Bump version to 0.0.133

Propagate errors from glob::Pattern::new (#858 )
Target isort code in README.md
2022-11-21 13:39:37 -05:00 · 2022-11-21 13:39:19 -05:00 · 2022-11-21 13:38:01 -05:00 · 2022-11-21 13:31:17 -05:00 · 2022-11-21 13:30:36 -05:00 · 2022-11-21 13:30:24 -05:00
178 changed files with 5727 additions and 2069 deletions
--- 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: v0.0.124
+    rev: v0.0.133
    hooks:
      - id: ruff

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -98,6 +98,13 @@ _and_ a `pyproject.toml` parameter to `src/pyproject.rs`. If you want to pattern
 existing example, grep for `dummy_variable_rgx`, which defines a regular expression to match against
 acceptable unused variables (e.g., `_`).

+If the new plugin's configuration should be cached between runs, you'll need to add it to the
+`Hash` implementation for `Settings` in `src/settings/mod.rs`.
+
+You may also want to add the new configuration option to the `flake8-to-ruff` tool, which is
+responsible for converting `flake8` configuration files to Ruff's TOML format. This logic
+lives in `flake8_to_ruff/src/converter.rs`.
+
 ## Release process

 As of now, Ruff has an ad hoc release process: releases are cut with high frequency via GitHub
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,6 +49,16 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c7021ce4924a3f25f802b2cccd1af585e39ea1a363a1aa2e72afe54b67a3a7a7"

+[[package]]
+name = "annotate-snippets"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3b9d411ecbaf79885c6df4d75fff75858d5995ff25385657a28af47e82f9c36"
+dependencies = [
+ "unicode-width",
+ "yansi-term",
+]
+
 [[package]]
 name = "anyhow"
 version = "1.0.66"
@@ -84,133 +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"
@@ -228,15 +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"
@@ -273,50 +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"
@@ -347,46 +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"
@@ -417,7 +215,7 @@ version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a5b5db619f3556839cb2223ae86ff3f9a09da2c5013be42bc9af08c9589bf70c"
 dependencies = [
- "annotate-snippets",
+ "annotate-snippets 0.6.1",
 ]

 [[package]]
@@ -572,15 +370,6 @@ 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"
@@ -606,15 +395,6 @@ version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"

-[[package]]
-name = "cpufeatures"
-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"
@@ -709,16 +489,6 @@ 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"
@@ -775,24 +545,6 @@ 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]]
-name = "digest"
-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"
@@ -880,18 +632,6 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"

-[[package]]
-name = "event-listener"
-version = "2.5.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0206175f82b8d6bf6652ff7d71a1e27fd2e4efde587fd368662814d6ec1d9ce0"
-
-[[package]]
-name = "fake-simd"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
-
 [[package]]
 name = "fastrand"
 version = "1.8.0"
@@ -930,15 +670,15 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"

 [[package]]
 name = "flake8-to-ruff"
-version = "0.0.124-dev.0"
+version = "0.0.133-dev.0"
 dependencies = [
 "anyhow",
 "clap 4.0.22",
 "configparser",
- "fnv",
 "once_cell",
 "regex",
 "ruff",
+ "rustc-hash",
 "serde",
 "serde_json",
 "toml",
@@ -1004,129 +744,6 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"

-[[package]]
-name = "futures"
-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",
- "futures-sink",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-channel"
-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52ba265a92256105f45b719605a571ffe2d1f0fea3807304b522c1d778f79eed"
-dependencies = [
- "futures-core",
- "futures-sink",
-]
-
-[[package]]
-name = "futures-core"
-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "04909a7a7e4633ae6c4a9ab280aeb86da1236243a77b694a49eacd659a4bd3ac"
-
-[[package]]
-name = "futures-executor"
-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7acc85df6714c176ab5edf386123fafe217be88c0840ec11f199441134a074e2"
-dependencies = [
- "futures-core",
- "futures-task",
- "futures-util",
-]
-
-[[package]]
-name = "futures-io"
-version = "0.3.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00f5fb52a06bdcadeb54e8d3671f8888a39697dcb0b81b23b55174030427f4eb"
-
-[[package]]
-name = "futures-lite"
-version = "1.12.0"
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 [[package]]
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@@ -1157,18 +774,6 @@ version = "0.3.0"
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 checksum = "9b919933a397b79c37e33b77bb2aa3dc8eb6e165ad809e58ff75bc7db2e34574"

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- "futures-core",
- "js-sys",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "half"
 version = "1.8.2"
@@ -1199,18 +804,6 @@ dependencies = [
 "libc",
 ]

-[[package]]
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-
 [[package]]
 name = "hexf-parse"
 version = "0.2.1"
@@ -1353,15 +946,6 @@ dependencies = [
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 ]

-[[package]]
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-dependencies = [
- "log",
-]
-
 [[package]]
 name = "lalrpop"
 version = "0.19.8"
@@ -1498,7 +1082,6 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "abb12e687cfb44aa40f41fc3978ef76448f9b6038cad6aef4259d3c095a2382e"
 dependencies = [
 "cfg-if 1.0.0",
- "value-bag",
 ]

 [[package]]
@@ -1522,15 +1105,6 @@ 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"
@@ -1717,30 +1291,12 @@ 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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 version = "0.12.1"
@@ -1913,18 +1469,6 @@ version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "db8bcd96cb740d03149cbad5518db9fd87126a10ab519c011893b1754134c468"

-[[package]]
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-
-[[package]]
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-
 [[package]]
 name = "plotters"
 version = "0.3.4"
@@ -1953,20 +1497,6 @@ dependencies = [
 "plotters-backend",
 ]

-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
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- "cfg-if 1.0.0",
- "libc",
- "log",
- "wepoll-ffi",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "ppv-lite86"
 version = "0.2.17"
@@ -2238,14 +1768,15 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.124"
+version = "0.0.133"
 dependencies = [
+ "annotate-snippets 0.9.1",
 "anyhow",
 "assert_cmd",
 "atty",
 "bincode",
 "bitflags",
- "cacache",
+ "cachedir",
 "chrono",
 "clap 4.0.22",
 "clearscreen",
@@ -2255,7 +1786,6 @@ dependencies = [
 "dirs 4.0.0",
 "fern",
 "filetime",
- "fnv",
 "getrandom 0.2.8",
 "glob",
 "insta",
@@ -2270,6 +1800,7 @@ dependencies = [
 "rayon",
 "regex",
 "ropey",
+ "rustc-hash",
 "rustpython-ast",
 "rustpython-common",
 "rustpython-parser",
@@ -2287,7 +1818,7 @@ dependencies = [

 [[package]]
 name = "ruff_dev"
-version = "0.0.124"
+version = "0.0.133"
 dependencies = [
 "anyhow",
 "clap 4.0.22",
@@ -2302,6 +1833,12 @@ 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"
@@ -2317,7 +1854,7 @@ 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",
@@ -2327,7 +1864,7 @@ 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",
@@ -2350,7 +1887,7 @@ 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",
@@ -2367,7 +1904,7 @@ 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",
@@ -2379,6 +1916,7 @@ dependencies = [
 "num-traits",
 "phf 0.10.1",
 "phf_codegen 0.10.0",
+ "rustc-hash",
 "rustpython-ast",
 "rustpython-compiler-core",
 "thiserror",
@@ -2468,75 +2006,6 @@ dependencies = [
 "serde",
 ]

-[[package]]
-name = "sha-1"
-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7d94d0bede923b3cea61f3f1ff57ff8cdfd77b400fb8f9998949e0cf04163df"
-dependencies = [
- "block-buffer 0.7.3",
- "digest 0.8.1",
- "fake-simd",
- "opaque-debug 0.2.3",
-]
-
-[[package]]
-name = "sha-1"
-version = "0.9.8"
-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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-version = "0.8.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a256f46ea78a0c0d9ff00077504903ac881a1dafdc20da66545699e7776b3e69"
-dependencies = [
- "block-buffer 0.7.3",
- "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"
@@ -2570,37 +2039,12 @@ 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"
@@ -2845,12 +2289,6 @@ 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"
@@ -2989,7 +2427,7 @@ 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",
@@ -3013,16 +2451,6 @@ 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"
@@ -3044,12 +2472,6 @@ 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"
@@ -3098,18 +2520,6 @@ 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"
@@ -3168,15 +2578,6 @@ 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"
@@ -3312,3 +2713,12 @@ checksum = "56c1936c4cc7a1c9ab21a1ebb602eb942ba868cbd44a99cb7cdc5892335e1c85"
 dependencies = [
 "linked-hash-map",
 ]
+
+[[package]]
+name = "yansi-term"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fe5c30ade05e61656247b2e334a031dfd0cc466fadef865bdcdea8d537951bf1"
+dependencies = [
+ "winapi 0.3.9",
+]
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,17 +6,19 @@ members = [

 [package]
 name = "ruff"
-version = "0.0.124"
+version = "0.0.133"
 edition = "2021"

 [lib]
 name = "ruff"

 [dependencies]
+annotate-snippets = { version = "0.9.1", features = ["color"] }
 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"] }
 colored = { version = "2.0.0" }
@@ -24,7 +26,6 @@ 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" }
 itertools = { version = "0.10.5" }
 libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "a13ec97dd4eb925bde4d426c6e422582793b260c" }
@@ -37,9 +38,10 @@ 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"] }
@@ -51,7 +53,6 @@ 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/49
+++ b/49
@@ -168,6 +168,30 @@ are:
    THE SOFTWARE.
  """

+- flake8-blind-except, licensed as follows:
+  """
+    The MIT License (MIT)
+
+    Copyright (c) 2014 Elijah Andrews
+
+    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-bugbear, licensed as follows:
  """
    The MIT License (MIT)
@@ -218,6 +242,31 @@ are:
    SOFTWARE.
  """

+- flake8-tidy-imports, licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2017 Adam Johnson
+
+    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-print, licensed as follows:
  """
    MIT License
--- a/README.md
+++ b/README.md
@@ -44,31 +44,35 @@ Read the [launch blog post](https://notes.crmarsh.com/python-tooling-could-be-mu
 ## Table of Contents

 1. [Installation and Usage](#installation-and-usage)
-2. [Configuration](#configuration)
-3. [Supported Rules](#supported-rules)
-   1. [Pyflakes](#pyflakes)
-   2. [pycodestyle](#pycodestyle)
-   3. [isort](#isort)
-   4. [pydocstyle](#pydocstyle)
-   5. [pyupgrade](#pyupgrade)
-   6. [pep8-naming](#pep8-naming)
-   7. [flake8-bandit](#flake8-bandit)
-   8. [flake8-comprehensions](#flake8-comprehensions)
-   9. [flake8-bugbear](#flake8-bugbear)
-   10. [flake8-builtins](#flake8-builtins)
-   11. [flake8-print](#flake8-print)
-   12. [flake8-quotes](#flake8-quotes)
-   13. [flake8-annotations](#flake8-annotations)
-   14. [flake8-2020](#flake8-2020)
-   15. [Ruff-specific rules](#ruff-specific-rules)
-   16. [Meta rules](#meta-rules)
-5. [Editor Integrations](#editor-integrations)
-6. [FAQ](#faq)
-7. [Development](#development)
-8. [Releases](#releases)
-9. [Benchmarks](#benchmarks)
-10. [License](#license)
-11. [Contributing](#contributing)
+1. [Configuration](#configuration)
+1. [Supported Rules](#supported-rules)
+   1. [Pyflakes (F)](#pyflakes)
+   1. [pycodestyle (E)](#pycodestyle)
+   1. [isort (I)](#isort)
+   1. [pydocstyle (D)](#pydocstyle)
+   1. [pyupgrade (U)](#pyupgrade)
+   1. [pep8-naming (N)](#pep8-naming)
+   1. [flake8-bandit (S)](#flake8-bandit)
+   1. [flake8-comprehensions (C)](#flake8-comprehensions)
+   1. [flake8-bugbear (B)](#flake8-bugbear)
+   1. [flake8-builtins (A)](#flake8-builtins)
+   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)
+1. [Editor Integrations](#editor-integrations)
+1. [FAQ](#faq)
+1. [Development](#development)
+1. [Releases](#releases)
+1. [Benchmarks](#benchmarks)
+1. [License](#license)
+1. [Contributing](#contributing)

 ## Installation and Usage

@@ -118,7 +122,7 @@ default configuration is equivalent to:
 [tool.ruff]
 line-length = 88

-# Enable Flake's "E" and "F" codes by default.
+# Enable Pyflakes `E` and `F` codes by default.
 select = ["E", "F"]
 ignore = []

@@ -151,20 +155,30 @@ 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
-violations (`E501`) and (2) ignore unused import rules in `__init__.py` files:
+As an example, the following would configure Ruff to: (1) avoid checking for line-length
+violations (`E501`); (2), always autofix, but never remove unused imports (`F401`); and (3) ignore
+import-at-top-of-file errors (`E402`) in `__init__.py` files:

 ```toml
 [tool.ruff]
+# Enable Pyflakes and pycodestyle rules.
 select = ["E", "F"]

-# Never enforce `E501`.
+# Never enforce `E501` (line length violations).
 ignore = ["E501"]

-# Ignore `F401` violations in any `__init__.py` file, and in `path/to/file.py`.
-per-file-ignores = {"__init__.py" = ["F401"], "path/to/file.py" = ["F401"]}
+# Always autofix, but never try to fix `F401` (unused imports).
+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"]}
 ```

 Plugin configurations should be expressed as subsections, e.g.:
@@ -187,7 +201,7 @@ ruff path/to/code/ --select F401 --select F403
 See `ruff --help` for more:

 ```shell
-ruff: An extremely fast Python linter.
+Ruff: An extremely fast Python linter.

 Usage: ruff [OPTIONS] <FILES>...

@@ -223,14 +237,20 @@ Options:
          List of paths, used to exclude files and/or directories from checks
      --extend-exclude <EXTEND_EXCLUDE>
          Like --exclude, but adds additional files and directories on top of the excluded ones
+      --fixable <FIXABLE>
+          List of error codes to treat as eligible for autofix. Only applicable when autofix itself is enabled (e.g., via `--fix`)
+      --unfixable <UNFIXABLE>
+          List of error codes to treat as ineligible for autofix. Only applicable when autofix itself is enabled (e.g., via `--fix`)
      --per-file-ignores <PER_FILE_IGNORES>
          List of mappings from file pattern to code to exclude
      --format <FORMAT>
          Output serialization format for error messages [default: text] [possible values: text, json]
+      --show-source
+          Show violations with source code
      --show-files
-          See the files ruff will be run against with the current settings
+          See the files Ruff will be run against with the current settings
      --show-settings
-          See ruff's settings
+          See Ruff's settings
      --add-noqa
          Enable automatic additions of noqa directives to failing lines
      --dummy-variable-rgx <DUMMY_VARIABLE_RGX>
@@ -239,6 +259,8 @@ Options:
          The minimum Python version that should be supported
      --line-length <LINE_LENGTH>
          Set the line-length for length-associated checks and automatic formatting
+      --max-complexity <MAX_COMPLEXITY>
+          Max McCabe complexity allowed for a function
      --stdin-filename <STDIN_FILENAME>
          The name of the file when passing it through stdin
  -h, --help
@@ -356,13 +378,13 @@ For more, see [pycodestyle](https://pypi.org/project/pycodestyle/2.9.1/) on PyPI
 | ---- | ---- | ------- | --- |
 | E402 | ModuleImportNotAtTopOfFile | Module level import not at top of file |  |
 | E501 | LineTooLong | Line too long (89 > 88 characters) |  |
-| E711 | NoneComparison | Comparison to `None` should be `cond is None` |  |
-| E712 | TrueFalseComparison | Comparison to `True` should be `cond is True` |  |
-| E713 | NotInTest | Test for membership should be `not in` |  |
-| E714 | NotIsTest | Test for object identity should be `is not` |  |
+| E711 | NoneComparison | Comparison to `None` should be `cond is None` | 🛠 |
+| E712 | TrueFalseComparison | Comparison to `True` should be `cond is True` | 🛠 |
+| E713 | NotInTest | Test for membership should be `not in` | 🛠 |
+| 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: `...` |  |
@@ -437,7 +459,6 @@ For more, see [pyupgrade](https://pypi.org/project/pyupgrade/3.2.0/) on PyPI.
 | Code | Name | Message | Fix |
 | ---- | ---- | ------- | --- |
 | U001 | UselessMetaclassType | `__metaclass__ = type` is implied | 🛠 |
-| U002 | UnnecessaryAbspath | `abspath(__file__)` is unnecessary in Python 3.9 and later | 🛠 |
 | U003 | TypeOfPrimitive | Use `str` instead of `type(...)` | 🛠 |
 | U004 | UselessObjectInheritance | Class `...` inherits from object | 🛠 |
 | U005 | DeprecatedUnittestAlias | `assertEquals` is deprecated, use `assertEqual` instead | 🛠 |
@@ -448,6 +469,8 @@ 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 `...` from `TypedDict` functional to class syntax | 🛠 |
+| U014 | ConvertNamedTupleFunctionalToClass | Convert `...` from `NamedTuple` functional to class syntax | 🛠 |

 ### pep8-naming

@@ -507,6 +530,16 @@ 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-boolean-trap
+
+For more, see [flake8-boolean-trap](https://pypi.org/project/flake8-boolean-trap/0.1.0/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| FBT001 | BooleanPositionalArgInFunctionDefinition | Boolean positional arg in function definition |  |
+| FBT002 | BooleanDefaultValueInFunctionDefinition | Boolean default value in function definition |  |
+| FBT003 | BooleanPositionalValueInFunctionCall | Boolean positional value in function call |  |
+
 ### flake8-bugbear

 For more, see [flake8-bugbear](https://pypi.org/project/flake8-bugbear/22.10.27/) on PyPI.
@@ -521,10 +554,10 @@ 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? |  |
@@ -549,6 +582,14 @@ For more, see [flake8-builtins](https://pypi.org/project/flake8-builtins/2.0.1/)
 | A002 | BuiltinArgumentShadowing | Argument `...` is shadowing a python builtin |  |
 | A003 | BuiltinAttributeShadowing | Class attribute `...` is shadowing a python builtin |  |

+### flake8-tidy-imports
+
+For more, see [flake8-tidy-imports](https://pypi.org/project/flake8-tidy-imports/4.8.0/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| I252 | BannedRelativeImport | Relative imports are banned |  |
+
 ### flake8-print

 For more, see [flake8-print](https://pypi.org/project/flake8-print/5.0.0/) on PyPI.
@@ -604,6 +645,22 @@ For more, see [flake8-2020](https://pypi.org/project/flake8-2020/1.7.0/) on PyPI
 | YTT302 | SysVersionCmpStr10 | `sys.version` compared to string (python10), use `sys.version_info` |  |
 | YTT303 | SysVersionSlice1Referenced | `sys.version[:1]` referenced (python10), use `sys.version_info` |  |

+### flake8-blind-except
+
+For more, see [flake8-blind-except](https://pypi.org/project/flake8-blind-except/0.2.1/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| BLE001 | BlindExcept | Blind except Exception: statement |  |
+
+### mccabe
+
+For more, see [mccabe](https://pypi.org/project/mccabe/0.7.0/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| C901 | FunctionIsTooComplex | `...` is too complex (10) |  |
+
 ### Ruff-specific rules

 | Code | Name | Message | Fix |
@@ -611,6 +668,7 @@ For more, see [flake8-2020](https://pypi.org/project/flake8-2020/1.7.0/) 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

@@ -643,8 +701,59 @@ Ruff should then appear as a runnable action:
 Ruff is available as part of the [coc-pyright](https://github.com/fannheyward/coc-pyright) extension
 for coc.nvim.

-Ruff can also be integrated via [efm](https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#efm)
-in just a [few lines](https://github.com/JafarAbdi/myconfigs/blob/6f0b6b2450e92ec8fc50422928cd22005b919110/efm-langserver/config.yaml#L14-L20).
+<details>
+<summary>Ruff can also be integrated via <a href="https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md#efm"><code>efm</code></a> in just a <a href="https://github.com/JafarAbdi/myconfigs/blob/6f0b6b2450e92ec8fc50422928cd22005b919110/efm-langserver/config.yaml#L14-L20">few lines</a>.</summary>
+<br>
+
+```yaml
+tools:
+  python-ruff: &python-ruff
+    lint-command: 'ruff --config ~/myconfigs/linters/ruff.toml --quiet ${INPUT}'
+    lint-stdin: true
+    lint-formats:
+      - '%f:%l:%c: %m'
+    format-command: 'ruff --stdin-filename ${INPUT} --config ~/myconfigs/linters/ruff.toml --fix --exit-zero --quiet -'
+    format-stdin: true
+```
+
+</details>
+
+<details>
+<summary>For neovim users using <a href="https://github.com/jose-elias-alvarez/null-ls.nvim"><code>null-ls</code></a>, Ruff is already <a href="https://github.com/jose-elias-alvarez/null-ls.nvim">integrated</a>.</summary>
+<br>
+
+```lua
+local null_ls = require("null-ls")
+local methods = require("null-ls.methods")
+local helpers = require("null-ls.helpers")
+
+local function ruff_fix()
+    return helpers.make_builtin({
+        name = "ruff",
+        meta = {
+            url = "https://github.com/charliermarsh/ruff/",
+            description = "An extremely fast Python linter, written in Rust.",
+        },
+        method = methods.internal.FORMATTING,
+        filetypes = { "python" },
+        generator_opts = {
+            command = "ruff",
+            args = { "--fix", "-e", "-n", "--stdin-filename", "$FILENAME", "-" },
+            to_stdin = true
+        },
+        factory = helpers.formatter_factory
+    })
+end
+
+null_ls.setup({
+    sources = {
+        ruff_fix(),
+        null_ls.builtins.diagnostics.ruff,
+    }
+})
+```
+
+</details>

 ### Language Server Protocol (Unofficial)

@@ -705,6 +814,7 @@ including:
 - [`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/)
@@ -712,7 +822,11 @@ including:
 - [`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/)
- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (15/34)
+- [`flake8-blind-except`](https://pypi.org/project/flake8-blind-except/)
+- [`flake8-boolean-trap`](https://pypi.org/project/flake8-boolean-trap/)
+- [`mccabe`](https://pypi.org/project/mccabe/)
+- [`isort`](https://pypi.org/project/isort/)
+- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (15/33)
 - [`autoflake`](https://pypi.org/project/autoflake/) (1/7)

 Beyond rule-set parity, Ruff suffers from the following limitations vis-à-vis Flake8:
@@ -726,10 +840,12 @@ Beyond rule-set parity, Ruff suffers from the following limitations vis-à-vis F

 Today, Ruff can be used to replace Flake8 when used with any of the following plugins:

+- [`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-annotations`](https://pypi.org/project/flake8-annotations/)
@@ -737,9 +853,12 @@ Today, Ruff can be used to replace Flake8 when used with any of the following pl
 - [`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/)
+- [`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/) (15/34).
+and a subset of the rules implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (15/33).

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

@@ -778,7 +897,7 @@ select = [
    "E",
    "W",
    # isort
-    "I"
+    "I001"
 ]
 src = ["src", "tests"]

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

 [[package]]
 name = "flake8_to_ruff"
-version = "0.0.124"
+version = "0.0.133"
 dependencies = [
 "anyhow",
 "clap",
@@ -1975,7 +1975,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.124"
+version = "0.0.133"
 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 = "0.0.124-dev.0"
+version = "0.0.133-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
@@ -3,9 +3,12 @@ use std::collections::{BTreeSet, HashMap};
 use anyhow::Result;
 use ruff::checks_gen::CheckCodePrefix;
 use ruff::flake8_quotes::settings::Quote;
+use ruff::flake8_tidy_imports::settings::Strictness;
 use ruff::settings::options::Options;
 use ruff::settings::pyproject::Pyproject;
-use ruff::{flake8_annotations, flake8_bugbear, flake8_quotes, pep8_naming};
+use ruff::{
+    flake8_annotations, flake8_bugbear, flake8_quotes, flake8_tidy_imports, mccabe, pep8_naming,
+};

 use crate::plugin::Plugin;
 use crate::{parser, plugin};
@@ -71,6 +74,8 @@ pub fn convert(
    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();
    for (key, value) in flake8 {
        if let Some(value) = value {
@@ -172,10 +177,23 @@ pub fn convert(
                    pep8_naming.staticmethod_decorators =
                        Some(parser::parse_strings(value.as_ref()));
                }
+                // flake8-tidy-imports
+                "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)
+                    }
+                    _ => eprintln!("Unexpected '{key}' value: {value}"),
+                },
                // flake8-docstrings
                "docstring-convention" => {
                    // No-op (handled above).
                }
+                // mccabe
+                "max-complexity" | "max_complexity" => match value.clone().parse::<usize>() {
+                    Ok(max_complexity) => mccabe.max_complexity = Some(max_complexity),
+                    Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
+                },
                // Unknown
                _ => eprintln!("Skipping unsupported property: {key}"),
            }
@@ -194,6 +212,12 @@ pub fn convert(
    if flake8_quotes != Default::default() {
        options.flake8_quotes = Some(flake8_quotes);
    }
+    if flake8_tidy_imports != Default::default() {
+        options.flake8_tidy_imports = Some(flake8_tidy_imports);
+    }
+    if mccabe != Default::default() {
+        options.mccabe = Some(mccabe);
+    }
    if pep8_naming != Default::default() {
        options.pep8_naming = Some(pep8_naming);
    }
@@ -219,26 +243,31 @@ mod tests {
    fn it_converts_empty() -> Result<()> {
        let actual = convert(&HashMap::from([]), None)?;
        let expected = Pyproject::new(Options {
-            line_length: None,
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: None,
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::E,
                CheckCodePrefix::F,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: None,
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
@@ -253,26 +282,31 @@ mod tests {
            Some(vec![]),
        )?;
        let expected = Pyproject::new(Options {
-            line_length: Some(100),
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: Some(100),
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::E,
                CheckCodePrefix::F,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: None,
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
@@ -287,26 +321,31 @@ mod tests {
            Some(vec![]),
        )?;
        let expected = Pyproject::new(Options {
-            line_length: Some(100),
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: Some(100),
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::E,
                CheckCodePrefix::F,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: None,
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
@@ -321,26 +360,31 @@ mod tests {
            Some(vec![]),
        )?;
        let expected = Pyproject::new(Options {
-            line_length: None,
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: None,
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::E,
                CheckCodePrefix::F,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: None,
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
@@ -355,22 +399,25 @@ mod tests {
            Some(vec![]),
        )?;
        let expected = Pyproject::new(Options {
-            line_length: None,
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: None,
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::E,
                CheckCodePrefix::F,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: Some(flake8_quotes::settings::Options {
@@ -379,7 +426,9 @@ mod tests {
                docstring_quotes: None,
                avoid_escape: None,
            }),
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
@@ -397,11 +446,16 @@ mod tests {
            Some(vec![Plugin::Flake8Docstrings]),
        )?;
        let expected = Pyproject::new(Options {
-            line_length: None,
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: None,
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::D100,
                CheckCodePrefix::D101,
@@ -442,16 +496,16 @@ mod tests {
                CheckCodePrefix::F,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: None,
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
@@ -466,23 +520,26 @@ mod tests {
            None,
        )?;
        let expected = Pyproject::new(Options {
-            line_length: None,
-            src: None,
-            fix: None,
+            dummy_variable_rgx: None,
            exclude: None,
            extend_exclude: None,
+            extend_ignore: None,
+            extend_select: None,
+            fix: None,
+            fixable: None,
+            ignore: Some(vec![]),
+            line_length: None,
+            per_file_ignores: None,
            select: Some(vec![
                CheckCodePrefix::E,
                CheckCodePrefix::F,
                CheckCodePrefix::Q,
                CheckCodePrefix::W,
            ]),
-            extend_select: None,
-            ignore: Some(vec![]),
-            extend_ignore: None,
-            per_file_ignores: None,
-            dummy_variable_rgx: None,
+            show_source: None,
+            src: None,
            target_version: None,
+            unfixable: None,
            flake8_annotations: None,
            flake8_bugbear: None,
            flake8_quotes: Some(flake8_quotes::settings::Options {
@@ -491,7 +548,9 @@ mod tests {
                docstring_quotes: None,
                avoid_escape: None,
            }),
+            flake8_tidy_imports: None,
            isort: None,
+            mccabe: None,
            pep8_naming: None,
        });
        assert_eq!(actual, expected);
--- 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());

@@ -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
@@ -11,9 +11,12 @@ pub enum Plugin {
    Flake8Builtins,
    Flake8Comprehensions,
    Flake8Docstrings,
+    Flake8TidyImports,
    Flake8Print,
    Flake8Quotes,
    Flake8Annotations,
+    McCabe,
+    Flake8BlindExcept,
    PEP8Naming,
    Pyupgrade,
 }
@@ -28,9 +31,12 @@ impl FromStr for Plugin {
            "flake8-builtins" => Ok(Plugin::Flake8Builtins),
            "flake8-comprehensions" => Ok(Plugin::Flake8Comprehensions),
            "flake8-docstrings" => Ok(Plugin::Flake8Docstrings),
+            "flake8-tidy-imports" => Ok(Plugin::Flake8TidyImports),
            "flake8-print" => Ok(Plugin::Flake8Print),
            "flake8-quotes" => Ok(Plugin::Flake8Quotes),
            "flake8-annotations" => Ok(Plugin::Flake8Annotations),
+            "flake8-blind-except" => Ok(Plugin::Flake8BlindExcept),
+            "mccabe" => Ok(Plugin::McCabe),
            "pep8-naming" => Ok(Plugin::PEP8Naming),
            "pyupgrade" => Ok(Plugin::Pyupgrade),
            _ => Err(anyhow!("Unknown plugin: {}", string)),
@@ -44,11 +50,14 @@ impl Plugin {
            Plugin::Flake8Bandit => CheckCodePrefix::S,
            Plugin::Flake8Bugbear => CheckCodePrefix::B,
            Plugin::Flake8Builtins => CheckCodePrefix::A,
-            Plugin::Flake8Comprehensions => CheckCodePrefix::C,
+            Plugin::Flake8Comprehensions => CheckCodePrefix::C4,
            Plugin::Flake8Docstrings => CheckCodePrefix::D,
+            Plugin::Flake8TidyImports => CheckCodePrefix::I25,
            Plugin::Flake8Print => CheckCodePrefix::T,
            Plugin::Flake8Quotes => CheckCodePrefix::Q,
            Plugin::Flake8Annotations => CheckCodePrefix::ANN,
+            Plugin::Flake8BlindExcept => CheckCodePrefix::BLE,
+            Plugin::McCabe => CheckCodePrefix::C9,
            Plugin::PEP8Naming => CheckCodePrefix::N,
            Plugin::Pyupgrade => CheckCodePrefix::U,
        }
@@ -59,7 +68,7 @@ impl Plugin {
            Plugin::Flake8Bandit => vec![CheckCodePrefix::S],
            Plugin::Flake8Bugbear => vec![CheckCodePrefix::B],
            Plugin::Flake8Builtins => vec![CheckCodePrefix::A],
-            Plugin::Flake8Comprehensions => vec![CheckCodePrefix::C],
+            Plugin::Flake8Comprehensions => vec![CheckCodePrefix::C4],
            Plugin::Flake8Docstrings => {
                // Use the user-provided docstring.
                for key in ["docstring-convention", "docstring_convention"] {
@@ -76,9 +85,12 @@ impl Plugin {
                // Default to PEP8.
                DocstringConvention::PEP8.select()
            }
+            Plugin::Flake8TidyImports => vec![CheckCodePrefix::I25],
            Plugin::Flake8Print => vec![CheckCodePrefix::T],
            Plugin::Flake8Quotes => vec![CheckCodePrefix::Q],
            Plugin::Flake8Annotations => vec![CheckCodePrefix::ANN],
+            Plugin::Flake8BlindExcept => vec![CheckCodePrefix::BLE],
+            Plugin::McCabe => vec![CheckCodePrefix::C9],
            Plugin::PEP8Naming => vec![CheckCodePrefix::N],
            Plugin::Pyupgrade => vec![CheckCodePrefix::U],
        }
@@ -315,6 +327,17 @@ 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-tidy-imports
+            "ban-relative-imports" | "ban_relative_imports" => {
+                plugins.insert(Plugin::Flake8TidyImports);
+            }
+            "banned-modules" | "banned_modules" => {
+                plugins.insert(Plugin::Flake8TidyImports);
+            }
+            // mccabe
+            "max-complexity" | "max_complexity" => {
+                plugins.insert(Plugin::McCabe);
+            }
            // pep8-naming
            "ignore-names" | "ignore_names" => {
                plugins.insert(Plugin::PEP8Naming);
@@ -342,9 +365,11 @@ pub fn infer_plugins_from_codes(codes: &BTreeSet<CheckCodePrefix>) -> Vec<Plugin
        Plugin::Flake8Builtins,
        Plugin::Flake8Comprehensions,
        Plugin::Flake8Docstrings,
+        Plugin::Flake8TidyImports,
        Plugin::Flake8Print,
        Plugin::Flake8Quotes,
        Plugin::Flake8Annotations,
+        Plugin::Flake8BlindExcept,
        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/BLE.py
+++ b/resources/test/fixtures/BLE.py
@@ -0,0 +1,55 @@
+try:
+    pass
+except ValueError:
+    pass
+except Exception as e:
+    raise e
+finally:
+    pass
+
+
+try:
+    pass
+except BaseException as e:
+    raise e
+except TypeError:
+    pass
+else:
+    pass
+
+
+try:
+    pass
+except Exception as e:
+    raise e
+except BaseException:
+    pass
+
+
+try:
+    pass
+except Exception:
+    pass
+finally:
+    try:
+        pass
+    except BaseException as e:
+        raise e
+
+
+try:
+    pass
+except Exception as e:
+    try:
+        raise e
+    except BaseException:
+        pass
+
+
+try:
+    try:
+        pass
+    except BaseException as e:
+        raise e
+except Exception:
+    pass
--- a/resources/test/fixtures/C901.py
+++ b/resources/test/fixtures/C901.py
@@ -0,0 +1,138 @@
+# Complexity = 1
+def trivial():
+    pass
+
+
+# Complexity = 1
+def expr_as_statement():
+    0xF00D
+
+
+# Complexity = 1
+def sequential(n):
+    k = n + 4
+    s = k + n
+    return s
+
+
+# Complexity = 3
+def if_elif_else_dead_path(n):
+    if n > 3:
+        return "bigger than three"
+    elif n > 4:
+        return "is never executed"
+    else:
+        return "smaller than or equal to three"
+
+
+# Complexity = 3
+def nested_ifs():
+    if n > 3:
+        if n > 4:
+            return "bigger than four"
+        else:
+            return "bigger than three"
+    else:
+        return "smaller than or equal to three"
+
+
+# Complexity = 2
+def for_loop():
+    for i in range(10):
+        print(i)
+
+
+# Complexity = 2
+def for_else(mylist):
+    for i in mylist:
+        print(i)
+    else:
+        print(None)
+
+
+# Complexity = 2
+def recursive(n):
+    if n > 4:
+        return f(n - 1)
+    else:
+        return n
+
+
+# Complexity = 3
+def nested_functions():
+    def a():
+        def b():
+            pass
+
+        b()
+
+    a()
+
+
+# Complexity = 4
+def try_else():
+    try:
+        print(1)
+    except TypeA:
+        print(2)
+    except TypeB:
+        print(3)
+    else:
+        print(4)
+
+
+# Complexity = 3
+def nested_try_finally():
+    try:
+        try:
+            print(1)
+        finally:
+            print(2)
+    finally:
+        print(3)
+
+
+# Complexity = 3
+async def foobar(a, b, c):
+    await whatever(a, b, c)
+    if await b:
+        pass
+    async with c:
+        pass
+    async for x in a:
+        pass
+
+
+# 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
@@ -532,3 +532,37 @@ class Blah:  # noqa: D203,D213

 expect(os.path.normcase(__file__ if __file__[-1] != 'c' else __file__[:-1]),
       'D100: Missing docstring in public module')
+
+
+@expect('D201: No blank lines allowed before function docstring (found 1)')
+@expect('D213: Multi-line docstring summary should start at the second line')
+def multiline_leading_space():
+
+    """Leading space.
+
+    More content.
+    """
+
+
+@expect('D202: No blank lines allowed after function docstring (found 1)')
+@expect('D213: Multi-line docstring summary should start at the second line')
+def multiline_trailing_space():
+    """Leading space.
+
+    More content.
+    """
+
+    pass
+
+
+@expect('D201: No blank lines allowed before function docstring (found 1)')
+@expect('D202: No blank lines allowed after function docstring (found 1)')
+@expect('D213: Multi-line docstring summary should start at the second line')
+def multiline_trailing_and_leading_space():
+
+    """Trailing and leading space.
+
+    More content.
+    """
+
+    pass
--- a/resources/test/fixtures/E711.py
+++ b/resources/test/fixtures/E711.py
@@ -23,6 +23,9 @@ if None != res[1]:
 if None == res[1]:
    pass

+if x == None != None:
+    pass
+
 #: Okay
 if x not in y:
    pass
--- a/resources/test/fixtures/E712.py
+++ b/resources/test/fixtures/E712.py
@@ -22,6 +22,9 @@ var = 1 if cond == True else -1 if cond == False else cond
 if (True) == TrueElement or x == TrueElement:
    pass

+if res == True != False:
+    pass
+
 #: Okay
 if x not in y:
    pass
--- a/resources/test/fixtures/F841.py
+++ b/resources/test/fixtures/F841.py
@@ -35,3 +35,20 @@ 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
--- a/resources/test/fixtures/FBT.py
+++ b/resources/test/fixtures/FBT.py
@@ -0,0 +1,42 @@
+def function(
+    posonly_nohint,
+    posonly_nonboolhint: int,
+    posonly_boolhint: bool,
+    posonly_boolstrhint: "bool",
+    /,
+    offset,
+    posorkw_nonvalued_nohint,
+    posorkw_nonvalued_nonboolhint: int,
+    posorkw_nonvalued_boolhint: bool,
+    posorkw_nonvalued_boolstrhint: "bool",
+    posorkw_boolvalued_nohint=True,
+    posorkw_boolvalued_nonboolhint: int = True,
+    posorkw_boolvalued_boolhint: bool = True,
+    posorkw_boolvalued_boolstrhint: "bool" = True,
+    posorkw_nonboolvalued_nohint=1,
+    posorkw_nonboolvalued_nonboolhint: int = 2,
+    posorkw_nonboolvalued_boolhint: bool = 3,
+    posorkw_nonboolvalued_boolstrhint: "bool" = 4,
+    *,
+    kwonly_nonvalued_nohint,
+    kwonly_nonvalued_nonboolhint: int,
+    kwonly_nonvalued_boolhint: bool,
+    kwonly_nonvalued_boolstrhint: "bool",
+    kwonly_boolvalued_nohint=True,
+    kwonly_boolvalued_nonboolhint: int = False,
+    kwonly_boolvalued_boolhint: bool = True,
+    kwonly_boolvalued_boolstrhint: "bool" = True,
+    kwonly_nonboolvalued_nohint=5,
+    kwonly_nonboolvalued_nonboolhint: int = 1,
+    kwonly_nonboolvalued_boolhint: bool = 1,
+    kwonly_nonboolvalued_boolstrhint: "bool" = 1,
+    **kw,
+):
+    ...
+
+
+def used(do):
+    return do
+
+used("a", True)
+used(do=True)
--- a/resources/test/fixtures/I252.py
+++ b/resources/test/fixtures/I252.py
@@ -0,0 +1,12 @@
+from . import sibling
+from .sibling import example
+
+from .. import parent
+from ..parent import example
+
+from ... import grandparent
+from ...grandparent import example
+
+import other
+import other.example
+from other import example
--- 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/N806.py
+++ b/resources/test/fixtures/N806.py
@@ -1,8 +1,12 @@
 import collections
 from collections import namedtuple

+GLOBAL: str = "foo"
+

 def f():
+    global GLOBAL
+    GLOBAL = "bar"
    lower = 0
    Camel = 0
    CONSTANT = 0
--- 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/N818.py
+++ b/resources/test/fixtures/N818.py
@@ -8,3 +8,11 @@ class AnotherError(Exception):

 class C(Exception):
    pass
+
+
+class D(BaseException):
+    pass
+
+
+class E(AnotherError):
+    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/U002.py
+++ b/resources/test/fixtures/U002.py
@@ -1,15 +0,0 @@
-from os.path import abspath
-
-x = abspath(__file__)
-
-
-import os
-
-
-y = os.path.abspath(__file__)
-
-
-from os import path
-
-
-z = path.abspath(__file__)
--- 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/U013.py
+++ b/resources/test/fixtures/U013.py
@@ -0,0 +1,33 @@
+from typing import TypedDict, NotRequired, Literal
+import typing
+
+# dict literal
+MyType1 = TypedDict("MyType1", {"a": int, "b": str})
+
+# dict call
+MyType2 = TypedDict("MyType2", dict(a=int, b=str))
+
+# kwargs
+MyType3 = TypedDict("MyType3", a=int, b=str)
+
+# Empty TypedDict
+MyType4 = TypedDict("MyType4")
+
+# Literal values
+MyType5 = TypedDict("MyType5", {"a": "hello"})
+MyType6 = TypedDict("MyType6", a="hello")
+
+# NotRequired
+MyType7 = TypedDict("MyType7", {"a": NotRequired[dict]})
+
+# total
+MyType8 = TypedDict("MyType8", {"x": int, "y": int}, total=False)
+
+# invalid identifiers
+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/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/pyproject.toml
+++ b/resources/test/fixtures/pyproject.toml
@@ -16,6 +16,9 @@ multiline-quotes = "double"
 docstring-quotes = "double"
 avoid-escape = true

+[tool.ruff.mccabe]
+max-complexity = 10
+
 [tool.ruff.pep8-naming]
 ignore-names = [
  "setUp",
@@ -38,3 +41,6 @@ classmethod-decorators = [
 staticmethod-decorators = [
  "staticmethod",
 ]
+
+[tool.ruff.flake8-tidy-imports]
+ban-relative-imports = "parents"
--- a/ruff/main.py
+++ b/ruff/main.py
@@ -4,4 +4,4 @@ import sysconfig

 if __name__ == "__main__":
    ruff = os.path.join(sysconfig.get_path("scripts"), "ruff")
-    os.spawnv(os.P_WAIT, ruff, [ruff, *sys.argv[1:]])
+    sys.exit(os.spawnv(os.P_WAIT, ruff, [ruff, *sys.argv[1:]]))
--- a/ruff_dev/Cargo.toml
+++ b/ruff_dev/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff_dev"
-version = "0.0.124"
+version = "0.0.133"
 edition = "2021"

 [dependencies]
@@ -10,8 +10,8 @@ codegen = { version = "0.2.0" }
 itertools = { version = "0.10.5" }
 libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "a13ec97dd4eb925bde4d426c6e422582793b260c" }
 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/src/ast/helpers.rs
+++ b/src/ast/helpers.rs
@@ -1,7 +1,10 @@
-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::{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>) {
@@ -42,7 +45,7 @@ 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 +79,8 @@ 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 +97,7 @@ 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();
@@ -261,10 +264,38 @@ 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 +307,8 @@ mod tests {
            &expr,
            "",
            "list",
-            &FnvHashMap::default(),
-            &FnvHashMap::default(),
+            &FxHashMap::default(),
+            &FxHashMap::default(),
        ));
        Ok(())
    }
@@ -289,8 +320,8 @@ mod tests {
            &expr,
            "typing.re",
            "Match",
-            &FnvHashMap::default(),
-            &FnvHashMap::default(),
+            &FxHashMap::default(),
+            &FxHashMap::default(),
        ));
        Ok(())
    }
@@ -302,16 +333,16 @@ 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 +354,8 @@ 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 +367,8 @@ 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 +380,8 @@ 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 +389,8 @@ 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 +398,8 @@ 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 +411,8 @@ 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 +424,8 @@ 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 +437,8 @@ 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/types.rs
+++ b/src/ast/types.rs
@@ -1,6 +1,6 @@
 use std::sync::atomic::{AtomicUsize, Ordering};

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

@@ -19,9 +19,7 @@ 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 +52,7 @@ 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 +61,7 @@ impl<'a> Scope<'a> {
            id: id(),
            kind,
            import_starred: false,
-            values: FnvHashMap::default(),
+            values: FxHashMap::default(),
        }
    }
 }
@@ -79,8 +77,11 @@ pub enum BindingKind {
    Annotation,
    Argument,
    Assignment,
+    // TODO(charlie): This seems to be a catch-all.
    Binding,
    LoopVar,
+    Global,
+    Nonlocal,
    Builtin,
    ClassDefinition,
    Definition,
--- 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()
--- a/src/autofix/mod.rs
+++ b/src/autofix/mod.rs
@@ -50,4 +50,15 @@ impl Fix {
            applied: false,
        }
    }
+
+    pub fn dummy(location: Location) -> Self {
+        Self {
+            patch: Patch {
+                content: "".to_string(),
+                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;
@@ -82,28 +74,59 @@ 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 +138,8 @@ 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 +149,12 @@ 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,
@@ -146,18 +167,15 @@ 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(),
-        cache_key(path, settings, autofix),
-        bincode::serialize(&check_result).unwrap(),
+    if let Err(e) = write_sync(
+        &cache_key(path, settings, autofix),
+        &bincode::serialize(&check_result).unwrap(),
    ) {
        error!("Failed to write to cache: {e:?}")
    }
--- a/src/check_ast.rs
+++ b/src/check_ast.rs
@@ -4,9 +4,9 @@ use std::collections::BTreeMap;
 use std::ops::Deref;
 use std::path::Path;

-use fnv::{FnvHashMap, FnvHashSet};
 use itertools::Itertools;
 use log::error;
+use rustc_hash::{FxHashMap, FxHashSet};
 use rustpython_parser::ast::{
    Arg, Arguments, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind,
    KeywordData, Operator, Stmt, StmtKind, Suite,
@@ -19,8 +19,7 @@ use crate::ast::helpers::{
 use crate::ast::operations::extract_all_names;
 use crate::ast::relocate::relocate_expr;
 use crate::ast::types::{
-    Binding, BindingContext, BindingKind, ClassScope, FunctionScope, ImportKind, Range, Scope,
-    ScopeKind,
+    Binding, BindingContext, BindingKind, ClassScope, ImportKind, Range, Scope, ScopeKind,
 };
 use crate::ast::visitor::{walk_excepthandler, Visitor};
 use crate::ast::{helpers, operations, visitor};
@@ -36,8 +35,9 @@ use crate::settings::Settings;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::visibility::{module_visibility, transition_scope, Modifier, Visibility, VisibleScope};
 use crate::{
-    docstrings, flake8_2020, flake8_annotations, flake8_bandit, flake8_bugbear, flake8_builtins,
-    flake8_comprehensions, flake8_print, pep8_naming, pycodestyle, pydocstyle, pyflakes, pyupgrade,
+    docstrings, flake8_2020, flake8_annotations, flake8_bandit, flake8_blind_except,
+    flake8_boolean_trap, flake8_bugbear, flake8_builtins, flake8_comprehensions, flake8_print,
+    flake8_tidy_imports, mccabe, pep8_naming, pycodestyle, pydocstyle, pyflakes, pyupgrade, rules,
 };

 const GLOBAL_SCOPE_INDEX: usize = 0;
@@ -54,10 +54,10 @@ pub struct Checker<'a> {
    definitions: Vec<(Definition<'a>, Visibility)>,
    // Edit tracking.
    // TODO(charlie): Instead of exposing deletions, wrap in a public API.
-    pub(crate) deletions: FnvHashSet<usize>,
+    pub(crate) deletions: FxHashSet<usize>,
    // Import tracking.
-    pub(crate) from_imports: FnvHashMap<&'a str, FnvHashSet<&'a str>>,
-    pub(crate) import_aliases: FnvHashMap<&'a str, &'a str>,
+    pub(crate) from_imports: FxHashMap<&'a str, FxHashSet<&'a str>>,
+    pub(crate) import_aliases: FxHashMap<&'a str, &'a str>,
    // Retain all scopes and parent nodes, along with a stack of indexes to track which are active
    // at various points in time.
    pub(crate) parents: Vec<&'a Stmt>,
@@ -74,6 +74,7 @@ pub struct Checker<'a> {
    visible_scope: VisibleScope,
    in_f_string: Option<Range>,
    in_annotation: bool,
+    in_deferred_string_annotation: bool,
    in_literal: bool,
    in_subscript: bool,
    seen_import_boundary: bool,
@@ -116,6 +117,7 @@ impl<'a> Checker<'a> {
            },
            in_f_string: Default::default(),
            in_annotation: Default::default(),
+            in_deferred_string_annotation: Default::default(),
            in_literal: Default::default(),
            in_subscript: Default::default(),
            seen_import_boundary: Default::default(),
@@ -152,10 +154,10 @@ impl<'a> Checker<'a> {

    /// Return `true` if a patch should be generated under the given autofix
    /// `Mode`.
-    pub fn patch(&self) -> bool {
+    pub fn patch(&self, code: &CheckCode) -> bool {
        // TODO(charlie): We can't fix errors in f-strings until RustPython adds
        // location data.
-        self.autofix.patch() && self.in_f_string.is_none()
+        self.autofix.patch() && self.in_f_string.is_none() && self.settings.fixable.contains(code)
    }

    /// Return `true` if the `Expr` is a reference to `typing.${target}`.
@@ -213,22 +215,72 @@ where

        // Pre-visit.
        match &stmt.node {
-            StmtKind::Global { names } | StmtKind::Nonlocal { names } => {
-                let global_scope_id = self.scopes[GLOBAL_SCOPE_INDEX].id;
-
-                let current_scope = self.current_scope();
-                let current_scope_id = current_scope.id;
-                if current_scope_id != global_scope_id {
+            StmtKind::Global { names } => {
+                let scope_index = *self.scope_stack.last().expect("No current scope found.");
+                if scope_index != GLOBAL_SCOPE_INDEX {
+                    let scope = &mut self.scopes[scope_index];
+                    let usage = Some((scope.id, Range::from_located(stmt)));
                    for name in names {
-                        for scope in self.scopes.iter_mut().skip(GLOBAL_SCOPE_INDEX + 1) {
-                            scope.values.insert(
-                                name,
-                                Binding {
-                                    kind: BindingKind::Assignment,
-                                    used: Some((global_scope_id, Range::from_located(stmt))),
-                                    range: Range::from_located(stmt),
-                                },
-                            );
+                        // Add a binding to the current scope.
+                        scope.values.insert(
+                            name,
+                            Binding {
+                                kind: BindingKind::Global,
+                                used: usage,
+                                range: Range::from_located(stmt),
+                            },
+                        );
+                    }
+
+                    // Mark the binding in the global scope as used.
+                    for name in names {
+                        if let Some(mut existing) = self.scopes[GLOBAL_SCOPE_INDEX]
+                            .values
+                            .get_mut(&name.as_str())
+                        {
+                            existing.used = usage;
+                        }
+                    }
+                }
+
+                if self.settings.enabled.contains(&CheckCode::E741) {
+                    let location = Range::from_located(stmt);
+                    self.add_checks(
+                        names
+                            .iter()
+                            .filter_map(|name| {
+                                pycodestyle::checks::ambiguous_variable_name(name, location)
+                            })
+                            .into_iter(),
+                    );
+                }
+            }
+            StmtKind::Nonlocal { names } => {
+                let scope_index = *self.scope_stack.last().expect("No current scope found.");
+                if scope_index != GLOBAL_SCOPE_INDEX {
+                    let scope = &mut self.scopes[scope_index];
+                    let usage = Some((scope.id, Range::from_located(stmt)));
+                    for name in names {
+                        // Add a binding to the current scope.
+                        scope.values.insert(
+                            name,
+                            Binding {
+                                kind: BindingKind::Global,
+                                used: usage,
+                                range: Range::from_located(stmt),
+                            },
+                        );
+                    }
+
+                    // Mark the binding in the defining scopes as used too. (Skip the global scope
+                    // and the current scope.)
+                    for name in names {
+                        for index in self.scope_stack.iter().skip(1).rev().skip(1) {
+                            if let Some(mut existing) =
+                                self.scopes[*index].values.get_mut(&name.as_str())
+                            {
+                                existing.used = usage;
+                            }
                        }
                    }
                }
@@ -352,6 +404,16 @@ where
                if self.settings.enabled.contains(&CheckCode::B019) {
                    flake8_bugbear::plugins::cached_instance_method(self, decorator_list);
                }
+                if self.settings.enabled.contains(&CheckCode::C901) {
+                    if let Some(check) = mccabe::checks::function_is_too_complex(
+                        stmt,
+                        name,
+                        body,
+                        self.settings.mccabe.max_complexity,
+                    ) {
+                        self.add_check(check);
+                    }
+                }

                if self.settings.enabled.contains(&CheckCode::S107) {
                    self.add_checks(
@@ -411,7 +473,7 @@ where
            }
            StmtKind::Return { .. } => {
                if self.settings.enabled.contains(&CheckCode::F706) {
-                    if let Some(index) = self.scope_stack.last().cloned() {
+                    if let Some(&index) = self.scope_stack.last() {
                        if matches!(
                            self.scopes[index].kind,
                            ScopeKind::Class(_) | ScopeKind::Module
@@ -627,7 +689,7 @@ where
                    if let Some(module) = module {
                        self.from_imports
                            .entry(module)
-                            .or_insert_with(FnvHashSet::default)
+                            .or_insert_with(FxHashSet::default)
                            .extend(
                                names
                                    .iter()
@@ -731,10 +793,8 @@ where
                            ));
                        }

-                        let scope = &mut self.scopes[*(self
-                            .scope_stack
-                            .last_mut()
-                            .expect("No current scope found."))];
+                        let scope = &mut self.scopes
+                            [*(self.scope_stack.last().expect("No current scope found."))];
                        scope.import_starred = true;
                    } else {
                        if let Some(asname) = &alias.node.asname {
@@ -782,6 +842,16 @@ where
                        )
                    }

+                    if self.settings.enabled.contains(&CheckCode::I252) {
+                        if let Some(check) = flake8_tidy_imports::checks::banned_relative_import(
+                            stmt,
+                            level.as_ref(),
+                            &self.settings.flake8_tidy_imports.ban_relative_imports,
+                        ) {
+                            self.add_check(check);
+                        }
+                    }
+
                    if let Some(asname) = &alias.node.asname {
                        if self.settings.enabled.contains(&CheckCode::N811) {
                            if let Some(check) =
@@ -906,15 +976,14 @@ where
                if self.settings.enabled.contains(&CheckCode::B013) {
                    flake8_bugbear::plugins::redundant_tuple_in_exception_handler(self, handlers);
                }
+                if self.settings.enabled.contains(&CheckCode::BLE001) {
+                    flake8_blind_except::plugins::blind_except(self, handlers);
+                }
            }
            StmtKind::Assign { targets, value, .. } => {
                if self.settings.enabled.contains(&CheckCode::E731) {
                    if let [target] = &targets[..] {
-                        if let Some(check) =
-                            pycodestyle::checks::do_not_assign_lambda(target, value, stmt)
-                        {
-                            self.add_check(check);
-                        }
+                        pycodestyle::plugins::do_not_assign_lambda(self, target, value, stmt)
                    }
                }
                if self.settings.enabled.contains(&CheckCode::U001) {
@@ -930,15 +999,21 @@ where
                        self.add_check(check);
                    }
                }
+                if self.settings.enabled.contains(&CheckCode::U013) {
+                    pyupgrade::plugins::convert_typed_dict_functional_to_class(
+                        self, stmt, targets, value,
+                    );
+                }
+                if self.settings.enabled.contains(&CheckCode::U014) {
+                    pyupgrade::plugins::convert_named_tuple_functional_to_class(
+                        self, stmt, targets, value,
+                    );
+                }
            }
            StmtKind::AnnAssign { target, value, .. } => {
                if self.settings.enabled.contains(&CheckCode::E731) {
                    if let Some(value) = value {
-                        if let Some(check) =
-                            pycodestyle::checks::do_not_assign_lambda(target, value, stmt)
-                        {
-                            self.add_check(check);
-                        }
+                        pycodestyle::plugins::do_not_assign_lambda(self, target, value, stmt);
                    }
                }
            }
@@ -1077,7 +1152,8 @@ where
        match &expr.node {
            ExprKind::Subscript { value, slice, .. } => {
                // Ex) typing.List[...]
-                if self.settings.enabled.contains(&CheckCode::U007)
+                if !self.in_deferred_string_annotation
+                    && self.settings.enabled.contains(&CheckCode::U007)
                    && self.settings.target_version >= PythonVersion::Py310
                {
                    pyupgrade::plugins::use_pep604_annotation(self, expr, value, slice);
@@ -1115,7 +1191,8 @@ where
                match ctx {
                    ExprContext::Load => {
                        // Ex) List[...]
-                        if self.settings.enabled.contains(&CheckCode::U006)
+                        if !self.in_deferred_string_annotation
+                            && self.settings.enabled.contains(&CheckCode::U006)
                            && self.settings.target_version >= PythonVersion::Py39
                            && typing::is_pep585_builtin(
                                expr,
@@ -1233,7 +1310,7 @@ where
                        args,
                        keywords,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C400),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1247,7 +1324,7 @@ where
                        args,
                        keywords,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C401),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1261,7 +1338,7 @@ where
                        args,
                        keywords,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C402),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1276,7 +1353,7 @@ where
                            args,
                            keywords,
                            self.locator,
-                            self.patch(),
+                            self.patch(&CheckCode::C403),
                            Range::from_located(expr),
                        )
                    {
@@ -1292,7 +1369,7 @@ where
                            args,
                            keywords,
                            self.locator,
-                            self.patch(),
+                            self.patch(&CheckCode::C404),
                            Range::from_located(expr),
                        )
                    {
@@ -1307,7 +1384,7 @@ where
                        args,
                        keywords,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C405),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1321,7 +1398,7 @@ where
                        args,
                        keywords,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C406),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1335,7 +1412,7 @@ where
                        args,
                        keywords,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C408),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1349,7 +1426,7 @@ where
                            func,
                            args,
                            self.locator,
-                            self.patch(),
+                            self.patch(&CheckCode::C409),
                            Range::from_located(expr),
                        )
                    {
@@ -1364,7 +1441,7 @@ where
                            func,
                            args,
                            self.locator,
-                            self.patch(),
+                            self.patch(&CheckCode::C410),
                            Range::from_located(expr),
                        )
                    {
@@ -1378,7 +1455,7 @@ where
                        func,
                        args,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C411),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1392,7 +1469,7 @@ where
                            func,
                            args,
                            self.locator,
-                            self.patch(),
+                            self.patch(&CheckCode::C413),
                            Range::from_located(expr),
                        )
                    {
@@ -1435,30 +1512,30 @@ where
                }

                // pyupgrade
-                if self.settings.enabled.contains(&CheckCode::U002)
-                    && self.settings.target_version >= PythonVersion::Py310
-                {
-                    pyupgrade::plugins::unnecessary_abspath(self, expr, func, args);
-                }
-
                if self.settings.enabled.contains(&CheckCode::U003) {
                    pyupgrade::plugins::type_of_primitive(self, expr, func, args);
                }

+                // flake8-boolean-trap
+                if self.settings.enabled.contains(&CheckCode::FBT003) {
+                    flake8_boolean_trap::plugins::check_boolean_positional_value_in_function_call(
+                        self, args,
+                    );
+                }
                if let ExprKind::Name { id, ctx } = &func.node {
                    if id == "locals" && matches!(ctx, ExprContext::Load) {
-                        let scope = &mut self.scopes[*(self
-                            .scope_stack
-                            .last_mut()
-                            .expect("No current scope found."))];
-                        if matches!(
-                            scope.kind,
-                            ScopeKind::Function(FunctionScope { uses_locals: false })
-                        ) {
-                            scope.kind = ScopeKind::Function(FunctionScope { uses_locals: true });
+                        let scope = &mut self.scopes
+                            [*(self.scope_stack.last().expect("No current scope found."))];
+                        if let ScopeKind::Function(inner) = &mut scope.kind {
+                            inner.uses_locals = true;
                        }
                    }
                }
+
+                // Ruff
+                if self.settings.enabled.contains(&CheckCode::RUF101) {
+                    rules::plugins::convert_exit_to_sys_exit(self, func);
+                }
            }
            ExprKind::Dict { keys, .. } => {
                let check_repeated_literals = self.settings.enabled.contains(&CheckCode::F601);
@@ -1513,9 +1590,13 @@ where
                let check_not_in = self.settings.enabled.contains(&CheckCode::E713);
                let check_not_is = self.settings.enabled.contains(&CheckCode::E714);
                if check_not_in || check_not_is {
-                    self.add_checks(
-                        pycodestyle::checks::not_tests(op, operand, check_not_in, check_not_is)
-                            .into_iter(),
+                    pycodestyle::plugins::not_tests(
+                        self,
+                        expr,
+                        op,
+                        operand,
+                        check_not_in,
+                        check_not_is,
                    );
                }

@@ -1531,16 +1612,15 @@ where
                let check_none_comparisons = self.settings.enabled.contains(&CheckCode::E711);
                let check_true_false_comparisons = self.settings.enabled.contains(&CheckCode::E712);
                if check_none_comparisons || check_true_false_comparisons {
-                    self.add_checks(
-                        pycodestyle::checks::literal_comparisons(
-                            left,
-                            ops,
-                            comparators,
-                            check_none_comparisons,
-                            check_true_false_comparisons,
-                        )
-                        .into_iter(),
-                    );
+                    pycodestyle::plugins::literal_comparisons(
+                        self,
+                        expr,
+                        left,
+                        ops,
+                        comparators,
+                        check_none_comparisons,
+                        check_true_false_comparisons,
+                    )
                }

                if self.settings.enabled.contains(&CheckCode::F632) {
@@ -1646,7 +1726,7 @@ where
                        elt,
                        generators,
                        self.locator,
-                        self.patch(),
+                        self.patch(&CheckCode::C416),
                        Range::from_located(expr),
                    ) {
                        self.add_check(check);
@@ -1940,6 +2020,16 @@ where
            flake8_bugbear::plugins::function_call_argument_default(self, arguments)
        }

+        // flake8-boolean-trap
+        if self.settings.enabled.contains(&CheckCode::FBT001) {
+            flake8_boolean_trap::plugins::check_positional_boolean_in_def(self, arguments);
+        }
+        if self.settings.enabled.contains(&CheckCode::FBT002) {
+            flake8_boolean_trap::plugins::check_boolean_default_value_in_function_definition(
+                self, arguments,
+            );
+        }
+
        // Bind, but intentionally avoid walking default expressions, as we handle them
        // upstream.
        for arg in &arguments.posonlyargs {
@@ -2088,6 +2178,10 @@ impl<'a> Checker<'a> {
        &self.scopes[*(self.scope_stack.last().expect("No current scope found."))]
    }

+    pub fn current_scopes(&self) -> impl Iterator<Item = &Scope> {
+        self.scope_stack.iter().rev().map(|s| &self.scopes[*s])
+    }
+
    pub fn current_parent(&self) -> &'a Stmt {
        self.parents[*(self.parent_stack.last().expect("No parent found."))]
    }
@@ -2107,7 +2201,7 @@ impl<'a> Checker<'a> {
        'b: 'a,
    {
        if self.settings.enabled.contains(&CheckCode::F402) {
-            let scope = &self.scopes[*(self.scope_stack.last().expect("No current scope found."))];
+            let scope = self.current_scope();
            if let Some(existing) = scope.values.get(&name) {
                if matches!(binding.kind, BindingKind::LoopVar)
                    && matches!(
@@ -2132,7 +2226,7 @@ impl<'a> Checker<'a> {

        // TODO(charlie): Don't treat annotations as assignments if there is an existing
        // value.
-        let scope = &self.scopes[*(self.scope_stack.last().expect("No current scope found."))];
+        let scope = self.current_scope();
        let binding = match scope.values.get(&name) {
            None => binding,
            Some(existing) => Binding {
@@ -2148,8 +2242,7 @@ impl<'a> Checker<'a> {

    fn handle_node_load(&mut self, expr: &Expr) {
        if let ExprKind::Name { id, .. } = &expr.node {
-            let scope_id =
-                self.scopes[*(self.scope_stack.last().expect("No current scope found."))].id;
+            let scope_id = self.current_scope().id;

            let mut first_iter = true;
            let mut in_generator = false;
@@ -2239,7 +2332,16 @@ impl<'a> Checker<'a> {

        if self.settings.enabled.contains(&CheckCode::N806) {
            if matches!(self.current_scope().kind, ScopeKind::Function(..)) {
-                pep8_naming::plugins::non_lowercase_variable_in_function(self, expr, parent, id)
+                // Ignore globals.
+                if !self
+                    .current_scope()
+                    .values
+                    .get(id)
+                    .map(|binding| matches!(binding.kind, BindingKind::Global))
+                    .unwrap_or(false)
+                {
+                    pep8_naming::plugins::non_lowercase_variable_in_function(self, expr, parent, id)
+                }
            }
        }

@@ -2295,7 +2397,7 @@ impl<'a> Checker<'a> {
            return;
        }

-        let current = &self.scopes[*(self.scope_stack.last().expect("No current scope found."))];
+        let current = self.current_scope();
        if id == "__all__"
            && matches!(current.kind, ScopeKind::Module)
            && matches!(
@@ -2404,9 +2506,11 @@ impl<'a> Checker<'a> {
            }
        }
        for (expr, (scopes, parents)) in allocator.iter().zip(stacks) {
+            self.in_deferred_string_annotation = true;
            self.scope_stack = scopes;
            self.parent_stack = parents;
            self.visit_expr(expr);
+            self.in_deferred_string_annotation = false;
        }
    }

@@ -2588,7 +2692,7 @@ impl<'a> Checker<'a> {
                    let child = self.parents[defined_by];
                    let parent = defined_in.map(|defined_in| self.parents[defined_in]);

-                    let fix = if self.patch() {
+                    let fix = if self.patch(&CheckCode::F401) {
                        let deleted: Vec<&Stmt> = self
                            .deletions
                            .iter()
--- a/src/check_lines.rs
+++ b/src/check_lines.rs
@@ -73,7 +73,7 @@ pub fn check_lines(
                            end_location: Location::new(lineno + 1, line_length + 1),
                        },
                    );
-                    if autofix.patch() {
+                    if autofix.patch() && settings.fixable.contains(check.kind.code()) {
                        check.amend(Fix::deletion(
                            Location::new(lineno + 1, 0),
                            Location::new(lineno + 1, line_length + 1),
@@ -103,7 +103,7 @@ pub fn check_lines(
                    matches.push(check.kind.code().as_ref());
                    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);
@@ -133,7 +133,7 @@ pub fn check_lines(
                    (Directive::All(..), matches) => {
                        matches.push(check.kind.code().as_ref());
                    }
-                    (Directive::Codes(_, _, codes), matches) => {
+                    (Directive::Codes(.., codes), matches) => {
                        if codes.contains(&check.kind.code().as_ref()) {
                            matches.push(check.kind.code().as_ref());
                        } else {
@@ -170,7 +170,7 @@ pub fn check_lines(
                (Directive::All(..), matches) => {
                    matches.push(check.kind.code().as_ref());
                }
-                (Directive::Codes(_, _, codes), matches) => {
+                (Directive::Codes(.., codes), matches) => {
                    if codes.contains(&check.kind.code().as_ref()) {
                        matches.push(check.kind.code().as_ref());
                    } else {
@@ -186,7 +186,7 @@ pub fn check_lines(
    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),
@@ -195,16 +195,16 @@ pub fn check_lines(
                                end_location: Location::new(row + 1, end),
                            },
                        );
-                        if autofix.patch() {
+                        if autofix.patch() && 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 {
@@ -223,15 +223,15 @@ pub fn check_lines(
                                end_location: Location::new(row + 1, end),
                            },
                        );
-                        if autofix.patch() {
+                        if autofix.patch() && 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()),
                                ));
--- a/src/check_tokens.rs
+++ b/src/check_tokens.rs
@@ -36,7 +36,7 @@ pub fn check_tokens(
        // RUF001, RUF002, RUF003
        if enforce_ambiguous_unicode_character {
            if matches!(tok, Tok::String { .. } | Tok::Comment) {
-                for check in rules::checks::ambiguous_unicode_character(
+                checks.extend(rules::checks::ambiguous_unicode_character(
                    locator,
                    start,
                    end,
@@ -49,12 +49,9 @@ pub fn check_tokens(
                    } else {
                        Context::Comment
                    },
-                    autofix.patch(),
-                ) {
-                    if settings.enabled.contains(check.kind.code()) {
-                        checks.push(check);
-                    }
-                }
+                    settings,
+                    autofix,
+                ));
            }
        }

--- a/src/checks.rs
+++ b/src/checks.rs
@@ -8,6 +8,7 @@ use strum_macros::{AsRefStr, EnumIter, EnumString};
 use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::flake8_quotes::settings::Quote;
+use crate::flake8_tidy_imports::settings::Strictness;
 use crate::pyupgrade::types::Primitive;

 #[derive(
@@ -102,6 +103,8 @@ pub enum CheckCode {
    B025,
    B026,
    B027,
+    // flake8-blind-except
+    BLE001,
    // flake8-comprehensions
    C400,
    C401,
@@ -119,6 +122,10 @@ pub enum CheckCode {
    C415,
    C416,
    C417,
+    // mccabe
+    C901,
+    // flake8-tidy-imports
+    I252,
    // flake8-print
    T201,
    T203,
@@ -152,7 +159,6 @@ pub enum CheckCode {
    YTT303,
    // pyupgrade
    U001,
-    U002,
    U003,
    U004,
    U005,
@@ -163,6 +169,8 @@ pub enum CheckCode {
    U010,
    U011,
    U012,
+    U013,
+    U014,
    // pydocstyle
    D100,
    D101,
@@ -233,10 +241,15 @@ pub enum CheckCode {
    S105,
    S106,
    S107,
+    // flake8-boolean-trap
+    FBT001,
+    FBT002,
+    FBT003,
    // Ruff
    RUF001,
    RUF002,
    RUF003,
+    RUF101,
    // Meta
    M001,
 }
@@ -251,12 +264,16 @@ pub enum CheckCategory {
    PEP8Naming,
    Flake8Bandit,
    Flake8Comprehensions,
+    Flake8BooleanTrap,
    Flake8Bugbear,
    Flake8Builtins,
+    Flake8TidyImports,
    Flake8Print,
    Flake8Quotes,
    Flake8Annotations,
    Flake82020,
+    Flake8BlindExcept,
+    McCabe,
    Ruff,
    Meta,
 }
@@ -268,16 +285,20 @@ impl CheckCategory {
            CheckCategory::Pyflakes => "Pyflakes",
            CheckCategory::Isort => "isort",
            CheckCategory::Flake8Bandit => "flake8-bandit",
+            CheckCategory::Flake8BooleanTrap => "flake8-boolean-trap",
            CheckCategory::Flake8Builtins => "flake8-builtins",
            CheckCategory::Flake8Bugbear => "flake8-bugbear",
            CheckCategory::Flake8Comprehensions => "flake8-comprehensions",
+            CheckCategory::Flake8TidyImports => "flake8-tidy-imports",
            CheckCategory::Flake8Print => "flake8-print",
            CheckCategory::Flake8Quotes => "flake8-quotes",
            CheckCategory::Flake8Annotations => "flake8-annotations",
            CheckCategory::Flake82020 => "flake8-2020",
+            CheckCategory::Flake8BlindExcept => "flake8-blind-except",
            CheckCategory::Pyupgrade => "pyupgrade",
            CheckCategory::Pydocstyle => "pydocstyle",
            CheckCategory::PEP8Naming => "pep8-naming",
+            CheckCategory::McCabe => "mccabe",
            CheckCategory::Ruff => "Ruff-specific rules",
            CheckCategory::Meta => "Meta rules",
        }
@@ -297,6 +318,9 @@ impl CheckCategory {
            CheckCategory::Flake8Comprehensions => {
                Some("https://pypi.org/project/flake8-comprehensions/3.10.1/")
            }
+            CheckCategory::Flake8TidyImports => {
+                Some("https://pypi.org/project/flake8-tidy-imports/4.8.0/")
+            }
            CheckCategory::Flake8Print => Some("https://pypi.org/project/flake8-print/5.0.0/"),
            CheckCategory::Flake8Quotes => Some("https://pypi.org/project/flake8-quotes/3.3.1/"),
            CheckCategory::Flake8Annotations => {
@@ -307,6 +331,13 @@ impl CheckCategory {
            CheckCategory::Pydocstyle => Some("https://pypi.org/project/pydocstyle/6.1.1/"),
            CheckCategory::PEP8Naming => Some("https://pypi.org/project/pep8-naming/0.13.2/"),
            CheckCategory::Flake8Bandit => Some("https://pypi.org/project/flake8-bandit/4.1.1/"),
+            CheckCategory::Flake8BlindExcept => {
+                Some("https://pypi.org/project/flake8-blind-except/0.2.1/")
+            }
+            CheckCategory::McCabe => Some("https://pypi.org/project/mccabe/0.7.0/"),
+            CheckCategory::Flake8BooleanTrap => {
+                Some("https://pypi.org/project/flake8-boolean-trap/0.1.0/")
+            }
            CheckCategory::Ruff => None,
            CheckCategory::Meta => None,
        }
@@ -381,6 +412,8 @@ pub enum CheckKind {
    BuiltinVariableShadowing(String),
    BuiltinArgumentShadowing(String),
    BuiltinAttributeShadowing(String),
+    // flake8-blind-except
+    BlindExcept,
    // flake8-bugbear
    UnaryPrefixIncrement,
    AssignmentToOsEnviron,
@@ -424,6 +457,8 @@ pub enum CheckKind {
    UnnecessarySubscriptReversal(String),
    UnnecessaryComprehension(String),
    UnnecessaryMap(String),
+    // flake8-tidy-imports
+    BannedRelativeImport(Strictness),
    // flake8-print
    PrintFound,
    PPrintFound,
@@ -457,7 +492,6 @@ pub enum CheckKind {
    SysVersionSlice1Referenced,
    // pyupgrade
    TypeOfPrimitive(Primitive),
-    UnnecessaryAbspath,
    UselessMetaclassType,
    DeprecatedUnittestAlias(String, String),
    UselessObjectInheritance(String),
@@ -468,6 +502,8 @@ pub enum CheckKind {
    UnnecessaryFutureImport(Vec<String>),
    UnnecessaryLRUCacheParams,
    UnnecessaryEncodeUTF8,
+    ConvertTypedDictFunctionalToClass(String),
+    ConvertNamedTupleFunctionalToClass(String),
    // pydocstyle
    BlankLineAfterLastSection(String),
    BlankLineAfterSection(String),
@@ -538,10 +574,17 @@ pub enum CheckKind {
    HardcodedPasswordString(String),
    HardcodedPasswordFuncArg(String),
    HardcodedPasswordDefault(String),
+    // mccabe
+    FunctionIsTooComplex(String, usize),
+    // flake8-boolean-trap
+    BooleanPositionalArgInFunctionDefinition,
+    BooleanDefaultValueInFunctionDefinition,
+    BooleanPositionalValueInFunctionCall,
    // Ruff
    AmbiguousUnicodeCharacterString(char, char),
    AmbiguousUnicodeCharacterDocstring(char, char),
    AmbiguousUnicodeCharacterComment(char, char),
+    ConvertExitToSysExit,
    // Meta
    UnusedNOQA(Option<Vec<String>>),
 }
@@ -684,6 +727,8 @@ impl CheckCode {
            }
            CheckCode::C416 => CheckKind::UnnecessaryComprehension("(list|set)".to_string()),
            CheckCode::C417 => CheckKind::UnnecessaryMap("(list|set|dict)".to_string()),
+            // flake8-tidy-imports
+            CheckCode::I252 => CheckKind::BannedRelativeImport(Strictness::All),
            // flake8-print
            CheckCode::T201 => CheckKind::PrintFound,
            CheckCode::T203 => CheckKind::PPrintFound,
@@ -715,9 +760,10 @@ impl CheckCode {
            CheckCode::YTT301 => CheckKind::SysVersion0Referenced,
            CheckCode::YTT302 => CheckKind::SysVersionCmpStr10,
            CheckCode::YTT303 => CheckKind::SysVersionSlice1Referenced,
+            // flake8-blind-except
+            CheckCode::BLE001 => CheckKind::BlindExcept,
            // pyupgrade
            CheckCode::U001 => CheckKind::UselessMetaclassType,
-            CheckCode::U002 => CheckKind::UnnecessaryAbspath,
            CheckCode::U003 => CheckKind::TypeOfPrimitive(Primitive::Str),
            CheckCode::U004 => CheckKind::UselessObjectInheritance("...".to_string()),
            CheckCode::U005 => CheckKind::DeprecatedUnittestAlias(
@@ -731,6 +777,8 @@ impl CheckCode {
            CheckCode::U010 => CheckKind::UnnecessaryFutureImport(vec!["...".to_string()]),
            CheckCode::U011 => CheckKind::UnnecessaryLRUCacheParams,
            CheckCode::U012 => CheckKind::UnnecessaryEncodeUTF8,
+            CheckCode::U013 => CheckKind::ConvertTypedDictFunctionalToClass("...".to_string()),
+            CheckCode::U014 => CheckKind::ConvertNamedTupleFunctionalToClass("...".to_string()),
            // pydocstyle
            CheckCode::D100 => CheckKind::PublicModule,
            CheckCode::D101 => CheckKind::PublicClass,
@@ -817,10 +865,16 @@ impl CheckCode {
            CheckCode::S105 => CheckKind::HardcodedPasswordString("...".to_string()),
            CheckCode::S106 => CheckKind::HardcodedPasswordFuncArg("...".to_string()),
            CheckCode::S107 => CheckKind::HardcodedPasswordDefault("...".to_string()),
+            CheckCode::C901 => CheckKind::FunctionIsTooComplex("...".to_string(), 10),
+            // flake8-boolean-trap
+            CheckCode::FBT001 => CheckKind::BooleanPositionalArgInFunctionDefinition,
+            CheckCode::FBT002 => CheckKind::BooleanDefaultValueInFunctionDefinition,
+            CheckCode::FBT003 => CheckKind::BooleanPositionalValueInFunctionCall,
            // Ruff
            CheckCode::RUF001 => CheckKind::AmbiguousUnicodeCharacterString('𝐁', 'B'),
            CheckCode::RUF002 => CheckKind::AmbiguousUnicodeCharacterDocstring('𝐁', 'B'),
            CheckCode::RUF003 => CheckKind::AmbiguousUnicodeCharacterComment('𝐁', 'B'),
+            CheckCode::RUF101 => CheckKind::ConvertExitToSysExit,
            // Meta
            CheckCode::M001 => CheckKind::UnusedNOQA(None),
        }
@@ -900,6 +954,7 @@ impl CheckCode {
            CheckCode::B025 => CheckCategory::Flake8Bugbear,
            CheckCode::B026 => CheckCategory::Flake8Bugbear,
            CheckCode::B027 => CheckCategory::Flake8Bugbear,
+            CheckCode::BLE001 => CheckCategory::Flake8BlindExcept,
            CheckCode::C400 => CheckCategory::Flake8Comprehensions,
            CheckCode::C401 => CheckCategory::Flake8Comprehensions,
            CheckCode::C402 => CheckCategory::Flake8Comprehensions,
@@ -916,6 +971,7 @@ impl CheckCode {
            CheckCode::C415 => CheckCategory::Flake8Comprehensions,
            CheckCode::C416 => CheckCategory::Flake8Comprehensions,
            CheckCode::C417 => CheckCategory::Flake8Comprehensions,
+            CheckCode::I252 => CheckCategory::Flake8TidyImports,
            CheckCode::T201 => CheckCategory::Flake8Print,
            CheckCode::T203 => CheckCategory::Flake8Print,
            CheckCode::Q000 => CheckCategory::Flake8Quotes,
@@ -944,7 +1000,6 @@ impl CheckCode {
            CheckCode::YTT302 => CheckCategory::Flake82020,
            CheckCode::YTT303 => CheckCategory::Flake82020,
            CheckCode::U001 => CheckCategory::Pyupgrade,
-            CheckCode::U002 => CheckCategory::Pyupgrade,
            CheckCode::U003 => CheckCategory::Pyupgrade,
            CheckCode::U004 => CheckCategory::Pyupgrade,
            CheckCode::U005 => CheckCategory::Pyupgrade,
@@ -955,6 +1010,8 @@ impl CheckCode {
            CheckCode::U010 => CheckCategory::Pyupgrade,
            CheckCode::U011 => CheckCategory::Pyupgrade,
            CheckCode::U012 => CheckCategory::Pyupgrade,
+            CheckCode::U013 => CheckCategory::Pyupgrade,
+            CheckCode::U014 => CheckCategory::Pyupgrade,
            CheckCode::D100 => CheckCategory::Pydocstyle,
            CheckCode::D101 => CheckCategory::Pydocstyle,
            CheckCode::D102 => CheckCategory::Pydocstyle,
@@ -1021,9 +1078,14 @@ impl CheckCode {
            CheckCode::S105 => CheckCategory::Flake8Bandit,
            CheckCode::S106 => CheckCategory::Flake8Bandit,
            CheckCode::S107 => CheckCategory::Flake8Bandit,
+            CheckCode::C901 => CheckCategory::McCabe,
+            CheckCode::FBT001 => CheckCategory::Flake8BooleanTrap,
+            CheckCode::FBT002 => CheckCategory::Flake8BooleanTrap,
+            CheckCode::FBT003 => CheckCategory::Flake8BooleanTrap,
            CheckCode::RUF001 => CheckCategory::Ruff,
            CheckCode::RUF002 => CheckCategory::Ruff,
            CheckCode::RUF003 => CheckCategory::Ruff,
+            CheckCode::RUF101 => CheckCategory::Ruff,
            CheckCode::M001 => CheckCategory::Meta,
        }
    }
@@ -1109,6 +1171,8 @@ impl CheckKind {
            CheckKind::DuplicateTryBlockException(_) => &CheckCode::B025,
            CheckKind::StarArgUnpackingAfterKeywordArg => &CheckCode::B026,
            CheckKind::EmptyMethodWithoutAbstractDecorator(_) => &CheckCode::B027,
+            // flake8-blind-except
+            CheckKind::BlindExcept => &CheckCode::BLE001,
            // flake8-comprehensions
            CheckKind::UnnecessaryGeneratorList => &CheckCode::C400,
            CheckKind::UnnecessaryGeneratorSet => &CheckCode::C401,
@@ -1126,6 +1190,8 @@ impl CheckKind {
            CheckKind::UnnecessarySubscriptReversal(_) => &CheckCode::C415,
            CheckKind::UnnecessaryComprehension(..) => &CheckCode::C416,
            CheckKind::UnnecessaryMap(_) => &CheckCode::C417,
+            // flake8-tidy-imports
+            CheckKind::BannedRelativeImport(_) => &CheckCode::I252,
            // flake8-print
            CheckKind::PrintFound => &CheckCode::T201,
            CheckKind::PPrintFound => &CheckCode::T203,
@@ -1159,7 +1225,6 @@ impl CheckKind {
            CheckKind::SysVersionSlice1Referenced => &CheckCode::YTT303,
            // pyupgrade
            CheckKind::TypeOfPrimitive(_) => &CheckCode::U003,
-            CheckKind::UnnecessaryAbspath => &CheckCode::U002,
            CheckKind::UselessMetaclassType => &CheckCode::U001,
            CheckKind::DeprecatedUnittestAlias(..) => &CheckCode::U005,
            CheckKind::UsePEP585Annotation(_) => &CheckCode::U006,
@@ -1170,6 +1235,8 @@ impl CheckKind {
            CheckKind::UnnecessaryFutureImport(_) => &CheckCode::U010,
            CheckKind::UnnecessaryLRUCacheParams => &CheckCode::U011,
            CheckKind::UnnecessaryEncodeUTF8 => &CheckCode::U012,
+            CheckKind::ConvertTypedDictFunctionalToClass(_) => &CheckCode::U013,
+            CheckKind::ConvertNamedTupleFunctionalToClass(_) => &CheckCode::U014,
            // pydocstyle
            CheckKind::BlankLineAfterLastSection(_) => &CheckCode::D413,
            CheckKind::BlankLineAfterSection(_) => &CheckCode::D410,
@@ -1240,10 +1307,17 @@ impl CheckKind {
            CheckKind::HardcodedPasswordString(..) => &CheckCode::S105,
            CheckKind::HardcodedPasswordFuncArg(..) => &CheckCode::S106,
            CheckKind::HardcodedPasswordDefault(..) => &CheckCode::S107,
+            // McCabe
+            CheckKind::FunctionIsTooComplex(..) => &CheckCode::C901,
+            // flake8-boolean-trap
+            CheckKind::BooleanPositionalArgInFunctionDefinition => &CheckCode::FBT001,
+            CheckKind::BooleanDefaultValueInFunctionDefinition => &CheckCode::FBT002,
+            CheckKind::BooleanPositionalValueInFunctionCall => &CheckCode::FBT003,
            // Ruff
            CheckKind::AmbiguousUnicodeCharacterString(..) => &CheckCode::RUF001,
            CheckKind::AmbiguousUnicodeCharacterDocstring(..) => &CheckCode::RUF002,
            CheckKind::AmbiguousUnicodeCharacterComment(..) => &CheckCode::RUF003,
+            CheckKind::ConvertExitToSysExit => &CheckCode::RUF101,
            // Meta
            CheckKind::UnusedNOQA(_) => &CheckCode::M001,
        }
@@ -1579,6 +1653,13 @@ impl CheckKind {
                    format!("Unnecessary `map` usage (rewrite using a `{obj_type}` comprehension)")
                }
            }
+            // flake8-tidy-imports
+            CheckKind::BannedRelativeImport(strictness) => match strictness {
+                Strictness::Parents => {
+                    "Relative imports from parent modules are banned".to_string()
+                }
+                Strictness::All => "Relative imports are banned".to_string(),
+            },
            // flake8-print
            CheckKind::PrintFound => "`print` found".to_string(),
            CheckKind::PPrintFound => "`pprint` found".to_string(),
@@ -1674,9 +1755,6 @@ impl CheckKind {
            CheckKind::TypeOfPrimitive(primitive) => {
                format!("Use `{}` instead of `type(...)`", primitive.builtin())
            }
-            CheckKind::UnnecessaryAbspath => {
-                "`abspath(__file__)` is unnecessary in Python 3.9 and later".to_string()
-            }
            CheckKind::UselessMetaclassType => "`__metaclass__ = type` is implied".to_string(),
            CheckKind::DeprecatedUnittestAlias(alias, target) => {
                format!("`{alias}` is deprecated, use `{target}` instead")
@@ -1708,6 +1786,12 @@ impl CheckKind {
                "Unnecessary parameters to `functools.lru_cache`".to_string()
            }
            CheckKind::UnnecessaryEncodeUTF8 => "Unnecessary call to `encode` as UTF-8".to_string(),
+            CheckKind::ConvertTypedDictFunctionalToClass(name) => {
+                format!("Convert `{name}` from `TypedDict` functional to class syntax")
+            }
+            CheckKind::ConvertNamedTupleFunctionalToClass(name) => {
+                format!("Convert `{name}` from `NamedTuple` functional to class syntax")
+            }
            // pydocstyle
            CheckKind::FitsOnOneLine => "One-line docstring should fit on one line".to_string(),
            CheckKind::BlankLineAfterSummary => {
@@ -1888,6 +1972,22 @@ impl CheckKind {
            CheckKind::HardcodedPasswordDefault(string) => {
                format!("Possible hardcoded password: `\"{string}\"`")
            }
+            // flake8-blind-except
+            CheckKind::BlindExcept => "Blind except Exception: statement".to_string(),
+            // McCabe
+            CheckKind::FunctionIsTooComplex(name, complexity) => {
+                format!("`{name}` is too complex ({complexity})")
+            }
+            // flake8-boolean-trap
+            CheckKind::BooleanPositionalArgInFunctionDefinition => {
+                "Boolean positional arg in function definition".to_string()
+            }
+            CheckKind::BooleanDefaultValueInFunctionDefinition => {
+                "Boolean default value in function definition".to_string()
+            }
+            CheckKind::BooleanPositionalValueInFunctionCall => {
+                "Boolean positional value in function call".to_string()
+            }
            // Ruff
            CheckKind::AmbiguousUnicodeCharacterString(confusable, representant) => {
                format!(
@@ -1907,6 +2007,9 @@ impl CheckKind {
                     '{representant}'?)"
                )
            }
+            CheckKind::ConvertExitToSysExit => "`exit()` is only available in the interpreter, \
+                                                use `sys.exit()` instead"
+                .to_string(),
            // Meta
            CheckKind::UnusedNOQA(codes) => match codes {
                None => "Unused `noqa` directive".to_string(),
@@ -1951,46 +2054,55 @@ impl CheckKind {
    pub fn fixable(&self) -> bool {
        matches!(
            self,
-            CheckKind::AmbiguousUnicodeCharacterString(_, _)
-                | CheckKind::AmbiguousUnicodeCharacterDocstring(_, _)
-                | CheckKind::BlankLineAfterLastSection(_)
-                | CheckKind::BlankLineAfterSection(_)
+            CheckKind::AmbiguousUnicodeCharacterString(..)
+                | CheckKind::AmbiguousUnicodeCharacterDocstring(..)
+                | CheckKind::BlankLineAfterLastSection(..)
+                | CheckKind::BlankLineAfterSection(..)
                | CheckKind::BlankLineAfterSummary
-                | CheckKind::BlankLineBeforeSection(_)
-                | CheckKind::CapitalizeSectionName(_)
-                | CheckKind::DashedUnderlineAfterSection(_)
-                | CheckKind::DeprecatedUnittestAlias(_, _)
+                | CheckKind::BlankLineBeforeSection(..)
+                | CheckKind::CapitalizeSectionName(..)
+                | CheckKind::ConvertExitToSysExit
+                | CheckKind::ConvertNamedTupleFunctionalToClass(..)
+                | CheckKind::ConvertTypedDictFunctionalToClass(..)
+                | CheckKind::DashedUnderlineAfterSection(..)
+                | CheckKind::DeprecatedUnittestAlias(..)
                | CheckKind::DoNotAssertFalse
-                | CheckKind::DuplicateHandlerException(_)
+                | CheckKind::DoNotAssignLambda
+                | CheckKind::DuplicateHandlerException(..)
                | CheckKind::GetAttrWithConstant
                | CheckKind::IsLiteral
                | CheckKind::NewLineAfterLastParagraph
-                | CheckKind::NewLineAfterSectionName(_)
-                | CheckKind::NoBlankLineAfterFunction(_)
-                | CheckKind::NoBlankLineBeforeClass(_)
-                | CheckKind::NoBlankLineBeforeFunction(_)
-                | CheckKind::NoBlankLinesBetweenHeaderAndContent(_)
+                | CheckKind::NewLineAfterSectionName(..)
+                | CheckKind::NoBlankLineAfterFunction(..)
+                | CheckKind::NoBlankLineBeforeClass(..)
+                | CheckKind::NoBlankLineBeforeFunction(..)
+                | CheckKind::NoBlankLinesBetweenHeaderAndContent(..)
                | CheckKind::NoOverIndentation
                | CheckKind::NoSurroundingWhitespace
                | CheckKind::NoUnderIndentation
-                | CheckKind::OneBlankLineAfterClass(_)
-                | CheckKind::OneBlankLineBeforeClass(_)
+                | CheckKind::NoneComparison(..)
+                | CheckKind::NotInTest
+                | CheckKind::NotIsTest
+                | CheckKind::OneBlankLineAfterClass(..)
+                | CheckKind::OneBlankLineBeforeClass(..)
                | CheckKind::PEP3120UnnecessaryCodingComment
                | CheckKind::PPrintFound
                | CheckKind::PrintFound
                | CheckKind::RaiseNotImplemented
-                | CheckKind::SectionNameEndsInColon(_)
-                | CheckKind::SectionNotOverIndented(_)
-                | CheckKind::SectionUnderlineAfterName(_)
-                | CheckKind::SectionUnderlineMatchesSectionLength(_)
-                | CheckKind::SectionUnderlineNotOverIndented(_)
+                | CheckKind::RedundantTupleInExceptionHandler(..)
+                | CheckKind::SectionNameEndsInColon(..)
+                | CheckKind::SectionNotOverIndented(..)
+                | CheckKind::SectionUnderlineAfterName(..)
+                | CheckKind::SectionUnderlineMatchesSectionLength(..)
+                | CheckKind::SectionUnderlineNotOverIndented(..)
+                | CheckKind::SetAttrWithConstant
                | CheckKind::SuperCallWithParameters
-                | CheckKind::TypeOfPrimitive(_)
-                | CheckKind::UnnecessaryAbspath
-                | CheckKind::UnnecessaryCollectionCall(_)
-                | CheckKind::UnnecessaryComprehension(_)
+                | CheckKind::TrueFalseComparison(..)
+                | CheckKind::TypeOfPrimitive(..)
+                | CheckKind::UnnecessaryCollectionCall(..)
+                | CheckKind::UnnecessaryComprehension(..)
                | CheckKind::UnnecessaryEncodeUTF8
-                | CheckKind::UnnecessaryFutureImport(_)
+                | CheckKind::UnnecessaryFutureImport(..)
                | CheckKind::UnnecessaryGeneratorDict
                | CheckKind::UnnecessaryGeneratorList
                | CheckKind::UnnecessaryGeneratorSet
@@ -1998,18 +2110,18 @@ impl CheckKind {
                | CheckKind::UnnecessaryListCall
                | CheckKind::UnnecessaryListComprehensionDict
                | CheckKind::UnnecessaryListComprehensionSet
-                | CheckKind::UnnecessaryLiteralDict(_)
-                | CheckKind::UnnecessaryLiteralSet(_)
-                | CheckKind::UnnecessaryLiteralWithinListCall(_)
-                | CheckKind::UnnecessaryLiteralWithinTupleCall(_)
+                | CheckKind::UnnecessaryLiteralDict(..)
+                | CheckKind::UnnecessaryLiteralSet(..)
+                | CheckKind::UnnecessaryLiteralWithinListCall(..)
+                | CheckKind::UnnecessaryLiteralWithinTupleCall(..)
                | CheckKind::UnsortedImports
                | CheckKind::UnusedImport(_, false)
-                | CheckKind::UnusedLoopControlVariable(_)
-                | CheckKind::UnusedNOQA(_)
-                | CheckKind::UsePEP585Annotation(_)
+                | CheckKind::UnusedLoopControlVariable(..)
+                | CheckKind::UnusedNOQA(..)
+                | CheckKind::UsePEP585Annotation(..)
                | CheckKind::UsePEP604Annotation
                | CheckKind::UselessMetaclassType
-                | CheckKind::UselessObjectInheritance(_)
+                | CheckKind::UselessObjectInheritance(..)
        )
    }
 }
--- a/src/checks_gen.rs
+++ b/src/checks_gen.rs
@@ -63,6 +63,10 @@ pub enum CheckCodePrefix {
    B025,
    B026,
    B027,
+    BLE,
+    BLE0,
+    BLE00,
+    BLE001,
    C,
    C4,
    C40,
@@ -83,6 +87,9 @@ pub enum CheckCodePrefix {
    C415,
    C416,
    C417,
+    C9,
+    C90,
+    C901,
    D,
    D1,
    D10,
@@ -211,10 +218,19 @@ pub enum CheckCodePrefix {
    F9,
    F90,
    F901,
+    FBT,
+    FBT0,
+    FBT00,
+    FBT001,
+    FBT002,
+    FBT003,
    I,
    I0,
    I00,
    I001,
+    I2,
+    I25,
+    I252,
    M,
    M0,
    M00,
@@ -251,6 +267,9 @@ pub enum CheckCodePrefix {
    RUF001,
    RUF002,
    RUF003,
+    RUF1,
+    RUF10,
+    RUF101,
    S,
    S1,
    S10,
@@ -269,7 +288,6 @@ pub enum CheckCodePrefix {
    U0,
    U00,
    U001,
-    U002,
    U003,
    U004,
    U005,
@@ -281,6 +299,8 @@ pub enum CheckCodePrefix {
    U010,
    U011,
    U012,
+    U013,
+    U014,
    W,
    W2,
    W29,
@@ -478,6 +498,10 @@ impl CheckCodePrefix {
            CheckCodePrefix::B025 => vec![CheckCode::B025],
            CheckCodePrefix::B026 => vec![CheckCode::B026],
            CheckCodePrefix::B027 => vec![CheckCode::B027],
+            CheckCodePrefix::BLE => vec![CheckCode::BLE001],
+            CheckCodePrefix::BLE0 => vec![CheckCode::BLE001],
+            CheckCodePrefix::BLE00 => vec![CheckCode::BLE001],
+            CheckCodePrefix::BLE001 => vec![CheckCode::BLE001],
            CheckCodePrefix::C => vec![
                CheckCode::C400,
                CheckCode::C401,
@@ -495,6 +519,7 @@ impl CheckCodePrefix {
                CheckCode::C415,
                CheckCode::C416,
                CheckCode::C417,
+                CheckCode::C901,
            ],
            CheckCodePrefix::C4 => vec![
                CheckCode::C400,
@@ -550,6 +575,9 @@ impl CheckCodePrefix {
            CheckCodePrefix::C415 => vec![CheckCode::C415],
            CheckCodePrefix::C416 => vec![CheckCode::C416],
            CheckCodePrefix::C417 => vec![CheckCode::C417],
+            CheckCodePrefix::C9 => vec![CheckCode::C901],
+            CheckCodePrefix::C90 => vec![CheckCode::C901],
+            CheckCodePrefix::C901 => vec![CheckCode::C901],
            CheckCodePrefix::D => vec![
                CheckCode::D100,
                CheckCode::D101,
@@ -926,10 +954,19 @@ impl CheckCodePrefix {
            CheckCodePrefix::F9 => vec![CheckCode::F901],
            CheckCodePrefix::F90 => vec![CheckCode::F901],
            CheckCodePrefix::F901 => vec![CheckCode::F901],
-            CheckCodePrefix::I => vec![CheckCode::I001],
+            CheckCodePrefix::FBT => vec![CheckCode::FBT001, CheckCode::FBT002, CheckCode::FBT003],
+            CheckCodePrefix::FBT0 => vec![CheckCode::FBT001, CheckCode::FBT002, CheckCode::FBT003],
+            CheckCodePrefix::FBT00 => vec![CheckCode::FBT001, CheckCode::FBT002, CheckCode::FBT003],
+            CheckCodePrefix::FBT001 => vec![CheckCode::FBT001],
+            CheckCodePrefix::FBT002 => vec![CheckCode::FBT002],
+            CheckCodePrefix::FBT003 => vec![CheckCode::FBT003],
+            CheckCodePrefix::I => vec![CheckCode::I252, CheckCode::I001],
            CheckCodePrefix::I0 => vec![CheckCode::I001],
            CheckCodePrefix::I00 => vec![CheckCode::I001],
            CheckCodePrefix::I001 => vec![CheckCode::I001],
+            CheckCodePrefix::I2 => vec![CheckCode::I252],
+            CheckCodePrefix::I25 => vec![CheckCode::I252],
+            CheckCodePrefix::I252 => vec![CheckCode::I252],
            CheckCodePrefix::M => vec![CheckCode::M001],
            CheckCodePrefix::M0 => vec![CheckCode::M001],
            CheckCodePrefix::M00 => vec![CheckCode::M001],
@@ -1024,12 +1061,20 @@ 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,
@@ -1067,7 +1112,6 @@ impl CheckCodePrefix {
            CheckCodePrefix::T203 => vec![CheckCode::T203],
            CheckCodePrefix::U => vec![
                CheckCode::U001,
-                CheckCode::U002,
                CheckCode::U003,
                CheckCode::U004,
                CheckCode::U005,
@@ -1078,10 +1122,11 @@ impl CheckCodePrefix {
                CheckCode::U010,
                CheckCode::U011,
                CheckCode::U012,
+                CheckCode::U013,
+                CheckCode::U014,
            ],
            CheckCodePrefix::U0 => vec![
                CheckCode::U001,
-                CheckCode::U002,
                CheckCode::U003,
                CheckCode::U004,
                CheckCode::U005,
@@ -1092,10 +1137,11 @@ impl CheckCodePrefix {
                CheckCode::U010,
                CheckCode::U011,
                CheckCode::U012,
+                CheckCode::U013,
+                CheckCode::U014,
            ],
            CheckCodePrefix::U00 => vec![
                CheckCode::U001,
-                CheckCode::U002,
                CheckCode::U003,
                CheckCode::U004,
                CheckCode::U005,
@@ -1105,7 +1151,6 @@ impl CheckCodePrefix {
                CheckCode::U009,
            ],
            CheckCodePrefix::U001 => vec![CheckCode::U001],
-            CheckCodePrefix::U002 => vec![CheckCode::U002],
            CheckCodePrefix::U003 => vec![CheckCode::U003],
            CheckCodePrefix::U004 => vec![CheckCode::U004],
            CheckCodePrefix::U005 => vec![CheckCode::U005],
@@ -1113,10 +1158,18 @@ impl CheckCodePrefix {
            CheckCodePrefix::U007 => vec![CheckCode::U007],
            CheckCodePrefix::U008 => vec![CheckCode::U008],
            CheckCodePrefix::U009 => vec![CheckCode::U009],
-            CheckCodePrefix::U01 => vec![CheckCode::U010, CheckCode::U011, CheckCode::U012],
+            CheckCodePrefix::U01 => vec![
+                CheckCode::U010,
+                CheckCode::U011,
+                CheckCode::U012,
+                CheckCode::U013,
+                CheckCode::U014,
+            ],
            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::W => vec![CheckCode::W292, CheckCode::W605],
            CheckCodePrefix::W2 => vec![CheckCode::W292],
            CheckCodePrefix::W29 => vec![CheckCode::W292],
@@ -1225,6 +1278,10 @@ impl CheckCodePrefix {
            CheckCodePrefix::B025 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B026 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B027 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::BLE => PrefixSpecificity::Category,
+            CheckCodePrefix::BLE0 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::BLE00 => PrefixSpecificity::Tens,
+            CheckCodePrefix::BLE001 => PrefixSpecificity::Explicit,
            CheckCodePrefix::C => PrefixSpecificity::Category,
            CheckCodePrefix::C4 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::C40 => PrefixSpecificity::Tens,
@@ -1245,6 +1302,9 @@ impl CheckCodePrefix {
            CheckCodePrefix::C415 => PrefixSpecificity::Explicit,
            CheckCodePrefix::C416 => PrefixSpecificity::Explicit,
            CheckCodePrefix::C417 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::C9 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::C90 => PrefixSpecificity::Tens,
+            CheckCodePrefix::C901 => PrefixSpecificity::Explicit,
            CheckCodePrefix::D => PrefixSpecificity::Category,
            CheckCodePrefix::D1 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::D10 => PrefixSpecificity::Tens,
@@ -1373,10 +1433,19 @@ impl CheckCodePrefix {
            CheckCodePrefix::F9 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::F90 => PrefixSpecificity::Tens,
            CheckCodePrefix::F901 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::FBT => PrefixSpecificity::Category,
+            CheckCodePrefix::FBT0 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::FBT00 => PrefixSpecificity::Tens,
+            CheckCodePrefix::FBT001 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::FBT002 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::FBT003 => PrefixSpecificity::Explicit,
            CheckCodePrefix::I => PrefixSpecificity::Category,
            CheckCodePrefix::I0 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::I00 => PrefixSpecificity::Tens,
            CheckCodePrefix::I001 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::I2 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::I25 => PrefixSpecificity::Tens,
+            CheckCodePrefix::I252 => PrefixSpecificity::Explicit,
            CheckCodePrefix::M => PrefixSpecificity::Category,
            CheckCodePrefix::M0 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::M00 => PrefixSpecificity::Tens,
@@ -1413,6 +1482,9 @@ 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,
@@ -1431,7 +1503,6 @@ impl CheckCodePrefix {
            CheckCodePrefix::U0 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::U00 => PrefixSpecificity::Tens,
            CheckCodePrefix::U001 => PrefixSpecificity::Explicit,
-            CheckCodePrefix::U002 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U003 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U004 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U005 => PrefixSpecificity::Explicit,
@@ -1443,6 +1514,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::U010 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U011 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U012 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::U013 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::U014 => PrefixSpecificity::Explicit,
            CheckCodePrefix::W => PrefixSpecificity::Category,
            CheckCodePrefix::W2 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::W29 => PrefixSpecificity::Tens,
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -1,19 +1,17 @@
-use std::fmt;
 use std::path::PathBuf;

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

 use crate::checks_gen::CheckCodePrefix;
 use crate::logging::LogLevel;
 use crate::printer::SerializationFormat;
-use crate::settings::configuration::Configuration;
 use crate::settings::types::{PatternPrefixPair, PerFileIgnore, PythonVersion};

 #[derive(Debug, Parser)]
-#[command(author, about = "ruff: An extremely fast Python linter.")]
+#[command(author, about = "Ruff: An extremely fast Python linter.")]
 #[command(version)]
 pub struct Cli {
    #[arg(required = true)]
@@ -66,16 +64,27 @@ pub struct Cli {
    /// excluded ones.
    #[arg(long, value_delimiter = ',')]
    pub extend_exclude: Vec<String>,
+    /// 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 = ',')]
+    pub fixable: Vec<CheckCodePrefix>,
+    /// List of error codes to treat as ineligible for autofix. Only applicable
+    /// when autofix itself is enabled (e.g., via `--fix`).
+    #[arg(long, value_delimiter = ',')]
+    pub unfixable: Vec<CheckCodePrefix>,
    /// List of mappings from file pattern to code to exclude
    #[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)]
    pub format: SerializationFormat,
-    /// See the files ruff will be run against with the current settings.
+    /// Show violations with source code.
+    #[arg(long)]
+    pub show_source: bool,
+    /// See the files Ruff will be run against with the current settings.
    #[arg(long)]
    pub show_files: bool,
-    /// See ruff's settings.
+    /// See Ruff's settings.
    #[arg(long)]
    pub show_settings: bool,
    /// Enable automatic additions of noqa directives to failing lines.
@@ -91,6 +100,9 @@ pub struct Cli {
    /// formatting.
    #[arg(long)]
    pub line_length: Option<usize>,
+    /// Max McCabe complexity allowed for a function.
+    #[arg(long)]
+    pub max_complexity: Option<usize>,
    /// Round-trip auto-formatting.
    // TODO(charlie): This should be a sub-command.
    #[arg(long, hide = true)]
@@ -131,70 +143,12 @@ pub fn extract_log_level(cli: &Cli) -> LogLevel {
    }
 }

-pub enum Warnable {
-    Select,
-    ExtendSelect,
-}
-
-impl fmt::Display for Warnable {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
-        match self {
-            Warnable::Select => fmt.write_str("--select"),
-            Warnable::ExtendSelect => fmt.write_str("--extend-select"),
-        }
-    }
-}
-
-/// Warn the user if they attempt to enable a code that won't be respected.
-pub fn warn_on(
-    flag: Warnable,
-    codes: &[CheckCodePrefix],
-    cli_ignore: &[CheckCodePrefix],
-    cli_extend_ignore: &[CheckCodePrefix],
-    pyproject_configuration: &Configuration,
-    pyproject_path: Option<&PathBuf>,
-) {
-    for code in codes {
-        if !cli_ignore.is_empty() {
-            if cli_ignore.contains(code) {
-                warn!("{code:?} was passed to {flag}, but ignored via --ignore")
-            }
-        } else if pyproject_configuration.ignore.contains(code) {
-            if let Some(path) = pyproject_path {
-                warn!(
-                    "{code:?} was passed to {flag}, but ignored by the `ignore` field in {}",
-                    path.to_string_lossy()
-                )
-            } else {
-                warn!("{code:?} was passed to {flag}, but ignored by the default `ignore` field",)
-            }
-        }
-        if !cli_extend_ignore.is_empty() {
-            if cli_extend_ignore.contains(code) {
-                warn!("{code:?} was passed to {flag}, but ignored via --extend-ignore")
-            }
-        } else if pyproject_configuration.extend_ignore.contains(code) {
-            if let Some(path) = pyproject_path {
-                warn!(
-                    "{code:?} was passed to {flag}, but ignored by the `extend_ignore` field in {}",
-                    path.to_string_lossy()
-                )
-            } else {
-                warn!(
-                    "{code:?} was passed to {flag}, but ignored by the default `extend_ignore` \
-                     field"
-                )
-            }
-        }
-    }
-}
-
 /// 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();
+) -> Result<Vec<PerFileIgnore>> {
+    let mut per_file_ignores: FxHashMap<String, Vec<CheckCodePrefix>> = FxHashMap::default();
    for pair in pairs {
        per_file_ignores
            .entry(pair.pattern)
--- a/src/code_gen.rs
+++ b/src/code_gen.rs
@@ -55,18 +55,14 @@ impl SourceGenerator {
    }

    fn newline(&mut self) -> fmt::Result {
-        if self.initial {
-            self.initial = false;
-        } else {
+        if !self.initial {
            self.new_lines = std::cmp::max(self.new_lines, 1);
        }
        Ok(())
    }

    fn newlines(&mut self, extra: usize) -> fmt::Result {
-        if self.initial {
-            self.initial = false;
-        } else {
+        if !self.initial {
            self.new_lines = std::cmp::max(self.new_lines, 1 + extra);
        }
        Ok(())
@@ -121,6 +117,7 @@ impl SourceGenerator {
                self.newline()?;
                self.p(&"    ".repeat(self.indentation))?;
                $body
+                self.initial = false;
            }};
        }

@@ -145,12 +142,11 @@ impl SourceGenerator {
                        self.unparse_expr(returns, precedence::EXPR)?;
                    }
                    self.p(":")?;
-                    self.body(body)?;
-
-                    if self.indentation == 0 {
-                        self.newlines(2)?;
-                    }
-                })
+                });
+                self.body(body)?;
+                if self.indentation == 0 {
+                    self.newlines(2)?;
+                }
            }
            StmtKind::AsyncFunctionDef {
                name,
@@ -172,11 +168,11 @@ impl SourceGenerator {
                        self.unparse_expr(returns, precedence::EXPR)?;
                    }
                    self.p(":")?;
-                    self.body(body)?;
-                    if self.indentation == 0 {
-                        self.newlines(2)?;
-                    }
-                })
+                });
+                self.body(body)?;
+                if self.indentation == 0 {
+                    self.newlines(2)?;
+                }
            }
            StmtKind::ClassDef {
                name,
@@ -209,11 +205,11 @@ impl SourceGenerator {
                    }
                    self.p_if(!first, ")")?;
                    self.p(":")?;
-                    self.body(body)?;
-                    if self.indentation == 0 {
-                        self.newlines(2)?;
-                    }
-                })
+                });
+                self.body(body)?;
+                if self.indentation == 0 {
+                    self.newlines(2)?;
+                }
            }
            StmtKind::Return { value } => {
                statement!({
@@ -299,14 +295,14 @@ impl SourceGenerator {
                    self.p(" in ")?;
                    self.unparse_expr(iter, precedence::TEST)?;
                    self.p(":")?;
-                    self.body(body)?;
-                    if !orelse.is_empty() {
-                        statement!({
-                            self.p("else:")?;
-                            self.body(orelse)?;
-                        });
-                    }
-                })
+                });
+                self.body(body)?;
+                if !orelse.is_empty() {
+                    statement!({
+                        self.p("else:")?;
+                    });
+                    self.body(orelse)?;
+                }
            }
            StmtKind::AsyncFor {
                target,
@@ -321,59 +317,59 @@ impl SourceGenerator {
                    self.p(" in ")?;
                    self.unparse_expr(iter, precedence::TEST)?;
                    self.p(":")?;
-                    self.body(body)?;
-                    if !orelse.is_empty() {
-                        statement!({
-                            self.p("else:")?;
-                            self.body(orelse)?;
-                        });
-                    }
-                })
+                });
+                self.body(body)?;
+                if !orelse.is_empty() {
+                    statement!({
+                        self.p("else:")?;
+                    });
+                    self.body(orelse)?;
+                }
            }
            StmtKind::While { test, body, orelse } => {
                statement!({
                    self.p("while ")?;
                    self.unparse_expr(test, precedence::TEST)?;
                    self.p(":")?;
-                    self.body(body)?;
-                    if !orelse.is_empty() {
-                        statement!({
-                            self.p("else:")?;
-                            self.body(orelse)?;
-                        });
-                    }
-                })
+                });
+                self.body(body)?;
+                if !orelse.is_empty() {
+                    statement!({
+                        self.p("else:")?;
+                    });
+                    self.body(orelse)?;
+                }
            }
            StmtKind::If { test, body, orelse } => {
                statement!({
                    self.p("if ")?;
                    self.unparse_expr(test, precedence::TEST)?;
                    self.p(":")?;
-                    self.body(body)?;
-
-                    let mut orelse_: &Vec<Stmt<U>> = orelse;
-                    loop {
-                        if orelse_.len() == 1 && matches!(orelse_[0].node, StmtKind::If { .. }) {
-                            if let StmtKind::If { body, test, orelse } = &orelse_[0].node {
-                                statement!({
-                                    self.p("elif ")?;
-                                    self.unparse_expr(test, precedence::TEST)?;
-                                    self.p(":")?;
-                                    self.body(body)?;
-                                });
-                                orelse_ = orelse;
-                            }
-                        } else {
-                            if !orelse_.is_empty() {
-                                statement!({
-                                    self.p("else:")?;
-                                    self.body(orelse_)?;
-                                });
-                            }
-                            break;
-                        }
-                    }
                });
+                self.body(body)?;
+
+                let mut orelse_: &Vec<Stmt<U>> = orelse;
+                loop {
+                    if orelse_.len() == 1 && matches!(orelse_[0].node, StmtKind::If { .. }) {
+                        if let StmtKind::If { body, test, orelse } = &orelse_[0].node {
+                            statement!({
+                                self.p("elif ")?;
+                                self.unparse_expr(test, precedence::TEST)?;
+                                self.p(":")?;
+                            });
+                            self.body(body)?;
+                            orelse_ = orelse;
+                        }
+                    } else {
+                        if !orelse_.is_empty() {
+                            statement!({
+                                self.p("else:")?;
+                            });
+                            self.body(orelse_)?;
+                        }
+                        break;
+                    }
+                }
            }
            StmtKind::With { items, body, .. } => {
                statement!({
@@ -384,8 +380,8 @@ impl SourceGenerator {
                        self.unparse_withitem(item)?;
                    }
                    self.p(":")?;
-                    self.body(body)?;
-                })
+                });
+                self.body(body)?;
            }
            StmtKind::AsyncWith { items, body, .. } => {
                statement!({
@@ -396,8 +392,8 @@ impl SourceGenerator {
                        self.unparse_withitem(item)?;
                    }
                    self.p(":")?;
-                    self.body(body)?;
-                })
+                });
+                self.body(body)?;
            }
            StmtKind::Match { .. } => {}
            StmtKind::Raise { exc, cause } => {
@@ -421,27 +417,27 @@ impl SourceGenerator {
            } => {
                statement!({
                    self.p("try:")?;
-                    self.body(body)?;
+                });
+                self.body(body)?;

-                    for handler in handlers {
-                        statement!({
-                            self.unparse_excepthandler(handler)?;
-                        });
-                    }
+                for handler in handlers {
+                    statement!({
+                        self.unparse_excepthandler(handler)?;
+                    });
+                }

-                    if !orelse.is_empty() {
-                        statement!({
-                            self.p("else:")?;
-                            self.body(orelse)?;
-                        });
-                    }
-                    if !finalbody.is_empty() {
-                        statement!({
-                            self.p("finally:")?;
-                            self.body(finalbody)?;
-                        });
-                    }
-                })
+                if !orelse.is_empty() {
+                    statement!({
+                        self.p("else:")?;
+                    });
+                    self.body(orelse)?;
+                }
+                if !finalbody.is_empty() {
+                    statement!({
+                        self.p("finally:")?;
+                    });
+                    self.body(finalbody)?;
+                }
            }
            StmtKind::Assert { test, msg } => {
                statement!({
--- 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/flake8_blind_except/mod.rs
+++ b/src/flake8_blind_except/mod.rs
@@ -0,0 +1 @@
+pub mod plugins;
--- a/src/flake8_blind_except/plugins.rs
+++ b/src/flake8_blind_except/plugins.rs
@@ -0,0 +1,23 @@
+use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind};
+
+use crate::ast::types::Range;
+use crate::check_ast::Checker;
+use crate::checks::{Check, CheckKind};
+
+pub fn blind_except(checker: &mut Checker, handlers: &[Excepthandler]) {
+    for handler in handlers {
+        let ExcepthandlerKind::ExceptHandler { type_, .. } = &handler.node;
+        if let Some(type_) = type_ {
+            if let ExprKind::Name { id, .. } = &type_.node {
+                for exception in ["BaseException", "Exception"] {
+                    if id == exception {
+                        checker.add_check(Check::new(
+                            CheckKind::BlindExcept,
+                            Range::from_located(type_),
+                        ));
+                    }
+                }
+            }
+        }
+    }
+}
--- a/src/flake8_boolean_trap/mod.rs
+++ b/src/flake8_boolean_trap/mod.rs
@@ -0,0 +1 @@
+pub mod plugins;
--- a/src/flake8_boolean_trap/plugins.rs
+++ b/src/flake8_boolean_trap/plugins.rs
@@ -0,0 +1,71 @@
+use rustpython_ast::{Arguments, ExprKind};
+use rustpython_parser::ast::{Constant, Expr};
+
+use crate::ast::types::Range;
+use crate::check_ast::Checker;
+use crate::checks::{Check, CheckKind};
+
+fn is_boolean_arg(arg: &Expr) -> bool {
+    matches!(
+        &arg.node,
+        ExprKind::Constant {
+            value: Constant::Bool(_),
+            ..
+        }
+    )
+}
+
+fn add_if_boolean(checker: &mut Checker, arg: &Expr, kind: CheckKind) {
+    if is_boolean_arg(arg) {
+        checker.add_check(Check::new(kind, Range::from_located(arg)));
+    }
+}
+
+pub fn check_positional_boolean_in_def(checker: &mut Checker, arguments: &Arguments) {
+    for arg in arguments.posonlyargs.iter().chain(arguments.args.iter()) {
+        if arg.node.annotation.is_none() {
+            continue;
+        }
+
+        if let Some(expr) = &arg.node.annotation {
+            // check for both bool (python class) and 'bool' (string annotation)
+            let hint = match &expr.node {
+                ExprKind::Name { id, .. } => id == "bool",
+                ExprKind::Constant {
+                    value: Constant::Str(value),
+                    ..
+                } => value == "bool",
+                _ => false,
+            };
+            if hint {
+                checker.add_check(Check::new(
+                    CheckKind::BooleanPositionalArgInFunctionDefinition,
+                    Range::from_located(arg),
+                ));
+            }
+        }
+    }
+}
+
+pub fn check_boolean_default_value_in_function_definition(
+    checker: &mut Checker,
+    arguments: &Arguments,
+) {
+    for arg in arguments.defaults.iter() {
+        add_if_boolean(
+            checker,
+            arg,
+            CheckKind::BooleanDefaultValueInFunctionDefinition,
+        );
+    }
+}
+
+pub fn check_boolean_positional_value_in_function_call(checker: &mut Checker, args: &[Expr]) {
+    for arg in args {
+        add_if_boolean(
+            checker,
+            arg,
+            CheckKind::BooleanPositionalValueInFunctionCall,
+        );
+    }
+}
--- a/src/flake8_bugbear/mod.rs
+++ b/src/flake8_bugbear/mod.rs
@@ -1,4 +1,3 @@
-mod constants;
 pub mod plugins;
 pub mod settings;

--- a/src/flake8_bugbear/plugins/abstract_base_class.rs
+++ b/src/flake8_bugbear/plugins/abstract_base_class.rs
@@ -1,4 +1,4 @@
-use fnv::{FnvHashMap, FnvHashSet};
+use rustc_hash::{FxHashMap, FxHashSet};
 use rustpython_ast::{Constant, Expr, ExprKind, Keyword, Stmt, StmtKind};

 use crate::ast::helpers::match_module_member;
@@ -9,8 +9,8 @@ use crate::checks::{Check, CheckCode, CheckKind};
 fn is_abc_class(
    bases: &[Expr],
    keywords: &[Keyword],
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
-    import_aliases: &FnvHashMap<&str, &str>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
 ) -> bool {
    keywords.iter().any(|keyword| {
        keyword
@@ -46,16 +46,16 @@ fn is_empty_body(body: &[Stmt]) -> bool {

 fn is_abstractmethod(
    expr: &Expr,
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
-    import_aliases: &FnvHashMap<&str, &str>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
 ) -> bool {
    match_module_member(expr, "abc", "abstractmethod", from_imports, import_aliases)
 }

 fn is_overload(
    expr: &Expr,
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
-    import_aliases: &FnvHashMap<&str, &str>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
 ) -> bool {
    match_module_member(expr, "typing", "overload", from_imports, import_aliases)
 }
--- a/src/flake8_bugbear/plugins/assert_false.rs
+++ b/src/flake8_bugbear/plugins/assert_false.rs
@@ -36,6 +36,7 @@ fn assertion_error(msg: Option<&Expr>) -> Stmt {
    )
 }

+/// B011
 pub fn assert_false(checker: &mut Checker, stmt: &Stmt, test: &Expr, msg: Option<&Expr>) {
    if let ExprKind::Constant {
        value: Constant::Bool(false),
@@ -43,7 +44,7 @@ pub fn assert_false(checker: &mut Checker, stmt: &Stmt, test: &Expr, msg: Option
    } = &test.node
    {
        let mut check = Check::new(CheckKind::DoNotAssertFalse, Range::from_located(test));
-        if checker.patch() {
+        if checker.patch(check.kind.code()) {
            let mut generator = SourceGenerator::new();
            if let Ok(()) = generator.unparse_stmt(&assertion_error(msg)) {
                if let Ok(content) = generator.generate() {
--- a/src/flake8_bugbear/plugins/duplicate_exceptions.rs
+++ b/src/flake8_bugbear/plugins/duplicate_exceptions.rs
@@ -54,7 +54,7 @@ fn duplicate_handler_exceptions<'a>(
                ),
                Range::from_located(expr),
            );
-            if checker.patch() {
+            if checker.patch(check.kind.code()) {
                // TODO(charlie): If we have a single element, remove the tuple.
                let mut generator = SourceGenerator::new();
                if let Ok(()) = generator.unparse_expr(&type_pattern(unique_elts), 0) {
--- a/src/flake8_bugbear/plugins/function_call_argument_default.rs
+++ b/src/flake8_bugbear/plugins/function_call_argument_default.rs
@@ -1,4 +1,4 @@
-use fnv::{FnvHashMap, FnvHashSet};
+use rustc_hash::{FxHashMap, FxHashSet};
 use rustpython_ast::{Arguments, Constant, Expr, ExprKind};

 use crate::ast::helpers::{
@@ -24,8 +24,8 @@ const IMMUTABLE_FUNCS: [(&str, &str); 7] = [
 fn is_immutable_func(
    expr: &Expr,
    extend_immutable_calls: &[(&str, &str)],
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
-    import_aliases: &FnvHashMap<&str, &str>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
 ) -> bool {
    let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
    IMMUTABLE_FUNCS
@@ -37,8 +37,8 @@ fn is_immutable_func(
 struct ArgumentDefaultVisitor<'a> {
    checks: Vec<(CheckKind, Range)>,
    extend_immutable_calls: &'a [(&'a str, &'a str)],
-    from_imports: &'a FnvHashMap<&'a str, FnvHashSet<&'a str>>,
-    import_aliases: &'a FnvHashMap<&'a str, &'a str>,
+    from_imports: &'a FxHashMap<&'a str, FxHashSet<&'a str>>,
+    import_aliases: &'a FxHashMap<&'a str, &'a str>,
 }

 impl<'a, 'b> Visitor<'b> for ArgumentDefaultVisitor<'b>
--- a/src/flake8_bugbear/plugins/getattr_with_constant.rs
+++ b/src/flake8_bugbear/plugins/getattr_with_constant.rs
@@ -5,7 +5,7 @@ use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};
 use crate::code_gen::SourceGenerator;
-use crate::flake8_bugbear::constants::IDENTIFIER_REGEX;
+use crate::python::identifiers::IDENTIFIER_REGEX;
 use crate::python::keyword::KWLIST;

 fn attribute(value: &Expr, attr: &str) -> Expr {
@@ -20,6 +20,7 @@ fn attribute(value: &Expr, attr: &str) -> Expr {
    )
 }

+/// B009
 pub fn getattr_with_constant(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
    if let ExprKind::Name { id, .. } = &func.node {
        if id == "getattr" {
@@ -32,7 +33,7 @@ pub fn getattr_with_constant(checker: &mut Checker, expr: &Expr, func: &Expr, ar
                    if IDENTIFIER_REGEX.is_match(value) && !KWLIST.contains(&value.as_str()) {
                        let mut check =
                            Check::new(CheckKind::GetAttrWithConstant, Range::from_located(expr));
-                        if checker.patch() {
+                        if checker.patch(check.kind.code()) {
                            let mut generator = SourceGenerator::new();
                            if let Ok(()) = generator.unparse_expr(&attribute(obj, value), 0) {
                                if let Ok(content) = generator.generate() {
--- a/src/flake8_bugbear/plugins/loop_variable_overrides_iterator.rs
+++ b/src/flake8_bugbear/plugins/loop_variable_overrides_iterator.rs
@@ -1,4 +1,4 @@
-use fnv::FnvHashMap;
+use rustc_hash::FxHashMap;
 use rustpython_ast::{Expr, ExprKind};

 use crate::ast::types::Range;
@@ -9,7 +9,7 @@ use crate::checks::{Check, CheckKind};

 #[derive(Default)]
 struct NameFinder<'a> {
-    names: FnvHashMap<&'a str, &'a Expr>,
+    names: FxHashMap<&'a str, &'a Expr>,
 }

 impl<'a, 'b> Visitor<'b> for NameFinder<'a>
--- a/src/flake8_bugbear/plugins/mutable_argument_default.rs
+++ b/src/flake8_bugbear/plugins/mutable_argument_default.rs
@@ -1,12 +1,12 @@
-use fnv::{FnvHashMap, FnvHashSet};
-use rustpython_ast::{Arguments, Expr, ExprKind};
+use rustc_hash::{FxHashMap, FxHashSet};
+use rustpython_ast::{Arguments, Constant, Expr, ExprKind, Operator};

 use crate::ast::helpers::{collect_call_paths, dealias_call_path, match_call_path};
 use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

-const MUTABLE_FUNCS: [(&str, &str); 7] = [
+const MUTABLE_FUNCS: &[(&str, &str)] = &[
    ("", "dict"),
    ("", "list"),
    ("", "set"),
@@ -16,10 +16,51 @@ const MUTABLE_FUNCS: [(&str, &str); 7] = [
    ("collections", "deque"),
 ];

+const IMMUTABLE_TYPES: &[(&str, &str)] = &[
+    ("", "bool"),
+    ("", "bytes"),
+    ("", "complex"),
+    ("", "float"),
+    ("", "frozenset"),
+    ("", "int"),
+    ("", "object"),
+    ("", "range"),
+    ("", "str"),
+    ("collections.abc", "Sized"),
+    ("typing", "LiteralString"),
+    ("typing", "Sized"),
+];
+
+const IMMUTABLE_GENERIC_TYPES: &[(&str, &str)] = &[
+    ("", "tuple"),
+    ("collections.abc", "ByteString"),
+    ("collections.abc", "Collection"),
+    ("collections.abc", "Container"),
+    ("collections.abc", "Iterable"),
+    ("collections.abc", "Mapping"),
+    ("collections.abc", "Reversible"),
+    ("collections.abc", "Sequence"),
+    ("collections.abc", "Set"),
+    ("typing", "AbstractSet"),
+    ("typing", "ByteString"),
+    ("typing", "Callable"),
+    ("typing", "Collection"),
+    ("typing", "Container"),
+    ("typing", "FrozenSet"),
+    ("typing", "Iterable"),
+    ("typing", "Literal"),
+    ("typing", "Mapping"),
+    ("typing", "Never"),
+    ("typing", "NoReturn"),
+    ("typing", "Reversible"),
+    ("typing", "Sequence"),
+    ("typing", "Tuple"),
+];
+
 pub fn is_mutable_func(
    expr: &Expr,
-    from_imports: &FnvHashMap<&str, FnvHashSet<&str>>,
-    import_aliases: &FnvHashMap<&str, &str>,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
 ) -> bool {
    let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
    MUTABLE_FUNCS
@@ -27,34 +68,106 @@ pub fn is_mutable_func(
        .any(|(module, member)| match_call_path(&call_path, module, member, from_imports))
 }

+fn is_mutable_expr(
+    expr: &Expr,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
+) -> bool {
+    match &expr.node {
+        ExprKind::List { .. }
+        | ExprKind::Dict { .. }
+        | ExprKind::Set { .. }
+        | ExprKind::ListComp { .. }
+        | ExprKind::DictComp { .. }
+        | ExprKind::SetComp { .. } => true,
+        ExprKind::Call { func, .. } => is_mutable_func(func, from_imports, import_aliases),
+        _ => false,
+    }
+}
+
+fn is_immutable_annotation(
+    expr: &Expr,
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
+) -> bool {
+    match &expr.node {
+        ExprKind::Name { .. } | ExprKind::Attribute { .. } => {
+            let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
+            IMMUTABLE_TYPES
+                .iter()
+                .chain(IMMUTABLE_GENERIC_TYPES)
+                .any(|(module, member)| match_call_path(&call_path, module, member, from_imports))
+        }
+        ExprKind::Subscript { value, slice, .. } => {
+            let call_path = dealias_call_path(collect_call_paths(value), import_aliases);
+            if IMMUTABLE_GENERIC_TYPES
+                .iter()
+                .any(|(module, member)| match_call_path(&call_path, module, member, from_imports))
+            {
+                true
+            } else if match_call_path(&call_path, "typing", "Union", from_imports) {
+                if let ExprKind::Tuple { elts, .. } = &slice.node {
+                    elts.iter()
+                        .all(|elt| is_immutable_annotation(elt, from_imports, import_aliases))
+                } else {
+                    false
+                }
+            } else if match_call_path(&call_path, "typing", "Optional", from_imports) {
+                is_immutable_annotation(slice, from_imports, import_aliases)
+            } else if match_call_path(&call_path, "typing", "Annotated", from_imports) {
+                if let ExprKind::Tuple { elts, .. } = &slice.node {
+                    elts.first().map_or(false, |elt| {
+                        is_immutable_annotation(elt, from_imports, import_aliases)
+                    })
+                } else {
+                    false
+                }
+            } else {
+                false
+            }
+        }
+        ExprKind::BinOp {
+            left,
+            op: Operator::BitOr,
+            right,
+        } => {
+            is_immutable_annotation(left, from_imports, import_aliases)
+                && is_immutable_annotation(right, from_imports, import_aliases)
+        }
+        ExprKind::Constant {
+            value: Constant::None,
+            ..
+        } => true,
+        _ => false,
+    }
+}
+
 /// B006
 pub fn mutable_argument_default(checker: &mut Checker, arguments: &Arguments) {
-    for expr in arguments
-        .defaults
+    // Scan in reverse order to right-align zip()
+    for (arg, default) in arguments
+        .kwonlyargs
        .iter()
-        .chain(arguments.kw_defaults.iter())
+        .rev()
+        .zip(arguments.kw_defaults.iter().rev())
+        .chain(
+            arguments
+                .args
+                .iter()
+                .rev()
+                .chain(arguments.posonlyargs.iter().rev())
+                .zip(arguments.defaults.iter().rev()),
+        )
    {
-        match &expr.node {
-            ExprKind::List { .. }
-            | ExprKind::Dict { .. }
-            | ExprKind::Set { .. }
-            | ExprKind::ListComp { .. }
-            | ExprKind::DictComp { .. }
-            | ExprKind::SetComp { .. } => {
-                checker.add_check(Check::new(
-                    CheckKind::MutableArgumentDefault,
-                    Range::from_located(expr),
-                ));
-            }
-            ExprKind::Call { func, .. } => {
-                if is_mutable_func(func, &checker.from_imports, &checker.import_aliases) {
-                    checker.add_check(Check::new(
-                        CheckKind::MutableArgumentDefault,
-                        Range::from_located(expr),
-                    ));
-                }
-            }
-            _ => {}
+        if is_mutable_expr(default, &checker.from_imports, &checker.import_aliases)
+            && arg.node.annotation.as_ref().map_or(true, |expr| {
+                !is_immutable_annotation(expr, &checker.from_imports, &checker.import_aliases)
+            })
+        {
+            checker.add_check(Check::new(
+                CheckKind::MutableArgumentDefault,
+                Range::from_located(default),
+            ));
        }
    }
 }
--- a/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
+++ b/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
@@ -1,8 +1,55 @@
-use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind};
+use anyhow::Result;
+use log::error;
+use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind, Located};
+use rustpython_parser::lexer;
+use rustpython_parser::lexer::Tok;

+use crate::ast::helpers;
 use crate::ast::types::Range;
+use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};
+use crate::code_gen::SourceGenerator;
+use crate::SourceCodeLocator;
+
+/// Given a statement like `except (ValueError,)`, find the range of the
+/// parenthesized expression.
+fn match_tuple_range<T>(located: &Located<T>, locator: &SourceCodeLocator) -> Result<Range> {
+    // Extract contents from the source code.
+    let range = Range::from_located(located);
+    let contents = locator.slice_source_code_range(&range);
+
+    // Find the left (opening) and right (closing) parentheses.
+    let mut location = None;
+    let mut end_location = None;
+    let mut count: usize = 0;
+    for (start, tok, end) in lexer::make_tokenizer(&contents).flatten() {
+        if matches!(tok, Tok::Lpar) {
+            if count == 0 {
+                location = Some(helpers::to_absolute(&start, &range.location));
+            }
+            count += 1;
+        }
+
+        if matches!(tok, Tok::Rpar) {
+            count -= 1;
+            if count == 0 {
+                end_location = Some(helpers::to_absolute(&end, &range.location));
+                break;
+            }
+        }
+    }
+    if let (Some(location), Some(end_location)) = (location, end_location) {
+        Ok(Range {
+            location,
+            end_location,
+        })
+    } else {
+        Err(anyhow::anyhow!(
+            "Unable to find left and right parentheses."
+        ))
+    }
+}

 /// B013
 pub fn redundant_tuple_in_exception_handler(checker: &mut Checker, handlers: &[Excepthandler]) {
@@ -10,11 +57,29 @@ pub fn redundant_tuple_in_exception_handler(checker: &mut Checker, handlers: &[E
        let ExcepthandlerKind::ExceptHandler { type_, .. } = &handler.node;
        if let Some(type_) = type_ {
            if let ExprKind::Tuple { elts, .. } = &type_.node {
-                if elts.len() == 1 {
-                    checker.add_check(Check::new(
-                        CheckKind::RedundantTupleInExceptionHandler(elts[0].to_string()),
+                if let [elt] = &elts[..] {
+                    let mut check = Check::new(
+                        CheckKind::RedundantTupleInExceptionHandler(elt.to_string()),
                        Range::from_located(type_),
-                    ));
+                    );
+                    if checker.patch(check.kind.code()) {
+                        let mut generator = SourceGenerator::new();
+                        if let Ok(()) = generator.unparse_expr(elt, 0) {
+                            if let Ok(content) = generator.generate() {
+                                match match_tuple_range(handler, checker.locator) {
+                                    Ok(range) => {
+                                        check.amend(Fix::replacement(
+                                            content,
+                                            range.location,
+                                            range.end_location,
+                                        ));
+                                    }
+                                    Err(e) => error!("Failed to locate parentheses: {}", e),
+                                }
+                            }
+                        }
+                    }
+                    checker.add_check(check)
                }
            }
        }
--- a/src/flake8_bugbear/plugins/setattr_with_constant.rs
+++ b/src/flake8_bugbear/plugins/setattr_with_constant.rs
@@ -1,26 +1,61 @@
-use rustpython_ast::{Constant, Expr, ExprKind};
+use rustpython_ast::{Constant, Expr, ExprContext, ExprKind, Stmt, StmtKind};

 use crate::ast::types::Range;
+use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};
-use crate::flake8_bugbear::constants::IDENTIFIER_REGEX;
+use crate::code_gen::SourceGenerator;
+use crate::python::identifiers::IDENTIFIER_REGEX;
 use crate::python::keyword::KWLIST;

+fn assignment(obj: &Expr, name: &str, value: &Expr) -> Option<String> {
+    let stmt = Stmt::new(
+        Default::default(),
+        Default::default(),
+        StmtKind::Assign {
+            targets: vec![Expr::new(
+                Default::default(),
+                Default::default(),
+                ExprKind::Attribute {
+                    value: Box::new(obj.clone()),
+                    attr: name.to_string(),
+                    ctx: ExprContext::Store,
+                },
+            )],
+            value: Box::new(value.clone()),
+            type_comment: None,
+        },
+    );
+    let mut generator = SourceGenerator::new();
+    match generator.unparse_stmt(&stmt) {
+        Ok(()) => generator.generate().ok(),
+        Err(_) => None,
+    }
+}
+
 /// B010
 pub fn setattr_with_constant(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
    if let ExprKind::Name { id, .. } = &func.node {
        if id == "setattr" {
-            if let [_, arg, _] = args {
+            if let [obj, name, value] = args {
                if let ExprKind::Constant {
-                    value: Constant::Str(value),
+                    value: Constant::Str(name),
                    ..
-                } = &arg.node
+                } = &name.node
                {
-                    if IDENTIFIER_REGEX.is_match(value) && !KWLIST.contains(&value.as_str()) {
-                        checker.add_check(Check::new(
-                            CheckKind::SetAttrWithConstant,
-                            Range::from_located(expr),
-                        ));
+                    if IDENTIFIER_REGEX.is_match(name) && !KWLIST.contains(&name.as_str()) {
+                        let mut check =
+                            Check::new(CheckKind::SetAttrWithConstant, Range::from_located(expr));
+                        if checker.patch(check.kind.code()) {
+                            if let Some(content) = assignment(obj, name, value) {
+                                check.amend(Fix::replacement(
+                                    content,
+                                    expr.location,
+                                    expr.end_location.unwrap(),
+                                ));
+                            }
+                        }
+                        checker.add_check(check);
                    }
                }
            }
--- a/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
+++ b/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
@@ -1,4 +1,4 @@
-use fnv::FnvHashMap;
+use rustc_hash::FxHashMap;
 use rustpython_ast::{Expr, ExprKind, Stmt};

 use crate::ast::types::Range;
@@ -11,7 +11,7 @@ use crate::checks::{Check, CheckKind};
 /// Identify all `ExprKind::Name` nodes in an AST.
 struct NameFinder<'a> {
    /// A map from identifier to defining expression.
-    names: FnvHashMap<&'a str, &'a Expr>,
+    names: FxHashMap<&'a str, &'a Expr>,
 }

 impl NameFinder<'_> {
@@ -65,7 +65,7 @@ pub fn unused_loop_control_variable(checker: &mut Checker, target: &Expr, body:
            CheckKind::UnusedLoopControlVariable(name.to_string()),
            Range::from_located(expr),
        );
-        if checker.patch() {
+        if checker.patch(check.kind.code()) {
            // Prefix the variable name with an underscore.
            check.amend(Fix::replacement(
                format!("_{name}"),
--- a/src/flake8_print/checks.rs
+++ b/src/flake8_print/checks.rs
@@ -5,7 +5,6 @@ use crate::checks::{Check, CheckKind};

 /// Check whether a function call is a `print` or `pprint` invocation
 pub fn print_call(
-    expr: &Expr,
    func: &Expr,
    check_print: bool,
    check_pprint: bool,
@@ -13,7 +12,7 @@ pub fn print_call(
 ) -> Option<Check> {
    if let ExprKind::Name { id, .. } = &func.node {
        if check_print && id == "print" {
-            return Some(Check::new(CheckKind::PrintFound, Range::from_located(expr)));
+            return Some(Check::new(CheckKind::PrintFound, location));
        } else if check_pprint && id == "pprint" {
            return Some(Check::new(CheckKind::PPrintFound, location));
        }
--- a/src/flake8_print/plugins/print_call.rs
+++ b/src/flake8_print/plugins/print_call.rs
@@ -10,13 +10,12 @@ use crate::flake8_print::checks;
 /// T201, T203
 pub fn print_call(checker: &mut Checker, expr: &Expr, func: &Expr) {
    if let Some(mut check) = checks::print_call(
-        expr,
        func,
        checker.settings.enabled.contains(&CheckCode::T201),
        checker.settings.enabled.contains(&CheckCode::T203),
        Range::from_located(expr),
    ) {
-        if checker.patch() {
+        if checker.patch(check.kind.code()) {
            let context = checker.binding_context();
            if matches!(
                checker.parents[context.defined_by].node,
--- a/src/flake8_quotes/settings.rs
+++ b/src/flake8_quotes/settings.rs
@@ -1,4 +1,4 @@
-//! Settings for the `flake-quotes` plugin.
+//! Settings for the `flake8-quotes` plugin.

 use serde::{Deserialize, Serialize};

--- a/src/flake8_tidy_imports/checks.rs
+++ b/src/flake8_tidy_imports/checks.rs
@@ -0,0 +1,26 @@
+use rustpython_ast::Stmt;
+
+use crate::ast::types::Range;
+use crate::checks::{Check, CheckKind};
+use crate::flake8_tidy_imports::settings::Strictness;
+
+pub fn banned_relative_import(
+    stmt: &Stmt,
+    level: Option<&usize>,
+    strictness: &Strictness,
+) -> Option<Check> {
+    if let Some(level) = level {
+        if level
+            > &match strictness {
+                Strictness::All => 0,
+                Strictness::Parents => 1,
+            }
+        {
+            return Some(Check::new(
+                CheckKind::BannedRelativeImport(strictness.clone()),
+                Range::from_located(stmt),
+            ));
+        }
+    }
+    None
+}
--- a/src/flake8_tidy_imports/mod.rs
+++ b/src/flake8_tidy_imports/mod.rs
@@ -0,0 +1,49 @@
+pub mod checks;
+pub mod settings;
+
+#[cfg(test)]
+mod tests {
+    use std::path::Path;
+
+    use anyhow::Result;
+
+    use crate::autofix::fixer;
+    use crate::checks::CheckCode;
+    use crate::flake8_tidy_imports::settings::Strictness;
+    use crate::linter::test_path;
+    use crate::{flake8_tidy_imports, Settings};
+
+    #[test]
+    fn ban_parent_imports() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/I252.py"),
+            &Settings {
+                flake8_tidy_imports: flake8_tidy_imports::settings::Settings {
+                    ban_relative_imports: Strictness::Parents,
+                },
+                ..Settings::for_rules(vec![CheckCode::I252])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+
+    #[test]
+    fn ban_all_imports() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/I252.py"),
+            &Settings {
+                flake8_tidy_imports: flake8_tidy_imports::settings::Settings {
+                    ban_relative_imports: Strictness::All,
+                },
+                ..Settings::for_rules(vec![CheckCode::I252])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+}
--- a/src/flake8_tidy_imports/settings.rs
+++ b/src/flake8_tidy_imports/settings.rs
@@ -0,0 +1,37 @@
+//! Settings for the `flake8-tidy-imports` plugin.
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
+#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+pub enum Strictness {
+    Parents,
+    All,
+}
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+pub struct Options {
+    pub ban_relative_imports: Option<Strictness>,
+}
+
+#[derive(Debug, Hash)]
+pub struct Settings {
+    pub ban_relative_imports: Strictness,
+}
+
+impl Settings {
+    pub fn from_options(options: Options) -> Self {
+        Self {
+            ban_relative_imports: options.ban_relative_imports.unwrap_or(Strictness::Parents),
+        }
+    }
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            ban_relative_imports: Strictness::Parents,
+        }
+    }
+}
--- a/src/flake8_tidy_imports/snapshots/ruff__flake8_tidy_importstestsban_all_imports.snap
+++ b/src/flake8_tidy_imports/snapshots/ruff__flake8_tidy_importstestsban_all_imports.snap
@@ -0,0 +1,59 @@
+---
+source: src/flake8_tidy_imports/mod.rs
+expression: checks
+---
+- kind:
+    BannedRelativeImport: all
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 1
+    column: 21
+  fix: ~
+- kind:
+    BannedRelativeImport: all
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 2
+    column: 28
+  fix: ~
+- kind:
+    BannedRelativeImport: all
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 21
+  fix: ~
+- kind:
+    BannedRelativeImport: all
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 5
+    column: 28
+  fix: ~
+- kind:
+    BannedRelativeImport: all
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 7
+    column: 27
+  fix: ~
+- kind:
+    BannedRelativeImport: all
+  location:
+    row: 8
+    column: 0
+  end_location:
+    row: 8
+    column: 34
+  fix: ~
+
--- a/src/flake8_tidy_imports/snapshots/ruff__flake8_tidy_importstestsban_parent_imports.snap
+++ b/src/flake8_tidy_imports/snapshots/ruff__flake8_tidy_importstestsban_parent_imports.snap
@@ -0,0 +1,41 @@
+---
+source: src/flake8_tidy_imports/mod.rs
+expression: checks
+---
+- kind:
+    BannedRelativeImport: parents
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 21
+  fix: ~
+- kind:
+    BannedRelativeImport: parents
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 5
+    column: 28
+  fix: ~
+- kind:
+    BannedRelativeImport: parents
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 7
+    column: 27
+  fix: ~
+- kind:
+    BannedRelativeImport: parents
+  location:
+    row: 8
+    column: 0
+  end_location:
+    row: 8
+    column: 34
+  fix: ~
+
--- a/src/fs.rs
+++ b/src/fs.rs
@@ -5,9 +5,9 @@ use std::ops::Deref;
 use std::path::{Path, PathBuf};

 use anyhow::{anyhow, Result};
-use fnv::FnvHashSet;
 use log::debug;
 use path_absolutize::{path_dedot, Absolutize};
+use rustc_hash::FxHashSet;
 use walkdir::{DirEntry, WalkDir};

 use crate::checks::CheckCode;
@@ -121,7 +121,7 @@ pub fn iter_python_files<'a>(
 pub(crate) fn ignores_from_path<'a>(
    path: &Path,
    pattern_code_pairs: &'a [PerFileIgnore],
-) -> Result<FnvHashSet<&'a CheckCode>> {
+) -> Result<FxHashSet<&'a CheckCode>> {
    let (file_path, file_basename) = extract_path_names(path)?;
    Ok(pattern_code_pairs
        .iter()
@@ -203,7 +203,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "foo",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(is_excluded(file_path, file_basename, exclude.iter()));

@@ -211,7 +211,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "bar",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(is_excluded(file_path, file_basename, exclude.iter()));

@@ -221,7 +221,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "baz.py",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(is_excluded(file_path, file_basename, exclude.iter()));

@@ -229,7 +229,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "foo/bar",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(is_excluded(file_path, file_basename, exclude.iter()));

@@ -239,7 +239,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "foo/bar/baz.py",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(is_excluded(file_path, file_basename, exclude.iter()));

@@ -249,7 +249,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "foo/bar/*.py",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(is_excluded(file_path, file_basename, exclude.iter()));

@@ -259,7 +259,7 @@ mod tests {
        let exclude = vec![FilePattern::from_user(
            "baz",
            Some(&project_root.to_path_buf()),
-        )];
+        )?];
        let (file_path, file_basename) = extract_path_names(&path)?;
        assert!(!is_excluded(file_path, file_basename, exclude.iter()));

--- a/src/isort/mod.rs
+++ b/src/isort/mod.rs
@@ -1,9 +1,10 @@
+use std::cmp::Reverse;
 use std::collections::{BTreeMap, BTreeSet};
 use std::path::PathBuf;

-use fnv::FnvHashMap;
 use itertools::Itertools;
 use ropey::RopeBuilder;
+use rustc_hash::FxHashMap;
 use rustpython_ast::{Stmt, StmtKind};

 use crate::isort::categorize::{categorize, ImportType};
@@ -355,7 +356,7 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
                                    atop: comments.atop,
                                    inline: Default::default(),
                                },
-                                FnvHashMap::from_iter([(
+                                FxHashMap::from_iter([(
                                    alias,
                                    CommentSet {
                                        atop: Default::default(),
@@ -381,6 +382,7 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
                // Sort each `StmtKind::ImportFrom` by module key, breaking ties based on
                // members.
                (
+                    Reverse(import_from.level),
                    import_from
                        .module
                        .as_ref()
@@ -477,6 +479,7 @@ mod tests {
    #[test_case(Path::new("leading_prefix.py"))]
    #[test_case(Path::new("no_reorder_within_section.py"))]
    #[test_case(Path::new("order_by_type.py"))]
+    #[test_case(Path::new("order_relative_imports_by_level.py"))]
    #[test_case(Path::new("preserve_comment_order.py"))]
    #[test_case(Path::new("preserve_indentation.py"))]
    #[test_case(Path::new("reorder_within_section.py"))]
--- a/src/isort/plugins.rs
+++ b/src/isort/plugins.rs
@@ -1,10 +1,11 @@
 use rustpython_ast::{Location, Stmt};
 use textwrap::{dedent, indent};

+use crate::ast::helpers::{match_leading_content, match_trailing_content};
 use crate::ast::types::Range;
+use crate::ast::whitespace::leading_space;
 use crate::autofix::{fixer, Fix};
 use crate::checks::CheckKind;
-use crate::docstrings::helpers::leading_space;
 use crate::isort::{comments, format_imports};
 use crate::{Check, Settings, SourceCodeLocator};

@@ -27,34 +28,6 @@ fn extract_indentation(body: &[&Stmt], locator: &SourceCodeLocator) -> String {
    leading_space(&existing)
 }

-fn match_leading_content(body: &[&Stmt], locator: &SourceCodeLocator) -> bool {
-    let location = body.first().unwrap().location;
-    let range = Range {
-        location: Location::new(location.row(), 0),
-        end_location: location,
-    };
-    let prefix = locator.slice_source_code_range(&range);
-    prefix.chars().any(|char| !char.is_whitespace())
-}
-
-fn match_trailing_content(body: &[&Stmt], locator: &SourceCodeLocator) -> bool {
-    let end_location = body.last().unwrap().end_location.unwrap();
-    let range = Range {
-        location: end_location,
-        end_location: Location::new(end_location.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
-}
-
 /// I001
 pub fn check_imports(
    body: Vec<&Stmt>,
@@ -75,8 +48,8 @@ pub fn check_imports(
    );

    // Special-cases: there's leading or trailing content in the import block.
-    let has_leading_content = match_leading_content(&body, locator);
-    let has_trailing_content = match_trailing_content(&body, locator);
+    let has_leading_content = match_leading_content(body.first().unwrap(), locator);
+    let has_trailing_content = match_trailing_content(body.last().unwrap(), locator);

    // Generate the sorted import block.
    let expected = format_imports(
@@ -91,7 +64,7 @@ pub fn check_imports(

    if has_leading_content || has_trailing_content {
        let mut check = Check::new(CheckKind::UnsortedImports, range);
-        if autofix.patch() {
+        if autofix.patch() && settings.fixable.contains(check.kind.code()) {
            let mut content = String::new();
            if has_leading_content {
                content.push('\n');
@@ -119,7 +92,7 @@ pub fn check_imports(
        let actual = dedent(&locator.slice_source_code_range(&range));
        if actual != expected {
            let mut check = Check::new(CheckKind::UnsortedImports, range);
-            if autofix.patch() {
+            if autofix.patch() && settings.fixable.contains(check.kind.code()) {
                check.amend(Fix::replacement(
                    indent(&expected, &indentation),
                    range.location,
--- a/src/isort/snapshots/ruffisorttests__order_relative_imports_by_level.py.snap
+++ b/src/isort/snapshots/ruffisorttests__order_relative_imports_by_level.py.snap
@@ -0,0 +1,22 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 5
+    column: 0
+  fix:
+    patch:
+      content: "from ..a import a\nfrom ..b import a\nfrom .a import a\nfrom .b import a\n"
+      location:
+        row: 1
+        column: 0
+      end_location:
+        row: 5
+        column: 0
+    applied: false
+
--- a/src/isort/types.rs
+++ b/src/isort/types.rs
@@ -1,6 +1,6 @@
 use std::borrow::Cow;

-use fnv::FnvHashMap;
+use rustc_hash::FxHashMap;

 use crate::ast;

@@ -51,14 +51,14 @@ impl Importable for ImportFromData<'_> {
 pub struct ImportBlock<'a> {
    // Set of (name, asname), used to track regular imports.
    // Ex) `import module`
-    pub import: FnvHashMap<AliasData<'a>, CommentSet<'a>>,
+    pub import: FxHashMap<AliasData<'a>, CommentSet<'a>>,
    // Map from (module, level) to `AliasData`, used to track 'from' imports.
    // Ex) `from module import member`
    pub import_from:
-        FnvHashMap<ImportFromData<'a>, (CommentSet<'a>, FnvHashMap<AliasData<'a>, CommentSet<'a>>)>,
+        FxHashMap<ImportFromData<'a>, (CommentSet<'a>, FxHashMap<AliasData<'a>, CommentSet<'a>>)>,
    // Set of (module, level, name, asname), used to track re-exported 'from' imports.
    // Ex) `from module import member as member`
-    pub import_from_as: FnvHashMap<(ImportFromData<'a>, AliasData<'a>), CommentSet<'a>>,
+    pub import_from_as: FxHashMap<(ImportFromData<'a>, AliasData<'a>), CommentSet<'a>>,
 }

 type AliasDataWithComments<'a> = (AliasData<'a>, CommentSet<'a>);
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,16 +30,20 @@ mod docstrings;
 mod flake8_2020;
 pub mod flake8_annotations;
 pub mod flake8_bandit;
+mod flake8_blind_except;
+pub mod flake8_boolean_trap;
 pub mod flake8_bugbear;
 mod flake8_builtins;
 mod flake8_comprehensions;
 mod flake8_print;
 pub mod flake8_quotes;
+pub mod flake8_tidy_imports;
 pub mod fs;
 mod isort;
 mod lex;
 pub mod linter;
 pub mod logging;
+pub mod mccabe;
 pub mod message;
 mod noqa;
 pub mod pep8_naming;
--- a/src/linter.rs
+++ b/src/linter.rs
@@ -22,7 +22,7 @@ use crate::check_tokens::check_tokens;
 use crate::checks::{Check, CheckCode, CheckKind, LintSource};
 use crate::code_gen::SourceGenerator;
 use crate::directives::Directives;
-use crate::message::Message;
+use crate::message::{Message, Source};
 use crate::noqa::add_noqa;
 use crate::settings::Settings;
 use crate::source_code_locator::SourceCodeLocator;
@@ -176,11 +176,18 @@ pub fn lint_stdin(
    // Convert to messages.
    Ok(checks
        .into_iter()
-        .map(|check| Message::from_check(path.to_string_lossy().to_string(), check))
+        .map(|check| {
+            let filename = path.to_string_lossy().to_string();
+            let source = if settings.show_source {
+                Some(Source::from_check(&check, &locator))
+            } else {
+                None
+            };
+            Message::from_check(check, filename, source)
+        })
        .collect())
 }

-#[cfg_attr(target_family = "wasm", allow(unused_variables))]
 pub fn lint_path(
    path: &Path,
    settings: &Settings,
@@ -190,7 +197,6 @@ pub fn lint_path(
    let metadata = path.metadata()?;

    // Check the cache.
-    #[cfg(not(target_family = "wasm"))]
    if let Some(messages) = cache::get(path, &metadata, settings, autofix, mode) {
        debug!("Cache hit for: {}", path.to_string_lossy());
        return Ok(messages);
@@ -233,9 +239,17 @@ pub fn lint_path(
    // Convert to messages.
    let messages: Vec<Message> = checks
        .into_iter()
-        .map(|check| Message::from_check(path.to_string_lossy().to_string(), check))
+        .map(|check| {
+            let filename = path.to_string_lossy().to_string();
+            let source = if settings.show_source {
+                Some(Source::from_check(&check, &locator))
+            } else {
+                None
+            };
+            Message::from_check(check, filename, source)
+        })
        .collect();
-    #[cfg(not(target_family = "wasm"))]
+
    cache::set(path, &metadata, settings, autofix, &messages, mode);

    Ok(messages)
@@ -351,6 +365,7 @@ mod tests {
    #[test_case(CheckCode::B025, Path::new("B025.py"); "B025")]
    #[test_case(CheckCode::B026, Path::new("B026.py"); "B026")]
    #[test_case(CheckCode::B027, Path::new("B027.py"); "B027")]
+    #[test_case(CheckCode::BLE001, Path::new("BLE.py"); "BLE001")]
    #[test_case(CheckCode::C400, Path::new("C400.py"); "C400")]
    #[test_case(CheckCode::C401, Path::new("C401.py"); "C401")]
    #[test_case(CheckCode::C402, Path::new("C402.py"); "C402")]
@@ -487,7 +502,6 @@ mod tests {
    #[test_case(CheckCode::T201, Path::new("T201.py"); "T201")]
    #[test_case(CheckCode::T203, Path::new("T203.py"); "T203")]
    #[test_case(CheckCode::U001, Path::new("U001.py"); "U001")]
-    #[test_case(CheckCode::U002, Path::new("U002.py"); "U002")]
    #[test_case(CheckCode::U003, Path::new("U003.py"); "U003")]
    #[test_case(CheckCode::U004, Path::new("U004.py"); "U004")]
    #[test_case(CheckCode::U005, Path::new("U005.py"); "U005")]
@@ -502,6 +516,8 @@ mod tests {
    #[test_case(CheckCode::U011, Path::new("U011_0.py"); "U011_0")]
    #[test_case(CheckCode::U011, Path::new("U011_1.py"); "U011_1")]
    #[test_case(CheckCode::U012, Path::new("U012.py"); "U012")]
+    #[test_case(CheckCode::U013, Path::new("U013.py"); "U013")]
+    #[test_case(CheckCode::U014, Path::new("U014.py"); "U014")]
    #[test_case(CheckCode::W292, Path::new("W292_0.py"); "W292_0")]
    #[test_case(CheckCode::W292, Path::new("W292_1.py"); "W292_1")]
    #[test_case(CheckCode::W292, Path::new("W292_2.py"); "W292_2")]
@@ -510,6 +526,13 @@ mod tests {
    #[test_case(CheckCode::RUF001, Path::new("RUF001.py"); "RUF001")]
    #[test_case(CheckCode::RUF002, Path::new("RUF002.py"); "RUF002")]
    #[test_case(CheckCode::RUF003, Path::new("RUF003.py"); "RUF003")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_0.py"); "RUF101_0")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_1.py"); "RUF101_1")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_2.py"); "RUF101_2")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_3.py"); "RUF101_3")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_4.py"); "RUF101_4")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_5.py"); "RUF101_5")]
+    #[test_case(CheckCode::RUF101, Path::new("RUF101_6.py"); "RUF101_6")]
    #[test_case(CheckCode::YTT101, Path::new("YTT101.py"); "YTT101")]
    #[test_case(CheckCode::YTT102, Path::new("YTT102.py"); "YTT102")]
    #[test_case(CheckCode::YTT103, Path::new("YTT103.py"); "YTT103")]
@@ -520,6 +543,9 @@ mod tests {
    #[test_case(CheckCode::YTT301, Path::new("YTT301.py"); "YTT301")]
    #[test_case(CheckCode::YTT302, Path::new("YTT302.py"); "YTT302")]
    #[test_case(CheckCode::YTT303, Path::new("YTT303.py"); "YTT303")]
+    #[test_case(CheckCode::FBT001, Path::new("FBT.py"); "FBT001")]
+    #[test_case(CheckCode::FBT002, Path::new("FBT.py"); "FBT002")]
+    #[test_case(CheckCode::FBT003, Path::new("FBT.py"); "FBT003")]
    fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
        let snapshot = format!("{}_{}", check_code.as_ref(), path.to_string_lossy());
        let mut checks = test_path(
--- a/src/main.rs
+++ b/src/main.rs
@@ -4,10 +4,9 @@ use std::process::ExitCode;
 use std::sync::mpsc::channel;
 use std::time::Instant;

-#[cfg(not(target_family = "wasm"))]
 use ::ruff::cache;
 use ::ruff::checks::{CheckCode, CheckKind};
-use ::ruff::cli::{collect_per_file_ignores, extract_log_level, warn_on, Cli, Warnable};
+use ::ruff::cli::{collect_per_file_ignores, extract_log_level, Cli};
 use ::ruff::fs::iter_python_files;
 use ::ruff::linter::{add_noqa_to_path, autoformat_path, lint_path, lint_stdin};
 use ::ruff::logging::{set_up_logging, LogLevel};
@@ -117,6 +116,7 @@ fn run_once(
                            location: Default::default(),
                            end_location: Default::default(),
                            filename: path.to_string_lossy().to_string(),
+                            source: None,
                        }]
                    } else {
                        error!("Failed to check {}: {message}", path.to_string_lossy());
@@ -219,12 +219,12 @@ fn inner_main() -> Result<ExitCode> {
        .exclude
        .iter()
        .map(|path| FilePattern::from_user(path, project_root.as_ref()))
-        .collect();
+        .collect::<Result<_>>()?;
    let extend_exclude: Vec<FilePattern> = cli
        .extend_exclude
        .iter()
        .map(|path| FilePattern::from_user(path, project_root.as_ref()))
-        .collect();
+        .collect::<Result<_>>()?;

    let mut configuration =
        Configuration::from_pyproject(pyproject.as_ref(), project_root.as_ref())?;
@@ -236,28 +236,12 @@ fn inner_main() -> Result<ExitCode> {
    }
    if !cli.per_file_ignores.is_empty() {
        configuration.per_file_ignores =
-            collect_per_file_ignores(cli.per_file_ignores, project_root.as_ref());
+            collect_per_file_ignores(cli.per_file_ignores, project_root.as_ref())?;
    }
    if !cli.select.is_empty() {
-        warn_on(
-            Warnable::Select,
-            &cli.select,
-            &cli.ignore,
-            &cli.extend_ignore,
-            &configuration,
-            pyproject.as_ref(),
-        );
        configuration.select = cli.select;
    }
    if !cli.extend_select.is_empty() {
-        warn_on(
-            Warnable::ExtendSelect,
-            &cli.extend_select,
-            &cli.ignore,
-            &cli.extend_ignore,
-            &configuration,
-            pyproject.as_ref(),
-        );
        configuration.extend_select = cli.extend_select;
    }
    if !cli.ignore.is_empty() {
@@ -266,9 +250,18 @@ fn inner_main() -> Result<ExitCode> {
    if !cli.extend_ignore.is_empty() {
        configuration.extend_ignore = cli.extend_ignore;
    }
+    if !cli.fixable.is_empty() {
+        configuration.fixable = cli.fixable;
+    }
+    if !cli.unfixable.is_empty() {
+        configuration.unfixable = cli.unfixable;
+    }
    if let Some(line_length) = cli.line_length {
        configuration.line_length = line_length;
    }
+    if let Some(max_complexity) = cli.max_complexity {
+        configuration.mccabe.max_complexity = max_complexity;
+    }
    if let Some(target_version) = cli.target_version {
        configuration.target_version = target_version;
    }
@@ -278,6 +271,9 @@ fn inner_main() -> Result<ExitCode> {
    if let Some(fix) = fix {
        configuration.fix = fix;
    }
+    if cli.show_source {
+        configuration.show_source = true;
+    }

    if cli.show_settings && cli.show_files {
        eprintln!("Error: specify --show-settings or show-files (not both).");
@@ -289,7 +285,7 @@ fn inner_main() -> Result<ExitCode> {
    }

    // Extract settings for internal use.
-    let autofix = configuration.fix;
+    let fix_enabled: bool = configuration.fix;
    let settings = Settings::from_configuration(configuration);

    if cli.show_files {
@@ -297,12 +293,16 @@ fn inner_main() -> Result<ExitCode> {
        return Ok(ExitCode::SUCCESS);
    }

-    #[cfg(not(target_family = "wasm"))]
-    cache::init()?;
+    // Initialize the cache.
+    let mut cache_enabled: bool = !cli.no_cache;
+    if cache_enabled && cache::init().is_err() {
+        eprintln!("Unable to initialize cache; disabling...");
+        cache_enabled = false;
+    }

    let printer = Printer::new(&cli.format, &log_level);
    if cli.watch {
-        if autofix {
+        if fix_enabled {
            eprintln!("Warning: --fix is not enabled in watch mode.");
        }

@@ -322,7 +322,7 @@ fn inner_main() -> Result<ExitCode> {
        printer.clear_screen()?;
        printer.write_to_user("Starting linter in watch mode...\n");

-        let messages = run_once(&cli.files, &settings, !cli.no_cache, false)?;
+        let messages = run_once(&cli.files, &settings, cache_enabled, false)?;
        printer.write_continuously(&messages)?;

        // Configure the file watcher.
@@ -340,7 +340,7 @@ fn inner_main() -> Result<ExitCode> {
                            printer.clear_screen()?;
                            printer.write_to_user("File change detected...\n");

-                            let messages = run_once(&cli.files, &settings, !cli.no_cache, false)?;
+                            let messages = run_once(&cli.files, &settings, cache_enabled, false)?;
                            printer.write_continuously(&messages)?;
                        }
                    }
@@ -365,15 +365,15 @@ fn inner_main() -> Result<ExitCode> {
        let messages = if is_stdin {
            let filename = cli.stdin_filename.unwrap_or_else(|| "-".to_string());
            let path = Path::new(&filename);
-            run_once_stdin(&settings, path, autofix)?
+            run_once_stdin(&settings, path, fix_enabled)?
        } else {
-            run_once(&cli.files, &settings, !cli.no_cache, autofix)?
+            run_once(&cli.files, &settings, cache_enabled, fix_enabled)?
        };

        // Always try to print violations (the printer itself may suppress output),
        // unless we're writing fixes via stdin (in which case, the transformed
        // source code goes to stdout).
-        if !(is_stdin && autofix) {
+        if !(is_stdin && fix_enabled) {
            printer.write_once(&messages)?;
        }

--- a/src/mccabe/checks.rs
+++ b/src/mccabe/checks.rs
@@ -0,0 +1,304 @@
+use rustpython_ast::{ExcepthandlerKind, ExprKind, Stmt, StmtKind};
+
+use crate::ast::types::Range;
+use crate::checks::{Check, CheckKind};
+
+fn get_complexity_number(stmts: &[Stmt]) -> usize {
+    let mut complexity = 0;
+    for stmt in stmts {
+        match &stmt.node {
+            StmtKind::If { body, orelse, .. } => {
+                complexity += 1;
+                complexity += get_complexity_number(body);
+                complexity += get_complexity_number(orelse);
+            }
+            StmtKind::For { body, orelse, .. } | StmtKind::AsyncFor { body, orelse, .. } => {
+                complexity += 1;
+                complexity += get_complexity_number(body);
+                complexity += get_complexity_number(orelse);
+            }
+            StmtKind::While { test, body, orelse } => {
+                complexity += 1;
+                complexity += get_complexity_number(body);
+                complexity += get_complexity_number(orelse);
+                if let ExprKind::BoolOp { .. } = &test.node {
+                    complexity += 1;
+                }
+            }
+            StmtKind::Try {
+                body,
+                handlers,
+                orelse,
+                finalbody,
+            } => {
+                complexity += 1;
+                complexity += get_complexity_number(body);
+                complexity += get_complexity_number(orelse);
+                complexity += get_complexity_number(finalbody);
+                for handler in handlers {
+                    complexity += 1;
+                    let ExcepthandlerKind::ExceptHandler { body, .. } = &handler.node;
+                    complexity += get_complexity_number(body);
+                }
+            }
+            StmtKind::FunctionDef { body, .. } | StmtKind::AsyncFunctionDef { body, .. } => {
+                complexity += 1;
+                complexity += get_complexity_number(body);
+            }
+            StmtKind::ClassDef { body, .. } => {
+                complexity += get_complexity_number(body);
+            }
+            _ => {}
+        }
+    }
+    complexity
+}
+
+pub fn function_is_too_complex(
+    stmt: &Stmt,
+    name: &str,
+    body: &[Stmt],
+    max_complexity: usize,
+) -> Option<Check> {
+    let complexity = get_complexity_number(body) + 1;
+    if complexity > max_complexity {
+        Some(Check::new(
+            CheckKind::FunctionIsTooComplex(name.to_string(), complexity),
+            Range::from_located(stmt),
+        ))
+    } else {
+        None
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use anyhow::Result;
+    use rustpython_parser::parser;
+
+    use crate::mccabe::checks::get_complexity_number;
+
+    #[test]
+    fn trivial() -> Result<()> {
+        let source = r#"
+def trivial():
+    pass
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 1);
+        Ok(())
+    }
+
+    #[test]
+    fn expr_as_statement() -> Result<()> {
+        let source = r#"
+def expr_as_statement():
+    0xF00D
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 1);
+        Ok(())
+    }
+
+    #[test]
+    fn sequential() -> Result<()> {
+        let source = r#"
+def sequential(n):
+    k = n + 4
+    s = k + n
+    return s
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 1);
+        Ok(())
+    }
+
+    #[test]
+    fn if_elif_else_dead_path() -> Result<()> {
+        let source = r#"
+def if_elif_else_dead_path(n):
+    if n > 3:
+        return "bigger than three"
+    elif n > 4:
+        return "is never executed"
+    else:
+        return "smaller than or equal to three"
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 3);
+        Ok(())
+    }
+
+    #[test]
+    fn nested_ifs() -> Result<()> {
+        let source = r#"
+def nested_ifs():
+    if n > 3:
+        if n > 4:
+            return "bigger than four"
+        else:
+            return "bigger than three"
+    else:
+        return "smaller than or equal to three"
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 3);
+        Ok(())
+    }
+
+    #[test]
+    fn for_loop() -> Result<()> {
+        let source = r#"
+def for_loop():
+    for i in range(10):
+        print(i)
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 2);
+        Ok(())
+    }
+
+    #[test]
+    fn for_else() -> Result<()> {
+        let source = r#"
+def for_else(mylist):
+    for i in mylist:
+        print(i)
+    else:
+        print(None)
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 2);
+        Ok(())
+    }
+
+    #[test]
+    fn recursive() -> Result<()> {
+        let source = r#"
+def recursive(n):
+    if n > 4:
+        return f(n - 1)
+    else:
+        return n
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 2);
+        Ok(())
+    }
+
+    #[test]
+    fn nested_functions() -> Result<()> {
+        let source = r#"
+def nested_functions():
+    def a():
+        def b():
+            pass
+
+        b()
+
+    a()
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 3);
+        Ok(())
+    }
+
+    #[test]
+    fn try_else() -> Result<()> {
+        let source = r#"
+def try_else():
+    try:
+        print(1)
+    except TypeA:
+        print(2)
+    except TypeB:
+        print(3)
+    else:
+        print(4)
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 4);
+        Ok(())
+    }
+
+    #[test]
+    fn nested_try_finally() -> Result<()> {
+        let source = r#"
+def nested_try_finally():
+    try:
+        try:
+            print(1)
+        finally:
+            print(2)
+    finally:
+        print(3)
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 3);
+        Ok(())
+    }
+
+    #[test]
+    fn foobar() -> Result<()> {
+        let source = r#"
+async def foobar(a, b, c):
+    await whatever(a, b, c)
+    if await b:
+        pass
+    async with c:
+        pass
+    async for x in a:
+        pass
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 3);
+        Ok(())
+    }
+
+    #[test]
+    fn annotated_assign() -> Result<()> {
+        let source = r#"
+def annotated_assign():
+    x: Any = None
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 1);
+        Ok(())
+    }
+
+    #[test]
+    fn class() -> Result<()> {
+        let source = r#"
+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())
+"#;
+        let stmts = parser::parse_program(source, "<filename>")?;
+        assert_eq!(get_complexity_number(&stmts), 9);
+        Ok(())
+    }
+}
--- a/src/mccabe/mod.rs
+++ b/src/mccabe/mod.rs
@@ -0,0 +1,33 @@
+pub mod checks;
+pub mod settings;
+
+#[cfg(test)]
+mod tests {
+    use std::path::Path;
+
+    use anyhow::Result;
+    use test_case::test_case;
+
+    use crate::autofix::fixer;
+    use crate::checks::CheckCode;
+    use crate::linter::test_path;
+    use crate::{mccabe, Settings};
+
+    #[test_case(0)]
+    #[test_case(3)]
+    #[test_case(10)]
+    fn max_complexity_zero(max_complexity: usize) -> Result<()> {
+        let snapshot = format!("max_complexity_{}", max_complexity);
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/C901.py"),
+            &Settings {
+                mccabe: mccabe::settings::Settings { max_complexity },
+                ..Settings::for_rules(vec![CheckCode::C901])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
+}
--- a/src/mccabe/settings.rs
+++ b/src/mccabe/settings.rs
@@ -0,0 +1,28 @@
+//! Settings for the `mccabe` plugin.
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+pub struct Options {
+    pub max_complexity: Option<usize>,
+}
+
+#[derive(Debug, Hash)]
+pub struct Settings {
+    pub max_complexity: usize,
+}
+
+impl Settings {
+    pub fn from_options(options: Options) -> Self {
+        Self {
+            max_complexity: options.max_complexity.unwrap_or_default(),
+        }
+    }
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self { max_complexity: 10 }
+    }
+}
--- a/src/mccabe/snapshots/ruffmccabetests__max_complexity_0.snap
+++ b/src/mccabe/snapshots/ruffmccabetests__max_complexity_0.snap
@@ -0,0 +1,247 @@
+---
+source: src/mccabe/mod.rs
+expression: checks
+---
+- kind:
+    FunctionIsTooComplex:
+      - trivial
+      - 1
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 7
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - expr_as_statement
+      - 1
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 12
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - sequential
+      - 1
+  location:
+    row: 12
+    column: 0
+  end_location:
+    row: 19
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - if_elif_else_dead_path
+      - 3
+  location:
+    row: 19
+    column: 0
+  end_location:
+    row: 29
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - nested_ifs
+      - 3
+  location:
+    row: 29
+    column: 0
+  end_location:
+    row: 40
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - for_loop
+      - 2
+  location:
+    row: 40
+    column: 0
+  end_location:
+    row: 46
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - for_else
+      - 2
+  location:
+    row: 46
+    column: 0
+  end_location:
+    row: 54
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - recursive
+      - 2
+  location:
+    row: 54
+    column: 0
+  end_location:
+    row: 62
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - nested_functions
+      - 3
+  location:
+    row: 62
+    column: 0
+  end_location:
+    row: 73
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - a
+      - 2
+  location:
+    row: 63
+    column: 4
+  end_location:
+    row: 69
+    column: 4
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - b
+      - 1
+  location:
+    row: 64
+    column: 8
+  end_location:
+    row: 67
+    column: 8
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - try_else
+      - 4
+  location:
+    row: 73
+    column: 0
+  end_location:
+    row: 85
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - nested_try_finally
+      - 3
+  location:
+    row: 85
+    column: 0
+  end_location:
+    row: 96
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - foobar
+      - 3
+  location:
+    row: 96
+    column: 0
+  end_location:
+    row: 107
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - annotated_assign
+      - 1
+  location:
+    row: 107
+    column: 0
+  end_location:
+    row: 112
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - handle
+      - 9
+  location:
+    row: 113
+    column: 4
+  end_location:
+    row: 139
+    column: 0
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - a
+      - 1
+  location:
+    row: 118
+    column: 12
+  end_location:
+    row: 121
+    column: 12
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - b
+      - 2
+  location:
+    row: 121
+    column: 12
+  end_location:
+    row: 125
+    column: 8
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - c
+      - 1
+  location:
+    row: 126
+    column: 12
+  end_location:
+    row: 129
+    column: 12
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - error
+      - 1
+  location:
+    row: 129
+    column: 12
+  end_location:
+    row: 132
+    column: 12
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - info
+      - 1
+  location:
+    row: 132
+    column: 12
+  end_location:
+    row: 135
+    column: 12
+  fix: ~
+- kind:
+    FunctionIsTooComplex:
+      - exception
+      - 1
+  location:
+    row: 135
+    column: 12
+  end_location:
+    row: 138
+    column: 8
+  fix: ~
+
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
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
Charlie Marsh	89afc9db74	Bump version to 0.0.128	2022-11-18 18:50:03 -05:00
Charlie Marsh	0f34cdb7a3	Enable customization of autofixable error codes (#811 )	2022-11-18 18:49:13 -05:00
Charlie Marsh	437b6f23b9	Remove warn_on checks (#812 )	2022-11-18 18:48:24 -05:00
Charlie Marsh	0fe2b15676	Change NotInTest to NotIsTest	2022-11-18 18:23:40 -05:00
Harutaka Kawamura	e81efa5a3d	Implement a `--show-source` setting (#698 )	2022-11-18 14:02:29 -05:00
Charlie Marsh	49559da54e	Bump version to 0.0.127	2022-11-18 13:31:22 -05:00
Jonathan Plasse	b74fd1fe13	Change error code of flake8-blind-except (#808 )	2022-11-18 13:30:36 -05:00
Charlie Marsh	9c4d24a452	Add flake8-boolean-trap to README	2022-11-18 12:36:13 -05:00
pwoolvett	7a4449eacb	Add flake8-boolean-trap (#790 )	2022-11-18 12:30:07 -05:00
Charlie Marsh	ee31fa6109	Reduce newlines in code gen (#807 )	2022-11-18 12:27:56 -05:00
Harutaka Kawamura	6ffe767252	Implement autofix for E713 and E714 (#804 )	2022-11-18 12:16:11 -05:00
Jonathan Plasse	2f894e3951	Add flake8-blind-except (#805 )	2022-11-18 12:15:10 -05:00
Charlie Marsh	589d923c99	Misc. follow-ups to #716 (#806 )	2022-11-18 12:14:41 -05:00
Martin Lehoux	c5722d8a4d	Implement U013: Unnecessary TypedDict syntactic form (#716 )	2022-11-18 12:10:47 -05:00
Jonathan Plasse	c2d6307e9b	Add missing plugins in some sections of README.md (#802 )	2022-11-18 09:28:33 -05:00
Edgar R. M	f44fada446	Implement C901 (mccabe) (#765 )	2022-11-17 17:40:50 -05:00
Charlie Marsh	6a6f4651aa	Bump version to 0.0.126	2022-11-17 17:19:19 -05:00
Charlie Marsh	66ae4db6cd	Ignore globals when checking local variable names (#800 )	2022-11-17 17:19:01 -05:00
Charlie Marsh	801c76037f	Except BaseException from N818 checks (#798 )	2022-11-17 15:04:42 -05:00
Charlie Marsh	ab825eb28d	Fix D202 to remove line after docstring (#797 )	2022-11-17 15:01:58 -05:00
Charlie Marsh	826ef7da67	Trigger N818 when parent ends in Error or Exception (#796 )	2022-11-17 14:51:40 -05:00
Charlie Marsh	72f5393d3a	Add flake8-tidy-imports to cache key	2022-11-17 14:46:45 -05:00
Charlie Marsh	6602f7f489	Trim dedented sections for arg detection (#793 )	2022-11-17 12:55:55 -05:00
Charlie Marsh	aafddae644	Bump version to 0.0.125	2022-11-17 12:07:05 -05:00
Charlie Marsh	749df87de0	Tweak presentation of `null-ls` and `efm` docs (#791 )	2022-11-17 12:04:11 -05:00
Eddie Bergman	d67db33f22	docs(integrations): neovim `null-ls` integration (#782 )	2022-11-17 11:55:08 -05:00
Charlie Marsh	f0a54716e5	Implement flake8-tidy-imports (#789 )	2022-11-17 11:44:06 -05:00
Harutaka Kawamura	c59e1ff0b5	Implement auto-fix for E711 and E712 (#784 )	2022-11-17 11:43:44 -05:00
Jonathan Plasse	ecf858cf16	Add the tools identifier in the TOC (#779 )	2022-11-17 11:34:32 -05:00
Jonathan Plasse	8063aee006	Remove unnecessary abspath rule (U002) (#781 )	2022-11-17 11:29:42 -05:00
Anders Kaseorg	f1fee5d240	Propagate exit code through Python __main__ wrapper (#776 )	2022-11-16 16:16:58 -05:00
Anders Kaseorg	d3155560df	Fix find_and_parse_pyproject_toml test for #772 (#774 )	2022-11-16 13:47:25 -05:00