Bump version to 0.0.164

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.158
+    rev: v0.0.164
     hooks:
       - id: ruff
 

Cargo.lock

@@ -21,9 +21,9 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.19"
+version = "0.7.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
+checksum = "cc936419f96fa211c1b9166887b38e5e40b19958e5b895be7c1f93adec7071ac"
 dependencies = [
  "memchr",
 ]
@@ -82,9 +82,9 @@ dependencies = [
 
 [[package]]
 name = "assert_cmd"
-version = "2.0.6"
+version = "2.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba45b8163c49ab5f972e59a8a5a03b6d2972619d486e19ec9fe744f7c2753d3c"
+checksum = "fa3d466004a8b4cb1bc34044240a2fd29d17607e2e3bd613eb44fd48e8100da3"
 dependencies = [
  "bstr 1.0.1",
  "doc-comment",
@@ -100,9 +100,9 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.1.19",
  "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -193,9 +193,9 @@ checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
 
 [[package]]
 name = "cc"
-version = "1.0.75"
+version = "1.0.77"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41ca34107f97baef6cfb231b32f36115781856b8f8208e8c580e0bcaea374842"
+checksum = "e9f73505338f7d905b19d18738976aae232eb46b8efc15554ffc56deb5d9ebe4"
 
 [[package]]
 name = "cfg-if"
@@ -230,7 +230,7 @@ dependencies = [
  "num-traits",
  "time",
  "wasm-bindgen",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -280,14 +280,14 @@ dependencies = [
 
 [[package]]
 name = "clap"
-version = "4.0.22"
+version = "4.0.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "91b9970d7505127a162fdaa9b96428d28a479ba78c9ec7550a63a5d9863db682"
+checksum = "4d63b9e9c07271b9957ad22c173bae2a4d9a81127680962039296abcd2f8251d"
 dependencies = [
- "atty",
  "bitflags",
  "clap_derive",
  "clap_lex 0.3.0",
+ "is-terminal",
  "once_cell",
  "strsim",
  "termcolor",
@@ -299,7 +299,7 @@ version = "4.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7b3c9eae0de7bf8e3f904a5e40612b21fb2e2e566456d177809a48b892d24da"
 dependencies = [
- "clap 4.0.22",
+ "clap 4.0.29",
 ]
 
 [[package]]
@@ -308,7 +308,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4160b4a4f72ef58bd766bad27c09e6ef1cc9d82a22f6a0f55d152985a4a48e31"
 dependencies = [
- "clap 4.0.22",
+ "clap 4.0.29",
  "clap_complete",
  "clap_complete_fig",
 ]
@@ -319,7 +319,7 @@ version = "4.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "46b30e010e669cd021e5004f3be26cff6b7c08d2a8a0d65b48d43a8cc0efd6c3"
 dependencies = [
- "clap 4.0.22",
+ "clap 4.0.29",
  "clap_complete",
 ]
 
@@ -364,7 +364,7 @@ dependencies = [
  "terminfo",
  "thiserror",
  "which",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -394,7 +394,7 @@ checksum = "b3616f750b84d8f0de8a58bda93e08e2a81ad3f523089b05f1dffecab48c6cbd"
 dependencies = [
  "atty",
  "lazy_static",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -419,7 +419,7 @@ dependencies = [
  "lazy_static",
  "libc",
  "terminal_size",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -496,9 +496,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.11"
+version = "0.9.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f916dfc5d356b0ed9dae65f1db9fc9770aa2851d2662b988ccf4fe3516e86348"
+checksum = "01a9af1f4c2ef74bb8aa1f7e19706bc72d03598c8a570bb5de72243c7a9d9d5a"
 dependencies = [
  "autocfg",
  "cfg-if 1.0.0",
@@ -509,9 +509,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.8.12"
+version = "0.8.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"
+checksum = "4fb766fa798726286dbbb842f174001dab8abc7b627a1dd86e0b7222a95d929f"
 dependencies = [
  "cfg-if 1.0.0",
 ]
@@ -524,9 +524,9 @@ checksum = "7a81dae078cea95a014a339291cec439d2f232ebe854a9d672b796c6afafa9b7"
 
 [[package]]
 name = "cxx"
-version = "1.0.81"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97abf9f0eca9e52b7f81b945524e76710e6cb2366aead23b7d4fbf72e281f888"
+checksum = "bdf07d07d6531bfcdbe9b8b739b104610c6508dcc4d63b410585faf338241daf"
 dependencies = [
  "cc",
  "cxxbridge-flags",
@@ -536,9 +536,9 @@ dependencies = [
 
 [[package]]
 name = "cxx-build"
-version = "1.0.81"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cc32cc5fea1d894b77d269ddb9f192110069a8a9c1f1d441195fba90553dea3"
+checksum = "d2eb5b96ecdc99f72657332953d4d9c50135af1bac34277801cc3937906ebd39"
 dependencies = [
  "cc",
  "codespan-reporting",
@@ -551,15 +551,15 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.81"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8ca220e4794c934dc6b1207c3b42856ad4c302f2df1712e9f8d2eec5afaacf1f"
+checksum = "ac040a39517fd1674e0f32177648334b0f4074625b5588a64519804ba0553b12"
 
 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.81"
+version = "1.0.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b846f081361125bfc8dc9d3940c84e1fd83ba54bbca7b17cd29483c828be0704"
+checksum = "1362b0ddcfc4eb0a1f57b68bd77dd99f0e826958a96abd0ae9bd092e114ffed6"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -624,7 +624,7 @@ checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
 dependencies = [
  "libc",
  "redox_users",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -635,7 +635,7 @@ checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
 dependencies = [
  "libc",
  "redox_users",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -665,6 +665,27 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
 
+[[package]]
+name = "errno"
+version = "0.2.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f639046355ee4f37944e44f60642c6f3a7efa3cf6b78c78a0d989a8ce6c396a1"
+dependencies = [
+ "errno-dragonfly",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "errno-dragonfly"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa68f1b12764fab894d2755d2518754e71b4fd80ecfb822714a1206c2aab39bf"
+dependencies = [
+ "cc",
+ "libc",
+]
+
 [[package]]
 name = "fastrand"
 version = "1.8.0"
@@ -703,10 +724,10 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "flake8-to-ruff"
-version = "0.0.158-dev.0"
+version = "0.0.164-dev.0"
 dependencies = [
  "anyhow",
- "clap 4.0.22",
+ "clap 4.0.29",
  "configparser",
  "once_cell",
  "regex",
@@ -719,9 +740,9 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.24"
+version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f82b0f4c27ad9f8bfd1f3208d882da2b09c301bc1c828fd3a00d0216d2fbbff6"
+checksum = "a8a2db397cb1c8772f31494cb8917e48cd1e64f0fa7efac59fbd741a0a8ce841"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
@@ -742,41 +763,15 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "fsevent"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5ab7d1bd1bd33cc98b0889831b72da23c0aa4df9cec7e0702f46ecea04b35db6"
-dependencies = [
- "bitflags",
- "fsevent-sys",
-]
-
 [[package]]
 name = "fsevent-sys"
-version = "2.0.1"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f41b048a94555da0f42f1d632e2e19510084fb8e303b0daa2816e733fb3644a0"
+checksum = "76ee7a02da4d231650c7cea31349b889be2f45ddb3ef3032d2ec8185f6313fd2"
 dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
-dependencies = [
- "bitflags",
- "fuchsia-zircon-sys",
-]
-
-[[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
-
 [[package]]
 name = "getrandom"
 version = "0.1.16"
@@ -844,6 +839,15 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hermit-abi"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ee512640fe35acbfb4bb779db6f0d80704c2cacfa2e39b601ef3e3f47d1ae4c7"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "hexf-parse"
 version = "0.2.1"
@@ -861,7 +865,7 @@ dependencies = [
  "iana-time-zone-haiku",
  "js-sys",
  "wasm-bindgen",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -896,9 +900,9 @@ dependencies = [
 
 [[package]]
 name = "inotify"
-version = "0.7.1"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4816c66d2c8ae673df83366c18341538f234a26d65a9ecea5c348b453ac1d02f"
+checksum = "f8069d3ec154eb856955c1c0fbffefbf5f3c40a104ec912d4797314c1801abff"
 dependencies = [
  "bitflags",
  "inotify-sys",
@@ -916,9 +920,9 @@ dependencies = [
 
 [[package]]
 name = "insta"
-version = "1.21.0"
+version = "1.22.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "581d4e3314cae4536e5d22ffd23189d4a374696c5ef733eadafae0ed273fd303"
+checksum = "197f4e300af8b23664d4077bf5c40e0afa9ba66a567bb5a51d3def3c7b287d1c"
 dependencies = [
  "console",
  "lazy_static",
@@ -938,12 +942,25 @@ dependencies = [
 ]
 
 [[package]]
-name = "iovec"
-version = "0.1.4"
+name = "io-lifetimes"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
+checksum = "46112a93252b123d31a119a8d1a1ac19deac4fac6e0e8b0df58f0d4e5870e63c"
 dependencies = [
  "libc",
+ "windows-sys",
+]
+
+[[package]]
+name = "is-terminal"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "927609f78c2913a6f6ac3c27a4fe87f43e2a35367c0c4b0f8265e8f49a104330"
+dependencies = [
+ "hermit-abi 0.2.6",
+ "io-lifetimes",
+ "rustix",
+ "windows-sys",
 ]
 
 [[package]]
@@ -977,13 +994,23 @@ dependencies = [
 ]
 
 [[package]]
-name = "kernel32-sys"
-version = "0.2.2"
+name = "kqueue"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+checksum = "2c8fc60ba15bf51257aa9807a48a61013db043fcf3a78cb0d916e8e396dcad98"
 dependencies = [
- "winapi 0.2.8",
- "winapi-build",
+ "kqueue-sys",
+ "libc",
+]
+
+[[package]]
+name = "kqueue-sys"
+version = "1.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8367585489f01bc55dd27404dcf56b95e6da061a256a666ab23be9ba96a2e587"
+dependencies = [
+ "bitflags",
+ "libc",
 ]
 
 [[package]]
@@ -1024,12 +1051,6 @@ version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
-[[package]]
-name = "lazycell"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
-
 [[package]]
 name = "lexical-parse-float"
 version = "0.8.5"
@@ -1062,9 +1083,9 @@ dependencies = [
 
 [[package]]
 name = "libc"
-version = "0.2.137"
+version = "0.2.138"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc7fcc620a3bff7cdd7a365be3376c97191aeaccc2a603e600951e452615bf89"
+checksum = "db6d7e329c562c5dfab7a46a2afabc8b987ab9a4834c9d1ca04dc54c1546cef8"
 
 [[package]]
 name = "libcst"
@@ -1105,6 +1126,12 @@ version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"
 
+[[package]]
+name = "linux-raw-sys"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f9f08d8963a6c613f4b1a78f4f4a4dbfadf8e6545b2d72861731e4858b8b47f"
+
 [[package]]
 name = "lock_api"
 version = "0.4.9"
@@ -1147,74 +1174,32 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"
 
 [[package]]
 name = "memoffset"
-version = "0.6.5"
+version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aa361d4faea93603064a027415f07bd8e1d5c88c9fbf68bf56a285428fd79ce"
+checksum = "5de893c32cde5f383baa4c04c5d6dbdd735cfd4a794b0debdb2bb1b421da5ff4"
 dependencies = [
  "autocfg",
 ]
 
 [[package]]
 name = "miniz_oxide"
-version = "0.5.4"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "96590ba8f175222643a85693f33d26e9c8a015f599c216509b1a6894af675d34"
+checksum = "b275950c28b37e794e8c55d88aeb5e139d0ce23fdbbeda68f8d7174abdf9e8fa"
 dependencies = [
  "adler",
 ]
 
 [[package]]
 name = "mio"
-version = "0.6.23"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
+checksum = "e5d732bc30207a6423068df043e3d02e0735b155ad7ce1a6f76fe2baa5b158de"
 dependencies = [
- "cfg-if 0.1.10",
- "fuchsia-zircon",
- "fuchsia-zircon-sys",
- "iovec",
- "kernel32-sys",
  "libc",
  "log",
- "miow",
- "net2",
- "slab",
- "winapi 0.2.8",
-]
-
-[[package]]
-name = "mio-extras"
-version = "2.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52403fe290012ce777c4626790c8951324a2b9e3316b3143779c72b029742f19"
-dependencies = [
- "lazycell",
- "log",
- "mio",
- "slab",
-]
-
-[[package]]
-name = "miow"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
-dependencies = [
- "kernel32-sys",
- "net2",
- "winapi 0.2.8",
- "ws2_32-sys",
-]
-
-[[package]]
-name = "net2"
-version = "0.2.38"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "74d0df99cfcd2530b2e694f6e17e7f37b8e26bb23983ac530c0c97408837c631"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "winapi 0.3.9",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys",
 ]
 
 [[package]]
@@ -1231,9 +1216,9 @@ checksum = "d906846a98739ed9d73d66e62c2641eef8321f1734b7a1156ab045a0248fb2b3"
 
 [[package]]
 name = "nix"
-version = "0.24.2"
+version = "0.24.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "195cdbc1741b8134346d515b3a56a1c94b0912758009cfd53f99ea0f57b065fc"
+checksum = "fa52e972a9a719cecb6864fb88568781eb706bac2cd1d4f04a648542dbf78069"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
@@ -1258,20 +1243,20 @@ dependencies = [
 
 [[package]]
 name = "notify"
-version = "4.0.17"
+version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ae03c8c853dba7bfd23e571ff0cff7bc9dceb40a4cd684cd1681824183f45257"
+checksum = "ed2c66da08abae1c024c01d635253e402341b4060a12e99b31c7594063bf490a"
 dependencies = [
  "bitflags",
+ "crossbeam-channel",
  "filetime",
- "fsevent",
  "fsevent-sys",
  "inotify",
+ "kqueue",
  "libc",
  "mio",
- "mio-extras",
  "walkdir",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -1321,7 +1306,7 @@ version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f6058e64324c71e02bc2b150e4f3bc8286db6c83092132ffa3f6b1eab0f9def5"
 dependencies = [
- "hermit-abi",
+ "hermit-abi 0.1.19",
  "libc",
 ]
 
@@ -1339,9 +1324,9 @@ checksum = "0ab1bc2a289d34bd04a330323ac98a1b4bc82c9d9fcb1e66b63caa84da26b575"
 
 [[package]]
 name = "os_str_bytes"
-version = "6.3.1"
+version = "6.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3baf96e39c5359d2eb0dd6ccb42c62b91d9678aa68160d261b9e0ccbf9e9dea9"
+checksum = "9b7820b9daea5457c9f21c69448905d723fbd21136ccf521748f23fd49e723ee"
 
 [[package]]
 name = "parking_lot"
@@ -1355,9 +1340,9 @@ dependencies = [
 
 [[package]]
 name = "parking_lot_core"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4dc9e0dc2adc1c69d09143aff38d3d30c5c3f0df0dad82e6d25547af174ebec0"
+checksum = "7ff9f3fef3968a3ec5945535ed654cb38ff72d7495a25619e2247fb15a2ed9ba"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -1557,9 +1542,9 @@ checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
 
 [[package]]
 name = "predicates"
-version = "2.1.2"
+version = "2.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab68289ded120dcbf9d571afcf70163233229052aec9b08ab09532f698d0e1e6"
+checksum = "f54fc5dc63ed3bbf19494623db4f3af16842c0d975818e469022d09e53f0aa05"
 dependencies = [
  "difflib",
  "itertools",
@@ -1568,15 +1553,15 @@ dependencies = [
 
 [[package]]
 name = "predicates-core"
-version = "1.0.4"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a6e7125585d872860e9955ca571650b27a4979c5823084168c5ed5bbfb016b56"
+checksum = "72f883590242d3c6fc5bf50299011695fa6590c2c70eac95ee1bdb9a733ad1a2"
 
 [[package]]
 name = "predicates-tree"
-version = "1.0.6"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad3f7fa8d61e139cbc7c3edfebf3b6678883a53f5ffac65d1259329a93ee43a5"
+checksum = "54ff541861505aabf6ea722d2131ee980b8276e10a1297b94e896dd8b621850d"
 dependencies = [
  "predicates-core",
  "termtree",
@@ -1736,11 +1721,10 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.5.3"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bd99e5772ead8baa5215278c9b15bf92087709e9c1b2d1f97cdb5a183c933a7d"
+checksum = "1e060280438193c554f654141c9ea9417886713b7acd75974c85b18a69a88e0b"
 dependencies = [
- "autocfg",
  "crossbeam-deque",
  "either",
  "rayon-core",
@@ -1748,9 +1732,9 @@ dependencies = [
 
 [[package]]
 name = "rayon-core"
-version = "1.9.3"
+version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "258bcdb5ac6dad48491bb2992db6b7cf74878b0384908af124823d118c99683f"
+checksum = "cac410af5d00ab6884528b4ab69d1e8e146e8d471201800fa1b4524126de6ad3"
 dependencies = [
  "crossbeam-channel",
  "crossbeam-deque",
@@ -1807,7 +1791,7 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3acd125665422973a33ac9d3dd2df85edad0f4ae9b00dafb1a05e43a9f5ef8e7"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -1822,7 +1806,7 @@ dependencies = [
  "spin",
  "untrusted",
  "web-sys",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -1837,7 +1821,7 @@ dependencies = [
 
 [[package]]
 name = "ruff"
-version = "0.0.158"
+version = "0.0.164"
 dependencies = [
  "annotate-snippets 0.9.1",
  "anyhow",
@@ -1847,7 +1831,7 @@ dependencies = [
  "bitflags",
  "cachedir",
  "chrono",
- "clap 4.0.22",
+ "clap 4.0.29",
  "clap_complete_command",
  "clearscreen",
  "colored",
@@ -1871,6 +1855,7 @@ dependencies = [
  "rayon",
  "regex",
  "ropey",
+ "ruff_macros",
  "rustc-hash",
  "rustpython-ast",
  "rustpython-common",
@@ -1889,10 +1874,10 @@ dependencies = [
 
 [[package]]
 name = "ruff_dev"
-version = "0.0.158"
+version = "0.0.164"
 dependencies = [
  "anyhow",
- "clap 4.0.22",
+ "clap 4.0.29",
  "codegen",
  "itertools",
  "libcst",
@@ -1905,12 +1890,36 @@ dependencies = [
  "strum_macros",
 ]
 
+[[package]]
+name = "ruff_macros"
+version = "0.0.161"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "textwrap",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 
+[[package]]
+name = "rustix"
+version = "0.36.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cb93e85278e08bb5788653183213d3a60fc242b10cb9be96586f5a73dcb67c23"
+dependencies = [
+ "bitflags",
+ "errno",
+ "io-lifetimes",
+ "libc",
+ "linux-raw-sys",
+ "windows-sys",
+]
+
 [[package]]
 name = "rustls"
 version = "0.20.7"
@@ -2049,18 +2058,18 @@ checksum = "e25dfac463d778e353db5be2449d1cce89bd6fd23c9f1ea21310ce6e5a1b29c4"
 
 [[package]]
 name = "serde"
-version = "1.0.147"
+version = "1.0.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d193d69bae983fc11a79df82342761dfbf28a99fc8d203dca4c3c1b590948965"
+checksum = "e53f64bb4ba0191d6d0676e1b141ca55047d83b74f5607e6d8eb88126c52c2dc"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.147"
+version = "1.0.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4f1d362ca8fc9c3e3a7484440752472d68a6caa98f1ab81d99b5dfe517cec852"
+checksum = "a55492425aa53521babf6137309e7d34c20bbfbbfcfe2c7f3a047fd1f6b92c0c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2069,9 +2078,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.87"
+version = "1.0.89"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ce777b7b150d76b9cf60d28b55f5847135a003f7d7350c6be7a773508ce7d45"
+checksum = "020ff22c755c2ed3f8cf162dbb41a7268d934702f3ed3631656ea597e08fc3db"
 dependencies = [
  "itoa",
  "ryu",
@@ -2080,9 +2089,9 @@ dependencies = [
 
 [[package]]
 name = "similar"
-version = "2.2.0"
+version = "2.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62ac7f900db32bf3fd12e0117dd3dc4da74bc52ebaac97f39668446d89694803"
+checksum = "420acb44afdae038210c99e69aae24109f32f15500aa708e81d46c9f29d55fcf"
 
 [[package]]
 name = "siphasher"
@@ -2090,15 +2099,6 @@ version = "0.3.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7bd3e3206899af3f8b12af284fafc038cc1dc2b41d1b89dd17297221c5d225de"
 
-[[package]]
-name = "slab"
-version = "0.4.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4614a76b2a8be0058caa9dbbaf66d988527d86d003c11a94fbd335d7661edcef"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.10.0"
@@ -2172,9 +2172,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.103"
+version = "1.0.105"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a864042229133ada95abf3b54fdc62ef5ccabe9515b64717bcb9a1919e59445d"
+checksum = "60b9b43d45702de4c839cb9b51d9f529c5dd26a4aff255b42b1ebc03e88ee908"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2192,7 +2192,7 @@ dependencies = [
  "libc",
  "redox_syscall",
  "remove_dir_all",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2203,7 +2203,7 @@ checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
 dependencies = [
  "dirs-next",
  "rustversion",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2222,7 +2222,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
 dependencies = [
  "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2305,7 +2305,7 @@ checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
 dependencies = [
  "libc",
  "wasi 0.10.0+wasi-snapshot-preview1",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2568,7 +2568,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "808cf2735cd4b6866113f648b791c6adc5714537bc222d9347bb203386ffda56"
 dependencies = [
  "same-file",
- "winapi 0.3.9",
+ "winapi",
  "winapi-util",
 ]
 
@@ -2690,12 +2690,6 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "17882f045410753661207383517a6f62ec3dbeb6a4ed2acce01f0728238d1983"
 
-[[package]]
-name = "winapi"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
-
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -2706,12 +2700,6 @@ dependencies = [
  "winapi-x86_64-pc-windows-gnu",
 ]
 
-[[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-
 [[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
@@ -2724,7 +2712,7 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -2790,16 +2778,6 @@ version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f40009d85759725a34da6d89a94e63d7bdc50a862acf0dbc7c8e488f1edcb6f5"
 
-[[package]]
-name = "ws2_32-sys"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
-dependencies = [
- "winapi 0.2.8",
- "winapi-build",
-]
-
 [[package]]
 name = "yaml-rust"
 version = "0.4.5"
@@ -2815,5 +2793,5 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fe5c30ade05e61656247b2e334a031dfd0cc466fadef865bdcdea8d537951bf1"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]

Cargo.toml

@@ -6,7 +6,7 @@ members = [
 
 [package]
 name = "ruff"
-version = "0.0.158"
+version = "0.0.164"
 edition = "2021"
 rust-version = "1.65.0"
 
@@ -33,7 +33,7 @@ itertools = { version = "0.10.5" }
 libcst = { git = "https://github.com/charliermarsh/LibCST", rev = "f2f0b7a487a8725d161fe8b3ed73a6758b21e177" }
 log = { version = "0.4.17" }
 nohash-hasher = { version = "0.2.0" }
-notify = { version = "4.0.17" }
+notify = { version = "5.0.0" }
 num-bigint = { version = "0.4.3" }
 once_cell = { version = "1.16.0" }
 path-absolutize = { version = "3.0.14", features = ["once_cell_cache", "use_unix_paths_on_wasm"] }
@@ -41,6 +41,7 @@ quick-junit = { version = "0.3.2" }
 rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
 ropey = { version = "1.5.0", features = ["cr_lines", "simd"], default-features = false }
+ruff_macros = { version = "0.0.161", path = "ruff_macros" }
 rustc-hash = { version = "1.1.0" }
 rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "28f9f65ccc625f00835d84bbb5fba274dce5aa89" }
 rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "28f9f65ccc625f00835d84bbb5fba274dce5aa89" }

README.md

@@ -145,7 +145,7 @@ Ruff also works with [pre-commit](https://pre-commit.com):
 ```yaml
 repos:
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.158
+    rev: v0.0.164
     hooks:
       - id: ruff
 ```
@@ -350,6 +350,16 @@ error reporting for the entire file.
 For targeted exclusions across entire files (e.g., "Ignore all F841 violations in
 `/path/to/file.py`"), see the [`per-file-ignores`](#per-file-ignores) configuration setting.
 
+### "Action Comments"
+
+Ruff respects `isort`'s ["Action Comments"](https://pycqa.github.io/isort/docs/configuration/action_comments.html)
+(`# isort: skip_file`, `# isort: on`, `# isort: off`, `# isort: skip`, and `isort: split`), which
+enable selectively enabling and disabling import sorting for blocks of code and other inline
+configuration.
+
+See the [`isort` documentation](https://pycqa.github.io/isort/docs/configuration/action_comments.html)
+for more.
+
 ### Automating `noqa` Directives
 
 Ruff supports several workflows to aid in `noqa` management.
@@ -497,7 +507,7 @@ For more, see [pydocstyle](https://pypi.org/project/pydocstyle/6.1.1/) on PyPI.
 | D214 | SectionNotOverIndented | Section is over-indented ("Returns") | 🛠 |
 | D215 | SectionUnderlineNotOverIndented | Section underline is over-indented ("Returns") | 🛠 |
 | D300 | UsesTripleQuotes | Use """triple double quotes""" |  |
-| D400 | EndsInPeriod | First line should end with a period |  |
+| D400 | EndsInPeriod | First line should end with a period | 🛠 |
 | D402 | NoSignature | First line should not be the function's signature |  |
 | D403 | FirstLineCapitalized | First word of the first line should be properly capitalized |  |
 | D404 | NoThisPrefix | First word of the docstring should not be "This" |  |
@@ -511,7 +521,7 @@ For more, see [pydocstyle](https://pypi.org/project/pydocstyle/6.1.1/) on PyPI.
 | D412 | NoBlankLinesBetweenHeaderAndContent | No blank lines allowed between a section header and its content ("Returns") | 🛠 |
 | D413 | BlankLineAfterLastSection | Missing blank line after last section ("Returns") | 🛠 |
 | D414 | NonEmptySection | Section has no content ("Returns") |  |
-| D415 | EndsInPunctuation | First line should end with a period, question mark, or exclamation point |  |
+| D415 | EndsInPunctuation | First line should end with a period, question mark, or exclamation point | 🛠 |
 | D416 | SectionNameEndsInColon | Section name should end with a colon ("Returns") | 🛠 |
 | D417 | DocumentAllArguments | Missing argument descriptions in the docstring: `x`, `y` |  |
 | D418 | SkipDocstring | Function decorated with `@overload` shouldn't contain a docstring |  |
@@ -1270,6 +1280,49 @@ Summary
 
 ### Options
 
+<!-- Sections automatically generated by `cargo dev generate-options`. -->
+<!-- Begin auto-generated options sections. -->
+
+#### [`allowed-confusables`](#allowed-confusables)
+
+A list of allowed "confusable" Unicode characters to ignore when enforcing `RUF001`,
+`RUF002`, and `RUF003`.
+
+**Default value**: `[]`
+
+**Type**: `Vec<char>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Allow minus-sign (U+2212), greek-small-letter-rho (U+03C1), and the asterisk-operator (U+2217),
+# which could be confused for "-", "p", and "*", respectively.
+allowed-confusables = ["−", "ρ", "∗"]
+```
+
+---
+
+#### [`dummy-variable-rgx`](#dummy-variable-rgx)
+
+A regular expression used to identify "dummy" variables, or those which should be
+ignored when evaluating (e.g.) unused-variable checks. The default expression matches
+`_`, `__`, and `_var`, but not `_var_`.
+
+**Default value**: `"^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"`
+
+**Type**: `Regex`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Only ignore variables named "_".
+dummy_variable_rgx = "^_$"
+```
+
+---
+
 #### [`exclude`](#exclude)
 
 A list of file patterns to exclude from linting.
@@ -1283,8 +1336,8 @@ Exclusions are based on globs, and can be either:
   (to exclude any Python files in `directory`). Note that these paths are relative to the
   project root (e.g., the directory containing your `pyproject.toml`).
 
-Note that you'll typically want to use [`extend-exclude`](#extend-exclude) to modify the excluded
-paths.
+Note that you'll typically want to use [`extend_exclude`](#extend_exclude) to modify
+the excluded paths.
 
 **Default value**: `[".bzr", ".direnv", ".eggs", ".git", ".hg", ".mypy_cache", ".nox", ".pants.d", ".ruff_cache", ".svn", ".tox", ".venv", "__pypackages__", "_build", "buck-out", "build", "dist", "node_modules", "venv"]`
 
@@ -1295,7 +1348,7 @@ paths.
 ```toml
 [tool.ruff]
 exclude = [".venv"]
-````
+```
 
 ---
 
@@ -1313,28 +1366,6 @@ A list of file patterns to omit from linting, in addition to those specified by
 [tool.ruff]
 # In addition to the standard set of exclusions, omit all tests, plus a specific file.
 extend-exclude = ["tests", "src/bad.py"]
-````
-
----
-
-#### [`ignore`](#ignore)
-
-A list of check code prefixes to ignore. Prefixes can specify exact checks (like `F841`), entire
-categories (like `F`), or anything in between.
-
-When breaking ties between enabled and disabled checks (via `select` and `ignore`, respectively),
-more specific prefixes override less specific prefixes.
-
-**Default value**: `[]`
-
-**Type**: `Vec<CheckCodePrefix>`
-
-**Example usage**:
-
-```toml
-[tool.ruff]
-# Skip unused variable checks (`F841`).
-ignore = ["F841"]
 ```
 
 ---
@@ -1357,28 +1388,6 @@ extend-ignore = ["F841"]
 
 ---
 
-#### [`select`](#select)
-
-A list of check code prefixes to enable. Prefixes can specify exact checks (like `F841`), entire
-categories (like `F`), or anything in between.
-
-When breaking ties between enabled and disabled checks (via `select` and `ignore`, respectively),
-more specific prefixes override less specific prefixes.
-
-**Default value**: `["E", "F"]`
-
-**Type**: `Vec<CheckCodePrefix>`
-
-**Example usage**:
-
-```toml
-[tool.ruff]
-# On top of the defaults (`E`, `F`), enable flake8-bugbear (`B`) and flake8-quotes (`Q`).
-select = ["E", "F", "B", "Q"]
-```
-
----
-
 #### [`extend-select`](#extend-select)
 
 A list of check code prefixes to enable, in addition to those specified by `select`.
@@ -1411,8 +1420,8 @@ yet implemented in Ruff.
 
 ```toml
 [tool.ruff]
-# Avoiding flagging (and removing) `V101` from any `# noqa` directives, despite Ruff's lack of
-# support for `vulture`.
+# Avoiding flagging (and removing) `V101` from any `# noqa`
+# directives, despite Ruff's lack of support for `vulture`.
 external = ["V101"]
 ```
 
@@ -1420,8 +1429,8 @@ external = ["V101"]
 
 #### [`fix`](#fix)
 
-Enable autofix behavior by-default when running `ruff` (overridden by the `--fix` and `--no-fix`
-command-line flags).
+Enable autofix behavior by-default when running `ruff` (overridden
+by the `--fix` and `--no-fix` command-line flags).
 
 **Default value**: `false`
 
@@ -1454,9 +1463,33 @@ fixable = ["E", "F"]
 
 ---
 
-#### [`unfixable`](#unfixable)
+#### [`format`](#format)
 
-A list of check code prefixes to consider un-autofix-able.
+The style in which violation messages should be formatted: `"text"` (default),
+`"grouped"` (group messages by file), `"json"` (machine-readable), `"junit"`
+(machine-readable XML), or `"github"` (GitHub Actions annotations).
+
+**Default value**: `"text"`
+
+**Type**: `SerializationType`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Group violations by containing file.
+format = "grouped"
+```
+
+---
+
+#### [`ignore`](#ignore)
+
+A list of check code prefixes to ignore. Prefixes can specify exact checks (like
+`F841`), entire categories (like `F`), or anything in between.
+
+When breaking ties between enabled and disabled checks (via `select` and `ignore`,
+respectively), more specific prefixes override less specific prefixes.
 
 **Default value**: `[]`
 
@@ -1466,8 +1499,28 @@ A list of check code prefixes to consider un-autofix-able.
 
 ```toml
 [tool.ruff]
-# Disable autofix for unused imports (`F401`).
-unfixable = ["F401"]
+# Skip unused variable checks (`F841`).
+ignore = ["F841"]
+```
+
+---
+
+#### [`ignore-init-module-imports`](#ignore-init-module-imports)
+
+Avoid automatically removing unused imports in `__init__.py` files. Such imports will
+still be +flagged, but with a dedicated message suggesting that the import is either
+added to the module' +`__all__` symbol, or re-exported with a redundant alias (e.g.,
+`import os as os`).
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+ignore-init-module-imports = true
 ```
 
 ---
@@ -1490,67 +1543,10 @@ line-length = 120
 
 ---
 
-#### [`dummy-variable-rgx`](#dummy-variable-rgx)
-
-A regular expression used to identify "dummy" variables, or those which should be ignored when evaluating
-(e.g.) unused-variable checks.
-
-**Default value**: `"^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"` (matches `_`, `__`, and `_var`, but not `_var_`)
-
-**Type**: `Regex`
-
-**Example usage**:
-
-```toml
-[tool.ruff]
-# Only ignore variables named "_".
-dummy-variable-rgx = "^_$"
-```
-
----
-
-#### [`ignore-init-module-imports`](#ignore-init-module-imports)
-
-Avoid automatically removing unused imports in `__init__.py` files. Such imports will still be
-flagged, but with a dedicated message suggesting that the import is either added to the module's
-`__all__` symbol, or re-exported with a redundant alias (e.g., `import os as os`).
-
-**Default value**: `false`
-
-**Type**: `bool`
-
-**Example usage**:
-
-```toml
-[tool.ruff]
-ignore-init-module-imports = true
-```
-
----
-
-#### [`format`](#format)
-
-The style in which violation messages should be formatted: `"text"` (default), `"grouped"`
-(group messages by file), `"json"` (machine-readable), `"junit"` (machine-readable XML), or `"github"` (GitHub Actions annotations).
-
-**Default value**: `"text"`
-
-**Type**: `SerializationFormat`
-
-**Example usage**:
-
-```toml
-[tool.ruff]
-# Group violations by containing file.
-format = "grouped"
-```
-
----
-
 #### [`per-file-ignores`](#per-file-ignores)
 
-A list of mappings from file pattern to check code prefixes to exclude, when considering any
-matching files.
+A list of mappings from file pattern to check code prefixes to exclude, when considering
+any matching files.
 
 **Default value**: `{}`
 
@@ -1568,10 +1564,32 @@ matching files.
 
 ---
 
+#### [`select`](#select)
+
+A list of check code prefixes to enable. Prefixes can specify exact checks (like
+`F841`), entire categories (like `F`), or anything in between.
+
+When breaking ties between enabled and disabled checks (via `select` and `ignore`,
+respectively), more specific prefixes override less specific prefixes.
+
+**Default value**: `["E", "F"]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# On top of the defaults (`E`, `F`), enable flake8-bugbear (`B`) and flake8-quotes (`Q`).
+select = ["E", "F", "B", "Q"]
+```
+
+---
+
 #### [`show-source`](#show-source)
 
-Whether to show source code snippets when reporting lint error violations (overridden by the
-`--show-source` command-line flag).
+Whether to show source code snippets when reporting lint error violations (overridden by
+the `--show-source` command-line flag).
 
 **Default value**: `false`
 
@@ -1607,9 +1625,9 @@ src = ["src", "test"]
 
 #### [`target-version`](#target-version)
 
-The Python version to target, e.g., when considering automatic code upgrades, like rewriting type
-annotations. Note that the target version will _not_ be inferred from the _current_ Python version,
-and instead must be specified explicitly (as seen below).
+The Python version to target, e.g., when considering automatic code upgrades, like
+rewriting type annotations. Note that the target version will _not_ be inferred from the
+_current_ Python version, and instead must be specified explicitly (as seen below).
 
 **Default value**: `"py310"`
 
@@ -1623,12 +1641,49 @@ and instead must be specified explicitly (as seen below).
 target-version = "py37"
 ```
 
+---
+
+#### [`unfixable`](#unfixable)
+
+A list of check code prefixes to consider un-autofix-able.
+
+**Default value**: `[]`
+
+**Type**: `Vec<CheckCodePrefix>`
+
+**Example usage**:
+
+```toml
+[tool.ruff]
+# Disable autofix for unused imports (`F401`).
+unfixable = ["F401"]
+```
+
+---
+
 ### `flake8-annotations`
 
+#### [`allow-star-arg-any`](#allow-star-arg-any)
+
+Whether to suppress `ANN401` for dynamically typed `*args` and `**kwargs` arguments.
+
+**Default value**: `false`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-annotations]
+allow-star-arg-any = true
+```
+
+---
+
 #### [`mypy-init-return`](#mypy-init-return)
 
-Whether to allow the omission of a return type hint for `__init__` if at least one argument is
-annotated.
+Whether to allow the omission of a return type hint for `__init__` if at least one
+argument is annotated.
 
 **Default value**: `false`
 
@@ -1645,8 +1700,8 @@ mypy-init-return = true
 
 #### [`suppress-dummy-args`](#suppress-dummy-args)
 
-Whether to suppress `ANN000`-level errors for arguments matching the "dummy" variable regex (like
-`_`).
+Whether to suppress `ANN000`-level errors for arguments matching the "dummy" variable
+regex (like `_`).
 
 **Default value**: `false`
 
@@ -1663,7 +1718,8 @@ suppress-dummy-args = true
 
 #### [`suppress-none-returning`](#suppress-none-returning)
 
-Whether to suppress `ANN200`-level errors for functions that meet either of the following criteria:
+Whether to suppress `ANN200`-level errors for functions that meet either of the
+following criteria:
 
 - Contain no `return` statement.
 - Explicit `return` statement(s) all return `None` (explicitly or implicitly).
@@ -1681,27 +1737,12 @@ suppress-none-returning = true
 
 ---
 
-#### [`allow-star-arg-any`](#allow-star-arg-any)
-
-Whether to suppress `ANN401` for dynamically typed `*args` and `**kwargs` arguments.
-
-**Default value**: `false`
-
-**Type**: `bool`
-
-**Example usage**:
-
-```toml
-[tool.ruff.flake8-annotations]
-allow-star-arg-any = true
-```
-
 ### `flake8-bugbear`
 
 #### [`extend-immutable-calls`](#extend-immutable-calls)
 
-Additional callable functions to consider "immutable" when evaluating, e.g., no-mutable-default-argument
-checks (`B006`).
+Additional callable functions to consider "immutable" when evaluating, e.g.,
+`no-mutable-default-argument` checks (`B006`).
 
 **Default value**: `[]`
 
@@ -1715,8 +1756,47 @@ checks (`B006`).
 extend-immutable-calls = ["fastapi.Depends", "fastapi.Query"]
 ```
 
+---
+
 ### `flake8-quotes`
 
+#### [`avoid-escape`](#avoid-escape)
+
+Whether to avoid using single quotes if a string contains single quotes, or vice-versa
+with double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes).
+This minimizes the need to escape quotation marks within strings.
+
+**Default value**: `true`
+
+**Type**: `bool`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-quotes]
+# Don't bother trying to avoid escapes.
+avoid-escape = false
+```
+
+---
+
+#### [`docstring-quotes`](#docstring-quotes)
+
+Quote style to prefer for docstrings (either "single" (`'`) or "double" (`"`)).
+
+**Default value**: `"double"`
+
+**Type**: `Quote`
+
+**Example usage**:
+
+```toml
+[tool.ruff.flake8-quotes]
+docstring-quotes = "single"
+```
+
+---
+
 #### [`inline-quotes`](#inline-quotes)
 
 Quote style to prefer for inline strings (either "single" (`'`) or "double" (`"`)).
@@ -1751,47 +1831,12 @@ multiline-quotes = "single"
 
 ---
 
-#### [`docstring-quotes`](#docstring-quotes)
-
-Quote style to prefer for docstrings (either "single" (`'`) or "double" (`"`)).
-
-**Default value**: `"double"`
-
-**Type**: `Quote`
-
-**Example usage**:
-
-```toml
-[tool.ruff.flake8-quotes]
-docstring-quotes = "single"
-```
-
----
-
-#### [`avoid-escape`](#avoid-escape)
-
-Whether to avoid using single quotes if a string contains single quotes, or vice-versa with
-double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes). This minimizes the
-need to escape quotation marks within strings.
-
-**Default value**: `true`
-
-**Type**: `bool`
-
-**Example usage**:
-
-```toml
-[tool.ruff.flake8-quotes]
-# Don't bother trying to avoid escapes.
-avoid-escape = false
-```
-
 ### `flake8-tidy-imports`
 
 #### [`ban-relative-imports`](#ban-relative-imports)
 
-Whether to ban all relative imports (`"all"`), or only those imports that extend into the parent
-module and beyond (`"parents"`).
+Whether to ban all relative imports (`"all"`), or only those imports that extend into
+the parent module and beyond (`"parents"`).
 
 **Default value**: `"parents"`
 
@@ -1805,61 +1850,10 @@ module and beyond (`"parents"`).
 ban-relative-imports = "all"
 ```
 
+---
+
 ### `isort`
 
-#### [`known-first-party`](#known-first-party)
-
-A list of modules to consider first-party, regardless of whether they can be identified as such
-via introspection of the local filesystem.
-
-**Default value**: `[]`
-
-**Type**: `Vec<String>`
-
-**Example usage**:
-
-```toml
-[tool.ruff.isort]
-known-first-party = ["src"]
-```
-
----
-
-#### [`known-third-party`](#known-third-party)
-
-A list of modules to consider third-party, regardless of whether they can be identified as such
-via introspection of the local filesystem.
-
-**Default value**: `[]`
-
-**Type**: `Vec<String>`
-
-**Example usage**:
-
-```toml
-[tool.ruff.isort]
-known-third-party = ["fastapi"]
-```
-
----
-
-#### [`extra-standard-library`](#extra-standard-library)
-
-A list of modules to consider standard-library, in addition to those known to Ruff in advance.
-
-**Default value**: `[]`
-
-**Type**: `Vec<String>`
-
-**Example usage**:
-
-```toml
-[tool.ruff.isort]
-extra-standard-library = ["path"]
-```
-
----
-
 #### [`combine-as-imports`](#combine-as-imports)
 
 Combines as imports on the same line. See isort's [`combine-as-imports`](https://pycqa.github.io/isort/docs/configuration/options.html#combine-as-imports)
@@ -1878,11 +1872,29 @@ combine-as-imports = true
 
 ---
 
+#### [`extra-standard-library`](#extra-standard-library)
+
+A list of modules to consider standard-library, in addition to those known to Ruff in
+advance.
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+extra-standard-library = ["path"]
+```
+
+---
+
 #### [`force-wrap-aliases`](#force-wrap-aliases)
 
-Force `import from` statements with multiple members and at least one alias (e.g., `import A as B`)
-to wrap such that every line contains exactly one member. For example, this formatting would be
-retained, rather than condensing to a single line:
+Force `import from` statements with multiple members and at least one alias (e.g.,
+`import A as B`) to wrap such that every line contains exactly one member. For example,
+this formatting would be retained, rather than condensing to a single line:
 
 ```py
 from .utils import (
@@ -1902,6 +1914,44 @@ from .utils import (
 force-wrap-aliases = true
 ```
 
+---
+
+#### [`known-first-party`](#known-first-party)
+
+A list of modules to consider first-party, regardless of whether they can be identified
+as such via introspection of the local filesystem.
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+known-first-party = ["src"]
+```
+
+---
+
+#### [`known-third-party`](#known-third-party)
+
+A list of modules to consider third-party, regardless of whether they can be identified
+as such via introspection of the local filesystem.
+
+**Default value**: `[]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.isort]
+known-third-party = ["src"]
+```
+
+---
+
 ### `mccabe`
 
 #### [`max-complexity`](#max-complexity)
@@ -1920,8 +1970,30 @@ The maximum McCabe complexity to allow before triggering `C901` errors.
 max-complexity = 5
 ```
 
+---
+
 ### `pep8-naming`
 
+#### [`classmethod-decorators`](#classmethod-decorators)
+
+A list of decorators that, when applied to a method, indicate that the method should be
+treated as a class method. For example, Ruff will expect that any method decorated by a
+decorator in this list takes a `cls` argument as its first argument.
+
+**Default value**: `["classmethod"]`
+
+**Type**: `Vec<String>`
+
+**Example usage**:
+
+```toml
+[tool.ruff.pep8-naming]
+# Allow Pydantic's `@validator` decorator to trigger class method treatment.
+classmethod-decorators = ["classmethod", "pydantic.validator"]
+```
+
+---
+
 #### [`ignore-names`](#ignore-names)
 
 A list of names to ignore when considering `pep8-naming` violations.
@@ -1939,31 +2011,11 @@ ignore-names = ["callMethod"]
 
 ---
 
-#### [`classmethod-decorators`](#classmethod-decorators)
-
-A list of decorators that, when applied to a method, indicate that the method should be treated as
-a class method. For example, Ruff will expect that any method decorated by a decorator in this list
-takes a `cls` argument as its first argument.
-
-**Default value**: `["classmethod"]`
-
-**Type**: `Vec<String>`
-
-**Example usage**:
-
-```toml
-[tool.ruff.pep8-naming]
-# Allow Pydantic's `@validator` decorator to trigger class method treatment.
-classmethod-decorators = ["classmethod", "pydantic.validator"]
-```
-
----
-
 #### [`staticmethod-decorators`](#staticmethod-decorators)
 
-A list of decorators that, when applied to a method, indicate that the method should be treated as
-a static method. For example, Ruff will expect that any method decorated by a decorator in this list
-has no `self` or `cls` argument.
+A list of decorators that, when applied to a method, indicate that the method should be
+treated as a static method. For example, Ruff will expect that any method decorated by a
+decorator in this list has no `self` or `cls` argument.
 
 **Default value**: `["staticmethod"]`
 
@@ -1977,13 +2029,13 @@ has no `self` or `cls` argument.
 staticmethod-decorators = ["staticmethod", "stcmthd"]
 ```
 
+---
+
 ### `pyupgrade`
 
 #### [`keep-runtime-typing`](#keep-runtime-typing)
 
-Whether to avoid PEP 585 (`List[int]` -> `list[int]`) and PEP 604 (`Optional[str]` -> `str | None`)
-rewrites even if a file imports `from __future__ import annotations`. Note that this setting is
-only applicable when the target Python version is below 3.9 and 3.10 respectively.
+Whether to avoid PEP 585 (`List[int]` -> `list[int]`) and PEP 604 (`Optional[str]` -> `str | None`) rewrites even if a file imports `from __future__ import annotations`. Note that this setting is only applicable when the target Python version is below 3.9 and 3.10 respectively.
 
 **Default value**: `false`
 
@@ -1997,6 +2049,10 @@ only applicable when the target Python version is below 3.9 and 3.10 respectivel
 keep-runtime-typing = true
 ```
 
+---
+
+<!-- End auto-generated options sections. -->
+
 ## License
 
 MIT

create_plugin.sh

@@ -1,11 +0,0 @@
-set -euxo pipefail
-
-NAME=$1
-
-mkdir -p src/$1
-mkdir -p resources/test/fixtures/$1
-touch src/$1/mod.rs
-
-sed -i "" "s/mod flake8_print;/mod flake8_print; mod flake8_return;/g" src/lib.rs
-sed -i "" "s|// flake8-print|// flake8-return\n// flake8-print|g" src/checks.rs
-

flake8_to_ruff/Cargo.lock

@@ -771,7 +771,7 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "flake8_to_ruff"
-version = "0.0.158"
+version = "0.0.164"
 dependencies = [
  "anyhow",
  "clap",
@@ -1975,7 +1975,7 @@ dependencies = [
 
 [[package]]
 name = "ruff"
-version = "0.0.158"
+version = "0.0.164"
 dependencies = [
  "anyhow",
  "bincode",

flake8_to_ruff/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "flake8-to-ruff"
-version = "0.0.158-dev.0"
+version = "0.0.164-dev.0"
 edition = "2021"
 
 [lib]

flake8_to_ruff/src/converter.rs

@@ -243,6 +243,7 @@ mod tests {
     fn it_converts_empty() -> Result<()> {
         let actual = convert(&HashMap::from([]), None)?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,
@@ -286,6 +287,7 @@ mod tests {
             Some(vec![]),
         )?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,
@@ -329,6 +331,7 @@ mod tests {
             Some(vec![]),
         )?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,
@@ -372,6 +375,7 @@ mod tests {
             Some(vec![]),
         )?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,
@@ -415,6 +419,7 @@ mod tests {
             Some(vec![]),
         )?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,
@@ -466,6 +471,7 @@ mod tests {
             Some(vec![Plugin::Flake8Docstrings]),
         )?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,
@@ -544,6 +550,7 @@ mod tests {
             None,
         )?;
         let expected = Pyproject::new(Options {
+            allowed_confusables: None,
             dummy_variable_rgx: None,
             exclude: None,
             extend_exclude: None,

resources/test/fixtures/isort/insert_empty_lines.py

@@ -0,0 +1,41 @@
+import a
+import b
+x = 1
+import os
+import sys
+def f():
+    pass
+if True:
+    x = 1
+    import collections
+    import typing
+class X: pass
+y = 1
+import os
+import sys
+"""Docstring"""
+
+if True:
+    import os
+
+
+def f():
+    pass
+
+
+if True:
+    import os
+def f():
+    pass
+
+if True:
+    x = 1
+    import collections
+    import typing
+    class X: pass
+
+if True:
+    x = 1
+    import collections
+    import typing
+    def f(): pass

resources/test/fixtures/isort/no_wrap_star.py

@@ -0,0 +1 @@
+from .subscription import * # type: ignore  # some very long comment explaining why this needs a type ignore

resources/test/fixtures/isort/preserve_import_star.py

@@ -0,0 +1,6 @@
+from some_other_module import some_class
+from some_other_module import *
+# Above
+from some_module import some_class  # Aside
+# Above
+from some_module import *  # Aside

resources/test/fixtures/isort/skip_file.py

@@ -0,0 +1,10 @@
+# isort: skip_file
+import e
+import f
+
+# isort: split
+
+import a
+import b
+import c
+import d

resources/test/fixtures/isort/split.py

@@ -0,0 +1,9 @@
+import e
+import f
+
+# isort: split
+
+import a
+import b
+import c
+import d

resources/test/fixtures/pydocstyle/D.py

@@ -571,3 +571,11 @@ def multiline_trailing_and_leading_space():
     """
 
     pass
+
+
+@expect('D210: No whitespaces allowed surrounding docstring text')
+@expect("D400: First line should end with a period (not '\"')")
+@expect("D415: First line should end with a period, question mark, "
+        "or exclamation point (not '\"')")
+def endswith_quote():
+    """Whitespace at the end, but also a quote" """

resources/test/fixtures/pydocstyle/D400.py

@@ -0,0 +1,73 @@
+def f():
+    "Here's a line without a period"
+    ...
+
+
+def f():
+    """Here's a line without a period"""
+    ...
+
+
+def f():
+    """
+    Here's a line without a period,
+    but here's the next line
+    """
+    ...
+
+
+def f():
+    """Here's a line without a period"""
+    ...
+
+
+def f():
+    """
+    Here's a line without a period,
+    but here's the next line"""
+    ...
+
+
+def f():
+    """
+    Here's a line without a period,
+    but here's the next line with trailing space """
+    ...
+
+
+
+def f():
+    r"Here's a line without a period"
+    ...
+
+
+def f():
+    r"""Here's a line without a period"""
+    ...
+
+
+def f():
+    r"""
+    Here's a line without a period,
+    but here's the next line
+    """
+    ...
+
+
+def f():
+    r"""Here's a line without a period"""
+    ...
+
+
+def f():
+    r"""
+    Here's a line without a period,
+    but here's the next line"""
+    ...
+
+
+def f():
+    r"""
+    Here's a line without a period,
+    but here's the next line with trailing space """
+    ...

resources/test/fixtures/pyflakes/F632.py

@@ -4,5 +4,18 @@ if x is "abc":
 if 123 is not y:
     pass
 
+if 123 is \
+        not y:
+    pass
+
 if "123" is x < 3:
     pass
+
+if "123" != x is 3:
+    pass
+
+if ("123" != x) is 3:
+    pass
+
+if "123" != (x is 3):
+    pass

resources/test/fixtures/pyflakes/F841_0.py

@@ -65,3 +65,8 @@ def f7():
 
     with connect() as (connection, cursor):
         cursor.execute("SELECT * FROM users")
+
+
+def f8():
+    with open("file") as f, open("") as ((a, b)):
+        print("hello")

resources/test/fixtures/pyflakes/F841_1.py

@@ -0,0 +1,24 @@
+def f(tup):
+    x, y = tup  # this does NOT trigger F841
+
+
+def f():
+    x, y = 1, 2  # this triggers F841 as it's just a simple assignment where unpacking isn't needed
+
+
+def f():
+    (x, y) = coords = 1, 2  # this does NOT trigger F841
+    if x > 1:
+        print(coords)
+
+
+def f():
+    (x, y) = coords = 1, 2  # this triggers F841 on coords
+
+
+def f():
+    coords = (x, y) = 1, 2  # this triggers F841 on coords
+
+
+def f():
+    (a, b) = (x, y) = 1, 2  # this triggers F841 on everything

resources/test/fixtures/pylint/consider_merging_isinstance.py

@@ -34,4 +34,5 @@ def isinstances():
     result = isinstance(var[7], int) or not isinstance(var[7], float)
     result = isinstance(var[6], int) or isinstance(var[7], float)
     result = isinstance(var[6], int) or isinstance(var[7], int)
+    result = isinstance(var[6], (float, int)) or False
     return result

resources/test/fixtures/pyproject.toml

@@ -1,4 +1,5 @@
 [tool.ruff]
+allowed-confusables = ["−", "ρ", "∗"]
 line-length = 88
 extend-exclude = [
   "excluded_file.py",
@@ -35,13 +36,8 @@ ignore-names = [
   "longMessage",
   "maxDiff",
 ]
-classmethod-decorators = [
-  "classmethod",
-  "pydantic.validator",
-]
-staticmethod-decorators = [
-  "staticmethod",
-]
+classmethod-decorators = ["classmethod", "pydantic.validator"]
+staticmethod-decorators = ["staticmethod"]
 
 [tool.ruff.flake8-tidy-imports]
 ban-relative-imports = "parents"

resources/test/fixtures/ruff/RUF001.py

@@ -1,7 +0,0 @@
-x = "𝐁ad string"
-
-
-def f():
-    """Here's a docstring with an unusual parenthesis: ）"""
-    # And here's a comment with an unusual punctuation mark: ᜵
-    ...

resources/test/fixtures/ruff/RUF002.py

@@ -1,7 +0,0 @@
-x = "𝐁ad string"
-
-
-def f():
-    """Here's a docstring with an unusual parenthesis: ）"""
-    # And here's a comment with an unusual punctuation mark: ᜵
-    ...

resources/test/fixtures/ruff/confusables.py

@@ -1,7 +1,14 @@
 x = "𝐁ad string"
+y = "−"
 
 
 def f():
     """Here's a docstring with an unusual parenthesis: ）"""
     # And here's a comment with an unusual punctuation mark: ᜵
     ...
+
+
+def g():
+    """Here's a docstring with a greek rho: ρ"""
+    # And here's a comment with a greek alpha: ∗
+    ...

ruff_dev/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff_dev"
-version = "0.0.158"
+version = "0.0.164"
 edition = "2021"
 
 [dependencies]

ruff_dev/src/generate_options.rs

@@ -0,0 +1,125 @@
+//! Generate a Markdown-compatible listing of configuration options.
+
+use std::fs;
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::path::PathBuf;
+
+use anyhow::Result;
+use clap::Args;
+use itertools::Itertools;
+use ruff::settings::options::Options;
+use ruff::settings::options_base::{ConfigurationOptions, OptionEntry, OptionField};
+
+const BEGIN_PRAGMA: &str = "<!-- Begin auto-generated options sections. -->";
+const END_PRAGMA: &str = "<!-- End auto-generated options sections. -->";
+
+#[derive(Args)]
+pub struct Cli {
+    /// Write the generated table to stdout (rather than to `README.md`).
+    #[arg(long)]
+    dry_run: bool,
+}
+
+fn emit_field(output: &mut String, field: &OptionField, group_name: Option<&str>) {
+    output.push_str(&format!("#### [`{0}`](#{0})\n", field.name));
+    output.push('\n');
+    output.push_str(field.doc);
+    output.push_str("\n\n");
+    output.push_str(&format!("**Default value**: `{}`\n", field.default));
+    output.push('\n');
+    output.push_str(&format!("**Type**: `{}`\n", field.value_type));
+    output.push('\n');
+    output.push_str(&format!(
+        "**Example usage**:\n\n```toml\n[tool.ruff{}]\n{}\n```\n",
+        if group_name.is_some() {
+            format!(".{}", group_name.unwrap())
+        } else {
+            String::new()
+        },
+        field.example
+    ));
+    output.push('\n');
+}
+
+pub fn main(cli: &Cli) -> Result<()> {
+    let mut output = String::new();
+
+    // Generate all the top-level fields.
+    for field in Options::get_available_options()
+        .into_iter()
+        .filter_map(|entry| {
+            if let OptionEntry::Field(field) = entry {
+                Some(field)
+            } else {
+                None
+            }
+        })
+        .sorted_by_key(|field| field.name)
+    {
+        emit_field(&mut output, &field, None);
+        output.push_str("---\n\n");
+    }
+
+    // Generate all the sub-groups.
+    for group in Options::get_available_options()
+        .into_iter()
+        .filter_map(|entry| {
+            if let OptionEntry::Group(group) = entry {
+                Some(group)
+            } else {
+                None
+            }
+        })
+        .sorted_by_key(|group| group.name)
+    {
+        output.push_str(&format!("### `{}`\n", group.name));
+        output.push('\n');
+        for field in group
+            .fields
+            .iter()
+            .filter_map(|entry| {
+                if let OptionEntry::Field(field) = entry {
+                    Some(field)
+                } else {
+                    None
+                }
+            })
+            .sorted_by_key(|field| field.name)
+        {
+            emit_field(&mut output, field, Some(group.name));
+            output.push_str("---\n\n");
+        }
+    }
+
+    if cli.dry_run {
+        print!("{output}");
+    } else {
+        // Read the existing file.
+        let file = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+            .parent()
+            .expect("Failed to find root directory")
+            .join("README.md");
+        let existing = fs::read_to_string(&file)?;
+
+        // Extract the prefix.
+        let index = existing
+            .find(BEGIN_PRAGMA)
+            .expect("Unable to find begin pragma");
+        let prefix = &existing[..index + BEGIN_PRAGMA.len()];
+
+        // Extract the suffix.
+        let index = existing
+            .find(END_PRAGMA)
+            .expect("Unable to find end pragma");
+        let suffix = &existing[index..];
+
+        // Write the prefix, new contents, and suffix.
+        let mut f = OpenOptions::new().write(true).truncate(true).open(&file)?;
+        write!(f, "{prefix}\n\n")?;
+        write!(f, "{output}")?;
+        write!(f, "{suffix}")?;
+    }
+
+    Ok(())
+}

ruff_dev/src/lib.rs

@@ -12,6 +12,7 @@
 )]
 
 pub mod generate_check_code_prefix;
+pub mod generate_options;
 pub mod generate_rules_table;
 pub mod generate_source_code;
 pub mod print_ast;

ruff_dev/src/main.rs

@@ -14,8 +14,8 @@
 use anyhow::Result;
 use clap::{Parser, Subcommand};
 use ruff_dev::{
-    generate_check_code_prefix, generate_rules_table, generate_source_code, print_ast, print_cst,
-    print_tokens,
+    generate_check_code_prefix, generate_options, generate_rules_table, generate_source_code,
+    print_ast, print_cst, print_tokens,
 };
 
 #[derive(Parser)]
@@ -32,6 +32,8 @@ enum Commands {
     GenerateCheckCodePrefix(generate_check_code_prefix::Cli),
     /// Generate a Markdown-compatible table of supported lint rules.
     GenerateRulesTable(generate_rules_table::Cli),
+    /// Generate a Markdown-compatible listing of configuration options.
+    GenerateOptions(generate_options::Cli),
     /// Run round-trip source code generation on a given Python file.
     GenerateSourceCode(generate_source_code::Cli),
     /// Print the AST for a given Python file.
@@ -48,6 +50,7 @@ fn main() -> Result<()> {
         Commands::GenerateCheckCodePrefix(args) => generate_check_code_prefix::main(args)?,
         Commands::GenerateRulesTable(args) => generate_rules_table::main(args)?,
         Commands::GenerateSourceCode(args) => generate_source_code::main(args)?,
+        Commands::GenerateOptions(args) => generate_options::main(args)?,
         Commands::PrintAST(args) => print_ast::main(args)?,
         Commands::PrintCST(args) => print_cst::main(args)?,
         Commands::PrintTokens(args) => print_tokens::main(args)?,

ruff_macros/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "ruff_macros"
+version = "0.0.161"
+edition = "2021"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+proc-macro2 = { version = "1.0.47" }
+quote = { version = "1.0.21" }
+syn = { version = "1.0.103", features = ["derive", "parsing"] }
+textwrap = { version = "0.16.0" }

ruff_macros/src/lib.rs

@@ -0,0 +1,177 @@
+#![allow(
+    clippy::collapsible_else_if,
+    clippy::collapsible_if,
+    clippy::implicit_hasher,
+    clippy::match_same_arms,
+    clippy::missing_errors_doc,
+    clippy::missing_panics_doc,
+    clippy::module_name_repetitions,
+    clippy::must_use_candidate,
+    clippy::similar_names,
+    clippy::too_many_lines
+)]
+
+use quote::{quote, quote_spanned};
+use syn::parse::{Parse, ParseStream};
+use syn::token::Comma;
+use syn::{
+    parse_macro_input, AngleBracketedGenericArguments, Attribute, Data, DataStruct, DeriveInput,
+    Field, Fields, Lit, LitStr, Path, PathArguments, PathSegment, Token, Type, TypePath,
+};
+
+#[proc_macro_derive(ConfigurationOptions, attributes(option, option_group))]
+pub fn derive(input: proc_macro::TokenStream) -> proc_macro::TokenStream {
+    let input = parse_macro_input!(input as DeriveInput);
+
+    derive_impl(input)
+        .unwrap_or_else(syn::Error::into_compile_error)
+        .into()
+}
+
+fn derive_impl(input: DeriveInput) -> syn::Result<proc_macro2::TokenStream> {
+    let DeriveInput { ident, data, .. } = input;
+
+    match data {
+        Data::Struct(DataStruct {
+            fields: Fields::Named(fields),
+            ..
+        }) => {
+            let mut output = vec![];
+
+            for field in fields.named.iter() {
+                if let Some(attr) = field.attrs.iter().find(|a| a.path.is_ident("option")) {
+                    output.push(handle_option(field, attr)?);
+                };
+
+                if field.attrs.iter().any(|a| a.path.is_ident("option_group")) {
+                    output.push(handle_option_group(field)?);
+                };
+            }
+
+            Ok(quote! {
+              use crate::settings::options_base::{OptionEntry, OptionField, OptionGroup, ConfigurationOptions};
+
+              #[automatically_derived]
+              impl ConfigurationOptions for #ident {
+                  fn get_available_options() -> Vec<OptionEntry> {
+                      vec![#(#output),*]
+                  }
+              }
+            })
+        }
+        _ => Err(syn::Error::new(
+            ident.span(),
+            "Can only derive ConfigurationOptions from structs with named fields.",
+        )),
+    }
+}
+
+/// For a field with type `Option<Foobar>` where `Foobar` itself is a struct
+/// deriving `ConfigurationOptions`, create code that calls retrieves options
+/// from that group: `Foobar::get_available_options()`
+fn handle_option_group(field: &Field) -> syn::Result<proc_macro2::TokenStream> {
+    // unwrap is safe because we're only going over named fields
+    let ident = field.ident.as_ref().unwrap();
+
+    match &field.ty {
+        Type::Path(TypePath {
+            path: Path { segments, .. },
+            ..
+        }) => match segments.first() {
+            Some(PathSegment {
+                ident: type_ident,
+                arguments:
+                    PathArguments::AngleBracketed(AngleBracketedGenericArguments { args, .. }),
+                ..
+            }) if type_ident == "Option" => {
+                let path = &args[0];
+                let kebab_name = LitStr::new(&ident.to_string().replace('_', "-"), ident.span());
+
+                Ok(quote_spanned!(
+                    ident.span() => OptionEntry::Group(OptionGroup {
+                        name: #kebab_name,
+                        fields: #path::get_available_options(),
+                    })
+                ))
+            }
+            _ => Err(syn::Error::new(
+                ident.span(),
+                "Expected `Option<_>`  as type.",
+            )),
+        },
+        _ => Err(syn::Error::new(ident.span(), "Expected type.")),
+    }
+}
+
+/// Parse an `#[option(doc="...", default="...", value_type="...",
+/// example="...")]` attribute and return data in the form of an `OptionField`.
+fn handle_option(field: &Field, attr: &Attribute) -> syn::Result<proc_macro2::TokenStream> {
+    // unwrap is safe because we're only going over named fields
+    let ident = field.ident.as_ref().unwrap();
+
+    let FieldAttributes {
+        doc,
+        default,
+        value_type,
+        example,
+    } = attr.parse_args::<FieldAttributes>()?;
+    let kebab_name = LitStr::new(&ident.to_string().replace('_', "-"), ident.span());
+
+    Ok(quote_spanned!(
+        ident.span() => OptionEntry::Field(OptionField {
+            name: #kebab_name,
+            doc: &#doc,
+            default: &#default,
+            value_type: &#value_type,
+            example: &#example,
+        })
+    ))
+}
+
+#[derive(Debug)]
+struct FieldAttributes {
+    doc: String,
+    default: String,
+    value_type: String,
+    example: String,
+}
+
+impl Parse for FieldAttributes {
+    fn parse(input: ParseStream) -> syn::Result<Self> {
+        let doc = _parse_key_value(input, "doc")?;
+        input.parse::<Comma>()?;
+        let default = _parse_key_value(input, "default")?;
+        input.parse::<Comma>()?;
+        let value_type = _parse_key_value(input, "value_type")?;
+        input.parse::<Comma>()?;
+        let example = _parse_key_value(input, "example")?;
+        if !input.is_empty() {
+            input.parse::<Comma>()?;
+        }
+
+        Ok(FieldAttributes {
+            doc: textwrap::dedent(&doc).trim_matches('\n').to_string(),
+            default,
+            value_type,
+            example: textwrap::dedent(&example).trim_matches('\n').to_string(),
+        })
+    }
+}
+
+fn _parse_key_value(input: ParseStream, name: &str) -> syn::Result<String> {
+    let ident: proc_macro2::Ident = input.parse()?;
+    if ident != name {
+        return Err(syn::Error::new(
+            ident.span(),
+            format!("Expected `{name}` name"),
+        ));
+    }
+
+    input.parse::<Token![=]>()?;
+    let value: Lit = input.parse()?;
+
+    match &value {
+        Lit::Str(v) => Ok(v.value()),
+        _ => Err(syn::Error::new(value.span(), "Expected literal string")),
+    }
+}

src/ast/helpers.rs

@@ -301,6 +301,16 @@ pub fn match_trailing_content(stmt: &Stmt, locator: &SourceCodeLocator) -> bool
     false
 }
 
+/// Return the number of trailing empty lines following a statement.
+pub fn count_trailing_lines(stmt: &Stmt, locator: &SourceCodeLocator) -> usize {
+    let suffix =
+        locator.slice_source_code_at(&Location::new(stmt.end_location.unwrap().row() + 1, 0));
+    suffix
+        .lines()
+        .take_while(|line| line.trim().is_empty())
+        .count()
+}
+
 #[cfg(test)]
 mod tests {
     use anyhow::Result;

src/ast/operations.rs

@@ -1,4 +1,7 @@
+use rustpython_ast::{Cmpop, Located};
 use rustpython_parser::ast::{Constant, Expr, ExprKind, Stmt, StmtKind};
+use rustpython_parser::lexer;
+use rustpython_parser::lexer::Tok;
 
 use crate::ast::types::{BindingKind, Scope};
 
@@ -91,22 +94,275 @@ pub fn in_nested_block<'a>(parents: &mut impl Iterator<Item = &'a Stmt>) -> bool
     })
 }
 
-/// Check if a node represents an unpacking assignment.
-pub fn is_unpacking_assignment(stmt: &Stmt) -> bool {
-    if let StmtKind::Assign { targets, value, .. } = &stmt.node {
-        if !targets.iter().any(|child| {
-            matches!(
-                child.node,
-                ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
-            )
-        }) {
-            return false;
+/// Returns `true` if `parent` contains `child`.
+fn contains(parent: &Expr, child: &Expr) -> bool {
+    match &parent.node {
+        ExprKind::BoolOp { values, .. } => values.iter().any(|parent| contains(parent, child)),
+        ExprKind::NamedExpr { target, value } => contains(target, child) || contains(value, child),
+        ExprKind::BinOp { left, right, .. } => contains(left, child) || contains(right, child),
+        ExprKind::UnaryOp { operand, .. } => contains(operand, child),
+        ExprKind::Lambda { body, .. } => contains(body, child),
+        ExprKind::IfExp { test, body, orelse } => {
+            contains(test, child) || contains(body, child) || contains(orelse, child)
         }
-        match &value.node {
-            ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. } => return false,
-            _ => {}
+        ExprKind::Dict { keys, values } => keys
+            .iter()
+            .chain(values.iter())
+            .any(|parent| contains(parent, child)),
+        ExprKind::Set { elts } => elts.iter().any(|parent| contains(parent, child)),
+        ExprKind::ListComp { elt, .. } => contains(elt, child),
+        ExprKind::SetComp { elt, .. } => contains(elt, child),
+        ExprKind::DictComp { key, value, .. } => contains(key, child) || contains(value, child),
+        ExprKind::GeneratorExp { elt, .. } => contains(elt, child),
+        ExprKind::Await { value } => contains(value, child),
+        ExprKind::Yield { value } => value.as_ref().map_or(false, |value| contains(value, child)),
+        ExprKind::YieldFrom { value } => contains(value, child),
+        ExprKind::Compare {
+            left, comparators, ..
+        } => contains(left, child) || comparators.iter().any(|parent| contains(parent, child)),
+        ExprKind::Call {
+            func,
+            args,
+            keywords,
+        } => {
+            contains(func, child)
+                || args.iter().any(|parent| contains(parent, child))
+                || keywords
+                    .iter()
+                    .any(|keyword| contains(&keyword.node.value, child))
+        }
+        ExprKind::FormattedValue {
+            value, format_spec, ..
+        } => {
+            contains(value, child)
+                || format_spec
+                    .as_ref()
+                    .map_or(false, |value| contains(value, child))
+        }
+        ExprKind::JoinedStr { values } => values.iter().any(|parent| contains(parent, child)),
+        ExprKind::Constant { .. } => false,
+        ExprKind::Attribute { value, .. } => contains(value, child),
+        ExprKind::Subscript { value, slice, .. } => {
+            contains(value, child) || contains(slice, child)
+        }
+        ExprKind::Starred { value, .. } => contains(value, child),
+        ExprKind::Name { .. } => parent == child,
+        ExprKind::List { elts, .. } => elts.iter().any(|parent| contains(parent, child)),
+        ExprKind::Tuple { elts, .. } => elts.iter().any(|parent| contains(parent, child)),
+        ExprKind::Slice { lower, upper, step } => {
+            lower.as_ref().map_or(false, |value| contains(value, child))
+                || upper.as_ref().map_or(false, |value| contains(value, child))
+                || step.as_ref().map_or(false, |value| contains(value, child))
         }
-        return true;
     }
-    false
+}
+
+/// Check if a node represents an unpacking assignment.
+pub fn is_unpacking_assignment(parent: &Stmt, child: &Expr) -> bool {
+    match &parent.node {
+        StmtKind::With { items, .. } => items.iter().any(|item| {
+            if let Some(optional_vars) = &item.optional_vars {
+                if matches!(optional_vars.node, ExprKind::Tuple { .. }) {
+                    if contains(optional_vars, child) {
+                        return true;
+                    }
+                }
+            }
+            false
+        }),
+        StmtKind::Assign { targets, value, .. } => {
+            // In `(a, b) = (1, 2)`, `(1, 2)` is the target, and it is a tuple.
+            let value_is_tuple = matches!(
+                &value.node,
+                ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
+            );
+            // In `(a, b) = coords = (1, 2)`, `(a, b)` and `coords` are the targets, and
+            // `(a, b`) is a tuple. (We use "tuple" as a placeholder for any
+            // unpackable expression.)
+            let targets_are_tuples = targets.iter().all(|item| {
+                matches!(
+                    item.node,
+                    ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
+                )
+            });
+            // If we're looking at `a` in `(a, b) = coords = (1, 2)`, then we should
+            // identify that the current expression is in a tuple.
+            let child_in_tuple = targets_are_tuples
+                || targets.iter().any(|item| {
+                    matches!(
+                        item.node,
+                        ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
+                    ) && contains(item, child)
+                });
+
+            // If our child is a tuple, and value is not, it's always an unpacking
+            // expression. Ex) `x, y = tup`
+            if child_in_tuple && !value_is_tuple {
+                return true;
+            }
+
+            // If our child isn't a tuple, but value is, it's never an unpacking expression.
+            // Ex) `coords = (1, 2)`
+            if !child_in_tuple && value_is_tuple {
+                return false;
+            }
+
+            // If our target and the value are both tuples, then it's an unpacking
+            // expression assuming there's at least one non-tuple child.
+            // Ex) Given `(x, y) = coords = 1, 2`, `(x, y)` is considered an unpacking
+            // expression. Ex) Given `(x, y) = (a, b) = 1, 2`, `(x, y)` isn't
+            // considered an unpacking expression.
+            if child_in_tuple && value_is_tuple {
+                return !targets_are_tuples;
+            }
+
+            false
+        }
+        _ => false,
+    }
+}
+
+pub type LocatedCmpop<U = ()> = Located<Cmpop, U>;
+
+/// Extract all `Cmpop` operators from a source code snippet, with appropriate
+/// ranges.
+///
+/// `RustPython` doesn't include line and column information on `Cmpop` nodes.
+/// `CPython` doesn't either. This method iterates over the token stream and
+/// re-identifies `Cmpop` nodes, annotating them with valid ranges.
+pub fn locate_cmpops(contents: &str) -> Vec<LocatedCmpop> {
+    let mut tok_iter = lexer::make_tokenizer(contents)
+        .flatten()
+        .into_iter()
+        .peekable();
+    let mut ops: Vec<LocatedCmpop> = vec![];
+    let mut count: usize = 0;
+    loop {
+        let Some((start, tok, end)) = tok_iter.next() else {
+            break;
+        };
+        if matches!(tok, Tok::Lpar) {
+            count += 1;
+            continue;
+        } else if matches!(tok, Tok::Rpar) {
+            count -= 1;
+            continue;
+        }
+        if count == 0 {
+            match tok {
+                Tok::Not => {
+                    if let Some((_, _, end)) =
+                        tok_iter.next_if(|(_, tok, _)| matches!(tok, Tok::In))
+                    {
+                        ops.push(LocatedCmpop::new(start, end, Cmpop::NotIn));
+                    }
+                }
+                Tok::In => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::In));
+                }
+                Tok::Is => {
+                    if let Some((_, _, end)) =
+                        tok_iter.next_if(|(_, tok, _)| matches!(tok, Tok::Not))
+                    {
+                        ops.push(LocatedCmpop::new(start, end, Cmpop::IsNot));
+                    } else {
+                        ops.push(LocatedCmpop::new(start, end, Cmpop::Is));
+                    }
+                }
+                Tok::NotEqual => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::NotEq));
+                }
+                Tok::EqEqual => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::Eq));
+                }
+                Tok::GreaterEqual => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::GtE));
+                }
+                Tok::Greater => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::Gt));
+                }
+                Tok::LessEqual => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::LtE));
+                }
+                Tok::Less => {
+                    ops.push(LocatedCmpop::new(start, end, Cmpop::Lt));
+                }
+                _ => {}
+            }
+        }
+    }
+    ops
+}
+
+#[cfg(test)]
+mod tests {
+    use rustpython_ast::{Cmpop, Location};
+
+    use crate::ast::operations::{locate_cmpops, LocatedCmpop};
+
+    #[test]
+    fn locates_cmpops() {
+        assert_eq!(
+            locate_cmpops("x == 1"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 4),
+                Cmpop::Eq
+            )]
+        );
+
+        assert_eq!(
+            locate_cmpops("x != 1"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 4),
+                Cmpop::NotEq
+            )]
+        );
+
+        assert_eq!(
+            locate_cmpops("x is 1"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 4),
+                Cmpop::Is
+            )]
+        );
+
+        assert_eq!(
+            locate_cmpops("x is not 1"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 8),
+                Cmpop::IsNot
+            )]
+        );
+
+        assert_eq!(
+            locate_cmpops("x in 1"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 4),
+                Cmpop::In
+            )]
+        );
+
+        assert_eq!(
+            locate_cmpops("x not in 1"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 8),
+                Cmpop::NotIn
+            )]
+        );
+
+        assert_eq!(
+            locate_cmpops("x != (1 is not 2)"),
+            vec![LocatedCmpop::new(
+                Location::new(1, 2),
+                Location::new(1, 4),
+                Cmpop::NotEq
+            )]
+        );
+    }
 }

src/autofix/fixer.rs

@@ -92,7 +92,7 @@ fn apply_fixes<'a>(
     }
 
     // Add the remaining content.
-    let slice = locator.slice_source_code_at(last_pos);
+    let slice = locator.slice_source_code_at(&last_pos);
     output.append(&slice);
 
     (Cow::from(output.finish()), num_fixed)

src/check_ast.rs

@@ -5,7 +5,6 @@ use std::path::Path;
 
 use log::error;
 use rustc_hash::{FxHashMap, FxHashSet};
-use rustpython_ast::Withitem;
 use rustpython_parser::ast::{
     Arg, Arguments, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind,
     KeywordData, Operator, Stmt, StmtKind, Suite,
@@ -20,7 +19,7 @@ use crate::ast::relocate::relocate_expr;
 use crate::ast::types::{
     Binding, BindingContext, BindingKind, ClassScope, FunctionScope, Node, Range, Scope, ScopeKind,
 };
-use crate::ast::visitor::{walk_excepthandler, walk_withitem, Visitor};
+use crate::ast::visitor::{walk_excepthandler, Visitor};
 use crate::ast::{helpers, operations, visitor};
 use crate::checks::{Check, CheckCode, CheckKind, DeferralKeyword};
 use crate::docstrings::definition::{Definition, DefinitionKind, Documentable};
@@ -82,7 +81,6 @@ pub struct Checker<'a> {
     in_deferred_type_definition: bool,
     in_literal: bool,
     in_subscript: bool,
-    in_withitem: bool,
     seen_import_boundary: bool,
     futures_allowed: bool,
     annotations_future_enabled: bool,
@@ -130,7 +128,6 @@ impl<'a> Checker<'a> {
             in_deferred_type_definition: false,
             in_literal: false,
             in_subscript: false,
-            in_withitem: false,
             seen_import_boundary: false,
             futures_allowed: true,
             annotations_future_enabled: false,
@@ -2485,13 +2482,6 @@ where
 
         self.check_builtin_arg_shadowing(&arg.node.arg, Range::from_located(arg));
     }
-
-    fn visit_withitem(&mut self, withitem: &'b Withitem) {
-        let prev_in_withitem = self.in_withitem;
-        self.in_withitem = true;
-        walk_withitem(self, withitem);
-        self.in_withitem = prev_in_withitem;
-    }
 }
 
 fn try_mark_used(scope: &mut Scope, scope_id: usize, id: &str, expr: &Expr) -> bool {
@@ -2798,7 +2788,7 @@ impl<'a> Checker<'a> {
             return;
         }
 
-        if self.in_withitem || operations::is_unpacking_assignment(parent) {
+        if operations::is_unpacking_assignment(parent, expr) {
             self.add_binding(
                 id,
                 Binding {
@@ -3117,7 +3107,7 @@ impl<'a> Checker<'a> {
                                 Some(fix)
                             }
                             Err(e) => {
-                                error!("Failed to remove unused imports: {}", e);
+                                error!("Failed to remove unused imports: {e}");
                                 None
                             }
                         }

src/check_imports.rs

@@ -1,10 +1,10 @@
 //! Lint rules based on import analysis.
 
-use nohash_hasher::IntSet;
 use rustpython_parser::ast::Suite;
 
 use crate::ast::visitor::Visitor;
 use crate::checks::Check;
+use crate::directives::IsortDirectives;
 use crate::isort;
 use crate::isort::track::ImportTracker;
 use crate::settings::Settings;
@@ -18,7 +18,7 @@ fn check_import_blocks(
 ) -> Vec<Check> {
     let mut checks = vec![];
     for block in tracker.into_iter() {
-        if !block.is_empty() {
+        if !block.imports.is_empty() {
             if let Some(check) = isort::plugins::check_imports(&block, locator, settings, autofix) {
                 checks.push(check);
             }
@@ -30,11 +30,11 @@ fn check_import_blocks(
 pub fn check_imports(
     python_ast: &Suite,
     locator: &SourceCodeLocator,
-    exclusions: &IntSet<usize>,
+    directives: &IsortDirectives,
     settings: &Settings,
     autofix: bool,
 ) -> Vec<Check> {
-    let mut tracker = ImportTracker::new(exclusions);
+    let mut tracker = ImportTracker::new(directives);
     for stmt in python_ast {
         tracker.visit_stmt(stmt);
     }

src/check_tokens.rs

@@ -4,9 +4,9 @@ use rustpython_parser::lexer::{LexResult, Tok};
 
 use crate::checks::{Check, CheckCode};
 use crate::lex::docstring_detection::StateMachine;
-use crate::rules::checks::Context;
+use crate::ruff::checks::Context;
 use crate::source_code_locator::SourceCodeLocator;
-use crate::{eradicate, flake8_quotes, pycodestyle, rules, Settings};
+use crate::{eradicate, flake8_quotes, pycodestyle, ruff, Settings};
 
 pub fn check_tokens(
     locator: &SourceCodeLocator,
@@ -37,7 +37,7 @@ pub fn check_tokens(
         // RUF001, RUF002, RUF003
         if enforce_ambiguous_unicode_character {
             if matches!(tok, Tok::String { .. } | Tok::Comment) {
-                checks.extend(rules::checks::ambiguous_unicode_character(
+                checks.extend(ruff::checks::ambiguous_unicode_character(
                     locator,
                     start,
                     end,

src/checks.rs

@@ -2497,6 +2497,8 @@ impl CheckKind {
                 | CheckKind::DoNotAssertFalse
                 | CheckKind::DoNotAssignLambda
                 | CheckKind::DuplicateHandlerException(..)
+                | CheckKind::EndsInPeriod
+                | CheckKind::EndsInPunctuation
                 | CheckKind::GetAttrWithConstant
                 | CheckKind::ImplicitReturn
                 | CheckKind::ImplicitReturnValue
@@ -2617,8 +2619,7 @@ mod tests {
         for check_code in CheckCode::iter() {
             assert!(
                 CheckCode::from_str(check_code.as_ref()).is_ok(),
-                "{:?} could not be round-trip serialized.",
-                check_code
+                "{check_code:?} could not be round-trip serialized."
             );
         }
     }

src/directives.rs

@@ -30,9 +30,15 @@ impl Flags {
     }
 }
 
+#[derive(Default)]
+pub struct IsortDirectives {
+    pub exclusions: IntSet<usize>,
+    pub splits: Vec<usize>,
+}
+
 pub struct Directives {
     pub noqa_line_for: IntMap<usize, usize>,
-    pub isort_exclusions: IntSet<usize>,
+    pub isort: IsortDirectives,
 }
 
 pub fn extract_directives(
@@ -46,10 +52,10 @@ pub fn extract_directives(
         } else {
             IntMap::default()
         },
-        isort_exclusions: if flags.contains(Flags::ISORT) {
-            extract_isort_exclusions(lxr, locator)
+        isort: if flags.contains(Flags::ISORT) {
+            extract_isort_directives(lxr, locator)
         } else {
-            IntSet::default()
+            IsortDirectives::default()
         },
     }
 }
@@ -73,17 +79,32 @@ pub fn extract_noqa_line_for(lxr: &[LexResult]) -> IntMap<usize, usize> {
 }
 
 /// Extract a set of lines over which to disable isort.
-pub fn extract_isort_exclusions(lxr: &[LexResult], locator: &SourceCodeLocator) -> IntSet<usize> {
+pub fn extract_isort_directives(lxr: &[LexResult], locator: &SourceCodeLocator) -> IsortDirectives {
     let mut exclusions: IntSet<usize> = IntSet::default();
+    let mut splits: Vec<usize> = Vec::default();
+    let mut skip_file: bool = false;
     let mut off: Option<Location> = None;
+    let mut last: Option<Location> = None;
     for &(start, ref tok, end) in lxr.iter().flatten() {
-        // TODO(charlie): Modify RustPython to include the comment text in the token.
+        last = Some(end);
+
+        // No need to keep processing, but we do need to determine the last token.
+        if skip_file {
+            continue;
+        }
+
         if matches!(tok, Tok::Comment) {
+            // TODO(charlie): Modify RustPython to include the comment text in the token.
             let comment_text = locator.slice_source_code_range(&Range {
                 location: start,
                 end_location: end,
             });
-            if off.is_some() {
+
+            if comment_text == "# isort: split" {
+                splits.push(start.row());
+            } else if comment_text == "# isort: skip_file" {
+                skip_file = true;
+            } else if off.is_some() {
                 if comment_text == "# isort: on" {
                     if let Some(start) = off {
                         for row in start.row() + 1..=end.row() {
@@ -93,43 +114,50 @@ pub fn extract_isort_exclusions(lxr: &[LexResult], locator: &SourceCodeLocator)
                     off = None;
                 }
             } else {
-                if comment_text.contains("isort: skip") || comment_text.contains("isort:skip") {
+                if comment_text.contains("isort: skip") {
                     exclusions.insert(start.row());
                 } else if comment_text == "# isort: off" {
                     off = Some(start);
                 }
             }
-        } else if matches!(tok, Tok::EndOfFile) {
-            if let Some(start) = off {
-                for row in start.row() + 1..=end.row() {
-                    exclusions.insert(row);
-                }
-            }
-            break;
         }
     }
-    exclusions
+    if skip_file {
+        // Enforce `isort: skip_file`.
+        if let Some(end) = last {
+            for row in 1..=end.row() {
+                exclusions.insert(row);
+            }
+        }
+    } else if let Some(start) = off {
+        // Enforce unterminated `isort: off`.
+        if let Some(end) = last {
+            for row in start.row() + 1..=end.row() {
+                exclusions.insert(row);
+            }
+        }
+    }
+    IsortDirectives { exclusions, splits }
 }
 
 #[cfg(test)]
 mod tests {
-    use nohash_hasher::IntMap;
+    use nohash_hasher::{IntMap, IntSet};
     use rustpython_parser::lexer;
     use rustpython_parser::lexer::LexResult;
 
-    use crate::directives::extract_noqa_line_for;
+    use crate::directives::{extract_isort_directives, extract_noqa_line_for};
+    use crate::SourceCodeLocator;
 
     #[test]
-    fn extraction() {
-        let empty: IntMap<usize, usize> = IntMap::default();
-
+    fn noqa_extraction() {
         let lxr: Vec<LexResult> = lexer::make_tokenizer(
             "x = 1
 y = 2
 z = x + 1",
         )
         .collect();
-        assert_eq!(extract_noqa_line_for(&lxr), empty);
+        assert_eq!(extract_noqa_line_for(&lxr), IntMap::default());
 
         let lxr: Vec<LexResult> = lexer::make_tokenizer(
             "
@@ -138,7 +166,7 @@ y = 2
 z = x + 1",
         )
         .collect();
-        assert_eq!(extract_noqa_line_for(&lxr), empty);
+        assert_eq!(extract_noqa_line_for(&lxr), IntMap::default());
 
         let lxr: Vec<LexResult> = lexer::make_tokenizer(
             "x = 1
@@ -147,7 +175,7 @@ z = x + 1
         ",
         )
         .collect();
-        assert_eq!(extract_noqa_line_for(&lxr), empty);
+        assert_eq!(extract_noqa_line_for(&lxr), IntMap::default());
 
         let lxr: Vec<LexResult> = lexer::make_tokenizer(
             "x = 1
@@ -157,7 +185,7 @@ z = x + 1
         ",
         )
         .collect();
-        assert_eq!(extract_noqa_line_for(&lxr), empty);
+        assert_eq!(extract_noqa_line_for(&lxr), IntMap::default());
 
         let lxr: Vec<LexResult> = lexer::make_tokenizer(
             "x = '''abc
@@ -200,4 +228,106 @@ z = x + 1",
             IntMap::from_iter([(2, 5), (3, 5), (4, 5)])
         );
     }
+
+    #[test]
+    fn isort_exclusions() {
+        let contents = "x = 1
+y = 2
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).exclusions,
+            IntSet::default()
+        );
+
+        let contents = "# isort: off
+x = 1
+y = 2
+# isort: on
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).exclusions,
+            IntSet::from_iter([2, 3, 4])
+        );
+
+        let contents = "# isort: off
+x = 1
+# isort: off
+y = 2
+# isort: on
+z = x + 1
+# isort: on";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).exclusions,
+            IntSet::from_iter([2, 3, 4, 5])
+        );
+
+        let contents = "# isort: off
+x = 1
+y = 2
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).exclusions,
+            IntSet::from_iter([2, 3, 4])
+        );
+
+        let contents = "# isort: skip_file
+x = 1
+y = 2
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).exclusions,
+            IntSet::from_iter([1, 2, 3, 4])
+        );
+
+        let contents = "# isort: off
+x = 1
+# isort: on
+y = 2
+# isort: skip_file
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).exclusions,
+            IntSet::from_iter([1, 2, 3, 4, 5, 6])
+        );
+    }
+
+    #[test]
+    fn isort_splits() {
+        let contents = "x = 1
+y = 2
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(
+            extract_isort_directives(&lxr, &locator).splits,
+            Vec::<usize>::new()
+        );
+
+        let contents = "x = 1
+y = 2
+# isort: split
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(extract_isort_directives(&lxr, &locator).splits, vec![3]);
+
+        let contents = "x = 1
+y = 2  # isort: split
+z = x + 1";
+        let lxr: Vec<LexResult> = lexer::make_tokenizer(contents).collect();
+        let locator = SourceCodeLocator::new(contents);
+        assert_eq!(extract_isort_directives(&lxr, &locator).splits, vec![2]);
+    }
 }

src/docstrings/extraction.rs

@@ -7,20 +7,20 @@ use crate::visibility::{Modifier, VisibleScope};
 
 /// Extract a docstring from a function or class body.
 pub fn docstring_from(suite: &[Stmt]) -> Option<&Expr> {
-    if let Some(stmt) = suite.first() {
-        if let StmtKind::Expr { value } = &stmt.node {
-            if matches!(
-                &value.node,
-                ExprKind::Constant {
-                    value: Constant::Str(_),
-                    ..
-                }
-            ) {
-                return Some(value);
-            }
+    let stmt = suite.first()?;
+    let StmtKind::Expr { value } = &stmt.node else {
+        return None;
+    };
+    if !matches!(
+        &value.node,
+        ExprKind::Constant {
+            value: Constant::Str(_),
+            ..
         }
+    ) {
+        return None;
     }
-    None
+    Some(value)
 }
 
 /// Extract a `Definition` from the AST node defined by a `Stmt`.

src/flake8_annotations/settings.rs

@@ -1,22 +1,51 @@
 //! Settings for the `flake-annotations` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
-    /// Allow omission of a return type hint for `__init__` if at least one
-    /// argument is annotated.
+    #[option(
+        doc = r#"
+            Whether to allow the omission of a return type hint for `__init__` if at least one
+            argument is annotated.
+        "#,
+        default = "false",
+        value_type = "bool",
+        example = "mypy-init-return = true"
+    )]
     pub mypy_init_return: Option<bool>,
-    /// Suppress ANN000-level errors for dummy arguments, like `_`.
+    #[option(
+        doc = r#"
+            Whether to suppress `ANN000`-level errors for arguments matching the "dummy" variable
+            regex (like `_`).
+        "#,
+        default = "false",
+        value_type = "bool",
+        example = "suppress-dummy-args = true"
+    )]
     pub suppress_dummy_args: Option<bool>,
-    /// Suppress ANN200-level errors for functions that meet one of the
-    /// following criteria:
-    /// - Contain no `return` statement
-    /// - Explicit `return` statement(s) all return `None` (explicitly or
-    ///   implicitly).
+    #[option(
+        doc = r#"
+            Whether to suppress `ANN200`-level errors for functions that meet either of the
+            following criteria:
+
+            - Contain no `return` statement.
+            - Explicit `return` statement(s) all return `None` (explicitly or implicitly).
+        "#,
+        default = "false",
+        value_type = "bool",
+        example = "suppress-none-returning = true"
+    )]
     pub suppress_none_returning: Option<bool>,
-    /// Suppress ANN401 for dynamically typed *args and **kwargs.
+    #[option(
+        doc = "Whether to suppress `ANN401` for dynamically typed `*args` and `**kwargs` \
+               arguments.",
+        default = "false",
+        value_type = "bool",
+        example = "allow-star-arg-any = true"
+    )]
     pub allow_star_arg_any: Option<bool>,
 }
 

src/flake8_bandit/plugins/exec_used.rs

@@ -5,10 +5,11 @@ use crate::checks::{Check, CheckKind};
 
 /// S102
 pub fn exec_used(expr: &Expr, func: &Expr) -> Option<Check> {
-    if let ExprKind::Name { id, .. } = &func.node {
-        if id == "exec" {
-            return Some(Check::new(CheckKind::ExecUsed, Range::from_located(expr)));
-        }
+    let ExprKind::Name { id, .. } = &func.node else {
+        return None;
+    };
+    if id != "exec" {
+        return None;
     }
-    None
+    Some(Check::new(CheckKind::ExecUsed, Range::from_located(expr)))
 }

src/flake8_bandit/plugins/hardcoded_password_default.rs

@@ -5,16 +5,15 @@ use crate::checks::{Check, CheckKind};
 use crate::flake8_bandit::helpers::{matches_password_name, string_literal};
 
 fn check_password_kwarg(arg: &Located<ArgData>, default: &Expr) -> Option<Check> {
-    if let Some(string) = string_literal(default) {
-        let kwarg_name = &arg.node.arg;
-        if matches_password_name(kwarg_name) {
-            return Some(Check::new(
-                CheckKind::HardcodedPasswordDefault(string.to_string()),
-                Range::from_located(default),
-            ));
-        }
+    let string = string_literal(default)?;
+    let kwarg_name = &arg.node.arg;
+    if !matches_password_name(kwarg_name) {
+        return None;
     }
-    None
+    Some(Check::new(
+        CheckKind::HardcodedPasswordDefault(string.to_string()),
+        Range::from_located(default),
+    ))
 }
 
 /// S107

src/flake8_bandit/plugins/hardcoded_password_func_arg.rs

@@ -9,17 +9,15 @@ pub fn hardcoded_password_func_arg(keywords: &[Keyword]) -> Vec<Check> {
     keywords
         .iter()
         .filter_map(|keyword| {
-            if let Some(string) = string_literal(&keyword.node.value) {
-                if let Some(arg) = &keyword.node.arg {
-                    if matches_password_name(arg) {
-                        return Some(Check::new(
-                            CheckKind::HardcodedPasswordFuncArg(string.to_string()),
-                            Range::from_located(keyword),
-                        ));
-                    }
-                }
+            let string = string_literal(&keyword.node.value)?;
+            let arg = keyword.node.arg.as_ref()?;
+            if !matches_password_name(arg) {
+                return None;
             }
-            None
+            Some(Check::new(
+                CheckKind::HardcodedPasswordFuncArg(string.to_string()),
+                Range::from_located(keyword),
+            ))
         })
         .collect()
 }

src/flake8_bandit/plugins/hardcoded_password_string.rs

@@ -29,15 +29,14 @@ pub fn compare_to_hardcoded_password_string(left: &Expr, comparators: &[Expr]) -
     comparators
         .iter()
         .filter_map(|comp| {
-            if let Some(string) = string_literal(comp) {
-                if is_password_target(left) {
-                    return Some(Check::new(
-                        CheckKind::HardcodedPasswordString(string.to_string()),
-                        Range::from_located(comp),
-                    ));
-                }
+            let string = string_literal(comp)?;
+            if !is_password_target(left) {
+                return None;
             }
-            None
+            Some(Check::new(
+                CheckKind::HardcodedPasswordString(string.to_string()),
+                Range::from_located(comp),
+            ))
         })
         .collect()
 }

src/flake8_blind_except/plugins.rs

@@ -6,17 +6,18 @@ 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_),
-                        ));
-                    }
-                }
+        let ExcepthandlerKind::ExceptHandler { type_: Some(type_), .. } = &handler.node else {
+            continue;
+        };
+        let ExprKind::Name { id, .. } = &type_.node else {
+            continue;
+        };
+        for exception in ["BaseException", "Exception"] {
+            if id == exception {
+                checker.add_check(Check::new(
+                    CheckKind::BlindExcept,
+                    Range::from_located(type_),
+                ));
             }
         }
     }

src/flake8_boolean_trap/plugins.rs

@@ -11,11 +11,10 @@ const FUNC_NAME_ALLOWLIST: &[&str] = &["get", "setdefault", "pop", "fromkeys"];
 /// `true`, the function name must be explicitly allowed, and the argument must
 /// be either the first or second argument in the call.
 fn allow_boolean_trap(func: &Expr) -> bool {
-    if let ExprKind::Attribute { attr, .. } = &func.node {
-        FUNC_NAME_ALLOWLIST.contains(&attr.as_ref())
-    } else {
-        false
-    }
+    let ExprKind::Attribute { attr, .. } = &func.node else {
+        return false;
+    };
+    FUNC_NAME_ALLOWLIST.contains(&attr.as_ref())
 }
 
 fn is_boolean_arg(arg: &Expr) -> bool {
@@ -39,24 +38,26 @@ pub fn check_positional_boolean_in_def(checker: &mut Checker, arguments: &Argume
         if arg.node.annotation.is_none() {
             continue;
         }
+        let Some(expr) = &arg.node.annotation else {
+            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),
-                ));
-            }
+        // 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 {
+            continue;
         }
+        checker.add_check(Check::new(
+            CheckKind::BooleanPositionalArgInFunctionDefinition,
+            Range::from_located(arg),
+        ));
     }
 }
 

src/flake8_bugbear/plugins/abstract_base_class.rs

@@ -67,24 +67,28 @@ pub fn abstract_base_class(
     keywords: &[Keyword],
     body: &[Stmt],
 ) {
-    if bases.len() + keywords.len() == 1
-        && is_abc_class(
-            bases,
-            keywords,
-            &checker.from_imports,
-            &checker.import_aliases,
-        )
-    {
-        let mut has_abstract_method = false;
-        for stmt in body {
-            // https://github.com/PyCQA/flake8-bugbear/issues/293
-            // Ignore abc's that declares a class attribute that must be set
-            if let StmtKind::AnnAssign { .. } | StmtKind::Assign { .. } = &stmt.node {
-                has_abstract_method = true;
-                continue;
-            }
+    if bases.len() + keywords.len() != 1 {
+        return;
+    }
+    if !is_abc_class(
+        bases,
+        keywords,
+        &checker.from_imports,
+        &checker.import_aliases,
+    ) {
+        return;
+    }
 
-            if let StmtKind::FunctionDef {
+    let mut has_abstract_method = false;
+    for stmt in body {
+        // https://github.com/PyCQA/flake8-bugbear/issues/293
+        // Ignore abc's that declares a class attribute that must be set
+        if let StmtKind::AnnAssign { .. } | StmtKind::Assign { .. } = &stmt.node {
+            has_abstract_method = true;
+            continue;
+        }
+
+        let (StmtKind::FunctionDef {
                 decorator_list,
                 body,
                 ..
@@ -93,36 +97,38 @@ pub fn abstract_base_class(
                 decorator_list,
                 body,
                 ..
-            } = &stmt.node
-            {
-                let has_abstract_decorator = decorator_list
-                    .iter()
-                    .any(|d| is_abstractmethod(d, &checker.from_imports, &checker.import_aliases));
+            }) = &stmt.node else {
+            continue;
+        };
 
-                has_abstract_method |= has_abstract_decorator;
+        let has_abstract_decorator = decorator_list
+            .iter()
+            .any(|d| is_abstractmethod(d, &checker.from_imports, &checker.import_aliases));
 
-                if checker.settings.enabled.contains(&CheckCode::B027) {
-                    if !has_abstract_decorator
-                        && is_empty_body(body)
-                        && !decorator_list
-                            .iter()
-                            .any(|d| is_overload(d, &checker.from_imports, &checker.import_aliases))
-                    {
-                        checker.add_check(Check::new(
-                            CheckKind::EmptyMethodWithoutAbstractDecorator(name.to_string()),
-                            Range::from_located(stmt),
-                        ));
-                    }
-                }
-            }
+        has_abstract_method |= has_abstract_decorator;
+
+        if !checker.settings.enabled.contains(&CheckCode::B027) {
+            continue;
         }
-        if checker.settings.enabled.contains(&CheckCode::B024) {
-            if !has_abstract_method {
-                checker.add_check(Check::new(
-                    CheckKind::AbstractBaseClassWithoutAbstractMethod(name.to_string()),
-                    Range::from_located(stmt),
-                ));
-            }
+
+        if !has_abstract_decorator
+            && is_empty_body(body)
+            && !decorator_list
+                .iter()
+                .any(|d| is_overload(d, &checker.from_imports, &checker.import_aliases))
+        {
+            checker.add_check(Check::new(
+                CheckKind::EmptyMethodWithoutAbstractDecorator(name.to_string()),
+                Range::from_located(stmt),
+            ));
+        }
+    }
+    if checker.settings.enabled.contains(&CheckCode::B024) {
+        if !has_abstract_method {
+            checker.add_check(Check::new(
+                CheckKind::AbstractBaseClassWithoutAbstractMethod(name.to_string()),
+                Range::from_located(stmt),
+            ));
         }
     }
 }

src/flake8_bugbear/plugins/assert_false.rs

@@ -38,23 +38,24 @@ 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 {
+    let ExprKind::Constant {
         value: Constant::Bool(false),
         ..
-    } = &test.node
-    {
-        let mut check = Check::new(CheckKind::DoNotAssertFalse, Range::from_located(test));
-        if checker.patch(check.kind.code()) {
-            let mut generator = SourceGenerator::new();
-            generator.unparse_stmt(&assertion_error(msg));
-            if let Ok(content) = generator.generate() {
-                check.amend(Fix::replacement(
-                    content,
-                    stmt.location,
-                    stmt.end_location.unwrap(),
-                ));
-            }
+    } = &test.node else {
+        return;
+    };
+
+    let mut check = Check::new(CheckKind::DoNotAssertFalse, Range::from_located(test));
+    if checker.patch(check.kind.code()) {
+        let mut generator = SourceGenerator::new();
+        generator.unparse_stmt(&assertion_error(msg));
+        if let Ok(content) = generator.generate() {
+            check.amend(Fix::replacement(
+                content,
+                stmt.location,
+                stmt.end_location.unwrap(),
+            ));
         }
-        checker.add_check(check);
     }
+    checker.add_check(check);
 }

src/flake8_bugbear/plugins/assert_raises_exception.rs

@@ -7,25 +7,34 @@ use crate::checks::{Check, CheckKind};
 
 /// B017
 pub fn assert_raises_exception(checker: &mut Checker, stmt: &Stmt, items: &[Withitem]) {
-    if let Some(item) = items.first() {
-        let item_context = &item.context_expr;
-        if let ExprKind::Call { func, args, .. } = &item_context.node {
-            if args.len() == 1
-                && item.optional_vars.is_none()
-                && matches!(&func.node, ExprKind::Attribute { attr, .. } if attr == "assertRaises")
-                && match_module_member(
-                    args.first().unwrap(),
-                    "",
-                    "Exception",
-                    &checker.from_imports,
-                    &checker.import_aliases,
-                )
-            {
-                checker.add_check(Check::new(
-                    CheckKind::NoAssertRaisesException,
-                    Range::from_located(stmt),
-                ));
-            }
-        }
+    let Some(item) = items.first() else {
+        return;
+    };
+    let item_context = &item.context_expr;
+    let ExprKind::Call { func, args, .. } = &item_context.node else {
+        return;
+    };
+    if args.len() != 1 {
+        return;
     }
+    if item.optional_vars.is_some() {
+        return;
+    }
+    if !matches!(&func.node, ExprKind::Attribute { attr, .. } if attr == "assertRaises") {
+        return;
+    }
+    if !match_module_member(
+        args.first().unwrap(),
+        "",
+        "Exception",
+        &checker.from_imports,
+        &checker.import_aliases,
+    ) {
+        return;
+    }
+
+    checker.add_check(Check::new(
+        CheckKind::NoAssertRaisesException,
+        Range::from_located(stmt),
+    ));
 }

src/flake8_bugbear/plugins/assignment_to_os_environ.rs

@@ -6,19 +6,24 @@ use crate::checks::{Check, CheckKind};
 
 /// B003
 pub fn assignment_to_os_environ(checker: &mut Checker, targets: &[Expr]) {
-    if targets.len() == 1 {
-        let target = &targets[0];
-        if let ExprKind::Attribute { value, attr, .. } = &target.node {
-            if attr == "environ" {
-                if let ExprKind::Name { id, .. } = &value.node {
-                    if id == "os" {
-                        checker.add_check(Check::new(
-                            CheckKind::AssignmentToOsEnviron,
-                            Range::from_located(target),
-                        ));
-                    }
-                }
-            }
-        }
+    if targets.len() != 1 {
+        return;
     }
+    let target = &targets[0];
+    let ExprKind::Attribute { value, attr, .. } = &target.node else {
+        return;
+    };
+    if attr != "environ" {
+        return;
+    }
+    let ExprKind::Name { id, .. } = &value.node else {
+                    return;
+                };
+    if id != "os" {
+        return;
+    }
+    checker.add_check(Check::new(
+        CheckKind::AssignmentToOsEnviron,
+        Range::from_located(target),
+    ));
 }

src/flake8_bugbear/plugins/cached_instance_method.rs

@@ -13,29 +13,30 @@ fn is_cache_func(checker: &Checker, expr: &Expr) -> bool {
 
 /// B019
 pub fn cached_instance_method(checker: &mut Checker, decorator_list: &[Expr]) {
-    if matches!(checker.current_scope().kind, ScopeKind::Class(_)) {
-        for decorator in decorator_list {
-            // TODO(charlie): This should take into account `classmethod-decorators` and
-            // `staticmethod-decorators`.
-            if let ExprKind::Name { id, .. } = &decorator.node {
-                if id == "classmethod" || id == "staticmethod" {
-                    return;
-                }
-            }
-        }
-        for decorator in decorator_list {
-            if is_cache_func(
-                checker,
-                match &decorator.node {
-                    ExprKind::Call { func, .. } => func,
-                    _ => decorator,
-                },
-            ) {
-                checker.add_check(Check::new(
-                    CheckKind::CachedInstanceMethod,
-                    Range::from_located(decorator),
-                ));
+    if !matches!(checker.current_scope().kind, ScopeKind::Class(_)) {
+        return;
+    }
+    for decorator in decorator_list {
+        // TODO(charlie): This should take into account `classmethod-decorators` and
+        // `staticmethod-decorators`.
+        if let ExprKind::Name { id, .. } = &decorator.node {
+            if id == "classmethod" || id == "staticmethod" {
+                return;
             }
         }
     }
+    for decorator in decorator_list {
+        if is_cache_func(
+            checker,
+            match &decorator.node {
+                ExprKind::Call { func, .. } => func,
+                _ => decorator,
+            },
+        ) {
+            checker.add_check(Check::new(
+                CheckKind::CachedInstanceMethod,
+                Range::from_located(decorator),
+            ));
+        }
+    }
 }

src/flake8_bugbear/plugins/cannot_raise_literal.rs

@@ -6,10 +6,11 @@ use crate::checks::{Check, CheckKind};
 
 /// B016
 pub fn cannot_raise_literal(checker: &mut Checker, expr: &Expr) {
-    if let ExprKind::Constant { .. } = &expr.node {
-        checker.add_check(Check::new(
-            CheckKind::CannotRaiseLiteral,
-            Range::from_located(expr),
-        ));
-    }
+    let ExprKind::Constant { .. } = &expr.node else {
+        return;
+    };
+    checker.add_check(Check::new(
+        CheckKind::CannotRaiseLiteral,
+        Range::from_located(expr),
+    ));
 }

src/flake8_bugbear/plugins/duplicate_exceptions.rs

@@ -79,33 +79,30 @@ pub fn duplicate_exceptions(checker: &mut Checker, stmt: &Stmt, handlers: &[Exce
     let mut seen: BTreeSet<Vec<&str>> = BTreeSet::default();
     let mut duplicates: BTreeSet<Vec<&str>> = BTreeSet::default();
     for handler in handlers {
-        match &handler.node {
-            ExcepthandlerKind::ExceptHandler { type_, .. } => {
-                if let Some(type_) = type_ {
-                    match &type_.node {
-                        ExprKind::Attribute { .. } | ExprKind::Name { .. } => {
-                            let call_path = helpers::collect_call_paths(type_);
-                            if !call_path.is_empty() {
-                                if seen.contains(&call_path) {
-                                    duplicates.insert(call_path);
-                                } else {
-                                    seen.insert(call_path);
-                                }
-                            }
-                        }
-                        ExprKind::Tuple { elts, .. } => {
-                            for name in duplicate_handler_exceptions(checker, type_, elts) {
-                                if seen.contains(&name) {
-                                    duplicates.insert(name);
-                                } else {
-                                    seen.insert(name);
-                                }
-                            }
-                        }
-                        _ => {}
+        let ExcepthandlerKind::ExceptHandler { type_: Some(type_), .. } = &handler.node else {
+            continue;
+        };
+        match &type_.node {
+            ExprKind::Attribute { .. } | ExprKind::Name { .. } => {
+                let call_path = helpers::collect_call_paths(type_);
+                if !call_path.is_empty() {
+                    if seen.contains(&call_path) {
+                        duplicates.insert(call_path);
+                    } else {
+                        seen.insert(call_path);
                     }
                 }
             }
+            ExprKind::Tuple { elts, .. } => {
+                for name in duplicate_handler_exceptions(checker, type_, elts) {
+                    if seen.contains(&name) {
+                        duplicates.insert(name);
+                    } else {
+                        seen.insert(name);
+                    }
+                }
+            }
+            _ => {}
         }
     }
 

src/flake8_bugbear/plugins/f_string_docstring.rs

@@ -6,14 +6,17 @@ use crate::checks::{Check, CheckKind};
 
 /// B021
 pub fn f_string_docstring(checker: &mut Checker, body: &[Stmt]) {
-    if let Some(stmt) = body.first() {
-        if let StmtKind::Expr { value } = &stmt.node {
-            if let ExprKind::JoinedStr { .. } = value.node {
-                checker.add_check(Check::new(
-                    CheckKind::FStringDocstring,
-                    Range::from_located(stmt),
-                ));
-            }
-        }
-    }
+    let Some(stmt) = body.first() else {
+        return;
+    };
+    let StmtKind::Expr { value } = &stmt.node else {
+        return;
+    };
+    let ExprKind::JoinedStr { .. } = value.node else {
+        return;
+    };
+    checker.add_check(Check::new(
+        CheckKind::FStringDocstring,
+        Range::from_located(stmt),
+    ));
 }

src/flake8_bugbear/plugins/function_call_argument_default.rs

@@ -71,29 +71,26 @@ where
 }
 
 fn is_nan_or_infinity(expr: &Expr, args: &[Expr]) -> bool {
-    if let ExprKind::Name { id, .. } = &expr.node {
-        if id == "float" {
-            if let Some(arg) = args.first() {
-                if let ExprKind::Constant {
-                    value: Constant::Str(value),
-                    ..
-                } = &arg.node
-                {
-                    let lowercased = value.to_lowercase();
-                    return lowercased == "nan"
-                        || lowercased == "+nan"
-                        || lowercased == "-nan"
-                        || lowercased == "inf"
-                        || lowercased == "+inf"
-                        || lowercased == "-inf"
-                        || lowercased == "infinity"
-                        || lowercased == "+infinity"
-                        || lowercased == "-infinity";
-                }
-            }
-        }
+    let ExprKind::Name { id, .. } = &expr.node else {
+        return false;
+    };
+    if id != "float" {
+        return false;
     }
-    false
+    let Some(arg) = args.first() else {
+        return false;
+    };
+    let ExprKind::Constant {
+        value: Constant::Str(value),
+        ..
+    } = &arg.node else {
+        return false;
+    };
+    let lowercased = value.to_lowercase();
+    matches!(
+        lowercased.as_str(),
+        "nan" | "+nan" | "-nan" | "inf" | "+inf" | "-inf" | "infinity" | "+infinity" | "-infinity"
+    )
 }
 
 /// B008

src/flake8_bugbear/plugins/getattr_with_constant.rs

@@ -22,32 +22,39 @@ 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" {
-            if let [obj, arg] = args {
-                if let ExprKind::Constant {
-                    value: Constant::Str(value),
-                    ..
-                } = &arg.node
-                {
-                    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(check.kind.code()) {
-                            let mut generator = SourceGenerator::new();
-                            generator.unparse_expr(&attribute(obj, value), 0);
-                            if let Ok(content) = generator.generate() {
-                                check.amend(Fix::replacement(
-                                    content,
-                                    expr.location,
-                                    expr.end_location.unwrap(),
-                                ));
-                            }
-                        }
-                        checker.add_check(check);
-                    }
-                }
-            }
+    let ExprKind::Name { id, .. } = &func.node else {
+        return;
+    };
+    if id != "getattr" {
+        return;
+    }
+    let [obj, arg] = args else {
+        return;
+    };
+    let ExprKind::Constant {
+        value: Constant::Str(value),
+        ..
+    } = &arg.node else {
+        return;
+    };
+    if !IDENTIFIER_REGEX.is_match(value) {
+        return;
+    }
+    if KWLIST.contains(&value.as_str()) {
+        return;
+    }
+
+    let mut check = Check::new(CheckKind::GetAttrWithConstant, Range::from_located(expr));
+    if checker.patch(check.kind.code()) {
+        let mut generator = SourceGenerator::new();
+        generator.unparse_expr(&attribute(obj, value), 0);
+        if let Ok(content) = generator.generate() {
+            check.amend(Fix::replacement(
+                content,
+                expr.location,
+                expr.end_location.unwrap(),
+            ));
         }
     }
+    checker.add_check(check);
 }

src/flake8_bugbear/plugins/raise_without_from_inside_except.rs

@@ -13,21 +13,18 @@ struct RaiseVisitor {
 impl<'a> Visitor<'a> for RaiseVisitor {
     fn visit_stmt(&mut self, stmt: &'a Stmt) {
         match &stmt.node {
-            StmtKind::Raise { exc, cause } => {
-                if cause.is_none() {
-                    if let Some(exc) = exc {
-                        match &exc.node {
-                            ExprKind::Name { id, .. } if is_lower(id) => {}
-                            _ => {
-                                self.checks.push(Check::new(
-                                    CheckKind::RaiseWithoutFromInsideExcept,
-                                    Range::from_located(stmt),
-                                ));
-                            }
-                        }
-                    }
+            StmtKind::Raise {
+                exc: Some(exc),
+                cause: None,
+            } => match &exc.node {
+                ExprKind::Name { id, .. } if is_lower(id) => {}
+                _ => {
+                    self.checks.push(Check::new(
+                        CheckKind::RaiseWithoutFromInsideExcept,
+                        Range::from_located(stmt),
+                    ));
                 }
-            }
+            },
             StmtKind::ClassDef { .. }
             | StmtKind::FunctionDef { .. }
             | StmtKind::AsyncFunctionDef { .. }

src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs

@@ -39,46 +39,47 @@ fn match_tuple_range<T>(located: &Located<T>, locator: &SourceCodeLocator) -> Re
             }
         }
     }
-    if let (Some(location), Some(end_location)) = (location, end_location) {
-        Ok(Range {
-            location,
-            end_location,
-        })
-    } else {
+    let (Some(location), Some(end_location)) = (location, end_location) else {
         bail!("Unable to find left and right parentheses");
-    }
+    };
+    Ok(Range {
+        location,
+        end_location,
+    })
 }
 
 /// B013
 pub fn redundant_tuple_in_exception_handler(checker: &mut Checker, handlers: &[Excepthandler]) {
     for handler in handlers {
-        let ExcepthandlerKind::ExceptHandler { type_, .. } = &handler.node;
-        if let Some(type_) = type_ {
-            if let ExprKind::Tuple { elts, .. } = &type_.node {
-                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();
-                        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),
-                            }
-                        }
+        let ExcepthandlerKind::ExceptHandler { type_: Some(type_), .. } = &handler.node else {
+            continue;
+        };
+        let ExprKind::Tuple { elts, .. } = &type_.node else {
+            continue;
+        };
+        let [elt] = &elts[..] else {
+            continue;
+        };
+        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();
+            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,
+                        ));
                     }
-                    checker.add_check(check);
+                    Err(e) => error!("Failed to locate parentheses: {e}"),
                 }
             }
         }
+        checker.add_check(check);
     }
 }

src/flake8_bugbear/plugins/setattr_with_constant.rs

@@ -35,31 +35,37 @@ fn assignment(obj: &Expr, name: &str, value: &Expr) -> Result<String> {
 
 /// 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 [obj, name, value] = args {
-                if let ExprKind::Constant {
-                    value: Constant::Str(name),
-                    ..
-                } = &name.node
-                {
-                    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()) {
-                            match assignment(obj, name, value) {
-                                Ok(content) => check.amend(Fix::replacement(
-                                    content,
-                                    expr.location,
-                                    expr.end_location.unwrap(),
-                                )),
-                                Err(e) => error!("Failed to fix invalid comparison: {}", e),
-                            };
-                        }
-                        checker.add_check(check);
-                    }
-                }
-            }
-        }
+    let ExprKind::Name { id, .. } = &func.node else {
+        return;
+    };
+    if id != "setattr" {
+        return;
     }
+    let [obj, name, value] = args else {
+        return;
+    };
+    let ExprKind::Constant {
+        value: Constant::Str(name),
+        ..
+    } = &name.node else {
+        return;
+    };
+    if !IDENTIFIER_REGEX.is_match(name) {
+        return;
+    }
+    if KWLIST.contains(&name.as_str()) {
+        return;
+    }
+    let mut check = Check::new(CheckKind::SetAttrWithConstant, Range::from_located(expr));
+    if checker.patch(check.kind.code()) {
+        match assignment(obj, name, value) {
+            Ok(content) => check.amend(Fix::replacement(
+                content,
+                expr.location,
+                expr.end_location.unwrap(),
+            )),
+            Err(e) => error!("Failed to fix invalid comparison: {e}"),
+        };
+    }
+    checker.add_check(check);
 }

src/flake8_bugbear/plugins/star_arg_unpacking_after_keyword_arg.rs

@@ -10,16 +10,19 @@ pub fn star_arg_unpacking_after_keyword_arg(
     args: &[Expr],
     keywords: &[Keyword],
 ) {
-    if let Some(keyword) = keywords.first() {
-        for arg in args {
-            if let ExprKind::Starred { .. } = arg.node {
-                if arg.location > keyword.location {
-                    checker.add_check(Check::new(
-                        CheckKind::StarArgUnpackingAfterKeywordArg,
-                        Range::from_located(arg),
-                    ));
-                }
-            }
+    let Some(keyword) = keywords.first() else {
+        return;
+    };
+    for arg in args {
+        let ExprKind::Starred { .. } = arg.node else {
+            continue;
+        };
+        if arg.location <= keyword.location {
+            continue;
         }
+        checker.add_check(Check::new(
+            CheckKind::StarArgUnpackingAfterKeywordArg,
+            Range::from_located(arg),
+        ));
     }
 }

src/flake8_bugbear/plugins/strip_with_multi_characters.rs

@@ -7,22 +7,27 @@ use crate::checks::{Check, CheckKind};
 
 /// B005
 pub fn strip_with_multi_characters(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
-    if let ExprKind::Attribute { attr, .. } = &func.node {
-        if attr == "strip" || attr == "lstrip" || attr == "rstrip" {
-            if args.len() == 1 {
-                if let ExprKind::Constant {
-                    value: Constant::Str(value),
-                    ..
-                } = &args[0].node
-                {
-                    if value.len() > 1 && value.chars().unique().count() != value.len() {
-                        checker.add_check(Check::new(
-                            CheckKind::StripWithMultiCharacters,
-                            Range::from_located(expr),
-                        ));
-                    }
-                }
-            }
-        }
+    let ExprKind::Attribute { attr, .. } = &func.node else {
+        return;
+    };
+    if !matches!(attr.as_str(), "strip" | "lstrip" | "rstrip") {
+        return;
+    }
+    if args.len() != 1 {
+        return;
+    }
+
+    let ExprKind::Constant {
+        value: Constant::Str(value),
+        ..
+    } = &args[0].node else {
+        return;
+    };
+
+    if value.len() > 1 && value.chars().unique().count() != value.len() {
+        checker.add_check(Check::new(
+            CheckKind::StripWithMultiCharacters,
+            Range::from_located(expr),
+        ));
     }
 }

src/flake8_bugbear/plugins/unary_prefix_increment.rs

@@ -6,14 +6,17 @@ use crate::checks::{Check, CheckKind};
 
 /// B002
 pub fn unary_prefix_increment(checker: &mut Checker, expr: &Expr, op: &Unaryop, operand: &Expr) {
-    if matches!(op, Unaryop::UAdd) {
-        if let ExprKind::UnaryOp { op, .. } = &operand.node {
-            if matches!(op, Unaryop::UAdd) {
-                checker.add_check(Check::new(
-                    CheckKind::UnaryPrefixIncrement,
-                    Range::from_located(expr),
-                ));
-            }
-        }
+    if !matches!(op, Unaryop::UAdd) {
+        return;
     }
+    let ExprKind::UnaryOp { op, .. } = &operand.node else {
+            return;
+        };
+    if !matches!(op, Unaryop::UAdd) {
+        return;
+    }
+    checker.add_check(Check::new(
+        CheckKind::UnaryPrefixIncrement,
+        Range::from_located(expr),
+    ));
 }

src/flake8_bugbear/plugins/unreliable_callable_check.rs

@@ -6,22 +6,27 @@ use crate::checks::{Check, CheckKind};
 
 /// B004
 pub fn unreliable_callable_check(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
-    if let ExprKind::Name { id, .. } = &func.node {
-        if id == "getattr" || id == "hasattr" {
-            if args.len() >= 2 {
-                if let ExprKind::Constant {
-                    value: Constant::Str(s),
-                    ..
-                } = &args[1].node
-                {
-                    if s == "__call__" {
-                        checker.add_check(Check::new(
-                            CheckKind::UnreliableCallableCheck,
-                            Range::from_located(expr),
-                        ));
-                    }
-                }
-            }
-        }
+    let ExprKind::Name { id, .. } = &func.node else {
+        return;
+    };
+    if id != "getattr" && id != "hasattr" {
+        return;
     }
+    if args.len() < 2 {
+        return;
+    };
+    let ExprKind::Constant {
+        value: Constant::Str(s),
+        ..
+    } = &args[1].node else
+    {
+        return;
+    };
+    if s != "__call__" {
+        return;
+    }
+    checker.add_check(Check::new(
+        CheckKind::UnreliableCallableCheck,
+        Range::from_located(expr),
+    ));
 }

src/flake8_bugbear/settings.rs

@@ -1,10 +1,23 @@
 //! Settings for the `flake8-bugbear` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = r#"
+            Additional callable functions to consider "immutable" when evaluating, e.g.,
+            `no-mutable-default-argument` checks (`B006`).
+        "#,
+        default = r#"[]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            # Allow default arguments like, e.g., `data: List[str] = fastapi.Query(None)`.
+            extend-immutable-calls = ["fastapi.Depends", "fastapi.Query"]
+        "#
+    )]
     pub extend_immutable_calls: Option<Vec<String>>,
 }
 

src/flake8_comprehensions/checks.rs

@@ -62,7 +62,7 @@ pub fn unnecessary_generator_list(
         if fix {
             match fixes::fix_unnecessary_generator_list(locator, expr) {
                 Ok(fix) => check.amend(fix),
-                Err(e) => error!("Failed to generate fix: {}", e),
+                Err(e) => error!("Failed to generate fix: {e}"),
             }
         }
         return Some(check);
@@ -86,7 +86,7 @@ pub fn unnecessary_generator_set(
         if fix {
             match fixes::fix_unnecessary_generator_set(locator, expr) {
                 Ok(fix) => check.amend(fix),
-                Err(e) => error!("Failed to generate fix: {}", e),
+                Err(e) => error!("Failed to generate fix: {e}"),
             }
         }
         return Some(check);
@@ -112,7 +112,7 @@ pub fn unnecessary_generator_dict(
                 if fix {
                     match fixes::fix_unnecessary_generator_dict(locator, expr) {
                         Ok(fix) => check.amend(fix),
-                        Err(e) => error!("Failed to generate fix: {}", e),
+                        Err(e) => error!("Failed to generate fix: {e}"),
                     }
                 }
                 return Some(check);
@@ -139,7 +139,7 @@ pub fn unnecessary_list_comprehension_set(
         if fix {
             match fixes::fix_unnecessary_list_comprehension_set(locator, expr) {
                 Ok(fix) => check.amend(fix),
-                Err(e) => error!("Failed to generate fix: {}", e),
+                Err(e) => error!("Failed to generate fix: {e}"),
             }
         }
         return Some(check);
@@ -158,22 +158,23 @@ pub fn unnecessary_list_comprehension_dict(
     location: Range,
 ) -> Option<Check> {
     let argument = exactly_one_argument_with_matching_function("dict", func, args, keywords)?;
-    if let ExprKind::ListComp { elt, .. } = &argument {
-        match &elt.node {
-            ExprKind::Tuple { elts, .. } if elts.len() == 2 => {
-                let mut check = Check::new(CheckKind::UnnecessaryListComprehensionDict, location);
-                if fix {
-                    match fixes::fix_unnecessary_list_comprehension_dict(locator, expr) {
-                        Ok(fix) => check.amend(fix),
-                        Err(e) => error!("Failed to generate fix: {}", e),
-                    }
-                }
-                return Some(check);
-            }
-            _ => {}
+    let ExprKind::ListComp { elt, .. } = &argument else {
+        return None;
+    };
+    let ExprKind::Tuple { elts, .. } = &elt.node else {
+        return None;
+    };
+    if elts.len() != 2 {
+        return None;
+    }
+    let mut check = Check::new(CheckKind::UnnecessaryListComprehensionDict, location);
+    if fix {
+        match fixes::fix_unnecessary_list_comprehension_dict(locator, expr) {
+            Ok(fix) => check.amend(fix),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
-    None
+    Some(check)
 }
 
 /// C405 (`set([1, 2])`)
@@ -196,7 +197,7 @@ pub fn unnecessary_literal_set(
     if fix {
         match fixes::fix_unnecessary_literal_set(locator, expr) {
             Ok(fix) => check.amend(fix),
-            Err(e) => error!("Failed to generate fix: {}", e),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
     Some(check)
@@ -232,7 +233,7 @@ pub fn unnecessary_literal_dict(
     if fix {
         match fixes::fix_unnecessary_literal_dict(locator, expr) {
             Ok(fix) => check.amend(fix),
-            Err(e) => error!("Failed to generate fix: {}", e),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
     Some(check)
@@ -268,7 +269,7 @@ pub fn unnecessary_collection_call(
     if fix {
         match fixes::fix_unnecessary_collection_call(locator, expr) {
             Ok(fix) => check.amend(fix),
-            Err(e) => error!("Failed to generate fix: {}", e),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
     Some(check)
@@ -296,7 +297,7 @@ pub fn unnecessary_literal_within_tuple_call(
     if fix {
         match fixes::fix_unnecessary_literal_within_tuple_call(locator, expr) {
             Ok(fix) => check.amend(fix),
-            Err(e) => error!("Failed to generate fix: {}", e),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
     Some(check)
@@ -324,7 +325,7 @@ pub fn unnecessary_literal_within_list_call(
     if fix {
         match fixes::fix_unnecessary_literal_within_list_call(locator, expr) {
             Ok(fix) => check.amend(fix),
-            Err(e) => error!("Failed to generate fix: {}", e),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
     Some(check)
@@ -340,17 +341,17 @@ pub fn unnecessary_list_call(
     location: Range,
 ) -> Option<Check> {
     let argument = first_argument_with_matching_function("list", func, args)?;
-    if let ExprKind::ListComp { .. } = argument {
-        let mut check = Check::new(CheckKind::UnnecessaryListCall, location);
-        if fix {
-            match fixes::fix_unnecessary_list_call(locator, expr) {
-                Ok(fix) => check.amend(fix),
-                Err(e) => error!("Failed to generate fix: {}", e),
-            }
-        }
-        return Some(check);
+    if !matches!(argument, ExprKind::ListComp { .. }) {
+        return None;
     }
-    None
+    let mut check = Check::new(CheckKind::UnnecessaryListCall, location);
+    if fix {
+        match fixes::fix_unnecessary_list_call(locator, expr) {
+            Ok(fix) => check.amend(fix),
+            Err(e) => error!("Failed to generate fix: {e}"),
+        }
+    }
+    Some(check)
 }
 
 /// C413
@@ -366,22 +367,24 @@ pub fn unnecessary_call_around_sorted(
     if !(outer == "list" || outer == "reversed") {
         return None;
     }
-    if let ExprKind::Call { func, .. } = &args.first()?.node {
-        if function_name(func)? == "sorted" {
-            let mut check = Check::new(
-                CheckKind::UnnecessaryCallAroundSorted(outer.to_string()),
-                location,
-            );
-            if fix {
-                match fixes::fix_unnecessary_call_around_sorted(locator, expr) {
-                    Ok(fix) => check.amend(fix),
-                    Err(e) => error!("Failed to generate fix: {}", e),
-                }
-            }
-            return Some(check);
+    let ExprKind::Call { func, .. } = &args.first()?.node else {
+        return None;
+    };
+    if function_name(func)? != "sorted" {
+        return None;
+    }
+
+    let mut check = Check::new(
+        CheckKind::UnnecessaryCallAroundSorted(outer.to_string()),
+        location,
+    );
+    if fix {
+        match fixes::fix_unnecessary_call_around_sorted(locator, expr) {
+            Ok(fix) => check.amend(fix),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
-    None
+    Some(check)
 }
 
 /// C414
@@ -402,25 +405,28 @@ pub fn unnecessary_double_cast_or_process(
         return None;
     }
 
-    if let ExprKind::Call { func, .. } = &args.first()?.node {
-        let inner = function_name(func)?;
-        // Ex) set(tuple(...))
-        if (outer == "set" || outer == "sorted")
-            && (inner == "list" || inner == "tuple" || inner == "reversed" || inner == "sorted")
-        {
-            return Some(new_check(inner, outer, location));
-        }
+    let ExprKind::Call { func, .. } = &args.first()?.node else {
+        return None;
+    };
 
-        // Ex) list(tuple(...))
-        if (outer == "list" || outer == "tuple") && (inner == "list" || inner == "tuple") {
-            return Some(new_check(inner, outer, location));
-        }
-
-        // Ex) set(set(...))
-        if outer == "set" && inner == "set" {
-            return Some(new_check(inner, outer, location));
-        }
+    let inner = function_name(func)?;
+    // Ex) set(tuple(...))
+    if (outer == "set" || outer == "sorted")
+        && (inner == "list" || inner == "tuple" || inner == "reversed" || inner == "sorted")
+    {
+        return Some(new_check(inner, outer, location));
     }
+
+    // Ex) list(tuple(...))
+    if (outer == "list" || outer == "tuple") && (inner == "list" || inner == "tuple") {
+        return Some(new_check(inner, outer, location));
+    }
+
+    // Ex) set(set(...))
+    if outer == "set" && inner == "set" {
+        return Some(new_check(inner, outer, location));
+    }
+
     None
 }
 
@@ -435,33 +441,34 @@ pub fn unnecessary_subscript_reversal(
     if !["set", "sorted", "reversed"].contains(&id) {
         return None;
     }
-    if let ExprKind::Subscript { slice, .. } = &first_arg.node {
-        if let ExprKind::Slice { lower, upper, step } = &slice.node {
-            if lower.is_none() && upper.is_none() {
-                if let Some(step) = step {
-                    if let ExprKind::UnaryOp {
-                        op: Unaryop::USub,
-                        operand,
-                    } = &step.node
-                    {
-                        if let ExprKind::Constant {
-                            value: Constant::Int(val),
-                            ..
-                        } = &operand.node
-                        {
-                            if *val == BigInt::from(1) {
-                                return Some(Check::new(
-                                    CheckKind::UnnecessarySubscriptReversal(id.to_string()),
-                                    location,
-                                ));
-                            }
-                        }
-                    }
-                }
-            }
-        }
+    let ExprKind::Subscript { slice, .. } = &first_arg.node else {
+        return None;
+    };
+    let ExprKind::Slice { lower, upper, step } = &slice.node else {
+            return None;
+        };
+    if lower.is_some() || upper.is_some() {
+        return None;
     }
-    None
+    let ExprKind::UnaryOp {
+        op: Unaryop::USub,
+        operand,
+    } = &step.as_ref()?.node else {
+        return None;
+    };
+    let ExprKind::Constant {
+        value: Constant::Int(val),
+        ..
+    } = &operand.node else {
+        return None;
+    };
+    if *val != BigInt::from(1) {
+        return None;
+    };
+    Some(Check::new(
+        CheckKind::UnnecessarySubscriptReversal(id.to_string()),
+        location,
+    ))
 }
 
 /// C416
@@ -497,7 +504,7 @@ pub fn unnecessary_comprehension(
     if fix {
         match fixes::fix_unnecessary_comprehension(locator, expr) {
             Ok(fix) => check.amend(fix),
-            Err(e) => error!("Failed to generate fix: {}", e),
+            Err(e) => error!("Failed to generate fix: {e}"),
         }
     }
     Some(check)

src/flake8_print/plugins/print_call.rs

@@ -9,39 +9,41 @@ 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(
+    let Some(mut check) = checks::print_call(
         func,
         checker.settings.enabled.contains(&CheckCode::T201),
         checker.settings.enabled.contains(&CheckCode::T203),
         Range::from_located(expr),
-    ) {
-        if checker.patch(check.kind.code()) {
-            let context = checker.binding_context();
-            if matches!(
-                checker.parents[context.defined_by].node,
-                StmtKind::Expr { .. }
+    ) else {
+        return;
+    };
+
+    if checker.patch(check.kind.code()) {
+        let context = checker.binding_context();
+        if matches!(
+            checker.parents[context.defined_by].node,
+            StmtKind::Expr { .. }
+        ) {
+            let deleted: Vec<&Stmt> = checker
+                .deletions
+                .iter()
+                .map(|index| checker.parents[*index])
+                .collect();
+            match helpers::remove_stmt(
+                checker.parents[context.defined_by],
+                context.defined_in.map(|index| checker.parents[index]),
+                &deleted,
             ) {
-                let deleted: Vec<&Stmt> = checker
-                    .deletions
-                    .iter()
-                    .map(|index| checker.parents[*index])
-                    .collect();
-                match helpers::remove_stmt(
-                    checker.parents[context.defined_by],
-                    context.defined_in.map(|index| checker.parents[index]),
-                    &deleted,
-                ) {
-                    Ok(fix) => {
-                        if fix.content.is_empty() || fix.content == "pass" {
-                            checker.deletions.insert(context.defined_by);
-                        }
-                        check.amend(fix);
+                Ok(fix) => {
+                    if fix.content.is_empty() || fix.content == "pass" {
+                        checker.deletions.insert(context.defined_by);
                     }
-                    Err(e) => error!("Failed to remove print call: {}", e),
+                    check.amend(fix);
                 }
+                Err(e) => error!("Failed to remove print call: {e}"),
             }
         }
-
-        checker.add_check(check);
     }
+
+    checker.add_check(check);
 }

src/flake8_quotes/settings.rs

@@ -1,5 +1,6 @@
 //! Settings for the `flake8-quotes` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
@@ -9,12 +10,55 @@ pub enum Quote {
     Double,
 }
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = r#"
+            Quote style to prefer for inline strings (either "single" (`'`) or "double" (`"`)).
+        "#,
+        default = r#""double""#,
+        value_type = "Quote",
+        example = r#"
+            inline-quotes = "single"
+        "#
+    )]
     pub inline_quotes: Option<Quote>,
+    #[option(
+        doc = r#"
+            Quote style to prefer for multiline strings (either "single" (`'`) or "double" (`"`)).
+        "#,
+        default = r#""double""#,
+        value_type = "Quote",
+        example = r#"
+            multiline-quotes = "single"
+        "#
+    )]
     pub multiline_quotes: Option<Quote>,
+    #[option(
+        doc = r#"
+            Quote style to prefer for docstrings (either "single" (`'`) or "double" (`"`)).
+        "#,
+        default = r#""double""#,
+        value_type = "Quote",
+        example = r#"
+            docstring-quotes = "single"
+        "#
+    )]
     pub docstring_quotes: Option<Quote>,
+    #[option(
+        doc = r#"
+            Whether to avoid using single quotes if a string contains single quotes, or vice-versa
+            with double quotes, as per [PEP8](https://peps.python.org/pep-0008/#string-quotes).
+            This minimizes the need to escape quotation marks within strings.
+        "#,
+        default = r#"true"#,
+        value_type = "bool",
+        example = r#"
+            # Don't bother trying to avoid escapes.
+            avoid-escape = false
+        "#
+    )]
     pub avoid_escape: Option<bool>,
 }
 

src/flake8_return/plugins.rs

@@ -14,43 +14,45 @@ use crate::Check;
 /// RET501
 fn unnecessary_return_none(checker: &mut Checker, stack: &Stack) {
     for (stmt, expr) in &stack.returns {
-        if let Some(expr) = expr {
-            if matches!(
-                expr.node,
-                ExprKind::Constant {
-                    value: Constant::None,
-                    ..
-                }
-            ) {
-                let mut check =
-                    Check::new(CheckKind::UnnecessaryReturnNone, Range::from_located(stmt));
-                if checker.patch(&CheckCode::RET501) {
-                    check.amend(Fix::replacement(
-                        "return".to_string(),
-                        stmt.location,
-                        stmt.end_location.unwrap(),
-                    ));
-                }
-                checker.add_check(check);
+        let Some(expr) = expr else {
+            continue;
+        };
+        if !matches!(
+            expr.node,
+            ExprKind::Constant {
+                value: Constant::None,
+                ..
             }
+        ) {
+            continue;
         }
+        let mut check = Check::new(CheckKind::UnnecessaryReturnNone, Range::from_located(stmt));
+        if checker.patch(&CheckCode::RET501) {
+            check.amend(Fix::replacement(
+                "return".to_string(),
+                stmt.location,
+                stmt.end_location.unwrap(),
+            ));
+        }
+        checker.add_check(check);
     }
 }
 
 /// RET502
 fn implicit_return_value(checker: &mut Checker, stack: &Stack) {
     for (stmt, expr) in &stack.returns {
-        if expr.is_none() {
-            let mut check = Check::new(CheckKind::ImplicitReturnValue, Range::from_located(stmt));
-            if checker.patch(&CheckCode::RET502) {
-                check.amend(Fix::replacement(
-                    "return None".to_string(),
-                    stmt.location,
-                    stmt.end_location.unwrap(),
-                ));
-            }
-            checker.add_check(check);
+        if expr.is_some() {
+            continue;
         }
+        let mut check = Check::new(CheckKind::ImplicitReturnValue, Range::from_located(stmt));
+        if checker.patch(&CheckCode::RET502) {
+            check.amend(Fix::replacement(
+                "return None".to_string(),
+                stmt.location,
+                stmt.end_location.unwrap(),
+            ));
+        }
+        checker.add_check(check);
     }
 }
 
@@ -210,44 +212,45 @@ fn unnecessary_assign(checker: &mut Checker, stack: &Stack, expr: &Expr) {
 
 /// RET505, RET506, RET507, RET508
 fn superfluous_else_node(checker: &mut Checker, stmt: &Stmt, branch: Branch) -> bool {
-    if let StmtKind::If { body, .. } = &stmt.node {
-        for child in body {
-            if matches!(child.node, StmtKind::Return { .. }) {
-                if checker.settings.enabled.contains(&CheckCode::RET505) {
-                    checker.add_check(Check::new(
-                        CheckKind::SuperfluousElseReturn(branch),
-                        Range::from_located(stmt),
-                    ));
-                }
-                return true;
+    let StmtKind::If { body, .. } = &stmt.node else {
+        return false;
+    };
+    for child in body {
+        if matches!(child.node, StmtKind::Return { .. }) {
+            if checker.settings.enabled.contains(&CheckCode::RET505) {
+                checker.add_check(Check::new(
+                    CheckKind::SuperfluousElseReturn(branch),
+                    Range::from_located(stmt),
+                ));
             }
-            if matches!(child.node, StmtKind::Break) {
-                if checker.settings.enabled.contains(&CheckCode::RET508) {
-                    checker.add_check(Check::new(
-                        CheckKind::SuperfluousElseBreak(branch),
-                        Range::from_located(stmt),
-                    ));
-                }
-                return true;
+            return true;
+        }
+        if matches!(child.node, StmtKind::Break) {
+            if checker.settings.enabled.contains(&CheckCode::RET508) {
+                checker.add_check(Check::new(
+                    CheckKind::SuperfluousElseBreak(branch),
+                    Range::from_located(stmt),
+                ));
             }
-            if matches!(child.node, StmtKind::Raise { .. }) {
-                if checker.settings.enabled.contains(&CheckCode::RET506) {
-                    checker.add_check(Check::new(
-                        CheckKind::SuperfluousElseRaise(branch),
-                        Range::from_located(stmt),
-                    ));
-                }
-                return true;
+            return true;
+        }
+        if matches!(child.node, StmtKind::Raise { .. }) {
+            if checker.settings.enabled.contains(&CheckCode::RET506) {
+                checker.add_check(Check::new(
+                    CheckKind::SuperfluousElseRaise(branch),
+                    Range::from_located(stmt),
+                ));
             }
-            if matches!(child.node, StmtKind::Continue) {
-                if checker.settings.enabled.contains(&CheckCode::RET507) {
-                    checker.add_check(Check::new(
-                        CheckKind::SuperfluousElseContinue(branch),
-                        Range::from_located(stmt),
-                    ));
-                }
-                return true;
+            return true;
+        }
+        if matches!(child.node, StmtKind::Continue) {
+            if checker.settings.enabled.contains(&CheckCode::RET507) {
+                checker.add_check(Check::new(
+                    CheckKind::SuperfluousElseContinue(branch),
+                    Range::from_located(stmt),
+                ));
             }
+            return true;
         }
     }
     false
@@ -266,12 +269,14 @@ fn superfluous_elif(checker: &mut Checker, stack: &Stack) -> bool {
 /// RET505, RET506, RET507, RET508
 fn superfluous_else(checker: &mut Checker, stack: &Stack) -> bool {
     for stmt in &stack.ifs {
-        if let StmtKind::If { orelse, .. } = &stmt.node {
-            if !orelse.is_empty() {
-                if superfluous_else_node(checker, stmt, Branch::Else) {
-                    return true;
-                }
-            }
+        let StmtKind::If { orelse, .. } = &stmt.node else {
+            continue;
+        };
+        if orelse.is_empty() {
+            continue;
+        }
+        if superfluous_else_node(checker, stmt, Branch::Else) {
+            return true;
         }
     }
     false

src/flake8_tidy_imports/checks.rs

@@ -9,18 +9,16 @@ pub fn banned_relative_import(
     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),
-            ));
-        }
+    let strictness_level = match strictness {
+        Strictness::All => 0,
+        Strictness::Parents => 1,
+    };
+    if level? > &strictness_level {
+        Some(Check::new(
+            CheckKind::BannedRelativeImport(strictness.clone()),
+            Range::from_located(stmt),
+        ))
+    } else {
+        None
     }
-    None
 }

src/flake8_tidy_imports/settings.rs

@@ -1,5 +1,6 @@
 //! Settings for the `flake8-tidy-imports` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]
@@ -9,9 +10,21 @@ pub enum Strictness {
     All,
 }
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = r#"
+            Whether to ban all relative imports (`"all"`), or only those imports that extend into
+            the parent module and beyond (`"parents"`).
+        "#,
+        default = r#""parents""#,
+        value_type = "Strictness",
+        example = r#"
+            # Disallow all relative imports.
+            ban-relative-imports = "all"
+        "#
+    )]
     pub ban_relative_imports: Option<Strictness>,
 }
 

src/fs.rs

@@ -97,7 +97,7 @@ pub(crate) fn ignores_from_path<'a>(
 
 /// Convert any path to an absolute path (based on the current working
 /// directory).
-pub(crate) fn normalize_path(path: &Path) -> PathBuf {
+pub fn normalize_path(path: &Path) -> PathBuf {
     if let Ok(path) = path.absolutize() {
         return path.to_path_buf();
     }
@@ -105,7 +105,7 @@ pub(crate) fn normalize_path(path: &Path) -> PathBuf {
 }
 
 /// Convert any path to an absolute path (based on the specified project root).
-pub(crate) fn normalize_path_to(path: &Path, project_root: &Path) -> PathBuf {
+pub fn normalize_path_to(path: &Path, project_root: &Path) -> PathBuf {
     if let Ok(path) = path.absolutize_from(project_root) {
         return path.to_path_buf();
     }
@@ -113,7 +113,7 @@ pub(crate) fn normalize_path_to(path: &Path, project_root: &Path) -> PathBuf {
 }
 
 /// Convert an absolute path to be relative to the current working directory.
-pub(crate) fn relativize_path(path: &Path) -> Cow<str> {
+pub fn relativize_path(path: &Path) -> Cow<str> {
     if let Ok(path) = path.strip_prefix(&*path_dedot::CWD) {
         return path.to_string_lossy();
     }

src/isort/format.rs

@@ -42,6 +42,15 @@ pub fn format_import_from(
     force_wrap_aliases: bool,
     is_first: bool,
 ) -> String {
+    if aliases.len() == 1
+        && aliases
+            .iter()
+            .all(|(alias, _)| alias.name == "*" && alias.asname.is_none())
+    {
+        let (single_line, ..) = format_single_line(import_from, comments, aliases, is_first);
+        return single_line;
+    }
+
     // We can only inline if: (1) none of the aliases have atop comments, and (3)
     // only the last alias (if any) has inline comments.
     if aliases
@@ -58,7 +67,7 @@ pub fn format_import_from(
     {
         let (single_line, import_length) =
             format_single_line(import_from, comments, aliases, is_first);
-        if import_length <= line_length {
+        if import_length <= line_length || aliases.iter().any(|(alias, _)| alias.name == "*") {
             return single_line;
         }
     }

src/isort/mod.rs

@@ -10,6 +10,7 @@ use rustpython_ast::{Stmt, StmtKind};
 use crate::isort::categorize::{categorize, ImportType};
 use crate::isort::comments::Comment;
 use crate::isort::sorting::{member_key, module_key};
+use crate::isort::track::{Block, Trailer};
 use crate::isort::types::{
     AliasData, CommentSet, ImportBlock, ImportFromData, Importable, OrderedImportBlock,
 };
@@ -191,7 +192,18 @@ fn normalize_imports(imports: Vec<AnnotatedImport>, combine_as_imports: bool) ->
             } => {
                 // Associate the comments with the first alias (best effort).
                 if let Some(alias) = names.first() {
-                    if alias.asname.is_none() || combine_as_imports {
+                    if alias.name == "*" {
+                        let entry = block
+                            .import_from_star
+                            .entry(ImportFromData { module, level })
+                            .or_default();
+                        for comment in atop {
+                            entry.atop.push(comment.value);
+                        }
+                        for comment in inline {
+                            entry.inline.push(comment.value);
+                        }
+                    } else if alias.asname.is_none() || combine_as_imports {
                         let entry = &mut block
                             .import_from
                             .entry(ImportFromData { module, level })
@@ -225,7 +237,18 @@ fn normalize_imports(imports: Vec<AnnotatedImport>, combine_as_imports: bool) ->
 
                 // Create an entry for every alias.
                 for alias in names {
-                    if alias.asname.is_none() || combine_as_imports {
+                    if alias.name == "*" {
+                        let entry = block
+                            .import_from_star
+                            .entry(ImportFromData { module, level })
+                            .or_default();
+                        for comment in alias.atop {
+                            entry.atop.push(comment.value);
+                        }
+                        for comment in alias.inline {
+                            entry.inline.push(comment.value);
+                        }
+                    } else if alias.asname.is_none() || combine_as_imports {
                         let entry = block
                             .import_from
                             .entry(ImportFromData { module, level })
@@ -323,6 +346,22 @@ fn categorize_imports<'a>(
             .import_from_as
             .insert((import_from, alias), comments);
     }
+    // Categorize `StmtKind::ImportFrom` (with star).
+    for (import_from, comments) in block.import_from_star {
+        let classification = categorize(
+            &import_from.module_base(),
+            import_from.level,
+            src,
+            known_first_party,
+            known_third_party,
+            extra_standard_library,
+        );
+        block_by_type
+            .entry(classification)
+            .or_default()
+            .import_from_star
+            .insert(import_from, comments);
+    }
     block_by_type
 }
 
@@ -367,6 +406,33 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
                         )
                     }),
             )
+            .chain(
+                // Include all star imports.
+                block
+                    .import_from_star
+                    .into_iter()
+                    .map(|(import_from, comments)| {
+                        (
+                            import_from,
+                            (
+                                CommentSet {
+                                    atop: comments.atop,
+                                    inline: vec![],
+                                },
+                                FxHashMap::from_iter([(
+                                    AliasData {
+                                        name: "*",
+                                        asname: None,
+                                    },
+                                    CommentSet {
+                                        atop: vec![],
+                                        inline: comments.inline,
+                                    },
+                                )]),
+                            ),
+                        )
+                    }),
+            )
             .map(|(import_from, (comments, aliases))| {
                 // Within each `StmtKind::ImportFrom`, sort the members.
                 (
@@ -399,7 +465,7 @@ fn sort_imports(block: ImportBlock) -> OrderedImportBlock {
 
 #[allow(clippy::too_many_arguments)]
 pub fn format_imports(
-    block: &[&Stmt],
+    block: &Block,
     comments: Vec<Comment>,
     line_length: usize,
     src: &[PathBuf],
@@ -409,7 +475,8 @@ pub fn format_imports(
     combine_as_imports: bool,
     force_wrap_aliases: bool,
 ) -> String {
-    let block = annotate_imports(block, comments);
+    let trailer = &block.trailer;
+    let block = annotate_imports(&block.imports, comments);
 
     // Normalize imports (i.e., deduplicate, aggregate `from` imports).
     let block = normalize_imports(block, combine_as_imports);
@@ -458,6 +525,16 @@ pub fn format_imports(
             is_first_statement = false;
         }
     }
+    match trailer {
+        None => {}
+        Some(Trailer::Sibling) => {
+            output.append("\n");
+        }
+        Some(Trailer::FunctionDef | Trailer::ClassDef) => {
+            output.append("\n");
+            output.append("\n");
+        }
+    }
     output.finish().to_string()
 }
 
@@ -481,11 +558,14 @@ mod tests {
     #[test_case(Path::new("fit_line_length_comment.py"))]
     #[test_case(Path::new("force_wrap_aliases.py"))]
     #[test_case(Path::new("import_from_after_import.py"))]
+    #[test_case(Path::new("insert_empty_lines.py"))]
     #[test_case(Path::new("leading_prefix.py"))]
     #[test_case(Path::new("no_reorder_within_section.py"))]
+    #[test_case(Path::new("no_wrap_star.py"))]
     #[test_case(Path::new("order_by_type.py"))]
     #[test_case(Path::new("order_relative_imports_by_level.py"))]
     #[test_case(Path::new("preserve_comment_order.py"))]
+    #[test_case(Path::new("preserve_import_star.py"))]
     #[test_case(Path::new("preserve_indentation.py"))]
     #[test_case(Path::new("reorder_within_section.py"))]
     #[test_case(Path::new("separate_first_party_imports.py"))]
@@ -493,7 +573,9 @@ mod tests {
     #[test_case(Path::new("separate_local_folder_imports.py"))]
     #[test_case(Path::new("separate_third_party_imports.py"))]
     #[test_case(Path::new("skip.py"))]
+    #[test_case(Path::new("skip_file.py"))]
     #[test_case(Path::new("sort_similar_imports.py"))]
+    #[test_case(Path::new("split.py"))]
     #[test_case(Path::new("trailing_suffix.py"))]
     #[test_case(Path::new("type_comments.py"))]
     fn default(path: &Path) -> Result<()> {

src/isort/plugins.rs

@@ -1,11 +1,12 @@
 use rustpython_ast::{Location, Stmt};
 use textwrap::{dedent, indent};
 
-use crate::ast::helpers::{match_leading_content, match_trailing_content};
+use crate::ast::helpers::{count_trailing_lines, match_leading_content, match_trailing_content};
 use crate::ast::types::Range;
 use crate::ast::whitespace::leading_space;
 use crate::autofix::Fix;
 use crate::checks::CheckKind;
+use crate::isort::track::Block;
 use crate::isort::{comments, format_imports};
 use crate::{Check, Settings, SourceCodeLocator};
 
@@ -30,13 +31,13 @@ fn extract_indentation(body: &[&Stmt], locator: &SourceCodeLocator) -> String {
 
 /// I001
 pub fn check_imports(
-    body: &[&Stmt],
+    block: &Block,
     locator: &SourceCodeLocator,
     settings: &Settings,
     autofix: bool,
 ) -> Option<Check> {
-    let range = extract_range(body);
-    let indentation = extract_indentation(body, locator);
+    let range = extract_range(&block.imports);
+    let indentation = extract_indentation(&block.imports, locator);
 
     // Extract comments. Take care to grab any inline comments from the last line.
     let comments = comments::collect_comments(
@@ -48,12 +49,17 @@ pub fn check_imports(
     );
 
     // Special-cases: there's leading or trailing content in the import block.
-    let has_leading_content = match_leading_content(body.first().unwrap(), locator);
-    let has_trailing_content = match_trailing_content(body.last().unwrap(), locator);
+    let has_leading_content = match_leading_content(block.imports.first().unwrap(), locator);
+    let has_trailing_content = match_trailing_content(block.imports.last().unwrap(), locator);
+    let num_trailing_lines = if block.trailer.is_none() {
+        0
+    } else {
+        count_trailing_lines(block.imports.last().unwrap(), locator)
+    };
 
     // Generate the sorted import block.
     let expected = format_imports(
-        body,
+        block,
         comments,
         settings.line_length - indentation.len(),
         &settings.src,
@@ -81,7 +87,7 @@ pub fn check_imports(
                     Location::new(range.location.row(), 0)
                 },
                 // TODO(charlie): Preserve trailing suffixes. Right now, we strip them.
-                Location::new(range.end_location.row() + 1, 0),
+                Location::new(range.end_location.row() + 1 + num_trailing_lines, 0),
             ));
         }
         Some(check)
@@ -89,7 +95,7 @@ pub fn check_imports(
         // Expand the span the entire range, including leading and trailing space.
         let range = Range {
             location: Location::new(range.location.row(), 0),
-            end_location: Location::new(range.end_location.row() + 1, 0),
+            end_location: Location::new(range.end_location.row() + 1 + num_trailing_lines, 0),
         };
         let actual = dedent(&locator.slice_source_code_range(&range));
         if actual == expected {

src/isort/settings.rs

@@ -2,15 +2,79 @@
 
 use std::collections::BTreeSet;
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = r#"
+            Combines as imports on the same line. See isort's [`combine-as-imports`](https://pycqa.github.io/isort/docs/configuration/options.html#combine-as-imports)
+            option.
+        "#,
+        default = r#"false"#,
+        value_type = "bool",
+        example = r#"
+            combine-as-imports = true
+        "#
+    )]
     pub combine_as_imports: Option<bool>,
+    #[option(
+        doc = r#"
+            Force `import from` statements with multiple members and at least one alias (e.g.,
+            `import A as B`) to wrap such that every line contains exactly one member. For example,
+            this formatting would be retained, rather than condensing to a single line:
+
+            ```py
+            from .utils import (
+                test_directory as test_directory,
+                test_id as test_id
+            )
+            ```
+        "#,
+        default = r#"false"#,
+        value_type = "bool",
+        example = r#"
+            force-wrap-aliases = true
+        "#
+    )]
     pub force_wrap_aliases: Option<bool>,
+    #[option(
+        doc = r#"
+            A list of modules to consider first-party, regardless of whether they can be identified
+            as such via introspection of the local filesystem.
+        "#,
+        default = r#"[]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            known-first-party = ["src"]
+        "#
+    )]
     pub known_first_party: Option<Vec<String>>,
+    #[option(
+        doc = r#"
+            A list of modules to consider third-party, regardless of whether they can be identified
+            as such via introspection of the local filesystem.
+        "#,
+        default = r#"[]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            known-third-party = ["src"]
+        "#
+    )]
     pub known_third_party: Option<Vec<String>>,
+    #[option(
+        doc = r#"
+            A list of modules to consider standard-library, in addition to those known to Ruff in
+            advance.
+        "#,
+        default = r#"[]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            extra-standard-library = ["path"]
+        "#
+    )]
     pub extra_standard_library: Option<Vec<String>>,
 }
 

src/isort/snapshots/ruff__isort__tests__insert_empty_lines.py.snap

@@ -0,0 +1,80 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 3
+    column: 0
+  fix:
+    content: "import a\nimport b\n\n"
+    location:
+      row: 1
+      column: 0
+    end_location:
+      row: 3
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 6
+    column: 0
+  fix:
+    content: "import os\nimport sys\n\n\n"
+    location:
+      row: 4
+      column: 0
+    end_location:
+      row: 6
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 14
+    column: 0
+  end_location:
+    row: 16
+    column: 0
+  fix:
+    content: "import os\nimport sys\n\n"
+    location:
+      row: 14
+      column: 0
+    end_location:
+      row: 16
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 33
+    column: 0
+  end_location:
+    row: 35
+    column: 0
+  fix:
+    content: "    import collections\n    import typing\n\n"
+    location:
+      row: 33
+      column: 0
+    end_location:
+      row: 35
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 39
+    column: 0
+  end_location:
+    row: 41
+    column: 0
+  fix:
+    content: "    import collections\n    import typing\n\n"
+    location:
+      row: 39
+      column: 0
+    end_location:
+      row: 41
+      column: 0
+

src/isort/snapshots/ruff__isort__tests__leading_prefix.py.snap

@@ -10,12 +10,12 @@ expression: checks
     row: 2
     column: 9
   fix:
-    content: "\nimport os\nimport sys\n"
+    content: "\nimport os\nimport sys\n\n"
     location:
       row: 1
       column: 7
     end_location:
-      row: 3
+      row: 4
       column: 0
 - kind: UnsortedImports
   location:

src/isort/snapshots/ruff__isort__tests__no_wrap_star.py.snap

@@ -0,0 +1,20 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 2
+    column: 0
+  fix:
+    content: "from .subscription import *  # type: ignore  # some very long comment explaining why this needs a type ignore\n"
+    location:
+      row: 1
+      column: 0
+    end_location:
+      row: 2
+      column: 0
+

src/isort/snapshots/ruff__isort__tests__preserve_import_star.py.snap

@@ -0,0 +1,20 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 7
+    column: 0
+  fix:
+    content: "# Above\nfrom some_module import *  # Aside\n\n# Above\nfrom some_module import some_class  # Aside\nfrom some_other_module import *\nfrom some_other_module import some_class\n"
+    location:
+      row: 1
+      column: 0
+    end_location:
+      row: 7
+      column: 0
+

src/isort/snapshots/ruff__isort__tests__skip.py.snap

@@ -2,6 +2,21 @@
 source: src/isort/mod.rs
 expression: checks
 ---
+- kind: UnsortedImports
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 8
+    column: 0
+  fix:
+    content: "import sys\n\n"
+    location:
+      row: 7
+      column: 0
+    end_location:
+      row: 8
+      column: 0
 - kind: UnsortedImports
   location:
     row: 9

src/isort/snapshots/ruff__isort__tests__skip_file.py.snap

@@ -0,0 +1,6 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+[]
+

src/isort/snapshots/ruff__isort__tests__split.py.snap

@@ -0,0 +1,6 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+[]
+

src/isort/snapshots/ruff__isort__tests__trailing_suffix.py.snap

@@ -10,12 +10,12 @@ expression: checks
     row: 2
     column: 9
   fix:
-    content: "import os\nimport sys\n"
+    content: "import os\nimport sys\n\n"
     location:
       row: 1
       column: 0
     end_location:
-      row: 3
+      row: 4
       column: 0
 - kind: UnsortedImports
   location:
@@ -25,7 +25,7 @@ expression: checks
     row: 6
     column: 13
   fix:
-    content: "    import os\n    import sys\n"
+    content: "    import os\n    import sys\n\n"
     location:
       row: 5
       column: 0

src/isort/track.rs

@@ -1,4 +1,3 @@
-use nohash_hasher::IntSet;
 use rustpython_ast::{
     Alias, Arg, Arguments, Boolop, Cmpop, Comprehension, Constant, Excepthandler,
     ExcepthandlerKind, Expr, ExprContext, Keyword, MatchCase, Operator, Pattern, Stmt, StmtKind,
@@ -6,34 +5,51 @@ use rustpython_ast::{
 };
 
 use crate::ast::visitor::Visitor;
+use crate::directives::IsortDirectives;
+
+pub enum Trailer {
+    Sibling,
+    ClassDef,
+    FunctionDef,
+}
+
+#[derive(Default)]
+pub struct Block<'a> {
+    pub imports: Vec<&'a Stmt>,
+    pub trailer: Option<Trailer>,
+}
 
-#[derive(Debug)]
 pub struct ImportTracker<'a> {
-    exclusions: &'a IntSet<usize>,
-    blocks: Vec<Vec<&'a Stmt>>,
+    blocks: Vec<Block<'a>>,
+    directives: &'a IsortDirectives,
+    split_index: usize,
+    nested: bool,
 }
 
 impl<'a> ImportTracker<'a> {
-    pub fn new(exclusions: &'a IntSet<usize>) -> Self {
+    pub fn new(directives: &'a IsortDirectives) -> Self {
         Self {
-            exclusions,
-            blocks: vec![vec![]],
+            directives,
+            blocks: vec![Block::default()],
+            split_index: 0,
+            nested: false,
         }
     }
 
     fn track_import(&mut self, stmt: &'a Stmt) {
         let index = self.blocks.len() - 1;
-        self.blocks[index].push(stmt);
+        self.blocks[index].imports.push(stmt);
     }
 
-    fn finalize(&mut self) {
+    fn finalize(&mut self, trailer: Option<Trailer>) {
         let index = self.blocks.len() - 1;
-        if !self.blocks[index].is_empty() {
-            self.blocks.push(vec![]);
+        if !self.blocks[index].imports.is_empty() {
+            self.blocks[index].trailer = trailer;
+            self.blocks.push(Block::default());
         }
     }
 
-    pub fn into_iter(self) -> impl IntoIterator<Item = Vec<&'a Stmt>> {
+    pub fn into_iter(self) -> impl IntoIterator<Item = Block<'a>> {
         self.blocks.into_iter()
     }
 }
@@ -43,92 +59,124 @@ where
     'b: 'a,
 {
     fn visit_stmt(&mut self, stmt: &'b Stmt) {
+        // Track manual splits.
+        while self.split_index < self.directives.splits.len() {
+            if stmt.location.row() >= self.directives.splits[self.split_index] {
+                self.finalize(Some(if self.nested {
+                    Trailer::Sibling
+                } else {
+                    match &stmt.node {
+                        StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
+                            Trailer::FunctionDef
+                        }
+                        StmtKind::ClassDef { .. } => Trailer::ClassDef,
+                        _ => Trailer::Sibling,
+                    }
+                }));
+                self.split_index += 1;
+            } else {
+                break;
+            }
+        }
+
         // Track imports.
         if matches!(
             stmt.node,
             StmtKind::Import { .. } | StmtKind::ImportFrom { .. }
-        ) && !self.exclusions.contains(&stmt.location.row())
+        ) && !self.directives.exclusions.contains(&stmt.location.row())
         {
             self.track_import(stmt);
         } else {
-            self.finalize();
+            self.finalize(Some(if self.nested {
+                Trailer::Sibling
+            } else {
+                match &stmt.node {
+                    StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
+                        Trailer::FunctionDef
+                    }
+                    StmtKind::ClassDef { .. } => Trailer::ClassDef,
+                    _ => Trailer::Sibling,
+                }
+            }));
         }
 
         // Track scope.
+        let prev_nested = self.nested;
+        self.nested = true;
         match &stmt.node {
             StmtKind::FunctionDef { body, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::AsyncFunctionDef { body, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::ClassDef { body, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::For { body, orelse, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
 
                 for stmt in orelse {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::AsyncFor { body, orelse, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
 
                 for stmt in orelse {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::While { body, orelse, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
 
                 for stmt in orelse {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::If { body, orelse, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
 
                 for stmt in orelse {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::With { body, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::AsyncWith { body, .. } => {
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             StmtKind::Match { cases, .. } => {
                 for match_case in cases {
@@ -148,20 +196,21 @@ where
                 for stmt in body {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
 
                 for stmt in orelse {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
 
                 for stmt in finalbody {
                     self.visit_stmt(stmt);
                 }
-                self.finalize();
+                self.finalize(None);
             }
             _ => {}
         }
+        self.nested = prev_nested;
     }
 
     fn visit_annotation(&mut self, _: &'b Expr) {}
@@ -183,11 +232,16 @@ where
     fn visit_comprehension(&mut self, _: &'b Comprehension) {}
 
     fn visit_excepthandler(&mut self, excepthandler: &'b Excepthandler) {
+        let prev_nested = self.nested;
+        self.nested = true;
+
         let ExcepthandlerKind::ExceptHandler { body, .. } = &excepthandler.node;
         for stmt in body {
             self.visit_stmt(stmt);
         }
-        self.finalize();
+        self.finalize(None);
+
+        self.nested = prev_nested;
     }
 
     fn visit_arguments(&mut self, _: &'b Arguments) {}
@@ -204,7 +258,7 @@ where
         for stmt in &match_case.body {
             self.visit_stmt(stmt);
         }
-        self.finalize();
+        self.finalize(None);
     }
 
     fn visit_pattern(&mut self, _: &'b Pattern) {}

src/isort/types.rs

@@ -59,6 +59,9 @@ pub struct ImportBlock<'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: FxHashMap<(ImportFromData<'a>, AliasData<'a>), CommentSet<'a>>,
+    // Map from (module, level) to `AliasData`, used to track star imports.
+    // Ex) `from module import *`
+    pub import_from_star: FxHashMap<ImportFromData<'a>, CommentSet<'a>>,
 }
 
 type AliasDataWithComments<'a> = (AliasData<'a>, CommentSet<'a>);

src/lib.rs

@@ -70,7 +70,7 @@ mod pygrep_hooks;
 mod pylint;
 mod python;
 mod pyupgrade;
-mod rules;
+mod ruff;
 mod rustpython_helpers;
 pub mod settings;
 pub mod source_code_locator;

src/linter.rs

@@ -89,7 +89,7 @@ pub(crate) fn check_path(
                     checks.extend(check_imports(
                         &python_ast,
                         locator,
-                        &directives.isort_exclusions,
+                        &directives.isort,
                         settings,
                         autofix,
                     ));
@@ -133,7 +133,7 @@ pub(crate) fn check_path(
     Ok(checks)
 }
 
-const MAX_ITERATIONS: usize = 100;
+const MAX_ITERATIONS: usize = 1;
 
 /// Lint the source code at the given `Path`.
 pub fn lint_path(
@@ -151,79 +151,17 @@ pub fn lint_path(
     }
 
     // Read the file from disk.
-    let mut contents = fs::read_file(path)?;
+    let contents = fs::read_file(path)?;
 
-    // Track the number of fixed errors across iterations.
-    let mut fixed = 0;
-
-    // As an escape hatch, bail after 100 iterations.
-    let mut iterations = 0;
-
-    // Continuously autofix until the source code stabilizes.
-    let messages = loop {
-        // Tokenize once.
-        let tokens: Vec<LexResult> = rustpython_helpers::tokenize(&contents);
-
-        // Initialize the SourceCodeLocator (which computes offsets lazily).
-        let locator = SourceCodeLocator::new(&contents);
-
-        // Determine the noqa and isort exclusions.
-        let directives = directives::extract_directives(
-            &tokens,
-            &locator,
-            directives::Flags::from_settings(settings),
-        );
-
-        // Generate checks.
-        let checks = check_path(
-            path,
-            &contents,
-            tokens,
-            &locator,
-            &directives,
-            settings,
-            autofix.into(),
-            false,
-        )?;
-
-        // Apply autofix.
-        if matches!(autofix, fixer::Mode::Apply) && iterations < MAX_ITERATIONS {
-            if let Some((fixed_contents, applied)) = fix_file(&checks, &locator) {
-                // Count the number of fixed errors.
-                fixed += applied;
-
-                // Store the fixed contents.
-                contents = fixed_contents.to_string();
-
-                // Increment the iteration count.
-                iterations += 1;
-
-                // Re-run the linter pass (by avoiding the break).
-                continue;
-            }
-        }
-
-        // Convert to messages.
-        let filename = path.to_string_lossy().to_string();
-        break checks
-            .into_iter()
-            .map(|check| {
-                let source = if settings.show_source {
-                    Some(Source::from_check(&check, &locator))
-                } else {
-                    None
-                };
-                Message::from_check(check, filename.clone(), source)
-            })
-            .collect::<Vec<_>>();
-    };
+    // Lint the file.
+    let (contents, fixed, messages) = lint(contents, path, settings, autofix)?;
 
     // Re-populate the cache.
     cache::set(path, &metadata, settings, autofix, &messages, mode);
 
     // If we applied any fixes, write the contents back to disk.
     if fixed > 0 {
-        write(path, &contents)?;
+        write(path, contents)?;
     }
 
     Ok(Diagnostics { messages, fixed })
@@ -255,7 +193,7 @@ pub fn add_noqa_to_path(path: &Path, settings: &Settings) -> Result<usize> {
         &locator,
         &Directives {
             noqa_line_for: IntMap::default(),
-            isort_exclusions: directives.isort_exclusions,
+            isort: directives.isort,
         },
         settings,
         false,
@@ -297,14 +235,32 @@ pub fn lint_stdin(
     autofix: &fixer::Mode,
 ) -> Result<Diagnostics> {
     // Read the file from disk.
-    let mut contents = stdin.to_string();
+    let contents = stdin.to_string();
 
+    // Lint the file.
+    let (contents, fixed, messages) = lint(contents, path, settings, autofix)?;
+
+    // Write the fixed contents to stdout.
+    if matches!(autofix, fixer::Mode::Apply) {
+        io::stdout().write_all(contents.as_bytes())?;
+    }
+
+    Ok(Diagnostics { messages, fixed })
+}
+
+fn lint(
+    mut contents: String,
+    path: &Path,
+    settings: &Settings,
+    autofix: &fixer::Mode,
+) -> Result<(String, usize, Vec<Message>)> {
     // Track the number of fixed errors across iterations.
     let mut fixed = 0;
 
     // As an escape hatch, bail after 100 iterations.
     let mut iterations = 0;
 
+    // Continuously autofix until the source code stabilizes.
     let messages = loop {
         // Tokenize once.
         let tokens: Vec<LexResult> = rustpython_helpers::tokenize(&contents);
@@ -363,12 +319,7 @@ pub fn lint_stdin(
             .collect();
     };
 
-    // Write the fixed contents to stdout.
-    if matches!(autofix, fixer::Mode::Apply) {
-        io::stdout().write_all(contents.as_bytes())?;
-    }
-
-    Ok(Diagnostics { messages, fixed })
+    Ok((contents, fixed, messages))
 }
 
 #[cfg(test)]

src/main.rs

@@ -17,6 +17,7 @@ use std::process::ExitCode;
 use std::sync::mpsc::channel;
 use std::time::Instant;
 
+use ::ruff::autofix::fixer;
 use ::ruff::checks::{CheckCode, CheckKind};
 use ::ruff::cli::{collect_per_file_ignores, extract_log_level, Cli};
 use ::ruff::fs::iter_python_files;
@@ -29,15 +30,14 @@ use ::ruff::settings::types::SerializationFormat;
 use ::ruff::settings::{pyproject, Settings};
 #[cfg(feature = "update-informer")]
 use ::ruff::updates;
-use ::ruff::{cache, commands};
+use ::ruff::{cache, commands, fs};
 use anyhow::Result;
 use clap::{CommandFactory, Parser};
 use colored::Colorize;
 use log::{debug, error};
-use notify::{raw_watcher, RecursiveMode, Watcher};
+use notify::{recommended_watcher, RecursiveMode, Watcher};
 #[cfg(not(target_family = "wasm"))]
 use rayon::prelude::*;
-use ruff::autofix::fixer;
 use rustpython_ast::Location;
 use walkdir::DirEntry;
 
@@ -210,10 +210,12 @@ fn inner_main() -> Result<ExitCode> {
     }
 
     // Find the project root and pyproject.toml.
-    let project_root = pyproject::find_project_root(&cli.files);
-    let pyproject = cli
-        .config
-        .or_else(|| pyproject::find_pyproject_toml(project_root.as_ref()));
+    let config: Option<PathBuf> = cli.config;
+    let project_root = config.as_ref().map_or_else(
+        || pyproject::find_project_root(&cli.files),
+        |config| config.parent().map(fs::normalize_path),
+    );
+    let pyproject = config.or_else(|| pyproject::find_pyproject_toml(project_root.as_ref()));
 
     // Reconcile configuration from pyproject.toml and command-line arguments.
     let mut configuration =
@@ -338,7 +340,7 @@ fn inner_main() -> Result<ExitCode> {
 
         // Configure the file watcher.
         let (tx, rx) = channel();
-        let mut watcher = raw_watcher(tx)?;
+        let mut watcher = recommended_watcher(tx)?;
         for file in &cli.files {
             watcher.watch(file, RecursiveMode::Recursive)?;
         }
@@ -346,15 +348,19 @@ fn inner_main() -> Result<ExitCode> {
         loop {
             match rx.recv() {
                 Ok(e) => {
-                    if let Some(path) = e.path {
-                        if path.to_string_lossy().ends_with(".py") {
-                            printer.clear_screen()?;
-                            printer.write_to_user("File change detected...\n");
+                    let paths = e?.paths;
+                    let py_changed = paths.iter().any(|p| {
+                        p.extension()
+                            .map(|ext| ext.eq_ignore_ascii_case("py"))
+                            .unwrap_or_default()
+                    });
+                    if py_changed {
+                        printer.clear_screen()?;
+                        printer.write_to_user("File change detected...\n");
 
-                            let messages =
-                                run_once(&cli.files, &settings, cache_enabled, &fixer::Mode::None);
-                            printer.write_continuously(&messages)?;
-                        }
+                        let messages =
+                            run_once(&cli.files, &settings, cache_enabled, &fixer::Mode::None);
+                        printer.write_continuously(&messages)?;
                     }
                 }
                 Err(e) => return Err(e.into()),

src/mccabe/settings.rs

@@ -1,10 +1,20 @@
 //! Settings for the `mccabe` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = "The maximum McCabe complexity to allow before triggering `C901` errors.",
+        default = "10",
+        value_type = "usize",
+        example = r#"
+            # Flag errors (`C901`) whenever the complexity level exceeds 5.
+            max-complexity = 5
+        "#
+    )]
     pub max_complexity: Option<usize>,
 }
 

src/pep8_naming/checks.rs

@@ -57,7 +57,7 @@ pub fn invalid_first_argument_name_for_class_method(
     import_aliases: &FxHashMap<&str, &str>,
     settings: &Settings,
 ) -> Option<Check> {
-    if matches!(
+    if !matches!(
         helpers::function_type(
             scope,
             name,
@@ -68,20 +68,21 @@ pub fn invalid_first_argument_name_for_class_method(
         ),
         FunctionType::ClassMethod
     ) {
-        if let Some(arg) = args.posonlyargs.first() {
-            if arg.node.arg != "cls" {
-                return Some(Check::new(
-                    CheckKind::InvalidFirstArgumentNameForClassMethod,
-                    Range::from_located(arg),
-                ));
-            }
-        } else if let Some(arg) = args.args.first() {
-            if arg.node.arg != "cls" {
-                return Some(Check::new(
-                    CheckKind::InvalidFirstArgumentNameForClassMethod,
-                    Range::from_located(arg),
-                ));
-            }
+        return None;
+    }
+    if let Some(arg) = args.posonlyargs.first() {
+        if arg.node.arg != "cls" {
+            return Some(Check::new(
+                CheckKind::InvalidFirstArgumentNameForClassMethod,
+                Range::from_located(arg),
+            ));
+        }
+    } else if let Some(arg) = args.args.first() {
+        if arg.node.arg != "cls" {
+            return Some(Check::new(
+                CheckKind::InvalidFirstArgumentNameForClassMethod,
+                Range::from_located(arg),
+            ));
         }
     }
     None
@@ -97,7 +98,7 @@ pub fn invalid_first_argument_name_for_method(
     import_aliases: &FxHashMap<&str, &str>,
     settings: &Settings,
 ) -> Option<Check> {
-    if matches!(
+    if !matches!(
         helpers::function_type(
             scope,
             name,
@@ -108,16 +109,16 @@ pub fn invalid_first_argument_name_for_method(
         ),
         FunctionType::Method
     ) {
-        if let Some(arg) = args.args.first() {
-            if arg.node.arg != "self" {
-                return Some(Check::new(
-                    CheckKind::InvalidFirstArgumentNameForMethod,
-                    Range::from_located(arg),
-                ));
-            }
-        }
+        return None;
     }
-    None
+    let arg = args.args.first()?;
+    if arg.node.arg == "self" {
+        return None;
+    }
+    Some(Check::new(
+        CheckKind::InvalidFirstArgumentNameForMethod,
+        Range::from_located(arg),
+    ))
 }
 
 /// N807
@@ -125,18 +126,18 @@ pub fn dunder_function_name(scope: &Scope, stmt: &Stmt, name: &str) -> Option<Ch
     if matches!(scope.kind, ScopeKind::Class(_)) {
         return None;
     }
-    if name.starts_with("__") && name.ends_with("__") {
-        // Allowed under PEP 562 (https://peps.python.org/pep-0562/).
-        if matches!(scope.kind, ScopeKind::Module) && (name == "__getattr__" || name == "__dir__") {
-            return None;
-        }
-
-        return Some(Check::new(
-            CheckKind::DunderFunctionName,
-            Range::from_located(stmt),
-        ));
+    if !(name.starts_with("__") && name.ends_with("__")) {
+        return None;
     }
-    None
+    // Allowed under PEP 562 (https://peps.python.org/pep-0562/).
+    if matches!(scope.kind, ScopeKind::Module) && (name == "__getattr__" || name == "__dir__") {
+        return None;
+    }
+
+    Some(Check::new(
+        CheckKind::DunderFunctionName,
+        Range::from_located(stmt),
+    ))
 }
 
 /// N811
@@ -228,19 +229,21 @@ pub fn error_suffix_on_exception_name(
     bases: &[Expr],
     name: &str,
 ) -> Option<Check> {
-    if bases.iter().any(|base| {
+    if !bases.iter().any(|base| {
         if let ExprKind::Name { id, .. } = &base.node {
             id == "Exception" || id.ends_with("Error")
         } else {
             false
         }
     }) {
-        if !name.ends_with("Error") {
-            return Some(Check::new(
-                CheckKind::ErrorSuffixOnExceptionName(name.to_string()),
-                Range::from_located(class_def),
-            ));
-        }
+        return None;
     }
-    None
+
+    if name.ends_with("Error") {
+        return None;
+    }
+    Some(Check::new(
+        CheckKind::ErrorSuffixOnExceptionName(name.to_string()),
+        Range::from_located(class_def),
+    ))
 }

src/pep8_naming/helpers.rs

@@ -28,42 +28,41 @@ pub fn function_type(
     import_aliases: &FxHashMap<&str, &str>,
     settings: &Settings,
 ) -> FunctionType {
-    if let ScopeKind::Class(scope) = &scope.kind {
-        // Special-case class method, like `__new__`.
-        if CLASS_METHODS.contains(&name)
-            || scope.bases.iter().any(|expr| {
-                // The class itself extends a known metaclass, so all methods are class methods.
-                let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
-                METACLASS_BASES.iter().any(|(module, member)| {
-                    match_call_path(&call_path, module, member, from_imports)
-                })
-            })
-            || decorator_list.iter().any(|expr| {
-                // The method is decorated with a class method decorator (like `@classmethod`).
-                let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
-                settings.classmethod_decorators.iter().any(|decorator| {
-                    let (module, member) = to_module_and_member(decorator);
-                    match_call_path(&call_path, module, member, from_imports)
-                })
-            })
-        {
-            FunctionType::ClassMethod
-        } else if decorator_list.iter().any(|expr| {
-            // The method is decorated with a static method decorator (like
-            // `@staticmethod`).
+    let ScopeKind::Class(scope) = &scope.kind else {
+        return FunctionType::Function;
+    };
+    // Special-case class method, like `__new__`.
+    if CLASS_METHODS.contains(&name)
+        || scope.bases.iter().any(|expr| {
+            // The class itself extends a known metaclass, so all methods are class methods.
             let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
-            settings.staticmethod_decorators.iter().any(|decorator| {
+            METACLASS_BASES
+                .iter()
+                .any(|(module, member)| match_call_path(&call_path, module, member, from_imports))
+        })
+        || decorator_list.iter().any(|expr| {
+            // The method is decorated with a class method decorator (like `@classmethod`).
+            let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
+            settings.classmethod_decorators.iter().any(|decorator| {
                 let (module, member) = to_module_and_member(decorator);
                 match_call_path(&call_path, module, member, from_imports)
             })
-        }) {
-            FunctionType::StaticMethod
-        } else {
-            // It's an instance method.
-            FunctionType::Method
-        }
+        })
+    {
+        FunctionType::ClassMethod
+    } else if decorator_list.iter().any(|expr| {
+        // The method is decorated with a static method decorator (like
+        // `@staticmethod`).
+        let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
+        settings.staticmethod_decorators.iter().any(|decorator| {
+            let (module, member) = to_module_and_member(decorator);
+            match_call_path(&call_path, module, member, from_imports)
+        })
+    }) {
+        FunctionType::StaticMethod
     } else {
-        FunctionType::Function
+        // It's an instance method.
+        FunctionType::Method
     }
 }
 
@@ -89,16 +88,15 @@ pub fn is_namedtuple_assignment(
     stmt: &Stmt,
     from_imports: &FxHashMap<&str, FxHashSet<&str>>,
 ) -> bool {
-    if let StmtKind::Assign { value, .. } = &stmt.node {
-        match_call_path(
-            &collect_call_paths(value),
-            "collections",
-            "namedtuple",
-            from_imports,
-        )
-    } else {
-        false
-    }
+    let StmtKind::Assign { value, .. } = &stmt.node else {
+        return false;
+    };
+    match_call_path(
+        &collect_call_paths(value),
+        "collections",
+        "namedtuple",
+        from_imports,
+    )
 }
 
 #[cfg(test)]

src/pep8_naming/settings.rs

@@ -1,5 +1,6 @@
 //! Settings for the `pep8-naming` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
 const IGNORE_NAMES: [&str; 12] = [
@@ -21,11 +22,47 @@ const CLASSMETHOD_DECORATORS: [&str; 1] = ["classmethod"];
 
 const STATICMETHOD_DECORATORS: [&str; 1] = ["staticmethod"];
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = r#"
+            A list of names to ignore when considering `pep8-naming` violations.
+        "#,
+        default = r#"["setUp", "tearDown", "setUpClass", "tearDownClass", "setUpModule", "tearDownModule", "asyncSetUp", "asyncTearDown", "setUpTestData", "failureException", "longMessage", "maxDiff"]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            ignore-names = ["callMethod"]
+        "#
+    )]
     pub ignore_names: Option<Vec<String>>,
+    #[option(
+        doc = r#"
+            A list of decorators that, when applied to a method, indicate that the method should be
+            treated as a class method. For example, Ruff will expect that any method decorated by a
+            decorator in this list takes a `cls` argument as its first argument.
+        "#,
+        default = r#"["classmethod"]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            # Allow Pydantic's `@validator` decorator to trigger class method treatment.
+            classmethod-decorators = ["classmethod", "pydantic.validator"]
+        "#
+    )]
     pub classmethod_decorators: Option<Vec<String>>,
+    #[option(
+        doc = r#"
+            A list of decorators that, when applied to a method, indicate that the method should be
+            treated as a static method. For example, Ruff will expect that any method decorated by a
+            decorator in this list has no `self` or `cls` argument.
+        "#,
+        default = r#"["staticmethod"]"#,
+        value_type = "Vec<String>",
+        example = r#"
+            # Allow a shorthand alias, `@stcmthd`, to trigger static method treatment.
+            staticmethod-decorators = ["staticmethod", "stcmthd"]
+        "#
+    )]
     pub staticmethod_decorators: Option<Vec<String>>,
 }
 

src/printer.rs

@@ -46,14 +46,13 @@ impl<'a> Printer<'a> {
 
     fn pre_text(&self, diagnostics: &Diagnostics) {
         if self.log_level >= &LogLevel::Default {
-            if diagnostics.fixed > 0 {
-                println!(
-                    "Found {} error(s) ({} fixed).",
-                    diagnostics.messages.len(),
-                    diagnostics.fixed,
-                );
-            } else if !diagnostics.messages.is_empty() {
-                println!("Found {} error(s).", diagnostics.messages.len());
+            let fixed = diagnostics.fixed;
+            let remaining = diagnostics.messages.len();
+            let total = fixed + remaining;
+            if fixed > 0 {
+                println!("Found {total} error(s) ({fixed} fixed, {remaining} remaining).");
+            } else if remaining > 0 {
+                println!("Found {remaining} error(s).");
             }
         }
     }

src/pycodestyle/checks.rs

@@ -51,31 +51,32 @@ pub fn type_comparison(ops: &[Cmpop], comparators: &[Expr], location: Range) ->
     let mut checks: Vec<Check> = vec![];
 
     for (op, right) in izip!(ops, comparators) {
-        if matches!(op, Cmpop::Is | Cmpop::IsNot | Cmpop::Eq | Cmpop::NotEq) {
-            match &right.node {
-                ExprKind::Call { func, args, .. } => {
-                    if let ExprKind::Name { id, .. } = &func.node {
-                        // Ex) type(False)
-                        if id == "type" {
-                            if let Some(arg) = args.first() {
-                                // Allow comparison for types which are not obvious.
-                                if !matches!(arg.node, ExprKind::Name { .. }) {
-                                    checks.push(Check::new(CheckKind::TypeComparison, location));
-                                }
+        if !matches!(op, Cmpop::Is | Cmpop::IsNot | Cmpop::Eq | Cmpop::NotEq) {
+            continue;
+        }
+        match &right.node {
+            ExprKind::Call { func, args, .. } => {
+                if let ExprKind::Name { id, .. } = &func.node {
+                    // Ex) type(False)
+                    if id == "type" {
+                        if let Some(arg) = args.first() {
+                            // Allow comparison for types which are not obvious.
+                            if !matches!(arg.node, ExprKind::Name { .. }) {
+                                checks.push(Check::new(CheckKind::TypeComparison, location));
                             }
                         }
                     }
                 }
-                ExprKind::Attribute { value, .. } => {
-                    if let ExprKind::Name { id, .. } = &value.node {
-                        // Ex) types.IntType
-                        if id == "types" {
-                            checks.push(Check::new(CheckKind::TypeComparison, location));
-                        }
+            }
+            ExprKind::Attribute { value, .. } => {
+                if let ExprKind::Name { id, .. } = &value.node {
+                    // Ex) types.IntType
+                    if id == "types" {
+                        checks.push(Check::new(CheckKind::TypeComparison, location));
                     }
                 }
-                _ => {}
             }
+            _ => {}
         }
     }
 
@@ -123,42 +124,42 @@ pub fn invalid_escape_sequence(
         for (row_offset, line) in body.lines().enumerate() {
             let chars: Vec<char> = line.chars().collect();
             for col_offset in 0..chars.len() {
-                if chars[col_offset] == '\\' {
-                    // If the previous character was also a backslash, skip.
-                    if col_offset > 0 && chars[col_offset - 1] == '\\' {
-                        continue;
-                    }
-
-                    // If we're at the end of the line, skip.
-                    if col_offset == chars.len() - 1 {
-                        continue;
-                    }
-
-                    // If the next character is a valid escape sequence, skip.
-                    let next_char = chars[col_offset + 1];
-                    if VALID_ESCAPE_SEQUENCES.contains(&next_char) {
-                        continue;
-                    }
-
-                    // Compute the location of the escape sequence by offsetting the location of the
-                    // string token by the characters we've seen thus far.
-                    let location = if row_offset == 0 {
-                        Location::new(
-                            start.row() + row_offset,
-                            start.column() + prefix.len() + quote.len() + col_offset,
-                        )
-                    } else {
-                        Location::new(start.row() + row_offset, col_offset)
-                    };
-                    let end_location = Location::new(location.row(), location.column() + 2);
-                    checks.push(Check::new(
-                        CheckKind::InvalidEscapeSequence(next_char),
-                        Range {
-                            location,
-                            end_location,
-                        },
-                    ));
+                if chars[col_offset] != '\\' {
+                    continue;
                 }
+
+                // If the previous character was also a backslash, skip.
+                if col_offset > 0 && chars[col_offset - 1] == '\\' {
+                    continue;
+                }
+
+                // If we're at the end of the line, skip.
+                if col_offset == chars.len() - 1 {
+                    continue;
+                }
+
+                // If the next character is a valid escape sequence, skip.
+                let next_char = chars[col_offset + 1];
+                if VALID_ESCAPE_SEQUENCES.contains(&next_char) {
+                    continue;
+                }
+
+                // Compute the location of the escape sequence by offsetting the location of the
+                // string token by the characters we've seen thus far.
+                let col = if row_offset == 0 {
+                    start.column() + prefix.len() + quote.len() + col_offset
+                } else {
+                    col_offset
+                };
+                let location = Location::new(start.row() + row_offset, col);
+                let end_location = Location::new(location.row(), location.column() + 2);
+                checks.push(Check::new(
+                    CheckKind::InvalidEscapeSequence(next_char),
+                    Range {
+                        location,
+                        end_location,
+                    },
+                ));
             }
         }
     }

src/pycodestyle/plugins.rs

@@ -25,10 +25,7 @@ fn compare(left: &Expr, ops: &[Cmpop], comparators: &[Expr]) -> Option<String> {
     );
     let mut generator = SourceGenerator::new();
     generator.unparse_expr(&cmp, 0);
-    if let Ok(content) = generator.generate() {
-        return Some(content);
-    }
-    None
+    generator.generate().ok()
 }
 
 /// E711, E712
@@ -322,7 +319,7 @@ pub fn do_not_assign_lambda(checker: &mut Checker, target: &Expr, value: &Expr,
                                 stmt.end_location.unwrap(),
                             ));
                         }
-                        Err(e) => error!("Failed to generate fix: {}", e),
+                        Err(e) => error!("Failed to generate fix: {e}"),
                     }
                 }
             }

src/pydocstyle/helpers.rs

@@ -0,0 +1,43 @@
+use rustpython_ast::Expr;
+
+use crate::ast::types::Range;
+use crate::docstrings::constants;
+use crate::SourceCodeLocator;
+
+/// Return the leading quote string for a docstring (e.g., `"""`).
+pub fn leading_quote<'a>(docstring: &Expr, locator: &'a SourceCodeLocator) -> Option<&'a str> {
+    if let Some(first_line) = locator
+        .slice_source_code_range(&Range::from_located(docstring))
+        .lines()
+        .next()
+        .map(str::to_lowercase)
+    {
+        for pattern in constants::TRIPLE_QUOTE_PREFIXES
+            .iter()
+            .chain(constants::SINGLE_QUOTE_PREFIXES)
+        {
+            if first_line.starts_with(pattern) {
+                return Some(pattern);
+            }
+        }
+    }
+    None
+}
+
+/// Return the index of the first logical line in a string.
+pub fn logical_line(content: &str) -> Option<usize> {
+    // Find the first logical line.
+    let mut logical_line = None;
+    for (i, line) in content.lines().enumerate() {
+        if line.trim().is_empty() {
+            // Empty line. If this is the line _after_ the first logical line, stop.
+            if logical_line.is_some() {
+                break;
+            }
+        } else {
+            // Non-empty line. Store the index.
+            logical_line = Some(i);
+        }
+    }
+    logical_line
+}

src/pydocstyle/mod.rs

@@ -1,3 +1,4 @@
+mod helpers;
 pub mod plugins;
 
 #[cfg(test)]
@@ -36,7 +37,8 @@ mod tests {
     #[test_case(CheckCode::D214, Path::new("sections.py"); "D214")]
     #[test_case(CheckCode::D215, Path::new("sections.py"); "D215")]
     #[test_case(CheckCode::D300, Path::new("D.py"); "D300")]
-    #[test_case(CheckCode::D400, Path::new("D.py"); "D400")]
+    #[test_case(CheckCode::D400, Path::new("D.py"); "D400_0")]
+    #[test_case(CheckCode::D400, Path::new("D400.py"); "D400_1")]
     #[test_case(CheckCode::D402, Path::new("D.py"); "D402")]
     #[test_case(CheckCode::D403, Path::new("D.py"); "D403")]
     #[test_case(CheckCode::D404, Path::new("D.py"); "D404")]

src/pydocstyle/snapshots/ruff__pydocstyle__tests__D205_D.py.snap

@@ -9,14 +9,7 @@ expression: checks
   end_location:
     row: 203
     column: 7
-  fix:
-    content: "\n"
-    location:
-      row: 201
-      column: 0
-    end_location:
-      row: 201
-      column: 0
+  fix: ~
 - kind: BlankLineAfterSummary
   location:
     row: 210

src/pydocstyle/snapshots/ruff__pydocstyle__tests__D210_D.py.snap

@@ -47,4 +47,12 @@ expression: checks
     end_location:
       row: 299
       column: 36
+- kind: NoSurroundingWhitespace
+  location:
+    row: 581
+    column: 4
+  end_location:
+    row: 581
+    column: 51
+  fix: ~
 

src/pydocstyle/snapshots/ruff__pydocstyle__tests__D400_D.py.snap

@@ -9,7 +9,14 @@ expression: checks
   end_location:
     row: 355
     column: 17
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 355
+      column: 14
+    end_location:
+      row: 355
+      column: 14
 - kind: EndsInPeriod
   location:
     row: 406
@@ -17,7 +24,14 @@ expression: checks
   end_location:
     row: 406
     column: 39
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 406
+      column: 36
+    end_location:
+      row: 406
+      column: 36
 - kind: EndsInPeriod
   location:
     row: 410
@@ -25,7 +39,14 @@ expression: checks
   end_location:
     row: 410
     column: 24
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 410
+      column: 21
+    end_location:
+      row: 410
+      column: 21
 - kind: EndsInPeriod
   location:
     row: 416
@@ -33,7 +54,14 @@ expression: checks
   end_location:
     row: 416
     column: 24
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 416
+      column: 21
+    end_location:
+      row: 416
+      column: 21
 - kind: EndsInPeriod
   location:
     row: 422
@@ -41,7 +69,14 @@ expression: checks
   end_location:
     row: 422
     column: 49
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 422
+      column: 46
+    end_location:
+      row: 422
+      column: 46
 - kind: EndsInPeriod
   location:
     row: 429
@@ -49,7 +84,14 @@ expression: checks
   end_location:
     row: 429
     column: 63
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 429
+      column: 60
+    end_location:
+      row: 429
+      column: 60
 - kind: EndsInPeriod
   location:
     row: 470
@@ -57,7 +99,14 @@ expression: checks
   end_location:
     row: 470
     column: 24
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 470
+      column: 21
+    end_location:
+      row: 470
+      column: 21
 - kind: EndsInPeriod
   location:
     row: 475
@@ -65,7 +114,14 @@ expression: checks
   end_location:
     row: 475
     column: 24
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 475
+      column: 21
+    end_location:
+      row: 475
+      column: 21
 - kind: EndsInPeriod
   location:
     row: 480
@@ -73,7 +129,14 @@ expression: checks
   end_location:
     row: 480
     column: 24
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 480
+      column: 21
+    end_location:
+      row: 480
+      column: 21
 - kind: EndsInPeriod
   location:
     row: 487
@@ -81,7 +144,14 @@ expression: checks
   end_location:
     row: 487
     column: 24
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 487
+      column: 21
+    end_location:
+      row: 487
+      column: 21
 - kind: EndsInPeriod
   location:
     row: 509
@@ -89,7 +159,14 @@ expression: checks
   end_location:
     row: 509
     column: 34
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 509
+      column: 31
+    end_location:
+      row: 509
+      column: 31
 - kind: EndsInPeriod
   location:
     row: 514
@@ -97,7 +174,14 @@ expression: checks
   end_location:
     row: 514
     column: 33
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 514
+      column: 30
+    end_location:
+      row: 514
+      column: 30
 - kind: EndsInPeriod
   location:
     row: 520
@@ -105,5 +189,27 @@ expression: checks
   end_location:
     row: 520
     column: 32
-  fix: ~
+  fix:
+    content: "."
+    location:
+      row: 520
+      column: 29
+    end_location:
+      row: 520
+      column: 29
+- kind: EndsInPeriod
+  location:
+    row: 581
+    column: 4
+  end_location:
+    row: 581
+    column: 51
+  fix:
+    content: "."
+    location:
+      row: 581
+      column: 47
+    end_location:
+      row: 581
+      column: 47