word)
+
+
+def print_second_word(word: typing.Text) -> None:
+    print(word)
+
+
+def print_third_word(word: Hello.Text) -> None:
+    print(word)
+
+
+def print_fourth_word(word: Goodbye) -> None:
+    print(word)
--- a/resources/test/fixtures/ruff/RUF100.py
+++ b/resources/test/fixtures/ruff/RUF100.py
@@ -15,8 +15,8 @@ def f() -> None:
    # Invalid
    d = 1  # noqa: F841, E501

-    # Invalid (and unimplemented)
-    d = 1  # noqa: F841, W191
+    # Invalid (and unimplemented or not enabled)
+    d = 1  # noqa: F841, W191, F821

    # Invalid (but external)
    d = 1  # noqa: F841, V101
--- a/resources/test/project/examples/docs/pyproject.toml
+++ b/resources/test/project/examples/docs/pyproject.toml
@@ -1,4 +1,3 @@
-[tool.ruff]
 extend = "../../pyproject.toml"
 src = ["."]
 # Enable I001, and re-enable F841, to test extension priority.
--- a/ruff.schema.json
+++ b/ruff.schema.json
--- a/ruff_dev/Cargo.toml
+++ b/ruff_dev/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff_dev"
-version = "0.0.192"
+version = "0.0.195"
 edition = "2021"

 [dependencies]
@@ -11,8 +11,11 @@ itertools = { version = "0.10.5" }
 libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "f2f0b7a487a8725d161fe8b3ed73a6758b21e177" }
 once_cell = { version = "1.16.0" }
 ruff = { path = ".." }
-rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "c01f014b1269eedcf4bdb45d5fbc62ae2beecf31" }
-rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "c01f014b1269eedcf4bdb45d5fbc62ae2beecf31" }
-rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "c01f014b1269eedcf4bdb45d5fbc62ae2beecf31" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "247e815880766d556ef1ca6f0af69daf1a5fe59a" }
+rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "247e815880766d556ef1ca6f0af69daf1a5fe59a" }
+rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "247e815880766d556ef1ca6f0af69daf1a5fe59a" }
+schemars = { version = "0.8.11" }
+serde_json = {version="1.0.91"}
 strum = { version = "0.24.1", features = ["strum_macros"] }
 strum_macros = { version = "0.24.3" }
+textwrap = { version = "0.16.0" }
--- a/ruff_dev/src/generate_check_code_prefix.rs
+++ b/ruff_dev/src/generate_check_code_prefix.rs
@@ -65,7 +65,8 @@ pub fn main(cli: &Cli) -> Result<()> {
        .derive("Ord")
        .derive("Clone")
        .derive("Serialize")
-        .derive("Deserialize");
+        .derive("Deserialize")
+        .derive("JsonSchema");
    for prefix in prefix_to_codes.keys() {
        gen = gen.push_variant(Variant::new(prefix.to_string()));
    }
@@ -138,8 +139,7 @@ pub fn main(cli: &Cli) -> Result<()> {
            _ => panic!("Invalid prefix: {prefix}"),
        };
        gen = gen.line(format!(
-            "CheckCodePrefix::{prefix} => SuffixLength::{},",
-            specificity
+            "CheckCodePrefix::{prefix} => SuffixLength::{specificity},"
        ));
    }
    gen.line("}");
@@ -152,6 +152,8 @@ pub fn main(cli: &Cli) -> Result<()> {
    output.push('\n');
    output.push_str("use colored::Colorize;");
    output.push('\n');
+    output.push_str("use schemars::JsonSchema;");
+    output.push('\n');
    output.push_str("use serde::{Deserialize, Serialize};");
    output.push('\n');
    output.push_str("use strum_macros::{AsRefStr, EnumString};");
--- a/ruff_dev/src/generate_json_schema.rs
+++ b/ruff_dev/src/generate_json_schema.rs
@@ -0,0 +1,30 @@
+use std::fs;
+use std::path::PathBuf;
+
+use anyhow::Result;
+use clap::Args;
+use ruff::settings::options::Options;
+use schemars::schema_for;
+
+#[derive(Args)]
+pub struct Cli {
+    /// Write the generated table to stdout (rather than to `ruff.schema.json`).
+    #[arg(long)]
+    dry_run: bool,
+}
+
+pub fn main(cli: &Cli) -> Result<()> {
+    let schema = schema_for!(Options);
+    let schema_string = serde_json::to_string_pretty(&schema).unwrap();
+
+    if cli.dry_run {
+        println!("{schema_string}");
+    } else {
+        let file = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .parent()
+            .expect("Failed to find root directory")
+            .join("ruff.schema.json");
+        fs::write(file, schema_string.as_bytes())?;
+    }
+    Ok(())
+}
--- a/ruff_dev/src/generate_playground_options.rs
+++ b/ruff_dev/src/generate_playground_options.rs
@@ -0,0 +1,142 @@
+//! Generate typescript file defining options to be used by the web playground.
+
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::path::PathBuf;
+
+use anyhow::Result;
+use clap::Args;
+use itertools::Itertools;
+use ruff::settings::options::Options;
+use ruff::settings::options_base::{ConfigurationOptions, OptionEntry, OptionField};
+
+#[derive(Args)]
+pub struct Cli {
+    /// Write the generated table to stdout (rather than to `TODO`).
+    #[arg(long)]
+    dry_run: bool,
+}
+
+fn emit_field(output: &mut String, field: &OptionField) {
+    output.push_str(&textwrap::indent(
+        &textwrap::dedent(&format!(
+            "
+        {{
+            \"name\": \"{}\",
+            \"default\": '{}',
+            \"type\": '{}',
+        }},",
+            field.name, field.default, field.value_type
+        )),
+        "    ",
+    ));
+}
+
+pub fn main(cli: &Cli) -> Result<()> {
+    let mut output = String::new();
+
+    // Generate all the top-level fields.
+    output.push_str(&format!("{{\"name\": \"{}\", \"fields\": [", "globals"));
+    for field in Options::get_available_options()
+        .into_iter()
+        .filter_map(|entry| {
+            if let OptionEntry::Field(field) = entry {
+                Some(field)
+            } else {
+                None
+            }
+        })
+        // Filter out options that don't make sense in the playground.
+        .filter(|field| {
+            !matches!(
+                field.name,
+                "src"
+                    | "fix"
+                    | "format"
+                    | "exclude"
+                    | "extend"
+                    | "extend-exclude"
+                    | "fixable"
+                    | "force-exclude"
+                    | "ignore-init-module-imports"
+                    | "respect-gitignore"
+                    | "show-source"
+                    | "cache-dir"
+                    | "per-file-ignores"
+            )
+        })
+        .sorted_by_key(|field| field.name)
+    {
+        emit_field(&mut output, &field);
+    }
+    output.push_str("\n]},\n");
+
+    // Generate all the sub-groups.
+    for group in Options::get_available_options()
+        .into_iter()
+        .filter_map(|entry| {
+            if let OptionEntry::Group(group) = entry {
+                Some(group)
+            } else {
+                None
+            }
+        })
+        .sorted_by_key(|group| group.name)
+    {
+        output.push_str(&format!("{{\"name\": \"{}\", \"fields\": [", group.name));
+        for field in group
+            .fields
+            .iter()
+            .filter_map(|entry| {
+                if let OptionEntry::Field(field) = entry {
+                    Some(field)
+                } else {
+                    None
+                }
+            })
+            .sorted_by_key(|field| field.name)
+        {
+            emit_field(&mut output, field);
+        }
+        output.push_str("\n]},\n");
+    }
+
+    let prefix = textwrap::dedent(
+        r"
+        // This file is auto-generated by `cargo dev generate-playground-options`.
+        export interface OptionGroup {
+            name: string;
+            fields: {
+                name: string;
+                default: string;
+                type: string;
+            }[];
+        };
+
+        export const AVAILABLE_OPTIONS: OptionGroup[] = [
+    ",
+    );
+    let postfix = "];";
+
+    if cli.dry_run {
+        print!("{output}");
+    } else {
+        let file = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .parent()
+            .expect("Failed to find root directory")
+            .join("playground")
+            .join("src")
+            .join("ruff_options.ts");
+
+        let mut f = OpenOptions::new()
+            .create(true)
+            .write(true)
+            .truncate(true)
+            .open(file)?;
+        write!(f, "{prefix}")?;
+        write!(f, "{}", textwrap::indent(&output, "    "))?;
+        write!(f, "{postfix}")?;
+    }
+
+    Ok(())
+}
--- a/ruff_dev/src/lib.rs
+++ b/ruff_dev/src/lib.rs
@@ -12,7 +12,9 @@
 )]

 pub mod generate_check_code_prefix;
+pub mod generate_json_schema;
 pub mod generate_options;
+pub mod generate_playground_options;
 pub mod generate_rules_table;
 pub mod generate_source_code;
 pub mod print_ast;
--- a/ruff_dev/src/main.rs
+++ b/ruff_dev/src/main.rs
@@ -14,8 +14,9 @@
 use anyhow::Result;
 use clap::{Parser, Subcommand};
 use ruff_dev::{
-    generate_check_code_prefix, generate_options, generate_rules_table, generate_source_code,
-    print_ast, print_cst, print_tokens,
+    generate_check_code_prefix, generate_json_schema, generate_options,
+    generate_playground_options, generate_rules_table, generate_source_code, print_ast, print_cst,
+    print_tokens,
 };

 #[derive(Parser)]
@@ -30,10 +31,15 @@ struct Cli {
 enum Commands {
    /// Generate the `CheckCodePrefix` enum.
    GenerateCheckCodePrefix(generate_check_code_prefix::Cli),
+    /// Generate JSON schema for the TOML configuration file.
+    GenerateJSONSchema(generate_json_schema::Cli),
    /// Generate a Markdown-compatible table of supported lint rules.
    GenerateRulesTable(generate_rules_table::Cli),
    /// Generate a Markdown-compatible listing of configuration options.
    GenerateOptions(generate_options::Cli),
+    /// Generate typescript file defining options to be used by the web
+    /// playground.
+    GeneratePlaygroundOptions(generate_playground_options::Cli),
    /// Run round-trip source code generation on a given Python file.
    GenerateSourceCode(generate_source_code::Cli),
    /// Print the AST for a given Python file.
@@ -48,9 +54,11 @@ fn main() -> Result<()> {
    let cli = Cli::parse();
    match &cli.command {
        Commands::GenerateCheckCodePrefix(args) => generate_check_code_prefix::main(args)?,
+        Commands::GenerateJSONSchema(args) => generate_json_schema::main(args)?,
        Commands::GenerateRulesTable(args) => generate_rules_table::main(args)?,
        Commands::GenerateSourceCode(args) => generate_source_code::main(args)?,
        Commands::GenerateOptions(args) => generate_options::main(args)?,
+        Commands::GeneratePlaygroundOptions(args) => generate_playground_options::main(args)?,
        Commands::PrintAST(args) => print_ast::main(args)?,
        Commands::PrintCST(args) => print_cst::main(args)?,
        Commands::PrintTokens(args) => print_tokens::main(args)?,
--- a/ruff_macros/Cargo.toml
+++ b/ruff_macros/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff_macros"
-version = "0.0.192"
+version = "0.0.195"
 edition = "2021"

 [lib]
--- a/ruff_macros/src/lib.rs
+++ b/ruff_macros/src/lib.rs
@@ -13,13 +13,14 @@

 use quote::{quote, quote_spanned};
 use syn::parse::{Parse, ParseStream};
+use syn::spanned::Spanned;
 use syn::token::Comma;
 use syn::{
    parse_macro_input, AngleBracketedGenericArguments, Attribute, Data, DataStruct, DeriveInput,
    Field, Fields, Lit, LitStr, Path, PathArguments, PathSegment, Token, Type, TypePath,
 };

-#[proc_macro_derive(ConfigurationOptions, attributes(option, option_group))]
+#[proc_macro_derive(ConfigurationOptions, attributes(option, doc, option_group))]
 pub fn derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
    let input = parse_macro_input!(input as DeriveInput);

@@ -39,11 +40,28 @@ fn derive_impl(input: DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
            let mut output = vec![];

            for field in fields.named.iter() {
-                if let Some(attr) = field.attrs.iter().find(|a| a.path.is_ident("option")) {
-                    output.push(handle_option(field, attr)?);
+                let docs: Vec<&Attribute> = field
+                    .attrs
+                    .iter()
+                    .filter(|attr| attr.path.is_ident("doc"))
+                    .collect();
+
+                if docs.is_empty() {
+                    return Err(syn::Error::new(
+                        field.span(),
+                        "Missing documentation for field",
+                    ));
+                }
+
+                if let Some(attr) = field.attrs.iter().find(|attr| attr.path.is_ident("option")) {
+                    output.push(handle_option(field, attr, docs)?);
                };

-                if field.attrs.iter().any(|a| a.path.is_ident("option_group")) {
+                if field
+                    .attrs
+                    .iter()
+                    .any(|attr| attr.path.is_ident("option_group"))
+                {
                    output.push(handle_option_group(field)?);
                };
            }
@@ -70,8 +88,10 @@ fn derive_impl(input: DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
 /// deriving `ConfigurationOptions`, create code that calls retrieves options
 /// from that group: `Foobar::get_available_options()`
 fn handle_option_group(field: &Field) -> syn::Result<proc_macro2::TokenStream> {
-    // unwrap is safe because we're only going over named fields
-    let ident = field.ident.as_ref().unwrap();
+    let ident = field
+        .ident
+        .as_ref()
+        .expect("Expected to handle named fields");

    match &field.ty {
        Type::Path(TypePath {
@@ -103,17 +123,49 @@ fn handle_option_group(field: &Field) -> syn::Result<proc_macro2::TokenStream> {
    }
 }

+/// Parse a `doc` attribute into it a string literal.
+fn parse_doc(doc: &Attribute) -> syn::Result<String> {
+    let doc = doc
+        .parse_meta()
+        .map_err(|e| syn::Error::new(doc.span(), e))?;
+
+    match doc {
+        syn::Meta::NameValue(syn::MetaNameValue {
+            lit: Lit::Str(lit_str),
+            ..
+        }) => Ok(lit_str.value()),
+        _ => Err(syn::Error::new(doc.span(), "Expected doc attribute.")),
+    }
+}
+
 /// Parse an `#[option(doc="...", default="...", value_type="...",
 /// example="...")]` attribute and return data in the form of an `OptionField`.
-fn handle_option(field: &Field, attr: &Attribute) -> syn::Result<proc_macro2::TokenStream> {
-    // unwrap is safe because we're only going over named fields
-    let ident = field.ident.as_ref().unwrap();
+fn handle_option(
+    field: &Field,
+    attr: &Attribute,
+    docs: Vec<&Attribute>,
+) -> syn::Result<proc_macro2::TokenStream> {
+    // Convert the list of `doc` attributes into a single string.
+    let doc = textwrap::dedent(
+        &docs
+            .into_iter()
+            .map(parse_doc)
+            .collect::<syn::Result<Vec<_>>>()?
+            .join("\n"),
+    )
+    .trim_matches('\n')
+    .to_string();
+
+    let ident = field
+        .ident
+        .as_ref()
+        .expect("Expected to handle named fields");

    let FieldAttributes {
-        doc,
        default,
        value_type,
        example,
+        ..
    } = attr.parse_args::<FieldAttributes>()?;
    let kebab_name = LitStr::new(&ident.to_string().replace('_', "-"), ident.span());

@@ -130,7 +182,6 @@ fn handle_option(field: &Field, attr: &Attribute) -> syn::Result<proc_macro2::To

 #[derive(Debug)]
 struct FieldAttributes {
-    doc: String,
    default: String,
    value_type: String,
    example: String,
@@ -138,8 +189,6 @@ struct FieldAttributes {

 impl Parse for FieldAttributes {
    fn parse(input: ParseStream) -> syn::Result<Self> {
-        let doc = _parse_key_value(input, "doc")?;
-        input.parse::<Comma>()?;
        let default = _parse_key_value(input, "default")?;
        input.parse::<Comma>()?;
        let value_type = _parse_key_value(input, "value_type")?;
@@ -150,7 +199,6 @@ impl Parse for FieldAttributes {
        }

        Ok(FieldAttributes {
-            doc: textwrap::dedent(&doc).trim_matches('\n').to_string(),
            default,
            value_type,
            example: textwrap::dedent(&example).trim_matches('\n').to_string(),
--- a/src/ast/helpers.rs
+++ b/src/ast/helpers.rs
@@ -1,3 +1,4 @@
+use itertools::Itertools;
 use log::error;
 use once_cell::sync::Lazy;
 use regex::Regex;
@@ -396,6 +397,37 @@ pub fn identifier_range(stmt: &Stmt, locator: &SourceCodeLocator) -> Range {
    Range::from_located(stmt)
 }

+/// Return the `Range` of `name` in `Excepthandler`.
+pub fn excepthandler_name_range(
+    handler: &Excepthandler,
+    locator: &SourceCodeLocator,
+) -> Option<Range> {
+    let ExcepthandlerKind::ExceptHandler {
+        name, type_, body, ..
+    } = &handler.node;
+    match (name, type_) {
+        (Some(_), Some(type_)) => {
+            let type_end_location = type_.end_location.unwrap();
+            let contents = locator.slice_source_code_range(&Range {
+                location: type_end_location,
+                end_location: body[0].location,
+            });
+            let range = lexer::make_tokenizer(&contents)
+                .flatten()
+                .tuple_windows()
+                .find(|(tok, next_tok)| {
+                    matches!(tok.1, Tok::As) && matches!(next_tok.1, Tok::Name { .. })
+                })
+                .map(|((..), (start, _, end))| Range {
+                    location: to_absolute(start, type_end_location),
+                    end_location: to_absolute(end, type_end_location),
+                });
+            range
+        }
+        _ => None,
+    }
+}
+
 /// Return `true` if a `Stmt` appears to be part of a multi-statement line, with
 /// other statements preceding it.
 pub fn preceded_by_continuation(stmt: &Stmt, locator: &SourceCodeLocator) -> bool {
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -3,7 +3,7 @@ use std::fs;
 use std::fs::{create_dir_all, File, Metadata};
 use std::hash::{Hash, Hasher};
 use std::io::Write;
-use std::path::Path;
+use std::path::{Path, PathBuf};

 use anyhow::Result;
 use filetime::FileTime;
@@ -36,8 +36,12 @@ struct CheckResult {
    messages: Vec<Message>,
 }

-fn cache_dir() -> &'static Path {
-    Path::new(CACHE_DIR.as_ref().map_or(".ruff_cache", String::as_str))
+/// Return the cache directory for a given project root. Defers to the
+/// `RUFF_CACHE_DIR` environment variable, if set.
+pub fn cache_dir(project_root: &Path) -> PathBuf {
+    CACHE_DIR
+        .as_ref()
+        .map_or_else(|| project_root.join(".ruff_cache"), PathBuf::from)
 }

 fn content_dir() -> &'static Path {
@@ -53,10 +57,8 @@ fn cache_key<P: AsRef<Path>>(path: P, settings: &Settings, autofix: fixer::Mode)
    hasher.finish()
 }

-/// Initialize the cache directory.
-pub fn init() -> Result<()> {
-    let path = cache_dir();
-
+/// Initialize the cache at the specified `Path`.
+pub fn init(path: &Path) -> Result<()> {
    // Create the cache directories.
    create_dir_all(path.join(content_dir()))?;

@@ -75,15 +77,15 @@ pub fn init() -> Result<()> {
    Ok(())
 }

-fn write_sync(key: u64, value: &[u8]) -> Result<(), std::io::Error> {
+fn write_sync(cache_dir: &Path, key: u64, value: &[u8]) -> Result<(), std::io::Error> {
    fs::write(
-        cache_dir().join(content_dir()).join(format!("{key:x}")),
+        cache_dir.join(content_dir()).join(format!("{key:x}")),
        value,
    )
 }

-fn read_sync(key: u64) -> Result<Vec<u8>, std::io::Error> {
-    fs::read(cache_dir().join(content_dir()).join(format!("{key:x}")))
+fn read_sync(cache_dir: &Path, key: u64) -> Result<Vec<u8>, std::io::Error> {
+    fs::read(cache_dir.join(content_dir()).join(format!("{key:x}")))
 }

 /// Get a value from the cache.
@@ -98,7 +100,7 @@ pub fn get<P: AsRef<Path>>(
        return None;
    };

-    let encoded = read_sync(cache_key(path, settings, autofix)).ok()?;
+    let encoded = read_sync(&settings.cache_dir, cache_key(path, settings, autofix)).ok()?;
    let (mtime, messages) = match bincode::deserialize::<CheckResult>(&encoded[..]) {
        Ok(CheckResult {
            metadata: CacheMetadata { mtime },
@@ -135,6 +137,7 @@ pub fn set<P: AsRef<Path>>(
        messages,
    };
    if let Err(e) = write_sync(
+        &settings.cache_dir,
        cache_key(path, settings, autofix),
        &bincode::serialize(&check_result).unwrap(),
    ) {
--- a/src/checkers/ast.rs
+++ b/src/checkers/ast.rs
@@ -1067,17 +1067,11 @@ where
                    }
                }
                if self.settings.enabled.contains(&CheckCode::EM101)
-                    | self.settings.enabled.contains(&CheckCode::EM102)
-                    | self.settings.enabled.contains(&CheckCode::EM103)
+                    || self.settings.enabled.contains(&CheckCode::EM102)
+                    || self.settings.enabled.contains(&CheckCode::EM103)
                {
                    if let Some(exc) = exc {
-                        self.add_checks(
-                            flake8_errmsg::checks::check_string_in_exception(
-                                exc,
-                                self.settings.flake8_errmsg.max_string_length,
-                            )
-                            .into_iter(),
-                        );
+                        flake8_errmsg::plugins::string_in_exception(self, exc);
                    }
                }
            }
@@ -1157,7 +1151,7 @@ where
                if self.settings.enabled.contains(&CheckCode::B014)
                    || self.settings.enabled.contains(&CheckCode::B025)
                {
-                    flake8_bugbear::plugins::duplicate_exceptions(self, stmt, handlers);
+                    flake8_bugbear::plugins::duplicate_exceptions(self, handlers);
                }
                if self.settings.enabled.contains(&CheckCode::B013) {
                    flake8_bugbear::plugins::redundant_tuple_in_exception_handler(self, handlers);
@@ -1493,6 +1487,10 @@ where
            ExprKind::Name { id, ctx } => {
                match ctx {
                    ExprContext::Load => {
+                        if self.settings.enabled.contains(&CheckCode::UP019) {
+                            pyupgrade::plugins::typing_text_str_alias(self, expr);
+                        }
+
                        // Ex) List[...]
                        if !self.in_deferred_string_type_definition
                            && self.settings.enabled.contains(&CheckCode::UP006)
@@ -1549,6 +1547,9 @@ where
                    pyupgrade::plugins::use_pep585_annotation(self, expr, attr);
                }

+                if self.settings.enabled.contains(&CheckCode::UP019) {
+                    pyupgrade::plugins::typing_text_str_alias(self, expr);
+                }
                if self.settings.enabled.contains(&CheckCode::UP016) {
                    pyupgrade::plugins::remove_six_compat(self, expr);
                }
@@ -1650,6 +1651,9 @@ where
                if self.settings.enabled.contains(&CheckCode::UP016) {
                    pyupgrade::plugins::remove_six_compat(self, expr);
                }
+                if self.settings.enabled.contains(&CheckCode::UP018) {
+                    pyupgrade::plugins::native_literals(self, expr, func, args, keywords);
+                }

                // flake8-super
                if self.settings.enabled.contains(&CheckCode::UP008) {
@@ -2667,12 +2671,15 @@ where

                        self.check_builtin_shadowing(name, excepthandler, false);

+                        let name_range =
+                            helpers::excepthandler_name_range(excepthandler, self.locator).unwrap();
+
                        if self.current_scope().values.contains_key(&name.as_str()) {
                            self.handle_node_store(
                                name,
                                &Expr::new(
-                                    excepthandler.location,
-                                    excepthandler.end_location.unwrap(),
+                                    name_range.location,
+                                    name_range.end_location,
                                    ExprKind::Name {
                                        id: name.to_string(),
                                        ctx: ExprContext::Store,
@@ -2685,8 +2692,8 @@ where
                        self.handle_node_store(
                            name,
                            &Expr::new(
-                                excepthandler.location,
-                                excepthandler.end_location.unwrap(),
+                                name_range.location,
+                                name_range.end_location,
                                ExprKind::Name {
                                    id: name.to_string(),
                                    ctx: ExprContext::Store,
@@ -2705,7 +2712,7 @@ where
                                if self.settings.enabled.contains(&CheckCode::F841) {
                                    self.add_check(Check::new(
                                        CheckKind::UnusedVariable(name.to_string()),
-                                        Range::from_located(excepthandler),
+                                        name_range,
                                    ));
                                }
                            }
--- a/src/checkers/lines.rs
+++ b/src/checkers/lines.rs
@@ -55,7 +55,11 @@ pub fn check_lines(
    }

    if enforce_no_newline_at_end_of_file {
-        if let Some(check) = no_newline_at_end_of_file(contents) {
+        if let Some(check) = no_newline_at_end_of_file(
+            contents,
+            matches!(autofix, flags::Autofix::Enabled)
+                && settings.fixable.contains(&CheckCode::W292),
+        ) {
            checks.push(check);
        }
    }
--- a/src/checkers/noqa.rs
+++ b/src/checkers/noqa.rs
@@ -1,11 +1,13 @@
 //! `NoQA` enforcement and validation.

+use std::str::FromStr;
+
 use nohash_hasher::IntMap;
 use rustpython_parser::ast::Location;

 use crate::ast::types::Range;
 use crate::autofix::Fix;
-use crate::checks::{Check, CheckCode, CheckKind, CODE_REDIRECTS};
+use crate::checks::{Check, CheckCode, CheckKind, UnusedCodes, CODE_REDIRECTS};
 use crate::noqa;
 use crate::noqa::{is_file_exempt, Directive};
 use crate::settings::{flags, Settings};
@@ -98,18 +100,29 @@ pub fn check_noqa(
                    }
                }
                Directive::Codes(spaces, start, end, codes) => {
-                    let mut invalid_codes = vec![];
+                    let mut disabled_codes = vec![];
+                    let mut unknown_codes = vec![];
+                    let mut unmatched_codes = vec![];
                    let mut valid_codes = vec![];
                    let mut self_ignore = false;
                    for code in codes {
                        let code = CODE_REDIRECTS.get(code).map_or(code, AsRef::as_ref);
                        if code == CheckCode::RUF100.as_ref() {
                            self_ignore = true;
+                            break;
+                        }
+
+                        if matches.contains(&code) || settings.external.contains(code) {
+                            valid_codes.push(code);
                        } else {
-                            if matches.contains(&code) || settings.external.contains(code) {
-                                valid_codes.push(code);
+                            if let Ok(check_code) = CheckCode::from_str(code) {
+                                if settings.enabled.contains(&check_code) {
+                                    unmatched_codes.push(code);
+                                } else {
+                                    disabled_codes.push(code);
+                                }
                            } else {
-                                invalid_codes.push(code);
+                                unknown_codes.push(code);
                            }
                        }
                    }
@@ -118,14 +131,25 @@ pub fn check_noqa(
                        continue;
                    }

-                    if !invalid_codes.is_empty() {
+                    if !(disabled_codes.is_empty()
+                        && unknown_codes.is_empty()
+                        && unmatched_codes.is_empty())
+                    {
                        let mut check = Check::new(
-                            CheckKind::UnusedNOQA(Some(
-                                invalid_codes
+                            CheckKind::UnusedNOQA(Some(UnusedCodes {
+                                disabled: disabled_codes
                                    .iter()
                                    .map(|code| (*code).to_string())
                                    .collect(),
-                            )),
+                                unknown: unknown_codes
+                                    .iter()
+                                    .map(|code| (*code).to_string())
+                                    .collect(),
+                                unmatched: unmatched_codes
+                                    .iter()
+                                    .map(|code| (*code).to_string())
+                                    .collect(),
+                            })),
                            Range {
                                location: Location::new(row + 1, start),
                                end_location: Location::new(row + 1, end),
--- a/src/checkers/tokens.rs
+++ b/src/checkers/tokens.rs
@@ -89,7 +89,11 @@ pub fn check_tokens(
        if enforce_invalid_escape_sequence {
            if matches!(tok, Tok::String { .. }) {
                checks.extend(pycodestyle::checks::invalid_escape_sequence(
-                    locator, start, end,
+                    locator,
+                    start,
+                    end,
+                    matches!(autofix, flags::Autofix::Enabled)
+                        && settings.fixable.contains(&CheckCode::W605),
                ));
            }
        }
--- a/src/checks.rs
+++ b/src/checks.rs
@@ -1,5 +1,4 @@
 use std::fmt;
-use std::str::FromStr;

 use itertools::Itertools;
 use once_cell::sync::Lazy;
@@ -226,6 +225,8 @@ pub enum CheckCode {
    UP015,
    UP016,
    UP017,
+    UP018,
+    UP019,
    // pydocstyle
    D100,
    D101,
@@ -635,6 +636,13 @@ impl fmt::Display for Branch {
    }
 }

+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct UnusedCodes {
+    pub unknown: Vec<String>,
+    pub disabled: Vec<String>,
+    pub unmatched: Vec<String>,
+}
+
 #[derive(AsRefStr, Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub enum CheckKind {
    // pycodestyle errors
@@ -815,6 +823,7 @@ pub enum CheckKind {
    // pyupgrade
    TypeOfPrimitive(Primitive),
    UselessMetaclassType,
+    TypingTextStrAlias,
    DeprecatedUnittestAlias(String, String),
    UselessObjectInheritance(String),
    UsePEP585Annotation(String),
@@ -829,6 +838,7 @@ pub enum CheckKind {
    RedundantOpenModes,
    RemoveSixCompat,
    DatetimeTimezoneUTC,
+    NativeLiterals,
    // pydocstyle
    BlankLineAfterLastSection(String),
    BlankLineAfterSection(String),
@@ -941,7 +951,7 @@ pub enum CheckKind {
    AmbiguousUnicodeCharacterString(char, char),
    AmbiguousUnicodeCharacterDocstring(char, char),
    AmbiguousUnicodeCharacterComment(char, char),
-    UnusedNOQA(Option<Vec<String>>),
+    UnusedNOQA(Option<UnusedCodes>),
    // flake8-datetimez
    CallDatetimeWithoutTzinfo,
    CallDatetimeToday,
@@ -1203,6 +1213,8 @@ impl CheckCode {
            CheckCode::UP015 => CheckKind::RedundantOpenModes,
            CheckCode::UP016 => CheckKind::RemoveSixCompat,
            CheckCode::UP017 => CheckKind::DatetimeTimezoneUTC,
+            CheckCode::UP018 => CheckKind::NativeLiterals,
+            CheckCode::UP019 => CheckKind::TypingTextStrAlias,
            // pydocstyle
            CheckCode::D100 => CheckKind::PublicModule,
            CheckCode::D101 => CheckKind::PublicClass,
@@ -1621,6 +1633,8 @@ impl CheckCode {
            CheckCode::UP015 => CheckCategory::Pyupgrade,
            CheckCode::UP016 => CheckCategory::Pyupgrade,
            CheckCode::UP017 => CheckCategory::Pyupgrade,
+            CheckCode::UP018 => CheckCategory::Pyupgrade,
+            CheckCode::UP019 => CheckCategory::Pyupgrade,
            CheckCode::W292 => CheckCategory::Pycodestyle,
            CheckCode::W605 => CheckCategory::Pycodestyle,
            CheckCode::YTT101 => CheckCategory::Flake82020,
@@ -1642,9 +1656,9 @@ impl CheckKind {
    pub fn code(&self) -> &'static CheckCode {
        match self {
            // pycodestyle errors
-            CheckKind::AmbiguousClassName(_) => &CheckCode::E742,
-            CheckKind::AmbiguousFunctionName(_) => &CheckCode::E743,
-            CheckKind::AmbiguousVariableName(_) => &CheckCode::E741,
+            CheckKind::AmbiguousClassName(..) => &CheckCode::E742,
+            CheckKind::AmbiguousFunctionName(..) => &CheckCode::E743,
+            CheckKind::AmbiguousVariableName(..) => &CheckCode::E741,
            CheckKind::AssertTuple => &CheckCode::F631,
            CheckKind::BreakOutsideLoop => &CheckCode::F701,
            CheckKind::ContinueOutsideLoop => &CheckCode::F702,
@@ -1653,14 +1667,14 @@ impl CheckKind {
            CheckKind::DoNotUseBareExcept => &CheckCode::E722,
            CheckKind::DuplicateArgumentName => &CheckCode::F831,
            CheckKind::FStringMissingPlaceholders => &CheckCode::F541,
-            CheckKind::ForwardAnnotationSyntaxError(_) => &CheckCode::F722,
-            CheckKind::FutureFeatureNotDefined(_) => &CheckCode::F407,
-            CheckKind::IOError(_) => &CheckCode::E902,
+            CheckKind::ForwardAnnotationSyntaxError(..) => &CheckCode::F722,
+            CheckKind::FutureFeatureNotDefined(..) => &CheckCode::F407,
+            CheckKind::IOError(..) => &CheckCode::E902,
            CheckKind::IfTuple => &CheckCode::F634,
            CheckKind::ImportShadowedByLoopVar(..) => &CheckCode::F402,
-            CheckKind::ImportStarNotPermitted(_) => &CheckCode::F406,
+            CheckKind::ImportStarNotPermitted(..) => &CheckCode::F406,
            CheckKind::ImportStarUsage(..) => &CheckCode::F405,
-            CheckKind::ImportStarUsed(_) => &CheckCode::F403,
+            CheckKind::ImportStarUsed(..) => &CheckCode::F403,
            CheckKind::InvalidPrintSyntax => &CheckCode::F633,
            CheckKind::IsLiteral => &CheckCode::F632,
            CheckKind::LateFutureImport => &CheckCode::F404,
@@ -1668,42 +1682,42 @@ impl CheckKind {
            CheckKind::MultipleImportsOnOneLine => &CheckCode::E401,
            CheckKind::ModuleImportNotAtTopOfFile => &CheckCode::E402,
            CheckKind::MultiValueRepeatedKeyLiteral => &CheckCode::F601,
-            CheckKind::MultiValueRepeatedKeyVariable(_) => &CheckCode::F602,
-            CheckKind::NoneComparison(_) => &CheckCode::E711,
+            CheckKind::MultiValueRepeatedKeyVariable(..) => &CheckCode::F602,
+            CheckKind::NoneComparison(..) => &CheckCode::E711,
            CheckKind::NotInTest => &CheckCode::E713,
            CheckKind::NotIsTest => &CheckCode::E714,
            CheckKind::PercentFormatExpectedMapping => &CheckCode::F502,
            CheckKind::PercentFormatExpectedSequence => &CheckCode::F503,
-            CheckKind::PercentFormatExtraNamedArguments(_) => &CheckCode::F504,
-            CheckKind::PercentFormatInvalidFormat(_) => &CheckCode::F501,
-            CheckKind::PercentFormatMissingArgument(_) => &CheckCode::F505,
+            CheckKind::PercentFormatExtraNamedArguments(..) => &CheckCode::F504,
+            CheckKind::PercentFormatInvalidFormat(..) => &CheckCode::F501,
+            CheckKind::PercentFormatMissingArgument(..) => &CheckCode::F505,
            CheckKind::PercentFormatMixedPositionalAndNamed => &CheckCode::F506,
            CheckKind::PercentFormatPositionalCountMismatch(..) => &CheckCode::F507,
            CheckKind::PercentFormatStarRequiresSequence => &CheckCode::F508,
-            CheckKind::PercentFormatUnsupportedFormatCharacter(_) => &CheckCode::F509,
+            CheckKind::PercentFormatUnsupportedFormatCharacter(..) => &CheckCode::F509,
            CheckKind::RaiseNotImplemented => &CheckCode::F901,
            CheckKind::ReturnOutsideFunction => &CheckCode::F706,
-            CheckKind::StringDotFormatExtraNamedArguments(_) => &CheckCode::F522,
-            CheckKind::StringDotFormatExtraPositionalArguments(_) => &CheckCode::F523,
-            CheckKind::StringDotFormatInvalidFormat(_) => &CheckCode::F521,
-            CheckKind::StringDotFormatMissingArguments(_) => &CheckCode::F524,
+            CheckKind::StringDotFormatExtraNamedArguments(..) => &CheckCode::F522,
+            CheckKind::StringDotFormatExtraPositionalArguments(..) => &CheckCode::F523,
+            CheckKind::StringDotFormatInvalidFormat(..) => &CheckCode::F521,
+            CheckKind::StringDotFormatMissingArguments(..) => &CheckCode::F524,
            CheckKind::StringDotFormatMixingAutomatic => &CheckCode::F525,
-            CheckKind::SyntaxError(_) => &CheckCode::E999,
+            CheckKind::SyntaxError(..) => &CheckCode::E999,
            CheckKind::ExpressionsInStarAssignment => &CheckCode::F621,
            CheckKind::TrueFalseComparison(..) => &CheckCode::E712,
            CheckKind::TwoStarredExpressions => &CheckCode::F622,
            CheckKind::TypeComparison => &CheckCode::E721,
-            CheckKind::UndefinedExport(_) => &CheckCode::F822,
-            CheckKind::UndefinedLocal(_) => &CheckCode::F823,
+            CheckKind::UndefinedExport(..) => &CheckCode::F822,
+            CheckKind::UndefinedLocal(..) => &CheckCode::F823,
            CheckKind::RedefinedWhileUnused(..) => &CheckCode::F811,
-            CheckKind::UndefinedName(_) => &CheckCode::F821,
+            CheckKind::UndefinedName(..) => &CheckCode::F821,
            CheckKind::UnusedImport(..) => &CheckCode::F401,
-            CheckKind::UnusedVariable(_) => &CheckCode::F841,
-            CheckKind::UnusedAnnotation(_) => &CheckCode::F842,
-            CheckKind::YieldOutsideFunction(_) => &CheckCode::F704,
+            CheckKind::UnusedVariable(..) => &CheckCode::F841,
+            CheckKind::UnusedAnnotation(..) => &CheckCode::F842,
+            CheckKind::YieldOutsideFunction(..) => &CheckCode::F704,
            // pycodestyle warnings
            CheckKind::NoNewLineAtEndOfFile => &CheckCode::W292,
-            CheckKind::InvalidEscapeSequence(_) => &CheckCode::W605,
+            CheckKind::InvalidEscapeSequence(..) => &CheckCode::W605,
            // pylint
            CheckKind::AwaitOutsideAsync => &CheckCode::PLE1142,
            CheckKind::ConsiderMergingIsinstance(..) => &CheckCode::PLR1701,
@@ -1712,96 +1726,96 @@ impl CheckKind {
            CheckKind::MisplacedComparisonConstant(..) => &CheckCode::PLC2201,
            CheckKind::PropertyWithParameters => &CheckCode::PLR0206,
            CheckKind::UnnecessaryDirectLambdaCall => &CheckCode::PLC3002,
-            CheckKind::UseSysExit(_) => &CheckCode::PLR1722,
+            CheckKind::UseSysExit(..) => &CheckCode::PLR1722,
            CheckKind::NonlocalWithoutBinding(..) => &CheckCode::PLE0117,
            CheckKind::UsedPriorGlobalDeclaration(..) => &CheckCode::PLE0118,
            CheckKind::UselessElseOnLoop => &CheckCode::PLW0120,
            CheckKind::UselessImportAlias => &CheckCode::PLC0414,
            // flake8-builtins
-            CheckKind::BuiltinVariableShadowing(_) => &CheckCode::A001,
-            CheckKind::BuiltinArgumentShadowing(_) => &CheckCode::A002,
-            CheckKind::BuiltinAttributeShadowing(_) => &CheckCode::A003,
+            CheckKind::BuiltinVariableShadowing(..) => &CheckCode::A001,
+            CheckKind::BuiltinArgumentShadowing(..) => &CheckCode::A002,
+            CheckKind::BuiltinAttributeShadowing(..) => &CheckCode::A003,
            // flake8-bugbear
-            CheckKind::AbstractBaseClassWithoutAbstractMethod(_) => &CheckCode::B024,
+            CheckKind::AbstractBaseClassWithoutAbstractMethod(..) => &CheckCode::B024,
            CheckKind::AssignmentToOsEnviron => &CheckCode::B003,
            CheckKind::CachedInstanceMethod => &CheckCode::B019,
            CheckKind::CannotRaiseLiteral => &CheckCode::B016,
            CheckKind::DoNotAssertFalse => &CheckCode::B011,
-            CheckKind::DuplicateHandlerException(_) => &CheckCode::B014,
-            CheckKind::DuplicateTryBlockException(_) => &CheckCode::B025,
-            CheckKind::EmptyMethodWithoutAbstractDecorator(_) => &CheckCode::B027,
+            CheckKind::DuplicateHandlerException(..) => &CheckCode::B014,
+            CheckKind::DuplicateTryBlockException(..) => &CheckCode::B025,
+            CheckKind::EmptyMethodWithoutAbstractDecorator(..) => &CheckCode::B027,
            CheckKind::FStringDocstring => &CheckCode::B021,
-            CheckKind::FunctionCallArgumentDefault(_) => &CheckCode::B008,
-            CheckKind::FunctionUsesLoopVariable(_) => &CheckCode::B023,
+            CheckKind::FunctionCallArgumentDefault(..) => &CheckCode::B008,
+            CheckKind::FunctionUsesLoopVariable(..) => &CheckCode::B023,
            CheckKind::GetAttrWithConstant => &CheckCode::B009,
-            CheckKind::JumpStatementInFinally(_) => &CheckCode::B012,
-            CheckKind::LoopVariableOverridesIterator(_) => &CheckCode::B020,
+            CheckKind::JumpStatementInFinally(..) => &CheckCode::B012,
+            CheckKind::LoopVariableOverridesIterator(..) => &CheckCode::B020,
            CheckKind::MutableArgumentDefault => &CheckCode::B006,
            CheckKind::NoAssertRaisesException => &CheckCode::B017,
            CheckKind::RaiseWithoutFromInsideExcept => &CheckCode::B904,
            CheckKind::ZipWithoutExplicitStrict => &CheckCode::B905,
-            CheckKind::RedundantTupleInExceptionHandler(_) => &CheckCode::B013,
+            CheckKind::RedundantTupleInExceptionHandler(..) => &CheckCode::B013,
            CheckKind::SetAttrWithConstant => &CheckCode::B010,
            CheckKind::StarArgUnpackingAfterKeywordArg => &CheckCode::B026,
            CheckKind::StripWithMultiCharacters => &CheckCode::B005,
            CheckKind::UnaryPrefixIncrement => &CheckCode::B002,
            CheckKind::UnreliableCallableCheck => &CheckCode::B004,
-            CheckKind::UnusedLoopControlVariable(_) => &CheckCode::B007,
+            CheckKind::UnusedLoopControlVariable(..) => &CheckCode::B007,
            CheckKind::UselessComparison => &CheckCode::B015,
            CheckKind::UselessContextlibSuppress => &CheckCode::B022,
            CheckKind::UselessExpression => &CheckCode::B018,
            // flake8-blind-except
-            CheckKind::BlindExcept(_) => &CheckCode::BLE001,
+            CheckKind::BlindExcept(..) => &CheckCode::BLE001,
            // flake8-comprehensions
            CheckKind::UnnecessaryGeneratorList => &CheckCode::C400,
            CheckKind::UnnecessaryGeneratorSet => &CheckCode::C401,
            CheckKind::UnnecessaryGeneratorDict => &CheckCode::C402,
            CheckKind::UnnecessaryListComprehensionSet => &CheckCode::C403,
            CheckKind::UnnecessaryListComprehensionDict => &CheckCode::C404,
-            CheckKind::UnnecessaryLiteralSet(_) => &CheckCode::C405,
-            CheckKind::UnnecessaryLiteralDict(_) => &CheckCode::C406,
-            CheckKind::UnnecessaryCollectionCall(_) => &CheckCode::C408,
+            CheckKind::UnnecessaryLiteralSet(..) => &CheckCode::C405,
+            CheckKind::UnnecessaryLiteralDict(..) => &CheckCode::C406,
+            CheckKind::UnnecessaryCollectionCall(..) => &CheckCode::C408,
            CheckKind::UnnecessaryLiteralWithinTupleCall(..) => &CheckCode::C409,
            CheckKind::UnnecessaryLiteralWithinListCall(..) => &CheckCode::C410,
            CheckKind::UnnecessaryListCall => &CheckCode::C411,
-            CheckKind::UnnecessaryCallAroundSorted(_) => &CheckCode::C413,
+            CheckKind::UnnecessaryCallAroundSorted(..) => &CheckCode::C413,
            CheckKind::UnnecessaryDoubleCastOrProcess(..) => &CheckCode::C414,
-            CheckKind::UnnecessarySubscriptReversal(_) => &CheckCode::C415,
+            CheckKind::UnnecessarySubscriptReversal(..) => &CheckCode::C415,
            CheckKind::UnnecessaryComprehension(..) => &CheckCode::C416,
-            CheckKind::UnnecessaryMap(_) => &CheckCode::C417,
+            CheckKind::UnnecessaryMap(..) => &CheckCode::C417,
            // flake8-debugger
-            CheckKind::Debugger(_) => &CheckCode::T100,
+            CheckKind::Debugger(..) => &CheckCode::T100,
            // flake8-tidy-imports
-            CheckKind::BannedRelativeImport(_) => &CheckCode::TID252,
+            CheckKind::BannedRelativeImport(..) => &CheckCode::TID252,
            // flake8-return
            CheckKind::UnnecessaryReturnNone => &CheckCode::RET501,
            CheckKind::ImplicitReturnValue => &CheckCode::RET502,
            CheckKind::ImplicitReturn => &CheckCode::RET503,
            CheckKind::UnnecessaryAssign => &CheckCode::RET504,
-            CheckKind::SuperfluousElseReturn(_) => &CheckCode::RET505,
-            CheckKind::SuperfluousElseRaise(_) => &CheckCode::RET506,
-            CheckKind::SuperfluousElseContinue(_) => &CheckCode::RET507,
-            CheckKind::SuperfluousElseBreak(_) => &CheckCode::RET508,
+            CheckKind::SuperfluousElseReturn(..) => &CheckCode::RET505,
+            CheckKind::SuperfluousElseRaise(..) => &CheckCode::RET506,
+            CheckKind::SuperfluousElseContinue(..) => &CheckCode::RET507,
+            CheckKind::SuperfluousElseBreak(..) => &CheckCode::RET508,
            // flake8-print
            CheckKind::PrintFound => &CheckCode::T201,
            CheckKind::PPrintFound => &CheckCode::T203,
            // flake8-quotes
-            CheckKind::BadQuotesInlineString(_) => &CheckCode::Q000,
-            CheckKind::BadQuotesMultilineString(_) => &CheckCode::Q001,
-            CheckKind::BadQuotesDocstring(_) => &CheckCode::Q002,
+            CheckKind::BadQuotesInlineString(..) => &CheckCode::Q000,
+            CheckKind::BadQuotesMultilineString(..) => &CheckCode::Q001,
+            CheckKind::BadQuotesDocstring(..) => &CheckCode::Q002,
            CheckKind::AvoidQuoteEscape => &CheckCode::Q003,
            // flake8-annotations
-            CheckKind::MissingTypeFunctionArgument(_) => &CheckCode::ANN001,
-            CheckKind::MissingTypeArgs(_) => &CheckCode::ANN002,
-            CheckKind::MissingTypeKwargs(_) => &CheckCode::ANN003,
-            CheckKind::MissingTypeSelf(_) => &CheckCode::ANN101,
-            CheckKind::MissingTypeCls(_) => &CheckCode::ANN102,
-            CheckKind::MissingReturnTypePublicFunction(_) => &CheckCode::ANN201,
-            CheckKind::MissingReturnTypePrivateFunction(_) => &CheckCode::ANN202,
-            CheckKind::MissingReturnTypeSpecialMethod(_) => &CheckCode::ANN204,
-            CheckKind::MissingReturnTypeStaticMethod(_) => &CheckCode::ANN205,
-            CheckKind::MissingReturnTypeClassMethod(_) => &CheckCode::ANN206,
-            CheckKind::DynamicallyTypedExpression(_) => &CheckCode::ANN401,
+            CheckKind::MissingTypeFunctionArgument(..) => &CheckCode::ANN001,
+            CheckKind::MissingTypeArgs(..) => &CheckCode::ANN002,
+            CheckKind::MissingTypeKwargs(..) => &CheckCode::ANN003,
+            CheckKind::MissingTypeSelf(..) => &CheckCode::ANN101,
+            CheckKind::MissingTypeCls(..) => &CheckCode::ANN102,
+            CheckKind::MissingReturnTypePublicFunction(..) => &CheckCode::ANN201,
+            CheckKind::MissingReturnTypePrivateFunction(..) => &CheckCode::ANN202,
+            CheckKind::MissingReturnTypeSpecialMethod(..) => &CheckCode::ANN204,
+            CheckKind::MissingReturnTypeStaticMethod(..) => &CheckCode::ANN205,
+            CheckKind::MissingReturnTypeClassMethod(..) => &CheckCode::ANN206,
+            CheckKind::DynamicallyTypedExpression(..) => &CheckCode::ANN401,
            // flake8-2020
            CheckKind::SysVersionSlice3Referenced => &CheckCode::YTT101,
            CheckKind::SysVersion2Referenced => &CheckCode::YTT102,
@@ -1816,29 +1830,31 @@ impl CheckKind {
            // flake8-simplify
            CheckKind::KeyInDict(..) => &CheckCode::SIM118,
            // pyupgrade
-            CheckKind::TypeOfPrimitive(_) => &CheckCode::UP003,
+            CheckKind::TypeOfPrimitive(..) => &CheckCode::UP003,
            CheckKind::UselessMetaclassType => &CheckCode::UP001,
            CheckKind::DeprecatedUnittestAlias(..) => &CheckCode::UP005,
-            CheckKind::UsePEP585Annotation(_) => &CheckCode::UP006,
+            CheckKind::UsePEP585Annotation(..) => &CheckCode::UP006,
            CheckKind::UsePEP604Annotation => &CheckCode::UP007,
-            CheckKind::UselessObjectInheritance(_) => &CheckCode::UP004,
+            CheckKind::UselessObjectInheritance(..) => &CheckCode::UP004,
            CheckKind::SuperCallWithParameters => &CheckCode::UP008,
            CheckKind::PEP3120UnnecessaryCodingComment => &CheckCode::UP009,
-            CheckKind::UnnecessaryFutureImport(_) => &CheckCode::UP010,
+            CheckKind::UnnecessaryFutureImport(..) => &CheckCode::UP010,
            CheckKind::UnnecessaryLRUCacheParams => &CheckCode::UP011,
            CheckKind::UnnecessaryEncodeUTF8 => &CheckCode::UP012,
-            CheckKind::ConvertTypedDictFunctionalToClass(_) => &CheckCode::UP013,
-            CheckKind::ConvertNamedTupleFunctionalToClass(_) => &CheckCode::UP014,
+            CheckKind::ConvertTypedDictFunctionalToClass(..) => &CheckCode::UP013,
+            CheckKind::ConvertNamedTupleFunctionalToClass(..) => &CheckCode::UP014,
            CheckKind::RedundantOpenModes => &CheckCode::UP015,
            CheckKind::RemoveSixCompat => &CheckCode::UP016,
            CheckKind::DatetimeTimezoneUTC => &CheckCode::UP017,
+            CheckKind::NativeLiterals => &CheckCode::UP018,
+            CheckKind::TypingTextStrAlias => &CheckCode::UP019,
            // pydocstyle
-            CheckKind::BlankLineAfterLastSection(_) => &CheckCode::D413,
-            CheckKind::BlankLineAfterSection(_) => &CheckCode::D410,
-            CheckKind::BlankLineBeforeSection(_) => &CheckCode::D411,
-            CheckKind::CapitalizeSectionName(_) => &CheckCode::D405,
-            CheckKind::DashedUnderlineAfterSection(_) => &CheckCode::D407,
-            CheckKind::DocumentAllArguments(_) => &CheckCode::D417,
+            CheckKind::BlankLineAfterLastSection(..) => &CheckCode::D413,
+            CheckKind::BlankLineAfterSection(..) => &CheckCode::D410,
+            CheckKind::BlankLineBeforeSection(..) => &CheckCode::D411,
+            CheckKind::CapitalizeSectionName(..) => &CheckCode::D405,
+            CheckKind::DashedUnderlineAfterSection(..) => &CheckCode::D407,
+            CheckKind::DocumentAllArguments(..) => &CheckCode::D417,
            CheckKind::EndsInPeriod => &CheckCode::D400,
            CheckKind::EndsInPunctuation => &CheckCode::D415,
            CheckKind::FirstLineCapitalized => &CheckCode::D403,
@@ -1848,21 +1864,21 @@ impl CheckKind {
            CheckKind::MultiLineSummaryFirstLine => &CheckCode::D212,
            CheckKind::MultiLineSummarySecondLine => &CheckCode::D213,
            CheckKind::NewLineAfterLastParagraph => &CheckCode::D209,
-            CheckKind::NewLineAfterSectionName(_) => &CheckCode::D406,
-            CheckKind::NoBlankLineAfterFunction(_) => &CheckCode::D202,
+            CheckKind::NewLineAfterSectionName(..) => &CheckCode::D406,
+            CheckKind::NoBlankLineAfterFunction(..) => &CheckCode::D202,
            CheckKind::BlankLineAfterSummary => &CheckCode::D205,
-            CheckKind::NoBlankLineBeforeClass(_) => &CheckCode::D211,
-            CheckKind::NoBlankLineBeforeFunction(_) => &CheckCode::D201,
-            CheckKind::NoBlankLinesBetweenHeaderAndContent(_) => &CheckCode::D412,
+            CheckKind::NoBlankLineBeforeClass(..) => &CheckCode::D211,
+            CheckKind::NoBlankLineBeforeFunction(..) => &CheckCode::D201,
+            CheckKind::NoBlankLinesBetweenHeaderAndContent(..) => &CheckCode::D412,
            CheckKind::NoOverIndentation => &CheckCode::D208,
            CheckKind::NoSignature => &CheckCode::D402,
            CheckKind::NoSurroundingWhitespace => &CheckCode::D210,
            CheckKind::NoThisPrefix => &CheckCode::D404,
            CheckKind::NoUnderIndentation => &CheckCode::D207,
            CheckKind::NonEmpty => &CheckCode::D419,
-            CheckKind::NonEmptySection(_) => &CheckCode::D414,
-            CheckKind::OneBlankLineAfterClass(_) => &CheckCode::D204,
-            CheckKind::OneBlankLineBeforeClass(_) => &CheckCode::D203,
+            CheckKind::NonEmptySection(..) => &CheckCode::D414,
+            CheckKind::OneBlankLineAfterClass(..) => &CheckCode::D204,
+            CheckKind::OneBlankLineBeforeClass(..) => &CheckCode::D203,
            CheckKind::PublicClass => &CheckCode::D101,
            CheckKind::PublicFunction => &CheckCode::D103,
            CheckKind::PublicInit => &CheckCode::D107,
@@ -1870,18 +1886,18 @@ impl CheckKind {
            CheckKind::PublicModule => &CheckCode::D100,
            CheckKind::PublicNestedClass => &CheckCode::D106,
            CheckKind::PublicPackage => &CheckCode::D104,
-            CheckKind::SectionNameEndsInColon(_) => &CheckCode::D416,
-            CheckKind::SectionNotOverIndented(_) => &CheckCode::D214,
-            CheckKind::SectionUnderlineAfterName(_) => &CheckCode::D408,
-            CheckKind::SectionUnderlineMatchesSectionLength(_) => &CheckCode::D409,
-            CheckKind::SectionUnderlineNotOverIndented(_) => &CheckCode::D215,
+            CheckKind::SectionNameEndsInColon(..) => &CheckCode::D416,
+            CheckKind::SectionNotOverIndented(..) => &CheckCode::D214,
+            CheckKind::SectionUnderlineAfterName(..) => &CheckCode::D408,
+            CheckKind::SectionUnderlineMatchesSectionLength(..) => &CheckCode::D409,
+            CheckKind::SectionUnderlineNotOverIndented(..) => &CheckCode::D215,
            CheckKind::SkipDocstring => &CheckCode::D418,
            CheckKind::UsesRPrefixForBackslashedContent => &CheckCode::D301,
            CheckKind::UsesTripleQuotes => &CheckCode::D300,
            // pep8-naming
-            CheckKind::InvalidClassName(_) => &CheckCode::N801,
-            CheckKind::InvalidFunctionName(_) => &CheckCode::N802,
-            CheckKind::InvalidArgumentName(_) => &CheckCode::N803,
+            CheckKind::InvalidClassName(..) => &CheckCode::N801,
+            CheckKind::InvalidFunctionName(..) => &CheckCode::N802,
+            CheckKind::InvalidArgumentName(..) => &CheckCode::N803,
            CheckKind::InvalidFirstArgumentNameForClassMethod => &CheckCode::N804,
            CheckKind::InvalidFirstArgumentNameForMethod => &CheckCode::N805,
            CheckKind::NonLowercaseVariableInFunction(..) => &CheckCode::N806,
@@ -1954,7 +1970,7 @@ impl CheckKind {
            CheckKind::AmbiguousUnicodeCharacterString(..) => &CheckCode::RUF001,
            CheckKind::AmbiguousUnicodeCharacterDocstring(..) => &CheckCode::RUF002,
            CheckKind::AmbiguousUnicodeCharacterComment(..) => &CheckCode::RUF003,
-            CheckKind::UnusedNOQA(_) => &CheckCode::RUF100,
+            CheckKind::UnusedNOQA(..) => &CheckCode::RUF100,
        }
    }

@@ -2522,6 +2538,7 @@ impl CheckKind {
                format!("Use `{}` instead of `type(...)`", primitive.builtin())
            }
            CheckKind::UselessMetaclassType => "`__metaclass__ = type` is implied".to_string(),
+            CheckKind::TypingTextStrAlias => "`typing.Text` is deprecated, use `str`".to_string(),
            CheckKind::DeprecatedUnittestAlias(alias, target) => {
                format!("`{alias}` is deprecated, use `{target}` instead")
            }
@@ -2555,6 +2572,7 @@ impl CheckKind {
            CheckKind::RedundantOpenModes => "Unnecessary open mode parameters".to_string(),
            CheckKind::RemoveSixCompat => "Unnecessary `six` compatibility usage".to_string(),
            CheckKind::DatetimeTimezoneUTC => "Use `datetime.UTC` alias".to_string(),
+            CheckKind::NativeLiterals => "Unnecessary call to `str` and `bytes`".to_string(),
            CheckKind::ConvertTypedDictFunctionalToClass(name) => {
                format!("Convert `{name}` from `TypedDict` functional to class syntax")
            }
@@ -2599,13 +2617,13 @@ impl CheckKind {
            CheckKind::NoBlankLineAfterFunction(num_lines) => {
                format!("No blank lines allowed after function docstring (found {num_lines})")
            }
-            CheckKind::NoBlankLineBeforeClass(_) => {
+            CheckKind::NoBlankLineBeforeClass(..) => {
                "No blank lines allowed before class docstring".to_string()
            }
-            CheckKind::OneBlankLineBeforeClass(_) => {
+            CheckKind::OneBlankLineBeforeClass(..) => {
                "1 blank line required before class docstring".to_string()
            }
-            CheckKind::OneBlankLineAfterClass(_) => {
+            CheckKind::OneBlankLineAfterClass(..) => {
                "1 blank line required after class docstring".to_string()
            }
            CheckKind::PublicModule => "Missing docstring in public module".to_string(),
@@ -2851,19 +2869,44 @@ impl CheckKind {
                )
            }
            CheckKind::UnusedNOQA(codes) => match codes {
-                None => "Unused `noqa` directive".to_string(),
+                None => "Unused blanket `noqa` directive".to_string(),
                Some(codes) => {
-                    let codes = codes
-                        .iter()
-                        .map(|code| {
-                            if CheckCode::from_str(code).is_ok() {
-                                code.to_string()
-                            } else {
-                                format!("{code} (not implemented)")
-                            }
-                        })
-                        .join(", ");
-                    format!("Unused `noqa` directive for: {codes}")
+                    let mut codes_by_reason = vec![];
+                    if !codes.unmatched.is_empty() {
+                        codes_by_reason.push(format!(
+                            "unused: {}",
+                            codes
+                                .unmatched
+                                .iter()
+                                .map(|code| format!("`{code}`"))
+                                .join(", ")
+                        ));
+                    }
+                    if !codes.disabled.is_empty() {
+                        codes_by_reason.push(format!(
+                            "non-enabled: {}",
+                            codes
+                                .disabled
+                                .iter()
+                                .map(|code| format!("`{code}`"))
+                                .join(", ")
+                        ));
+                    }
+                    if !codes.unknown.is_empty() {
+                        codes_by_reason.push(format!(
+                            "unknown: {}",
+                            codes
+                                .unknown
+                                .iter()
+                                .map(|code| format!("`{code}`"))
+                                .join(", ")
+                        ));
+                    }
+                    if codes_by_reason.is_empty() {
+                        "Unused `noqa` directive".to_string()
+                    } else {
+                        format!("Unused `noqa` directive ({})", codes_by_reason.join("; "))
+                    }
                }
            },
            // flake8-datetimez
@@ -2956,6 +2999,7 @@ impl CheckKind {
                | CheckKind::ConvertNamedTupleFunctionalToClass(..)
                | CheckKind::ConvertTypedDictFunctionalToClass(..)
                | CheckKind::DashedUnderlineAfterSection(..)
+                | CheckKind::DatetimeTimezoneUTC
                | CheckKind::DeprecatedUnittestAlias(..)
                | CheckKind::DoNotAssertFalse
                | CheckKind::DoNotAssignLambda
@@ -2965,16 +3009,19 @@ impl CheckKind {
                | CheckKind::GetAttrWithConstant
                | CheckKind::ImplicitReturn
                | CheckKind::ImplicitReturnValue
+                | CheckKind::InvalidEscapeSequence(..)
                | CheckKind::IsLiteral
                | CheckKind::KeyInDict(..)
                | CheckKind::MisplacedComparisonConstant(..)
                | CheckKind::MissingReturnTypeSpecialMethod(..)
+                | CheckKind::NativeLiterals
                | CheckKind::NewLineAfterLastParagraph
                | CheckKind::NewLineAfterSectionName(..)
                | CheckKind::NoBlankLineAfterFunction(..)
                | CheckKind::NoBlankLineBeforeClass(..)
                | CheckKind::NoBlankLineBeforeFunction(..)
                | CheckKind::NoBlankLinesBetweenHeaderAndContent(..)
+                | CheckKind::NoNewLineAtEndOfFile
                | CheckKind::NoOverIndentation
                | CheckKind::NoSurroundingWhitespace
                | CheckKind::NoUnderIndentation
@@ -2991,7 +3038,6 @@ impl CheckKind {
                | CheckKind::RedundantOpenModes
                | CheckKind::RedundantTupleInExceptionHandler(..)
                | CheckKind::RemoveSixCompat
-                | CheckKind::DatetimeTimezoneUTC
                | CheckKind::SectionNameEndsInColon(..)
                | CheckKind::SectionNotOverIndented(..)
                | CheckKind::SectionUnderlineAfterName(..)
@@ -3002,6 +3048,7 @@ impl CheckKind {
                | CheckKind::SuperCallWithParameters
                | CheckKind::TrueFalseComparison(..)
                | CheckKind::TypeOfPrimitive(..)
+                | CheckKind::TypingTextStrAlias
                | CheckKind::UnnecessaryCallAroundSorted(..)
                | CheckKind::UnnecessaryCollectionCall(..)
                | CheckKind::UnnecessaryComprehension(..)
@@ -3076,6 +3123,7 @@ pub static PREFIX_REDIRECTS: Lazy<FxHashMap<&'static str, CheckCodePrefix>> = La
        ("U015", CheckCodePrefix::UP015),
        ("U016", CheckCodePrefix::UP016),
        ("U017", CheckCodePrefix::UP017),
+        ("U019", CheckCodePrefix::UP019),
        // TODO(charlie): Remove by 2023-02-01.
        ("I252", CheckCodePrefix::TID252),
        ("M001", CheckCodePrefix::RUF100),
@@ -3151,6 +3199,7 @@ pub static CODE_REDIRECTS: Lazy<FxHashMap<&'static str, CheckCode>> = Lazy::new(
        ("U015", CheckCode::UP015),
        ("U016", CheckCode::UP016),
        ("U017", CheckCode::UP017),
+        ("U019", CheckCode::UP019),
        // TODO(charlie): Remove by 2023-02-01.
        ("I252", CheckCode::TID252),
        ("M001", CheckCode::RUF100),
--- a/src/checks_gen.rs
+++ b/src/checks_gen.rs
@@ -1,6 +1,7 @@
 //! File automatically generated by `examples/generate_check_code_prefix.rs`.

 use colored::Colorize;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};
 use strum_macros::{AsRefStr, EnumString};

@@ -8,7 +9,17 @@ use crate::checks::CheckCode;
 use crate::one_time_warning;

 #[derive(
-    EnumString, AsRefStr, Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize, Deserialize,
+    EnumString,
+    AsRefStr,
+    Debug,
+    PartialEq,
+    Eq,
+    PartialOrd,
+    Ord,
+    Clone,
+    Serialize,
+    Deserialize,
+    JsonSchema,
 )]
 pub enum CheckCodePrefix {
    A,
@@ -493,6 +504,7 @@ pub enum CheckCodePrefix {
    U015,
    U016,
    U017,
+    U019,
    UP,
    UP0,
    UP00,
@@ -513,6 +525,8 @@ pub enum CheckCodePrefix {
    UP015,
    UP016,
    UP017,
+    UP018,
+    UP019,
    W,
    W2,
    W29,
@@ -2088,6 +2102,8 @@ impl CheckCodePrefix {
                    CheckCode::UP015,
                    CheckCode::UP016,
                    CheckCode::UP017,
+                    CheckCode::UP018,
+                    CheckCode::UP019,
                ]
            }
            CheckCodePrefix::U0 => {
@@ -2114,6 +2130,8 @@ impl CheckCodePrefix {
                    CheckCode::UP015,
                    CheckCode::UP016,
                    CheckCode::UP017,
+                    CheckCode::UP018,
+                    CheckCode::UP019,
                ]
            }
            CheckCodePrefix::U00 => {
@@ -2222,6 +2240,8 @@ impl CheckCodePrefix {
                    CheckCode::UP015,
                    CheckCode::UP016,
                    CheckCode::UP017,
+                    CheckCode::UP018,
+                    CheckCode::UP019,
                ]
            }
            CheckCodePrefix::U010 => {
@@ -2296,6 +2316,15 @@ impl CheckCodePrefix {
                );
                vec![CheckCode::UP017]
            }
+            CheckCodePrefix::U019 => {
+                one_time_warning!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`U019` has been remapped to `UP019`".bold()
+                );
+                vec![CheckCode::UP019]
+            }
            CheckCodePrefix::UP => vec![
                CheckCode::UP001,
                CheckCode::UP003,
@@ -2313,6 +2342,8 @@ impl CheckCodePrefix {
                CheckCode::UP015,
                CheckCode::UP016,
                CheckCode::UP017,
+                CheckCode::UP018,
+                CheckCode::UP019,
            ],
            CheckCodePrefix::UP0 => vec![
                CheckCode::UP001,
@@ -2331,6 +2362,8 @@ impl CheckCodePrefix {
                CheckCode::UP015,
                CheckCode::UP016,
                CheckCode::UP017,
+                CheckCode::UP018,
+                CheckCode::UP019,
            ],
            CheckCodePrefix::UP00 => vec![
                CheckCode::UP001,
@@ -2359,6 +2392,8 @@ impl CheckCodePrefix {
                CheckCode::UP015,
                CheckCode::UP016,
                CheckCode::UP017,
+                CheckCode::UP018,
+                CheckCode::UP019,
            ],
            CheckCodePrefix::UP010 => vec![CheckCode::UP010],
            CheckCodePrefix::UP011 => vec![CheckCode::UP011],
@@ -2368,6 +2403,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::UP015 => vec![CheckCode::UP015],
            CheckCodePrefix::UP016 => vec![CheckCode::UP016],
            CheckCodePrefix::UP017 => vec![CheckCode::UP017],
+            CheckCodePrefix::UP018 => vec![CheckCode::UP018],
+            CheckCodePrefix::UP019 => vec![CheckCode::UP019],
            CheckCodePrefix::W => vec![CheckCode::W292, CheckCode::W605],
            CheckCodePrefix::W2 => vec![CheckCode::W292],
            CheckCodePrefix::W29 => vec![CheckCode::W292],
@@ -2903,6 +2940,7 @@ impl CheckCodePrefix {
            CheckCodePrefix::U015 => SuffixLength::Three,
            CheckCodePrefix::U016 => SuffixLength::Three,
            CheckCodePrefix::U017 => SuffixLength::Three,
+            CheckCodePrefix::U019 => SuffixLength::Three,
            CheckCodePrefix::UP => SuffixLength::Zero,
            CheckCodePrefix::UP0 => SuffixLength::One,
            CheckCodePrefix::UP00 => SuffixLength::Two,
@@ -2923,6 +2961,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::UP015 => SuffixLength::Three,
            CheckCodePrefix::UP016 => SuffixLength::Three,
            CheckCodePrefix::UP017 => SuffixLength::Three,
+            CheckCodePrefix::UP018 => SuffixLength::Three,
+            CheckCodePrefix::UP019 => SuffixLength::Three,
            CheckCodePrefix::W => SuffixLength::Zero,
            CheckCodePrefix::W2 => SuffixLength::One,
            CheckCodePrefix::W29 => SuffixLength::Two,
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -19,7 +19,8 @@ use crate::settings::types::{
 pub struct Cli {
    #[arg(required_unless_present_any = ["explain", "generate_shell_completion"])]
    pub files: Vec<PathBuf>,
-    /// Path to the `pyproject.toml` file to use for configuration.
+    /// Path to the `pyproject.toml` or `ruff.toml` file to use for
+    /// configuration.
    #[arg(long)]
    pub config: Option<PathBuf>,
    /// Enable verbose logging.
@@ -43,6 +44,12 @@ pub struct Cli {
    fix: bool,
    #[clap(long, overrides_with("fix"), hide = true)]
    no_fix: bool,
+    /// Fix any fixable lint errors, but don't report on leftover violations.
+    /// Implies `--fix`.
+    #[arg(long, overrides_with("no_fix_only"))]
+    fix_only: bool,
+    #[clap(long, overrides_with("fix_only"), hide = true)]
+    no_fix_only: bool,
    /// Disable cache reads.
    #[arg(short, long)]
    pub no_cache: bool,
@@ -133,6 +140,9 @@ pub struct Cli {
    /// Generate shell completion
    #[arg(long, hide = true, value_name = "SHELL")]
    pub generate_shell_completion: Option<clap_complete_command::Shell>,
+    /// Path to the cache directory.
+    #[arg(long)]
+    pub cache_dir: Option<PathBuf>,
 }

 impl Cli {
@@ -178,8 +188,10 @@ impl Cli {
                unfixable: self.unfixable,
                // TODO(charlie): Included in `pyproject.toml`, but not inherited.
                fix: resolve_bool_arg(self.fix, self.no_fix),
+                fix_only: resolve_bool_arg(self.fix_only, self.no_fix_only),
                format: self.format,
                force_exclude: resolve_bool_arg(self.force_exclude, self.no_force_exclude),
+                cache_dir: self.cache_dir,
            },
        )
    }
@@ -236,8 +248,10 @@ pub struct Overrides {
    pub unfixable: Option<Vec<CheckCodePrefix>>,
    // TODO(charlie): Captured in pyproject.toml as a default, but not part of `Settings`.
    pub fix: Option<bool>,
+    pub fix_only: Option<bool>,
    pub format: Option<SerializationFormat>,
    pub force_exclude: Option<bool>,
+    pub cache_dir: Option<PathBuf>,
 }

 /// Map the CLI settings to a `LogLevel`.
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -20,7 +20,7 @@ use crate::message::Message;
 use crate::resolver::{FileDiscovery, PyprojectDiscovery};
 use crate::settings::flags;
 use crate::settings::types::SerializationFormat;
-use crate::{packages, resolver};
+use crate::{cache, packages, resolver};

 /// Run the linter over a collection of files.
 pub fn run(
@@ -38,6 +38,33 @@ pub fn run(
    let duration = start.elapsed();
    debug!("Identified files to lint in: {:?}", duration);

+    // Validate the `Settings` and return any errors.
+    resolver.validate(pyproject_strategy)?;
+
+    // Initialize the cache.
+    if matches!(cache, flags::Cache::Enabled) {
+        match &pyproject_strategy {
+            PyprojectDiscovery::Fixed(settings) => {
+                if let Err(e) = cache::init(&settings.cache_dir) {
+                    error!(
+                        "Failed to initialize cache at {}: {e:?}",
+                        settings.cache_dir.to_string_lossy()
+                    );
+                }
+            }
+            PyprojectDiscovery::Hierarchical(default) => {
+                for settings in std::iter::once(default).chain(resolver.iter()) {
+                    if let Err(e) = cache::init(&settings.cache_dir) {
+                        error!(
+                            "Failed to initialize cache at {}: {e:?}",
+                            settings.cache_dir.to_string_lossy()
+                        );
+                    }
+                }
+            }
+        }
+    };
+
    // Discover the package root for each Python file.
    let package_roots = packages::detect_package_roots(
        &paths
@@ -152,6 +179,9 @@ pub fn add_noqa(
    let duration = start.elapsed();
    debug!("Identified files to lint in: {:?}", duration);

+    // Validate the `Settings` and return any errors.
+    resolver.validate(pyproject_strategy)?;
+
    let start = Instant::now();
    let modifications: usize = par_iter(&paths)
        .flatten()
@@ -188,6 +218,9 @@ pub fn autoformat(
    let duration = start.elapsed();
    debug!("Identified files to lint in: {:?}", duration);

+    // Validate the `Settings` and return any errors.
+    resolver.validate(pyproject_strategy)?;
+
    let start = Instant::now();
    let modifications = par_iter(&paths)
        .flatten()
@@ -221,6 +254,9 @@ pub fn show_settings(
    let (paths, resolver) =
        resolver::python_files_in_path(files, pyproject_strategy, file_strategy, overrides)?;

+    // Validate the `Settings` and return any errors.
+    resolver.validate(pyproject_strategy)?;
+
    // Print the list of files.
    let Some(entry) = paths
        .iter()
@@ -244,9 +280,12 @@ pub fn show_files(
    overrides: &Overrides,
 ) -> Result<()> {
    // Collect all files in the hierarchy.
-    let (paths, _resolver) =
+    let (paths, resolver) =
        resolver::python_files_in_path(files, pyproject_strategy, file_strategy, overrides)?;

+    // Validate the `Settings` and return any errors.
+    resolver.validate(pyproject_strategy)?;
+
    // Print the list of files.
    for entry in paths
        .iter()
--- a/src/flake8_annotations/settings.rs
+++ b/src/flake8_annotations/settings.rs
@@ -1,51 +1,53 @@
 //! Settings for the `flake-annotations` plugin.

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8AnnotationsOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Whether to allow the omission of a return type hint for `__init__` if at least one
-            argument is annotated.
-        "#,
        default = "false",
        value_type = "bool",
        example = "mypy-init-return = true"
    )]
+    /// Whether to allow the omission of a return type hint for `__init__` if at
+    /// least one argument is annotated.
    pub mypy_init_return: Option<bool>,
    #[option(
-        doc = r#"
-            Whether to suppress `ANN000`-level errors for arguments matching the "dummy" variable
-            regex (like `_`).
-        "#,
        default = "false",
        value_type = "bool",
        example = "suppress-dummy-args = true"
    )]
+    /// Whether to suppress `ANN000`-level errors for arguments matching the
+    /// "dummy" variable regex (like `_`).
    pub suppress_dummy_args: Option<bool>,
    #[option(
-        doc = r#"
-            Whether to suppress `ANN200`-level errors for functions that meet either of the
-            following criteria:
-
-            - Contain no `return` statement.
-            - Explicit `return` statement(s) all return `None` (explicitly or implicitly).
-        "#,
        default = "false",
        value_type = "bool",
        example = "suppress-none-returning = true"
    )]
+    /// Whether to suppress `ANN200`-level errors for functions that meet either
+    /// of the following criteria:
+    ///
+    /// - Contain no `return` statement.
+    /// - Explicit `return` statement(s) all return `None` (explicitly or
+    ///   implicitly).
    pub suppress_none_returning: Option<bool>,
    #[option(
-        doc = "Whether to suppress `ANN401` for dynamically typed `*args` and `**kwargs` \
-               arguments.",
        default = "false",
        value_type = "bool",
        example = "allow-star-arg-any = true"
    )]
+    /// Whether to suppress `ANN401` for dynamically typed `*args` and
+    /// `**kwargs` arguments.
    pub allow_star_arg_any: Option<bool>,
 }

--- a/src/flake8_bugbear/plugins/duplicate_exceptions.rs
+++ b/src/flake8_bugbear/plugins/duplicate_exceptions.rs
@@ -1,8 +1,6 @@
 use itertools::Itertools;
-use rustc_hash::FxHashSet;
-use rustpython_ast::{
-    Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind, Location, Stmt,
-};
+use rustc_hash::{FxHashMap, FxHashSet};
+use rustpython_ast::{Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind, Location};

 use crate::ast::helpers;
 use crate::ast::types::Range;
@@ -26,17 +24,17 @@ fn duplicate_handler_exceptions<'a>(
    checker: &mut Checker,
    expr: &'a Expr,
    elts: &'a [Expr],
-) -> FxHashSet<Vec<&'a str>> {
-    let mut seen: FxHashSet<Vec<&str>> = FxHashSet::default();
+) -> FxHashMap<Vec<&'a str>, &'a Expr> {
+    let mut seen: FxHashMap<Vec<&str>, &Expr> = FxHashMap::default();
    let mut duplicates: FxHashSet<Vec<&str>> = FxHashSet::default();
    let mut unique_elts: Vec<&Expr> = Vec::default();
    for type_ in elts {
        let call_path = helpers::collect_call_paths(type_);
        if !call_path.is_empty() {
-            if seen.contains(&call_path) {
+            if seen.contains_key(&call_path) {
                duplicates.insert(call_path);
            } else {
-                seen.insert(call_path);
+                seen.entry(call_path).or_insert(type_);
                unique_elts.push(type_);
            }
        }
@@ -77,9 +75,9 @@ fn duplicate_handler_exceptions<'a>(
    seen
 }

-pub fn duplicate_exceptions(checker: &mut Checker, stmt: &Stmt, handlers: &[Excepthandler]) {
+pub fn duplicate_exceptions(checker: &mut Checker, handlers: &[Excepthandler]) {
    let mut seen: FxHashSet<Vec<&str>> = FxHashSet::default();
-    let mut duplicates: FxHashSet<Vec<&str>> = FxHashSet::default();
+    let mut duplicates: FxHashMap<Vec<&str>, Vec<&Expr>> = FxHashMap::default();
    for handler in handlers {
        let ExcepthandlerKind::ExceptHandler { type_: Some(type_), .. } = &handler.node else {
            continue;
@@ -89,16 +87,16 @@ pub fn duplicate_exceptions(checker: &mut Checker, stmt: &Stmt, handlers: &[Exce
                let call_path = helpers::collect_call_paths(type_);
                if !call_path.is_empty() {
                    if seen.contains(&call_path) {
-                        duplicates.insert(call_path);
+                        duplicates.entry(call_path).or_default().push(type_);
                    } else {
                        seen.insert(call_path);
                    }
                }
            }
            ExprKind::Tuple { elts, .. } => {
-                for name in duplicate_handler_exceptions(checker, type_, elts) {
+                for (name, expr) in duplicate_handler_exceptions(checker, type_, elts) {
                    if seen.contains(&name) {
-                        duplicates.insert(name);
+                        duplicates.entry(name).or_default().push(expr);
                    } else {
                        seen.insert(name);
                    }
@@ -109,11 +107,13 @@ pub fn duplicate_exceptions(checker: &mut Checker, stmt: &Stmt, handlers: &[Exce
    }

    if checker.settings.enabled.contains(&CheckCode::B025) {
-        for duplicate in duplicates.into_iter().sorted() {
-            checker.add_check(Check::new(
-                CheckKind::DuplicateTryBlockException(duplicate.join(".")),
-                Range::from_located(stmt),
-            ));
+        for (name, exprs) in duplicates {
+            for expr in exprs {
+                checker.add_check(Check::new(
+                    CheckKind::DuplicateTryBlockException(name.join(".")),
+                    Range::from_located(expr),
+                ));
+            }
        }
    }
 }
--- a/src/flake8_bugbear/settings.rs
+++ b/src/flake8_bugbear/settings.rs
@@ -1,16 +1,19 @@
 //! Settings for the `flake8-bugbear` plugin.

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8BugbearOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Additional callable functions to consider "immutable" when evaluating, e.g.,
-            `no-mutable-default-argument` checks (`B006`).
-        "#,
        default = r#"[]"#,
        value_type = "Vec<String>",
        example = r#"
@@ -18,6 +21,8 @@ pub struct Options {
            extend-immutable-calls = ["fastapi.Depends", "fastapi.Query"]
        "#
    )]
+    /// Additional callable functions to consider "immutable" when evaluating,
+    /// e.g., `no-mutable-default-argument` checks (`B006`).
    pub extend_immutable_calls: Option<Vec<String>>,
 }

--- a/src/flake8_bugbear/snapshots/ruff__flake8_bugbeartestsB025_B025.py.snap
+++ b/src/flake8_bugbear/snapshots/ruff__flake8_bugbeartestsB025_B025.py.snap
@@ -5,37 +5,37 @@ expression: checks
 - kind:
    DuplicateTryBlockException: ValueError
  location:
-    row: 15
-    column: 0
+    row: 19
+    column: 7
  end_location:
-    row: 20
-    column: 9
+    row: 19
+    column: 17
  fix: ~
 - kind:
    DuplicateTryBlockException: pickle.PickleError
  location:
-    row: 22
-    column: 0
+    row: 28
+    column: 7
  end_location:
-    row: 29
-    column: 9
-  fix: ~
- kind:
-    DuplicateTryBlockException: TypeError
-  location:
-    row: 31
-    column: 0
-  end_location:
-    row: 38
-    column: 9
+    row: 28
+    column: 25
  fix: ~
 - kind:
    DuplicateTryBlockException: ValueError
  location:
-    row: 31
-    column: 0
+    row: 35
+    column: 7
  end_location:
-    row: 38
-    column: 9
+    row: 35
+    column: 17
+  fix: ~
+- kind:
+    DuplicateTryBlockException: TypeError
+  location:
+    row: 37
+    column: 17
+  end_location:
+    row: 37
+    column: 26
  fix: ~

--- a/src/flake8_errmsg/checks.rs
+++ b/src/flake8_errmsg/checks.rs
@@ -1,46 +0,0 @@
-use rustpython_ast::{Constant, Expr, ExprKind};
-
-use crate::ast::types::Range;
-use crate::checks::{Check, CheckKind};
-
-pub fn check_string_in_exception(exc: &Expr, max_string_length: usize) -> Vec<Check> {
-    let mut checks = vec![];
-
-    if let ExprKind::Call { args, .. } = &exc.node {
-        if let Some(first) = args.first() {
-            match &first.node {
-                // Check for string literals
-                ExprKind::Constant {
-                    value: Constant::Str(string),
-                    ..
-                } => {
-                    if string.len() > max_string_length {
-                        checks.push(Check::new(
-                            CheckKind::RawStringInException,
-                            Range::from_located(first),
-                        ));
-                    }
-                }
-                // Check for f-strings
-                ExprKind::JoinedStr { .. } => checks.push(Check::new(
-                    CheckKind::FStringInException,
-                    Range::from_located(first),
-                )),
-                // Check for .format() calls
-                ExprKind::Call { func, .. } => {
-                    if let ExprKind::Attribute { value, attr, .. } = &func.node {
-                        if attr == "format" && matches!(value.node, ExprKind::Constant { .. }) {
-                            checks.push(Check::new(
-                                CheckKind::DotFormatInException,
-                                Range::from_located(first),
-                            ));
-                        }
-                    }
-                }
-                _ => {}
-            }
-        }
-    }
-
-    checks
-}
--- a/src/flake8_errmsg/mod.rs
+++ b/src/flake8_errmsg/mod.rs
@@ -1,4 +1,4 @@
-pub mod checks;
+pub mod plugins;
 pub mod settings;

 #[cfg(test)]
--- a/src/flake8_errmsg/plugins.rs
+++ b/src/flake8_errmsg/plugins.rs
@@ -0,0 +1,52 @@
+use rustpython_ast::{Constant, Expr, ExprKind};
+
+use crate::ast::types::Range;
+use crate::checkers::ast::Checker;
+use crate::checks::{Check, CheckCode, CheckKind};
+
+/// EM101, EM102, EM103
+pub fn string_in_exception(checker: &mut Checker, exc: &Expr) {
+    if let ExprKind::Call { args, .. } = &exc.node {
+        if let Some(first) = args.first() {
+            match &first.node {
+                // Check for string literals
+                ExprKind::Constant {
+                    value: Constant::Str(string),
+                    ..
+                } => {
+                    if checker.settings.enabled.contains(&CheckCode::EM101) {
+                        if string.len() > checker.settings.flake8_errmsg.max_string_length {
+                            checker.add_check(Check::new(
+                                CheckKind::RawStringInException,
+                                Range::from_located(first),
+                            ));
+                        }
+                    }
+                }
+                // Check for f-strings
+                ExprKind::JoinedStr { .. } => {
+                    if checker.settings.enabled.contains(&CheckCode::EM102) {
+                        checker.add_check(Check::new(
+                            CheckKind::FStringInException,
+                            Range::from_located(first),
+                        ));
+                    }
+                }
+                // Check for .format() calls
+                ExprKind::Call { func, .. } => {
+                    if checker.settings.enabled.contains(&CheckCode::EM103) {
+                        if let ExprKind::Attribute { value, attr, .. } = &func.node {
+                            if attr == "format" && matches!(value.node, ExprKind::Constant { .. }) {
+                                checker.add_check(Check::new(
+                                    CheckKind::DotFormatInException,
+                                    Range::from_located(first),
+                                ));
+                            }
+                        }
+                    }
+                }
+                _ => {}
+            }
+        }
+    }
+}
--- a/src/flake8_errmsg/settings.rs
+++ b/src/flake8_errmsg/settings.rs
@@ -1,19 +1,24 @@
 //! Settings for the `flake8-errmsg` plugin.

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8ErrMsgOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Maximum string length for string literals in exception messages.
-        "#,
        default = "0",
        value_type = "usize",
        example = "max-string-length = 20"
    )]
+    /// Maximum string length for string literals in exception messages.
    pub max_string_length: Option<usize>,
 }

--- a/src/flake8_import_conventions/settings.rs
+++ b/src/flake8_import_conventions/settings.rs
@@ -5,6 +5,7 @@ use std::hash::{Hash, Hasher};
 use itertools::Itertools;
 use ruff_macros::ConfigurationOptions;
 use rustc_hash::FxHashMap;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

 const CONVENTIONAL_ALIASES: &[(&str, &str)] = &[
@@ -15,12 +16,16 @@ const CONVENTIONAL_ALIASES: &[(&str, &str)] = &[
    ("seaborn", "sns"),
 ];

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8ImportConventionsOptions"
+)]
 pub struct Options {
    #[option(
-        doc = "The conventional aliases for imports. These aliases can be extended by the \
-               `extend_aliases` option.",
        default = r#"{"altair": "alt", "matplotlib.pyplot": "plt", "numpy": "np", "pandas": "pd", "seaborn": "sns"}"#,
        value_type = "FxHashMap<String, String>",
        example = r#"
@@ -32,10 +37,10 @@ pub struct Options {
            seaborn = "sns"
        "#
    )]
+    /// The conventional aliases for imports. These aliases can be extended by
+    /// the `extend_aliases` option.
    pub aliases: Option<FxHashMap<String, String>>,
    #[option(
-        doc = "A mapping of modules to their conventional import aliases. These aliases will be \
-               added to the `aliases` mapping.",
        default = r#"{}"#,
        value_type = "FxHashMap<String, String>",
        example = r#"
@@ -43,6 +48,8 @@ pub struct Options {
            "dask.dataframe" = "dd"
        "#
    )]
+    /// A mapping of modules to their conventional import aliases. These aliases
+    /// will be added to the `aliases` mapping.
    pub extend_aliases: Option<FxHashMap<String, String>>,
 }

--- a/src/flake8_quotes/settings.rs
+++ b/src/flake8_quotes/settings.rs
@@ -1,57 +1,56 @@
 //! Settings for the `flake8-quotes` plugin.

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash, JsonSchema)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub enum Quote {
    Single,
    Double,
 }

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8QuotesOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Quote style to prefer for inline strings (either "single" (`'`) or "double" (`"`)).
-        "#,
        default = r#""double""#,
        value_type = "Quote",
        example = r#"
            inline-quotes = "single"
        "#
    )]
+    /// Quote style to prefer for inline strings (either "single" (`'`) or
+    /// "double" (`"`)).
    pub inline_quotes: Option<Quote>,
    #[option(
-        doc = r#"
-            Quote style to prefer for multiline strings (either "single" (`'`) or "double" (`"`)).
-        "#,
        default = r#""double""#,
        value_type = "Quote",
        example = r#"
            multiline-quotes = "single"
        "#
    )]
+    /// Quote style to prefer for multiline strings (either "single" (`'`) or
+    /// "double" (`"`)).
    pub multiline_quotes: Option<Quote>,
    #[option(
-        doc = r#"
-            Quote style to prefer for docstrings (either "single" (`'`) or "double" (`"`)).
-        "#,
        default = r#""double""#,
        value_type = "Quote",
        example = r#"
            docstring-quotes = "single"
        "#
    )]
+    /// Quote style to prefer for docstrings (either "single" (`'`) or "double"
+    /// (`"`)).
    pub docstring_quotes: Option<Quote>,
    #[option(
-        doc = r#"
-            Whether to avoid using single quotes if a string contains single quotes, or vice-versa
-            with double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes).
-            This minimizes the need to escape quotation marks within strings.
-        "#,
        default = r#"true"#,
        value_type = "bool",
        example = r#"
@@ -59,6 +58,9 @@ pub struct Options {
            avoid-escape = false
        "#
    )]
+    /// Whether to avoid using single quotes if a string contains single quotes,
+    /// or vice-versa with double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes).
+    /// This minimizes the need to escape quotation marks within strings.
    pub avoid_escape: Option<bool>,
 }

--- a/src/flake8_return/plugins.rs
+++ b/src/flake8_return/plugins.rs
@@ -203,6 +203,10 @@ fn unnecessary_assign(checker: &mut Checker, stack: &Stack, expr: &Expr) {
            return;
        }

+        if stack.non_locals.contains(id.as_str()) {
+            return;
+        }
+
        checker.add_check(Check::new(
            CheckKind::UnnecessaryAssign,
            Range::from_located(expr),
--- a/src/flake8_return/visitor.rs
+++ b/src/flake8_return/visitor.rs
@@ -1,4 +1,4 @@
-use rustc_hash::FxHashMap;
+use rustc_hash::{FxHashMap, FxHashSet};
 use rustpython_ast::{Expr, ExprKind, Location, Stmt, StmtKind};

 use crate::ast::visitor;
@@ -10,6 +10,7 @@ pub struct Stack<'a> {
    pub ifs: Vec<&'a Stmt>,
    pub elifs: Vec<&'a Stmt>,
    pub refs: FxHashMap<&'a str, Vec<Location>>,
+    pub non_locals: FxHashSet<&'a str>,
    pub assigns: FxHashMap<&'a str, Vec<Location>>,
    pub loops: Vec<(Location, Location)>,
    pub tries: Vec<(Location, Location)>,
@@ -48,6 +49,11 @@ impl<'a> ReturnVisitor<'a> {
 impl<'a> Visitor<'a> for ReturnVisitor<'a> {
    fn visit_stmt(&mut self, stmt: &'a Stmt) {
        match &stmt.node {
+            StmtKind::Global { names } | StmtKind::Nonlocal { names } => {
+                self.stack
+                    .non_locals
+                    .extend(names.iter().map(std::string::String::as_str));
+            }
            StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
                // Don't recurse.
            }
--- a/src/flake8_tidy_imports/settings.rs
+++ b/src/flake8_tidy_imports/settings.rs
@@ -1,23 +1,26 @@
 //! Settings for the `flake8-tidy-imports` plugin.

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash, JsonSchema)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub enum Strictness {
    Parents,
    All,
 }

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8TidyImportsOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Whether to ban all relative imports (`"all"`), or only those imports that extend into
-            the parent module and beyond (`"parents"`).
-        "#,
        default = r#""parents""#,
        value_type = "Strictness",
        example = r#"
@@ -25,6 +28,8 @@ pub struct Options {
            ban-relative-imports = "all"
        "#
    )]
+    /// Whether to ban all relative imports (`"all"`), or only those imports
+    /// that extend into the parent module and beyond (`"parents"`).
    pub ban_relative_imports: Option<Strictness>,
 }

--- a/src/flake8_unused_arguments/plugins.rs
+++ b/src/flake8_unused_arguments/plugins.rs
@@ -130,6 +130,7 @@ pub fn unused_arguments(
                        .settings
                        .enabled
                        .contains(Argumentable::Function.check_code())
+                        && !visibility::is_overload(checker, decorator_list)
                    {
                        function(
                            &Argumentable::Function,
@@ -154,6 +155,7 @@ pub fn unused_arguments(
                        && !helpers::is_empty(body)
                        && !visibility::is_abstract(checker, decorator_list)
                        && !visibility::is_override(checker, decorator_list)
+                        && !visibility::is_overload(checker, decorator_list)
                    {
                        method(
                            &Argumentable::Method,
@@ -178,6 +180,7 @@ pub fn unused_arguments(
                        && !helpers::is_empty(body)
                        && !visibility::is_abstract(checker, decorator_list)
                        && !visibility::is_override(checker, decorator_list)
+                        && !visibility::is_overload(checker, decorator_list)
                    {
                        method(
                            &Argumentable::ClassMethod,
@@ -202,6 +205,7 @@ pub fn unused_arguments(
                        && !helpers::is_empty(body)
                        && !visibility::is_abstract(checker, decorator_list)
                        && !visibility::is_override(checker, decorator_list)
+                        && !visibility::is_overload(checker, decorator_list)
                    {
                        function(
                            &Argumentable::StaticMethod,
--- a/src/flake8_unused_arguments/settings.rs
+++ b/src/flake8_unused_arguments/settings.rs
@@ -1,19 +1,24 @@
 //! Settings for the `flake8-unused-arguments` plugin.

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "Flake8UnusedArgumentsOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Whether to allow unused variadic arguments, like `*args` and `**kwargs`.
-        "#,
        default = "false",
        value_type = "bool",
        example = "ignore-variadic-names = true"
    )]
+    /// Whether to allow unused variadic arguments, like `*args` and `**kwargs`.
    pub ignore_variadic_names: Option<bool>,
 }

--- a/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG001_ARG.py.snap
+++ b/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG001_ARG.py.snap
@@ -5,73 +5,73 @@ expression: checks
 - kind:
    UnusedFunctionArgument: self
  location:
-    row: 8
+    row: 9
    column: 6
  end_location:
-    row: 8
+    row: 9
    column: 10
  fix: ~
 - kind:
    UnusedFunctionArgument: x
  location:
-    row: 8
+    row: 9
    column: 12
  end_location:
-    row: 8
+    row: 9
    column: 13
  fix: ~
 - kind:
    UnusedFunctionArgument: cls
  location:
-    row: 12
+    row: 13
    column: 6
  end_location:
-    row: 12
+    row: 13
    column: 9
  fix: ~
 - kind:
    UnusedFunctionArgument: x
  location:
-    row: 12
+    row: 13
    column: 11
  end_location:
-    row: 12
+    row: 13
    column: 12
  fix: ~
 - kind:
    UnusedFunctionArgument: self
  location:
-    row: 16
+    row: 17
    column: 6
  end_location:
-    row: 16
+    row: 17
    column: 10
  fix: ~
 - kind:
    UnusedFunctionArgument: x
  location:
-    row: 16
+    row: 17
    column: 12
  end_location:
-    row: 16
+    row: 17
    column: 13
  fix: ~
 - kind:
    UnusedFunctionArgument: cls
  location:
-    row: 20
+    row: 21
    column: 6
  end_location:
-    row: 20
+    row: 21
    column: 9
  fix: ~
 - kind:
    UnusedFunctionArgument: x
  location:
-    row: 20
+    row: 21
    column: 11
  end_location:
-    row: 20
+    row: 21
    column: 12
  fix: ~

--- a/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG002_ARG.py.snap
+++ b/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG002_ARG.py.snap
@@ -5,28 +5,28 @@ expression: checks
 - kind:
    UnusedMethodArgument: x
  location:
-    row: 34
+    row: 35
    column: 16
  end_location:
-    row: 34
+    row: 35
    column: 17
  fix: ~
 - kind:
    UnusedMethodArgument: x
  location:
-    row: 37
+    row: 38
    column: 19
  end_location:
-    row: 37
+    row: 38
    column: 20
  fix: ~
 - kind:
    UnusedMethodArgument: x
  location:
-    row: 40
+    row: 41
    column: 15
  end_location:
-    row: 40
+    row: 41
    column: 16
  fix: ~

--- a/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG003_ARG.py.snap
+++ b/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG003_ARG.py.snap
@@ -5,10 +5,10 @@ expression: checks
 - kind:
    UnusedClassMethodArgument: x
  location:
-    row: 44
+    row: 45
    column: 15
  end_location:
-    row: 44
+    row: 45
    column: 16
  fix: ~

--- a/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG004_ARG.py.snap
+++ b/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG004_ARG.py.snap
@@ -5,28 +5,28 @@ expression: checks
 - kind:
    UnusedStaticMethodArgument: cls
  location:
-    row: 48
+    row: 49
    column: 10
  end_location:
-    row: 48
+    row: 49
    column: 13
  fix: ~
 - kind:
    UnusedStaticMethodArgument: x
  location:
-    row: 48
+    row: 49
    column: 15
  end_location:
-    row: 48
+    row: 49
    column: 16
  fix: ~
 - kind:
    UnusedStaticMethodArgument: x
  location:
-    row: 52
+    row: 53
    column: 10
  end_location:
-    row: 52
+    row: 53
    column: 11
  fix: ~

--- a/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG005_ARG.py.snap
+++ b/src/flake8_unused_arguments/snapshots/ruff__flake8_unused_argumentstestsARG005_ARG.py.snap
@@ -5,10 +5,10 @@ expression: checks
 - kind:
    UnusedLambdaArgument: x
  location:
-    row: 27
+    row: 28
    column: 7
  end_location:
-    row: 27
+    row: 28
    column: 8
  fix: ~

--- a/src/isort/format.rs
+++ b/src/isort/format.rs
@@ -41,6 +41,7 @@ pub fn format_import_from(
    line_length: usize,
    force_wrap_aliases: bool,
    is_first: bool,
+    trailing_comma: bool,
 ) -> String {
    if aliases.len() == 1
        && aliases
@@ -53,9 +54,10 @@ pub fn format_import_from(

    // We can only inline if: (1) none of the aliases have atop comments, and (3)
    // only the last alias (if any) has inline comments.
-    if aliases
-        .iter()
-        .all(|(_, CommentSet { atop, .. })| atop.is_empty())
+    if !trailing_comma
+        && aliases
+            .iter()
+            .all(|(_, CommentSet { atop, .. })| atop.is_empty())
        && aliases
            .iter()
            .rev()
--- a/src/isort/helpers.rs
+++ b/src/isort/helpers.rs
@@ -1,7 +1,37 @@
 use rustpython_ast::Stmt;
+use rustpython_parser::lexer;
+use rustpython_parser::lexer::Tok;

+use crate::ast::types::Range;
+use crate::isort::types::TrailingComma;
 use crate::source_code_locator::SourceCodeLocator;

+/// Return `true` if a `StmtKind::ImportFrom` statement ends with a magic
+/// trailing comma.
+pub fn trailing_comma(stmt: &Stmt, locator: &SourceCodeLocator) -> TrailingComma {
+    let contents = locator.slice_source_code_range(&Range::from_located(stmt));
+    let mut count: usize = 0;
+    let mut trailing_comma = TrailingComma::Absent;
+    for (_, tok, _) in lexer::make_tokenizer(&contents).flatten() {
+        if matches!(tok, Tok::Lpar) {
+            count += 1;
+        }
+        if matches!(tok, Tok::Rpar) {
+            count -= 1;
+        }
+        if count == 1 {
+            if matches!(tok, Tok::Newline | Tok::Indent | Tok::Dedent | Tok::Comment) {
+                continue;
+            } else if matches!(tok, Tok::Comma) {
+                trailing_comma = TrailingComma::Present;
+            } else {
+                trailing_comma = TrailingComma::Absent;
+            }
+        }
+    }
+    trailing_comma
+}
+
 /// Return `true` if a `Stmt` is preceded by a "comment break"
 pub fn has_comment_break(stmt: &Stmt, locator: &SourceCodeLocator) -> bool {
    // Starting from the `Stmt` (`def f(): pass`), we want to detect patterns like
--- a/src/isort/mod.rs
+++ b/src/isort/mod.rs
@@ -1,4 +1,4 @@
-use std::cmp::Reverse;
+use std::cmp::Ordering;
 use std::collections::{BTreeMap, BTreeSet};
 use std::path::{Path, PathBuf};

@@ -9,11 +9,14 @@ use rustpython_ast::{Stmt, StmtKind};

 use crate::isort::categorize::{categorize, ImportType};
 use crate::isort::comments::Comment;
-use crate::isort::sorting::{member_key, module_key};
+use crate::isort::helpers::trailing_comma;
+use crate::isort::sorting::{cmp_import_froms, cmp_members, cmp_modules};
 use crate::isort::track::{Block, Trailer};
 use crate::isort::types::{
    AliasData, CommentSet, ImportBlock, ImportFromData, Importable, OrderedImportBlock,
+    TrailingComma,
 };
+use crate::SourceCodeLocator;

 mod categorize;
 mod comments;
@@ -32,6 +35,7 @@ pub struct AnnotatedAliasData<'a> {
    pub atop: Vec<Comment<'a>>,
    pub inline: Vec<Comment<'a>>,
 }
+
 #[derive(Debug)]
 pub enum AnnotatedImport<'a> {
    Import {
@@ -45,12 +49,15 @@ pub enum AnnotatedImport<'a> {
        level: Option<&'a usize>,
        atop: Vec<Comment<'a>>,
        inline: Vec<Comment<'a>>,
+        trailing_comma: TrailingComma,
    },
 }

 fn annotate_imports<'a>(
    imports: &'a [&'a Stmt],
    comments: Vec<Comment<'a>>,
+    locator: &SourceCodeLocator,
+    split_on_trailing_comma: bool,
 ) -> Vec<AnnotatedImport<'a>> {
    let mut annotated = vec![];
    let mut comments_iter = comments.into_iter().peekable();
@@ -137,6 +144,11 @@ fn annotate_imports<'a>(
                    module: module.as_ref(),
                    names: aliases,
                    level: level.as_ref(),
+                    trailing_comma: if split_on_trailing_comma {
+                        trailing_comma(import, locator)
+                    } else {
+                        TrailingComma::default()
+                    },
                    atop,
                    inline,
                });
@@ -190,34 +202,27 @@ fn normalize_imports(imports: Vec<AnnotatedImport>, combine_as_imports: bool) ->
                level,
                atop,
                inline,
+                trailing_comma,
            } => {
-                // Associate the comments with the first alias (best effort).
+                let single_import = names.len() == 1;
+
+                // If we're dealing with a multi-import block (i.e., a non-star, non-aliased
+                // import), associate the comments with the first alias (best
+                // effort).
                if let Some(alias) = names.first() {
-                    if alias.name == "*" {
-                        let entry = block
+                    let entry = if alias.name == "*" {
+                        block
                            .import_from_star
                            .entry(ImportFromData { module, level })
-                            .or_default();
-                        for comment in atop {
-                            entry.atop.push(comment.value);
-                        }
-                        for comment in inline {
-                            entry.inline.push(comment.value);
-                        }
+                            .or_default()
                    } else if alias.asname.is_none() || combine_as_imports {
-                        let entry = &mut block
+                        &mut block
                            .import_from
                            .entry(ImportFromData { module, level })
                            .or_default()
-                            .0;
-                        for comment in atop {
-                            entry.atop.push(comment.value);
-                        }
-                        for comment in inline {
-                            entry.inline.push(comment.value);
-                        }
+                            .0
                    } else {
-                        let entry = block
+                        block
                            .import_from_as
                            .entry((
                                ImportFromData { module, level },
@@ -226,30 +231,19 @@ fn normalize_imports(imports: Vec<AnnotatedImport>, combine_as_imports: bool) ->
                                    asname: alias.asname,
                                },
                            ))
-                            .or_default();
-                        for comment in atop {
-                            entry.atop.push(comment.value);
-                        }
-                        for comment in inline {
-                            entry.inline.push(comment.value);
-                        }
-                    }
-                }
+                            .or_default()
+                    };

-                // Create an entry for every alias.
-                for alias in names {
-                    if alias.name == "*" {
-                        let entry = block
-                            .import_from_star
-                            .entry(ImportFromData { module, level })
-                            .or_default();
-                        for comment in alias.atop {
-                            entry.atop.push(comment.value);
-                        }
-                        for comment in alias.inline {
-                            entry.inline.push(comment.value);
-                        }
-                    } else if alias.asname.is_none() || combine_as_imports {
+                    for comment in atop {
+                        entry.atop.push(comment.value);
+                    }
+
+                    // Associate inline comments with first alias if multiple names have been
+                    // imported, i.e., the comment applies to all names; otherwise, associate
+                    // with the alias.
+                    if single_import
+                        && (alias.name != "*" && (alias.asname.is_none() || combine_as_imports))
+                    {
                        let entry = block
                            .import_from
                            .entry(ImportFromData { module, level })
@@ -260,14 +254,36 @@ fn normalize_imports(imports: Vec<AnnotatedImport>, combine_as_imports: bool) ->
                                asname: alias.asname,
                            })
                            .or_default();
-                        for comment in alias.atop {
-                            entry.atop.push(comment.value);
-                        }
-                        for comment in alias.inline {
+                        for comment in inline {
                            entry.inline.push(comment.value);
                        }
                    } else {
-                        let entry = block
+                        for comment in inline {
+                            entry.inline.push(comment.value);
+                        }
+                    }
+                }
+
+                // Create an entry for every alias.
+                for alias in names {
+                    let entry = if alias.name == "*" {
+                        block
+                            .import_from_star
+                            .entry(ImportFromData { module, level })
+                            .or_default()
+                    } else if alias.asname.is_none() || combine_as_imports {
+                        block
+                            .import_from
+                            .entry(ImportFromData { module, level })
+                            .or_default()
+                            .1
+                            .entry(AliasData {
+                                name: alias.name,
+                                asname: alias.asname,
+                            })
+                            .or_default()
+                    } else {
+                        block
                            .import_from_as
                            .entry((
                                ImportFromData { module, level },
@@ -276,13 +292,23 @@ fn normalize_imports(imports: Vec<AnnotatedImport>, combine_as_imports: bool) ->
                                    asname: alias.asname,
                                },
                            ))
-                            .or_default();
-                        entry
-                            .atop
-                            .extend(alias.atop.into_iter().map(|comment| comment.value));
-                        for comment in alias.inline {
-                            entry.inline.push(comment.value);
-                        }
+                            .or_default()
+                    };
+
+                    for comment in alias.atop {
+                        entry.atop.push(comment.value);
+                    }
+                    for comment in alias.inline {
+                        entry.inline.push(comment.value);
+                    }
+                }
+
+                // Propagate trailing commas.
+                if matches!(trailing_comma, TrailingComma::Present) {
+                    if let Some(entry) =
+                        block.import_from.get_mut(&ImportFromData { module, level })
+                    {
+                        entry.2 = trailing_comma;
                    }
                }
            }
@@ -379,7 +405,7 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
        block
            .import
            .into_iter()
-            .sorted_by_cached_key(|(alias, _)| module_key(alias.name, alias.asname)),
+            .sorted_by(|(alias1, _), (alias2, _)| cmp_modules(alias1, alias2)),
    );

    // Sort `StmtKind::ImportFrom`.
@@ -408,6 +434,7 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
                                        inline: comments.inline,
                                    },
                                )]),
+                                TrailingComma::Absent,
                            ),
                        )
                    }),
@@ -435,37 +462,36 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
                                        inline: comments.inline,
                                    },
                                )]),
+                                TrailingComma::Absent,
                            ),
                        )
                    }),
            )
-            .map(|(import_from, (comments, aliases))| {
+            .map(|(import_from, (comments, aliases, locations))| {
                // Within each `StmtKind::ImportFrom`, sort the members.
                (
                    import_from,
                    comments,
+                    locations,
                    aliases
                        .into_iter()
-                        .sorted_by_cached_key(|(alias, _)| member_key(alias.name, alias.asname))
+                        .sorted_by(|(alias1, _), (alias2, _)| cmp_members(alias1, alias2))
                        .collect::<Vec<(AliasData, CommentSet)>>(),
                )
            })
-            .sorted_by_cached_key(|(import_from, _, aliases)| {
-                // Sort each `StmtKind::ImportFrom` by module key, breaking ties based on
-                // members.
-                (
-                    Reverse(import_from.level),
-                    import_from
-                        .module
-                        .as_ref()
-                        .map(|module| module_key(module, None)),
-                    aliases
-                        .first()
-                        .map(|(alias, _)| member_key(alias.name, alias.asname)),
-                )
-            }),
+            .sorted_by(
+                |(import_from1, _, _, aliases1), (import_from2, _, _, aliases2)| {
+                    cmp_import_froms(import_from1, import_from2).then_with(|| {
+                        match (aliases1.first(), aliases2.first()) {
+                            (None, None) => Ordering::Equal,
+                            (None, Some(_)) => Ordering::Less,
+                            (Some(_), None) => Ordering::Greater,
+                            (Some((alias1, _)), Some((alias2, _))) => cmp_members(alias1, alias2),
+                        }
+                    })
+                },
+            ),
    );
-
    ordered
 }

@@ -473,6 +499,7 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
 pub fn format_imports(
    block: &Block,
    comments: Vec<Comment>,
+    locator: &SourceCodeLocator,
    line_length: usize,
    src: &[PathBuf],
    package: Option<&Path>,
@@ -481,9 +508,10 @@ pub fn format_imports(
    extra_standard_library: &BTreeSet<String>,
    combine_as_imports: bool,
    force_wrap_aliases: bool,
+    split_on_trailing_comma: bool,
 ) -> String {
    let trailer = &block.trailer;
-    let block = annotate_imports(&block.imports, comments);
+    let block = annotate_imports(&block.imports, comments, locator, split_on_trailing_comma);

    // Normalize imports (i.e., deduplicate, aggregate `from` imports).
    let block = normalize_imports(block, combine_as_imports);
@@ -521,7 +549,7 @@ pub fn format_imports(
        }

        // Format `StmtKind::ImportFrom` statements.
-        for (import_from, comments, aliases) in &import_block.import_from {
+        for (import_from, comments, trailing_comma, aliases) in &import_block.import_from {
            output.append(&format::format_import_from(
                import_from,
                comments,
@@ -529,6 +557,7 @@ pub fn format_imports(
                line_length,
                force_wrap_aliases,
                is_first_statement,
+                split_on_trailing_comma && matches!(trailing_comma, TrailingComma::Present),
            ));
            is_first_statement = false;
        }
@@ -569,6 +598,7 @@ mod tests {
    #[test_case(Path::new("insert_empty_lines.py"))]
    #[test_case(Path::new("insert_empty_lines.pyi"))]
    #[test_case(Path::new("leading_prefix.py"))]
+    #[test_case(Path::new("natural_order.py"))]
    #[test_case(Path::new("no_reorder_within_section.py"))]
    #[test_case(Path::new("no_wrap_star.py"))]
    #[test_case(Path::new("order_by_type.py"))]
@@ -587,6 +617,7 @@ mod tests {
    #[test_case(Path::new("split.py"))]
    #[test_case(Path::new("trailing_suffix.py"))]
    #[test_case(Path::new("type_comments.py"))]
+    #[test_case(Path::new("magic_trailing_comma.py"))]
    fn default(path: &Path) -> Result<()> {
        let snapshot = format!("{}", path.to_string_lossy());
        let mut checks = test_path(
@@ -645,4 +676,25 @@ mod tests {
        insta::assert_yaml_snapshot!(snapshot, checks);
        Ok(())
    }
+
+    #[test_case(Path::new("magic_trailing_comma.py"))]
+    fn no_split_on_trailing_comma(path: &Path) -> Result<()> {
+        let snapshot = format!("split_on_trailing_comma_{}", path.to_string_lossy());
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/isort")
+                .join(path)
+                .as_path(),
+            &Settings {
+                isort: isort::settings::Settings {
+                    split_on_trailing_comma: false,
+                    ..isort::settings::Settings::default()
+                },
+                src: vec![Path::new("resources/test/fixtures/isort").to_path_buf()],
+                ..Settings::for_rule(CheckCode::I001)
+            },
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
 }
--- a/src/isort/plugins.rs
+++ b/src/isort/plugins.rs
@@ -72,6 +72,7 @@ pub fn check_imports(
    let expected = format_imports(
        block,
        comments,
+        locator,
        settings.line_length - indentation.len(),
        &settings.src,
        package,
@@ -80,6 +81,7 @@ pub fn check_imports(
        &settings.isort.extra_standard_library,
        settings.isort.combine_as_imports,
        settings.isort.force_wrap_aliases,
+        settings.isort.split_on_trailing_comma,
    );

    // Expand the span the entire range, including leading and trailing space.
--- a/src/isort/settings.rs
+++ b/src/isort/settings.rs
@@ -3,40 +3,19 @@
 use std::collections::BTreeSet;

 use ruff_macros::ConfigurationOptions;
+use schemars::JsonSchema;
 use serde::{Deserialize, Serialize};

-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
-#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+#[derive(
+    Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions, JsonSchema,
+)]
+#[serde(
+    deny_unknown_fields,
+    rename_all = "kebab-case",
+    rename = "IsortOptions"
+)]
 pub struct Options {
    #[option(
-        doc = r#"
-            Combines as imports on the same line. See isort's [`combine-as-imports`](https://pycqa.github.io/isort/docs/configuration/options.html#combine-as-imports)
-            option.
-        "#,
-        default = r#"false"#,
-        value_type = "bool",
-        example = r#"
-            combine-as-imports = true
-        "#
-    )]
-    pub combine_as_imports: Option<bool>,
-    #[option(
-        doc = r#"
-            Force `import from` statements with multiple members and at least one alias (e.g.,
-            `import A as B`) to wrap such that every line contains exactly one member. For example,
-            this formatting would be retained, rather than condensing to a single line:
-
-            ```py
-            from .utils import (
-                test_directory as test_directory,
-                test_id as test_id
-            )
-            ```
-
-            Note that this setting is only effective when combined with `combine-as-imports = true`.
-            When `combine-as-imports` isn't enabled, every aliased `import from` will be given its
-            own line, in which case, wrapping is not necessary.
-        "#,
        default = r#"false"#,
        value_type = "bool",
        example = r#"
@@ -44,49 +23,82 @@ pub struct Options {
            combine-as-imports = true
        "#
    )]
+    /// Force `import from` statements with multiple members and at least one
+    /// alias (e.g., `import A as B`) to wrap such that every line contains
+    /// exactly one member. For example, this formatting would be retained,
+    /// rather than condensing to a single line:
+    ///
+    /// ```py
+    /// from .utils import (
+    ///     test_directory as test_directory,
+    ///     test_id as test_id
+    /// )
+    /// ```
+    ///
+    /// Note that this setting is only effective when combined with
+    /// `combine-as-imports = true`. When `combine-as-imports` isn't
+    /// enabled, every aliased `import from` will be given its own line, in
+    /// which case, wrapping is not necessary.
    pub force_wrap_aliases: Option<bool>,
    #[option(
-        doc = r#"
-            A list of modules to consider first-party, regardless of whether they can be identified
-            as such via introspection of the local filesystem.
-        "#,
+        default = r#"false"#,
+        value_type = "bool",
+        example = r#"
+            combine-as-imports = true
+        "#
+    )]
+    /// Combines as imports on the same line. See isort's [`combine-as-imports`](https://pycqa.github.io/isort/docs/configuration/options.html#combine-as-imports)
+    /// option.
+    pub combine_as_imports: Option<bool>,
+    #[option(
+        default = r#"true"#,
+        value_type = "bool",
+        example = r#"
+            split-on-trailing-comma = false
+        "#
+    )]
+    /// If a comma is placed after the last member in a multi-line import, then
+    /// the imports will never be folded into one line.
+    ///
+    /// See isort's [`split-on-trailing-comma`](https://pycqa.github.io/isort/docs/configuration/options.html#split-on-trailing-comma) option.
+    pub split_on_trailing_comma: Option<bool>,
+    #[option(
        default = r#"[]"#,
        value_type = "Vec<String>",
        example = r#"
            known-first-party = ["src"]
        "#
    )]
+    /// A list of modules to consider first-party, regardless of whether they
+    /// can be identified as such via introspection of the local filesystem.
    pub known_first_party: Option<Vec<String>>,
    #[option(
-        doc = r#"
-            A list of modules to consider third-party, regardless of whether they can be identified
-            as such via introspection of the local filesystem.
-        "#,
        default = r#"[]"#,
        value_type = "Vec<String>",
        example = r#"
            known-third-party = ["src"]
        "#
    )]
+    /// A list of modules to consider third-party, regardless of whether they
+    /// can be identified as such via introspection of the local filesystem.
    pub known_third_party: Option<Vec<String>>,
    #[option(
-        doc = r#"
-            A list of modules to consider standard-library, in addition to those known to Ruff in
-            advance.
-        "#,
        default = r#"[]"#,
        value_type = "Vec<String>",
        example = r#"
            extra-standard-library = ["path"]
        "#
    )]
+    /// A list of modules to consider standard-library, in addition to those
+    /// known to Ruff in advance.
    pub extra_standard_library: Option<Vec<String>>,
 }

-#[derive(Debug, Hash, Default)]
+#[derive(Debug, Hash)]
 pub struct Settings {
    pub combine_as_imports: bool,
    pub force_wrap_aliases: bool,
+    pub split_on_trailing_comma: bool,
    pub known_first_party: BTreeSet<String>,
    pub known_third_party: BTreeSet<String>,
    pub extra_standard_library: BTreeSet<String>,
@@ -95,8 +107,9 @@ pub struct Settings {
 impl Settings {
    pub fn from_options(options: Options) -> Self {
        Self {
-            combine_as_imports: options.combine_as_imports.unwrap_or_default(),
-            force_wrap_aliases: options.force_wrap_aliases.unwrap_or_default(),
+            combine_as_imports: options.combine_as_imports.unwrap_or(false),
+            force_wrap_aliases: options.force_wrap_aliases.unwrap_or(false),
+            split_on_trailing_comma: options.split_on_trailing_comma.unwrap_or(true),
            known_first_party: BTreeSet::from_iter(options.known_first_party.unwrap_or_default()),
            known_third_party: BTreeSet::from_iter(options.known_third_party.unwrap_or_default()),
            extra_standard_library: BTreeSet::from_iter(
@@ -105,3 +118,16 @@ impl Settings {
        }
    }
 }
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            combine_as_imports: false,
+            force_wrap_aliases: false,
+            split_on_trailing_comma: true,
+            known_first_party: BTreeSet::new(),
+            known_third_party: BTreeSet::new(),
+            extra_standard_library: BTreeSet::new(),
+        }
+    }
+}
--- a/src/isort/snapshots/ruffisorttests__comments.py.snap
+++ b/src/isort/snapshots/ruffisorttests__comments.py.snap
@@ -7,14 +7,14 @@ expression: checks
    row: 3
    column: 0
  end_location:
-    row: 26
+    row: 29
    column: 0
  fix:
-    content: "import B  # Comment 4\n\n# Comment 3a\n# Comment 3b\nimport C\nimport D\n\n# Comment 5\n# Comment 6\nfrom A import (\n    a,  # Comment 7  # Comment 9\n    b,  # Comment 10\n    c,  # Comment 8  # Comment 11\n)\n"
+    content: "import B  # Comment 4\n\n# Comment 3a\n# Comment 3b\nimport C\nimport D\n\n# Comment 5\n# Comment 6\nfrom A import (\n    a,  # Comment 7  # Comment 9\n    b,  # Comment 10\n    c,  # Comment 8  # Comment 11\n)\nfrom D import (\n    a_long_name_to_force_multiple_lines,  # Comment 12\n    another_long_name_to_force_multiple_lines,  # Comment 13\n)\n"
    location:
      row: 3
      column: 0
    end_location:
-      row: 26
+      row: 29
      column: 0

--- a/src/isort/snapshots/ruffisorttests__fit_line_length_comment.py.snap
+++ b/src/isort/snapshots/ruffisorttests__fit_line_length_comment.py.snap
@@ -10,7 +10,7 @@ expression: checks
    row: 5
    column: 0
  fix:
-    content: "import a\n\n# Don't take this comment into account when determining whether the next import can fit on one line.\nfrom b import c\nfrom d import (  # Do take this comment into account when determining whether the next import can fit on one line.\n    e,\n)\n"
+    content: "import a\n\n# Don't take this comment into account when determining whether the next import can fit on one line.\nfrom b import c\nfrom d import (\n    e,  # Do take this comment into account when determining whether the next import can fit on one line.\n)\n"
    location:
      row: 1
      column: 0
--- a/src/isort/snapshots/ruffisorttests__magic_trailing_comma.py.snap
+++ b/src/isort/snapshots/ruffisorttests__magic_trailing_comma.py.snap
@@ -0,0 +1,20 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 39
+    column: 0
+  fix:
+    content: "from glob import (\n    escape,  # Ends with a comment, should still treat as magic trailing comma.\n    glob,\n    iglob,\n)\n\n# No magic comma, this will be rolled into one line.\nfrom os import environ, execl, execv, path\nfrom sys import (\n    argv,\n    exit,\n    stderr,\n    stdout,\n)\n\n# These will be combined, but without a trailing comma.\nfrom foo import bar, baz\n\n# These will be combined, _with_ a trailing comma.\nfrom module1 import (\n    member1,\n    member2,\n    member3,\n)\n\n# These will be combined, _with_ a trailing comma.\nfrom module2 import (\n    member1,\n    member2,\n    member3,\n)\n"
+    location:
+      row: 2
+      column: 0
+    end_location:
+      row: 39
+      column: 0
+
--- a/src/isort/snapshots/ruffisorttests__natural_order.py.snap
+++ b/src/isort/snapshots/ruffisorttests__natural_order.py.snap
@@ -0,0 +1,20 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 17
+    column: 0
+  fix:
+    content: "import numpy1\nimport numpy2\nimport numpy10\nfrom numpy import (\n    cos,\n    int8,\n    int16,\n    int32,\n    int64,\n    sin,\n    tan,\n    uint8,\n    uint16,\n    uint32,\n    uint64,\n)\n"
+    location:
+      row: 1
+      column: 0
+    end_location:
+      row: 17
+      column: 0
+
--- a/src/isort/snapshots/ruffisorttests__split_on_trailing_comma_magic_trailing_comma.py.snap
+++ b/src/isort/snapshots/ruffisorttests__split_on_trailing_comma_magic_trailing_comma.py.snap
@@ -0,0 +1,20 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 39
+    column: 0
+  fix:
+    content: "from glob import (\n    escape,  # Ends with a comment, should still treat as magic trailing comma.\n    glob,\n    iglob,\n)\n\n# No magic comma, this will be rolled into one line.\nfrom os import environ, execl, execv, path\nfrom sys import argv, exit, stderr, stdout\n\n# These will be combined, but without a trailing comma.\nfrom foo import bar, baz\n\n# These will be combined, _with_ a trailing comma.\nfrom module1 import member1, member2, member3\n\n# These will be combined, _with_ a trailing comma.\nfrom module2 import member1, member2, member3\n"
+    location:
+      row: 2
+      column: 0
+    end_location:
+      row: 39
+      column: 0
+
--- a/src/isort/sorting.rs
+++ b/src/isort/sorting.rs
@@ -1,4 +1,7 @@
 /// See: <https://github.com/PyCQA/isort/blob/12cc5fbd67eebf92eb2213b03c07b138ae1fb448/isort/sorting.py#L13>
+use std::cmp::Ordering;
+
+use crate::isort::types::{AliasData, ImportFromData};
 use crate::python::string;

 #[derive(PartialOrd, Ord, PartialEq, Eq)]
@@ -8,29 +11,57 @@ pub enum Prefix {
    Variables,
 }

-pub fn module_key<'a>(
-    name: &'a str,
-    asname: Option<&'a String>,
-) -> (String, &'a str, Option<&'a String>) {
-    (name.to_lowercase(), name, asname)
+fn prefix(name: &str) -> Prefix {
+    if name.len() > 1 && string::is_upper(name) {
+        // Ex) `CONSTANT`
+        Prefix::Constants
+    } else if name.chars().next().map_or(false, char::is_uppercase) {
+        // Ex) `Class`
+        Prefix::Classes
+    } else {
+        // Ex) `variable`
+        Prefix::Variables
+    }
 }

-pub fn member_key<'a>(
-    name: &'a str,
-    asname: Option<&'a String>,
-) -> (Prefix, String, Option<&'a String>) {
-    (
-        if name.len() > 1 && string::is_upper(name) {
-            // Ex) `CONSTANT`
-            Prefix::Constants
-        } else if name.chars().next().map_or(false, char::is_uppercase) {
-            // Ex) `Class`
-            Prefix::Classes
-        } else {
-            // Ex) `variable`
-            Prefix::Variables
-        },
-        name.to_lowercase(),
-        asname,
-    )
+/// Compare two top-level modules.
+pub fn cmp_modules(alias1: &AliasData, alias2: &AliasData) -> Ordering {
+    natord::compare_ignore_case(alias1.name, alias2.name)
+        .then_with(|| natord::compare(alias1.name, alias2.name))
+        .then_with(|| match (alias1.asname, alias2.asname) {
+            (None, None) => Ordering::Equal,
+            (None, Some(_)) => Ordering::Less,
+            (Some(_), None) => Ordering::Greater,
+            (Some(asname1), Some(asname2)) => natord::compare(asname1, asname2),
+        })
+}
+
+/// Compare two member imports within `StmtKind::ImportFrom` blocks.
+pub fn cmp_members(alias1: &AliasData, alias2: &AliasData) -> Ordering {
+    prefix(alias1.name)
+        .cmp(&prefix(alias2.name))
+        .then_with(|| cmp_modules(alias1, alias2))
+}
+
+/// Compare two relative import levels.
+pub fn cmp_levels(level1: Option<&usize>, level2: Option<&usize>) -> Ordering {
+    match (level1, level2) {
+        (None, None) => Ordering::Equal,
+        (None, Some(_)) => Ordering::Less,
+        (Some(_), None) => Ordering::Greater,
+        (Some(level1), Some(level2)) => level2.cmp(level1),
+    }
+}
+
+/// Compare two `StmtKind::ImportFrom` blocks.
+pub fn cmp_import_froms(import_from1: &ImportFromData, import_from2: &ImportFromData) -> Ordering {
+    cmp_levels(import_from1.level, import_from2.level).then_with(|| {
+        match (&import_from1.module, import_from2.module) {
+            (None, None) => Ordering::Equal,
+            (None, Some(_)) => Ordering::Less,
+            (Some(_), None) => Ordering::Greater,
+            (Some(module1), Some(module2)) => natord::compare_ignore_case(module1, module2)
+                .then_with(|| natord::compare(module1, module2)),
+        }
+    })
 }
--- a/src/isort/types.rs
+++ b/src/isort/types.rs
@@ -4,6 +4,18 @@ use rustc_hash::FxHashMap;

 use crate::ast;

+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub enum TrailingComma {
+    Present,
+    Absent,
+}
+
+impl Default for TrailingComma {
+    fn default() -> Self {
+        TrailingComma::Absent
+    }
+}
+
 #[derive(Debug, Hash, Ord, PartialOrd, Eq, PartialEq)]
 pub struct ImportFromData<'a> {
    pub module: Option<&'a String>,
@@ -54,8 +66,14 @@ pub struct ImportBlock<'a> {
    pub import: FxHashMap<AliasData<'a>, CommentSet<'a>>,
    // Map from (module, level) to `AliasData`, used to track 'from' imports.
    // Ex) `from module import member`
-    pub import_from:
-        FxHashMap<ImportFromData<'a>, (CommentSet<'a>, FxHashMap<AliasData<'a>, CommentSet<'a>>)>,
+    pub import_from: FxHashMap<
+        ImportFromData<'a>,
+        (
+            CommentSet<'a>,
+            FxHashMap<AliasData<'a>, CommentSet<'a>>,
+            TrailingComma,
+        ),
+    >,
    // Set of (module, level, name, asname), used to track re-exported 'from' imports.
    // Ex) `from module import member as member`
    pub import_from_as: FxHashMap<(ImportFromData<'a>, AliasData<'a>), CommentSet<'a>>,
@@ -72,6 +90,7 @@ pub struct OrderedImportBlock<'a> {
    pub import_from: Vec<(
        ImportFromData<'a>,
        CommentSet<'a>,
+        TrailingComma,
        Vec<AliasDataWithComments<'a>>,
    )>,
 }
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,19 +11,10 @@
    clippy::too_many_lines
 )]

-use std::path::Path;
-
-use anyhow::Result;
-use path_absolutize::path_dedot;
-use rustpython_helpers::tokenize;
-use rustpython_parser::lexer::LexResult;
-use settings::{pyproject, Settings};
+use cfg_if::cfg_if;

 use crate::checks::Check;
-use crate::linter::check_path;
-use crate::resolver::Relativity;
-use crate::settings::configuration::Configuration;
-use crate::settings::flags;
+use crate::settings::Settings;
 use crate::source_code_locator::SourceCodeLocator;

 mod ast;
@@ -34,7 +25,6 @@ pub mod checks;
 pub mod checks_gen;
 pub mod cli;
 pub mod code_gen;
-pub mod commands;
 mod cst;
 mod directives;
 mod docstrings;
@@ -66,7 +56,6 @@ pub mod logging;
 pub mod mccabe;
 pub mod message;
 mod noqa;
-mod packages;
 mod pandas_vet;
 pub mod pep8_naming;
 pub mod printer;
@@ -82,55 +71,20 @@ mod ruff;
 mod rustpython_helpers;
 pub mod settings;
 pub mod source_code_locator;
-#[cfg(feature = "update-informer")]
-pub mod updates;
 mod vendored;
 pub mod visibility;

-/// Load the relevant `Settings` for a given `Path`.
-fn resolve(path: &Path) -> Result<Settings> {
-    if let Some(pyproject) = pyproject::find_pyproject_toml(path)? {
-        // First priority: `pyproject.toml` in the current `Path`.
-        resolver::resolve_settings(&pyproject, &Relativity::Parent, None)
-    } else if let Some(pyproject) = pyproject::find_user_pyproject_toml() {
-        // Second priority: user-specific `pyproject.toml`.
-        resolver::resolve_settings(&pyproject, &Relativity::Cwd, None)
+cfg_if! {
+    if #[cfg(not(target_family = "wasm"))] {
+        pub mod commands;
+        mod packages;
+        #[cfg(all(feature = "update-informer"))]
+        pub mod updates;
+
+        mod lib_native;
+        pub use lib_native::check;
    } else {
-        // Fallback: default settings.
-        Settings::from_configuration(Configuration::default(), &path_dedot::CWD)
+        mod lib_wasm;
+        pub use lib_wasm::check;
    }
 }
-
-/// Run Ruff over Python source code directly.
-pub fn check(path: &Path, contents: &str, autofix: bool) -> Result<Vec<Check>> {
-    // Load the relevant `Settings` for the given `Path`.
-    let settings = resolve(path)?;
-
-    // Tokenize once.
-    let tokens: Vec<LexResult> = tokenize(contents);
-
-    // Initialize the SourceCodeLocator (which computes offsets lazily).
-    let locator = SourceCodeLocator::new(contents);
-
-    // Extract the `# noqa` and `# isort: skip` directives from the source.
-    let directives = directives::extract_directives(
-        &tokens,
-        &locator,
-        directives::Flags::from_settings(&settings),
-    );
-
-    // Generate checks.
-    let checks = check_path(
-        path,
-        packages::detect_package_root(path),
-        contents,
-        tokens,
-        &locator,
-        &directives,
-        &settings,
-        autofix.into(),
-        flags::Noqa::Enabled,
-    )?;
-
-    Ok(checks)
-}
--- a/src/lib_native.rs
+++ b/src/lib_native.rs
@@ -0,0 +1,65 @@
+use std::path::Path;
+
+use anyhow::Result;
+use path_absolutize::path_dedot;
+use rustpython_parser::lexer::LexResult;
+
+use crate::checks::Check;
+use crate::linter::check_path;
+use crate::resolver::Relativity;
+use crate::rustpython_helpers::tokenize;
+use crate::settings::configuration::Configuration;
+use crate::settings::{flags, pyproject, Settings};
+use crate::source_code_locator::SourceCodeLocator;
+use crate::{directives, packages, resolver};
+
+/// Load the relevant `Settings` for a given `Path`.
+fn resolve(path: &Path) -> Result<Settings> {
+    if let Some(pyproject) = pyproject::find_settings_toml(path)? {
+        // First priority: `pyproject.toml` in the current `Path`.
+        resolver::resolve_settings(&pyproject, &Relativity::Parent, None)
+    } else if let Some(pyproject) = pyproject::find_user_settings_toml() {
+        // Second priority: user-specific `pyproject.toml`.
+        resolver::resolve_settings(&pyproject, &Relativity::Cwd, None)
+    } else {
+        // Fallback: default settings.
+        Settings::from_configuration(Configuration::default(), &path_dedot::CWD)
+    }
+}
+
+/// Run Ruff over Python source code directly.
+pub fn check(path: &Path, contents: &str, autofix: bool) -> Result<Vec<Check>> {
+    // Load the relevant `Settings` for the given `Path`.
+    let settings = resolve(path)?;
+
+    // Validate the `Settings` and return any errors.
+    settings.validate()?;
+
+    // Tokenize once.
+    let tokens: Vec<LexResult> = tokenize(contents);
+
+    // Initialize the SourceCodeLocator (which computes offsets lazily).
+    let locator = SourceCodeLocator::new(contents);
+
+    // Extract the `# noqa` and `# isort: skip` directives from the source.
+    let directives = directives::extract_directives(
+        &tokens,
+        &locator,
+        directives::Flags::from_settings(&settings),
+    );
+
+    // Generate checks.
+    let checks = check_path(
+        path,
+        packages::detect_package_root(path),
+        contents,
+        tokens,
+        &locator,
+        &directives,
+        &settings,
+        autofix.into(),
+        flags::Noqa::Enabled,
+    )?;
+
+    Ok(checks)
+}
--- a/src/lib_wasm.rs
+++ b/src/lib_wasm.rs
@@ -0,0 +1,156 @@
+use std::path::Path;
+
+use rustpython_ast::Location;
+use rustpython_parser::lexer::LexResult;
+use serde::{Deserialize, Serialize};
+use wasm_bindgen::prelude::*;
+
+use crate::autofix::Fix;
+use crate::checks::CheckCode;
+use crate::directives;
+use crate::linter::check_path;
+use crate::rustpython_helpers::tokenize;
+use crate::settings::configuration::Configuration;
+use crate::settings::options::Options;
+use crate::settings::{flags, Settings};
+use crate::source_code_locator::SourceCodeLocator;
+
+#[wasm_bindgen(typescript_custom_section)]
+const TYPES: &'static str = r#"
+export interface Check {
+    code: string;
+    message: string;
+    location: {
+        row: number;
+        column: number;
+    };
+    end_location: {
+        row: number;
+        column: number;
+    };
+    fix: {
+        content: string;
+        location: {
+            row: number;
+            column: number;
+        };
+        end_location: {
+            row: number;
+            column: number;
+        };
+    } | null;
+};
+"#;
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
+struct Message {
+    code: CheckCode,
+    message: String,
+    location: Location,
+    end_location: Location,
+    fix: Option<Fix>,
+}
+
+#[wasm_bindgen(start)]
+pub fn run() {
+    use log::Level;
+    console_error_panic_hook::set_once();
+    console_log::init_with_level(Level::Debug).expect("Initializing logger went wrong.");
+}
+
+#[wasm_bindgen]
+pub fn check(contents: &str, options: JsValue) -> Result<JsValue, JsValue> {
+    let options: Options = serde_wasm_bindgen::from_value(options).map_err(|e| e.to_string())?;
+    let configuration =
+        Configuration::from_options(options, Path::new(".")).map_err(|e| e.to_string())?;
+    let settings =
+        Settings::from_configuration(configuration, Path::new(".")).map_err(|e| e.to_string())?;
+
+    // Tokenize once.
+    let tokens: Vec<LexResult> = tokenize(contents);
+
+    // Initialize the SourceCodeLocator (which computes offsets lazily).
+    let locator = SourceCodeLocator::new(contents);
+
+    // Extract the `# noqa` and `# isort: skip` directives from the source.
+    let directives = directives::extract_directives(&tokens, &locator, directives::Flags::empty());
+
+    // Generate checks.
+    let checks = check_path(
+        Path::new("<filename>"),
+        None,
+        contents,
+        tokens,
+        &locator,
+        &directives,
+        &settings,
+        flags::Autofix::Enabled,
+        flags::Noqa::Enabled,
+    )
+    .map_err(|e| e.to_string())?;
+
+    let messages: Vec<Message> = checks
+        .into_iter()
+        .map(|check| Message {
+            code: check.kind.code().clone(),
+            message: check.kind.body(),
+            location: check.location,
+            end_location: check.end_location,
+            fix: check.fix,
+        })
+        .collect();
+
+    Ok(serde_wasm_bindgen::to_value(&messages)?)
+}
+
+#[cfg(test)]
+mod test {
+    use js_sys;
+    use wasm_bindgen_test::*;
+
+    use super::*;
+
+    macro_rules! check {
+        ($source:expr, $config:expr, $expected:expr) => {{
+            let foo = js_sys::JSON::parse($config).unwrap();
+            match check($source, foo) {
+                Ok(output) => {
+                    let result: Vec<Message> = serde_wasm_bindgen::from_value(output).unwrap();
+                    assert_eq!(result, $expected);
+                }
+                Err(e) => assert!(false, "{:#?}", e),
+            }
+        }};
+    }
+
+    #[wasm_bindgen_test]
+    fn empty_config() {
+        check!(
+            "if (1, 2): pass",
+            r#"{}"#,
+            [Message {
+                code: CheckCode::F634,
+                message: "If test is a tuple, which is always `True`".to_string(),
+                location: Location::new(1, 0),
+                end_location: Location::new(1, 15),
+                fix: None,
+            }]
+        );
+    }
+
+    #[wasm_bindgen_test]
+    fn partial_config() {
+        check!("if (1, 2): pass", r#"{"ignore": ["F"]}"#, []);
+    }
+
+    #[wasm_bindgen_test]
+    fn partial_nested_config() {
+        let config = r#"{
+          "select": ["Q"],
+          "flake8-quotes": {
+            "inline-quotes": "single"
+          }
+        }"#;
+        check!(r#"print('hello world')"#, config, []);
+    }
+}
--- a/src/linter.rs
+++ b/src/linter.rs
@@ -5,7 +5,6 @@ use std::ops::AddAssign;
 use std::path::Path;

 use anyhow::Result;
-#[cfg(not(target_family = "wasm"))]
 use log::debug;
 use rustpython_parser::lexer::LexResult;

@@ -59,6 +58,9 @@ pub(crate) fn check_path(
    autofix: flags::Autofix,
    noqa: flags::Noqa,
 ) -> Result<Vec<Check>> {
+    // Validate the `Settings` and return any errors.
+    settings.validate()?;
+
    // Aggregate all checks.
    let mut checks: Vec<Check> = vec![];

@@ -175,6 +177,9 @@ pub fn lint_path(
    cache: flags::Cache,
    autofix: fixer::Mode,
 ) -> Result<Diagnostics> {
+    // Validate the `Settings` and return any errors.
+    settings.validate()?;
+
    let metadata = path.metadata()?;

    // Check the cache.
@@ -202,6 +207,9 @@ pub fn lint_path(

 /// Add any missing `#noqa` pragmas to the source code at the given `Path`.
 pub fn add_noqa_to_path(path: &Path, settings: &Settings) -> Result<usize> {
+    // Validate the `Settings` and return any errors.
+    settings.validate()?;
+
    // Read the file from disk.
    let contents = fs::read_file(path)?;

@@ -241,7 +249,10 @@ pub fn add_noqa_to_path(path: &Path, settings: &Settings) -> Result<usize> {
 }

 /// Apply autoformatting to the source code at the given `Path`.
-pub fn autoformat_path(path: &Path, _settings: &Settings) -> Result<()> {
+pub fn autoformat_path(path: &Path, settings: &Settings) -> Result<()> {
+    // Validate the `Settings` and return any errors.
+    settings.validate()?;
+
    // Read the file from disk.
    let contents = fs::read_file(path)?;

@@ -266,6 +277,9 @@ pub fn lint_stdin(
    settings: &Settings,
    autofix: fixer::Mode,
 ) -> Result<Diagnostics> {
+    // Validate the `Settings` and return any errors.
+    settings.validate()?;
+
    // Read the file from disk.
    let contents = stdin.to_string();

--- a/src/main.rs
+++ b/src/main.rs
@@ -11,256 +11,23 @@
    clippy::too_many_lines
 )]

-use std::io::{self};
-use std::path::{Path, PathBuf};
 use std::process::ExitCode;
-use std::sync::mpsc::channel;

-use ::ruff::autofix::fixer;
-use ::ruff::cli::{extract_log_level, Cli, Overrides};
-use ::ruff::logging::{set_up_logging, LogLevel};
-use ::ruff::printer::Printer;
-use ::ruff::resolver::{resolve_settings, FileDiscovery, PyprojectDiscovery, Relativity};
-use ::ruff::settings::configuration::Configuration;
-use ::ruff::settings::types::SerializationFormat;
-use ::ruff::settings::{pyproject, Settings};
-#[cfg(feature = "update-informer")]
-use ::ruff::updates;
-use ::ruff::{cache, commands};
-use anyhow::Result;
-use clap::{CommandFactory, Parser};
+use cfg_if::cfg_if;
 use colored::Colorize;
-use notify::{recommended_watcher, RecursiveMode, Watcher};
-use path_absolutize::path_dedot;

-/// Resolve the relevant settings strategy and defaults for the current
-/// invocation.
-fn resolve(
-    config: Option<&Path>,
-    overrides: &Overrides,
-    stdin_filename: Option<&Path>,
-) -> Result<PyprojectDiscovery> {
-    if let Some(pyproject) = config {
-        // First priority: the user specified a `pyproject.toml` file. Use that
-        // `pyproject.toml` for _all_ configuration, and resolve paths relative to the
-        // current working directory. (This matches ESLint's behavior.)
-        let settings = resolve_settings(pyproject, &Relativity::Cwd, Some(overrides))?;
-        Ok(PyprojectDiscovery::Fixed(settings))
-    } else if let Some(pyproject) = pyproject::find_pyproject_toml(
-        stdin_filename
-            .as_ref()
-            .unwrap_or(&path_dedot::CWD.as_path()),
-    )? {
-        // Second priority: find a `pyproject.toml` file in either an ancestor of
-        // `stdin_filename` (if set) or the current working path all paths relative to
-        // that directory. (With `Strategy::Hierarchical`, we'll end up finding
-        // the "closest" `pyproject.toml` file for every Python file later on,
-        // so these act as the "default" settings.)
-        let settings = resolve_settings(&pyproject, &Relativity::Parent, Some(overrides))?;
-        Ok(PyprojectDiscovery::Hierarchical(settings))
-    } else if let Some(pyproject) = pyproject::find_user_pyproject_toml() {
-        // Third priority: find a user-specific `pyproject.toml`, but resolve all paths
-        // relative the current working directory. (With `Strategy::Hierarchical`, we'll
-        // end up the "closest" `pyproject.toml` file for every Python file later on, so
-        // these act as the "default" settings.)
-        let settings = resolve_settings(&pyproject, &Relativity::Cwd, Some(overrides))?;
-        Ok(PyprojectDiscovery::Hierarchical(settings))
+cfg_if! {
+    if #[cfg(not(target_family = "wasm"))] {
+        mod main_native;
+        use main_native::inner_main;
    } else {
-        // Fallback: load Ruff's default settings, and resolve all paths relative to the
-        // current working directory. (With `Strategy::Hierarchical`, we'll end up the
-        // "closest" `pyproject.toml` file for every Python file later on, so these act
-        // as the "default" settings.)
-        let mut config = Configuration::default();
-        // Apply command-line options that override defaults.
-        config.apply(overrides.clone());
-        let settings = Settings::from_configuration(config, &path_dedot::CWD)?;
-        Ok(PyprojectDiscovery::Hierarchical(settings))
-    }
-}
+        use anyhow::Result;

-fn inner_main() -> Result<ExitCode> {
-    // Extract command-line arguments.
-    let (cli, overrides) = Cli::parse().partition();
-    let log_level = extract_log_level(&cli);
-    set_up_logging(&log_level)?;
-
-    if cli.show_settings && cli.show_files {
-        anyhow::bail!("specify --show-settings or show-files (not both)")
-    }
-    if let Some(shell) = cli.generate_shell_completion {
-        shell.generate(&mut Cli::command(), &mut io::stdout());
-        return Ok(ExitCode::SUCCESS);
-    }
-
-    // Construct the "default" settings. These are used when no `pyproject.toml`
-    // files are present, or files are injected from outside of the hierarchy.
-    let pyproject_strategy = resolve(
-        cli.config.as_deref(),
-        &overrides,
-        cli.stdin_filename.as_deref(),
-    )?;
-
-    // Extract options that are included in `Settings`, but only apply at the top
-    // level.
-    let file_strategy = FileDiscovery {
-        force_exclude: match &pyproject_strategy {
-            PyprojectDiscovery::Fixed(settings) => settings.force_exclude,
-            PyprojectDiscovery::Hierarchical(settings) => settings.force_exclude,
-        },
-        respect_gitignore: match &pyproject_strategy {
-            PyprojectDiscovery::Fixed(settings) => settings.respect_gitignore,
-            PyprojectDiscovery::Hierarchical(settings) => settings.respect_gitignore,
-        },
-    };
-    let (fix, format) = match &pyproject_strategy {
-        PyprojectDiscovery::Fixed(settings) => (settings.fix, settings.format),
-        PyprojectDiscovery::Hierarchical(settings) => (settings.fix, settings.format),
-    };
-    let autofix = if fix {
-        fixer::Mode::Apply
-    } else if matches!(format, SerializationFormat::Json) {
-        fixer::Mode::Generate
-    } else {
-        fixer::Mode::None
-    };
-
-    if let Some(code) = cli.explain {
-        commands::explain(&code, &format)?;
-        return Ok(ExitCode::SUCCESS);
-    }
-    if cli.show_settings {
-        commands::show_settings(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
-        return Ok(ExitCode::SUCCESS);
-    }
-    if cli.show_files {
-        commands::show_files(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
-        return Ok(ExitCode::SUCCESS);
-    }
-
-    // Initialize the cache.
-    let mut cache_enabled: bool = !cli.no_cache;
-    if cache_enabled && cache::init().is_err() {
-        eprintln!("Unable to initialize cache; disabling...");
-        cache_enabled = false;
-    }
-
-    let printer = Printer::new(&format, &log_level);
-    if cli.watch {
-        if matches!(autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
-            eprintln!("Warning: --fix is not enabled in watch mode.");
-        }
-        if cli.add_noqa {
-            eprintln!("Warning: --no-qa is not enabled in watch mode.");
-        }
-        if cli.autoformat {
-            eprintln!("Warning: --autoformat is not enabled in watch mode.");
-        }
-        if format != SerializationFormat::Text {
-            eprintln!("Warning: --format 'text' is used in watch mode.");
-        }
-
-        // Perform an initial run instantly.
-        printer.clear_screen()?;
-        printer.write_to_user("Starting linter in watch mode...\n");
-
-        let messages = commands::run(
-            &cli.files,
-            &pyproject_strategy,
-            &file_strategy,
-            &overrides,
-            cache_enabled.into(),
-            fixer::Mode::None,
-        )?;
-        printer.write_continuously(&messages)?;
-
-        // Configure the file watcher.
-        let (tx, rx) = channel();
-        let mut watcher = recommended_watcher(tx)?;
-        for file in &cli.files {
-            watcher.watch(file, RecursiveMode::Recursive)?;
-        }
-
-        loop {
-            match rx.recv() {
-                Ok(event) => {
-                    let paths = event?.paths;
-                    let py_changed = paths.iter().any(|path| {
-                        path.extension()
-                            .map(|ext| ext == "py" || ext == "pyi")
-                            .unwrap_or_default()
-                    });
-                    if py_changed {
-                        printer.clear_screen()?;
-                        printer.write_to_user("File change detected...\n");
-
-                        let messages = commands::run(
-                            &cli.files,
-                            &pyproject_strategy,
-                            &file_strategy,
-                            &overrides,
-                            cache_enabled.into(),
-                            fixer::Mode::None,
-                        )?;
-                        printer.write_continuously(&messages)?;
-                    }
-                }
-                Err(err) => return Err(err.into()),
-            }
-        }
-    } else if cli.add_noqa {
-        let modifications =
-            commands::add_noqa(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
-        if modifications > 0 && log_level >= LogLevel::Default {
-            println!("Added {modifications} noqa directives.");
-        }
-    } else if cli.autoformat {
-        let modifications =
-            commands::autoformat(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
-        if modifications > 0 && log_level >= LogLevel::Default {
-            println!("Formatted {modifications} files.");
-        }
-    } else {
-        let is_stdin = cli.files == vec![PathBuf::from("-")];
-
-        // Generate lint violations.
-        let diagnostics = if is_stdin {
-            commands::run_stdin(
-                cli.stdin_filename.as_deref(),
-                &pyproject_strategy,
-                &file_strategy,
-                &overrides,
-                autofix,
-            )?
-        } else {
-            commands::run(
-                &cli.files,
-                &pyproject_strategy,
-                &file_strategy,
-                &overrides,
-                cache_enabled.into(),
-                autofix,
-            )?
-        };
-
-        // Always try to print violations (the printer itself may suppress output),
-        // unless we're writing fixes via stdin (in which case, the transformed
-        // source code goes to stdout).
-        if !(is_stdin && matches!(autofix, fixer::Mode::Apply)) {
-            printer.write_once(&diagnostics, autofix)?;
-        }
-
-        // Check for updates if we're in a non-silent log level.
-        #[cfg(feature = "update-informer")]
-        if !is_stdin && log_level >= LogLevel::Default && atty::is(atty::Stream::Stdout) {
-            drop(updates::check_for_updates());
-        }
-
-        if !diagnostics.messages.is_empty() && !cli.exit_zero {
-            return Ok(ExitCode::FAILURE);
+        #[allow(clippy::unnecessary_wraps)]
+        fn inner_main() -> Result<ExitCode> {
+            Ok(ExitCode::FAILURE)
        }
    }
-
-    Ok(ExitCode::SUCCESS)
 }

 fn main() -> ExitCode {
--- a/src/main_native.rs
+++ b/src/main_native.rs
@@ -0,0 +1,270 @@
+#![allow(
+    clippy::collapsible_else_if,
+    clippy::collapsible_if,
+    clippy::implicit_hasher,
+    clippy::match_same_arms,
+    clippy::missing_errors_doc,
+    clippy::missing_panics_doc,
+    clippy::module_name_repetitions,
+    clippy::must_use_candidate,
+    clippy::similar_names,
+    clippy::too_many_lines
+)]
+
+use std::io::{self};
+use std::path::{Path, PathBuf};
+use std::process::ExitCode;
+use std::sync::mpsc::channel;
+
+use ::ruff::autofix::fixer;
+use ::ruff::cli::{extract_log_level, Cli, Overrides};
+use ::ruff::commands;
+use ::ruff::logging::{set_up_logging, LogLevel};
+use ::ruff::printer::{Printer, Violations};
+use ::ruff::resolver::{resolve_settings, FileDiscovery, PyprojectDiscovery, Relativity};
+use ::ruff::settings::configuration::Configuration;
+use ::ruff::settings::types::SerializationFormat;
+use ::ruff::settings::{pyproject, Settings};
+#[cfg(feature = "update-informer")]
+use ::ruff::updates;
+use anyhow::Result;
+use clap::{CommandFactory, Parser};
+use notify::{recommended_watcher, RecursiveMode, Watcher};
+use path_absolutize::path_dedot;
+
+/// Resolve the relevant settings strategy and defaults for the current
+/// invocation.
+fn resolve(
+    config: Option<&Path>,
+    overrides: &Overrides,
+    stdin_filename: Option<&Path>,
+) -> Result<PyprojectDiscovery> {
+    if let Some(pyproject) = config {
+        // First priority: the user specified a `pyproject.toml` file. Use that
+        // `pyproject.toml` for _all_ configuration, and resolve paths relative to the
+        // current working directory. (This matches ESLint's behavior.)
+        let settings = resolve_settings(pyproject, &Relativity::Cwd, Some(overrides))?;
+        Ok(PyprojectDiscovery::Fixed(settings))
+    } else if let Some(pyproject) = pyproject::find_settings_toml(
+        stdin_filename
+            .as_ref()
+            .unwrap_or(&path_dedot::CWD.as_path()),
+    )? {
+        // Second priority: find a `pyproject.toml` file in either an ancestor of
+        // `stdin_filename` (if set) or the current working path all paths relative to
+        // that directory. (With `Strategy::Hierarchical`, we'll end up finding
+        // the "closest" `pyproject.toml` file for every Python file later on,
+        // so these act as the "default" settings.)
+        let settings = resolve_settings(&pyproject, &Relativity::Parent, Some(overrides))?;
+        Ok(PyprojectDiscovery::Hierarchical(settings))
+    } else if let Some(pyproject) = pyproject::find_user_settings_toml() {
+        // Third priority: find a user-specific `pyproject.toml`, but resolve all paths
+        // relative the current working directory. (With `Strategy::Hierarchical`, we'll
+        // end up the "closest" `pyproject.toml` file for every Python file later on, so
+        // these act as the "default" settings.)
+        let settings = resolve_settings(&pyproject, &Relativity::Cwd, Some(overrides))?;
+        Ok(PyprojectDiscovery::Hierarchical(settings))
+    } else {
+        // Fallback: load Ruff's default settings, and resolve all paths relative to the
+        // current working directory. (With `Strategy::Hierarchical`, we'll end up the
+        // "closest" `pyproject.toml` file for every Python file later on, so these act
+        // as the "default" settings.)
+        let mut config = Configuration::default();
+        // Apply command-line options that override defaults.
+        config.apply(overrides.clone());
+        let settings = Settings::from_configuration(config, &path_dedot::CWD)?;
+        Ok(PyprojectDiscovery::Hierarchical(settings))
+    }
+}
+
+pub(crate) fn inner_main() -> Result<ExitCode> {
+    // Extract command-line arguments.
+    let (cli, overrides) = Cli::parse().partition();
+    let log_level = extract_log_level(&cli);
+    set_up_logging(&log_level)?;
+
+    if cli.show_settings && cli.show_files {
+        anyhow::bail!("specify --show-settings or show-files (not both)")
+    }
+    if let Some(shell) = cli.generate_shell_completion {
+        shell.generate(&mut Cli::command(), &mut io::stdout());
+        return Ok(ExitCode::SUCCESS);
+    }
+
+    // Construct the "default" settings. These are used when no `pyproject.toml`
+    // files are present, or files are injected from outside of the hierarchy.
+    let pyproject_strategy = resolve(
+        cli.config.as_deref(),
+        &overrides,
+        cli.stdin_filename.as_deref(),
+    )?;
+
+    // Validate the `Settings` and return any errors.
+    match &pyproject_strategy {
+        PyprojectDiscovery::Fixed(settings) => settings.validate()?,
+        PyprojectDiscovery::Hierarchical(settings) => settings.validate()?,
+    };
+
+    // Extract options that are included in `Settings`, but only apply at the top
+    // level.
+    let file_strategy = FileDiscovery {
+        force_exclude: match &pyproject_strategy {
+            PyprojectDiscovery::Fixed(settings) => settings.force_exclude,
+            PyprojectDiscovery::Hierarchical(settings) => settings.force_exclude,
+        },
+        respect_gitignore: match &pyproject_strategy {
+            PyprojectDiscovery::Fixed(settings) => settings.respect_gitignore,
+            PyprojectDiscovery::Hierarchical(settings) => settings.respect_gitignore,
+        },
+    };
+    let (fix, fix_only, format) = match &pyproject_strategy {
+        PyprojectDiscovery::Fixed(settings) => (settings.fix, settings.fix_only, settings.format),
+        PyprojectDiscovery::Hierarchical(settings) => {
+            (settings.fix, settings.fix_only, settings.format)
+        }
+    };
+    let autofix = if fix || fix_only {
+        fixer::Mode::Apply
+    } else if matches!(format, SerializationFormat::Json) {
+        fixer::Mode::Generate
+    } else {
+        fixer::Mode::None
+    };
+    let violations = if fix_only {
+        Violations::Hide
+    } else {
+        Violations::Show
+    };
+    let cache = !cli.no_cache;
+
+    if let Some(code) = cli.explain {
+        commands::explain(&code, &format)?;
+        return Ok(ExitCode::SUCCESS);
+    }
+    if cli.show_settings {
+        commands::show_settings(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
+        return Ok(ExitCode::SUCCESS);
+    }
+    if cli.show_files {
+        commands::show_files(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
+        return Ok(ExitCode::SUCCESS);
+    }
+
+    let printer = Printer::new(&format, &log_level, &autofix, &violations);
+    if cli.watch {
+        if matches!(autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
+            eprintln!("Warning: --fix is not enabled in watch mode.");
+        }
+        if cli.add_noqa {
+            eprintln!("Warning: --add-noqa is not enabled in watch mode.");
+        }
+        if cli.autoformat {
+            eprintln!("Warning: --autoformat is not enabled in watch mode.");
+        }
+        if format != SerializationFormat::Text {
+            eprintln!("Warning: --format 'text' is used in watch mode.");
+        }
+
+        // Perform an initial run instantly.
+        printer.clear_screen()?;
+        printer.write_to_user("Starting linter in watch mode...\n");
+
+        let messages = commands::run(
+            &cli.files,
+            &pyproject_strategy,
+            &file_strategy,
+            &overrides,
+            cache.into(),
+            fixer::Mode::None,
+        )?;
+        printer.write_continuously(&messages)?;
+
+        // Configure the file watcher.
+        let (tx, rx) = channel();
+        let mut watcher = recommended_watcher(tx)?;
+        for file in &cli.files {
+            watcher.watch(file, RecursiveMode::Recursive)?;
+        }
+
+        loop {
+            match rx.recv() {
+                Ok(event) => {
+                    let paths = event?.paths;
+                    let py_changed = paths.iter().any(|path| {
+                        path.extension()
+                            .map(|ext| ext == "py" || ext == "pyi")
+                            .unwrap_or_default()
+                    });
+                    if py_changed {
+                        printer.clear_screen()?;
+                        printer.write_to_user("File change detected...\n");
+
+                        let messages = commands::run(
+                            &cli.files,
+                            &pyproject_strategy,
+                            &file_strategy,
+                            &overrides,
+                            cache.into(),
+                            fixer::Mode::None,
+                        )?;
+                        printer.write_continuously(&messages)?;
+                    }
+                }
+                Err(err) => return Err(err.into()),
+            }
+        }
+    } else if cli.add_noqa {
+        let modifications =
+            commands::add_noqa(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
+        if modifications > 0 && log_level >= LogLevel::Default {
+            println!("Added {modifications} noqa directives.");
+        }
+    } else if cli.autoformat {
+        let modifications =
+            commands::autoformat(&cli.files, &pyproject_strategy, &file_strategy, &overrides)?;
+        if modifications > 0 && log_level >= LogLevel::Default {
+            println!("Formatted {modifications} files.");
+        }
+    } else {
+        let is_stdin = cli.files == vec![PathBuf::from("-")];
+
+        // Generate lint violations.
+        let diagnostics = if is_stdin {
+            commands::run_stdin(
+                cli.stdin_filename.as_deref(),
+                &pyproject_strategy,
+                &file_strategy,
+                &overrides,
+                autofix,
+            )?
+        } else {
+            commands::run(
+                &cli.files,
+                &pyproject_strategy,
+                &file_strategy,
+                &overrides,
+                cache.into(),
+                autofix,
+            )?
+        };
+
+        // Always try to print violations (the printer itself may suppress output),
+        // unless we're writing fixes via stdin (in which case, the transformed
+        // source code goes to stdout).
+        if !(is_stdin && matches!(autofix, fixer::Mode::Apply)) {
+            printer.write_once(&diagnostics)?;
+        }
+
+        // Check for updates if we're in a non-silent log level.
+        #[cfg(feature = "update-informer")]
+        if !is_stdin && log_level >= LogLevel::Default && atty::is(atty::Stream::Stdout) {
+            drop(updates::check_for_updates());
+        }
+
+        if !diagnostics.messages.is_empty() && !cli.exit_zero && !fix_only {
+            return Ok(ExitCode::FAILURE);
+        }
+    }
+
+    Ok(ExitCode::SUCCESS)
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Charlie Marsh	1e4b1533ad	Bump version to 0.0.195	2022-12-26 20:41:39 -05:00
Charlie Marsh	df4f5358f9	Bump pyupgrade implementation count	2022-12-26 19:56:12 -05:00
Colin Delahunty	58c383401c	Replace `typing.Text` with `str` (#1391 )	2022-12-26 19:55:41 -05:00
Charlie Marsh	018b9a2977	Only run playground release in main repo (#1396 )	2022-12-26 19:45:04 -05:00
Charlie Marsh	658cb87ddd	Enable Quick Fix in the playground (#1395 )	2022-12-26 19:25:50 -05:00
Charlie Marsh	0d35087bc6	Choose a more interesting example snippet (#1394 )	2022-12-26 15:19:17 -05:00
Charlie Marsh	b721125af9	Add badge to playground (#1393 )	2022-12-26 15:13:55 -05:00
Charlie Marsh	20d6b21d77	Add ESLint, Prettier, and TypeScript checks (#1384 )	2022-12-26 15:08:22 -05:00
Charlie Marsh	1a27992f47	Enable preview deployments for playground (#1383 )	2022-12-26 14:52:13 -05:00
Charlie Marsh	89cebe1ce2	Update name of Playground job	2022-12-26 12:10:22 -05:00
Reiner Gerecke	bdb1505262	Web playground with WASM (#1279 )	2022-12-26 12:09:17 -05:00
Charlie Marsh	8c018e8261	Add settings validation to lib.rs	2022-12-26 10:12:07 -05:00
Colin Delahunty	debd909b2c	Magic Trailing Commas in isort (#1363 )	2022-12-26 09:40:02 -05:00
Reiner Gerecke	fa54538bd1	Only re-associate inline comments during normalization when necessary (#1380 )	2022-12-26 07:52:13 -05:00
Reiner Gerecke	939f738a71	Update rust python to handle files with BOM (#1379 )	2022-12-26 07:03:13 -05:00
Charlie Marsh	b0f30bef8f	Add support for `ruff.toml` (#1378 )	2022-12-25 21:55:07 -05:00
Charlie Marsh	28c45eb2a3	Remove required versions from pyproject.toml	2022-12-25 20:21:01 -05:00
Charlie Marsh	4dc45912e8	Run cargo dev commands	2022-12-25 20:12:12 -05:00
Charlie Marsh	5ef8bff341	Bump version to 0.0.194	2022-12-25 19:54:45 -05:00
Charlie Marsh	2ab8f77223	Update command-line help text	2022-12-25 19:54:14 -05:00
Charlie Marsh	8b72f55a09	Add `--required-version` (#1376 )	2022-12-25 19:53:50 -05:00
Charlie Marsh	19121219fb	Avoid double-extending past the end when showing source (#1377 )	2022-12-25 19:52:42 -05:00
Charlie Marsh	d9355c989a	Add a `--fix-only` command-line and `pyproject.toml` option (#1375 )	2022-12-25 18:49:56 -05:00
Charlie Marsh	ec80d1cd85	Respect natural ordering for imports (#1374 )	2022-12-25 18:11:41 -05:00
Charlie Marsh	9bb470c7d4	Ignore unused arguments for @overload stubs (#1373 )	2022-12-25 17:22:31 -05:00
Harutaka Kawamura	dca3fcd8d1	Improve `excepthandler_name_range` (#1368 )	2022-12-25 00:12:12 -05:00
Harutaka Kawamura	10f75c9620	Fix F841 (`UnusedVariable`) range in except handler (#1367 )	2022-12-24 22:55:55 -05:00
Charlie Marsh	cc2110449c	Run cargo dev commands	2022-12-24 15:06:12 -05:00
Charlie Marsh	f6ca49e05f	Bump version to 0.0.193	2022-12-24 14:56:26 -05:00
Charlie Marsh	9a7331b2e2	Annotate RUF100 messages with unmatched, disabled, and unknown codes (#1365 )	2022-12-24 14:55:55 -05:00
Edgar R. M	4888afd423	Generate JSON schema for Ruff options (#1329 )	2022-12-24 14:10:22 -05:00
Sawbez	0dc523b081	Add autofix for W605 [InvalidEscapeSequence] (#1361 )	2022-12-24 13:46:28 -05:00
Harutaka Kawamura	63772e335d	Fix B025 location (#1360 )	2022-12-24 12:22:11 -05:00
Reiner Gerecke	7f4ff1e38f	Fix false-positive in RET504 when referencing globals (#1358 )	2022-12-24 12:02:57 -05:00
Reiner Gerecke	32ebc1d227	Don't trigger E721 when comparing with None (#1356 )	2022-12-24 04:45:40 -05:00
Sawbez	4ded155dc0	Add autofix for W292 [NoNewLineAtEndOfFile] (#1354 )	2022-12-23 23:14:17 -05:00
Harutaka Kawamura	201e1250de	Update RustPython to use the correct `BinOp` location (#1355 )	2022-12-23 22:58:39 -05:00
Reiner Gerecke	102b049a32	Add cache-dir to command-line and pyproject.toml (#1351 )	2022-12-23 22:58:29 -05:00
Charlie Marsh	74f49eda64	Bump compatibility to 3.11 (#1352 )	2022-12-23 12:12:11 -05:00
Reiner Gerecke	9da3e2cca1	Implement "native literals" check from pyupgrade (#1350 )	2022-12-23 11:40:32 -05:00
Charlie Marsh	e290050821	Avoid enabling all EM checks at once (#1349 )	2022-12-23 08:25:07 -05:00
Charlie Marsh	bc9ed0a4ef	Tweak LSP docs	2022-12-22 22:16:32 -05:00
Charlie Marsh	20b9b44973	Link to ruff-lsp docs	2022-12-22 21:53:11 -05:00
Charlie Marsh	6e5a553235	Update Neovim instructions	2022-12-22 21:52:30 -05:00
Charlie Marsh	2a08a63f17	Add a link to the PyCharm plugin (#1345 )	2022-12-22 21:50:24 -05:00
Colin Delahunty	d4290e6721	Update CONTRIBUTING.md (#1344 )	2022-12-22 21:04:19 -05:00