Bump version to 0.0.145

Rewrite type annotations on Python 3.7 when __future__ enabled (#953 )
Implement eradicate (#947 )
2022-11-28 20:57:58 -05:00 · 2022-11-28 20:57:38 -05:00 · 2022-11-28 20:54:33 -05:00 · 2022-11-28 20:11:08 -05:00 · 2022-11-28 20:10:21 -05:00 · 2022-11-28 16:17:01 -05:00
340 changed files with 10830 additions and 4074 deletions
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -82,7 +82,7 @@ jobs:
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-
-      - run: cargo clippy --workspace --all-targets --all-features -- -D warnings
+      - run: cargo clippy --workspace --all-targets --all-features -- -D warnings -W clippy::pedantic

  cargo_test:
    name: "cargo test"
--- a/.github/workflows/flake8-to-ruff.yaml
+++ b/.github/workflows/flake8-to-ruff.yaml
@@ -34,7 +34,6 @@ jobs:
        with:
          target: x86_64
          args: --release --out dist --sdist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - name: Install built wheel - x86_64
        run: |
          pip install dist/${{ env.CRATE_NAME }}-*.whl --force-reinstall
@@ -61,7 +60,6 @@ jobs:
        uses: messense/maturin-action@v1
        with:
          args: --release --universal2 --out dist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - name: Install built wheel - universal2
        run: |
          pip install dist/${{ env.CRATE_NAME }}-*universal2.whl --force-reinstall
@@ -93,7 +91,6 @@ jobs:
        with:
          target: ${{ matrix.target }}
          args: --release --out dist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - name: Install built wheel
        shell: bash
        run: |
@@ -121,7 +118,6 @@ jobs:
          target: ${{ matrix.target }}
          manylinux: auto
          args: --release --out dist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - name: Install built wheel
        if: matrix.target == 'x86_64'
        run: |
@@ -148,7 +144,6 @@ jobs:
          target: ${{ matrix.target }}
          manylinux: auto
          args: --no-default-features --release --out dist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - uses: uraimo/run-on-arch-action@v2.0.5
        if: matrix.target != 'ppc64'
        name: Install built wheel
@@ -187,7 +182,6 @@ jobs:
          target: ${{ matrix.target }}
          manylinux: musllinux_1_2
          args: --release --out dist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - name: Install built wheel
        if: matrix.target == 'x86_64-unknown-linux-musl'
        uses: addnab/docker-run-action@v3
@@ -223,7 +217,6 @@ jobs:
          target: ${{ matrix.platform.target }}
          manylinux: musllinux_1_2
          args: --release --out dist -m ./${{ env.CRATE_NAME }}/Cargo.toml
-          maturin-version: "v0.13.0"
      - uses: uraimo/run-on-arch-action@master
        name: Install built wheel
        with:
@@ -261,7 +254,6 @@ jobs:
      - name: Build wheels
        uses: messense/maturin-action@v1
        with:
-          maturin-version: "v0.13.0"
          target: ${{ matrix.target }}
          manylinux: auto
          args: --release --out dist -i pypy${{ matrix.python-version }} -m ./${{ env.CRATE_NAME }}/Cargo.toml
--- a/.github/workflows/ruff.yaml
+++ b/.github/workflows/ruff.yaml
@@ -36,7 +36,6 @@ jobs:
        with:
          target: x86_64
          args: --release --out dist --sdist
-          maturin-version: "v0.13.0"
      - name: Install built wheel - x86_64
        run: |
          pip install dist/${{ env.PACKAGE_NAME }}-*.whl --force-reinstall
@@ -63,7 +62,6 @@ jobs:
        uses: messense/maturin-action@v1
        with:
          args: --release --universal2 --out dist
-          maturin-version: "v0.13.0"
      - name: Install built wheel - universal2
        run: |
          pip install dist/${{ env.PACKAGE_NAME }}-*universal2.whl --force-reinstall
@@ -95,7 +93,6 @@ jobs:
        with:
          target: ${{ matrix.target }}
          args: --release --out dist
-          maturin-version: "v0.13.0"
      - name: Install built wheel
        shell: bash
        run: |
@@ -123,7 +120,6 @@ jobs:
          target: ${{ matrix.target }}
          manylinux: auto
          args: --release --out dist
-          maturin-version: "v0.13.0"
      - name: Install built wheel
        if: matrix.target == 'x86_64'
        run: |
@@ -150,7 +146,6 @@ jobs:
          target: ${{ matrix.target }}
          manylinux: auto
          args: --no-default-features --release --out dist
-          maturin-version: "v0.13.0"
      - uses: uraimo/run-on-arch-action@v2.0.5
        if: matrix.target != 'ppc64'
        name: Install built wheel
@@ -189,7 +184,6 @@ jobs:
          target: ${{ matrix.target }}
          manylinux: musllinux_1_2
          args: --release --out dist
-          maturin-version: "v0.13.0"
      - name: Install built wheel
        if: matrix.target == 'x86_64-unknown-linux-musl'
        uses: addnab/docker-run-action@v3
@@ -225,7 +219,6 @@ jobs:
          target: ${{ matrix.platform.target }}
          manylinux: musllinux_1_2
          args: --release --out dist
-          maturin-version: "v0.13.0"
      - uses: uraimo/run-on-arch-action@master
        name: Install built wheel
        with:
@@ -263,7 +256,6 @@ jobs:
      - name: Build wheels
        uses: messense/maturin-action@v1
        with:
-          maturin-version: "v0.13.0"
          target: ${{ matrix.target }}
          manylinux: auto
          args: --release --out dist -i pypy${{ matrix.python-version }}
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
  - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.128
+    rev: v0.0.145
    hooks:
      - id: ruff

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -94,133 +94,6 @@ dependencies = [
 "wait-timeout",
 ]

-[[package]]
-name = "async-channel"
-version = "1.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e14485364214912d3b19cc3435dde4df66065127f05fa0d75c712f36f12c2f28"
-dependencies = [
- "concurrent-queue",
- "event-listener",
- "futures-core",
-]
-
-[[package]]
-name = "async-executor"
-version = "1.4.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "871f9bb5e0a22eeb7e8cf16641feb87c9dc67032ccf8ff49e772eb9941d3a965"
-dependencies = [
- "async-task",
- "concurrent-queue",
- "fastrand",
- "futures-lite",
- "once_cell",
- "slab",
-]
-
-[[package]]
-name = "async-global-executor"
-version = "2.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1b6f5d7df27bd294849f8eec66ecfc63d11814df7a4f5d74168a2394467b776"
-dependencies = [
- "async-channel",
- "async-executor",
- "async-io",
- "async-lock",
- "blocking",
- "futures-lite",
- "once_cell",
-]
-
-[[package]]
-name = "async-io"
-version = "1.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8121296a9f05be7f34aa4196b1747243b3b62e048bb7906f644f3fbfc490cf7"
-dependencies = [
- "async-lock",
- "autocfg",
- "concurrent-queue",
- "futures-lite",
- "libc",
- "log",
- "parking",
- "polling",
- "slab",
- "socket2",
- "waker-fn",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "async-lock"
-version = "2.6.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c8101efe8695a6c17e02911402145357e718ac92d3ff88ae8419e84b1707b685"
-dependencies = [
- "event-listener",
- "futures-lite",
-]
-
-[[package]]
-name = "async-process"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02111fd8655a613c25069ea89fc8d9bb89331fa77486eb3bc059ee757cfa481c"
-dependencies = [
- "async-io",
- "autocfg",
- "blocking",
- "cfg-if 1.0.0",
- "event-listener",
- "futures-lite",
- "libc",
- "once_cell",
- "signal-hook",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "async-std"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62565bb4402e926b29953c785397c6dc0391b7b446e45008b0049eb43cec6f5d"
-dependencies = [
- "async-channel",
- "async-global-executor",
- "async-io",
- "async-lock",
- "async-process",
- "crossbeam-utils",
- "futures-channel",
- "futures-core",
- "futures-io",
- "futures-lite",
- "gloo-timers",
- "kv-log-macro",
- "log",
- "memchr",
- "once_cell",
- "pin-project-lite",
- "pin-utils",
- "slab",
- "wasm-bindgen-futures",
-]
-
-[[package]]
-name = "async-task"
-version = "4.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a40729d2133846d9ed0ea60a8b9541bccddab49cd30f0715a1da672fe9a2524"
-
-[[package]]
-name = "atomic-waker"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "065374052e7df7ee4047b1160cca5e1467a12351a40b3da123c870ba0b8eda2a"
-
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -238,15 +111,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"

-[[package]]
-name = "base64"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
-dependencies = [
- "byteorder",
-]
-
 [[package]]
 name = "base64"
 version = "0.13.1"
@@ -283,50 +147,6 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"

-[[package]]
-name = "block-buffer"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c0940dc441f31689269e10ac70eb1002a3a1d3ad1390e030043662eb7fe4688b"
-dependencies = [
- "block-padding",
- "byte-tools",
- "byteorder",
- "generic-array 0.12.4",
-]
-
-[[package]]
-name = "block-buffer"
-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4152116fd6e9dadb291ae18fc1ec3575ed6d84c29642d97890f4b4a3417297e4"
-dependencies = [
- "generic-array 0.14.6",
-]
-
-[[package]]
-name = "block-padding"
-version = "0.1.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa79dedbb091f449f1f39e53edf88d5dbe95f895dae6135a8d7b881fb5af73f5"
-dependencies = [
- "byte-tools",
-]
-
-[[package]]
-name = "blocking"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c6ccb65d468978a086b69884437ded69a90faab3bbe6e67f242173ea728acccc"
-dependencies = [
- "async-channel",
- "async-task",
- "atomic-waker",
- "fastrand",
- "futures-lite",
- "once_cell",
-]
-
 [[package]]
 name = "bstr"
 version = "0.2.17"
@@ -357,46 +177,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "572f695136211188308f16ad2ca5c851a712c464060ae6974944458eb83880ba"

 [[package]]
-name = "byte-tools"
-version = "0.3.1"
+name = "cachedir"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
-
-[[package]]
-name = "byteorder"
-version = "1.4.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14c189c53d098945499cdfa7ecc63567cf3886b3332b312a5b4585d8d3a6a610"
-
-[[package]]
-name = "cacache"
-version = "10.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c13caedf5b624de6448b78e980320a27266557350198dc67cf64bc8561c27e8"
+checksum = "e236bf5873ea57ec2877445297f4da008916bfae51567131acfc54a073d694f3"
 dependencies = [
- "async-std",
- "digest 0.9.0",
- "either",
- "futures",
- "hex 0.4.3",
- "memmap2",
- "serde",
- "serde_derive",
- "serde_json",
- "sha-1 0.9.8",
- "sha2 0.9.9",
- "ssri",
 "tempfile",
- "thiserror",
- "walkdir",
 ]

-[[package]]
-name = "cache-padded"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c1db59621ec70f09c5e9b597b220c7a2b43611f4710dc03ceb8748637775692c"
-
 [[package]]
 name = "cast"
 version = "0.3.0"
@@ -502,6 +290,36 @@ dependencies = [
 "termcolor",
 ]

+[[package]]
+name = "clap_complete"
+version = "4.0.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b7b3c9eae0de7bf8e3f904a5e40612b21fb2e2e566456d177809a48b892d24da"
+dependencies = [
+ "clap 4.0.22",
+]
+
+[[package]]
+name = "clap_complete_command"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4160b4a4f72ef58bd766bad27c09e6ef1cc9d82a22f6a0f55d152985a4a48e31"
+dependencies = [
+ "clap 4.0.22",
+ "clap_complete",
+ "clap_complete_fig",
+]
+
+[[package]]
+name = "clap_complete_fig"
+version = "4.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46b30e010e669cd021e5004f3be26cff6b7c08d2a8a0d65b48d43a8cc0efd6c3"
+dependencies = [
+ "clap 4.0.22",
+ "clap_complete",
+]
+
 [[package]]
 name = "clap_derive"
 version = "4.0.21"
@@ -582,15 +400,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2382f75942f4b3be3690fe4f86365e9c853c1587d6ee58212cebf6e2a9ccd101"

-[[package]]
-name = "concurrent-queue"
-version = "1.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af4780a44ab5696ea9e28294517f1fffb421a83a25af521333c838635509db9c"
-dependencies = [
- "cache-padded",
-]
-
 [[package]]
 name = "configparser"
 version = "3.0.2"
@@ -616,15 +425,6 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"

-[[package]]
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-version = "0.2.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "crc32fast"
 version = "1.3.2"
@@ -719,16 +519,6 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"

-[[package]]
-name = "ctor"
-version = "0.1.26"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d2301688392eb071b0bf1a37be05c469d3cc4dbbd95df672fe28ab021e6a096"
-dependencies = [
- "quote",
- "syn",
-]
-
 [[package]]
 name = "cxx"
 version = "1.0.81"
@@ -785,24 +575,6 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6184e33543162437515c2e2b48714794e37845ec9851711914eec9d308f6ebe8"

-[[package]]
-name = "digest"
-version = "0.8.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3d0c8c8752312f9713efd397ff63acb9f85585afbf179282e720e7704954dd5"
-dependencies = [
- "generic-array 0.12.4",
-]
-
-[[package]]
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-version = "0.9.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3dd60d1080a57a05ab032377049e0591415d2b31afd7028356dbf3cc6dcb066"
-dependencies = [
- "generic-array 0.14.6",
-]
-
 [[package]]
 name = "directories"
 version = "4.0.1"
@@ -890,18 +662,6 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"

-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
-
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-
 [[package]]
 name = "fastrand"
 version = "1.8.0"
@@ -940,15 +700,15 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"

 [[package]]
 name = "flake8-to-ruff"
-version = "0.0.128-dev.0"
+version = "0.0.145-dev.0"
 dependencies = [
 "anyhow",
 "clap 4.0.22",
 "configparser",
- "fnv",
 "once_cell",
 "regex",
 "ruff",
+ "rustc-hash",
 "serde",
 "serde_json",
 "toml",
@@ -1014,129 +774,6 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"

-[[package]]
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-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38390104763dc37a5145a53c29c63c1290b5d316d6086ec32c293f6736051bb0"
-dependencies = [
- "futures-channel",
- "futures-core",
- "futures-executor",
- "futures-io",
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- "futures-task",
- "futures-util",
-]
-
-[[package]]
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-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "futures-core",
- "futures-sink",
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-
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-
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-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
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-
-[[package]]
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-
-[[package]]
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@@ -1162,21 +799,16 @@ dependencies = [
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 [[package]]
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+name = "globset"
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+checksum = "0a1e17342619edbc21a964c2afbeb6c820c6a2560032872f397bb97ea127bd0a"
 dependencies = [
- "futures-channel",
- "futures-core",
- "js-sys",
- "wasm-bindgen",
+ "aho-corasick",
+ "bstr 0.2.17",
+ "fnv",
+ "log",
+ "regex",
 ]

 [[package]]
@@ -1209,18 +841,6 @@ dependencies = [
 "libc",
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-[[package]]
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-
 [[package]]
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@@ -1363,15 +983,6 @@ dependencies = [
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-[[package]]
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-
 [[package]]
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@@ -1455,7 +1066,7 @@ checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
 [[package]]
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+source = "git+https://github.com/charliermarsh/LibCST?rev=f2f0b7a487a8725d161fe8b3ed73a6758b21e177#f2f0b7a487a8725d161fe8b3ed73a6758b21e177"
 dependencies = [
 "chic",
 "itertools",
@@ -1470,7 +1081,7 @@ dependencies = [
 [[package]]
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+source = "git+https://github.com/charliermarsh/LibCST?rev=f2f0b7a487a8725d161fe8b3ed73a6758b21e177#f2f0b7a487a8725d161fe8b3ed73a6758b21e177"
 dependencies = [
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 "syn",
@@ -1508,7 +1119,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
 "cfg-if 1.0.0",
- "value-bag",
 ]

 [[package]]
@@ -1532,15 +1142,6 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"

-[[package]]
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-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "memoffset"
 version = "0.6.5"
@@ -1727,30 +1328,12 @@ version = "11.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"

-[[package]]
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-
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-
 [[package]]
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-
 [[package]]
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@@ -1923,18 +1506,6 @@ version = "0.4.2"
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 checksum = "db8bcd96cb740d03149cbad5518db9fd87126a10ab519c011893b1754134c468"

-[[package]]
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-
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-
 [[package]]
 name = "plotters"
 version = "0.3.4"
@@ -1963,20 +1534,6 @@ dependencies = [
 "plotters-backend",
 ]

-[[package]]
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- "libc",
- "log",
- "wepoll-ffi",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -2248,7 +1805,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.128"
+version = "0.0.145"
 dependencies = [
 "annotate-snippets 0.9.1",
 "anyhow",
@@ -2256,9 +1813,10 @@ dependencies = [
 "atty",
 "bincode",
 "bitflags",
- "cacache",
+ "cachedir",
 "chrono",
 "clap 4.0.22",
+ "clap_complete_command",
 "clearscreen",
 "colored",
 "common-path",
@@ -2266,9 +1824,8 @@ dependencies = [
 "dirs 4.0.0",
 "fern",
 "filetime",
- "fnv",
 "getrandom 0.2.8",
- "glob",
+ "globset",
 "insta",
 "itertools",
 "libcst",
@@ -2281,6 +1838,7 @@ dependencies = [
 "rayon",
 "regex",
 "ropey",
+ "rustc-hash",
 "rustpython-ast",
 "rustpython-common",
 "rustpython-parser",
@@ -2298,7 +1856,7 @@ dependencies = [

 [[package]]
 name = "ruff_dev"
-version = "0.0.128"
+version = "0.0.145"
 dependencies = [
 "anyhow",
 "clap 4.0.22",
@@ -2313,6 +1871,12 @@ dependencies = [
 "strum_macros",
 ]

+[[package]]
+name = "rustc-hash"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
+
 [[package]]
 name = "rustls"
 version = "0.20.7"
@@ -2328,7 +1892,7 @@ dependencies = [
 [[package]]
 name = "rustpython-ast"
 version = "0.1.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 dependencies = [
 "num-bigint",
 "rustpython-common",
@@ -2338,7 +1902,7 @@ dependencies = [
 [[package]]
 name = "rustpython-common"
 version = "0.0.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 dependencies = [
 "ascii",
 "cfg-if 1.0.0",
@@ -2361,7 +1925,7 @@ dependencies = [
 [[package]]
 name = "rustpython-compiler-core"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 dependencies = [
 "bincode",
 "bitflags",
@@ -2378,7 +1942,7 @@ dependencies = [
 [[package]]
 name = "rustpython-parser"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 dependencies = [
 "ahash",
 "anyhow",
@@ -2390,6 +1954,7 @@ dependencies = [
 "num-traits",
 "phf 0.10.1",
 "phf_codegen 0.10.0",
+ "rustc-hash",
 "rustpython-ast",
 "rustpython-compiler-core",
 "thiserror",
@@ -2479,75 +2044,6 @@ dependencies = [
 "serde",
 ]

-[[package]]
-name = "sha-1"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
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- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "99cd6713db3cf16b6c84e06321e049a9b9f699826e16096d23bbcc44d15d51a6"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if 1.0.0",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug 0.3.0",
-]
-
-[[package]]
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-dependencies = [
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- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d58a1e1bf39749807d89cf2d98ac2dfa0ff1cb3faa38fbb64dd88ac8013d800"
-dependencies = [
- "block-buffer 0.9.0",
- "cfg-if 1.0.0",
- "cpufeatures",
- "digest 0.9.0",
- "opaque-debug 0.3.0",
-]
-
-[[package]]
-name = "signal-hook"
-version = "0.3.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a253b5e89e2698464fc26b545c9edceb338e18a89effeeecfea192c3025be29d"
-dependencies = [
- "libc",
- "signal-hook-registry",
-]
-
-[[package]]
-name = "signal-hook-registry"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e51e73328dc4ac0c7ccbda3a494dfa03df1de2f46018127f60c693f2648455b0"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "similar"
 version = "2.2.0"
@@ -2581,37 +2077,12 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f67ad224767faa3c7d8b6d91985b78e70a1324408abcb1cfcc2be4c06bc06043"

-[[package]]
-name = "socket2"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"
-dependencies = [
- "libc",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "spin"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6e63cff320ae2c57904679ba7cb63280a3dc4613885beafb148ee7bf9aa9042d"

-[[package]]
-name = "ssri"
-version = "7.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9cec0d388f39fbe79d7aa600e8d38053bf97b1bc8d350da7c0ba800d0f423f2"
-dependencies = [
- "base64 0.10.1",
- "digest 0.8.1",
- "hex 0.3.2",
- "serde",
- "sha-1 0.8.2",
- "sha2 0.8.2",
- "thiserror",
-]
-
 [[package]]
 name = "static_assertions"
 version = "1.1.0"
@@ -2856,12 +2327,6 @@ dependencies = [
 "static_assertions",
 ]

-[[package]]
-name = "typenum"
-version = "1.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dcf81ac59edc17cc8697ff311e8f5ef2d99fcbd9817b34cec66f90b6c3dfd987"
-
 [[package]]
 name = "unic-char-property"
 version = "0.9.0"
@@ -3000,7 +2465,7 @@ version = "2.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b97acb4c28a254fd7a4aeec976c46a7fa404eac4d7c134b30c75144846d7cb8f"
 dependencies = [
- "base64 0.13.1",
+ "base64",
 "chunked_transfer",
 "flate2",
 "log",
@@ -3024,16 +2489,6 @@ dependencies = [
 "percent-encoding",
 ]

-[[package]]
-name = "value-bag"
-version = "1.0.0-alpha.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2209b78d1249f7e6f3293657c9779fe31ced465df091bbd433a1cf88e916ec55"
-dependencies = [
- "ctor",
- "version_check",
-]
-
 [[package]]
 name = "version_check"
 version = "0.9.4"
@@ -3055,12 +2510,6 @@ dependencies = [
 "libc",
 ]

-[[package]]
-name = "waker-fn"
-version = "1.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9d5b2c62b4012a3e1eca5a7e077d13b3bf498c4073e33ccd58626607748ceeca"
-
 [[package]]
 name = "walkdir"
 version = "2.3.2"
@@ -3109,18 +2558,6 @@ 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"
@@ -3179,15 +2616,6 @@ dependencies = [
 "webpki",
 ]

-[[package]]
-name = "wepoll-ffi"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d743fdedc5c64377b5fc2bc036b01c7fd642205a0d96356034ae3404d49eb7fb"
-dependencies = [
- "cc",
-]
-
 [[package]]
 name = "which"
 version = "4.3.0"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,8 +6,9 @@ members = [

 [package]
 name = "ruff"
-version = "0.0.128"
+version = "0.0.145"
 edition = "2021"
+rust-version = "1.65.0"

 [lib]
 name = "ruff"
@@ -18,17 +19,18 @@ anyhow = { version = "1.0.66" }
 atty = { version = "0.2.14" }
 bincode = { version = "1.3.3" }
 bitflags = { version = "1.3.2" }
+cachedir = { version = "0.3.0" }
 chrono = { version = "0.4.21", default-features = false, features = ["clock"] }
 clap = { version = "4.0.1", features = ["derive"] }
+clap_complete_command = "0.4.0"
 colored = { version = "2.0.0" }
 common-path = { version = "1.0.0" }
 dirs = { version = "4.0.0" }
 fern = { version = "0.6.1" }
 filetime = { version = "0.2.17" }
-fnv = { version = "1.0.7" }
-glob = { version = "0.3.0" }
+globset = {version = "0.4.9" }
 itertools = { version = "0.10.5" }
-libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "a13ec97dd4eb925bde4d426c6e422582793b260c" }
+libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "f2f0b7a487a8725d161fe8b3ed73a6758b21e177" }
 log = { version = "0.4.17" }
 nohash-hasher = { version = "0.2.0" }
 notify = { version = "4.0.17" }
@@ -38,9 +40,10 @@ path-absolutize = { version = "3.0.14", features = ["once_cell_cache", "use_unix
 rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
 ropey = { version = "1.5.0", features = ["cr_lines", "simd"], default-features = false }
-rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
-rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
-rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
+rustc-hash = { version = "1.1.0" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "f885db8c61514f069979861f6b3bd83292086231" }
+rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "f885db8c61514f069979861f6b3bd83292086231" }
+rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "f885db8c61514f069979861f6b3bd83292086231" }
 serde = { version = "1.0.147", features = ["derive"] }
 serde_json = { version = "1.0.87" }
 strum = { version = "0.24.1", features = ["strum_macros"] }
@@ -52,7 +55,6 @@ update-informer = { version = "0.5.0", default-features = false, features = ["py
 walkdir = { version = "2.3.2" }

 [target.'cfg(not(target_family = "wasm"))'.dependencies]
-cacache = { version = "10.0.1" } # uses async-std
 clearscreen = { version = "1.0.10" } # uses which

 # https://docs.rs/getrandom/0.2.7/getrandom/#webassembly-support
--- a/75
+++ b/75
@@ -242,6 +242,56 @@ are:
    SOFTWARE.
  """

+- flake8-debugger, licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2016 Joseph Kahn
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """
+
+- flake8-eradicate, licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2018 Nikita Sobolev
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """
+
 - flake8-tidy-imports, licensed as follows:
  """
    MIT License
@@ -443,3 +493,28 @@ are:
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
  """
+
+- RustPython, licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2020 RustPython Team
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """
--- a/README.md
+++ b/README.md
@@ -20,27 +20,48 @@ An extremely fast Python linter, written in Rust.
 - 🤝  Python 3.10 compatibility
 - 🛠️  `pyproject.toml` support
 - 📦  Built-in caching, to avoid re-analyzing unchanged files
- 🔧  `--fix` support, for automatic error correction (e.g., automatically remove unused imports)
- 👀  `--watch` support, for continuous file monitoring
+- 🔧  Autofix support, for automatic error correction (e.g., automatically remove unused imports)
 - ⚖️  [Near-parity](#how-does-ruff-compare-to-flake8) with the built-in Flake8 rule set
- 🔌  Native re-implementations of popular Flake8 plugins, like [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/) ([`pydocstyle`](https://pypi.org/project/pydocstyle/))
+- 🔌  Native re-implementations of popular Flake8 plugins, like [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/)

 Ruff aims to be orders of magnitude faster than alternative tools while integrating more
 functionality behind a single, common interface. Ruff can be used to replace Flake8 (plus a variety
 of plugins), [`isort`](https://pypi.org/project/isort/), [`pydocstyle`](https://pypi.org/project/pydocstyle/),
-[`yesqa`](https://github.com/asottile/yesqa), and even a subset of [`pyupgrade`](https://pypi.org/project/pyupgrade/)
-and [`autoflake`](https://pypi.org/project/autoflake/) all while executing tens or hundreds of times
-faster than any individual tool.
+[`yesqa`](https://github.com/asottile/yesqa), [`eradicate`](https://pypi.org/project/eradicate/),
+and even a subset of [`pyupgrade`](https://pypi.org/project/pyupgrade/) and [`autoflake`](https://pypi.org/project/autoflake/)
+all while executing tens or hundreds of times faster than any individual tool.

-(Coming from Flake8? Try [`flake8-to-ruff`](https://pypi.org/project/flake8-to-ruff/) to
-automatically convert your existing configuration.)
+Ruff is extremely actively developed and used in major open-source projects like:

-Ruff is actively developed and used in major open-source projects
-like [FastAPI](https://github.com/tiangolo/fastapi), [Zulip](https://github.com/zulip/zulip),
-[pydantic](https://github.com/pydantic/pydantic), and [Saleor](https://github.com/saleor/saleor).
+- [FastAPI](https://github.com/tiangolo/fastapi)
+- [Bokeh](https://github.com/bokeh/bokeh)
+- [Zulip](https://github.com/zulip/zulip)
+- [Pydantic](https://github.com/pydantic/pydantic)
+- [Saleor](https://github.com/saleor/saleor)
+- [Hatch](https://github.com/pypa/hatch)

 Read the [launch blog post](https://notes.crmarsh.com/python-tooling-could-be-much-much-faster).

+## Testimonials
+
+[**Sebastián Ramírez**](https://twitter.com/tiangolo/status/1591912354882764802), creator
+of [FastAPI](https://github.com/tiangolo/fastapi):
+
+> Ruff is so fast that sometimes I add an intentional bug in the code just to confirm it's actually
+> running and checking the code.
+
+[**Bryan Van de Ven**](https://github.com/bokeh/bokeh/pull/12605), co-creator
+of [Bokeh](https://github.com/bokeh/bokeh/), original author
+of [Conda](https://docs.conda.io/en/latest/):
+
+> Ruff is ~150-200x faster than flake8 on my machine, scanning the whole repo takes ~0.2s instead of
+> ~20s. This is an enormous quality of life improvement for local dev. It's fast enough that I added
+> it as an actual commit hook, which is terrific.
+
+[**Tim Abbott**](https://github.com/charliermarsh/ruff/issues/465#issuecomment-1317400028), lead developer of [Zulip](https://github.com/zulip/zulip):
+
+> This is just ridiculously fast... `ruff` is amazing.
+
 ## Table of Contents

 1. [Installation and Usage](#installation-and-usage)
@@ -52,17 +73,19 @@ Read the [launch blog post](https://notes.crmarsh.com/python-tooling-could-be-mu
   1. [pydocstyle (D)](#pydocstyle)
   1. [pyupgrade (U)](#pyupgrade)
   1. [pep8-naming (N)](#pep8-naming)
+   1. [eradicate (ERA)](#eradicate)
   1. [flake8-bandit (S)](#flake8-bandit)
   1. [flake8-comprehensions (C)](#flake8-comprehensions)
+   1. [flake8-boolean-trap (FBT)](#flake8-boolean-trap)
   1. [flake8-bugbear (B)](#flake8-bugbear)
   1. [flake8-builtins (A)](#flake8-builtins)
+   1. [flake8-debugger (T)](#flake8-debugger)
   1. [flake8-tidy-imports (I25)](#flake8-tidy-imports)
   1. [flake8-print (T)](#flake8-print)
   1. [flake8-quotes (Q)](#flake8-quotes)
   1. [flake8-annotations (ANN)](#flake8-annotations)
   1. [flake8-2020 (YTT)](#flake8-2020)
   1. [flake8-blind-except (BLE)](#flake8-blind-except)
-   1. [flake8-boolean-trap (FBT)](#flake8-boolean-trap)
   1. [mccabe (C90)](#mccabe)
   1. [Ruff-specific rules (RUF)](#ruff-specific-rules)
   1. [Meta rules (M)](#meta-rules)
@@ -71,6 +94,7 @@ Read the [launch blog post](https://notes.crmarsh.com/python-tooling-could-be-mu
 1. [Development](#development)
 1. [Releases](#releases)
 1. [Benchmarks](#benchmarks)
+1. [Reference](#reference)
 1. [License](#license)
 1. [Contributing](#contributing)

@@ -78,12 +102,18 @@ Read the [launch blog post](https://notes.crmarsh.com/python-tooling-could-be-mu

 ### Installation

-Available as [`ruff`](https://pypi.org/project/ruff/) on PyPI:
+Ruff is available as [`ruff`](https://pypi.org/project/ruff/) on PyPI:

 ```shell
 pip install ruff
 ```

+If you're a **macOS Homebrew** or a **Linuxbrew** user, you can also install `ruff` via Homebrew:
+
+```shell
+brew install ruff
+```
+
 ### Usage

 To run Ruff, try any of the following:
@@ -105,7 +135,7 @@ Ruff also works with [pre-commit](https://pre-commit.com):
 ```yaml
 repos:
  - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.116
+    rev: v0.0.145
    hooks:
      - id: ruff
 ```
@@ -115,8 +145,10 @@ _Note: prior to `v0.0.86`, `ruff-pre-commit` used `lint` (rather than `ruff`) as

 ## Configuration

-Ruff is configurable both via `pyproject.toml` and the command line. If left unspecified, the
-default configuration is equivalent to:
+Ruff is configurable both via `pyproject.toml` and the command line. For a full list of configurable
+options, see the [API reference](#reference).
+
+If left unspecified, the default configuration is equivalent to:

 ```toml
 [tool.ruff]
@@ -155,6 +187,10 @@ dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"

 # Assume Python 3.10.
 target-version = "py310"
+
+[tool.ruff.mccabe]
+# Unlike Flake8, default to a complexity level of 10.
+max-complexity = 10
 ```

 As an example, the following would configure Ruff to: (1) avoid checking for line-length
@@ -173,8 +209,10 @@ ignore = ["E501"]
 fix = true
 unfixable = ["F401"]

-# Ignore `E402` (import violations in any `__init__.py` file, and in `path/to/file.py`.
-per-file-ignores = {"__init__.py" = ["E402"], "path/to/file.py" = ["E402"]}
+# Ignore `E402` (import violations) in all `__init__.py` files, and in `path/to/file.py`.
+[tool.ruff.per-file-ignores]
+"__init__.py" = ["E402"]
+"path/to/file.py" = ["E402"]
 ```

 Plugin configurations should be expressed as subsections, e.g.:
@@ -188,7 +226,9 @@ select = ["E", "F", "Q"]
 docstring-quotes = "double"
 ```

-Alternatively, common configuration settings can be provided via the command-line:
+For a full list of configurable options, see the [API reference](#reference).
+
+Some common configuration settings can be provided via the command-line:

 ```shell
 ruff path/to/code/ --select F401 --select F403
@@ -265,21 +305,10 @@ Options:
          Print version information
 ```

-### Excluding files
-
-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`).
-
 ### Ignoring errors

 To omit a lint check entirely, add it to the "ignore" list via `--ignore` or `--extend-ignore`,
-either  on the command-line or in your `project.toml` file.
+either on the command-line or in your `project.toml` file.

 To ignore an error in-line, Ruff uses a `noqa` system similar to [Flake8](https://flake8.pycqa.org/en/3.1.1/user/ignoring-errors.html).
 To ignore an individual error, add `# noqa: {code}` to the end of the line, like so:
@@ -344,6 +373,20 @@ For more, see [Pyflakes](https://pypi.org/project/pyflakes/2.5.0/) on PyPI.
 | F405 | ImportStarUsage | `...` may be undefined, or defined from star imports: `...` |  |
 | F406 | ImportStarNotPermitted | `from ... import *` only allowed at module level |  |
 | F407 | FutureFeatureNotDefined | Future feature `...` is not defined |  |
+| F501 | PercentFormatInvalidFormat | '...' % ... has invalid format string: ... |  |
+| F502 | PercentFormatExpectedMapping | '...' % ... expected mapping but got sequence |  |
+| F503 | PercentFormatExpectedSequence | '...' % ... expected sequence but got mapping |  |
+| F504 | PercentFormatExtraNamedArguments | '...' % ... has unused named argument(s): ... |  |
+| F505 | PercentFormatMissingArgument | '...' % ... is missing argument(s) for placeholder(s): ... |  |
+| F506 | PercentFormatMixedPositionalAndNamed | '...' % ... has mixed positional and named placeholders |  |
+| F507 | PercentFormatPositionalCountMismatch | '...' % ... has 4 placeholder(s) but 2 substitution(s) |  |
+| F508 | PercentFormatStarRequiresSequence | '...' % ... `*` specifier requires sequence |  |
+| F509 | PercentFormatUnsupportedFormatCharacter | '...' % ... has unsupported format character 'c' |  |
+| F521 | StringDotFormatInvalidFormat | '...'.format(...) has invalid format string: ... |  |
+| F522 | StringDotFormatExtraNamedArguments | '...'.format(...) has unused named argument(s): ... |  |
+| F523 | StringDotFormatExtraPositionalArguments | '...'.format(...) has unused arguments at position(s): ... |  |
+| F524 | StringDotFormatMissingArguments | '...'.format(...) is missing argument(s) for placeholder(s): ... |  |
+| F525 | StringDotFormatMixingAutomatic | '...'.format(...) mixes automatic and manual numbering |  |
 | F541 | FStringMissingPlaceholders | f-string without any placeholders |  |
 | F601 | MultiValueRepeatedKeyLiteral | Dictionary key literal repeated |  |
 | F602 | MultiValueRepeatedKeyVariable | Dictionary key `...` repeated |  |
@@ -380,7 +423,7 @@ For more, see [pycodestyle](https://pypi.org/project/pycodestyle/2.9.1/) on PyPI
 | E714 | NotIsTest | Test for object identity should be `is not` | 🛠 |
 | E721 | TypeComparison | Do not compare types, use `isinstance()` |  |
 | E722 | DoNotUseBareExcept | Do not use bare `except` |  |
-| E731 | DoNotAssignLambda | Do not assign a lambda expression, use a def |  |
+| E731 | DoNotAssignLambda | Do not assign a lambda expression, use a def | 🛠 |
 | E741 | AmbiguousVariableName | Ambiguous variable name: `...` |  |
 | E742 | AmbiguousClassName | Ambiguous class name: `...` |  |
 | E743 | AmbiguousFunctionName | Ambiguous function name: `...` |  |
@@ -465,7 +508,9 @@ For more, see [pyupgrade](https://pypi.org/project/pyupgrade/3.2.0/) on PyPI.
 | U010 | UnnecessaryFutureImport | Unnecessary `__future__` import `...` for target Python version | 🛠 |
 | U011 | UnnecessaryLRUCacheParams | Unnecessary parameters to `functools.lru_cache` | 🛠 |
 | U012 | UnnecessaryEncodeUTF8 | Unnecessary call to `encode` as UTF-8 | 🛠 |
-| U013 | ConvertTypedDictFunctionalToClass | Convert `TypedDict` functional syntax to class syntax | 🛠 |
+| U013 | ConvertTypedDictFunctionalToClass | Convert `...` from `TypedDict` functional to class syntax | 🛠 |
+| U014 | ConvertNamedTupleFunctionalToClass | Convert `...` from `NamedTuple` functional to class syntax | 🛠 |
+| U015 | RedundantOpenModes | Unnecessary open mode parameters | 🛠 |

 ### pep8-naming

@@ -489,6 +534,14 @@ For more, see [pep8-naming](https://pypi.org/project/pep8-naming/0.13.2/) on PyP
 | N817 | CamelcaseImportedAsAcronym | Camelcase `...` imported as acronym `...` |  |
 | N818 | ErrorSuffixOnExceptionName | Exception name `...` should be named with an Error suffix |  |

+### eradicate
+
+For more, see [eradicate](https://pypi.org/project/eradicate/2.1.0/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| ERA001 | CommentedCode | Found commented-out code | 🛠 |
+
 ### flake8-bandit

 For more, see [flake8-bandit](https://pypi.org/project/flake8-bandit/4.1.1/) on PyPI.
@@ -525,6 +578,14 @@ For more, see [flake8-comprehensions](https://pypi.org/project/flake8-comprehens
 | C416 | UnnecessaryComprehension | Unnecessary `(list\|set)` comprehension (rewrite using `(list\|set)()`) | 🛠 |
 | C417 | UnnecessaryMap | Unnecessary `map` usage (rewrite using a `(list\|set\|dict)` comprehension) |  |

+### flake8-debugger
+
+For more, see [flake8-debugger](https://pypi.org/project/flake8-debugger/4.1.2/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| T100 | Debugger | Import for `...` found |  |
+
 ### flake8-boolean-trap

 For more, see [flake8-boolean-trap](https://pypi.org/project/flake8-boolean-trap/0.1.0/) on PyPI.
@@ -549,10 +610,10 @@ For more, see [flake8-bugbear](https://pypi.org/project/flake8-bugbear/22.10.27/
 | B007 | UnusedLoopControlVariable | Loop control variable `i` not used within the loop body | 🛠 |
 | B008 | FunctionCallArgumentDefault | Do not perform function call in argument defaults |  |
 | B009 | GetAttrWithConstant | Do not call `getattr` with a constant attribute value. It is not any safer than normal property access. | 🛠 |
-| B010 | SetAttrWithConstant | Do not call `setattr` with a constant attribute value. It is not any safer than normal property access. |  |
+| B010 | SetAttrWithConstant | Do not call `setattr` with a constant attribute value. It is not any safer than normal property access. | 🛠 |
 | B011 | DoNotAssertFalse | Do not `assert False` (`python -O` removes these calls), raise `AssertionError()` | 🛠 |
 | B012 | JumpStatementInFinally | `return/continue/break` inside finally blocks cause exceptions to be silenced |  |
-| B013 | RedundantTupleInExceptionHandler | A length-one tuple literal is redundant. Write `except ValueError` instead of `except (ValueError,)`. |  |
+| B013 | RedundantTupleInExceptionHandler | A length-one tuple literal is redundant. Write `except ValueError` instead of `except (ValueError,)`. | 🛠 |
 | B014 | DuplicateHandlerException | Exception handler with duplicate exception: `ValueError` | 🛠 |
 | B015 | UselessComparison | Pointless comparison. This comparison does nothing but waste CPU instructions. Either prepend `assert` or remove it. |  |
 | B016 | CannotRaiseLiteral | Cannot raise a literal. Did you intend to return it or raise an Exception? |  |
@@ -562,10 +623,12 @@ For more, see [flake8-bugbear](https://pypi.org/project/flake8-bugbear/22.10.27/
 | B020 | LoopVariableOverridesIterator | Loop control variable `...` overrides iterable it iterates |  |
 | B021 | FStringDocstring | f-string used as docstring. This will be interpreted by python as a joined string rather than a docstring. |  |
 | B022 | UselessContextlibSuppress | No arguments passed to `contextlib.suppress`. No exceptions will be suppressed and therefore this context manager is redundant |  |
+| B023 | FunctionUsesLoopVariable | Function definition does not bind loop variable `...` |  |
 | B024 | AbstractBaseClassWithoutAbstractMethod | `...` is an abstract base class, but it has no abstract methods |  |
 | B025 | DuplicateTryBlockException | try-except block with duplicate exception `Exception` |  |
 | B026 | StarArgUnpackingAfterKeywordArg | Star-arg unpacking after a keyword argument is strongly discouraged |  |
 | B027 | EmptyMethodWithoutAbstractDecorator | `...` is an empty method in an abstract base class, but has no abstract decorator |  |
+| B904 | RaiseWithoutFromInsideExcept | Within an except clause, raise exceptions with raise ... from err or raise ... from None to distinguish them from errors in exception handling |  |

 ### flake8-builtins

@@ -663,6 +726,7 @@ For more, see [mccabe](https://pypi.org/project/mccabe/0.7.0/) 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'?) |  |
+| RUF101 | ConvertExitToSysExit | `exit()` is only available in the interpreter, use `sys.exit()` instead | 🛠 |

 ### Meta rules

@@ -793,42 +857,44 @@ stylistic lint rules that are obviated by autoformatting.
 (Coming from Flake8? Try [`flake8-to-ruff`](https://pypi.org/project/flake8-to-ruff/) to
 automatically convert your existing configuration.)

-Ruff can be used as a (near) drop-in replacement for Flake8 when used (1) without or with a small
-number of plugins, (2) alongside Black, and (3) on Python 3 code.
+Ruff can be used as a drop-in replacement for Flake8 when used (1) without or with a small number of
+plugins, (2) alongside Black, and (3) on Python 3 code.

-Under those conditions Ruff is missing 14 rules related to string `.format` calls, 1 rule related
-to docstring parsing, and 1 rule related to redefined variables.
+Under those conditions, Ruff implements every rule in Flake8, with the exception of `F811`.

-Ruff re-implements some of the most popular Flake8 plugins and related code quality tools natively,
-including:
+Ruff also re-implements some of the most popular Flake8 plugins and related code quality tools
+natively, including:

+- [`isort`](https://pypi.org/project/isort/)
 - [`pydocstyle`](https://pypi.org/project/pydocstyle/)
 - [`pep8-naming`](https://pypi.org/project/pep8-naming/)
- [`yesqa`](https://github.com/asottile/yesqa)
- [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/)
- [`flake8-builtins`](https://pypi.org/project/flake8-builtins/)
- [`flake8-super`](https://pypi.org/project/flake8-super/)
- [`flake8-tidy-imports`](https://pypi.org/project/flake8-tidy-imports/) (1/3)
- [`flake8-print`](https://pypi.org/project/flake8-print/)
- [`flake8-quotes`](https://pypi.org/project/flake8-quotes/)
- [`flake8-annotations`](https://pypi.org/project/flake8-annotations/)
- [`flake8-comprehensions`](https://pypi.org/project/flake8-comprehensions/)
- [`flake8-bandit`](https://pypi.org/project/flake8-bandit/) (6/40)
- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/) (25/32)
 - [`flake8-2020`](https://pypi.org/project/flake8-2020/)
+- [`flake8-annotations`](https://pypi.org/project/flake8-annotations/)
+- [`flake8-bandit`](https://pypi.org/project/flake8-bandit/) (6/40)
 - [`flake8-blind-except`](https://pypi.org/project/flake8-blind-except/)
 - [`flake8-boolean-trap`](https://pypi.org/project/flake8-boolean-trap/)
+- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/)
+- [`flake8-builtins`](https://pypi.org/project/flake8-builtins/)
+- [`flake8-comprehensions`](https://pypi.org/project/flake8-comprehensions/)
+- [`flake8-debugger`](https://pypi.org/project/flake8-debugger/)
+- [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/)
+- [`flake8-eradicate`](https://pypi.org/project/flake8-eradicate/)
+- [`flake8-print`](https://pypi.org/project/flake8-print/)
+- [`flake8-quotes`](https://pypi.org/project/flake8-quotes/)
+- [`flake8-super`](https://pypi.org/project/flake8-super/)
+- [`flake8-tidy-imports`](https://pypi.org/project/flake8-tidy-imports/) (1/3)
 - [`mccabe`](https://pypi.org/project/mccabe/)
- [`isort`](https://pypi.org/project/isort/)
- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (14/33)
+- [`yesqa`](https://github.com/asottile/yesqa)
+- [`eradicate`](https://pypi.org/project/eradicate/)
+- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (16/33)
 - [`autoflake`](https://pypi.org/project/autoflake/) (1/7)

-Beyond rule-set parity, Ruff suffers from the following limitations vis-à-vis Flake8:
+Beyond the rule set, Ruff suffers from the following limitations vis-à-vis Flake8:

 1. Ruff does not yet support a few Python 3.9 and 3.10 language features, including structural
   pattern matching and parenthesized context managers.
-2. Flake8 has a plugin architecture and supports writing custom lint rules. (To date, popular Flake8
-   plugins have been re-implemented within Ruff directly.)
+2. Flake8 has a plugin architecture and supports writing custom lint rules. (Instead, popular Flake8
+   plugins are re-implemented in Rust as part of Ruff itself.)

 ### Which tools does Ruff replace?

@@ -836,23 +902,25 @@ Today, Ruff can be used to replace Flake8 when used with any of the following pl

 - [`pydocstyle`](https://pypi.org/project/pydocstyle/)
 - [`pep8-naming`](https://pypi.org/project/pep8-naming/)
- [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/)
- [`flake8-builtins`](https://pypi.org/project/flake8-builtins/)
- [`flake8-super`](https://pypi.org/project/flake8-super/)
- [`flake8-tidy-imports`](https://pypi.org/project/flake8-tidy-imports/) (1/3)
- [`flake8-print`](https://pypi.org/project/flake8-print/)
- [`flake8-quotes`](https://pypi.org/project/flake8-quotes/)
+- [`flake8-2020`](https://pypi.org/project/flake8-2020/)
 - [`flake8-annotations`](https://pypi.org/project/flake8-annotations/)
 - [`flake8-bandit`](https://pypi.org/project/flake8-bandit/) (6/40)
- [`flake8-comprehensions`](https://pypi.org/project/flake8-comprehensions/)
- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/) (26/32)
- [`flake8-2020`](https://pypi.org/project/flake8-2020/)
 - [`flake8-blind-except`](https://pypi.org/project/flake8-blind-except/)
 - [`flake8-boolean-trap`](https://pypi.org/project/flake8-boolean-trap/)
+- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/)
+- [`flake8-builtins`](https://pypi.org/project/flake8-builtins/)
+- [`flake8-comprehensions`](https://pypi.org/project/flake8-comprehensions/)
+- [`flake8-debugger`](https://pypi.org/project/flake8-debugger/)
+- [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/)
+- [`flake8-eradicate`](https://pypi.org/project/flake8-eradicate/)
+- [`flake8-print`](https://pypi.org/project/flake8-print/)
+- [`flake8-quotes`](https://pypi.org/project/flake8-quotes/)
+- [`flake8-super`](https://pypi.org/project/flake8-super/)
+- [`flake8-tidy-imports`](https://pypi.org/project/flake8-tidy-imports/) (1/3)
 - [`mccabe`](https://pypi.org/project/mccabe/)

 Ruff can also replace [`isort`](https://pypi.org/project/isort/), [`yesqa`](https://github.com/asottile/yesqa),
-and a subset of the rules implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (14/33).
+and a subset of the rules implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (16/33).

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

@@ -891,7 +959,7 @@ select = [
    "E",
    "W",
    # isort
-    "I"
+    "I001"
 ]
 src = ["src", "tests"]

@@ -1130,6 +1198,614 @@ Summary
  389.73 ± 9.92 times faster than 'flake8 resources/test/cpython'
 ```

+## Reference
+
+### Options
+
+#### [`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.
+
+**Default value**: `"^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"` (matches `_`, `__`, and `_var`, but not `_var_`)
+
+**Type**: `Regex`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Only ignore variables named "_".
+dummy_variable_rgx = "^_$"
+```
+
+---
+
+#### [`exclude`](#exclude)
+
+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`).
+
+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"]`
+
+**Type**: `Vec<FilePattern>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+exclude = [".venv"]
+````
+
+---
+
+#### [`extend_exclude`](#extend_exclude)
+
+A list of file patterns to omit from linting, in addition to those specified by `exclude`.
+
+**Default value**: `[]`
+
+**Type**: `Vec<FilePattern>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# In addition to the standard set of exclusions, omit all tests, plus a specific file.
+extend-exclude = ["tests", "src/bad.py"]
+````
+
+---
+
+#### [`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.
+
+When breaking ties between enabled and disabled checks (via `select` and `ignore`, respectively),
+more specific prefixes override less specific prefixes.
+
+**Default value**: `[]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Skip unused variable checks (`F841`).
+ignore = ["F841"]
+```
+
+---
+
+#### [`extend_ignore`](#extend_ignore)
+
+A list of check code prefixes to ignore, in addition to those specified by `ignore`.
+
+**Default value**: `[]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Skip unused variable checks (`F841`).
+extend-ignore = ["F841"]
+```
+
+---
+
+#### [`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.
+
+When breaking ties between enabled and disabled checks (via `select` and `ignore`, respectively),
+more specific prefixes override less specific prefixes.
+
+**Default value**: `["E", "F"]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# On top of the defaults (`E`, `F`), enable flake8-bugbear (`B`) and flake8-quotes (`Q`).
+select = ["E", "F", "B", "Q"]
+```
+
+---
+
+#### [`extend_select`](#extend_select)
+
+A list of check code prefixes to enable, in addition to those specified by `select`.
+
+**Default value**: `[]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# On top of the default `select` (`E`, `F`), enable flake8-bugbear (`B`) and flake8-quotes (`Q`).
+extend-select = ["B", "Q"]
+```
+
+---
+
+#### [`fix`](#fix)
+
+Enable autofix behavior by-default when running `ruff` (overridden by the `--fix` and `--no-fix`
+command-line flags).
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+fix = true
+```
+
+---
+
+#### [`fixable`](#fixable)
+
+A list of check code prefixes to consider autofix-able.
+
+**Default value**: `["A", "ANN", "B", "BLE", "C", "D", "E", "F", "FBT", "I", "M", "N", "Q", "RUF", "S", "T", "U", "W", "YTT"]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Only allow autofix behavior for `E` and `F` checks.
+fixable = ["E", "F"]
+```
+
+---
+
+#### [`unfixable`](#unfixable)
+
+A list of check code prefixes to consider un-autofix-able.
+
+**Default value**: `[]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Disable autofix for unused imports (`F401`).
+unfixable = ["F401"]
+```
+
+---
+
+#### [`line_length`](#line_length)
+
+The line length to use when enforcing long-lines violations (like E501).
+
+**Default value**: `88`
+
+**Type**: `usize`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Allow lines to be as long as 120 characters.
+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.
+
+**Default value**: `{}`
+
+**Type**: `HashMap<String, Vec<CheckCodePrefix>>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Ignore `E402` (import violations) in all `__init__.py` files, and in `path/to/file.py`.
+[tool.ruff.per-file-ignores]
+"__init__.py" = ["E402"]
+"path/to/file.py" = ["E402"]
+```
+
+---
+
+#### [`show_source`](#show_source)
+
+Whether to show source code snippets when reporting lint error violations (overridden by the
+`--show-source` command-line flag).
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# By default, always show source code snippets.
+show_source = true
+```
+
+---
+
+#### [`src`](#src)
+
+The source code paths to consider, e.g., when resolving first- vs. third-party imports.
+
+**Default value**: `["."]`
+
+**Type**: `Vec<PathBuf>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Allow imports relative to the "src" and "test" directories.
+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).
+
+**Default value**: `"py310"`
+
+**Type**: `PythonVersion`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Always generate Python 3.7-compatible code.
+target-version = "py37"
+```
+
+### `flake8-annotations`
+
+#### [`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.
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-annotations]
+mypy_init_return = true
+```
+
+---
+
+#### [`suppress_dummy_args`](#suppress_dummy_args)
+
+Whether to suppress `ANN000`-level errors for arguments matching the "dummy" variable regex (like
+`_`).
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-annotations]
+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:
+
+- Contain no `return` statement.
+- Explicit `return` statement(s) all return `None` (explicitly or implicitly).
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-annotations]
+suppress_none_returning = true
+```
+
+---
+
+#### [`allow_star_arg_any`](#allow_star_arg_any)
+
+Whether to suppress `ANN401` for dynamically typed `*args` and `**kwargs` arguments.
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-annotations]
+allow_star_arg_any = true
+```
+
+### `flake8-bugbear`
+
+#### [`extend_immutable_calls`](#extend_immutable_calls)
+
+Additional callable functions to consider "immutable" when evaluating, e.g., no-mutable-default-argument
+checks (`B006`).
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-bugbear]
+# Allow default arguments like, e.g., `data: List[str] = fastapi.Query(None)`.
+extend-immutable-calls = ["fastapi.Depends", "fastapi.Query"]
+```
+
+### `flake8-quotes`
+
+#### [`inline_quotes`](#inline_quotes)
+
+Quote style to prefer for inline strings (either "single" (`'`) or "double" (`"`)).
+
+**Default value**: `"double"`
+
+**Type**: `Quote`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-quotes]
+inline-quotes = "single"
+```
+
+---
+
+#### [`multiline_quotes`](#multiline_quotes)
+
+Quote style to prefer for multiline strings (either "single" (`'`) or "double" (`"`)).
+
+**Default value**: `"double"`
+
+**Type**: `Quote`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-quotes]
+multiline-quotes = "single"
+```
+
+---
+
+#### [`docstring_quotes`](#docstring_quotes)
+
+Quote style to prefer for docstrings (either "single" (`'`) or "double" (`"`)).
+
+**Default value**: `"double"`
+
+**Type**: `Quote`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-quotes]
+docstring-quotes = "single"
+```
+
+---
+
+#### [`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). This minimizes the
+need to escape quotation marks within strings.
+
+**Default value**: `true`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-quotes]
+# Don't bother trying to avoid escapes.
+avoid-escape = false
+```
+
+### `flake8-tidy-imports`
+
+#### [`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"`).
+
+**Default value**: `"parents"`
+
+**Type**: `Strictness`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-tidy-imports]
+# Disallow all relative imports.
+ban-relative-imports = "all"
+```
+
+### `isort`
+
+#### [`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.
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+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.
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+known-third-party = ["fastapi"]
+```
+
+---
+
+#### [`extra_standard_library`](extra_standard_library)
+
+A list of modules to consider standard-library, in addition to those known to Ruff in advance.
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+extra-standard-library = ["path"]
+```
+
+### `mccabe`
+
+#### [`max_complexity`](#max_complexity)
+
+The maximum McCabe complexity to allow before triggering `C901` errors.
+
+**Default value**: `10`
+
+**Type**: `usize`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-tidy-imports]
+# Flag errors (`C901`) whenever the complexity level exceeds 5.
+max-complexity = 5
+```
+
+### `pep8-naming`
+
+#### [`ignore_names`](#ignore_names)
+
+A list of names to ignore when considering `pep8-naming` violations.
+
+**Default value**: `["setUp", "tearDown", "setUpClass", "tearDownClass", "setUpModule", "tearDownModule", "asyncSetUp", "asyncTearDown", "setUpTestData", "failureException", "longMessage", "maxDiff"]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.pep8-naming]
+ignore-names = ["callMethod"]
+```
+
+---
+
+#### [`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.
+
+**Default value**: `["classmethod"]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.pep8-naming]
+# Allow Pydantic's `@validator` decorator to trigger class method treatment.
+classmethod-decorators = ["classmethod", "pydantic.validator"]
+```
+
+---
+
+#### [`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.
+
+**Default value**: `["staticmethod"]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.pep8-naming]
+# Allow a shorthand alias, `@stcmthd`, to trigger static method treatment.
+staticmethod-decorators = ["staticmethod", "stcmthd"]
+```
+
 ## License

 MIT
--- a/benches/source_code_locator.rs
+++ b/benches/source_code_locator.rs
@@ -10,7 +10,7 @@ fn criterion_benchmark(c: &mut Criterion) {
        b.iter(|| {
            let rope = Rope::from_str(black_box(&contents));
            rope.line_to_char(black_box(4));
-        })
+        });
    });
 }

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

 [[package]]
 name = "flake8_to_ruff"
-version = "0.0.128"
+version = "0.0.145"
 dependencies = [
 "anyhow",
 "clap",
@@ -1265,7 +1265,7 @@ checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
 [[package]]
 name = "libcst"
 version = "0.1.0"
-source = "git+https://github.com/charliermarsh/LibCST?rev=a13ec97dd4eb925bde4d426c6e422582793b260c#a13ec97dd4eb925bde4d426c6e422582793b260c"
+source = "git+https://github.com/charliermarsh/LibCST?rev=f2f0b7a487a8725d161fe8b3ed73a6758b21e177#f2f0b7a487a8725d161fe8b3ed73a6758b21e177"
 dependencies = [
 "chic",
 "itertools",
@@ -1280,7 +1280,7 @@ dependencies = [
 [[package]]
 name = "libcst_derive"
 version = "0.1.0"
-source = "git+https://github.com/charliermarsh/LibCST?rev=a13ec97dd4eb925bde4d426c6e422582793b260c#a13ec97dd4eb925bde4d426c6e422582793b260c"
+source = "git+https://github.com/charliermarsh/LibCST?rev=f2f0b7a487a8725d161fe8b3ed73a6758b21e177#f2f0b7a487a8725d161fe8b3ed73a6758b21e177"
 dependencies = [
 "quote",
 "syn",
@@ -1975,7 +1975,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.128"
+version = "0.0.145"
 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=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 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=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 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=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 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=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
+source = "git+https://github.com/RustPython/RustPython.git?rev=f885db8c61514f069979861f6b3bd83292086231#f885db8c61514f069979861f6b3bd83292086231"
 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 = "0.0.128-dev.0"
+version = "0.0.145-dev.0"
 edition = "2021"

 [lib]
@@ -10,10 +10,10 @@ name = "flake8_to_ruff"
 anyhow = { version = "1.0.66" }
 clap = { version = "4.0.1", features = ["derive"] }
 configparser = { version = "3.0.2" }
-fnv = { version = "1.0.7" }
 once_cell = { version = "1.16.0" }
 regex = { version = "1.6.0" }
 ruff = { path = "..", default-features = false }
+rustc-hash = { version = "1.1.0" }
 serde = { version = "1.0.147", features = ["derive"] }
 serde_json = { version = "1.0.87" }
 toml = { version = "0.5.9" }
--- a/flake8_to_ruff/pyproject.toml
+++ b/flake8_to_ruff/pyproject.toml
@@ -25,7 +25,7 @@ requires-python = ">=3.7"
 repository = "https://github.com/charliermarsh/ruff#subdirectory=crates/flake8_to_ruff"

 [build-system]
-requires = ["maturin>=0.13,<0.14"]
+requires = ["maturin>=0.14,<0.15"]
 build-backend = "maturin"

 [tool.maturin]
--- a/flake8_to_ruff/src/converter.rs
+++ b/flake8_to_ruff/src/converter.rs
@@ -18,7 +18,7 @@ pub fn convert(
    plugins: Option<Vec<Plugin>>,
 ) -> Result<Pyproject> {
    // Extract all referenced check code prefixes, to power plugin inference.
-    let mut referenced_codes: BTreeSet<CheckCodePrefix> = Default::default();
+    let mut referenced_codes: BTreeSet<CheckCodePrefix> = BTreeSet::default();
    for (key, value) in flake8 {
        if let Some(value) = value {
            match key.as_str() {
@@ -70,13 +70,13 @@ pub fn convert(
        .unwrap_or_default();

    // Parse each supported option.
-    let mut options: Options = Default::default();
-    let mut flake8_annotations: flake8_annotations::settings::Options = Default::default();
-    let mut flake8_bugbear: flake8_bugbear::settings::Options = Default::default();
-    let mut flake8_quotes: flake8_quotes::settings::Options = Default::default();
-    let mut flake8_tidy_imports: flake8_tidy_imports::settings::Options = Default::default();
-    let mut mccabe: mccabe::settings::Options = Default::default();
-    let mut pep8_naming: pep8_naming::settings::Options = Default::default();
+    let mut options = Options::default();
+    let mut flake8_annotations = flake8_annotations::settings::Options::default();
+    let mut flake8_bugbear = flake8_bugbear::settings::Options::default();
+    let mut flake8_quotes = flake8_quotes::settings::Options::default();
+    let mut flake8_tidy_imports = flake8_tidy_imports::settings::Options::default();
+    let mut mccabe = mccabe::settings::Options::default();
+    let mut pep8_naming = pep8_naming::settings::Options::default();
    for (key, value) in flake8 {
        if let Some(value) = value {
            match key.as_str() {
@@ -110,7 +110,7 @@ pub fn convert(
                    match parser::parse_files_to_codes_mapping(value.as_ref()) {
                        Ok(per_file_ignores) => {
                            options.per_file_ignores =
-                                Some(parser::collect_per_file_ignores(per_file_ignores))
+                                Some(parser::collect_per_file_ignores(per_file_ignores));
                        }
                        Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
                    }
@@ -181,7 +181,7 @@ pub fn convert(
                "ban-relative-imports" | "ban_relative_imports" => match value.trim() {
                    "true" => flake8_tidy_imports.ban_relative_imports = Some(Strictness::All),
                    "parents" => {
-                        flake8_tidy_imports.ban_relative_imports = Some(Strictness::Parents)
+                        flake8_tidy_imports.ban_relative_imports = Some(Strictness::Parents);
                    }
                    _ => eprintln!("Unexpected '{key}' value: {value}"),
                },
@@ -203,22 +203,22 @@ pub fn convert(
    // Deduplicate and sort.
    options.select = Some(Vec::from_iter(select));
    options.ignore = Some(Vec::from_iter(ignore));
-    if flake8_annotations != Default::default() {
+    if flake8_annotations != flake8_annotations::settings::Options::default() {
        options.flake8_annotations = Some(flake8_annotations);
    }
-    if flake8_bugbear != Default::default() {
+    if flake8_bugbear != flake8_bugbear::settings::Options::default() {
        options.flake8_bugbear = Some(flake8_bugbear);
    }
-    if flake8_quotes != Default::default() {
+    if flake8_quotes != flake8_quotes::settings::Options::default() {
        options.flake8_quotes = Some(flake8_quotes);
    }
-    if flake8_tidy_imports != Default::default() {
+    if flake8_tidy_imports != flake8_tidy_imports::settings::Options::default() {
        options.flake8_tidy_imports = Some(flake8_tidy_imports);
    }
-    if mccabe != Default::default() {
+    if mccabe != mccabe::settings::Options::default() {
        options.mccabe = Some(mccabe);
    }
-    if pep8_naming != Default::default() {
+    if pep8_naming != pep8_naming::settings::Options::default() {
        options.pep8_naming = Some(pep8_naming);
    }

--- a/flake8_to_ruff/src/lib.rs
+++ b/flake8_to_ruff/src/lib.rs
@@ -1,4 +1,15 @@
-#![allow(clippy::collapsible_if, clippy::collapsible_else_if)]
+#![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
+)]

 pub mod converter;
 mod parser;
--- a/flake8_to_ruff/src/main.rs
+++ b/flake8_to_ruff/src/main.rs
@@ -1,4 +1,16 @@
 //! Utility to generate Ruff's pyproject.toml section from a Flake8 INI file.
+#![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::path::PathBuf;

--- a/flake8_to_ruff/src/parser.rs
+++ b/flake8_to_ruff/src/parser.rs
@@ -1,11 +1,11 @@
 use std::str::FromStr;

 use anyhow::Result;
-use fnv::FnvHashMap;
 use once_cell::sync::Lazy;
 use regex::Regex;
 use ruff::checks_gen::CheckCodePrefix;
 use ruff::settings::types::PatternPrefixPair;
+use rustc_hash::FxHashMap;

 static COMMA_SEPARATED_LIST_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"[,\s]").unwrap());

@@ -31,7 +31,7 @@ pub fn parse_prefix_codes(value: &str) -> Vec<CheckCodePrefix> {
 pub fn parse_strings(value: &str) -> Vec<String> {
    COMMA_SEPARATED_LIST_RE
        .split(value)
-        .map(|part| part.trim())
+        .map(str::trim)
        .filter(|part| !part.is_empty())
        .map(String::from)
        .collect()
@@ -92,7 +92,7 @@ impl State {
                        });
                    }
                }
-                Err(_) => eprintln!("Skipping unrecognized prefix: {}", code),
+                Err(_) => eprintln!("Skipping unrecognized prefix: {code}"),
            }
        }
        codes
@@ -129,14 +129,14 @@ fn tokenize_files_to_codes_mapping(value: &str) -> Vec<Token> {
    }
    tokens.push(Token {
        token_name: TokenType::Eof,
-        src: "".to_string(),
+        src: String::new(),
    });
    tokens
 }

 /// Parse a 'files-to-codes' mapping, mimicking Flake8's internal logic.
 ///
-/// See: https://github.com/PyCQA/flake8/blob/7dfe99616fc2f07c0017df2ba5fa884158f3ea8a/src/flake8/utils.py#L45
+/// See: <https://github.com/PyCQA/flake8/blob/7dfe99616fc2f07c0017df2ba5fa884158f3ea8a/src/flake8/utils.py#L45>
 pub fn parse_files_to_codes_mapping(value: &str) -> Result<Vec<PatternPrefixPair>> {
    if value.trim().is_empty() {
        return Ok(vec![]);
@@ -179,8 +179,8 @@ pub fn parse_files_to_codes_mapping(value: &str) -> Result<Vec<PatternPrefixPair
 /// Collect a list of `PatternPrefixPair` structs as a `BTreeMap`.
 pub fn collect_per_file_ignores(
    pairs: Vec<PatternPrefixPair>,
-) -> FnvHashMap<String, Vec<CheckCodePrefix>> {
-    let mut per_file_ignores: FnvHashMap<String, Vec<CheckCodePrefix>> = FnvHashMap::default();
+) -> FxHashMap<String, Vec<CheckCodePrefix>> {
+    let mut per_file_ignores: FxHashMap<String, Vec<CheckCodePrefix>> = FxHashMap::default();
    for pair in pairs {
        per_file_ignores
            .entry(pair.pattern)
--- a/flake8_to_ruff/src/plugin.rs
+++ b/flake8_to_ruff/src/plugin.rs
@@ -6,17 +6,19 @@ use ruff::checks_gen::CheckCodePrefix;

 #[derive(Debug, Clone, Ord, PartialOrd, Eq, PartialEq)]
 pub enum Plugin {
+    Flake8Annotations,
    Flake8Bandit,
+    Flake8BlindExcept,
    Flake8Bugbear,
    Flake8Builtins,
    Flake8Comprehensions,
+    Flake8Debugger,
    Flake8Docstrings,
-    Flake8TidyImports,
+    Flake8Eradicate,
    Flake8Print,
    Flake8Quotes,
-    Flake8Annotations,
+    Flake8TidyImports,
    McCabe,
-    Flake8BlindExcept,
    PEP8Naming,
    Pyupgrade,
 }
@@ -26,16 +28,18 @@ impl FromStr for Plugin {

    fn from_str(string: &str) -> Result<Self, Self::Err> {
        match string {
+            "flake8-annotations" => Ok(Plugin::Flake8Annotations),
            "flake8-bandit" => Ok(Plugin::Flake8Bandit),
+            "flake8-blind-except" => Ok(Plugin::Flake8BlindExcept),
            "flake8-bugbear" => Ok(Plugin::Flake8Bugbear),
            "flake8-builtins" => Ok(Plugin::Flake8Builtins),
            "flake8-comprehensions" => Ok(Plugin::Flake8Comprehensions),
+            "flake8-debugger" => Ok(Plugin::Flake8Debugger),
            "flake8-docstrings" => Ok(Plugin::Flake8Docstrings),
-            "flake8-tidy-imports" => Ok(Plugin::Flake8TidyImports),
+            "flake8-eradicate" => Ok(Plugin::Flake8BlindExcept),
            "flake8-print" => Ok(Plugin::Flake8Print),
            "flake8-quotes" => Ok(Plugin::Flake8Quotes),
-            "flake8-annotations" => Ok(Plugin::Flake8Annotations),
-            "flake8-blind-except" => Ok(Plugin::Flake8BlindExcept),
+            "flake8-tidy-imports" => Ok(Plugin::Flake8TidyImports),
            "mccabe" => Ok(Plugin::McCabe),
            "pep8-naming" => Ok(Plugin::PEP8Naming),
            "pyupgrade" => Ok(Plugin::Pyupgrade),
@@ -47,16 +51,18 @@ impl FromStr for Plugin {
 impl Plugin {
    pub fn default(&self) -> CheckCodePrefix {
        match self {
+            Plugin::Flake8Annotations => CheckCodePrefix::ANN,
            Plugin::Flake8Bandit => CheckCodePrefix::S,
+            Plugin::Flake8BlindExcept => CheckCodePrefix::BLE,
            Plugin::Flake8Bugbear => CheckCodePrefix::B,
            Plugin::Flake8Builtins => CheckCodePrefix::A,
            Plugin::Flake8Comprehensions => CheckCodePrefix::C4,
+            Plugin::Flake8Debugger => CheckCodePrefix::T1,
            Plugin::Flake8Docstrings => CheckCodePrefix::D,
-            Plugin::Flake8TidyImports => CheckCodePrefix::I25,
-            Plugin::Flake8Print => CheckCodePrefix::T,
+            Plugin::Flake8Eradicate => CheckCodePrefix::ERA,
+            Plugin::Flake8Print => CheckCodePrefix::T2,
            Plugin::Flake8Quotes => CheckCodePrefix::Q,
-            Plugin::Flake8Annotations => CheckCodePrefix::ANN,
-            Plugin::Flake8BlindExcept => CheckCodePrefix::BLE,
+            Plugin::Flake8TidyImports => CheckCodePrefix::I25,
            Plugin::McCabe => CheckCodePrefix::C9,
            Plugin::PEP8Naming => CheckCodePrefix::N,
            Plugin::Pyupgrade => CheckCodePrefix::U,
@@ -65,10 +71,13 @@ impl Plugin {

    pub fn select(&self, flake8: &HashMap<String, Option<String>>) -> Vec<CheckCodePrefix> {
        match self {
+            Plugin::Flake8Annotations => vec![CheckCodePrefix::ANN],
            Plugin::Flake8Bandit => vec![CheckCodePrefix::S],
+            Plugin::Flake8BlindExcept => vec![CheckCodePrefix::BLE],
            Plugin::Flake8Bugbear => vec![CheckCodePrefix::B],
            Plugin::Flake8Builtins => vec![CheckCodePrefix::A],
            Plugin::Flake8Comprehensions => vec![CheckCodePrefix::C4],
+            Plugin::Flake8Debugger => vec![CheckCodePrefix::T1],
            Plugin::Flake8Docstrings => {
                // Use the user-provided docstring.
                for key in ["docstring-convention", "docstring_convention"] {
@@ -85,11 +94,10 @@ impl Plugin {
                // Default to PEP8.
                DocstringConvention::PEP8.select()
            }
-            Plugin::Flake8TidyImports => vec![CheckCodePrefix::I25],
-            Plugin::Flake8Print => vec![CheckCodePrefix::T],
+            Plugin::Flake8Eradicate => vec![CheckCodePrefix::ERA],
+            Plugin::Flake8Print => vec![CheckCodePrefix::T2],
            Plugin::Flake8Quotes => vec![CheckCodePrefix::Q],
-            Plugin::Flake8Annotations => vec![CheckCodePrefix::ANN],
-            Plugin::Flake8BlindExcept => vec![CheckCodePrefix::BLE],
+            Plugin::Flake8TidyImports => vec![CheckCodePrefix::I25],
            Plugin::McCabe => vec![CheckCodePrefix::C9],
            Plugin::PEP8Naming => vec![CheckCodePrefix::N],
            Plugin::Pyupgrade => vec![CheckCodePrefix::U],
@@ -277,31 +285,6 @@ pub fn infer_plugins_from_options(flake8: &HashMap<String, Option<String>>) -> V
    let mut plugins = BTreeSet::new();
    for key in flake8.keys() {
        match key.as_str() {
-            // flake8-docstrings
-            "docstring-convention" | "docstring_convention" => {
-                plugins.insert(Plugin::Flake8Docstrings);
-            }
-            // flake8-bugbear
-            "extend-immutable-calls" | "extend_immutable_calls" => {
-                plugins.insert(Plugin::Flake8Bugbear);
-            }
-            // flake8-builtins
-            "builtins-ignorelist" | "builtins_ignorelist" => {
-                plugins.insert(Plugin::Flake8Builtins);
-            }
-            // flake8-quotes
-            "quotes" | "inline-quotes" | "inline_quotes" => {
-                plugins.insert(Plugin::Flake8Quotes);
-            }
-            "multiline-quotes" | "multiline_quotes" => {
-                plugins.insert(Plugin::Flake8Quotes);
-            }
-            "docstring-quotes" | "docstring_quotes" => {
-                plugins.insert(Plugin::Flake8Quotes);
-            }
-            "avoid-escape" | "avoid_escape" => {
-                plugins.insert(Plugin::Flake8Quotes);
-            }
            // flake8-annotations
            "suppress-none-returning" | "suppress_none_returning" => {
                plugins.insert(Plugin::Flake8Annotations);
@@ -327,6 +310,41 @@ pub fn infer_plugins_from_options(flake8: &HashMap<String, Option<String>>) -> V
            "allow-star-arg-any" | "allow_star_arg_any" => {
                plugins.insert(Plugin::Flake8Annotations);
            }
+            // flake8-bugbear
+            "extend-immutable-calls" | "extend_immutable_calls" => {
+                plugins.insert(Plugin::Flake8Bugbear);
+            }
+            // flake8-builtins
+            "builtins-ignorelist" | "builtins_ignorelist" => {
+                plugins.insert(Plugin::Flake8Builtins);
+            }
+            // flake8-docstrings
+            "docstring-convention" | "docstring_convention" => {
+                plugins.insert(Plugin::Flake8Docstrings);
+            }
+            // flake8-eradicate
+            "eradicate-aggressive" | "eradicate_aggressive" => {
+                plugins.insert(Plugin::Flake8Eradicate);
+            }
+            "eradicate-whitelist" | "eradicate_whitelist" => {
+                plugins.insert(Plugin::Flake8Eradicate);
+            }
+            "eradicate-whitelist-extend" | "eradicate_whitelist_extend" => {
+                plugins.insert(Plugin::Flake8Eradicate);
+            }
+            // flake8-quotes
+            "quotes" | "inline-quotes" | "inline_quotes" => {
+                plugins.insert(Plugin::Flake8Quotes);
+            }
+            "multiline-quotes" | "multiline_quotes" => {
+                plugins.insert(Plugin::Flake8Quotes);
+            }
+            "docstring-quotes" | "docstring_quotes" => {
+                plugins.insert(Plugin::Flake8Quotes);
+            }
+            "avoid-escape" | "avoid_escape" => {
+                plugins.insert(Plugin::Flake8Quotes);
+            }
            // flake8-tidy-imports
            "ban-relative-imports" | "ban_relative_imports" => {
                plugins.insert(Plugin::Flake8TidyImports);
@@ -360,16 +378,18 @@ pub fn infer_plugins_from_options(flake8: &HashMap<String, Option<String>>) -> V
 /// `flake8-annotations` is active.
 pub fn infer_plugins_from_codes(codes: &BTreeSet<CheckCodePrefix>) -> Vec<Plugin> {
    [
+        Plugin::Flake8Annotations,
        Plugin::Flake8Bandit,
+        Plugin::Flake8BlindExcept,
        Plugin::Flake8Bugbear,
        Plugin::Flake8Builtins,
        Plugin::Flake8Comprehensions,
+        Plugin::Flake8Debugger,
        Plugin::Flake8Docstrings,
-        Plugin::Flake8TidyImports,
+        Plugin::Flake8Eradicate,
        Plugin::Flake8Print,
        Plugin::Flake8Quotes,
-        Plugin::Flake8Annotations,
-        Plugin::Flake8BlindExcept,
+        Plugin::Flake8TidyImports,
        Plugin::PEP8Naming,
        Plugin::Pyupgrade,
    ]
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -25,12 +25,11 @@ requires-python = ">=3.7"
 repository = "https://github.com/charliermarsh/ruff"

 [build-system]
-requires = ["maturin>=0.13,<0.14"]
+requires = ["maturin>=0.14,<0.15"]
 build-backend = "maturin"

 [tool.maturin]
 bindings = "bin"
-sdist-include = ["Cargo.lock"]
 strip = true

 [tool.isort]
--- a/resources/test/fixtures/B006_B008.py
+++ b/resources/test/fixtures/B006_B008.py
@@ -185,3 +185,23 @@ def nested_b008(a=random.randint(0, dt.datetime.now().year)):
 # Ignore lambda contents since they are evaluated at call time.
 def foo(f=lambda x: print(x)):
    f(1)
+
+
+from collections import abc
+from typing import Annotated, Dict, Optional, Sequence, Union, Set
+
+
+def immutable_annotations(
+    a: Sequence[int] | None = [],
+    b: Optional[abc.Mapping[int, int]] = {},
+    c: Annotated[Union[abc.Set[str], abc.Sized], "annotation"] = set(),
+):
+    pass
+
+
+def mutable_annotations(
+    a: list[int] | None = [],
+    b: Optional[Dict[int, int]] = {},
+    c: Annotated[Union[Set[str], abc.Sized], "annotation"] = set(),
+):
+    pass
--- a/resources/test/fixtures/B009_B010.py
+++ b/resources/test/fixtures/B009_B010.py
@@ -34,3 +34,4 @@ setattr(foo, "bar", None)
 setattr(foo, "_123abc", None)
 setattr(foo, "abc123", None)
 setattr(foo, r"abc123", None)
+setattr(foo.bar, r"baz", None)
--- a/resources/test/fixtures/B023.py
+++ b/resources/test/fixtures/B023.py
@@ -0,0 +1,82 @@
+"""
+Should emit:
+B023 - on lines 12, 13, 16, 28, 29, 30, 31, 40, 42, 50, 51, 52, 53, 61, 68.
+"""
+
+functions = []
+z = 0
+
+for x in range(3):
+    y = x + 1
+    # Subject to late-binding problems
+    functions.append(lambda: x)
+    functions.append(lambda: y)  # not just the loop var
+
+    def f_bad_1():
+        return x
+
+    # Actually OK
+    functions.append(lambda x: x * 2)
+    functions.append(lambda x=x: x)
+    functions.append(lambda: z)  # OK because not assigned in the loop
+
+    def f_ok_1(x):
+        return x * 2
+
+
+def check_inside_functions_too():
+    ls = [lambda: x for x in range(2)]
+    st = {lambda: x for x in range(2)}
+    gn = (lambda: x for x in range(2))
+    dt = {x: lambda: x for x in range(2)}
+
+
+async def pointless_async_iterable():
+    yield 1
+
+
+async def container_for_problems():
+    async for x in pointless_async_iterable():
+        functions.append(lambda: x)
+
+    [lambda: x async for x in pointless_async_iterable()]
+
+
+a = 10
+b = 0
+while True:
+    a = a_ = a - 1
+    b += 1
+    functions.append(lambda: a)
+    functions.append(lambda: a_)
+    functions.append(lambda: b)
+    functions.append(lambda: c)  # not a name error because of late binding!
+    c: bool = a > 3
+    if not c:
+        break
+
+# Nested loops should not duplicate reports
+for j in range(2):
+    for k in range(3):
+        lambda: j * k
+
+
+for j, k, l in [(1, 2, 3)]:
+
+    def f():
+        j = None  # OK because it's an assignment
+        [l for k in range(2)]  # error for l, not for k
+
+        assert a and functions
+
+    a.attribute = 1  # modifying an attribute doesn't make it a loop variable
+    functions[0] = lambda: None  # same for an element
+
+for var in range(2):
+
+    def explicit_capture(captured=var):
+        return captured
+
+
+for i in range(3):
+    lambda: f"{i}"
--- a/resources/test/fixtures/B904.py
+++ b/resources/test/fixtures/B904.py
@@ -0,0 +1,55 @@
+"""
+Should emit:
+B904 - on lines 10, 11 and 16
+"""
+
+try:
+    raise ValueError
+except ValueError:
+    if "abc":
+        raise TypeError
+    raise UserWarning
+except AssertionError:
+    raise  # Bare `raise` should not be an error
+except Exception as err:
+    assert err
+    raise Exception("No cause here...")
+except BaseException as base_err:
+    # Might use this instead of bare raise with the `.with_traceback()` method
+    raise base_err
+finally:
+    raise Exception("Nothing to chain from, so no warning here")
+
+try:
+    raise ValueError
+except ValueError:
+    # should not emit, since we are not raising something
+    def proxy():
+        raise NameError
+
+
+try:
+    from preferred_library import Thing
+except ImportError:
+    try:
+        from fallback_library import Thing
+    except ImportError:
+
+        class Thing:
+            def __getattr__(self, name):
+                # same as the case above, should not emit.
+                raise AttributeError
+
+
+try:
+    from preferred_library import Thing
+except ImportError:
+    try:
+        from fallback_library import Thing
+    except ImportError:
+
+        def context_switch():
+            try:
+                raise ValueError
+            except ValueError:
+                raise
--- a/resources/test/fixtures/C901.py
+++ b/resources/test/fixtures/C901.py
@@ -106,3 +106,33 @@ async def foobar(a, b, c):
 # Complexity = 1
 def annotated_assign():
    x: Any = None
+
+
+# Complexity = 9
+class Class:
+    def handle(self, *args, **options):
+        if args:
+            return
+
+        class ServiceProvider:
+            def a(self):
+                pass
+
+            def b(self, data):
+                if not args:
+                    pass
+
+        class Logger:
+            def c(*args, **kwargs):
+                pass
+
+            def error(self, message):
+                pass
+
+            def info(self, message):
+                pass
+
+            def exception(self):
+                pass
+
+        return ServiceProvider(Logger())
--- a/resources/test/fixtures/D.py
+++ b/resources/test/fixtures/D.py
@@ -3,6 +3,7 @@ from functools import wraps
 import os
 from .expected import Expectation
 from typing import overload
+from typing_extensions import override


 expectation = Expectation()
@@ -42,9 +43,13 @@ class class_:
           "D418: Function/ Method decorated with @overload"
           " shouldn't contain a docstring")

+    @override
+    def overridden_method(a):
+        return str(a)
+
    @property
    def foo(self):
-        """The foo of the thing, which isn't in imperitive mood."""
+        """The foo of the thing, which isn't in imperative mood."""
        return "hello"

    @expect('D102: Missing docstring in public method')
--- a/resources/test/fixtures/E501.py
+++ b/resources/test/fixtures/E501.py
@@ -49,3 +49,9 @@ sit amet  consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labor
 sit amet  consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
 """,  # noqa: E501
 }
+
+# OK
+# A very long URL: https://loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong.url.com
+
+# OK
+# https://loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong.url.com
--- a/resources/test/fixtures/ERA001.py
+++ b/resources/test/fixtures/ERA001.py
@@ -0,0 +1,13 @@
+#import os
+# from foo import junk
+#a = 3
+a = 4
+#foo(1, 2, 3)
+
+def foo(x, y, z):
+    contentet = 1 # print('hello')
+    print(x, y, z)
+
+    # This is a real comment.
+    #return True
+    return False
--- a/resources/test/fixtures/F502.py
+++ b/resources/test/fixtures/F502.py
@@ -0,0 +1,13 @@
+dog = {"bob": "bob"}
+
+"%(bob)s" % dog
+"%(bob)s" % {"bob": "bob"}
+"%(bob)s" % {**{"bob": "bob"}}
+"%(bob)s" % ["bob"]  # F202
+"%(bob)s" % ("bob",)  # F202
+"%(bob)s" % {"bob"}  # F202
+"%(bob)s" % [*["bob"]]  # F202
+"%(bob)s" % {"bob": "bob" for _ in range(1)}
+"%(bob)s" % ["bob" for _ in range(1)]  # F202
+"%(bob)s" % ("bob" for _ in range(1))  # F202
+"%(bob)s" % {"bob" for _ in range(1)}  # F202
--- a/resources/test/fixtures/F503.py
+++ b/resources/test/fixtures/F503.py
@@ -0,0 +1,26 @@
+dog = {"bob": "bob"}
+
+# Single placeholder always fine
+"%s" % dog
+"%s" % {"bob": "bob"}
+"%s" % {**{"bob": "bob"}}
+"%s" % ["bob"]
+"%s" % ("bob",)
+"%s" % {"bob"}
+"%s" % [*["bob"]]
+"%s" % {"bob": "bob" for _ in range(1)}
+"%s" % ["bob" for _ in range(1)]
+"%s" % ("bob" for _ in range(1))
+"%s" % {"bob" for _ in range(1)}
+# Multiple placeholders
+"%s %s" % dog
+"%s %s" % {"bob": "bob"}  # F503
+"%s %s" % {**{"bob": "bob"}}  # F503
+"%s %s" % ["bob"]
+"%s %s" % ("bob",)
+"%s %s" % {"bob"}
+"%s %s" % [*["bob"]]
+"%s %s" % {"bob": "bob" for _ in range(1)}  # F503
+"%s %s" % ["bob" for _ in range(1)]
+"%s %s" % ("bob" for _ in range(1))
+"%s %s" % {"bob" for _ in range(1)}
--- a/resources/test/fixtures/F504.py
+++ b/resources/test/fixtures/F504.py
@@ -0,0 +1,6 @@
+# Ruff has no way of knowing if the following are F505s
+a = "wrong"
+"%(a)s %(c)s" % {a: "?", "b": "!"}  # F504 ("b" not used)
+
+hidden = {"a": "!"}
+"%(a)s %(c)s" % {"x": 1, **hidden}  # Ok (cannot see through splat)
--- a/resources/test/fixtures/F50x.py
+++ b/resources/test/fixtures/F50x.py
@@ -0,0 +1,25 @@
+'%(foo)' % {'foo': 'bar'}  # F501
+'%s %(foo)s' % {'foo': 'bar'}  # F506
+'%(foo)s %s' % {'foo': 'bar'}  # F506
+'%j' % (1,)  # F509
+'%s %s' % (1,)  # F507
+'%s %s' % (1, 2, 3)  # F507
+'%(bar)s' % {}  # F505
+'%(bar)s' % {'bar': 1, 'baz': 2}  # F504
+'%(bar)s' % (1, 2, 3)  # F502
+'%s %s' % {'k': 'v'}  # F503
+'%(bar)*s' % {'bar': 'baz'}  # F506, F508
+
+# ok: single %s with mapping
+'%s' % {'foo': 'bar', 'baz': 'womp'}
+# ok: %% should not count towards placeholder count
+'%% %s %% %s' % (1, 2)
+# ok: * consumes one positional argument
+'%.*f' % (2, 1.1234)
+'%*.*f' % (5, 2, 3.1234)
+# ok *args and **kwargs
+a = []
+'%s %s' % [*a]
+'%s %s' % (*a,)
+k = {}
+'%(k)s' % {**k}
--- a/resources/test/fixtures/F521.py
+++ b/resources/test/fixtures/F521.py
@@ -0,0 +1,21 @@
+"{".format(1)
+"}".format(1)
+"{foo[}".format(foo=1)
+# too much string recursion (placeholder-in-placeholder)
+"{:{:{}}}".format(1, 2, 3)
+# ruff picks these issues up, but flake8 doesn't
+"{foo[]}".format(foo={"": 1})
+"{foo..}".format(foo=1)
+"{foo..bar}".format(foo=1)
+
+# The following are all "good" uses of .format
+"{.__class__}".format("")
+"{foo[bar]}".format(foo={"bar": "barv"})
+"{[bar]}".format({"bar": "barv"})
+"{:{}} {}".format(1, 15, 2)
+"{:2}".format(1)
+"{foo}-{}".format(1, foo=2)
+a = ()
+"{}".format(*a)
+k = {}
+"{foo}".format(**k)
--- a/resources/test/fixtures/F522.py
+++ b/resources/test/fixtures/F522.py
@@ -0,0 +1,4 @@
+"{}".format(1, bar=2)  # F522
+"{bar}{}".format(1, bar=2, spam=3)  # F522
+"{bar:{spam}}".format(bar=2, spam=3)  # No issues
+"{bar:{spam}}".format(bar=2, spam=3, eggs=4, ham=5)  # F522
--- a/resources/test/fixtures/F523.py
+++ b/resources/test/fixtures/F523.py
@@ -0,0 +1,12 @@
+# With indexes
+"{0}".format(1, 2)  # F523
+"{1}".format(1, 2, 3)  # F523
+"{1:{0}}".format(1, 2)  # No issues
+"{1:{0}}".format(1, 2, 3)  # F523
+"{0}{2}".format(1, 2)  # F523, # F524
+
+# With no indexes
+"{}".format(1, 2)  # F523
+"{}".format(1, 2, 3)  # F523
+"{:{}}".format(1, 2)  # No issues
+"{:{}}".format(1, 2, 3)  # F523
--- a/resources/test/fixtures/F524.py
+++ b/resources/test/fixtures/F524.py
@@ -0,0 +1,6 @@
+"{} {}".format(1)  # F524
+"{2}".format()  # F524
+"{bar}".format()  # F524
+"{0} {bar}".format(1)  # F524
+"{0} {bar}".format()  # F524
+"{bar} {0}".format()  # F524
--- a/resources/test/fixtures/F525.py
+++ b/resources/test/fixtures/F525.py
@@ -0,0 +1,2 @@
+"{} {1}".format(1, 2)  # F525
+"{0} {}".format(1, 2)  # F523, F525
--- a/resources/test/fixtures/F821_3.py
+++ b/resources/test/fixtures/F821_3.py
@@ -12,3 +12,13 @@ x: dict["key", "value"]

 # OK
 x: dict[str, str]
+
+# OK
+def unimportant(name):
+    pass
+
+
+def dang(dict, set, list):
+    unimportant(name=dict["name"])
+    unimportant(name=set["name"])
+    unimportant(name=list["name"])
--- a/resources/test/fixtures/F841.py
+++ b/resources/test/fixtures/F841.py
@@ -35,3 +35,33 @@ def f4():
    _ = 1
    __ = 1
    _discarded = 1
+
+
+a = 1
+
+
+def f5():
+    global a
+
+    # Used in `f7` via `nonlocal`.
+    b = 1
+
+    def f6():
+        # F841
+        b = 1
+
+    def f7():
+        nonlocal b
+
+
+def f6():
+    annotations = []
+    assert len([annotations for annotations in annotations])
+
+
+def f7():
+    def connect():
+        return None, None
+
+    with connect() as (connection, cursor):
+        cursor.execute("SELECT * FROM users")
--- a/resources/test/fixtures/FBT.py
+++ b/resources/test/fixtures/FBT.py
@@ -38,5 +38,20 @@ def function(
 def used(do):
    return do

+
 used("a", True)
 used(do=True)
+
+
+# Avoid FBT003 for explicitly allowed methods.
+"""
+FBT003 Boolean positional value on dict
+"""
+a = {"a": "b"}
+a.get("hello", False)
+{}.get("hello", False)
+{}.setdefault("hello", True)
+{}.pop("hello", False)
+{}.pop(True, False)
+dict.fromkeys(("world",), True)
+{}.deploy(True, False)
--- a/resources/test/fixtures/M001.py
+++ b/resources/test/fixtures/M001.py
@@ -18,6 +18,14 @@ def f() -> None:
    # Invalid (and unimplemented)
    d = 1  # noqa: F841, W191

+    # fmt: off
+    # Invalid - no space before #
+    d = 1# noqa: E501
+
+    # Invalid - many spaces before #
+    d = 1                       # noqa: E501
+    # fmt: on
+

 # Valid
 _ = """Lorem ipsum dolor sit amet.
--- a/resources/test/fixtures/N804.py
+++ b/resources/test/fixtures/N804.py
@@ -30,6 +30,14 @@ class Class:
    def __init_subclass__(self, default_name, **kwargs):
        ...

+    @classmethod
+    def class_method_with_positional_only_argument(cls, x, /, other):
+        ...
+
+    @classmethod
+    def bad_class_method_with_positional_only_argument(self, x, /, other):
+        ...
+

 class MetaClass(ABCMeta):
    def bad_method(self):
--- a/resources/test/fixtures/N807.py
+++ b/resources/test/fixtures/N807.py
@@ -10,6 +10,27 @@ def good__():
    pass


+def nested():
+    def __bad__():
+        pass
+
+    def __good():
+        pass
+
+    def good__():
+        pass
+
+
 class Class:
    def __good__(self):
        pass
+
+
+# https://peps.python.org/pep-0562/
+def __getattr__(name):
+    pass
+
+
+# https://peps.python.org/pep-0562/
+def __dir__():
+    pass
--- a/resources/test/fixtures/RUF101_0.py
+++ b/resources/test/fixtures/RUF101_0.py
@@ -0,0 +1,5 @@
+exit(0)
+
+
+def main():
+    exit(2)
--- a/resources/test/fixtures/RUF101_1.py
+++ b/resources/test/fixtures/RUF101_1.py
@@ -0,0 +1,10 @@
+import sys
+
+exit(0)
+
+
+def main():
+    exit(1)
+
+
+sys.exit(2)
--- a/resources/test/fixtures/RUF101_2.py
+++ b/resources/test/fixtures/RUF101_2.py
@@ -0,0 +1,7 @@
+import sys as sys2
+
+exit(0)
+
+
+def main():
+    exit(1)
--- a/resources/test/fixtures/RUF101_3.py
+++ b/resources/test/fixtures/RUF101_3.py
@@ -0,0 +1,7 @@
+from sys import exit
+
+exit(0)
+
+
+def main():
+    exit(1)
--- a/resources/test/fixtures/RUF101_4.py
+++ b/resources/test/fixtures/RUF101_4.py
@@ -0,0 +1,7 @@
+from sys import exit as exit2
+
+exit(0)
+
+
+def main():
+    exit(1)
--- a/resources/test/fixtures/RUF101_5.py
+++ b/resources/test/fixtures/RUF101_5.py
@@ -0,0 +1,7 @@
+from sys import *
+
+exit(0)
+
+
+def main():
+    exit(1)
--- a/resources/test/fixtures/RUF101_6.py
+++ b/resources/test/fixtures/RUF101_6.py
@@ -0,0 +1,12 @@
+exit(0)
+
+
+def exit(e):
+    pass
+
+
+exit(1)
+
+
+def main():
+    exit(2)
--- a/resources/test/fixtures/T100.py
+++ b/resources/test/fixtures/T100.py
@@ -0,0 +1,14 @@
+breakpoint()
+
+
+import pdb
+from builtins import breakpoint
+from pdb import set_trace as st
+from celery.contrib.rdb import set_trace
+from celery.contrib import rdb
+import celery.contrib.rdb
+
+
+breakpoint()
+st()
+set_trace()
--- a/resources/test/fixtures/U006.py
+++ b/resources/test/fixtures/U006.py
@@ -24,3 +24,7 @@ from typing import List as IList

 def f(x: IList[str]) -> None:
    ...
+
+
+def f(x: "List[str]") -> None:
+    ...
--- a/resources/test/fixtures/U007.py
+++ b/resources/test/fixtures/U007.py
@@ -1,40 +1,43 @@
+import typing
 from typing import Optional
+from typing import Union


 def f(x: Optional[str]) -> None:
    ...


-import typing
-
-
 def f(x: typing.Optional[str]) -> None:
    ...


-from typing import Union
-
-
 def f(x: Union[str, int, Union[float, bytes]]) -> None:
    ...


-import typing
-
-
 def f(x: typing.Union[str, int]) -> None:
    ...


-from typing import Union
+def f(x: typing.Union[(str, int)]) -> None:
+    ...
+
+
+def f(x: typing.Union[(str, int), float]) -> None:
+    ...


 def f(x: "Union[str, int, Union[float, bytes]]") -> None:
    ...


-import typing
-
-
 def f(x: "typing.Union[str, int]") -> None:
    ...
+
+
+def f(x: Union["str", int]) -> None:
+    ...
+
+
+def f(x: Union[("str", "int"), float]) -> None:
+    ...
--- a/resources/test/fixtures/U009_0.py
+++ b/resources/test/fixtures/U009_0.py
@@ -1,3 +1,3 @@
 # coding=utf8

-print('Hello world')
+print("Hello world")
--- a/resources/test/fixtures/U009_4.py
+++ b/resources/test/fixtures/U009_4.py
@@ -0,0 +1,3 @@
+# coding=utf8 # noqa: U009
+
+print("Hello world")
--- a/resources/test/fixtures/U013.py
+++ b/resources/test/fixtures/U013.py
@@ -1,4 +1,5 @@
 from typing import TypedDict, NotRequired, Literal
+import typing

 # dict literal
 MyType1 = TypedDict("MyType1", {"a": int, "b": str})
@@ -27,3 +28,6 @@ MyType9 = TypedDict("MyType9", {"in": int, "x-y": int})

 # using Literal type
 MyType10 = TypedDict("MyType10", {"key": Literal["value"]})
+
+# using namespace TypedDict
+MyType11 = typing.TypedDict("MyType11", {"key": int})
--- a/resources/test/fixtures/U014.py
+++ b/resources/test/fixtures/U014.py
@@ -0,0 +1,22 @@
+from typing import NamedTuple
+import typing
+
+# with complex annotations
+NT1 = NamedTuple("NT1", [("a", int), ("b", tuple[str, ...])])
+
+# with default values as list
+NT2 = NamedTuple(
+    "NT2",
+    [("a", int), ("b", str), ("c", list[bool])],
+    defaults=["foo", [True]],
+)
+
+# with namespace
+NT3 = typing.NamedTuple("NT3", [("a", int), ("b", str)])
+
+# with too many default values
+NT4 = NamedTuple(
+    "NT4",
+    [("a", int), ("b", str)],
+    defaults=[1, "bar", "baz"],
+)
--- a/resources/test/fixtures/U015.py
+++ b/resources/test/fixtures/U015.py
@@ -0,0 +1,80 @@
+open("foo", "U")
+open("foo", "Ur")
+open("foo", "Ub")
+open("foo", "rUb")
+open("foo", "r")
+open("foo", "rt")
+open("f", "r", encoding="UTF-8")
+open("f", "wt")
+
+with open("foo", "U") as f:
+    pass
+with open("foo", "Ur") as f:
+    pass
+with open("foo", "Ub") as f:
+    pass
+with open("foo", "rUb") as f:
+    pass
+with open("foo", "r") as f:
+    pass
+with open("foo", "rt") as f:
+    pass
+with open("foo", "r", encoding="UTF-8") as f:
+    pass
+with open("foo", "wt") as f:
+    pass
+
+open(f("a", "b", "c"), "U")
+open(f("a", "b", "c"), "Ub")
+
+with open(f("a", "b", "c"), "U") as f:
+    pass
+with open(f("a", "b", "c"), "Ub") as f:
+    pass
+
+with open("foo", "U") as fa, open("bar", "U") as fb:
+    pass
+with open("foo", "Ub") as fa, open("bar", "Ub") as fb:
+    pass
+
+open("foo", mode="U")
+open(name="foo", mode="U")
+open(mode="U", name="foo")
+
+with open("foo", mode="U") as f:
+    pass
+with open(name="foo", mode="U") as f:
+    pass
+with open(mode="U", name="foo") as f:
+    pass
+
+open("foo", mode="Ub")
+open(name="foo", mode="Ub")
+open(mode="Ub", name="foo")
+
+with open("foo", mode="Ub") as f:
+    pass
+with open(name="foo", mode="Ub") as f:
+    pass
+with open(mode="Ub", name="foo") as f:
+    pass
+
+open(file="foo", mode='U', buffering=- 1, encoding=None, errors=None, newline=None, closefd=True, opener=None)
+open(file="foo", buffering=- 1, encoding=None, errors=None, newline=None, closefd=True, opener=None, mode='U')
+open(file="foo", buffering=- 1, encoding=None, errors=None, mode='U', newline=None, closefd=True, opener=None)
+open(mode='U', file="foo", buffering=- 1, encoding=None, errors=None, newline=None, closefd=True, opener=None)
+
+open(file="foo", mode='Ub', buffering=- 1, encoding=None, errors=None, newline=None, closefd=True, opener=None)
+open(file="foo", buffering=- 1, encoding=None, errors=None, newline=None, closefd=True, opener=None, mode='Ub')
+open(file="foo", buffering=- 1, encoding=None, errors=None, mode='Ub', newline=None, closefd=True, opener=None)
+open(mode='Ub', file="foo", buffering=- 1, encoding=None, errors=None, newline=None, closefd=True, opener=None)
+
+open = 1
+open("foo", "U")
+open("foo", "Ur")
+open("foo", "Ub")
+open("foo", "rUb")
+open("foo", "r")
+open("foo", "rt")
+open("f", "r", encoding="UTF-8")
+open("f", "wt")
--- a/resources/test/fixtures/canonical_google_examples.py
+++ b/resources/test/fixtures/canonical_google_examples.py
@@ -44,7 +44,7 @@ expectation.expected.add((
@expect("D407: Missing dashed underline after section ('Returns')",
        arg_count=3)
@expect("D413: Missing blank line after last section ('Raises')", arg_count=3)
-def fetch_bigtable_rows(big_table, keys, other_silly_variable=None):
+def fetch_bigtable_rows(big_table, keys, other_silly_variable=None, **kwargs):
    """Fetches rows from a Bigtable.

    Retrieves rows pertaining to the given keys from the Table instance
@@ -57,6 +57,7 @@ def fetch_bigtable_rows(big_table, keys, other_silly_variable=None):
            to fetch.
        other_silly_variable: Another optional variable, that has a much
            longer name than the other args, and which does nothing.
+        **kwargs: More keyword arguments.

    Returns:
        A dict mapping keys to the corresponding table row data
--- a/resources/test/fixtures/canonical_numpy_examples.py
+++ b/resources/test/fixtures/canonical_numpy_examples.py
@@ -73,7 +73,7 @@ expectation.expected.add((
        "(found 'A')", arg_count=3)
@expect("D413: Missing blank line after last section ('Examples')",
        arg_count=3)
-def foo(var1, var2, long_var_name='hi'):
+def foo(var1, var2, long_var_name='hi', **kwargs):
    r"""A one-line summary that does not use variable names.

    Several sentences providing an extended description. Refer to
@@ -91,6 +91,8 @@ def foo(var1, var2, long_var_name='hi'):
        detail, e.g. ``(N,) ndarray`` or ``array_like``.
    long_var_name : {'hi', 'ho'}, optional
        Choices in brackets, default first when optional.
+    **kwargs : int
+        More keyword arguments.

    Returns
    -------
--- a/resources/test/fixtures/future_annotations.py
+++ b/resources/test/fixtures/future_annotations.py
@@ -1,6 +1,7 @@
 from __future__ import annotations

 from dataclasses import dataclass
+from typing import List, Optional

 from models import (
    Fruit,
@@ -28,3 +29,12 @@ class Foo:
    @classmethod
    def d(cls) -> Fruit:
        return cls(x=0, y=0)
+
+
+def f(x: int) -> List[int]:
+    y = List[int]()
+    y.append(x)
+    return y
+
+
+x: Optional[int] = None
--- a/resources/test/fixtures/isort/order_relative_imports_by_level.py
+++ b/resources/test/fixtures/isort/order_relative_imports_by_level.py
@@ -0,0 +1,4 @@
+from .a import a
+from ..a import a
+from ..b import a
+from .b import a
--- a/resources/test/fixtures/with_excluded_mdirectory/init.py
+++ b/resources/test/fixtures/with_excluded_mdirectory/init.py
--- a/resources/test/fixtures/with_excluded_mdirectory/migrations/init.py
+++ b/resources/test/fixtures/with_excluded_mdirectory/migrations/init.py
--- a/resources/test/fixtures/with_excluded_mdirectory/migrations/migration.py
+++ b/resources/test/fixtures/with_excluded_mdirectory/migrations/migration.py
--- a/ruff_dev/Cargo.toml
+++ b/ruff_dev/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff_dev"
-version = "0.0.128"
+version = "0.0.145"
 edition = "2021"

 [dependencies]
@@ -8,10 +8,10 @@ anyhow = { version = "1.0.66" }
 clap = { version = "4.0.1", features = ["derive"] }
 codegen = { version = "0.2.0" }
 itertools = { version = "0.10.5" }
-libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "a13ec97dd4eb925bde4d426c6e422582793b260c" }
+libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "f2f0b7a487a8725d161fe8b3ed73a6758b21e177" }
 ruff = { path = ".." }
-rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
-rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
-rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "f885db8c61514f069979861f6b3bd83292086231" }
+rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "f885db8c61514f069979861f6b3bd83292086231" }
+rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "f885db8c61514f069979861f6b3bd83292086231" }
 strum = { version = "0.24.1", features = ["strum_macros"] }
 strum_macros = { version = "0.24.3" }
--- a/ruff_dev/src/generate_check_code_prefix.rs
+++ b/ruff_dev/src/generate_check_code_prefix.rs
@@ -24,7 +24,7 @@ pub struct Cli {

 pub fn main(cli: &Cli) -> Result<()> {
    // Build up a map from prefix to matching CheckCodes.
-    let mut prefix_to_codes: BTreeMap<String, BTreeSet<CheckCode>> = Default::default();
+    let mut prefix_to_codes: BTreeMap<String, BTreeSet<CheckCode>> = BTreeMap::default();
    for check_code in CheckCode::iter() {
        let as_ref: String = check_code.as_ref().to_string();
        let prefix_len = as_ref
@@ -77,6 +77,7 @@ pub fn main(cli: &Cli) -> Result<()> {
        .arg_ref_self()
        .ret(Type::new("Vec<CheckCode>"))
        .vis("pub")
+        .line("#[allow(clippy::match_same_arms)]")
        .line("match self {");
    for (prefix, codes) in &prefix_to_codes {
        gen = gen.line(format!(
@@ -96,6 +97,7 @@ pub fn main(cli: &Cli) -> Result<()> {
        .arg_ref_self()
        .ret(Type::new("PrefixSpecificity"))
        .vis("pub")
+        .line("#[allow(clippy::match_same_arms)]")
        .line("match self {");
    for prefix in prefix_to_codes.keys() {
        let num_numeric = prefix.chars().filter(|char| char.is_numeric()).count();
@@ -104,7 +106,7 @@ pub fn main(cli: &Cli) -> Result<()> {
            2 => "Tens",
            1 => "Hundreds",
            0 => "Category",
-            _ => panic!("Invalid prefix: {}", prefix),
+            _ => panic!("Invalid prefix: {prefix}"),
        };
        gen = gen.line(format!(
            "CheckCodePrefix::{prefix} => PrefixSpecificity::{},",
@@ -115,7 +117,8 @@ pub fn main(cli: &Cli) -> Result<()> {

    // Construct the output contents.
    let mut output = String::new();
-    output.push_str("//! File automatically generated by examples/generate_check_code_prefix.rs.");
+    output
+        .push_str("//! File automatically generated by `examples/generate_check_code_prefix.rs`.");
    output.push('\n');
    output.push('\n');
    output.push_str("use serde::{{Serialize, Deserialize}};");
@@ -127,13 +130,28 @@ pub fn main(cli: &Cli) -> Result<()> {
    output.push('\n');
    output.push('\n');
    output.push_str(&scope.to_string());
+    output.push('\n');
+    output.push('\n');
+
+    // Add the list of output categories (not generated).
+    output.push_str("pub const CATEGORIES: &[CheckCodePrefix] = &[");
+    output.push('\n');
+    for prefix in prefix_to_codes.keys() {
+        if prefix.chars().all(char::is_alphabetic) {
+            output.push_str(&format!("CheckCodePrefix::{prefix},"));
+            output.push('\n');
+        }
+    }
+    output.push_str("];");
+    output.push('\n');
+    output.push('\n');

    // Write the output to `src/checks_gen.rs` (or stdout).
    if cli.dry_run {
-        println!("{}", output);
+        println!("{output}");
    } else {
        let mut f = OpenOptions::new().write(true).truncate(true).open(FILE)?;
-        write!(f, "{}", output)?;
+        write!(f, "{output}")?;
    }

    Ok(())
--- a/ruff_dev/src/generate_rules_table.rs
+++ b/ruff_dev/src/generate_rules_table.rs
@@ -61,7 +61,7 @@ pub fn main(cli: &Cli) -> Result<()> {
    }

    if cli.dry_run {
-        print!("{}", output);
+        print!("{output}");
    } else {
        // Read the existing file.
        let file = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
@@ -84,9 +84,9 @@ pub fn main(cli: &Cli) -> Result<()> {

        // Write the prefix, new contents, and suffix.
        let mut f = OpenOptions::new().write(true).truncate(true).open(&file)?;
-        write!(f, "{}\n\n", prefix)?;
-        write!(f, "{}", output)?;
-        write!(f, "{}", suffix)?;
+        write!(f, "{prefix}\n\n")?;
+        write!(f, "{output}")?;
+        write!(f, "{suffix}")?;
    }

    Ok(())
--- a/ruff_dev/src/generate_source_code.rs
+++ b/ruff_dev/src/generate_source_code.rs
@@ -19,7 +19,7 @@ pub fn main(cli: &Cli) -> Result<()> {
    let contents = fs::read_to_string(&cli.file)?;
    let python_ast = parser::parse_program(&contents, &cli.file.to_string_lossy())?;
    let mut generator = SourceGenerator::new();
-    generator.unparse_suite(&python_ast)?;
+    generator.unparse_suite(&python_ast);
    println!("{}", generator.generate()?);
    Ok(())
 }
--- a/ruff_dev/src/lib.rs
+++ b/ruff_dev/src/lib.rs
@@ -1,3 +1,16 @@
+#![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
+)]
+
 pub mod generate_check_code_prefix;
 pub mod generate_rules_table;
 pub mod generate_source_code;
--- a/ruff_dev/src/main.rs
+++ b/ruff_dev/src/main.rs
@@ -1,3 +1,16 @@
+#![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 anyhow::Result;
 use clap::{Parser, Subcommand};
 use ruff_dev::{
--- a/ruff_dev/src/print_ast.rs
+++ b/ruff_dev/src/print_ast.rs
@@ -17,6 +17,6 @@ pub struct Cli {
 pub fn main(cli: &Cli) -> Result<()> {
    let contents = fs::read_to_string(&cli.file)?;
    let python_ast = parser::parse_program(&contents, &cli.file.to_string_lossy())?;
-    println!("{:#?}", python_ast);
+    println!("{python_ast:#?}");
    Ok(())
 }
--- a/ruff_dev/src/print_cst.rs
+++ b/ruff_dev/src/print_cst.rs
@@ -1,4 +1,4 @@
-//! Print the LibCST CST for a given Python file.
+//! Print the `LibCST` CST for a given Python file.

 use std::fs;
 use std::path::PathBuf;
@@ -17,7 +17,7 @@ pub fn main(cli: &Cli) -> Result<()> {
    let contents = fs::read_to_string(&cli.file)?;
    match libcst_native::parse_module(&contents, None) {
        Ok(python_cst) => {
-            println!("{:#?}", python_cst);
+            println!("{python_cst:#?}");
            Ok(())
        }
        Err(_) => Err(anyhow::anyhow!("Failed to parse CST")),
--- a/ruff_dev/src/print_tokens.rs
+++ b/ruff_dev/src/print_tokens.rs
@@ -17,7 +17,7 @@ pub struct Cli {
 pub fn main(cli: &Cli) -> Result<()> {
    let contents = fs::read_to_string(&cli.file)?;
    for (_, tok, _) in lexer::make_tokenizer(&contents).flatten() {
-        println!("{:#?}", tok);
+        println!("{tok:#?}");
    }
    Ok(())
 }
--- a/src/ast/helpers.rs
+++ b/src/ast/helpers.rs
@@ -1,9 +1,13 @@
-use fnv::{FnvHashMap, FnvHashSet};
 use once_cell::sync::Lazy;
 use regex::Regex;
-use rustpython_ast::{Excepthandler, ExcepthandlerKind, Expr, ExprKind, Location, StmtKind};
+use rustc_hash::{FxHashMap, FxHashSet};
+use rustpython_ast::{
+    Arguments, Excepthandler, ExcepthandlerKind, Expr, ExprKind, Location, Stmt, StmtKind,
+};
+
+use crate::ast::types::Range;
+use crate::SourceCodeLocator;

-#[inline(always)]
 fn collect_call_path_inner<'a>(expr: &'a Expr, parts: &mut Vec<&'a str>) {
    match &expr.node {
        ExprKind::Call { func, .. } => {
@@ -21,7 +25,6 @@ fn collect_call_path_inner<'a>(expr: &'a Expr, parts: &mut Vec<&'a str>) {
 }

 /// Convert an `Expr` to its call path (like `List`, or `typing.List`).
-#[inline(always)]
 pub fn compose_call_path(expr: &Expr) -> Option<String> {
    let segments = collect_call_paths(expr);
    if segments.is_empty() {
@@ -32,7 +35,6 @@ pub fn compose_call_path(expr: &Expr) -> Option<String> {
 }

 /// Convert an `Expr` to its call path segments (like ["typing", "List"]).
-#[inline(always)]
 pub fn collect_call_paths(expr: &Expr) -> Vec<&str> {
    let mut segments = vec![];
    collect_call_path_inner(expr, &mut segments);
@@ -42,7 +44,7 @@ pub fn collect_call_paths(expr: &Expr) -> Vec<&str> {
 /// Rewrite any import aliases on a call path.
 pub fn dealias_call_path<'a>(
    call_path: Vec<&'a str>,
-    import_aliases: &FnvHashMap<&str, &'a str>,
+    import_aliases: &FxHashMap<&str, &'a str>,
 ) -> Vec<&'a str> {
    if let Some(head) = call_path.first() {
        if let Some(origin) = import_aliases.get(head) {
@@ -76,8 +78,8 @@ pub fn match_module_member(
    expr: &Expr,
    module: &str,
    member: &str,
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
-    import_aliases: &FnvHashMap<&str, &str>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
 ) -> bool {
    match_call_path(
        &dealias_call_path(collect_call_paths(expr), import_aliases),
@@ -94,7 +96,7 @@ pub fn match_call_path(
    call_path: &[&str],
    module: &str,
    member: &str,
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
 ) -> bool {
    // If we have no segments, we can't ever match.
    let num_segments = call_path.len();
@@ -118,10 +120,9 @@ pub fn match_call_path(
    // `Match`).
    if num_segments == 0 {
        module.is_empty()
-            || from_imports
-                .get(module)
-                .map(|imports| imports.contains(member) || imports.contains("*"))
-                .unwrap_or(false)
+            || from_imports.get(module).map_or(false, |imports| {
+                imports.contains(member) || imports.contains("*")
+            })
    } else {
        let components: Vec<&str> = module.split('.').collect();

@@ -145,8 +146,7 @@ pub fn match_call_path(
            let member = components[cut];
            if from_imports
                .get(&module.as_str())
-                .map(|imports| imports.contains(member))
-                .unwrap_or(false)
+                .map_or(false, |imports| imports.contains(member))
            {
                return true;
            }
@@ -215,6 +215,27 @@ pub fn extract_handler_names(handlers: &[Excepthandler]) -> Vec<Vec<&str>> {
    handler_names
 }

+/// Return the set of all bound argument names.
+pub fn collect_arg_names<'a>(arguments: &'a Arguments) -> FxHashSet<&'a str> {
+    let mut arg_names: FxHashSet<&'a str> = FxHashSet::default();
+    for arg in &arguments.posonlyargs {
+        arg_names.insert(arg.node.arg.as_str());
+    }
+    for arg in &arguments.args {
+        arg_names.insert(arg.node.arg.as_str());
+    }
+    if let Some(arg) = &arguments.vararg {
+        arg_names.insert(arg.node.arg.as_str());
+    }
+    for arg in &arguments.kwonlyargs {
+        arg_names.insert(arg.node.arg.as_str());
+    }
+    if let Some(arg) = &arguments.kwarg {
+        arg_names.insert(arg.node.arg.as_str());
+    }
+    arg_names
+}
+
 /// Returns `true` if a call is an argumented `super` invocation.
 pub fn is_super_call_with_arguments(func: &Expr, args: &[Expr]) -> bool {
    // Check: is this a `super` call?
@@ -250,7 +271,7 @@ pub fn to_module_and_member(target: &str) -> (&str, &str) {

 /// Convert a location within a file (relative to `base`) to an absolute
 /// position.
-pub fn to_absolute(relative: &Location, base: &Location) -> Location {
+pub fn to_absolute(relative: Location, base: Location) -> Location {
    if relative.row() == 1 {
        Location::new(
            relative.row() + base.row() - 1,
@@ -261,10 +282,38 @@ pub fn to_absolute(relative: &Location, base: &Location) -> Location {
    }
 }

+/// Return `true` if a `Stmt` has leading content.
+pub fn match_leading_content(stmt: &Stmt, locator: &SourceCodeLocator) -> bool {
+    let range = Range {
+        location: Location::new(stmt.location.row(), 0),
+        end_location: stmt.location,
+    };
+    let prefix = locator.slice_source_code_range(&range);
+    prefix.chars().any(|char| !char.is_whitespace())
+}
+
+/// Return `true` if a `Stmt` has trailing content.
+pub fn match_trailing_content(stmt: &Stmt, locator: &SourceCodeLocator) -> bool {
+    let range = Range {
+        location: stmt.end_location.unwrap(),
+        end_location: Location::new(stmt.end_location.unwrap().row() + 1, 0),
+    };
+    let suffix = locator.slice_source_code_range(&range);
+    for char in suffix.chars() {
+        if char == '#' {
+            return false;
+        }
+        if !char.is_whitespace() {
+            return true;
+        }
+    }
+    false
+}
+
 #[cfg(test)]
 mod tests {
    use anyhow::Result;
-    use fnv::{FnvHashMap, FnvHashSet};
+    use rustc_hash::{FxHashMap, FxHashSet};
    use rustpython_parser::parser;

    use crate::ast::helpers::match_module_member;
@@ -276,8 +325,8 @@ mod tests {
            &expr,
            "",
            "list",
-            &FnvHashMap::default(),
-            &FnvHashMap::default(),
+            &FxHashMap::default(),
+            &FxHashMap::default(),
        ));
        Ok(())
    }
@@ -289,8 +338,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::default(),
-            &FnvHashMap::default(),
+            &FxHashMap::default(),
+            &FxHashMap::default(),
        ));
        Ok(())
    }
@@ -302,16 +351,16 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::default(),
-            &FnvHashMap::default(),
+            &FxHashMap::default(),
+            &FxHashMap::default(),
        ));
        let expr = parser::parse_expression("re.Match", "<filename>")?;
        assert!(!match_module_member(
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::default(),
-            &FnvHashMap::default(),
+            &FxHashMap::default(),
+            &FxHashMap::default(),
        ));
        Ok(())
    }
@@ -323,8 +372,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::from_iter([("typing.re", FnvHashSet::from_iter(["*"]))]),
-            &FnvHashMap::default()
+            &FxHashMap::from_iter([("typing.re", FxHashSet::from_iter(["*"]))]),
+            &FxHashMap::default()
        ));
        Ok(())
    }
@@ -336,8 +385,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::from_iter([("typing.re", FnvHashSet::from_iter(["Match"]))]),
-            &FnvHashMap::default()
+            &FxHashMap::from_iter([("typing.re", FxHashSet::from_iter(["Match"]))]),
+            &FxHashMap::default()
        ));
        Ok(())
    }
@@ -349,8 +398,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::from_iter([("typing", FnvHashSet::from_iter(["re"]))]),
-            &FnvHashMap::default()
+            &FxHashMap::from_iter([("typing", FxHashSet::from_iter(["re"]))]),
+            &FxHashMap::default()
        ));

        let expr = parser::parse_expression("match.Match", "<filename>")?;
@@ -358,8 +407,8 @@ mod tests {
            &expr,
            "typing.re.match",
            "Match",
-            &FnvHashMap::from_iter([("typing.re", FnvHashSet::from_iter(["match"]))]),
-            &FnvHashMap::default()
+            &FxHashMap::from_iter([("typing.re", FxHashSet::from_iter(["match"]))]),
+            &FxHashMap::default()
        ));

        let expr = parser::parse_expression("re.match.Match", "<filename>")?;
@@ -367,8 +416,8 @@ mod tests {
            &expr,
            "typing.re.match",
            "Match",
-            &FnvHashMap::from_iter([("typing", FnvHashSet::from_iter(["re"]))]),
-            &FnvHashMap::default()
+            &FxHashMap::from_iter([("typing", FxHashSet::from_iter(["re"]))]),
+            &FxHashMap::default()
        ));
        Ok(())
    }
@@ -380,8 +429,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::from_iter([("typing.re", FnvHashSet::from_iter(["Match"]))]),
-            &FnvHashMap::from_iter([("IMatch", "Match")]),
+            &FxHashMap::from_iter([("typing.re", FxHashSet::from_iter(["Match"]))]),
+            &FxHashMap::from_iter([("IMatch", "Match")]),
        ));
        Ok(())
    }
@@ -393,8 +442,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::default(),
-            &FnvHashMap::from_iter([("t", "typing.re")]),
+            &FxHashMap::default(),
+            &FxHashMap::from_iter([("t", "typing.re")]),
        ));
        Ok(())
    }
@@ -406,8 +455,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::default(),
-            &FnvHashMap::from_iter([("t", "typing")]),
+            &FxHashMap::default(),
+            &FxHashMap::from_iter([("t", "typing")]),
        ));
        Ok(())
    }
--- a/src/ast/mod.rs
+++ b/src/ast/mod.rs
@@ -3,3 +3,4 @@ pub mod operations;
 pub mod relocate;
 pub mod types;
 pub mod visitor;
+pub mod whitespace;
--- a/src/ast/operations.rs
+++ b/src/ast/operations.rs
@@ -4,8 +4,6 @@ use crate::ast::types::{BindingKind, Scope};

 /// Extract the names bound to a given __all__ assignment.
 pub fn extract_all_names(stmt: &Stmt, scope: &Scope) -> Vec<String> {
-    let mut names: Vec<String> = vec![];
-
    fn add_to_names(names: &mut Vec<String>, elts: &[Expr]) {
        for elt in elts {
            if let ExprKind::Constant {
@@ -13,11 +11,13 @@ pub fn extract_all_names(stmt: &Stmt, scope: &Scope) -> Vec<String> {
                ..
            } = &elt.node
            {
-                names.push(value.to_string())
+                names.push(value.to_string());
            }
        }
    }

+    let mut names: Vec<String> = vec![];
+
    // Grab the existing bound __all__ values.
    if let StmtKind::AugAssign { .. } = &stmt.node {
        if let Some(binding) = scope.values.get("__all__") {
@@ -35,7 +35,7 @@ pub fn extract_all_names(stmt: &Stmt, scope: &Scope) -> Vec<String> {
    } {
        match &value.node {
            ExprKind::List { elts, .. } | ExprKind::Tuple { elts, .. } => {
-                add_to_names(&mut names, elts)
+                add_to_names(&mut names, elts);
            }
            ExprKind::BinOp { left, right, .. } => {
                let mut current_left = left;
--- a/src/ast/types.rs
+++ b/src/ast/types.rs
@@ -1,7 +1,7 @@
 use std::sync::atomic::{AtomicUsize, Ordering};

-use fnv::FnvHashMap;
-use rustpython_ast::{Expr, Keyword};
+use rustc_hash::FxHashMap;
+use rustpython_ast::{Expr, Keyword, Stmt};
 use rustpython_parser::ast::{Located, Location};

 fn id() -> usize {
@@ -9,6 +9,12 @@ fn id() -> usize {
    COUNTER.fetch_add(1, Ordering::Relaxed)
 }

+#[derive(Clone)]
+pub enum Node<'a> {
+    Stmt(&'a Stmt),
+    Expr(&'a Expr),
+}
+
 #[derive(Clone, Copy, Debug, Default, PartialEq, Eq, PartialOrd, Ord)]
 pub struct Range {
    pub location: Location,
@@ -19,9 +25,7 @@ impl Range {
    pub fn from_located<T>(located: &Located<T>) -> Self {
        Range {
            location: located.location,
-            end_location: located
-                .end_location
-                .expect("AST nodes should have end_location."),
+            end_location: located.end_location.unwrap(),
        }
    }
 }
@@ -54,7 +58,7 @@ pub struct Scope<'a> {
    pub id: usize,
    pub kind: ScopeKind<'a>,
    pub import_starred: bool,
-    pub values: FnvHashMap<&'a str, Binding>,
+    pub values: FxHashMap<&'a str, Binding>,
 }

 impl<'a> Scope<'a> {
@@ -63,7 +67,7 @@ impl<'a> Scope<'a> {
            id: id(),
            kind,
            import_starred: false,
-            values: FnvHashMap::default(),
+            values: FxHashMap::default(),
        }
    }
 }
@@ -83,6 +87,7 @@ pub enum BindingKind {
    Binding,
    LoopVar,
    Global,
+    Nonlocal,
    Builtin,
    ClassDefinition,
    Definition,
--- a/src/ast/visitor.rs
+++ b/src/ast/visitor.rs
@@ -19,8 +19,8 @@ pub trait Visitor<'a> {
    fn visit_constant(&mut self, constant: &'a Constant) {
        walk_constant(self, constant);
    }
-    fn visit_expr_context(&mut self, expr_content: &'a ExprContext) {
-        walk_expr_context(self, expr_content);
+    fn visit_expr_context(&mut self, expr_context: &'a ExprContext) {
+        walk_expr_context(self, expr_context);
    }
    fn visit_boolop(&mut self, boolop: &'a Boolop) {
        walk_boolop(self, boolop);
@@ -249,7 +249,7 @@ pub fn walk_stmt<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, stmt: &'a Stmt) {
                visitor.visit_stmt(stmt);
            }
            for excepthandler in handlers {
-                visitor.visit_excepthandler(excepthandler)
+                visitor.visit_excepthandler(excepthandler);
            }
            for stmt in orelse {
                visitor.visit_stmt(stmt);
@@ -447,7 +447,7 @@ pub fn walk_expr<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, expr: &'a Expr) {
 pub fn walk_constant<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, constant: &'a Constant) {
    if let Constant::Tuple(constants) = constant {
        for constant in constants {
-            visitor.visit_constant(constant)
+            visitor.visit_constant(constant);
        }
    }
 }
@@ -456,8 +456,8 @@ pub fn walk_comprehension<'a, V: Visitor<'a> + ?Sized>(
    visitor: &mut V,
    comprehension: &'a Comprehension,
 ) {
-    visitor.visit_expr(&comprehension.target);
    visitor.visit_expr(&comprehension.iter);
+    visitor.visit_expr(&comprehension.target);
    for expr in &comprehension.ifs {
        visitor.visit_expr(expr);
    }
@@ -577,7 +577,6 @@ pub fn walk_pattern<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, pattern: &'a P
 }

 #[allow(unused_variables)]
-#[inline(always)]
 pub fn walk_expr_context<'a, V: Visitor<'a> + ?Sized>(
    visitor: &mut V,
    expr_context: &'a ExprContext,
@@ -585,21 +584,16 @@ pub fn walk_expr_context<'a, V: Visitor<'a> + ?Sized>(
 }

 #[allow(unused_variables)]
-#[inline(always)]
 pub fn walk_boolop<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, boolop: &'a Boolop) {}

 #[allow(unused_variables)]
-#[inline(always)]
 pub fn walk_operator<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, operator: &'a Operator) {}

 #[allow(unused_variables)]
-#[inline(always)]
 pub fn walk_unaryop<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, unaryop: &'a Unaryop) {}

 #[allow(unused_variables)]
-#[inline(always)]
 pub fn walk_cmpop<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, cmpop: &'a Cmpop) {}

 #[allow(unused_variables)]
-#[inline(always)]
 pub fn walk_alias<'a, V: Visitor<'a> + ?Sized>(visitor: &mut V, alias: &'a Alias) {}
--- a/src/docstrings/helpers.rs
+++ b/src/docstrings/helpers.rs
@@ -3,12 +3,6 @@ use rustpython_ast::{Located, Location};
 use crate::ast::types::Range;
 use crate::check_ast::Checker;

-pub const TRIPLE_QUOTE_PREFIXES: &[&str] = &[
-    "ur\"\"\"", "ur'''", "u\"\"\"", "u'''", "r\"\"\"", "r'''", "\"\"\"", "'''",
-];
-
-pub const SINGLE_QUOTE_PREFIXES: &[&str] = &["ur\"", "ur'", "u\"", "u'", "r\"", "r'", "\"", "'"];
-
 /// Extract the leading words from a line of text.
 pub fn leading_words(line: &str) -> String {
    line.trim()
@@ -25,7 +19,7 @@ pub fn leading_space(line: &str) -> String {
 }

 /// Extract the leading indentation from a line.
-pub fn indentation<'a, T>(checker: &'a Checker, located: &Located<T>) -> String {
+pub fn indentation<T>(checker: &Checker, located: &Located<T>) -> String {
    let range = Range::from_located(located);
    checker
        .locator
--- a/src/autofix/fixer.rs
+++ b/src/autofix/fixer.rs
@@ -10,8 +10,6 @@ use crate::autofix::{Fix, Patch};
 use crate::checks::Check;
 use crate::source_code_locator::SourceCodeLocator;

-// TODO(charlie): The model here is awkward because `Apply` is only relevant at
-// higher levels in the execution flow.
 #[derive(Hash)]
 pub enum Mode {
    Generate,
@@ -19,55 +17,55 @@ pub enum Mode {
    None,
 }

-impl Mode {
-    /// Return `true` if a patch should be generated under the given `Mode`.
-    pub fn patch(&self) -> bool {
-        match &self {
-            Mode::Generate => true,
-            Mode::Apply => true,
-            Mode::None => false,
+impl From<bool> for Mode {
+    fn from(value: bool) -> Self {
+        if value {
+            Mode::Apply
+        } else {
+            Mode::None
        }
    }
 }

-impl From<bool> for Mode {
-    fn from(value: bool) -> Self {
+impl From<&Mode> for bool {
+    fn from(value: &Mode) -> Self {
        match value {
-            true => Mode::Apply,
-            false => Mode::None,
+            Mode::Generate | Mode::Apply => true,
+            Mode::None => false,
        }
    }
 }

 /// Auto-fix errors in a file, and write the fixed source code to disk.
 pub fn fix_file<'a>(
-    checks: &'a mut [Check],
+    checks: &'a [Check],
    locator: &'a SourceCodeLocator<'a>,
-) -> Option<Cow<'a, str>> {
+) -> Option<(Cow<'a, str>, usize)> {
    if checks.iter().all(|check| check.fix.is_none()) {
        return None;
    }

    Some(apply_fixes(
-        checks.iter_mut().filter_map(|check| check.fix.as_mut()),
+        checks.iter().filter_map(|check| check.fix.as_ref()),
        locator,
    ))
 }

 /// Apply a series of fixes.
 fn apply_fixes<'a>(
-    fixes: impl Iterator<Item = &'a mut Fix>,
+    fixes: impl Iterator<Item = &'a Fix>,
    locator: &'a SourceCodeLocator<'a>,
-) -> Cow<'a, str> {
+) -> (Cow<'a, str>, usize) {
    let mut output = RopeBuilder::new();
    let mut last_pos: Location = Location::new(1, 0);
    let mut applied: BTreeSet<&Patch> = BTreeSet::default();
+    let mut num_fixed: usize = 0;

    for fix in fixes.sorted_by_key(|fix| fix.patch.location) {
        // If we already applied an identical fix as part of another correction, skip
        // any re-application.
        if applied.contains(&fix.patch) {
-            fix.applied = true;
+            num_fixed += 1;
            continue;
        }

@@ -90,19 +88,18 @@ fn apply_fixes<'a>(
        // Track that the fix was applied.
        last_pos = fix.patch.end_location;
        applied.insert(&fix.patch);
-        fix.applied = true;
+        num_fixed += 1;
    }

    // Add the remaining content.
-    let slice = locator.slice_source_code_at(&last_pos);
+    let slice = locator.slice_source_code_at(last_pos);
    output.append(&slice);

-    Cow::from(output.finish())
+    (Cow::from(output.finish()), num_fixed)
 }

 #[cfg(test)]
 mod tests {
-    use anyhow::Result;
    use rustpython_parser::ast::Location;

    use crate::autofix::fixer::apply_fixes;
@@ -110,115 +107,117 @@ mod tests {
    use crate::SourceCodeLocator;

    #[test]
-    fn empty_file() -> Result<()> {
-        let mut fixes = vec![];
-        let locator = SourceCodeLocator::new("");
-        let actual = apply_fixes(fixes.iter_mut(), &locator);
-        let expected = "";
-
-        assert_eq!(actual, expected);
-
-        Ok(())
+    fn empty_file() {
+        let fixes = vec![];
+        let locator = SourceCodeLocator::new(r#""#);
+        let (contents, fixed) = apply_fixes(fixes.iter(), &locator);
+        assert_eq!(contents, "");
+        assert_eq!(fixed, 0);
    }

    #[test]
-    fn apply_single_replacement() -> Result<()> {
-        let mut fixes = vec![Fix {
+    fn apply_single_replacement() {
+        let fixes = vec![Fix {
            patch: Patch {
                content: "Bar".to_string(),
                location: Location::new(1, 8),
                end_location: Location::new(1, 14),
            },
-            applied: false,
        }];
        let locator = SourceCodeLocator::new(
-            "class A(object):
-        ...
-",
+            r#"
+class A(object):
+    ...
+"#
+            .trim(),
        );
-        let actual = apply_fixes(fixes.iter_mut(), &locator);
-
-        let expected = "class A(Bar):
-        ...
-";
-
-        assert_eq!(actual, expected);
-
-        Ok(())
+        let (contents, fixed) = apply_fixes(fixes.iter(), &locator);
+        assert_eq!(
+            contents,
+            r#"
+class A(Bar):
+    ...
+"#
+            .trim(),
+        );
+        assert_eq!(fixed, 1);
    }

    #[test]
-    fn apply_single_removal() -> Result<()> {
-        let mut fixes = vec![Fix {
+    fn apply_single_removal() {
+        let fixes = vec![Fix {
            patch: Patch {
-                content: "".to_string(),
+                content: String::new(),
                location: Location::new(1, 7),
                end_location: Location::new(1, 15),
            },
-            applied: false,
        }];
        let locator = SourceCodeLocator::new(
-            "class A(object):
-        ...
-",
+            r#"
+class A(object):
+    ...
+"#
+            .trim(),
        );
-        let actual = apply_fixes(fixes.iter_mut(), &locator);
-
-        let expected = "class A:
-        ...
-";
-
-        assert_eq!(actual, expected);
-
-        Ok(())
+        let (contents, fixed) = apply_fixes(fixes.iter(), &locator);
+        assert_eq!(
+            contents,
+            r#"
+class A:
+    ...
+"#
+            .trim()
+        );
+        assert_eq!(fixed, 1);
    }

    #[test]
-    fn apply_double_removal() -> Result<()> {
-        let mut fixes = vec![
+    fn apply_double_removal() {
+        let fixes = vec![
            Fix {
                patch: Patch {
-                    content: "".to_string(),
+                    content: String::new(),
                    location: Location::new(1, 7),
                    end_location: Location::new(1, 16),
                },
-                applied: false,
            },
            Fix {
                patch: Patch {
-                    content: "".to_string(),
+                    content: String::new(),
                    location: Location::new(1, 16),
                    end_location: Location::new(1, 23),
                },
-                applied: false,
            },
        ];
        let locator = SourceCodeLocator::new(
-            "class A(object, object):
-        ...
-",
+            r#"
+class A(object, object):
+    ...
+"#
+            .trim(),
        );
-        let actual = apply_fixes(fixes.iter_mut(), &locator);
+        let (contents, fixed) = apply_fixes(fixes.iter(), &locator);

-        let expected = "class A:
-        ...
-";
-
-        assert_eq!(actual, expected);
-
-        Ok(())
+        assert_eq!(
+            contents,
+            r#"
+class A:
+    ...
+"#
+            .trim()
+        );
+        assert_eq!(fixed, 2);
    }

    #[test]
-    fn ignore_overlapping_fixes() -> Result<()> {
-        let mut fixes = vec![
+    fn ignore_overlapping_fixes() {
+        let fixes = vec![
            Fix {
                patch: Patch {
-                    content: "".to_string(),
+                    content: String::new(),
                    location: Location::new(1, 7),
                    end_location: Location::new(1, 15),
                },
-                applied: false,
            },
            Fix {
                patch: Patch {
@@ -226,22 +225,24 @@ mod tests {
                    location: Location::new(1, 9),
                    end_location: Location::new(1, 11),
                },
-                applied: false,
            },
        ];
        let locator = SourceCodeLocator::new(
-            "class A(object):
+            r#"
+class A(object):
    ...
-",
+"#
+            .trim(),
        );
-        let actual = apply_fixes(fixes.iter_mut(), &locator);
-
-        let expected = "class A:
+        let (contents, fixed) = apply_fixes(fixes.iter(), &locator);
+        assert_eq!(
+            contents,
+            r#"
+class A:
    ...
-";
-
-        assert_eq!(actual, expected);
-
-        Ok(())
+"#
+            .trim(),
+        );
+        assert_eq!(fixed, 1);
    }
 }
--- a/src/autofix/mod.rs
+++ b/src/autofix/mod.rs
@@ -14,18 +14,16 @@ pub struct Patch {
 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub struct Fix {
    pub patch: Patch,
-    pub applied: bool,
 }

 impl Fix {
    pub fn deletion(start: Location, end: Location) -> Self {
        Self {
            patch: Patch {
-                content: "".to_string(),
+                content: String::new(),
                location: start,
                end_location: end,
            },
-            applied: false,
        }
    }

@@ -36,7 +34,6 @@ impl Fix {
                location: start,
                end_location: end,
            },
-            applied: false,
        }
    }

@@ -47,18 +44,16 @@ impl Fix {
                location: at,
                end_location: at,
            },
-            applied: false,
        }
    }

    pub fn dummy(location: Location) -> Self {
        Self {
            patch: Patch {
-                content: "".to_string(),
+                content: String::new(),
                location,
                end_location: location,
            },
-            applied: false,
        }
    }
 }
--- a/src/cache.rs
+++ b/src/cache.rs
@@ -1,19 +1,11 @@
-// cacache uses asyncd-std which has no wasm support, so currently no caching
-// support on wasm
-#![cfg_attr(
-    target_family = "wasm",
-    allow(unused_imports, unused_variables, dead_code)
-)]
-
 use std::collections::hash_map::DefaultHasher;
+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 anyhow::Result;
-#[cfg(not(target_family = "wasm"))]
-use cacache::Error::EntryNotFound;
 use filetime::FileTime;
 use log::error;
 use path_absolutize::Absolutize;
@@ -71,9 +63,10 @@ impl Mode {

 impl From<bool> for Mode {
    fn from(value: bool) -> Self {
-        match value {
-            true => Mode::ReadWrite,
-            false => Mode::None,
+        if value {
+            Mode::ReadWrite
+        } else {
+            Mode::None
        }
    }
 }
@@ -82,28 +75,59 @@ fn cache_dir() -> &'static str {
    "./.ruff_cache"
 }

-fn cache_key(path: &Path, settings: &Settings, autofix: &fixer::Mode) -> String {
+fn content_dir() -> &'static str {
+    "content"
+}
+
+fn cache_key(path: &Path, settings: &Settings, autofix: &fixer::Mode) -> u64 {
    let mut hasher = DefaultHasher::new();
+    CARGO_PKG_VERSION.hash(&mut hasher);
+    path.absolutize().unwrap().hash(&mut hasher);
    settings.hash(&mut hasher);
    autofix.hash(&mut hasher);
-    format!(
-        "{}@{}@{}",
-        path.absolutize().unwrap().to_string_lossy(),
-        CARGO_PKG_VERSION,
-        hasher.finish()
+    hasher.finish()
+}
+
+/// Initialize the cache directory.
+pub fn init() -> Result<()> {
+    let path = Path::new(cache_dir());
+
+    // Create the cache directories.
+    create_dir_all(path.join(content_dir()))?;
+
+    // Add the CACHEDIR.TAG.
+    if !cachedir::is_tagged(path)? {
+        cachedir::add_tag(path)?;
+    }
+
+    // Add the .gitignore.
+    let gitignore_path = path.join(".gitignore");
+    if !gitignore_path.exists() {
+        let mut file = File::create(gitignore_path)?;
+        file.write_all(b"*")?;
+    }
+
+    Ok(())
+}
+
+fn write_sync(key: u64, value: &[u8]) -> Result<(), std::io::Error> {
+    fs::write(
+        Path::new(cache_dir())
+            .join(content_dir())
+            .join(format!("{key:x}")),
+        value,
    )
 }

-pub fn init() -> Result<()> {
-    let gitignore_path = Path::new(cache_dir()).join(".gitignore");
-    if gitignore_path.exists() {
-        return Ok(());
-    }
-    create_dir_all(cache_dir())?;
-    let mut file = File::create(gitignore_path)?;
-    file.write_all(b"*").map_err(|e| e.into())
+fn read_sync(key: u64) -> Result<Vec<u8>, std::io::Error> {
+    fs::read(
+        Path::new(cache_dir())
+            .join(content_dir())
+            .join(format!("{key:x}")),
+    )
 }

+/// Get a value from the cache.
 pub fn get(
    path: &Path,
    metadata: &Metadata,
@@ -115,9 +139,8 @@ pub fn get(
        return None;
    };

-    #[cfg(not(target_family = "wasm"))] // cacache needs async-std which doesn't support wasm
-    match cacache::read_sync(cache_dir(), cache_key(path, settings, autofix)) {
-        Ok(encoded) => match bincode::deserialize::<CheckResult>(&encoded[..]) {
+    if let Ok(encoded) = read_sync(cache_key(path, settings, autofix)) {
+        match bincode::deserialize::<CheckResult>(&encoded[..]) {
            Ok(CheckResult {
                metadata: CacheMetadata { mtime },
                messages,
@@ -127,13 +150,12 @@ pub fn get(
                }
            }
            Err(e) => error!("Failed to deserialize encoded cache entry: {e:?}"),
-        },
-        Err(EntryNotFound(..)) => {}
-        Err(e) => error!("Failed to read from cache: {e:?}"),
+        }
    }
    None
 }

+/// Set a value in the cache.
 pub fn set(
    path: &Path,
    metadata: &Metadata,
@@ -146,19 +168,16 @@ pub fn set(
        return;
    };

-    #[cfg(not(target_family = "wasm"))] // modification date not supported on wasm
    let check_result = CheckResultRef {
        metadata: &CacheMetadata {
            mtime: FileTime::from_last_modification_time(metadata).unix_seconds(),
        },
        messages,
    };
-    #[cfg(not(target_family = "wasm"))] // cacache needs async-std which doesn't support wasm
-    if let Err(e) = cacache::write_sync(
-        cache_dir(),
+    if let Err(e) = write_sync(
        cache_key(path, settings, autofix),
-        bincode::serialize(&check_result).unwrap(),
+        &bincode::serialize(&check_result).unwrap(),
    ) {
-        error!("Failed to write to cache: {e:?}")
+        error!("Failed to write to cache: {e:?}");
    }
 }
--- a/src/check_ast.rs
+++ b/src/check_ast.rs
--- a/src/check_imports.rs
+++ b/src/check_imports.rs
@@ -4,7 +4,6 @@ use nohash_hasher::IntSet;
 use rustpython_parser::ast::Suite;

 use crate::ast::visitor::Visitor;
-use crate::autofix::fixer;
 use crate::checks::Check;
 use crate::isort;
 use crate::isort::track::ImportTracker;
@@ -15,12 +14,12 @@ fn check_import_blocks(
    tracker: ImportTracker,
    locator: &SourceCodeLocator,
    settings: &Settings,
-    autofix: &fixer::Mode,
+    autofix: bool,
 ) -> Vec<Check> {
    let mut checks = vec![];
    for block in tracker.into_iter() {
        if !block.is_empty() {
-            if let Some(check) = isort::plugins::check_imports(block, locator, settings, autofix) {
+            if let Some(check) = isort::plugins::check_imports(&block, locator, settings, autofix) {
                checks.push(check);
            }
        }
@@ -33,7 +32,7 @@ pub fn check_imports(
    locator: &SourceCodeLocator,
    exclusions: &IntSet<usize>,
    settings: &Settings,
-    autofix: &fixer::Mode,
+    autofix: bool,
 ) -> Vec<Check> {
    let mut tracker = ImportTracker::new(exclusions);
    for stmt in python_ast {
--- a/src/check_lines.rs
+++ b/src/check_lines.rs
@@ -6,7 +6,7 @@ use regex::Regex;
 use rustpython_parser::ast::Location;

 use crate::ast::types::Range;
-use crate::autofix::{fixer, Fix};
+use crate::autofix::Fix;
 use crate::checks::{Check, CheckCode, CheckKind};
 use crate::noqa;
 use crate::noqa::Directive;
@@ -14,15 +14,18 @@ use crate::settings::Settings;

 // Regex from PEP263
 static CODING_COMMENT_REGEX: Lazy<Regex> =
-    Lazy::new(|| Regex::new(r"^[ \t\f]*#.*?coding[:=][ \t]*utf-?8").expect("Invalid regex"));
+    Lazy::new(|| Regex::new(r"^[ \t\f]*#.*?coding[:=][ \t]*utf-?8").unwrap());
+
+static URL_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"^https?://\S+$").unwrap());

 /// Whether the given line is too long and should be reported.
 fn should_enforce_line_length(line: &str, length: usize, limit: usize) -> bool {
    if length > limit {
        let mut chunks = line.split_whitespace();
        if let (Some(first), Some(_)) = (chunks.next(), chunks.next()) {
-            // Do not enforce the line length for commented lines with a single word
-            !(first == "#" && chunks.next().is_none())
+            // Do not enforce the line length for commented lines that end with a URL
+            // or contain only a single word.
+            !(first == "#" && chunks.last().map_or(true, |c| URL_REGEX.is_match(c)))
        } else {
            // Single word / no printable chars - no way to make the line shorter
            false
@@ -37,7 +40,8 @@ pub fn check_lines(
    contents: &str,
    noqa_line_for: &IntMap<usize, usize>,
    settings: &Settings,
-    autofix: &fixer::Mode,
+    autofix: bool,
+    ignore_noqa: bool,
 ) {
    let enforce_unnecessary_coding_comment = settings.enabled.contains(&CheckCode::U009);
    let enforce_line_too_long = settings.enabled.contains(&CheckCode::E501);
@@ -53,6 +57,30 @@ pub fn check_lines(
        assert!(check.location.row() >= 1);
    }

+    macro_rules! add_if {
+        ($check:expr, $noqa:expr) => {{
+            match $noqa {
+                (Directive::All(..), matches) => {
+                    matches.push($check.kind.code().as_ref());
+                    if ignore_noqa {
+                        line_checks.push($check);
+                    }
+                }
+                (Directive::Codes(.., codes), matches) => {
+                    if codes.contains(&$check.kind.code().as_ref()) {
+                        matches.push($check.kind.code().as_ref());
+                        if ignore_noqa {
+                            line_checks.push($check);
+                        }
+                    } else {
+                        line_checks.push($check);
+                    }
+                }
+                (Directive::None, ..) => line_checks.push($check),
+            }
+        }};
+    }
+
    let lines: Vec<&str> = contents.lines().collect();
    for (lineno, line) in lines.iter().enumerate() {
        // Grab the noqa (logical) line number for the current (physical) line.
@@ -65,21 +93,24 @@ pub fn check_lines(
            if lineno < 2 {
                // PEP3120 makes utf-8 the default encoding.
                if CODING_COMMENT_REGEX.is_match(line) {
-                    let line_length = line.len();
                    let mut check = Check::new(
                        CheckKind::PEP3120UnnecessaryCodingComment,
                        Range {
                            location: Location::new(lineno + 1, 0),
-                            end_location: Location::new(lineno + 1, line_length + 1),
+                            end_location: Location::new(lineno + 2, 0),
                        },
                    );
-                    if autofix.patch() && settings.fixable.contains(check.kind.code()) {
+                    if autofix && settings.fixable.contains(check.kind.code()) {
                        check.amend(Fix::deletion(
                            Location::new(lineno + 1, 0),
-                            Location::new(lineno + 1, line_length + 1),
+                            Location::new(lineno + 2, 0),
                        ));
                    }
-                    line_checks.push(check);
+
+                    let noqa = noqa_directives.entry(noqa_lineno).or_insert_with(|| {
+                        (noqa::extract_noqa_directive(lines[noqa_lineno]), vec![])
+                    });
+                    add_if!(check, noqa);
                }
            }
        }
@@ -101,15 +132,15 @@ pub fn check_lines(
            match noqa {
                (Directive::All(..), matches) => {
                    matches.push(check.kind.code().as_ref());
-                    ignored.push(index)
+                    ignored.push(index);
                }
-                (Directive::Codes(_, _, codes), matches) => {
+                (Directive::Codes(.., codes), matches) => {
                    if codes.contains(&check.kind.code().as_ref()) {
                        matches.push(check.kind.code().as_ref());
                        ignored.push(index);
                    }
                }
-                (Directive::None, _) => {}
+                (Directive::None, ..) => {}
            }
        }

@@ -117,10 +148,6 @@ pub fn check_lines(
        if enforce_line_too_long {
            let line_length = line.chars().count();
            if should_enforce_line_length(line, line_length, settings.line_length) {
-                let noqa = noqa_directives
-                    .entry(noqa_lineno)
-                    .or_insert_with(|| (noqa::extract_noqa_directive(lines[noqa_lineno]), vec![]));
-
                let check = Check::new(
                    CheckKind::LineTooLong(line_length, settings.line_length),
                    Range {
@@ -129,35 +156,19 @@ pub fn check_lines(
                    },
                );

-                match noqa {
-                    (Directive::All(..), matches) => {
-                        matches.push(check.kind.code().as_ref());
-                    }
-                    (Directive::Codes(_, _, codes), matches) => {
-                        if codes.contains(&check.kind.code().as_ref()) {
-                            matches.push(check.kind.code().as_ref());
-                        } else {
-                            line_checks.push(check);
-                        }
-                    }
-                    (Directive::None, _) => line_checks.push(check),
-                }
+                let noqa = noqa_directives
+                    .entry(noqa_lineno)
+                    .or_insert_with(|| (noqa::extract_noqa_directive(lines[noqa_lineno]), vec![]));
+                add_if!(check, noqa);
            }
        }
    }

-    // Enforce newlines at end of files.
+    // Enforce newlines at end of files (W292).
    if settings.enabled.contains(&CheckCode::W292) && !contents.ends_with('\n') {
        // Note: if `lines.last()` is `None`, then `contents` is empty (and so we don't
        // want to raise W292 anyway).
        if let Some(line) = lines.last() {
-            let lineno = lines.len() - 1;
-            let noqa_lineno = noqa_line_for.get(&(lineno + 1)).unwrap_or(&(lineno + 1)) - 1;
-
-            let noqa = noqa_directives
-                .entry(noqa_lineno)
-                .or_insert_with(|| (noqa::extract_noqa_directive(lines[noqa_lineno]), vec![]));
-
            let check = Check::new(
                CheckKind::NoNewLineAtEndOfFile,
                Range {
@@ -166,27 +177,20 @@ pub fn check_lines(
                },
            );

-            match noqa {
-                (Directive::All(..), matches) => {
-                    matches.push(check.kind.code().as_ref());
-                }
-                (Directive::Codes(_, _, codes), matches) => {
-                    if codes.contains(&check.kind.code().as_ref()) {
-                        matches.push(check.kind.code().as_ref());
-                    } else {
-                        line_checks.push(check);
-                    }
-                }
-                (Directive::None, _) => line_checks.push(check),
-            }
+            let lineno = lines.len() - 1;
+            let noqa_lineno = noqa_line_for.get(&(lineno + 1)).unwrap_or(&(lineno + 1)) - 1;
+            let noqa = noqa_directives
+                .entry(noqa_lineno)
+                .or_insert_with(|| (noqa::extract_noqa_directive(lines[noqa_lineno]), vec![]));
+            add_if!(check, noqa);
        }
    }

-    // Enforce that the noqa directive was actually used.
+    // Enforce that the noqa directive was actually used (M001).
    if enforce_noqa {
        for (row, (directive, matches)) in noqa_directives {
            match directive {
-                Directive::All(start, end) => {
+                Directive::All(spaces, start, end) => {
                    if matches.is_empty() {
                        let mut check = Check::new(
                            CheckKind::UnusedNOQA(None),
@@ -195,23 +199,23 @@ pub fn check_lines(
                                end_location: Location::new(row + 1, end),
                            },
                        );
-                        if autofix.patch() && settings.fixable.contains(check.kind.code()) {
+                        if autofix && settings.fixable.contains(check.kind.code()) {
                            check.amend(Fix::deletion(
-                                Location::new(row + 1, start),
+                                Location::new(row + 1, start - spaces),
                                Location::new(row + 1, lines[row].chars().count()),
                            ));
                        }
                        line_checks.push(check);
                    }
                }
-                Directive::Codes(start, end, codes) => {
+                Directive::Codes(spaces, start, end, codes) => {
                    let mut invalid_codes = vec![];
                    let mut valid_codes = vec![];
                    for code in codes {
-                        if !matches.contains(&code) {
-                            invalid_codes.push(code.to_string());
-                        } else {
+                        if matches.contains(&code) {
                            valid_codes.push(code.to_string());
+                        } else {
+                            invalid_codes.push(code.to_string());
                        }
                    }

@@ -223,15 +227,15 @@ pub fn check_lines(
                                end_location: Location::new(row + 1, end),
                            },
                        );
-                        if autofix.patch() && settings.fixable.contains(check.kind.code()) {
+                        if autofix && settings.fixable.contains(check.kind.code()) {
                            if valid_codes.is_empty() {
                                check.amend(Fix::deletion(
-                                    Location::new(row + 1, start),
+                                    Location::new(row + 1, start - spaces),
                                    Location::new(row + 1, lines[row].chars().count()),
                                ));
                            } else {
                                check.amend(Fix::replacement(
-                                    format!("  # noqa: {}", valid_codes.join(", ")),
+                                    format!("# noqa: {}", valid_codes.join(", ")),
                                    Location::new(row + 1, start),
                                    Location::new(row + 1, lines[row].chars().count()),
                                ));
@@ -245,9 +249,11 @@ pub fn check_lines(
        }
    }

-    ignored.sort();
-    for index in ignored.iter().rev() {
-        checks.swap_remove(*index);
+    if !ignore_noqa {
+        ignored.sort_unstable();
+        for index in ignored.iter().rev() {
+            checks.swap_remove(*index);
+        }
    }
    checks.extend(line_checks);
 }
@@ -257,14 +263,13 @@ mod tests {
    use nohash_hasher::IntMap;

    use super::check_lines;
-    use crate::autofix::fixer;
    use crate::checks::{Check, CheckCode};
    use crate::settings::Settings;

    #[test]
    fn e501_non_ascii_char() {
        let line = "'\u{4e9c}' * 2"; // 7 in UTF-32, 9 in UTF-8.
-        let noqa_line_for: IntMap<usize, usize> = Default::default();
+        let noqa_line_for: IntMap<usize, usize> = IntMap::default();
        let check_with_max_line_length = |line_length: usize| {
            let mut checks: Vec<Check> = vec![];
            check_lines(
@@ -275,7 +280,8 @@ mod tests {
                    line_length,
                    ..Settings::for_rule(CheckCode::E501)
                },
-                &fixer::Mode::Generate,
+                true,
+                false,
            );
            checks
        };
--- a/src/check_tokens.rs
+++ b/src/check_tokens.rs
@@ -2,20 +2,20 @@

 use rustpython_parser::lexer::{LexResult, Tok};

-use crate::autofix::fixer;
 use crate::checks::{Check, CheckCode};
 use crate::lex::docstring_detection::StateMachine;
 use crate::rules::checks::Context;
 use crate::source_code_locator::SourceCodeLocator;
-use crate::{flake8_quotes, pycodestyle, rules, Settings};
+use crate::{eradicate, flake8_quotes, pycodestyle, rules, Settings};

 pub fn check_tokens(
-    checks: &mut Vec<Check>,
    locator: &SourceCodeLocator,
    tokens: &[LexResult],
    settings: &Settings,
-    autofix: &fixer::Mode,
-) {
+    autofix: bool,
+) -> Vec<Check> {
+    let mut checks: Vec<Check> = vec![];
+
    let enforce_ambiguous_unicode_character = settings.enabled.contains(&CheckCode::RUF001)
        || settings.enabled.contains(&CheckCode::RUF002)
        || settings.enabled.contains(&CheckCode::RUF003);
@@ -23,10 +23,11 @@ pub fn check_tokens(
        || settings.enabled.contains(&CheckCode::Q001)
        || settings.enabled.contains(&CheckCode::Q002)
        || settings.enabled.contains(&CheckCode::Q003);
+    let enforce_commented_out_code = settings.enabled.contains(&CheckCode::ERA001);
    let enforce_invalid_escape_sequence = settings.enabled.contains(&CheckCode::W605);

-    let mut state_machine: StateMachine = Default::default();
-    for (start, tok, end) in tokens.iter().flatten() {
+    let mut state_machine = StateMachine::default();
+    for &(start, ref tok, end) in tokens.iter().flatten() {
        let is_docstring = if enforce_ambiguous_unicode_character || enforce_quotes {
            state_machine.consume(tok)
        } else {
@@ -72,6 +73,17 @@ pub fn check_tokens(
            }
        }

+        // eradicate
+        if enforce_commented_out_code {
+            if matches!(tok, Tok::Comment) {
+                if let Some(check) =
+                    eradicate::checks::commented_out_code(locator, start, end, settings, autofix)
+                {
+                    checks.push(check);
+                }
+            }
+        }
+
        // W605
        if enforce_invalid_escape_sequence {
            if matches!(tok, Tok::String { .. }) {
@@ -81,4 +93,6 @@ pub fn check_tokens(
            }
        }
    }
+
+    checks
 }
--- a/src/checks.rs
+++ b/src/checks.rs
--- a/src/checks_gen.rs
+++ b/src/checks_gen.rs
@@ -1,4 +1,4 @@
-//! File automatically generated by examples/generate_check_code_prefix.rs.
+//! File automatically generated by `examples/generate_check_code_prefix.rs`.

 use serde::{Deserialize, Serialize};
 use strum_macros::EnumString;
@@ -59,10 +59,14 @@ pub enum CheckCodePrefix {
    B020,
    B021,
    B022,
+    B023,
    B024,
    B025,
    B026,
    B027,
+    B9,
+    B90,
+    B904,
    BLE,
    BLE0,
    BLE00,
@@ -172,6 +176,10 @@ pub enum CheckCodePrefix {
    E902,
    E99,
    E999,
+    ERA,
+    ERA8,
+    ERA80,
+    ERA001,
    F,
    F4,
    F40,
@@ -183,6 +191,22 @@ pub enum CheckCodePrefix {
    F406,
    F407,
    F5,
+    F50,
+    F501,
+    F502,
+    F503,
+    F504,
+    F505,
+    F506,
+    F507,
+    F508,
+    F509,
+    F52,
+    F521,
+    F522,
+    F523,
+    F524,
+    F525,
    F54,
    F541,
    F6,
@@ -267,6 +291,9 @@ pub enum CheckCodePrefix {
    RUF001,
    RUF002,
    RUF003,
+    RUF1,
+    RUF10,
+    RUF101,
    S,
    S1,
    S10,
@@ -277,6 +304,9 @@ pub enum CheckCodePrefix {
    S106,
    S107,
    T,
+    T1,
+    T10,
+    T100,
    T2,
    T20,
    T201,
@@ -297,6 +327,8 @@ pub enum CheckCodePrefix {
    U011,
    U012,
    U013,
+    U014,
+    U015,
    W,
    W2,
    W29,
@@ -333,6 +365,7 @@ pub enum PrefixSpecificity {

 impl CheckCodePrefix {
    pub fn codes(&self) -> Vec<CheckCode> {
+        #[allow(clippy::match_same_arms)]
        match self {
            CheckCodePrefix::A => vec![CheckCode::A001, CheckCode::A002, CheckCode::A003],
            CheckCodePrefix::A0 => vec![CheckCode::A001, CheckCode::A002, CheckCode::A003],
@@ -406,10 +439,12 @@ impl CheckCodePrefix {
                CheckCode::B020,
                CheckCode::B021,
                CheckCode::B022,
+                CheckCode::B023,
                CheckCode::B024,
                CheckCode::B025,
                CheckCode::B026,
                CheckCode::B027,
+                CheckCode::B904,
            ],
            CheckCodePrefix::B0 => vec![
                CheckCode::B002,
@@ -433,6 +468,7 @@ impl CheckCodePrefix {
                CheckCode::B020,
                CheckCode::B021,
                CheckCode::B022,
+                CheckCode::B023,
                CheckCode::B024,
                CheckCode::B025,
                CheckCode::B026,
@@ -482,6 +518,7 @@ impl CheckCodePrefix {
                CheckCode::B020,
                CheckCode::B021,
                CheckCode::B022,
+                CheckCode::B023,
                CheckCode::B024,
                CheckCode::B025,
                CheckCode::B026,
@@ -490,10 +527,14 @@ impl CheckCodePrefix {
            CheckCodePrefix::B020 => vec![CheckCode::B020],
            CheckCodePrefix::B021 => vec![CheckCode::B021],
            CheckCodePrefix::B022 => vec![CheckCode::B022],
+            CheckCodePrefix::B023 => vec![CheckCode::B023],
            CheckCodePrefix::B024 => vec![CheckCode::B024],
            CheckCodePrefix::B025 => vec![CheckCode::B025],
            CheckCodePrefix::B026 => vec![CheckCode::B026],
            CheckCodePrefix::B027 => vec![CheckCode::B027],
+            CheckCodePrefix::B9 => vec![CheckCode::B904],
+            CheckCodePrefix::B90 => vec![CheckCode::B904],
+            CheckCodePrefix::B904 => vec![CheckCode::B904],
            CheckCodePrefix::BLE => vec![CheckCode::BLE001],
            CheckCodePrefix::BLE0 => vec![CheckCode::BLE001],
            CheckCodePrefix::BLE00 => vec![CheckCode::BLE001],
@@ -826,6 +867,10 @@ impl CheckCodePrefix {
            CheckCodePrefix::E902 => vec![CheckCode::E902],
            CheckCodePrefix::E99 => vec![CheckCode::E999],
            CheckCodePrefix::E999 => vec![CheckCode::E999],
+            CheckCodePrefix::ERA => vec![CheckCode::ERA001],
+            CheckCodePrefix::ERA8 => vec![CheckCode::ERA001],
+            CheckCodePrefix::ERA80 => vec![CheckCode::ERA001],
+            CheckCodePrefix::ERA001 => vec![CheckCode::ERA001],
            CheckCodePrefix::F => vec![
                CheckCode::F401,
                CheckCode::F402,
@@ -834,6 +879,20 @@ impl CheckCodePrefix {
                CheckCode::F405,
                CheckCode::F406,
                CheckCode::F407,
+                CheckCode::F501,
+                CheckCode::F502,
+                CheckCode::F503,
+                CheckCode::F504,
+                CheckCode::F505,
+                CheckCode::F506,
+                CheckCode::F507,
+                CheckCode::F508,
+                CheckCode::F509,
+                CheckCode::F521,
+                CheckCode::F522,
+                CheckCode::F523,
+                CheckCode::F524,
+                CheckCode::F525,
                CheckCode::F541,
                CheckCode::F601,
                CheckCode::F602,
@@ -881,7 +940,55 @@ impl CheckCodePrefix {
            CheckCodePrefix::F405 => vec![CheckCode::F405],
            CheckCodePrefix::F406 => vec![CheckCode::F406],
            CheckCodePrefix::F407 => vec![CheckCode::F407],
-            CheckCodePrefix::F5 => vec![CheckCode::F541],
+            CheckCodePrefix::F5 => vec![
+                CheckCode::F501,
+                CheckCode::F502,
+                CheckCode::F503,
+                CheckCode::F504,
+                CheckCode::F505,
+                CheckCode::F506,
+                CheckCode::F507,
+                CheckCode::F508,
+                CheckCode::F509,
+                CheckCode::F521,
+                CheckCode::F522,
+                CheckCode::F523,
+                CheckCode::F524,
+                CheckCode::F525,
+                CheckCode::F541,
+            ],
+            CheckCodePrefix::F50 => vec![
+                CheckCode::F501,
+                CheckCode::F502,
+                CheckCode::F503,
+                CheckCode::F504,
+                CheckCode::F505,
+                CheckCode::F506,
+                CheckCode::F507,
+                CheckCode::F508,
+                CheckCode::F509,
+            ],
+            CheckCodePrefix::F501 => vec![CheckCode::F501],
+            CheckCodePrefix::F502 => vec![CheckCode::F502],
+            CheckCodePrefix::F503 => vec![CheckCode::F503],
+            CheckCodePrefix::F504 => vec![CheckCode::F504],
+            CheckCodePrefix::F505 => vec![CheckCode::F505],
+            CheckCodePrefix::F506 => vec![CheckCode::F506],
+            CheckCodePrefix::F507 => vec![CheckCode::F507],
+            CheckCodePrefix::F508 => vec![CheckCode::F508],
+            CheckCodePrefix::F509 => vec![CheckCode::F509],
+            CheckCodePrefix::F52 => vec![
+                CheckCode::F521,
+                CheckCode::F522,
+                CheckCode::F523,
+                CheckCode::F524,
+                CheckCode::F525,
+            ],
+            CheckCodePrefix::F521 => vec![CheckCode::F521],
+            CheckCodePrefix::F522 => vec![CheckCode::F522],
+            CheckCodePrefix::F523 => vec![CheckCode::F523],
+            CheckCodePrefix::F524 => vec![CheckCode::F524],
+            CheckCodePrefix::F525 => vec![CheckCode::F525],
            CheckCodePrefix::F54 => vec![CheckCode::F541],
            CheckCodePrefix::F541 => vec![CheckCode::F541],
            CheckCodePrefix::F6 => vec![
@@ -1057,12 +1164,20 @@ impl CheckCodePrefix {
            CheckCodePrefix::Q001 => vec![CheckCode::Q001],
            CheckCodePrefix::Q002 => vec![CheckCode::Q002],
            CheckCodePrefix::Q003 => vec![CheckCode::Q003],
-            CheckCodePrefix::RUF => vec![CheckCode::RUF001, CheckCode::RUF002, CheckCode::RUF003],
+            CheckCodePrefix::RUF => vec![
+                CheckCode::RUF001,
+                CheckCode::RUF002,
+                CheckCode::RUF003,
+                CheckCode::RUF101,
+            ],
            CheckCodePrefix::RUF0 => vec![CheckCode::RUF001, CheckCode::RUF002, CheckCode::RUF003],
            CheckCodePrefix::RUF00 => vec![CheckCode::RUF001, CheckCode::RUF002, CheckCode::RUF003],
            CheckCodePrefix::RUF001 => vec![CheckCode::RUF001],
            CheckCodePrefix::RUF002 => vec![CheckCode::RUF002],
            CheckCodePrefix::RUF003 => vec![CheckCode::RUF003],
+            CheckCodePrefix::RUF1 => vec![CheckCode::RUF101],
+            CheckCodePrefix::RUF10 => vec![CheckCode::RUF101],
+            CheckCodePrefix::RUF101 => vec![CheckCode::RUF101],
            CheckCodePrefix::S => vec![
                CheckCode::S101,
                CheckCode::S102,
@@ -1093,7 +1208,10 @@ impl CheckCodePrefix {
            CheckCodePrefix::S105 => vec![CheckCode::S105],
            CheckCodePrefix::S106 => vec![CheckCode::S106],
            CheckCodePrefix::S107 => vec![CheckCode::S107],
-            CheckCodePrefix::T => vec![CheckCode::T201, CheckCode::T203],
+            CheckCodePrefix::T => vec![CheckCode::T100, CheckCode::T201, CheckCode::T203],
+            CheckCodePrefix::T1 => vec![CheckCode::T100],
+            CheckCodePrefix::T10 => vec![CheckCode::T100],
+            CheckCodePrefix::T100 => vec![CheckCode::T100],
            CheckCodePrefix::T2 => vec![CheckCode::T201, CheckCode::T203],
            CheckCodePrefix::T20 => vec![CheckCode::T201, CheckCode::T203],
            CheckCodePrefix::T201 => vec![CheckCode::T201],
@@ -1111,6 +1229,8 @@ impl CheckCodePrefix {
                CheckCode::U011,
                CheckCode::U012,
                CheckCode::U013,
+                CheckCode::U014,
+                CheckCode::U015,
            ],
            CheckCodePrefix::U0 => vec![
                CheckCode::U001,
@@ -1125,6 +1245,8 @@ impl CheckCodePrefix {
                CheckCode::U011,
                CheckCode::U012,
                CheckCode::U013,
+                CheckCode::U014,
+                CheckCode::U015,
            ],
            CheckCodePrefix::U00 => vec![
                CheckCode::U001,
@@ -1149,11 +1271,15 @@ impl CheckCodePrefix {
                CheckCode::U011,
                CheckCode::U012,
                CheckCode::U013,
+                CheckCode::U014,
+                CheckCode::U015,
            ],
            CheckCodePrefix::U010 => vec![CheckCode::U010],
            CheckCodePrefix::U011 => vec![CheckCode::U011],
            CheckCodePrefix::U012 => vec![CheckCode::U012],
            CheckCodePrefix::U013 => vec![CheckCode::U013],
+            CheckCodePrefix::U014 => vec![CheckCode::U014],
+            CheckCodePrefix::U015 => vec![CheckCode::U015],
            CheckCodePrefix::W => vec![CheckCode::W292, CheckCode::W605],
            CheckCodePrefix::W2 => vec![CheckCode::W292],
            CheckCodePrefix::W29 => vec![CheckCode::W292],
@@ -1205,6 +1331,7 @@ impl CheckCodePrefix {

 impl CheckCodePrefix {
    pub fn specificity(&self) -> PrefixSpecificity {
+        #[allow(clippy::match_same_arms)]
        match self {
            CheckCodePrefix::A => PrefixSpecificity::Category,
            CheckCodePrefix::A0 => PrefixSpecificity::Hundreds,
@@ -1258,10 +1385,14 @@ impl CheckCodePrefix {
            CheckCodePrefix::B020 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B021 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B022 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::B023 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B024 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B025 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B026 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B027 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::B9 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::B90 => PrefixSpecificity::Tens,
+            CheckCodePrefix::B904 => PrefixSpecificity::Explicit,
            CheckCodePrefix::BLE => PrefixSpecificity::Category,
            CheckCodePrefix::BLE0 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::BLE00 => PrefixSpecificity::Tens,
@@ -1371,6 +1502,10 @@ impl CheckCodePrefix {
            CheckCodePrefix::E902 => PrefixSpecificity::Explicit,
            CheckCodePrefix::E99 => PrefixSpecificity::Tens,
            CheckCodePrefix::E999 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ERA => PrefixSpecificity::Category,
+            CheckCodePrefix::ERA8 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::ERA80 => PrefixSpecificity::Tens,
+            CheckCodePrefix::ERA001 => PrefixSpecificity::Explicit,
            CheckCodePrefix::F => PrefixSpecificity::Category,
            CheckCodePrefix::F4 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::F40 => PrefixSpecificity::Tens,
@@ -1382,6 +1517,22 @@ impl CheckCodePrefix {
            CheckCodePrefix::F406 => PrefixSpecificity::Explicit,
            CheckCodePrefix::F407 => PrefixSpecificity::Explicit,
            CheckCodePrefix::F5 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::F50 => PrefixSpecificity::Tens,
+            CheckCodePrefix::F501 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F502 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F503 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F504 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F505 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F506 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F507 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F508 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F509 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F52 => PrefixSpecificity::Tens,
+            CheckCodePrefix::F521 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F522 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F523 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F524 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::F525 => PrefixSpecificity::Explicit,
            CheckCodePrefix::F54 => PrefixSpecificity::Tens,
            CheckCodePrefix::F541 => PrefixSpecificity::Explicit,
            CheckCodePrefix::F6 => PrefixSpecificity::Hundreds,
@@ -1466,6 +1617,9 @@ impl CheckCodePrefix {
            CheckCodePrefix::RUF001 => PrefixSpecificity::Explicit,
            CheckCodePrefix::RUF002 => PrefixSpecificity::Explicit,
            CheckCodePrefix::RUF003 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::RUF1 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::RUF10 => PrefixSpecificity::Tens,
+            CheckCodePrefix::RUF101 => PrefixSpecificity::Explicit,
            CheckCodePrefix::S => PrefixSpecificity::Category,
            CheckCodePrefix::S1 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::S10 => PrefixSpecificity::Tens,
@@ -1476,6 +1630,9 @@ impl CheckCodePrefix {
            CheckCodePrefix::S106 => PrefixSpecificity::Explicit,
            CheckCodePrefix::S107 => PrefixSpecificity::Explicit,
            CheckCodePrefix::T => PrefixSpecificity::Category,
+            CheckCodePrefix::T1 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::T10 => PrefixSpecificity::Tens,
+            CheckCodePrefix::T100 => PrefixSpecificity::Explicit,
            CheckCodePrefix::T2 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::T20 => PrefixSpecificity::Tens,
            CheckCodePrefix::T201 => PrefixSpecificity::Explicit,
@@ -1496,6 +1653,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::U011 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U012 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U013 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::U014 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::U015 => PrefixSpecificity::Explicit,
            CheckCodePrefix::W => PrefixSpecificity::Category,
            CheckCodePrefix::W2 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::W29 => PrefixSpecificity::Tens,
@@ -1523,3 +1682,26 @@ impl CheckCodePrefix {
        }
    }
 }
+
+pub const CATEGORIES: &[CheckCodePrefix] = &[
+    CheckCodePrefix::A,
+    CheckCodePrefix::ANN,
+    CheckCodePrefix::B,
+    CheckCodePrefix::BLE,
+    CheckCodePrefix::C,
+    CheckCodePrefix::D,
+    CheckCodePrefix::E,
+    CheckCodePrefix::ERA,
+    CheckCodePrefix::F,
+    CheckCodePrefix::FBT,
+    CheckCodePrefix::I,
+    CheckCodePrefix::M,
+    CheckCodePrefix::N,
+    CheckCodePrefix::Q,
+    CheckCodePrefix::RUF,
+    CheckCodePrefix::S,
+    CheckCodePrefix::T,
+    CheckCodePrefix::U,
+    CheckCodePrefix::W,
+    CheckCodePrefix::YTT,
+];
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,19 +1,21 @@
 use std::path::PathBuf;

 use clap::{command, Parser};
-use fnv::FnvHashMap;
 use regex::Regex;
+use rustc_hash::FxHashMap;

+use crate::checks::CheckCode;
 use crate::checks_gen::CheckCodePrefix;
 use crate::logging::LogLevel;
 use crate::printer::SerializationFormat;
-use crate::settings::types::{PatternPrefixPair, PerFileIgnore, PythonVersion};
+use crate::settings::types::{FilePattern, PatternPrefixPair, PerFileIgnore, PythonVersion};

 #[derive(Debug, Parser)]
 #[command(author, about = "Ruff: An extremely fast Python linter.")]
 #[command(version)]
+#[allow(clippy::struct_excessive_bools)]
 pub struct Cli {
-    #[arg(required = true)]
+    #[arg(required_unless_present_any = ["explain", "generate_shell_completion"])]
    pub files: Vec<PathBuf>,
    /// Path to the `pyproject.toml` file to use for configuration.
    #[arg(long)]
@@ -58,11 +60,11 @@ pub struct Cli {
    pub extend_ignore: Vec<CheckCodePrefix>,
    /// List of paths, used to exclude files and/or directories from checks.
    #[arg(long, value_delimiter = ',')]
-    pub exclude: Vec<String>,
+    pub exclude: Vec<FilePattern>,
    /// Like --exclude, but adds additional files and directories on top of the
    /// excluded ones.
    #[arg(long, value_delimiter = ',')]
-    pub extend_exclude: Vec<String>,
+    pub extend_exclude: Vec<FilePattern>,
    /// List of error codes to treat as eligible for autofix. Only applicable
    /// when autofix itself is enabled (e.g., via `--fix`).
    #[arg(long, value_delimiter = ',')]
@@ -75,7 +77,7 @@ pub struct Cli {
    #[arg(long, value_delimiter = ',')]
    pub per_file_ignores: Vec<PatternPrefixPair>,
    /// Output serialization format for error messages.
-    #[arg(long, value_enum, default_value_t=SerializationFormat::Text)]
+    #[arg(long, value_enum, default_value_t = SerializationFormat::Text)]
    pub format: SerializationFormat,
    /// Show violations with source code.
    #[arg(long)]
@@ -109,6 +111,12 @@ pub struct Cli {
    /// The name of the file when passing it through stdin.
    #[arg(long)]
    pub stdin_filename: Option<String>,
+    /// Explain a rule.
+    #[arg(long)]
+    pub explain: Option<CheckCode>,
+    /// Generate shell completion
+    #[arg(long, hide = true, value_name = "SHELL")]
+    pub generate_shell_completion: Option<clap_complete_command::Shell>,
 }

 impl Cli {
@@ -143,11 +151,8 @@ pub fn extract_log_level(cli: &Cli) -> LogLevel {
 }

 /// Convert a list of `PatternPrefixPair` structs to `PerFileIgnore`.
-pub fn collect_per_file_ignores(
-    pairs: Vec<PatternPrefixPair>,
-    project_root: Option<&PathBuf>,
-) -> Vec<PerFileIgnore> {
-    let mut per_file_ignores: FnvHashMap<String, Vec<CheckCodePrefix>> = FnvHashMap::default();
+pub fn collect_per_file_ignores(pairs: Vec<PatternPrefixPair>) -> Vec<PerFileIgnore> {
+    let mut per_file_ignores: FxHashMap<String, Vec<CheckCodePrefix>> = FxHashMap::default();
    for pair in pairs {
        per_file_ignores
            .entry(pair.pattern)
@@ -155,7 +160,7 @@ pub fn collect_per_file_ignores(
            .push(pair.prefix);
    }
    per_file_ignores
-        .iter()
-        .map(|(pattern, prefixes)| PerFileIgnore::new(pattern, prefixes, project_root))
+        .into_iter()
+        .map(|(pattern, prefixes)| PerFileIgnore::new(pattern, &prefixes))
        .collect()
 }
--- a/src/code_gen.rs
+++ b/src/code_gen.rs
--- a/src/commands.rs
+++ b/src/commands.rs
@@ -0,0 +1,66 @@
+use std::path::PathBuf;
+
+use anyhow::Result;
+use serde::Serialize;
+use walkdir::DirEntry;
+
+use crate::checks::CheckCode;
+use crate::fs::iter_python_files;
+use crate::printer::SerializationFormat;
+use crate::{Configuration, Settings};
+
+/// Print the user-facing configuration settings.
+pub fn show_settings(
+    configuration: &Configuration,
+    project_root: Option<&PathBuf>,
+    pyproject: Option<&PathBuf>,
+) {
+    println!("Resolved configuration: {configuration:#?}");
+    println!("Found project root at: {project_root:?}");
+    println!("Found pyproject.toml at: {pyproject:?}");
+}
+
+/// Show the list of files to be checked based on current settings.
+pub fn show_files(files: &[PathBuf], settings: &Settings) {
+    let mut entries: Vec<DirEntry> = files
+        .iter()
+        .flat_map(|path| iter_python_files(path, &settings.exclude, &settings.extend_exclude))
+        .flatten()
+        .collect();
+    entries.sort_by(|a, b| a.path().cmp(b.path()));
+    for entry in entries {
+        println!("{}", entry.path().to_string_lossy());
+    }
+}
+
+#[derive(Serialize)]
+struct Explanation<'a> {
+    code: &'a str,
+    category: &'a str,
+    summary: &'a str,
+}
+
+/// Explain a `CheckCode` to the user.
+pub fn explain(code: &CheckCode, format: SerializationFormat) -> Result<()> {
+    match format {
+        SerializationFormat::Text => {
+            println!(
+                "{} ({}): {}",
+                code.as_ref(),
+                code.category().title(),
+                code.kind().summary()
+            );
+        }
+        SerializationFormat::Json => {
+            println!(
+                "{}",
+                serde_json::to_string_pretty(&Explanation {
+                    code: code.as_ref(),
+                    category: code.category().title(),
+                    summary: &code.kind().summary(),
+                })?
+            );
+        }
+    };
+    Ok(())
+}
--- a/src/directives.rs
+++ b/src/directives.rs
@@ -11,8 +11,8 @@ use crate::{Settings, SourceCodeLocator};

 bitflags! {
    pub struct Flags: u32 {
-        const NOQA = 0b00000001;
-        const ISORT = 0b00000010;
+        const NOQA = 0b0000_0001;
+        const ISORT = 0b0000_0010;
    }
 }

@@ -38,18 +38,18 @@ pub struct Directives {
 pub fn extract_directives(
    lxr: &[LexResult],
    locator: &SourceCodeLocator,
-    flags: &Flags,
+    flags: Flags,
 ) -> Directives {
    Directives {
        noqa_line_for: if flags.contains(Flags::NOQA) {
            extract_noqa_line_for(lxr)
        } else {
-            Default::default()
+            IntMap::default()
        },
        isort_exclusions: if flags.contains(Flags::ISORT) {
            extract_isort_exclusions(lxr, locator)
        } else {
-            Default::default()
+            IntSet::default()
        },
    }
 }
@@ -75,13 +75,13 @@ pub fn extract_noqa_line_for(lxr: &[LexResult]) -> IntMap<usize, usize> {
 /// Extract a set of lines over which to disable isort.
 pub fn extract_isort_exclusions(lxr: &[LexResult], locator: &SourceCodeLocator) -> IntSet<usize> {
    let mut exclusions: IntSet<usize> = IntSet::default();
-    let mut off: Option<&Location> = None;
-    for (start, tok, end) in lxr.iter().flatten() {
+    let mut off: Option<Location> = None;
+    for &(start, ref tok, end) in lxr.iter().flatten() {
        // TODO(charlie): Modify RustPython to include the comment text in the token.
        if matches!(tok, Tok::Comment) {
            let comment_text = locator.slice_source_code_range(&Range {
-                location: *start,
-                end_location: *end,
+                location: start,
+                end_location: end,
            });
            if off.is_some() {
                if comment_text == "# isort: on" {
@@ -113,7 +113,7 @@ pub fn extract_isort_exclusions(lxr: &[LexResult], locator: &SourceCodeLocator)

 #[cfg(test)]
 mod tests {
-    use anyhow::Result;
+
    use nohash_hasher::IntMap;
    use rustpython_parser::lexer;
    use rustpython_parser::lexer::LexResult;
@@ -121,8 +121,8 @@ mod tests {
    use crate::directives::extract_noqa_line_for;

    #[test]
-    fn extraction() -> Result<()> {
-        let empty: IntMap<usize, usize> = Default::default();
+    fn extraction() {
+        let empty: IntMap<usize, usize> = IntMap::default();

        let lxr: Vec<LexResult> = lexer::make_tokenizer(
            "x = 1
@@ -200,7 +200,5 @@ z = x + 1",
            extract_noqa_line_for(&lxr),
            IntMap::from_iter([(2, 5), (3, 5), (4, 5)])
        );
-
-        Ok(())
    }
 }
--- a/src/docstrings/constants.rs
+++ b/src/docstrings/constants.rs
@@ -0,0 +1,5 @@
+pub const TRIPLE_QUOTE_PREFIXES: &[&str] = &[
+    "ur\"\"\"", "ur'''", "u\"\"\"", "u'''", "r\"\"\"", "r'''", "\"\"\"", "'''",
+];
+
+pub const SINGLE_QUOTE_PREFIXES: &[&str] = &["ur\"", "ur'", "u\"", "u'", "r\"", "r'", "\"", "'"];
--- a/src/docstrings/google.rs
+++ b/src/docstrings/google.rs
@@ -1,10 +1,10 @@
 //! Abstractions for Google-style docstrings.

-use fnv::FnvHashSet;
 use once_cell::sync::Lazy;
+use rustc_hash::FxHashSet;

-pub(crate) static GOOGLE_SECTION_NAMES: Lazy<FnvHashSet<&'static str>> = Lazy::new(|| {
-    FnvHashSet::from_iter([
+pub(crate) static GOOGLE_SECTION_NAMES: Lazy<FxHashSet<&'static str>> = Lazy::new(|| {
+    FxHashSet::from_iter([
        "Args",
        "Arguments",
        "Attention",
@@ -36,36 +36,35 @@ pub(crate) static GOOGLE_SECTION_NAMES: Lazy<FnvHashSet<&'static str>> = Lazy::n
    ])
 });

-pub(crate) static LOWERCASE_GOOGLE_SECTION_NAMES: Lazy<FnvHashSet<&'static str>> =
-    Lazy::new(|| {
-        FnvHashSet::from_iter([
-            "args",
-            "arguments",
-            "attention",
-            "attributes",
-            "caution",
-            "danger",
-            "error",
-            "example",
-            "examples",
-            "hint",
-            "important",
-            "keyword args",
-            "keyword arguments",
-            "methods",
-            "note",
-            "notes",
-            "return",
-            "returns",
-            "raises",
-            "references",
-            "see also",
-            "tip",
-            "todo",
-            "warning",
-            "warnings",
-            "warns",
-            "yield",
-            "yields",
-        ])
-    });
+pub(crate) static LOWERCASE_GOOGLE_SECTION_NAMES: Lazy<FxHashSet<&'static str>> = Lazy::new(|| {
+    FxHashSet::from_iter([
+        "args",
+        "arguments",
+        "attention",
+        "attributes",
+        "caution",
+        "danger",
+        "error",
+        "example",
+        "examples",
+        "hint",
+        "important",
+        "keyword args",
+        "keyword arguments",
+        "methods",
+        "note",
+        "notes",
+        "return",
+        "returns",
+        "raises",
+        "references",
+        "see also",
+        "tip",
+        "todo",
+        "warning",
+        "warnings",
+        "warns",
+        "yield",
+        "yields",
+    ])
+});
--- a/src/docstrings/mod.rs
+++ b/src/docstrings/mod.rs
@@ -1,7 +1,7 @@
+pub mod constants;
 pub mod definition;
 pub mod extraction;
 pub mod google;
-pub mod helpers;
 pub mod numpy;
 pub mod sections;
 pub mod styles;
--- a/src/docstrings/numpy.rs
+++ b/src/docstrings/numpy.rs
@@ -1,10 +1,10 @@
 //! Abstractions for NumPy-style docstrings.

-use fnv::FnvHashSet;
 use once_cell::sync::Lazy;
+use rustc_hash::FxHashSet;

-pub(crate) static LOWERCASE_NUMPY_SECTION_NAMES: Lazy<FnvHashSet<&'static str>> = Lazy::new(|| {
-    FnvHashSet::from_iter([
+pub(crate) static LOWERCASE_NUMPY_SECTION_NAMES: Lazy<FxHashSet<&'static str>> = Lazy::new(|| {
+    FxHashSet::from_iter([
        "short summary",
        "extended summary",
        "parameters",
@@ -21,8 +21,8 @@ pub(crate) static LOWERCASE_NUMPY_SECTION_NAMES: Lazy<FnvHashSet<&'static str>>
    ])
 });

-pub(crate) static NUMPY_SECTION_NAMES: Lazy<FnvHashSet<&'static str>> = Lazy::new(|| {
-    FnvHashSet::from_iter([
+pub(crate) static NUMPY_SECTION_NAMES: Lazy<FxHashSet<&'static str>> = Lazy::new(|| {
+    FxHashSet::from_iter([
        "Short Summary",
        "Extended Summary",
        "Parameters",
--- a/src/docstrings/sections.rs
+++ b/src/docstrings/sections.rs
@@ -1,4 +1,4 @@
-use crate::docstrings::helpers;
+use crate::ast::whitespace;
 use crate::docstrings::styles::SectionStyle;

 #[derive(Debug)]
@@ -14,7 +14,7 @@ pub(crate) struct SectionContext<'a> {
 fn suspected_as_section(line: &str, style: &SectionStyle) -> bool {
    style
        .lowercase_section_names()
-        .contains(&helpers::leading_words(line).to_lowercase().as_str())
+        .contains(&whitespace::leading_words(line).to_lowercase().as_str())
 }

 /// Check if the suspected context is really a section header.
@@ -64,7 +64,7 @@ pub(crate) fn section_contexts<'a>(
    let mut contexts = vec![];
    for lineno in suspected_section_indices {
        let context = SectionContext {
-            section_name: helpers::leading_words(lines[lineno]),
+            section_name: whitespace::leading_words(lines[lineno]),
            previous_line: lines[lineno - 1],
            line: lines[lineno],
            following_lines: &lines[lineno + 1..],
--- a/src/docstrings/styles.rs
+++ b/src/docstrings/styles.rs
@@ -1,5 +1,5 @@
-use fnv::FnvHashSet;
 use once_cell::sync::Lazy;
+use rustc_hash::FxHashSet;

 use crate::docstrings::google::{GOOGLE_SECTION_NAMES, LOWERCASE_GOOGLE_SECTION_NAMES};
 use crate::docstrings::numpy::{LOWERCASE_NUMPY_SECTION_NAMES, NUMPY_SECTION_NAMES};
@@ -10,14 +10,14 @@ pub(crate) enum SectionStyle {
 }

 impl SectionStyle {
-    pub(crate) fn section_names(&self) -> &Lazy<FnvHashSet<&'static str>> {
+    pub(crate) fn section_names(&self) -> &Lazy<FxHashSet<&'static str>> {
        match self {
            SectionStyle::NumPy => &NUMPY_SECTION_NAMES,
            SectionStyle::Google => &GOOGLE_SECTION_NAMES,
        }
    }

-    pub(crate) fn lowercase_section_names(&self) -> &Lazy<FnvHashSet<&'static str>> {
+    pub(crate) fn lowercase_section_names(&self) -> &Lazy<FxHashSet<&'static str>> {
        match self {
            SectionStyle::NumPy => &LOWERCASE_NUMPY_SECTION_NAMES,
            SectionStyle::Google => &LOWERCASE_GOOGLE_SECTION_NAMES,
--- a/src/eradicate/checks.rs
+++ b/src/eradicate/checks.rs
@@ -0,0 +1,51 @@
+use rustpython_ast::Location;
+
+use crate::ast::types::Range;
+use crate::autofix::Fix;
+use crate::checks::{CheckCode, CheckKind};
+use crate::eradicate::detection::comment_contains_code;
+use crate::{Check, Settings, SourceCodeLocator};
+
+fn is_standalone_comment(line: &str) -> bool {
+    for char in line.chars() {
+        if char == '#' {
+            return true;
+        } else if !char.is_whitespace() {
+            return false;
+        }
+    }
+    unreachable!("Comment should contain '#' character")
+}
+
+/// ERA001
+pub fn commented_out_code(
+    locator: &SourceCodeLocator,
+    start: Location,
+    end: Location,
+    settings: &Settings,
+    autofix: bool,
+) -> Option<Check> {
+    let location = Location::new(start.row(), 0);
+    let end_location = Location::new(end.row() + 1, 0);
+    let line = locator.slice_source_code_range(&Range {
+        location,
+        end_location,
+    });
+
+    // Verify that the comment is on its own line, and that it contains code.
+    if is_standalone_comment(&line) && comment_contains_code(&line) {
+        let mut check = Check::new(
+            CheckKind::CommentedOutCode,
+            Range {
+                location: start,
+                end_location: end,
+            },
+        );
+        if autofix && settings.fixable.contains(&CheckCode::ERA001) {
+            check.amend(Fix::deletion(location, end_location));
+        }
+        Some(check)
+    } else {
+        None
+    }
+}
--- a/src/eradicate/detection.rs
+++ b/src/eradicate/detection.rs
@@ -0,0 +1,223 @@
+/// See: [eradicate.py](https://github.com/myint/eradicate/blob/98f199940979c94447a461d50d27862b118b282d/eradicate.py)
+use once_cell::sync::Lazy;
+use regex::Regex;
+
+static ALLOWLIST_REGEX: Lazy<Regex> = Lazy::new(|| {
+    Regex::new(
+        r"(?i)pylint|pyright|noqa|nosec|type:\s*ignore|fmt:\s*(on|off)|isort:\s*(on|off|skip|skip_file|split|dont-add-imports(:\s*\[.*?])?)|TODO|FIXME|XXX"
+    ).unwrap()
+});
+static BRACKET_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"^[()\[\]{}\s]+$").unwrap());
+static CODE_INDICATORS: &[&str] = &[
+    "(", ")", "[", "]", "{", "}", ":", "=", "%", "print", "return", "break", "continue", "import",
+];
+static CODE_KEYWORDS: Lazy<Vec<Regex>> = Lazy::new(|| {
+    vec![
+        Regex::new(r"^\s*elif\s+.*\s*:\s*$").unwrap(),
+        Regex::new(r"^\s*else\s*:\s*$").unwrap(),
+        Regex::new(r"^\s*try\s*:\s*$").unwrap(),
+        Regex::new(r"^\s*finally\s*:\s*$").unwrap(),
+        Regex::new(r"^\s*except\s+.*\s*:\s*$").unwrap(),
+    ]
+});
+static CODING_COMMENT_REGEX: Lazy<Regex> =
+    Lazy::new(|| Regex::new(r"^.*?coding[:=][ \t]*([-_.a-zA-Z0-9]+)").unwrap());
+static HASH_NUMBER: Lazy<Regex> = Lazy::new(|| Regex::new(r"#\d").unwrap());
+static MULTILINE_ASSIGNMENT_REGEX: Lazy<Regex> =
+    Lazy::new(|| Regex::new(r"^\s*\w+\s*=.*[(\[{]$").unwrap());
+static PARTIAL_DICTIONARY_REGEX: Lazy<Regex> =
+    Lazy::new(|| Regex::new(r#"^\s*['"]\w+['"]\s*:.+[,{]\s*$"#).unwrap());
+static PRINT_RETURN_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"^(print|return)\b\s*").unwrap());
+
+/// Returns `true` if a comment contains Python code.
+pub fn comment_contains_code(line: &str) -> bool {
+    let line = if let Some(line) = line.trim().strip_prefix('#') {
+        line.trim()
+    } else {
+        return false;
+    };
+
+    // Ignore non-comment related hashes (e.g., "# Issue #999").
+    if HASH_NUMBER.is_match(line) {
+        return false;
+    }
+
+    // Ignore whitelisted comments.
+    if ALLOWLIST_REGEX.is_match(line) {
+        return false;
+    }
+
+    if CODING_COMMENT_REGEX.is_match(line) {
+        return false;
+    }
+
+    // Check that this is possibly code.
+    if CODE_INDICATORS.iter().all(|symbol| !line.contains(symbol)) {
+        return false;
+    }
+
+    if multiline_case(line) {
+        return true;
+    }
+
+    if CODE_KEYWORDS.iter().any(|symbol| symbol.is_match(line)) {
+        return true;
+    }
+
+    let line = PRINT_RETURN_REGEX.replace_all(line, "");
+
+    if PARTIAL_DICTIONARY_REGEX.is_match(&line) {
+        return true;
+    }
+
+    // Finally, compile the source code.
+    rustpython_parser::parser::parse_program(&line, "<filename>").is_ok()
+}
+
+/// Returns `true` if a line is probably part of some multiline code.
+fn multiline_case(line: &str) -> bool {
+    if line.ends_with('\\') {
+        return true;
+    }
+
+    if MULTILINE_ASSIGNMENT_REGEX.is_match(line) {
+        return true;
+    }
+
+    if BRACKET_REGEX.is_match(line) {
+        return true;
+    }
+
+    false
+}
+
+#[cfg(test)]
+mod tests {
+    use crate::eradicate::detection::comment_contains_code;
+
+    #[test]
+    fn comment_contains_code_basic() {
+        assert!(comment_contains_code("# x = 1"));
+        assert!(comment_contains_code("#from foo import eradicate"));
+        assert!(comment_contains_code("#import eradicate"));
+        assert!(comment_contains_code(r#"#"key": value,"#));
+        assert!(comment_contains_code(r#"#"key": "value","#));
+        assert!(comment_contains_code(r#"#"key": 1 + 1,"#));
+        assert!(comment_contains_code("#'key': 1 + 1,"));
+        assert!(comment_contains_code(r#"#"key": {"#));
+        assert!(comment_contains_code("#}"));
+        assert!(comment_contains_code("#} )]"));
+
+        assert!(!comment_contains_code("#"));
+        assert!(!comment_contains_code("# This is a (real) comment."));
+        assert!(!comment_contains_code("# 123"));
+        assert!(!comment_contains_code("# 123.1"));
+        assert!(!comment_contains_code("# 1, 2, 3"));
+        assert!(!comment_contains_code("x = 1  # x = 1"));
+        assert!(!comment_contains_code(
+            "# pylint: disable=redefined-outer-name"
+        ));
+        assert!(!comment_contains_code("# Issue #999: This is not code"));
+
+        // TODO(charlie): This should be `true` under aggressive mode.
+        assert!(!comment_contains_code("#},"));
+    }
+
+    #[test]
+    fn comment_contains_code_with_print() {
+        assert!(comment_contains_code("#print"));
+        assert!(comment_contains_code("#print(1)"));
+        assert!(comment_contains_code("#print 1"));
+
+        assert!(!comment_contains_code("#to print"));
+    }
+
+    #[test]
+    fn comment_contains_code_with_return() {
+        assert!(comment_contains_code("#return x"));
+
+        assert!(!comment_contains_code("#to print"));
+    }
+
+    #[test]
+    fn comment_contains_code_with_multiline() {
+        assert!(comment_contains_code("#else:"));
+        assert!(comment_contains_code("#  else  :  "));
+        assert!(comment_contains_code(r#"# "foo %d" % \\"#));
+        assert!(comment_contains_code("#elif True:"));
+        assert!(comment_contains_code("#x = foo("));
+        assert!(comment_contains_code("#except Exception:"));
+
+        assert!(!comment_contains_code("# this is = to that :("));
+        assert!(!comment_contains_code("#else"));
+        assert!(!comment_contains_code("#or else:"));
+        assert!(!comment_contains_code("#else True:"));
+
+        // TODO(charlie): This should be `true` under aggressive mode.
+        assert!(!comment_contains_code("#def foo():"));
+    }
+
+    #[test]
+    fn comment_contains_code_with_sentences() {
+        assert!(!comment_contains_code("#code is good"));
+    }
+
+    #[test]
+    fn comment_contains_code_with_encoding() {
+        assert!(comment_contains_code("# codings=utf-8"));
+
+        assert!(!comment_contains_code("# coding=utf-8"));
+        assert!(!comment_contains_code("#coding= utf-8"));
+        assert!(!comment_contains_code("# coding: utf-8"));
+        assert!(!comment_contains_code("# encoding: utf8"));
+    }
+
+    #[test]
+    fn comment_contains_code_with_default_allowlist() {
+        assert!(!comment_contains_code("# pylint: disable=A0123"));
+        assert!(!comment_contains_code("# pylint:disable=A0123"));
+        assert!(!comment_contains_code("# pylint: disable = A0123"));
+        assert!(!comment_contains_code("# pylint:disable = A0123"));
+        assert!(!comment_contains_code("# pyright: reportErrorName=true"));
+        assert!(!comment_contains_code("# noqa"));
+        assert!(!comment_contains_code("# NOQA"));
+        assert!(!comment_contains_code("# noqa: A123"));
+        assert!(!comment_contains_code("# noqa:A123"));
+        assert!(!comment_contains_code("# nosec"));
+        assert!(!comment_contains_code("# fmt: on"));
+        assert!(!comment_contains_code("# fmt: off"));
+        assert!(!comment_contains_code("# fmt:on"));
+        assert!(!comment_contains_code("# fmt:off"));
+        assert!(!comment_contains_code("# isort: on"));
+        assert!(!comment_contains_code("# isort:on"));
+        assert!(!comment_contains_code("# isort: off"));
+        assert!(!comment_contains_code("# isort:off"));
+        assert!(!comment_contains_code("# isort: skip"));
+        assert!(!comment_contains_code("# isort:skip"));
+        assert!(!comment_contains_code("# isort: skip_file"));
+        assert!(!comment_contains_code("# isort:skip_file"));
+        assert!(!comment_contains_code("# isort: split"));
+        assert!(!comment_contains_code("# isort:split"));
+        assert!(!comment_contains_code("# isort: dont-add-imports"));
+        assert!(!comment_contains_code("# isort:dont-add-imports"));
+        assert!(!comment_contains_code(
+            "# isort: dont-add-imports: [\"import os\"]"
+        ));
+        assert!(!comment_contains_code(
+            "# isort:dont-add-imports: [\"import os\"]"
+        ));
+        assert!(!comment_contains_code(
+            "# isort: dont-add-imports:[\"import os\"]"
+        ));
+        assert!(!comment_contains_code(
+            "# isort:dont-add-imports:[\"import os\"]"
+        ));
+        assert!(!comment_contains_code("# type: ignore"));
+        assert!(!comment_contains_code("# type:ignore"));
+        assert!(!comment_contains_code("# type: ignore[import]"));
+        assert!(!comment_contains_code("# type:ignore[import]"));
+        assert!(!comment_contains_code("# TODO: Do that"));
+        assert!(!comment_contains_code("# FIXME: Fix that"));
+        assert!(!comment_contains_code("# XXX: What ever"));
+    }
+}
--- a/src/eradicate/mod.rs
+++ b/src/eradicate/mod.rs
@@ -0,0 +1,2 @@
+pub mod checks;
+pub mod detection;
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Charlie Marsh	dca994d05f	Bump version to 0.0.145	2022-11-28 20:57:58 -05:00
Charlie Marsh	9944246f98	Rewrite type annotations on Python 3.7 when __future__ enabled (#953 )	2022-11-28 20:57:38 -05:00
Charlie Marsh	82b0b7941a	Implement eradicate (#947 )	2022-11-28 20:54:33 -05:00
Charlie Marsh	72453695d6	Bump version to 0.0.144	2022-11-28 20:11:08 -05:00
Charlie Marsh	1617d715f2	Allow long lines that consist of only a URL (#952 )	2022-11-28 20:10:21 -05:00
pwoolvett	c4a7344791	fix(flake8_boolean_trap): add allowlist for dict methods (#943 )	2022-11-28 16:17:01 -05:00
Charlie Marsh	ea9acda732	Bump version to 0.0.143	2022-11-28 15:42:25 -05:00
Anders Kaseorg	6c8021e970	Fix clippy::manual_let_else (pedantic) (#939 )	2022-11-28 09:52:59 -05:00
Charlie Marsh	61b6ad46ea	Allow `@override` methods to be undocumented (#941 )	2022-11-28 09:52:12 -05:00
Anders Kaseorg	041d8108e6	Don’t require files with --explain or --generate-shell-completion (#937 )	2022-11-28 00:40:20 -05:00
Charlie Marsh	e2c4a098de	Bump version to 0.0.142	2022-11-28 00:19:27 -05:00
Charlie Marsh	e865f58426	Add all plugin options to README reference (#936 )	2022-11-28 00:19:14 -05:00
messense	23b4e16b1d	Add shell completions support (#935 )	2022-11-27 23:59:36 -05:00
Charlie Marsh	ae2ac905dc	Document all top-level configuration options (#934 )	2022-11-27 23:50:24 -05:00
Charlie Marsh	55619b321a	Run cargo fmt	2022-11-27 22:58:42 -05:00
Harutaka Kawamura	6f31b002f8	Do not enforce line length limit for comments ending with a URL (#920 )	2022-11-27 22:36:17 -05:00
Charlie Marsh	1a79965aa0	Allow varargs and kwargs to be prefixed with stars (#933 )	2022-11-27 22:08:27 -05:00
Charlie Marsh	16da183f8e	Add some user testimonials (#932 )	2022-11-27 21:55:01 -05:00
Charlie Marsh	3f689917cb	Use alternative TOML format for per-file-ignores in README (#931 )	2022-11-27 21:38:43 -05:00
Charlie Marsh	a4a215e8a3	Add Homebrew installation to README (#930 )	2022-11-27 21:37:34 -05:00
Charlie Marsh	aa1c884910	Tweak Flake8 parity in README	2022-11-27 21:34:47 -05:00
Oliver Margetts	7fb55c6d99	F50x implementation (#919 )	2022-11-27 21:30:55 -05:00
Charlie Marsh	04ea523ad8	Track aliased import-from members (#929 )	2022-11-27 17:27:27 -05:00
Charlie Marsh	9897f81cf3	Bump version to 0.0.141	2022-11-26 16:33:08 -05:00
Charlie Marsh	1a2559b001	Avoid flagging redundant open modes when open is rebound (#918 )	2022-11-26 16:24:41 -05:00
Denis Gavrilyuk	721a1e9443	Add flake8-debugger (#909 )	2022-11-26 16:21:03 -05:00
Charlie Marsh	f38bba18ee	Fix clippy warnings	2022-11-26 15:56:33 -05:00
Charlie Marsh	14cf36f922	Bump version to 0.0.140	2022-11-26 15:05:46 -05:00
Charlie Marsh	d28e026525	Preserve existing noqa codes in --add-noqa (#913 )	2022-11-26 14:42:19 -05:00
Jonathan Plasse	d19a8aa54d	Auto-generate CheckCodePrefix::fixables() (#916 )	2022-11-26 14:10:30 -05:00
Charlie Marsh	f299940452	Respect noqa comments in U009 (#917 )	2022-11-26 14:03:18 -05:00
Charlie Marsh	e1ab7163ac	Respect f-string locations in B023 check (#914 )	2022-11-26 10:31:23 -05:00
Jonathan Plasse	9edc479c6c	Fix F821 false positive (#911 )	2022-11-26 10:12:07 -05:00
Charlie Marsh	560558b814	Bump version to 0.0.139	2022-11-25 18:38:26 -05:00
Andri Bergsson	bef601b994	Add keyword argument handling for redundant open modes. (#906 )	2022-11-25 18:38:05 -05:00
Charlie Marsh	7445d00b88	Implement B023 (function uses loop variable) (#907 )	2022-11-25 18:29:54 -05:00
Charlie Marsh	7c78d4e103	Use docstring comment for CheckCode	2022-11-25 13:15:43 -05:00
Oliver Margetts	8b14f1b8cc	Implement F522-F525 (#899 )	2022-11-25 13:14:31 -05:00
Xuan (Sean) Hu	5a6b51e623	Minor changes in README. (#903 )	2022-11-25 09:49:16 -05:00
Charlie Marsh	0b60242fb7	Bump version to 0.0.138	2022-11-25 00:05:41 -05:00
Charlie Marsh	65b77feeb8	Bump LibCST version	2022-11-25 00:05:03 -05:00
Charlie Marsh	04b9c0a31d	Fix cargo clippy	2022-11-24 23:40:43 -05:00
Harutaka Kawamura	49dc8231be	Fix typo (#902 )	2022-11-24 23:38:45 -05:00
Charlie Marsh	92ca114882	Move some main.rs subcommands to a new module (#901 )	2022-11-24 22:43:43 -05:00
Charlie Marsh	553bc7443a	Remove UserConfiguration struct (#900 )	2022-11-24 22:39:07 -05:00
CelebrateVC	a3af6c1ea5	Implement GlobSet optimization for file path exclusions (#883 )	2022-11-24 22:31:55 -05:00
Charlie Marsh	b50016fe89	Regenerate README.md	2022-11-24 18:10:07 -05:00
Oliver Margetts	2cf2805848	Implement F521 (#898 )	2022-11-24 18:09:36 -05:00
Harutaka Kawamura	33fbef7700	Implement B904 (#892 )	2022-11-24 09:49:57 -05:00
Charlie Marsh	68668a584b	Bump version to 0.0.137	2022-11-23 20:28:45 -05:00
Charlie Marsh	6cd8655d29	Treat withitem variables as bindings (#897 )	2022-11-23 20:28:37 -05:00
Charlie Marsh	72a9bd3cfb	Revert "Upload wheels back to GitHub Releases (#884 )" This reverts commit `bd08fc359d`.	2022-11-23 20:27:33 -05:00
Charlie Marsh	58aac21a36	Bump version to 0.0.136	2022-11-23 17:41:17 -05:00
Charlie Marsh	77e0be3464	Visit iter prior to target in comprehensions (#895 )	2022-11-23 10:13:21 -05:00
Charlie Marsh	bd08fc359d	Upload wheels back to GitHub Releases (#884 )	2022-11-23 00:06:36 -05:00
Harutaka Kawamura	19ad6ab4f5	Add `--explain` (#887 )	2022-11-23 00:06:25 -05:00
Charlie Marsh	4b2df99e78	Set rust-version in Cargo.toml (#886 )	2022-11-22 23:33:39 -05:00
Charlie Marsh	66975876b2	Bump version to 0.0.135	2022-11-22 19:21:53 -05:00
Charlie Marsh	7316b120ba	Log errors in add_noqa and autoformat calls (#881 )	2022-11-22 19:21:36 -05:00
Charlie Marsh	fec887e481	Apply a limit to the number of fix iterations (#882 )	2022-11-22 19:21:31 -05:00
Charlie Marsh	bdd32c0850	Enforce most pedantic lints on CI (#878 )	2022-11-22 18:55:57 -05:00
Charlie Marsh	10dcd5fd0a	Remove unused imports	2022-11-22 18:45:24 -05:00
Charlie Marsh	b922e6ecc8	Fix clippy::unnecessary_wraps (pedantic) (#880 ) https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_wraps	2022-11-22 18:25:30 -05:00
Charlie Marsh	f59799e0c4	Remove lingering empty lines	2022-11-22 17:54:24 -05:00
Charlie Marsh	814ddeb7ea	Remove always-inline (#879 )	2022-11-22 17:13:25 -05:00
Charlie Marsh	9315b9f459	Remove Mode from various internal checkers (#877 )	2022-11-22 16:57:47 -05:00
Charlie Marsh	113b5a10bf	Return `Vec<Check>` from check_tokens (#876 )	2022-11-22 16:43:32 -05:00
Charlie Marsh	fe77fb70a1	Apply autofixes iteratively until code is stabilized (#875 )	2022-11-22 16:37:52 -05:00
Charlie Marsh	c3f6170503	Update README with list of projects (#874 )	2022-11-22 14:28:02 -05:00
Anders Kaseorg	a46160f0e2	Fix clippy::unreadable_literal (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	9a66cf2ffb	Fix clippy::uninlined_format_args (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#uninlined_format_args Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	3205473612	Ignore clippy::struct_excessive_bools (pedantic) “consider using a state machine or refactoring bools into two-variant enums” https://rust-lang.github.io/rust-clippy/master/index.html#struct_excessive_bools Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	0bb8b14ae1	Fix clippy::single_match_else (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#single_match_else Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	9cf4621071	Fix clippy::redundant_else (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#redundant_else Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	bbc9ed1b21	Fix clippy::redundant_closure_for_method_calls (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#redundant_closure_for_method_calls Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	517ca2604a	Fix clippy::needless_pass_by_value (pedantic) “this argument is passed by value, but not consumed in the function body” https://rust-lang.github.io/rust-clippy/master/index.html#needless_pass_by_value Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	348ff509c0	Fix clippy::mut_mut (pedantic) “this expression mutably borrows a mutable reference. Consider reborrowing” https://rust-lang.github.io/rust-clippy/master/index.html#mut_mut Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	fb545551f8	Fix clippy::match_bool (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#match_bool Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	3b33a431d6	Fix clippy::map_unwrap_or (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#map_unwrap_or Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	bc95690725	Fix clippy::manual_string_new (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#manual_string_new Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	9dc788d089	Fix clippy::let_underscore_drop (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#let_underscore_drop Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	15f63494a7	Fix clippy::items_after_statements (pedantic) “adding items after statements is confusing, since items exist from the start of the scope” https://rust-lang.github.io/rust-clippy/master/index.html#items_after_statements Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	68668c20e8	Fix clippy::if_not_else (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#if_not_else Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	9462335371	Fix clippy::from_iter_instead_of_collect (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#from_iter_instead_of_collect Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	3dd6522b4f	Fix clippy::explicit_iter_loop (pedantic) “it is more concise to loop over references to containers instead of using explicit iteration methods” https://rust-lang.github.io/rust-clippy/master/index.html#explicit_iter_loop Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	6b935121a7	Fix clippy::explicit_deref_methods (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#explicit_deref_methods Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	8d9d9b3204	Fix clippy::documentation_markdown (pedantic) https://rust-lang.github.io/rust-clippy/master/index.html#doc_markdown Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	0a506eff34	Fix clippy::cloned_instead_of_copied (pedantic) “used `cloned` where `copied` could be used instead” https://rust-lang.github.io/rust-clippy/master/index.html#cloned_instead_of_copied Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	7c7489c1dd	Ignore clippy::cast_possible_truncation (pedantic) “casting `usize` to `u8` may truncate the value” https://rust-lang.github.io/rust-clippy/master/index.html#cast_possible_truncation Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	ae90eccb7f	Fix clippy::cast_lossless (pedantic) “casting `bool` to `u8` is more cleanly stated with `u8::from(_)`” https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless Signed-off-by: Anders Kaseorg <andersk@mit.edu>	2022-11-21 23:22:28 -05:00
Anders Kaseorg	7a61edbe46	Fix clippy::default-trait-access (pedantic) (#867 )	2022-11-21 21:00:38 -05:00
Charlie Marsh	59615486d8	Bump version to 0.0.134	2022-11-21 16:15:23 -05:00
Andri Bergsson	ce116a80ad	Automatically remove redundant open modes #640 (#843 )	2022-11-21 16:06:41 -05:00
Anders Kaseorg	731fba9006	Ignore clippy::unreadable-literal (pedantic) for CONFUSABLES (#864 )	2022-11-21 16:00:05 -05:00
Anders Kaseorg	9bcf194fdc	Ignore clippy::match-same-arms (pedantic) in a few places (#863 )	2022-11-21 15:59:58 -05:00
Anders Kaseorg	58949b564e	Fix clippy::trivially-copy-pass-by-ref (pedantic) (#862 )	2022-11-21 15:59:51 -05:00
Anders Kaseorg	6b9e57fb78	Fix clippy::sort-unstable (pedantic) (#861 )	2022-11-21 15:59:41 -05:00
Anders Kaseorg	cb119401a7	Fix clippy::inefficient-to-string (pedantic) (#860 )	2022-11-21 15:59:35 -05:00
Charlie Marsh	0b9188011b	Bump version to 0.0.133	2022-11-21 13:39:37 -05:00
Anders Kaseorg	b657d912d9	Propagate errors from glob::Pattern::new (#858 )	2022-11-21 13:39:19 -05:00
Charlie Marsh	1559671093	Target isort code in README.md	2022-11-21 13:38:01 -05:00
Charlie Marsh	70a53bf12b	Add unit tests for complexity check (#859 )	2022-11-21 13:31:17 -05:00
Charlie Marsh	cd1e07f37c	Avoid incrementing McCabe complexity for class methods (#857 )	2022-11-21 13:30:36 -05:00
Charlie Marsh	7bd6db62d9	Sort relative imports by parent level descending (#856 )	2022-11-21 13:30:24 -05:00
Charlie Marsh	f8b49f308d	Upgrade RustPython (#855 )	2022-11-21 13:20:03 -05:00
Charlie Marsh	b1f9c7b6bd	Update default complexity in README.md	2022-11-21 13:19:55 -05:00
Keming	0867d2ded9	Make it visible under light theme (#854 )	2022-11-21 10:18:21 -05:00
messense	3f597a3b30	Upgrade maturin to 0.14 (#846 )	2022-11-21 10:00:14 -05:00
Charlie Marsh	6733aad216	Avoid attempting to fix PEP 604 violations with deferred annotations (#845 )	2022-11-20 21:41:54 -05:00
Harutaka Kawamura	89980ad651	Implement autofix for B013 (#824 )	2022-11-20 18:49:07 -05:00
Charlie Marsh	38f896502a	Bump version to 0.0.132	2022-11-20 18:10:13 -05:00
Jonathan Plasse	7cab541343	Add convert exit() to sys.exit() rule (#816 )	2022-11-20 18:09:40 -05:00
Charlie Marsh	1a3d2ead41	Support PEP 562 (#841 )	2022-11-20 17:55:57 -05:00
Jonathan Plasse	f96c64b40d	Fix N804 class method with positional only args (#836 )	2022-11-20 15:48:09 -05:00
Charlie Marsh	0791869451	Add RUF to list of fixable defaults (#838 )	2022-11-20 15:40:14 -05:00
Charlie Marsh	965918744b	Replace FNV with rustc-hash (#837 )	2022-11-20 15:38:31 -05:00
Charlie Marsh	6b4aedb366	Bump version to 0.0.131	2022-11-20 13:40:58 -05:00
Charlie Marsh	8123e3e94e	Remove extraneous Python file	2022-11-20 13:39:55 -05:00
Charlie Marsh	9f9a545c51	Improve cache performance by removing `cacache` dependency (#833 )	2022-11-20 13:36:33 -05:00
Charlie Marsh	5bf8219db3	Make main.rs robust to cache initialization failures (#831 )	2022-11-20 11:05:17 -05:00
Charlie Marsh	529513bf02	Add CACHEDIR.TAG to .ruff_cache (#830 )	2022-11-20 10:53:31 -05:00
Charlie Marsh	124782771f	Bump version to 0.0.130	2022-11-20 10:37:19 -05:00
Charlie Marsh	98cab5cdba	Add class names to NamedTuple and TypedDict rules (#829 )	2022-11-20 10:29:47 -05:00
Martin Lehoux	40f38c94a5	Implement U014: Convert NamedTuple function to class (#819 )	2022-11-20 10:26:15 -05:00
Harutaka Kawamura	7839204bf7	Implement autofix for B010 (#823 )	2022-11-20 10:14:29 -05:00
Jonathan Plasse	e63ea704f0	Adjust U011 start location (#828 )	2022-11-20 10:13:29 -05:00
Charlie Marsh	4be09b45ea	Bump version to 0.0.129	2022-11-19 19:52:40 -05:00
Harutaka Kawamura	13e8ed0a0a	Implement autofix for E731 (#814 )	2022-11-19 19:51:41 -05:00
Anders Kaseorg	4161d4ae32	Exempt parameters with immutable annotations from B006 (#821 )	2022-11-19 19:46:08 -05:00
Charlie Marsh	99f7854d8c	Mark nonlocal variables as used in parent scopes (#822 )	2022-11-19 19:21:02 -05:00
Harutaka Kawamura	a580d1a858	Adjust `UnusedNOQA` start location (#817 )	2022-11-19 09:30:02 -05:00
Martin Lehoux	86806a9e39	U013: Also convert typing.TypedDict (#810 )	2022-11-19 09:29:05 -05:00