Bump version to 0.0.55

Properly combine CLI and pyproject.toml ignores and selects (#329 )
Support extend-select in pyproject.toml (#327 )
2022-10-04 20:07:31 -04:00 · 2022-10-04 20:07:17 -04:00 · 2022-10-04 17:24:30 -04:00 · 2022-10-04 16:27:57 -04:00 · 2022-10-04 16:27:40 -04:00 · 2022-10-04 14:32:06 -04:00
21 changed files with 2074 additions and 492 deletions
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -21,18 +21,18 @@ dependencies = [

 [[package]]
 name = "aho-corasick"
-version = "0.7.18"
+version = "0.7.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+checksum = "b4f55bd91a0978cbfd91c457a164bab8b4001c833b7f323132c0a4e1922dd44e"
 dependencies = [
 "memchr",
 ]

 [[package]]
 name = "android_system_properties"
-version = "0.1.4"
+version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7ed72e1635e121ca3e79420540282af22da58be50de153d36f81ddc6b83aa9e"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
 dependencies = [
 "libc",
 ]
@@ -45,9 +45,15 @@ checksum = "c7021ce4924a3f25f802b2cccd1af585e39ea1a363a1aa2e72afe54b67a3a7a7"

 [[package]]
 name = "anyhow"
-version = "1.0.60"
+version = "1.0.65"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c794e162a5eff65c72ef524dfe393eb923c354e350bb78b9c7383df13f3bc142"
+checksum = "98161a4e3e2184da77bb14f02184cdd111e83bbbcc9979dfee3c44b9a85f5602"
+
+[[package]]
+name = "ascii"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d92bec98840b8f03a5ff5413de5293bfcd8bf96467cf5452609f939ec6f5de16"

 [[package]]
 name = "ascii-canvas"
@@ -60,9 +66,9 @@ dependencies = [

 [[package]]
 name = "async-channel"
-version = "1.7.0"
+version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b31b87a3367ed04dbcbc252bce3f2a8172fef861d47177524c503c908dff2c6"
+checksum = "e14485364214912d3b19cc3435dde4df66065127f05fa0d75c712f36f12c2f28"
 dependencies = [
 "concurrent-queue",
 "event-listener",
@@ -85,9 +91,9 @@ dependencies = [

 [[package]]
 name = "async-global-executor"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5262ed948da60dd8956c6c5aca4d4163593dddb7b32d73267c93dab7b2e98940"
+checksum = "0da5b41ee986eed3f524c380e6d64965aea573882a8907682ad100f7859305ca"
 dependencies = [
 "async-channel",
 "async-executor",
@@ -95,16 +101,16 @@ dependencies = [
 "async-lock",
 "blocking",
 "futures-lite",
- "num_cpus",
 "once_cell",
 ]

 [[package]]
 name = "async-io"
-version = "1.7.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5e18f61464ae81cde0a23e713ae8fd299580c54d697a35820cfd0625b8b0e07"
+checksum = "83e21f3a490c72b3b0cf44962180e60045de2925d8dff97918f7ee43c8f637c7"
 dependencies = [
+ "autocfg",
 "concurrent-queue",
 "futures-lite",
 "libc",
@@ -129,11 +135,12 @@ dependencies = [

 [[package]]
 name = "async-process"
-version = "1.4.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf2c06e30a24e8c78a3987d07f0930edf76ef35e027e7bdb063fccafdad1f60c"
+checksum = "02111fd8655a613c25069ea89fc8d9bb89331fa77486eb3bc059ee757cfa481c"
 dependencies = [
 "async-io",
+ "autocfg",
 "blocking",
 "cfg-if 1.0.0",
 "event-listener",
@@ -302,9 +309,9 @@ dependencies = [

 [[package]]
 name = "bumpalo"
-version = "3.10.0"
+version = "3.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37ccbd214614c6783386c1af30caf03192f17891059cecc394b4fb119e363de3"
+checksum = "c1ad822118d20d2c234f427000d5acc36eabe1e29a348c89b63dd60b13f28e5d"

 [[package]]
 name = "byte-tools"
@@ -376,9 +383,9 @@ dependencies = [

 [[package]]
 name = "chrono"
-version = "0.4.21"
+version = "0.4.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f725f340c3854e3cb3ab736dc21f0cca183303acea3b3ffec30f141503ac8eb"
+checksum = "bfd4d1b31faaa3a89d7934dbded3111da0d2ef28e3ebccdb4f0179f5929d1ef1"
 dependencies = [
 "iana-time-zone",
 "js-sys",
@@ -397,9 +404,9 @@ checksum = "fff857943da45f546682664a79488be82e69e43c1a7a2307679ab9afb3a66d2e"

 [[package]]
 name = "clap"
-version = "4.0.1"
+version = "4.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd03107d0f87139c1774a15f3db2165b0652b5460c58c27e561f89c20c599eaf"
+checksum = "30607dd93c420c6f1f80b544be522a0238a7db35e6a12968d28910983fee0df0"
 dependencies = [
 "atty",
 "bitflags",
@@ -412,9 +419,9 @@ dependencies = [

 [[package]]
 name = "clap_derive"
-version = "4.0.1"
+version = "4.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca689d7434ce44517a12a89456b2be4d1ea1cafcd8f581978c03d45f5a5c12a7"
+checksum = "a4a307492e1a34939f79d3b6b9650bd2b971513cd775436bf2b78defeb5af00b"
 dependencies = [
 "heck",
 "proc-macro-error",
@@ -473,27 +480,17 @@ dependencies = [

 [[package]]
 name = "console"
-version = "0.15.1"
+version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89eab4d20ce20cea182308bca13088fecea9c05f6776cf287205d41a0ed3c847"
+checksum = "c050367d967ced717c04b65d8c619d863ef9292ce0c5760028655a2fb298718c"
 dependencies = [
 "encode_unicode",
+ "lazy_static",
 "libc",
- "once_cell",
 "terminal_size",
 "winapi 0.3.9",
 ]

-[[package]]
-name = "core-foundation"
-version = "0.9.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "194a7a9e6de53fa55116934067c844d9d749312f75c6f6d0980e8c252f8c2146"
-dependencies = [
- "core-foundation-sys",
- "libc",
-]
-
 [[package]]
 name = "core-foundation-sys"
 version = "0.8.3"
@@ -502,9 +499,9 @@ checksum = "5827cebf4670468b8772dd191856768aedcb1b0278a04f989f7766351917b9dc"

 [[package]]
 name = "cpufeatures"
-version = "0.2.2"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59a6001667ab124aebae2a495118e11d30984c3a653e99d86d58971708cf5e4b"
+checksum = "28d997bd5e24a5928dd43e46dc529867e207907fe0b239c3477d924f7f2ca320"
 dependencies = [
 "libc",
 ]
@@ -541,26 +538,24 @@ dependencies = [

 [[package]]
 name = "crossbeam-epoch"
-version = "0.9.10"
+version = "0.9.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "045ebe27666471bb549370b4b0b3e51b07f56325befa4284db65fc89c02511b1"
+checksum = "f916dfc5d356b0ed9dae65f1db9fc9770aa2851d2662b988ccf4fe3516e86348"
 dependencies = [
 "autocfg",
 "cfg-if 1.0.0",
 "crossbeam-utils",
 "memoffset",
- "once_cell",
 "scopeguard",
 ]

 [[package]]
 name = "crossbeam-utils"
-version = "0.8.11"
+version = "0.8.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51887d4adc7b564537b15adcfb307936f8075dfcd5f00dde9a9f1d29383682bc"
+checksum = "edbafec5fa1f196ca66527c1b12c2ec4745ca14b50f1ad8f9f6f720b55d11fac"
 dependencies = [
 "cfg-if 1.0.0",
- "once_cell",
 ]

 [[package]]
@@ -665,9 +660,9 @@ dependencies = [

 [[package]]
 name = "either"
-version = "1.7.0"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3f107b87b6afc2a64fd13cac55fe06d6c8859f12d4b14cbcdd2c67d0976781be"
+checksum = "90e5c1c8368803113bf0c9584fc495a58b86dc8a29edbf8fe877d21d9507e797"

 [[package]]
 name = "ena"
@@ -750,11 +745,10 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"

 [[package]]
 name = "form_urlencoded"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5fc25a87fa4fd2094bffb06925852034d90a17f0d1e05197d4956d3555752191"
+checksum = "a9c384f161156f5260c24a097c56119f9be8c798586aecc13afbcbe7b7e26bf8"
 dependencies = [
- "matches",
 "percent-encoding",
 ]

@@ -795,9 +789,9 @@ checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"

 [[package]]
 name = "futures"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f73fe65f54d1e12b726f517d3e2135ca3125a437b6d998caf1962961f7172d9e"
+checksum = "7f21eda599937fba36daeb58a22e8f5cee2d14c4a17b5b7739c7c8e5e3b8230c"
 dependencies = [
 "futures-channel",
 "futures-core",
@@ -810,9 +804,9 @@ dependencies = [

 [[package]]
 name = "futures-channel"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3083ce4b914124575708913bca19bfe887522d6e2e6d0952943f5eac4a74010"
+checksum = "30bdd20c28fadd505d0fd6712cdfcb0d4b5648baf45faef7f852afb2399bb050"
 dependencies = [
 "futures-core",
 "futures-sink",
@@ -820,15 +814,15 @@ dependencies = [

 [[package]]
 name = "futures-core"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c09fd04b7e4073ac7156a9539b57a484a8ea920f79c7c675d05d289ab6110d3"
+checksum = "4e5aa3de05362c3fb88de6531e6296e85cde7739cccad4b9dfeeb7f6ebce56bf"

 [[package]]
 name = "futures-executor"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9420b90cfa29e327d0429f19be13e7ddb68fa1cccb09d65e5706b8c7a749b8a6"
+checksum = "9ff63c23854bee61b6e9cd331d523909f238fc7636290b96826e9cfa5faa00ab"
 dependencies = [
 "futures-core",
 "futures-task",
@@ -837,9 +831,9 @@ dependencies = [

 [[package]]
 name = "futures-io"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc4045962a5a5e935ee2fdedaa4e08284547402885ab326734432bed5d12966b"
+checksum = "bbf4d2a7a308fd4578637c0b17c7e1c7ba127b8f6ba00b29f717e9655d85eb68"

 [[package]]
 name = "futures-lite"
@@ -858,9 +852,9 @@ dependencies = [

 [[package]]
 name = "futures-macro"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33c1e13800337f4d4d7a316bf45a567dbcb6ffe087f16424852d97e97a91f512"
+checksum = "42cd15d1c7456c04dbdf7e88bcd69760d74f3a798d6444e16974b505b0e62f17"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -869,21 +863,21 @@ dependencies = [

 [[package]]
 name = "futures-sink"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21163e139fa306126e6eedaf49ecdb4588f939600f0b1e770f4205ee4b7fa868"
+checksum = "21b20ba5a92e727ba30e72834706623d94ac93a725410b6a6b6fbc1b07f7ba56"

 [[package]]
 name = "futures-task"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57c66a976bf5909d801bbef33416c41372779507e7a6b3a5e25e4749c58f776a"
+checksum = "a6508c467c73851293f390476d4491cf4d227dbabcd4170f3bb6044959b294f1"

 [[package]]
 name = "futures-util"
-version = "0.3.21"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d8b7abd5d659d9b90c8cba917f6ec750a74e2dc23902ef9cd4cc8c8b22e6036a"
+checksum = "44fb6cb1be61cc1d2e43b262516aafcf63b241cffdb1d3fa115f91d9c7b09c90"
 dependencies = [
 "futures-channel",
 "futures-core",
@@ -990,13 +984,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"

 [[package]]
-name = "iana-time-zone"
-version = "0.1.41"
+name = "hexf-parse"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1779539f58004e5dba1c1f093d44325ebeb244bfc04b791acdc0aaeca9c04570"
+checksum = "dfa686283ad6dd069f105e5ab091b04c62850d3e4cf5d67debad1933f55023df"
+
+[[package]]
+name = "iana-time-zone"
+version = "0.1.50"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fd911b35d940d2bd0bea0f9100068e5b97b51a1cbe13d13382f132e0365257a0"
 dependencies = [
 "android_system_properties",
- "core-foundation",
+ "core-foundation-sys",
 "js-sys",
 "wasm-bindgen",
 "winapi 0.3.9",
@@ -1004,11 +1004,10 @@ dependencies = [

 [[package]]
 name = "idna"
-version = "0.2.3"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "418a0a6fab821475f634efe3ccc45c013f742efe03d853e8d3355d5cb850ecf8"
+checksum = "e14ddfc70884202db2244c223200c204c2bda1bc6e0998d11b5e024d657209e6"
 dependencies = [
- "matches",
 "unicode-bidi",
 "unicode-normalization",
 ]
@@ -1045,13 +1044,13 @@ dependencies = [

 [[package]]
 name = "insta"
-version = "1.19.1"
+version = "1.21.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc61e98be01e89296f3343a878e9f8ca75a494cb5aaf29df65ef55734aeb85f5"
+checksum = "581d4e3314cae4536e5d22ffd23189d4a374696c5ef733eadafae0ed273fd303"
 dependencies = [
 "console",
+ "lazy_static",
 "linked-hash-map",
- "once_cell",
 "serde",
 "similar",
 "yaml-rust",
@@ -1092,9 +1091,9 @@ checksum = "6c8af84674fe1f223a982c933a0ee1086ac4d4052aa0fb8060c12c6ad838e754"

 [[package]]
 name = "js-sys"
-version = "0.3.59"
+version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "258451ab10b34f8af53416d1fdab72c22e805f0c92a1136d59470ec0b11138b2"
+checksum = "49409df3e3bf0856b916e2ceaca09ee28e6871cf7d9ce97a692cacfdb2a25a47"
 dependencies = [
 "wasm-bindgen",
 ]
@@ -1163,10 +1162,40 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"

 [[package]]
-name = "libc"
-version = "0.2.127"
+name = "lexical-parse-float"
+version = "0.8.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "505e71a4706fa491e9b1b55f51b95d4037d0821ee40131190475f692b35b009b"
+checksum = "683b3a5ebd0130b8fb52ba0bdc718cc56815b6a097e28ae5a6997d0ad17dc05f"
+dependencies = [
+ "lexical-parse-integer",
+ "lexical-util",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-parse-integer"
+version = "0.8.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d0994485ed0c312f6d965766754ea177d07f9c00c9b82a5ee62ed5b47945ee9"
+dependencies = [
+ "lexical-util",
+ "static_assertions",
+]
+
+[[package]]
+name = "lexical-util"
+version = "0.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5255b9ff16ff898710eb9eb63cb39248ea8a5bb036bea8085b1a767ff6c4e3fc"
+dependencies = [
+ "static_assertions",
+]
+
+[[package]]
+name = "libc"
+version = "0.2.134"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "329c933548736bc49fd575ee68c89e8be4d260064184389a5b77517cddd99ffb"

 [[package]]
 name = "libcst"
@@ -1200,9 +1229,9 @@ checksum = "0717cef1bc8b636c6e1c1bbdefc09e6322da8a9321966e8928ef80d20f7f770f"

 [[package]]
 name = "lock_api"
-version = "0.4.7"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "327fa5b6a6940e4699ec49a9beae1ea4845c6bab9314e4f84ac68742139d8c53"
+checksum = "435011366fe56583b16cf956f9df0095b405b82d76425bc8981c0e22e60ec4df"
 dependencies = [
 "autocfg",
 "scopeguard",
@@ -1220,9 +1249,9 @@ dependencies = [

 [[package]]
 name = "lz4_flex"
-version = "0.9.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c038063f7a78126c539d666a0323a2032de5e7366012cd14a6eafc5ba290bbd6"
+checksum = "1a8cbbb2831780bc3b9c15a41f5b49222ef756b6730a95f3decfdd15903eb5a3"
 dependencies = [
 "twox-hash",
 ]
@@ -1241,9 +1270,9 @@ checksum = "2dffe52ecf27772e601905b7522cb4ef790d2cc203488bbd0e2fe85fcb74566d"

 [[package]]
 name = "memmap2"
-version = "0.5.5"
+version = "0.5.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3a79b39c93a7a5a27eeaf9a23b5ff43f1b9e0ad6b1cdd441140ae53c35613fc7"
+checksum = "95af15f345b17af2efc8ead6080fb8bc376f8cec1b35277b935637595fe77498"
 dependencies = [
 "libc",
 ]
@@ -1259,9 +1288,9 @@ dependencies = [

 [[package]]
 name = "miniz_oxide"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f5c75688da582b8ffc1f1799e9db273f32133c49e048f614d22ec3256773ccc"
+checksum = "96590ba8f175222643a85693f33d26e9c8a015f599c216509b1a6894af675d34"
 dependencies = [
 "adler",
 ]
@@ -1436,9 +1465,9 @@ checksum = "624a8340c38c1b80fd549087862da4ba43e08858af025b236e509b6649fc13d5"

 [[package]]
 name = "os_str_bytes"
-version = "6.2.0"
+version = "6.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "648001efe5d5c0102d8cea768e348da85d90af8ba91f0bea908f157951493cd4"
+checksum = "9ff7415e9ae3fff1225851df9e0d9e4e5479f947619774677a63572e55e80eff"

 [[package]]
 name = "parking"
@@ -1522,9 +1551,9 @@ checksum = "9fa00462b37ead6d11a82c9d568b26682d78e0477dc02d1966c013af80969739"

 [[package]]
 name = "percent-encoding"
-version = "2.1.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"

 [[package]]
 name = "petgraph"
@@ -1632,10 +1661,11 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"

 [[package]]
 name = "polling"
-version = "2.2.0"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "685404d509889fade3e86fe3a5803bca2ec09b0c0778d5ada6ec8bf7a8de5259"
+checksum = "899b00b9c8ab553c743b3e11e87c5c7d423b2a2de229ba95b24a756344748011"
 dependencies = [
+ "autocfg",
 "cfg-if 1.0.0",
 "libc",
 "log",
@@ -1681,9 +1711,9 @@ dependencies = [

 [[package]]
 name = "proc-macro2"
-version = "1.0.43"
+version = "1.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0a2ca2c61bc9f3d74d2886294ab7b9853abd9c1ad903a3ac7815c58989bb7bab"
+checksum = "94e2ef8dbfc347b10c094890f778ee2e36ca9bb4262e86dc99cd217e35f3470b"
 dependencies = [
 "unicode-ident",
 ]
@@ -1697,6 +1727,12 @@ dependencies = [
 "proc-macro2",
 ]

+[[package]]
+name = "radium"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dc33ff2d4973d518d823d61aa239014831e521c75da58e3df4840d3f47749d09"
+
 [[package]]
 name = "rand"
 version = "0.7.3"
@@ -1719,7 +1755,7 @@ checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
 dependencies = [
 "libc",
 "rand_chacha 0.3.1",
- "rand_core 0.6.3",
+ "rand_core 0.6.4",
 ]

 [[package]]
@@ -1739,7 +1775,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
 "ppv-lite86",
- "rand_core 0.6.3",
+ "rand_core 0.6.4",
 ]

 [[package]]
@@ -1753,9 +1789,9 @@ dependencies = [

 [[package]]
 name = "rand_core"
-version = "0.6.3"
+version = "0.6.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
 dependencies = [
 "getrandom 0.2.7",
 ]
@@ -1871,7 +1907,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.53"
+version = "0.0.55"
 dependencies = [
 "anyhow",
 "bincode",
@@ -1894,6 +1930,8 @@ dependencies = [
 "path-absolutize",
 "rayon",
 "regex",
+ "rustpython-ast",
+ "rustpython-common",
 "rustpython-parser",
 "serde",
 "serde_json",
@@ -1920,9 +1958,33 @@ version = "0.1.0"
 source = "git+https://github.com/charliermarsh/RustPython.git?rev=4f457893efc381ad5c432576b24bcc7e4a08c641#4f457893efc381ad5c432576b24bcc7e4a08c641"
 dependencies = [
 "num-bigint",
+ "rustpython-common",
 "rustpython-compiler-core",
 ]

+[[package]]
+name = "rustpython-common"
+version = "0.0.0"
+source = "git+https://github.com/charliermarsh/RustPython.git?rev=4f457893efc381ad5c432576b24bcc7e4a08c641#4f457893efc381ad5c432576b24bcc7e4a08c641"
+dependencies = [
+ "ascii",
+ "cfg-if 1.0.0",
+ "hexf-parse",
+ "lexical-parse-float",
+ "libc",
+ "lock_api",
+ "num-bigint",
+ "num-complex",
+ "num-traits",
+ "once_cell",
+ "radium",
+ "rand 0.8.5",
+ "siphasher",
+ "unic-ucd-category",
+ "volatile",
+ "widestring",
+]
+
 [[package]]
 name = "rustpython-compiler-core"
 version = "0.1.2"
@@ -2003,24 +2065,24 @@ dependencies = [

 [[package]]
 name = "semver"
-version = "1.0.13"
+version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93f6841e709003d68bb2deee8c343572bf446003ec20a583e76f7b15cebf3711"
+checksum = "e25dfac463d778e353db5be2449d1cce89bd6fd23c9f1ea21310ce6e5a1b29c4"

 [[package]]
 name = "serde"
-version = "1.0.143"
+version = "1.0.145"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "53e8e5d5b70924f74ff5c6d64d9a5acd91422117c60f48c4e07855238a254553"
+checksum = "728eb6351430bccb993660dfffc5a72f91ccc1295abaa8ce19b27ebe4f75568b"
 dependencies = [
 "serde_derive",
 ]

 [[package]]
 name = "serde_derive"
-version = "1.0.143"
+version = "1.0.145"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d3d8e8de557aee63c26b85b947f5e59b690d0454c753f3adeb5cd7835ab88391"
+checksum = "81fa1584d3d1bcacd84c277a0dfe21f5b0f6accf4a23d04d4c6d61f1af522b4c"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2029,9 +2091,9 @@ dependencies = [

 [[package]]
 name = "serde_json"
-version = "1.0.83"
+version = "1.0.85"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38dd04e3c8279e75b31ef29dbdceebfe5ad89f4d0937213c53f7d49d01b3d5a7"
+checksum = "e55a28e3aaef9d5ce0506d0a14dbba8054ddc7e499ef522dd8b26859ec9d4a44"
 dependencies = [
 "itoa",
 "ryu",
@@ -2130,15 +2192,15 @@ dependencies = [

 [[package]]
 name = "smallvec"
-version = "1.9.0"
+version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
+checksum = "a507befe795404456341dfab10cef66ead4c041f62b8b11bbb92bffe5d0953e0"

 [[package]]
 name = "socket2"
-version = "0.4.4"
+version = "0.4.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "66d72b759436ae32898a2af0a14218dbf55efde3feeb170eb623637db85ee1e0"
+checksum = "02e2d2db9033d13a1567121ddd7a095ee144db4e1ca1b1bda3419bc0da294ebd"
 dependencies = [
 "libc",
 "winapi 0.3.9",
@@ -2192,9 +2254,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"

 [[package]]
 name = "syn"
-version = "1.0.99"
+version = "1.0.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "58dbef6ec655055e20b86b15a8cc6d439cca19b667537ac6a1369572d151ab13"
+checksum = "e90cde112c4b9690b8cbe810cba9ddd8bc1d7472e2cae317b69e9438c1cba7d2"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2370,6 +2432,18 @@ dependencies = [
 "unic-ucd-version",
 ]

+[[package]]
+name = "unic-ucd-category"
+version = "0.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1b8d4591f5fcfe1bd4453baaf803c40e1b1e69ff8455c47620440b46efef91c0"
+dependencies = [
+ "matches",
+ "unic-char-property",
+ "unic-char-range",
+ "unic-ucd-version",
+]
+
 [[package]]
 name = "unic-ucd-ident"
 version = "0.9.0"
@@ -2398,30 +2472,30 @@ checksum = "099b7128301d285f79ddd55b9a83d5e6b9e97c92e0ea0daebee7263e932de992"

 [[package]]
 name = "unicode-ident"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
+checksum = "dcc811dc4066ac62f84f11307873c4850cb653bfa9b1719cee2bd2204a4bc5dd"

 [[package]]
 name = "unicode-normalization"
-version = "0.1.21"
+version = "0.1.22"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "854cbdc4f7bc6ae19c820d44abdc3277ac3e1b2b93db20a636825d9322fb60e6"
+checksum = "5c5713f0fc4b5db668a2ac63cdb7bb4469d8c9fed047b1d0292cc7b0ce2ba921"
 dependencies = [
 "tinyvec",
 ]

 [[package]]
 name = "unicode-xid"
-version = "0.2.3"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "957e51f3646910546462e67d5f7599b9e4fb8acdd304b087a6494730f9eebf04"
+checksum = "f962df74c8c05a667b5ee8bcf162993134c104e96440b663c8daa176dc772d8c"

 [[package]]
 name = "unicode_names2"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eec8e807a365e5c972debc47b8f06d361b37b94cfd18d48f7adc715fb86404dd"
+checksum = "029df4cc8238cefc911704ff8fa210853a0f3bce2694d8f51181dd41ee0f3301"

 [[package]]
 name = "untrusted"
@@ -2463,13 +2537,12 @@ dependencies = [

 [[package]]
 name = "url"
-version = "2.2.2"
+version = "2.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a507c383b2d33b5fc35d1861e77e6b383d158b2da5e14fe51b83dfedf6fd578c"
+checksum = "0d68c799ae75762b8c3fe375feb6600ef5602c883c5d21eb51c09f22b83c4643"
 dependencies = [
 "form_urlencoded",
 "idna",
- "matches",
 "percent-encoding",
 ]

@@ -2489,6 +2562,12 @@ version = "0.9.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"

+[[package]]
+name = "volatile"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8e76fae08f03f96e166d2dfda232190638c10e0383841252416f9cfe2ae60e6"
+
 [[package]]
 name = "waker-fn"
 version = "1.1.0"
@@ -2526,9 +2605,9 @@ checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"

 [[package]]
 name = "wasm-bindgen"
-version = "0.2.82"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc7652e3f6c4706c8d9cd54832c4a4ccb9b5336e2c3bd154d5cccfbf1c1f5f7d"
+checksum = "eaf9f5aceeec8be17c128b2e93e031fb8a4d469bb9c4ae2d7dc1888b26887268"
 dependencies = [
 "cfg-if 1.0.0",
 "wasm-bindgen-macro",
@@ -2536,9 +2615,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.82"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "662cd44805586bd52971b9586b1df85cdbbd9112e4ef4d8f41559c334dc6ac3f"
+checksum = "4c8ffb332579b0557b52d268b91feab8df3615f265d5270fec2a8c95b17c1142"
 dependencies = [
 "bumpalo",
 "log",
@@ -2551,9 +2630,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.4.32"
+version = "0.4.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fa76fb221a1f8acddf5b54ace85912606980ad661ac7a503b4570ffd3a624dad"
+checksum = "23639446165ca5a5de86ae1d8896b737ae80319560fbaa4c2887b7da6e7ebd7d"
 dependencies = [
 "cfg-if 1.0.0",
 "js-sys",
@@ -2563,9 +2642,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.82"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b260f13d3012071dfb1512849c033b1925038373aea48ced3012c09df952c602"
+checksum = "052be0f94026e6cbc75cdefc9bae13fd6052cdcaf532fa6c45e7ae33a1e6c810"
 dependencies = [
 "quote",
 "wasm-bindgen-macro-support",
@@ -2573,9 +2652,9 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.82"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5be8e654bdd9b79216c2929ab90721aa82faf65c48cdf08bdc4e7f51357b80da"
+checksum = "07bc0c051dc5f23e307b13285f9d75df86bfdf816c5721e573dec1f9b8aa193c"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -2586,15 +2665,15 @@ dependencies = [

 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.82"
+version = "0.2.83"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6598dd0bd3c7d51095ff6531a5b23e02acdc81804e30d8f07afb77b7215a140a"
+checksum = "1c38c045535d93ec4f0b4defec448e4291638ee608530863b1e2ba115d4fff7f"

 [[package]]
 name = "web-sys"
-version = "0.3.59"
+version = "0.3.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed055ab27f941423197eb86b2035720b1a3ce40504df082cac2ecc6ed73335a1"
+checksum = "bcda906d8be16e728fd5adc5b729afad4e444e106ab28cd1c7256e54fa61510f"
 dependencies = [
 "js-sys",
 "wasm-bindgen",
@@ -2612,9 +2691,9 @@ dependencies = [

 [[package]]
 name = "webpki-roots"
-version = "0.22.4"
+version = "0.22.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f1c760f0d366a6c24a02ed7816e23e691f5d92291f94d15e836006fd11b04daf"
+checksum = "368bfe657969fb01238bb756d351dcade285e0f6fcbd36dcb23359a5169975be"
 dependencies = [
 "webpki",
 ]
@@ -2630,15 +2709,21 @@ dependencies = [

 [[package]]
 name = "which"
-version = "4.2.5"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5c4fb54e6113b6a8772ee41c3404fb0301ac79604489467e0a9ce1f3e97c24ae"
+checksum = "1c831fbbee9e129a8cf93e7747a82da9d95ba8e16621cae60ec2cdc849bacb7b"
 dependencies = [
 "either",
- "lazy_static",
 "libc",
+ "once_cell",
 ]

+[[package]]
+name = "widestring"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17882f045410753661207383517a6f62ec3dbeb6a4ed2acce01f0728238d1983"
+
 [[package]]
 name = "winapi"
 version = "0.2.8"
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff"
-version = "0.0.53"
+version = "0.0.55"
 edition = "2021"

 [lib]
@@ -27,7 +27,9 @@ once_cell = { version = "1.13.1" }
 path-absolutize = { version = "3.0.13", features = ["once_cell_cache"] }
 rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/charliermarsh/RustPython.git", rev = "4f457893efc381ad5c432576b24bcc7e4a08c641" }
 rustpython-parser = { features = ["lalrpop"], git = "https://github.com/charliermarsh/RustPython.git", rev = "4f457893efc381ad5c432576b24bcc7e4a08c641" }
+rustpython-common = { git = "https://github.com/charliermarsh/RustPython.git", rev = "4f457893efc381ad5c432576b24bcc7e4a08c641" }
 serde = { version = "1.0.143", features = ["derive"] }
 serde_json = { version = "1.0.83" }
 toml = { version = "0.5.9" }
--- a/README.md
+++ b/README.md
@@ -213,6 +213,7 @@ ruff also implements some of the most popular Flake8 plugins natively, including
 - [`flake8-builtins`](https://pypi.org/project/flake8-builtins/)
 - [`flake8-super`](https://pypi.org/project/flake8-super/)
 - [`flake8-print`](https://pypi.org/project/flake8-print/)
+- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (partial)

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

@@ -222,59 +223,64 @@ Beyond rule-set parity, ruff suffers from the following limitations vis-à-vis F

 ## Rules

-| Code | Name | Message |
-| ---- | ----- | ------- |
-| E402 | ModuleImportNotAtTopOfFile | Module level import not at top of file |
-| E501 | LineTooLong | Line too long (89 > 88 characters) |
-| E711 | NoneComparison | Comparison to `None` should be `cond is None` |
-| E712 | TrueFalseComparison | Comparison to `True` should be `cond is True` |
-| E713 | NotInTest | Test for membership should be `not in` |
-| E714 | NotIsTest | Test for object identity should be `is not` |
-| E721 | TypeComparison | do not compare types, use `isinstance()` |
-| E722 | DoNotUseBareExcept | Do not use bare `except` |
-| E731 | DoNotAssignLambda | Do not assign a lambda expression, use a def |
-| E741 | AmbiguousVariableName | ambiguous variable name '...' |
-| E742 | AmbiguousClassName | ambiguous class name '...' |
-| E743 | AmbiguousFunctionName | ambiguous function name '...' |
-| E902 | IOError | ... |
-| E999 | SyntaxError | SyntaxError: ... |
-| F401 | UnusedImport | `...` imported but unused |
-| F402 | ImportShadowedByLoopVar | import '...' from line 1 shadowed by loop variable |
-| F403 | ImportStarUsed | `from ... import *` used; unable to detect undefined names |
-| F404 | LateFutureImport | from __future__ imports must occur at the beginning of the file |
-| F405 | ImportStarUsage | '...' may be undefined, or defined from star imports: ... |
-| F406 | ImportStarNotPermitted | `from ... import *` only allowed at module level |
-| F407 | FutureFeatureNotDefined | future feature '...' is not defined |
-| F541 | FStringMissingPlaceholders | f-string without any placeholders |
-| F601 | MultiValueRepeatedKeyLiteral | Dictionary key literal repeated |
-| F602 | MultiValueRepeatedKeyVariable | Dictionary key `...` repeated |
-| F621 | TooManyExpressionsInStarredAssignment | too many expressions in star-unpacking assignment |
-| F622 | TwoStarredExpressions | two starred expressions in assignment |
-| F631 | AssertTuple | Assert test is a non-empty tuple, which is always `True` |
-| F632 | IsLiteral | use ==/!= to compare constant literals |
-| F633 | InvalidPrintSyntax | use of >> is invalid with print function |
-| F634 | IfTuple | If test is a tuple, which is always `True` |
-| F701 | BreakOutsideLoop | `break` outside loop |
-| F702 | ContinueOutsideLoop | `continue` not properly in loop |
-| F704 | YieldOutsideFunction | a `yield` or `yield from` statement outside of a function/method |
-| F706 | ReturnOutsideFunction | a `return` statement outside of a function/method |
-| F707 | DefaultExceptNotLast | an `except:` block as not the last exception handler |
-| F722 | ForwardAnnotationSyntaxError | syntax error in forward annotation '...' |
-| F821 | UndefinedName | Undefined name `...` |
-| F822 | UndefinedExport | Undefined name `...` in `__all__` |
-| F823 | UndefinedLocal | Local variable `...` referenced before assignment |
-| F831 | DuplicateArgumentName | Duplicate argument name in function definition |
-| F841 | UnusedVariable | Local variable `...` is assigned to but never used |
-| F901 | RaiseNotImplemented | `raise NotImplemented` should be `raise NotImplementedError` |
-| A001 | BuiltinVariableShadowing | Variable `...` is shadowing a python builtin |
-| A002 | BuiltinArgumentShadowing | Argument `...` is shadowing a python builtin |
-| A003 | BuiltinAttributeShadowing | class attribute `...` is shadowing a python builtin |
-| SPR001 | SuperCallWithParameters | Use `super()` instead of `super(__class__, self)` |
-| T201 | PrintFound | `print` found |
-| T203 | PPrintFound | `pprint` found` |
-| R001 | UselessObjectInheritance | Class `...` inherits from object |
-| R002 | NoAssertEquals | `assertEquals` is deprecated, use `assertEqual` instead |
-| M001 | UnusedNOQA | Unused `noqa` directive |
+The ✅ emoji indicates a rule is enabled by default.
+
+The 🛠 emoji indicates that a rule is automatically fixable by the `--fix` command-line option.
+
+| Code | Name | Message |     |     |
+| ---- | ---- | ------- | --- | --- |
+| E402 | ModuleImportNotAtTopOfFile | Module level import not at top of file | ✅ |  |
+| E501 | LineTooLong | Line too long (89 > 88 characters) | ✅ |  |
+| E711 | NoneComparison | Comparison to `None` should be `cond is None` | ✅ |  |
+| E712 | TrueFalseComparison | Comparison to `True` should be `cond is True` | ✅ |  |
+| E713 | NotInTest | Test for membership should be `not in` | ✅ |  |
+| E714 | NotIsTest | Test for object identity should be `is not` | ✅ |  |
+| E721 | TypeComparison | Do not compare types, use `isinstance()` | ✅ |  |
+| E722 | DoNotUseBareExcept | Do not use bare `except` | ✅ |  |
+| E731 | DoNotAssignLambda | Do not assign a lambda expression, use a def | ✅ |  |
+| E741 | AmbiguousVariableName | Ambiguous variable name: `...` | ✅ |  |
+| E742 | AmbiguousClassName | Ambiguous class name: `...` | ✅ |  |
+| E743 | AmbiguousFunctionName | Ambiguous function name: `...` | ✅ |  |
+| E902 | IOError | IOError: `...` | ✅ |  |
+| E999 | SyntaxError | SyntaxError: `...` | ✅ |  |
+| F401 | UnusedImport | `...` imported but unused | ✅ | 🛠 |
+| F402 | ImportShadowedByLoopVar | Import `...` from line 1 shadowed by loop variable | ✅ |  |
+| F403 | ImportStarUsed | `from ... import *` used; unable to detect undefined names | ✅ |  |
+| F404 | LateFutureImport | `from __future__` imports must occur at the beginning of the file | ✅ |  |
+| F405 | ImportStarUsage | `...` may be undefined, or defined from star imports: `...` | ✅ |  |
+| F406 | ImportStarNotPermitted | `from ... import *` only allowed at module level | ✅ |  |
+| F407 | FutureFeatureNotDefined | Future feature `...` is not defined | ✅ |  |
+| F541 | FStringMissingPlaceholders | f-string without any placeholders | ✅ |  |
+| F601 | MultiValueRepeatedKeyLiteral | Dictionary key literal repeated | ✅ |  |
+| F602 | MultiValueRepeatedKeyVariable | Dictionary key `...` repeated | ✅ |  |
+| F621 | ExpressionsInStarAssignment | Too many expressions in star-unpacking assignment | ✅ |  |
+| F622 | TwoStarredExpressions | Two starred expressions in assignment | ✅ |  |
+| F631 | AssertTuple | Assert test is a non-empty tuple, which is always `True` | ✅ |  |
+| F632 | IsLiteral | Use `==` and `!=` to compare constant literals | ✅ |  |
+| F633 | InvalidPrintSyntax | Use of `>>` is invalid with `print` function | ✅ |  |
+| F634 | IfTuple | If test is a tuple, which is always `True` | ✅ |  |
+| F701 | BreakOutsideLoop | `break` outside loop | ✅ |  |
+| F702 | ContinueOutsideLoop | `continue` not properly in loop | ✅ |  |
+| F704 | YieldOutsideFunction | `yield` or `yield from` statement outside of a function/method | ✅ |  |
+| F706 | ReturnOutsideFunction | `return` statement outside of a function/method | ✅ |  |
+| F707 | DefaultExceptNotLast | An `except:` block as not the last exception handler | ✅ |  |
+| F722 | ForwardAnnotationSyntaxError | Syntax error in forward annotation: `...` | ✅ |  |
+| F821 | UndefinedName | Undefined name `...` | ✅ |  |
+| F822 | UndefinedExport | Undefined name `...` in `__all__` | ✅ |  |
+| F823 | UndefinedLocal | Local variable `...` referenced before assignment | ✅ |  |
+| F831 | DuplicateArgumentName | Duplicate argument name in function definition | ✅ |  |
+| F841 | UnusedVariable | Local variable `...` is assigned to but never used | ✅ |  |
+| F901 | RaiseNotImplemented | `raise NotImplemented` should be `raise NotImplementedError` | ✅ |  |
+| A001 | BuiltinVariableShadowing | Variable `...` is shadowing a python builtin |  |  |
+| A002 | BuiltinArgumentShadowing | Argument `...` is shadowing a python builtin |  |  |
+| A003 | BuiltinAttributeShadowing | Class attribute `...` is shadowing a python builtin |  |  |
+| SPR001 | SuperCallWithParameters | Use `super()` instead of `super(__class__, self)` |  | 🛠 |
+| T201 | PrintFound | `print` found |  | 🛠 |
+| T203 | PPrintFound | `pprint` found |  | 🛠 |
+| U001 | UselessMetaclassType | `__metaclass__ = type` is implied |  | 🛠 |
+| R001 | UselessObjectInheritance | Class `...` inherits from object |  | 🛠 |
+| R002 | NoAssertEquals | `assertEquals` is deprecated, use `assertEqual` instead |  | 🛠 |
+| M001 | UnusedNOQA | Unused `noqa` directive |  | 🛠 |

 ## Integrations

@@ -477,4 +483,4 @@ MIT
 ## Contributing

 Contributions are welcome and hugely appreciated. To get started, check out the
-[contributing guidelines](https://github.com/charliermarsh/ruff/blob/main/CONTRIBUTORS.md).
+[contributing guidelines](https://github.com/charliermarsh/ruff/blob/main/CONTRIBUTING.md).
--- a/examples/generate_rules_table.rs
+++ b/examples/generate_rules_table.rs
@@ -1,19 +1,27 @@
 /// Generate a Markdown-compatible table of supported lint rules.
-use ruff::checks::{CheckCode, ALL_CHECK_CODES};
+use ruff::checks::{CheckCode, ALL_CHECK_CODES, DEFAULT_CHECK_CODES};

 fn main() {
    let mut check_codes: Vec<CheckCode> = ALL_CHECK_CODES.to_vec();
    check_codes.sort();

-    println!("| Code | Name | Message |");
-    println!("| ---- | ----- | ------- |");
+    println!("| Code | Name | Message |     |     |");
+    println!("| ---- | ---- | ------- | --- | --- |");
    for check_code in check_codes {
        let check_kind = check_code.kind();
+        let default_token = if DEFAULT_CHECK_CODES.contains(&check_code) {
+            "✅"
+        } else {
+            ""
+        };
+        let fix_token = if check_kind.fixable() { "🛠" } else { "" };
        println!(
-            "| {} | {} | {} |",
+            "| {} | {} | {} | {} | {} |",
            check_kind.code().as_str(),
            check_kind.name(),
-            check_kind.body()
+            check_kind.body(),
+            default_token,
+            fix_token
        );
    }
 }
--- a/examples/generate_source_code.rs
+++ b/examples/generate_source_code.rs
@@ -0,0 +1,26 @@
+use std::path::PathBuf;
+
+use anyhow::Result;
+use clap::Parser;
+use rustpython_parser::parser;
+
+use ruff::code_gen::SourceGenerator;
+use ruff::fs;
+
+#[derive(Debug, Parser)]
+struct Cli {
+    #[arg(required = true)]
+    file: PathBuf,
+}
+
+fn main() -> Result<()> {
+    let cli = Cli::parse();
+
+    let contents = fs::read_file(&cli.file)?;
+    let python_ast = parser::parse_program(&contents, &cli.file.to_string_lossy())?;
+    let mut generator = SourceGenerator::new();
+    generator.unparse_suite(&python_ast)?;
+    println!("{}", generator.generate()?);
+
+    Ok(())
+}
--- a/output.py
+++ b/output.py
@@ -0,0 +1,37 @@
+from collections import Counter
+
+
+def f() -> None:
+    """Docstring goes here."""
+    for x in range(5):
+        print(x)
+    else:
+        print("Nope!")
+
+
+a = {
+    "a",
+    "b",
+    "c",
+    "a",
+    "b",
+    "c",
+    "a",
+    "b",
+    "c",
+    "a",
+    "b",
+    "c",
+    "a",
+    "b",
+    "c",
+    "a",
+    "b",
+    "c",
+    "a",
+    "b",
+    "c",
+}
+
+cls(title=title, before_text=before_text, after_text=after_text, before_description=before_description, after_description=after_description, transform_type=transform_type)
+
--- a/resources/test/fixtures/SPR001.py
+++ b/resources/test/fixtures/SPR001.py
@@ -20,3 +20,46 @@ class Child(Parent):
            Child,
            self,
        ).method()  # wrong
+
+
+class BaseClass:
+    def f(self):
+        print("f")
+
+
+def defined_outside(self):
+    super(MyClass, self).f()  # CANNOT use super()
+
+
+class MyClass(BaseClass):
+    def normal(self):
+        super(MyClass, self).f()  # can use super()
+        super().f()
+
+    def different_argument(self, other):
+        super(MyClass, other).f()  # CANNOT use super()
+
+    def comprehension_scope(self):
+        [super(MyClass, self).f() for x in [1]]  # CANNOT use super()
+
+    def inner_functions(self):
+        def outer_argument():
+            super(MyClass, self).f()  # CANNOT use super()
+
+        def inner_argument(self):
+            super(MyClass, self).f()  # can use super()
+            super().f()
+
+        outer_argument()
+        inner_argument(self)
+
+    def inner_class(self):
+        class InnerClass:
+            super(MyClass, self).f()  # CANNOT use super()
+
+            def method(inner_self):
+                super(MyClass, self).f()  # CANNOT use super()
+
+        InnerClass().method()
+
+    defined_outside = defined_outside
--- a/resources/test/fixtures/U001.py
+++ b/resources/test/fixtures/U001.py
@@ -0,0 +1,13 @@
+class A:
+    __metaclass__ = type
+
+
+class B:
+    __metaclass__ = type
+
+    def __init__(self) -> None:
+        pass
+
+
+class C(metaclass=type):
+    pass
--- a/src/ast/checks.rs
+++ b/src/ast/checks.rs
@@ -3,8 +3,8 @@ use std::collections::BTreeSet;
 use itertools::izip;
 use regex::Regex;
 use rustpython_parser::ast::{
-    Arg, Arguments, Cmpop, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprKind, Keyword,
-    Location, Stmt, StmtKind, Unaryop,
+    Arg, ArgData, Arguments, Cmpop, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprKind,
+    Keyword, Location, Stmt, StmtKind, Unaryop,
 };

 use crate::ast::operations::SourceCodeLocator;
@@ -116,6 +116,26 @@ pub fn check_do_not_assign_lambda(value: &Expr, location: Range) -> Option<Check
    }
 }

+/// Check UselessMetaclassType compliance.
+pub fn check_useless_metaclass_type(
+    targets: &Vec<Expr>,
+    value: &Expr,
+    location: Range,
+) -> Option<Check> {
+    if targets.len() == 1 {
+        if let ExprKind::Name { id, .. } = targets.first().map(|expr| &expr.node).unwrap() {
+            if id == "__metaclass__" {
+                if let ExprKind::Name { id, .. } = &value.node {
+                    if id == "type" {
+                        return Some(Check::new(CheckKind::UselessMetaclassType, location));
+                    }
+                }
+            }
+        }
+    }
+    None
+}
+
 fn is_ambiguous_name(name: &str) -> bool {
    name == "l" || name == "I" || name == "O"
 }
@@ -576,10 +596,7 @@ pub fn check_starred_expressions(
    if check_too_many_expressions {
        if let Some(starred_index) = starred_index {
            if starred_index >= 1 << 8 || elts.len() - starred_index > 1 << 24 {
-                return Some(Check::new(
-                    CheckKind::TooManyExpressionsInStarredAssignment,
-                    location,
-                ));
+                return Some(Check::new(CheckKind::ExpressionsInStarAssignment, location));
            }
        }
    }
@@ -696,29 +713,79 @@ pub fn check_builtin_shadowing(
    }
 }

+/// Returns `true` if a call is an argumented `super` invocation.
+pub fn is_super_call_with_arguments(func: &Expr, args: &Vec<Expr>) -> bool {
+    // Check: is this a `super` call?
+    if let ExprKind::Name { id, .. } = &func.node {
+        id == "super" && !args.is_empty()
+    } else {
+        false
+    }
+}
+
 // flake8-super
 /// Check that `super()` has no args
 pub fn check_super_args(
+    scope: &Scope,
+    parents: &[&Stmt],
    expr: &Expr,
    func: &Expr,
    args: &Vec<Expr>,
-    locator: &mut SourceCodeLocator,
-    autofix: &fixer::Mode,
 ) -> Option<Check> {
-    if let ExprKind::Name { id, .. } = &func.node {
-        if id == "super" && !args.is_empty() {
-            let mut check = Check::new(
-                CheckKind::SuperCallWithParameters,
-                Range::from_located(expr),
-            );
-            if matches!(autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
-                if let Some(fix) = fixes::remove_super_arguments(locator, expr) {
-                    check.amend(fix);
+    if !is_super_call_with_arguments(func, args) {
+        return None;
+    }
+
+    // Check: are we in a Function scope?
+    if !matches!(scope.kind, ScopeKind::Function { .. }) {
+        return None;
+    }
+
+    let mut parents = parents.iter().rev();
+
+    // For a `super` invocation to be unnecessary, the first argument needs to match the enclosing
+    // class, and the second argument needs to match the first argument to the enclosing function.
+    if let [first_arg, second_arg] = args.as_slice() {
+        // Find the enclosing function definition (if any).
+        if let Some(StmtKind::FunctionDef {
+            args: parent_args, ..
+        }) = parents
+            .find(|stmt| matches!(stmt.node, StmtKind::FunctionDef { .. }))
+            .map(|stmt| &stmt.node)
+        {
+            // Extract the name of the first argument to the enclosing function.
+            if let Some(ArgData {
+                arg: parent_arg, ..
+            }) = parent_args.args.first().map(|expr| &expr.node)
+            {
+                // Find the enclosing class definition (if any).
+                if let Some(StmtKind::ClassDef {
+                    name: parent_name, ..
+                }) = parents
+                    .find(|stmt| matches!(stmt.node, StmtKind::ClassDef { .. }))
+                    .map(|stmt| &stmt.node)
+                {
+                    if let (
+                        ExprKind::Name {
+                            id: first_arg_id, ..
+                        },
+                        ExprKind::Name {
+                            id: second_arg_id, ..
+                        },
+                    ) = (&first_arg.node, &second_arg.node)
+                    {
+                        if first_arg_id == parent_name && second_arg_id == parent_arg {
+                            return Some(Check::new(
+                                CheckKind::SuperCallWithParameters,
+                                Range::from_located(expr),
+                            ));
+                        }
+                    }
                }
            }
-            return Some(check);
        }
    }
+
    None
 }

--- a/src/check_ast.rs
+++ b/src/check_ast.rs
@@ -19,7 +19,6 @@ use crate::ast::types::{
 };
 use crate::ast::visitor::{walk_excepthandler, Visitor};
 use crate::ast::{checks, operations, visitor};
-use crate::autofix::fixes::remove_stmt;
 use crate::autofix::{fixer, fixes};
 use crate::checks::{Check, CheckCode, CheckKind};
 use crate::python::builtins::{BUILTINS, MAGIC_GLOBALS};
@@ -235,7 +234,7 @@ where
                    }
                }

-                if self.settings.select.contains(&CheckCode::E741) {
+                if self.settings.enabled.contains(&CheckCode::E741) {
                    let location = self.locate_check(Range::from_located(stmt));
                    self.checks.extend(
                        names.iter().filter_map(|name| {
@@ -245,7 +244,7 @@ where
                }
            }
            StmtKind::Break => {
-                if self.settings.select.contains(&CheckCode::F701) {
+                if self.settings.enabled.contains(&CheckCode::F701) {
                    if let Some(check) = checks::check_break_outside_loop(
                        stmt,
                        &self.parents,
@@ -257,7 +256,7 @@ where
                }
            }
            StmtKind::Continue => {
-                if self.settings.select.contains(&CheckCode::F702) {
+                if self.settings.enabled.contains(&CheckCode::F702) {
                    if let Some(check) = checks::check_continue_outside_loop(
                        stmt,
                        &self.parents,
@@ -282,7 +281,7 @@ where
                args,
                ..
            } => {
-                if self.settings.select.contains(&CheckCode::E743) {
+                if self.settings.enabled.contains(&CheckCode::E743) {
                    if let Some(check) = checks::check_ambiguous_function_name(
                        name,
                        self.locate_check(Range::from_located(stmt)),
@@ -343,7 +342,7 @@ where
            StmtKind::Return { .. } => {
                if self
                    .settings
-                    .select
+                    .enabled
                    .contains(CheckKind::ReturnOutsideFunction.code())
                {
                    if let Some(scope_index) = self.scope_stack.last().cloned() {
@@ -366,7 +365,7 @@ where
                decorator_list,
                ..
            } => {
-                if self.settings.select.contains(&CheckCode::R001) {
+                if self.settings.enabled.contains(&CheckCode::R001) {
                    let scope =
                        &self.scopes[*(self.scope_stack.last().expect("No current scope found."))];
                    if let Some(check) = checks::check_useless_object_inheritance(
@@ -382,7 +381,7 @@ where
                    }
                }

-                if self.settings.select.contains(&CheckCode::E742) {
+                if self.settings.enabled.contains(&CheckCode::E742) {
                    if let Some(check) = checks::check_ambiguous_class_name(
                        name,
                        self.locate_check(Range::from_located(stmt)),
@@ -411,7 +410,7 @@ where
            StmtKind::Import { names } => {
                if self
                    .settings
-                    .select
+                    .enabled
                    .contains(CheckKind::ModuleImportNotAtTopOfFile.code())
                    && self.seen_non_import
                    && stmt.location.column() == 1
@@ -471,7 +470,7 @@ where
            } => {
                if self
                    .settings
-                    .select
+                    .enabled
                    .contains(CheckKind::ModuleImportNotAtTopOfFile.code())
                    && self.seen_non_import
                    && stmt.location.column() == 1
@@ -509,7 +508,7 @@ where
                            self.annotations_future_enabled = true;
                        }

-                        if self.settings.select.contains(&CheckCode::F407)
+                        if self.settings.enabled.contains(&CheckCode::F407)
                            && !ALL_FEATURE_NAMES.contains(&alias.node.name.deref())
                        {
                            self.checks.push(Check::new(
@@ -518,7 +517,7 @@ where
                            ));
                        }

-                        if self.settings.select.contains(&CheckCode::F404) && !self.futures_allowed
+                        if self.settings.enabled.contains(&CheckCode::F404) && !self.futures_allowed
                        {
                            self.checks.push(Check::new(
                                CheckKind::LateFutureImport,
@@ -541,7 +540,7 @@ where
                            },
                        );

-                        if self.settings.select.contains(&CheckCode::F406) {
+                        if self.settings.enabled.contains(&CheckCode::F406) {
                            let scope = &self.scopes
                                [*(self.scope_stack.last().expect("No current scope found."))];
                            if !matches!(scope.kind, ScopeKind::Module) {
@@ -552,7 +551,7 @@ where
                            }
                        }

-                        if self.settings.select.contains(&CheckCode::F403) {
+                        if self.settings.enabled.contains(&CheckCode::F403) {
                            self.checks.push(Check::new(
                                CheckKind::ImportStarUsed(module_name.to_string()),
                                self.locate_check(Range::from_located(stmt)),
@@ -585,7 +584,7 @@ where
                }
            }
            StmtKind::Raise { exc, .. } => {
-                if self.settings.select.contains(&CheckCode::F901) {
+                if self.settings.enabled.contains(&CheckCode::F901) {
                    if let Some(expr) = exc {
                        if let Some(check) = checks::check_raise_not_implemented(expr) {
                            self.checks.push(check);
@@ -597,7 +596,7 @@ where
                self.handle_node_load(target);
            }
            StmtKind::If { test, .. } => {
-                if self.settings.select.contains(&CheckCode::F634) {
+                if self.settings.enabled.contains(&CheckCode::F634) {
                    if let Some(check) =
                        checks::check_if_tuple(test, self.locate_check(Range::from_located(stmt)))
                    {
@@ -606,7 +605,11 @@ where
                }
            }
            StmtKind::Assert { test, .. } => {
-                if self.settings.select.contains(CheckKind::AssertTuple.code()) {
+                if self
+                    .settings
+                    .enabled
+                    .contains(CheckKind::AssertTuple.code())
+                {
                    if let Some(check) = checks::check_assert_tuple(
                        test,
                        self.locate_check(Range::from_located(stmt)),
@@ -616,14 +619,14 @@ where
                }
            }
            StmtKind::Try { handlers, .. } => {
-                if self.settings.select.contains(&CheckCode::F707) {
+                if self.settings.enabled.contains(&CheckCode::F707) {
                    if let Some(check) = checks::check_default_except_not_last(handlers) {
                        self.checks.push(check);
                    }
                }
            }
-            StmtKind::Assign { value, .. } => {
-                if self.settings.select.contains(&CheckCode::E731) {
+            StmtKind::Assign { targets, value, .. } => {
+                if self.settings.enabled.contains(&CheckCode::E731) {
                    if let Some(check) = checks::check_do_not_assign_lambda(
                        value,
                        self.locate_check(Range::from_located(stmt)),
@@ -631,9 +634,40 @@ where
                        self.checks.push(check);
                    }
                }
+                if self.settings.enabled.contains(&CheckCode::U001) {
+                    if let Some(mut check) = checks::check_useless_metaclass_type(
+                        targets,
+                        value,
+                        self.locate_check(Range::from_located(stmt)),
+                    ) {
+                        if matches!(self.autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
+                            let context = self.binding_context();
+                            let deleted: Vec<&Stmt> = self
+                                .deletions
+                                .iter()
+                                .map(|index| self.parents[*index])
+                                .collect();
+
+                            match fixes::remove_stmt(
+                                self.parents[context.defined_by],
+                                context.defined_in.map(|index| self.parents[index]),
+                                &deleted,
+                            ) {
+                                Ok(fix) => {
+                                    if fix.content.is_empty() || fix.content == "pass" {
+                                        self.deletions.insert(context.defined_by);
+                                    }
+                                    check.amend(fix)
+                                }
+                                Err(e) => error!("Failed to fix unused imports: {}", e),
+                            }
+                        }
+                        self.checks.push(check);
+                    }
+                }
            }
            StmtKind::AnnAssign { value, .. } => {
-                if self.settings.select.contains(&CheckCode::E731) {
+                if self.settings.enabled.contains(&CheckCode::E731) {
                    if let Some(value) = value {
                        if let Some(check) = checks::check_do_not_assign_lambda(
                            value,
@@ -713,9 +747,9 @@ where
            ExprKind::Tuple { elts, ctx } | ExprKind::List { elts, ctx } => {
                if matches!(ctx, ExprContext::Store) {
                    let check_too_many_expressions =
-                        self.settings.select.contains(&CheckCode::F621);
+                        self.settings.enabled.contains(&CheckCode::F621);
                    let check_two_starred_expressions =
-                        self.settings.select.contains(&CheckCode::F622);
+                        self.settings.enabled.contains(&CheckCode::F622);
                    if let Some(check) = checks::check_starred_expressions(
                        elts,
                        check_too_many_expressions,
@@ -729,7 +763,7 @@ where
            ExprKind::Name { id, ctx } => match ctx {
                ExprContext::Load => self.handle_node_load(expr),
                ExprContext::Store => {
-                    if self.settings.select.contains(&CheckCode::E741) {
+                    if self.settings.enabled.contains(&CheckCode::E741) {
                        if let Some(check) = checks::check_ambiguous_variable_name(
                            id,
                            self.locate_check(Range::from_located(expr)),
@@ -747,24 +781,42 @@ where
                ExprContext::Del => self.handle_node_delete(expr),
            },
            ExprKind::Call { func, args, .. } => {
-                if self.settings.select.contains(&CheckCode::R002) {
+                if self.settings.enabled.contains(&CheckCode::R002) {
                    if let Some(check) = checks::check_assert_equals(func, self.autofix) {
                        self.checks.push(check)
                    }
                }

                // flake8-super
-                if self.settings.select.contains(&CheckCode::SPR001) {
-                    if let Some(check) =
-                        checks::check_super_args(expr, func, args, &mut self.locator, self.autofix)
-                    {
-                        self.checks.push(check)
+                if self.settings.enabled.contains(&CheckCode::SPR001) {
+                    // Only bother going through the super check at all if we're in a `super` call.
+                    // (We check this in `check_super_args` too, so this is just an optimization.)
+                    if checks::is_super_call_with_arguments(func, args) {
+                        let scope = &mut self.scopes
+                            [*(self.scope_stack.last().expect("No current scope found."))];
+                        let parents: Vec<&Stmt> = self
+                            .parent_stack
+                            .iter()
+                            .map(|index| self.parents[*index])
+                            .collect();
+                        if let Some(mut check) =
+                            checks::check_super_args(scope, &parents, expr, func, args)
+                        {
+                            if matches!(self.autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
+                                if let Some(fix) =
+                                    fixes::remove_super_arguments(&mut self.locator, expr)
+                                {
+                                    check.amend(fix);
+                                }
+                            }
+                            self.checks.push(check)
+                        }
                    }
                }

                // flake8-print
-                if self.settings.select.contains(&CheckCode::T201)
-                    || self.settings.select.contains(&CheckCode::T203)
+                if self.settings.enabled.contains(&CheckCode::T201)
+                    || self.settings.enabled.contains(&CheckCode::T203)
                {
                    if let Some(mut check) = checks::check_print_call(expr, func) {
                        if matches!(self.autofix, fixer::Mode::Generate | fixer::Mode::Apply) {
@@ -779,7 +831,7 @@ where
                                    .map(|index| self.parents[*index])
                                    .collect();

-                                match remove_stmt(
+                                match fixes::remove_stmt(
                                    self.parents[context.defined_by],
                                    context.defined_in.map(|index| self.parents[index]),
                                    &deleted,
@@ -815,8 +867,8 @@ where
                }
            }
            ExprKind::Dict { keys, .. } => {
-                let check_repeated_literals = self.settings.select.contains(&CheckCode::F601);
-                let check_repeated_variables = self.settings.select.contains(&CheckCode::F602);
+                let check_repeated_literals = self.settings.enabled.contains(&CheckCode::F601);
+                let check_repeated_variables = self.settings.enabled.contains(&CheckCode::F602);
                if check_repeated_literals || check_repeated_variables {
                    self.checks.extend(checks::check_repeated_keys(
                        keys,
@@ -831,7 +883,7 @@ where
                    &self.scopes[*(self.scope_stack.last().expect("No current scope found."))];
                if self
                    .settings
-                    .select
+                    .enabled
                    .contains(CheckKind::YieldOutsideFunction.code())
                    && matches!(scope.kind, ScopeKind::Class | ScopeKind::Module)
                {
@@ -845,7 +897,7 @@ where
                if self.in_f_string.is_none()
                    && self
                        .settings
-                        .select
+                        .enabled
                        .contains(CheckKind::FStringMissingPlaceholders.code())
                    && !values
                        .iter()
@@ -863,7 +915,7 @@ where
                op: Operator::RShift,
                ..
            } => {
-                if self.settings.select.contains(&CheckCode::F633) {
+                if self.settings.enabled.contains(&CheckCode::F633) {
                    if let ExprKind::Name { id, .. } = &left.node {
                        if id == "print" {
                            let scope = &self.scopes
@@ -883,8 +935,8 @@ where
                }
            }
            ExprKind::UnaryOp { op, operand } => {
-                let check_not_in = self.settings.select.contains(&CheckCode::E713);
-                let check_not_is = self.settings.select.contains(&CheckCode::E714);
+                let check_not_in = self.settings.enabled.contains(&CheckCode::E713);
+                let check_not_is = self.settings.enabled.contains(&CheckCode::E714);
                if check_not_in || check_not_is {
                    self.checks.extend(checks::check_not_tests(
                        op,
@@ -900,8 +952,8 @@ where
                ops,
                comparators,
            } => {
-                let check_none_comparisons = self.settings.select.contains(&CheckCode::E711);
-                let check_true_false_comparisons = self.settings.select.contains(&CheckCode::E712);
+                let check_none_comparisons = self.settings.enabled.contains(&CheckCode::E711);
+                let check_true_false_comparisons = self.settings.enabled.contains(&CheckCode::E712);
                if check_none_comparisons || check_true_false_comparisons {
                    self.checks.extend(checks::check_literal_comparisons(
                        left,
@@ -913,7 +965,7 @@ where
                    ));
                }

-                if self.settings.select.contains(&CheckCode::F632) {
+                if self.settings.enabled.contains(&CheckCode::F632) {
                    self.checks.extend(checks::check_is_literal(
                        left,
                        ops,
@@ -922,7 +974,7 @@ where
                    ));
                }

-                if self.settings.select.contains(&CheckCode::E721) {
+                if self.settings.enabled.contains(&CheckCode::E721) {
                    self.checks.extend(checks::check_type_comparison(
                        ops,
                        comparators,
@@ -1116,7 +1168,7 @@ where
    fn visit_excepthandler(&mut self, excepthandler: &'b Excepthandler) {
        match &excepthandler.node {
            ExcepthandlerKind::ExceptHandler { type_, name, .. } => {
-                if self.settings.select.contains(&CheckCode::E722) && type_.is_none() {
+                if self.settings.enabled.contains(&CheckCode::E722) && type_.is_none() {
                    self.checks.push(Check::new(
                        CheckKind::DoNotUseBareExcept,
                        Range::from_located(excepthandler),
@@ -1124,7 +1176,7 @@ where
                }
                match name {
                    Some(name) => {
-                        if self.settings.select.contains(&CheckCode::E741) {
+                        if self.settings.enabled.contains(&CheckCode::E741) {
                            if let Some(check) = checks::check_ambiguous_variable_name(
                                name,
                                self.locate_check(Range::from_located(excepthandler)),
@@ -1179,7 +1231,7 @@ where
                        let scope = &mut self.scopes
                            [*(self.scope_stack.last().expect("No current scope found."))];
                        if let Some(binding) = &scope.values.remove(name) {
-                            if self.settings.select.contains(&CheckCode::F841)
+                            if self.settings.enabled.contains(&CheckCode::F841)
                                && binding.used.is_none()
                            {
                                self.checks.push(Check::new(
@@ -1200,7 +1252,7 @@ where
    }

    fn visit_arguments(&mut self, arguments: &'b Arguments) {
-        if self.settings.select.contains(&CheckCode::F831) {
+        if self.settings.enabled.contains(&CheckCode::F831) {
            self.checks
                .extend(checks::check_duplicate_arguments(arguments));
        }
@@ -1234,7 +1286,7 @@ where
            },
        );

-        if self.settings.select.contains(&CheckCode::E741) {
+        if self.settings.enabled.contains(&CheckCode::E741) {
            if let Some(check) = checks::check_ambiguous_variable_name(
                &arg.node.arg,
                self.locate_check(Range::from_located(arg)),
@@ -1320,7 +1372,7 @@ impl<'a> Checker<'a> {
        let binding = match scope.values.get(&name) {
            None => binding,
            Some(existing) => {
-                if self.settings.select.contains(&CheckCode::F402)
+                if self.settings.enabled.contains(&CheckCode::F402)
                    && matches!(binding.kind, BindingKind::LoopVar)
                    && matches!(
                        existing.kind,
@@ -1374,27 +1426,27 @@ impl<'a> Checker<'a> {
            }

            if import_starred {
-                if self.settings.select.contains(&CheckCode::F405) {
+                if self.settings.enabled.contains(&CheckCode::F405) {
                    let mut from_list = vec![];
                    for scope_index in self.scope_stack.iter().rev() {
                        let scope = &self.scopes[*scope_index];
                        for (name, binding) in scope.values.iter() {
                            if matches!(binding.kind, BindingKind::StarImportation) {
-                                from_list.push(name.as_str());
+                                from_list.push(name.to_string());
                            }
                        }
                    }
                    from_list.sort();

                    self.checks.push(Check::new(
-                        CheckKind::ImportStarUsage(id.clone(), from_list.join(", ")),
+                        CheckKind::ImportStarUsage(id.clone(), from_list),
                        self.locate_check(Range::from_located(expr)),
                    ));
                }
                return;
            }

-            if self.settings.select.contains(&CheckCode::F821) {
+            if self.settings.enabled.contains(&CheckCode::F821) {
                // Allow __path__.
                if self.path.ends_with("__init__.py") && id == "__path__" {
                    return;
@@ -1412,7 +1464,7 @@ impl<'a> Checker<'a> {
            let current =
                &self.scopes[*(self.scope_stack.last().expect("No current scope found."))];

-            if self.settings.select.contains(&CheckCode::F823)
+            if self.settings.enabled.contains(&CheckCode::F823)
                && matches!(current.kind, ScopeKind::Function(_))
                && !current.values.contains_key(id)
            {
@@ -1512,7 +1564,7 @@ impl<'a> Checker<'a> {

            let scope =
                &mut self.scopes[*(self.scope_stack.last().expect("No current scope found."))];
-            if scope.values.remove(id).is_none() && self.settings.select.contains(&CheckCode::F821)
+            if scope.values.remove(id).is_none() && self.settings.enabled.contains(&CheckCode::F821)
            {
                self.checks.push(Check::new(
                    CheckKind::UndefinedName(id.clone()),
@@ -1538,7 +1590,7 @@ impl<'a> Checker<'a> {
            if let Ok(mut expr) = parser::parse_expression(expression, "<filename>") {
                relocate_expr(&mut expr, location);
                allocator.push(expr);
-            } else if self.settings.select.contains(&CheckCode::F722) {
+            } else if self.settings.enabled.contains(&CheckCode::F722) {
                self.checks.push(Check::new(
                    CheckKind::ForwardAnnotationSyntaxError(expression.to_string()),
                    self.locate_check(location),
@@ -1593,7 +1645,7 @@ impl<'a> Checker<'a> {
    }

    fn check_deferred_assignments(&mut self) {
-        if self.settings.select.contains(&CheckCode::F841) {
+        if self.settings.enabled.contains(&CheckCode::F841) {
            while let Some(index) = self.deferred_assignments.pop() {
                self.checks.extend(checks::check_unused_variables(
                    &self.scopes[index],
@@ -1605,9 +1657,9 @@ impl<'a> Checker<'a> {
    }

    fn check_dead_scopes(&mut self) {
-        if !self.settings.select.contains(&CheckCode::F401)
-            && !self.settings.select.contains(&CheckCode::F405)
-            && !self.settings.select.contains(&CheckCode::F822)
+        if !self.settings.enabled.contains(&CheckCode::F401)
+            && !self.settings.enabled.contains(&CheckCode::F405)
+            && !self.settings.enabled.contains(&CheckCode::F822)
        {
            return;
        }
@@ -1621,7 +1673,7 @@ impl<'a> Checker<'a> {
                _ => None,
            });

-            if self.settings.select.contains(&CheckCode::F822)
+            if self.settings.enabled.contains(&CheckCode::F822)
                && !scope.import_starred
                && !self.path.ends_with("__init__.py")
            {
@@ -1639,13 +1691,13 @@ impl<'a> Checker<'a> {
                }
            }

-            if self.settings.select.contains(&CheckCode::F405) && scope.import_starred {
+            if self.settings.enabled.contains(&CheckCode::F405) && scope.import_starred {
                if let Some(all_binding) = all_binding {
                    if let Some(names) = all_names {
                        let mut from_list = vec![];
                        for (name, binding) in scope.values.iter() {
                            if matches!(binding.kind, BindingKind::StarImportation) {
-                                from_list.push(name.as_str());
+                                from_list.push(name.to_string());
                            }
                        }
                        from_list.sort();
@@ -1653,7 +1705,7 @@ impl<'a> Checker<'a> {
                        for name in names {
                            if !scope.values.contains_key(name) {
                                self.checks.push(Check::new(
-                                    CheckKind::ImportStarUsage(name.clone(), from_list.join(", ")),
+                                    CheckKind::ImportStarUsage(name.clone(), from_list.clone()),
                                    self.locate_check(all_binding.range),
                                ));
                            }
@@ -1662,7 +1714,7 @@ impl<'a> Checker<'a> {
                }
            }

-            if self.settings.select.contains(&CheckCode::F401) {
+            if self.settings.enabled.contains(&CheckCode::F401) {
                // Collect all unused imports by location. (Multiple unused imports at the same
                // location indicates an `import from`.)
                let mut unused: BTreeMap<(ImportKind, usize, Option<usize>), Vec<&str>> =
@@ -1745,7 +1797,7 @@ impl<'a> Checker<'a> {

        // flake8-builtins
        if is_attribute && matches!(scope.kind, ScopeKind::Class) {
-            if self.settings.select.contains(&CheckCode::A003) {
+            if self.settings.enabled.contains(&CheckCode::A003) {
                if let Some(check) = checks::check_builtin_shadowing(
                    name,
                    self.locate_check(location),
@@ -1754,7 +1806,7 @@ impl<'a> Checker<'a> {
                    self.checks.push(check);
                }
            }
-        } else if self.settings.select.contains(&CheckCode::A001) {
+        } else if self.settings.enabled.contains(&CheckCode::A001) {
            if let Some(check) = checks::check_builtin_shadowing(
                name,
                self.locate_check(location),
@@ -1766,7 +1818,7 @@ impl<'a> Checker<'a> {
    }

    fn check_builtin_arg_shadowing(&mut self, name: &str, location: Range) {
-        if self.settings.select.contains(&CheckCode::A002) {
+        if self.settings.enabled.contains(&CheckCode::A002) {
            if let Some(check) = checks::check_builtin_shadowing(
                name,
                self.locate_check(location),
--- a/src/check_lines.rs
+++ b/src/check_lines.rs
@@ -32,8 +32,8 @@ pub fn check_lines(
    settings: &Settings,
    autofix: &fixer::Mode,
 ) {
-    let enforce_line_too_long = settings.select.contains(&CheckCode::E501);
-    let enforce_noqa = settings.select.contains(&CheckCode::M001);
+    let enforce_line_too_long = settings.enabled.contains(&CheckCode::E501);
+    let enforce_noqa = settings.enabled.contains(&CheckCode::M001);

    let mut noqa_directives: BTreeMap<usize, (Directive, Vec<&str>)> = BTreeMap::new();

--- a/src/checks.rs
+++ b/src/checks.rs
@@ -2,6 +2,7 @@ use std::str::FromStr;

 use crate::ast::types::Range;
 use anyhow::Result;
+use itertools::Itertools;
 use rustpython_parser::ast::Location;
 use serde::{Deserialize, Serialize};

@@ -52,7 +53,7 @@ pub const DEFAULT_CHECK_CODES: [CheckCode; 42] = [
    CheckCode::F901,
 ];

-pub const ALL_CHECK_CODES: [CheckCode; 51] = [
+pub const ALL_CHECK_CODES: [CheckCode; 52] = [
    // pycodestyle
    CheckCode::E402,
    CheckCode::E501,
@@ -106,11 +107,13 @@ pub const ALL_CHECK_CODES: [CheckCode; 51] = [
    // flake8-print
    CheckCode::T201,
    CheckCode::T203,
-    // Meta
-    CheckCode::M001,
+    // pyupgrade
+    CheckCode::U001,
    // Refactor
    CheckCode::R001,
    CheckCode::R002,
+    // Meta
+    CheckCode::M001,
 ];

 #[derive(Debug, PartialEq, Eq, Clone, Serialize, Deserialize, Hash, PartialOrd, Ord)]
@@ -168,6 +171,8 @@ pub enum CheckCode {
    // flake8-print
    T201,
    T203,
+    // pyupgrade
+    U001,
    // Refactor
    R001,
    R002,
@@ -230,6 +235,8 @@ impl FromStr for CheckCode {
            "A003" => Ok(CheckCode::A003),
            // flake8-super
            "SPR001" => Ok(CheckCode::SPR001),
+            // pyupgrade
+            "U001" => Ok(CheckCode::U001),
            // Refactor
            "R001" => Ok(CheckCode::R001),
            "R002" => Ok(CheckCode::R002),
@@ -296,6 +303,8 @@ impl CheckCode {
            // flake8-print
            CheckCode::T201 => "T201",
            CheckCode::T203 => "T203",
+            // pyupgrade
+            CheckCode::U001 => "U001",
            // Refactor
            CheckCode::R001 => "R001",
            CheckCode::R002 => "R002",
@@ -329,20 +338,22 @@ impl CheckCode {
            CheckCode::E741 => CheckKind::AmbiguousVariableName("...".to_string()),
            CheckCode::E742 => CheckKind::AmbiguousClassName("...".to_string()),
            CheckCode::E743 => CheckKind::AmbiguousFunctionName("...".to_string()),
-            CheckCode::E902 => CheckKind::IOError("...".to_string()),
-            CheckCode::E999 => CheckKind::SyntaxError("...".to_string()),
+            CheckCode::E902 => CheckKind::IOError("IOError: `...`".to_string()),
+            CheckCode::E999 => CheckKind::SyntaxError("`...`".to_string()),
            // pyflakes
            CheckCode::F401 => CheckKind::UnusedImport("...".to_string()),
            CheckCode::F402 => CheckKind::ImportShadowedByLoopVar("...".to_string(), 1),
            CheckCode::F403 => CheckKind::ImportStarUsed("...".to_string()),
            CheckCode::F404 => CheckKind::LateFutureImport,
-            CheckCode::F405 => CheckKind::ImportStarUsage("...".to_string(), "...".to_string()),
+            CheckCode::F405 => {
+                CheckKind::ImportStarUsage("...".to_string(), vec!["...".to_string()])
+            }
            CheckCode::F406 => CheckKind::ImportStarNotPermitted("...".to_string()),
            CheckCode::F407 => CheckKind::FutureFeatureNotDefined("...".to_string()),
            CheckCode::F541 => CheckKind::FStringMissingPlaceholders,
            CheckCode::F601 => CheckKind::MultiValueRepeatedKeyLiteral,
            CheckCode::F602 => CheckKind::MultiValueRepeatedKeyVariable("...".to_string()),
-            CheckCode::F621 => CheckKind::TooManyExpressionsInStarredAssignment,
+            CheckCode::F621 => CheckKind::ExpressionsInStarAssignment,
            CheckCode::F622 => CheckKind::TwoStarredExpressions,
            CheckCode::F631 => CheckKind::AssertTuple,
            CheckCode::F632 => CheckKind::IsLiteral,
@@ -369,6 +380,8 @@ impl CheckCode {
            // flake8-print
            CheckCode::T201 => CheckKind::PrintFound,
            CheckCode::T203 => CheckKind::PPrintFound,
+            // pyupgrade
+            CheckCode::U001 => CheckKind::UselessMetaclassType,
            // Refactor
            CheckCode::R001 => CheckKind::UselessObjectInheritance("...".to_string()),
            CheckCode::R002 => CheckKind::NoAssertEquals,
@@ -393,7 +406,6 @@ pub enum RejectedCmpop {

 #[derive(Debug, PartialEq, Eq, Serialize, Deserialize)]
 pub enum CheckKind {
-    UnusedNOQA(Option<String>),
    AmbiguousClassName(String),
    AmbiguousFunctionName(String),
    AmbiguousVariableName(String),
@@ -404,14 +416,15 @@ pub enum CheckKind {
    DoNotAssignLambda,
    DoNotUseBareExcept,
    DuplicateArgumentName,
-    ForwardAnnotationSyntaxError(String),
+    ExpressionsInStarAssignment,
    FStringMissingPlaceholders,
+    ForwardAnnotationSyntaxError(String),
    FutureFeatureNotDefined(String),
    IOError(String),
    IfTuple,
    ImportShadowedByLoopVar(String, usize),
    ImportStarNotPermitted(String),
-    ImportStarUsage(String, String),
+    ImportStarUsage(String, Vec<String>),
    ImportStarUsed(String),
    InvalidPrintSyntax,
    IsLiteral,
@@ -427,7 +440,6 @@ pub enum CheckKind {
    RaiseNotImplemented,
    ReturnOutsideFunction,
    SyntaxError(String),
-    TooManyExpressionsInStarredAssignment,
    TrueFalseComparison(bool, RejectedCmpop),
    TwoStarredExpressions,
    TypeComparison,
@@ -435,7 +447,9 @@ pub enum CheckKind {
    UndefinedLocal(String),
    UndefinedName(String),
    UnusedImport(String),
+    UnusedNOQA(Option<String>),
    UnusedVariable(String),
+    UselessMetaclassType,
    UselessObjectInheritance(String),
    YieldOutsideFunction,
    // flake8-builtin
@@ -463,6 +477,7 @@ impl CheckKind {
            CheckKind::DoNotAssignLambda => "DoNotAssignLambda",
            CheckKind::DoNotUseBareExcept => "DoNotUseBareExcept",
            CheckKind::DuplicateArgumentName => "DuplicateArgumentName",
+            CheckKind::ExpressionsInStarAssignment => "ExpressionsInStarAssignment",
            CheckKind::FStringMissingPlaceholders => "FStringMissingPlaceholders",
            CheckKind::ForwardAnnotationSyntaxError(_) => "ForwardAnnotationSyntaxError",
            CheckKind::FutureFeatureNotDefined(_) => "FutureFeatureNotDefined",
@@ -479,16 +494,12 @@ impl CheckKind {
            CheckKind::ModuleImportNotAtTopOfFile => "ModuleImportNotAtTopOfFile",
            CheckKind::MultiValueRepeatedKeyLiteral => "MultiValueRepeatedKeyLiteral",
            CheckKind::MultiValueRepeatedKeyVariable(_) => "MultiValueRepeatedKeyVariable",
-            CheckKind::NoAssertEquals => "NoAssertEquals",
            CheckKind::NoneComparison(_) => "NoneComparison",
            CheckKind::NotInTest => "NotInTest",
            CheckKind::NotIsTest => "NotIsTest",
            CheckKind::RaiseNotImplemented => "RaiseNotImplemented",
            CheckKind::ReturnOutsideFunction => "ReturnOutsideFunction",
            CheckKind::SyntaxError(_) => "SyntaxError",
-            CheckKind::TooManyExpressionsInStarredAssignment => {
-                "TooManyExpressionsInStarredAssignment"
-            }
            CheckKind::TrueFalseComparison(_, _) => "TrueFalseComparison",
            CheckKind::TwoStarredExpressions => "TwoStarredExpressions",
            CheckKind::TypeComparison => "TypeComparison",
@@ -497,9 +508,7 @@ impl CheckKind {
            CheckKind::UndefinedName(_) => "UndefinedName",
            CheckKind::UnusedImport(_) => "UnusedImport",
            CheckKind::UnusedVariable(_) => "UnusedVariable",
-            CheckKind::UselessObjectInheritance(_) => "UselessObjectInheritance",
            CheckKind::YieldOutsideFunction => "YieldOutsideFunction",
-            CheckKind::UnusedNOQA(_) => "UnusedNOQA",
            // flake8-builtins
            CheckKind::BuiltinVariableShadowing(_) => "BuiltinVariableShadowing",
            CheckKind::BuiltinArgumentShadowing(_) => "BuiltinArgumentShadowing",
@@ -509,6 +518,13 @@ impl CheckKind {
            // flake8-print
            CheckKind::PrintFound => "PrintFound",
            CheckKind::PPrintFound => "PPrintFound",
+            // pyupgrade
+            CheckKind::UselessMetaclassType => "UselessMetaclassType",
+            // Refactor
+            CheckKind::NoAssertEquals => "NoAssertEquals",
+            CheckKind::UselessObjectInheritance(_) => "UselessObjectInheritance",
+            // Meta
+            CheckKind::UnusedNOQA(_) => "UnusedNOQA",
        }
    }

@@ -541,14 +557,13 @@ impl CheckKind {
            CheckKind::ModuleImportNotAtTopOfFile => &CheckCode::E402,
            CheckKind::MultiValueRepeatedKeyLiteral => &CheckCode::F601,
            CheckKind::MultiValueRepeatedKeyVariable(_) => &CheckCode::F602,
-            CheckKind::NoAssertEquals => &CheckCode::R002,
            CheckKind::NoneComparison(_) => &CheckCode::E711,
            CheckKind::NotInTest => &CheckCode::E713,
            CheckKind::NotIsTest => &CheckCode::E714,
            CheckKind::RaiseNotImplemented => &CheckCode::F901,
            CheckKind::ReturnOutsideFunction => &CheckCode::F706,
            CheckKind::SyntaxError(_) => &CheckCode::E999,
-            CheckKind::TooManyExpressionsInStarredAssignment => &CheckCode::F621,
+            CheckKind::ExpressionsInStarAssignment => &CheckCode::F621,
            CheckKind::TrueFalseComparison(_, _) => &CheckCode::E712,
            CheckKind::TwoStarredExpressions => &CheckCode::F622,
            CheckKind::TypeComparison => &CheckCode::E721,
@@ -556,9 +571,7 @@ impl CheckKind {
            CheckKind::UndefinedLocal(_) => &CheckCode::F823,
            CheckKind::UndefinedName(_) => &CheckCode::F821,
            CheckKind::UnusedImport(_) => &CheckCode::F401,
-            CheckKind::UnusedNOQA(_) => &CheckCode::M001,
            CheckKind::UnusedVariable(_) => &CheckCode::F841,
-            CheckKind::UselessObjectInheritance(_) => &CheckCode::R001,
            CheckKind::YieldOutsideFunction => &CheckCode::F704,
            // flake8-builtins
            CheckKind::BuiltinVariableShadowing(_) => &CheckCode::A001,
@@ -569,6 +582,13 @@ impl CheckKind {
            // flake8-print
            CheckKind::PrintFound => &CheckCode::T201,
            CheckKind::PPrintFound => &CheckCode::T203,
+            // pyupgrade
+            CheckKind::UselessMetaclassType => &CheckCode::U001,
+            // Refactor
+            CheckKind::NoAssertEquals => &CheckCode::R002,
+            CheckKind::UselessObjectInheritance(_) => &CheckCode::R001,
+            // Meta
+            CheckKind::UnusedNOQA(_) => &CheckCode::M001,
        }
    }

@@ -576,13 +596,13 @@ impl CheckKind {
    pub fn body(&self) -> String {
        match self {
            CheckKind::AmbiguousClassName(name) => {
-                format!("ambiguous class name '{}'", name)
+                format!("Ambiguous class name: `{}`", name)
            }
            CheckKind::AmbiguousFunctionName(name) => {
-                format!("ambiguous function name '{}'", name)
+                format!("Ambiguous function name: `{}`", name)
            }
            CheckKind::AmbiguousVariableName(name) => {
-                format!("ambiguous variable name '{}'", name)
+                format!("Ambiguous variable name: `{}`", name)
            }
            CheckKind::AssertTuple => {
                "Assert test is a non-empty tuple, which is always `True`".to_string()
@@ -590,7 +610,7 @@ impl CheckKind {
            CheckKind::BreakOutsideLoop => "`break` outside loop".to_string(),
            CheckKind::ContinueOutsideLoop => "`continue` not properly in loop".to_string(),
            CheckKind::DefaultExceptNotLast => {
-                "an `except:` block as not the last exception handler".to_string()
+                "An `except:` block as not the last exception handler".to_string()
            }
            CheckKind::DoNotAssignLambda => {
                "Do not assign a lambda expression, use a def".to_string()
@@ -600,19 +620,21 @@ impl CheckKind {
                "Duplicate argument name in function definition".to_string()
            }
            CheckKind::ForwardAnnotationSyntaxError(body) => {
-                format!("syntax error in forward annotation '{body}'")
+                format!("Syntax error in forward annotation: `{body}`")
            }
            CheckKind::FStringMissingPlaceholders => {
                "f-string without any placeholders".to_string()
            }
            CheckKind::FutureFeatureNotDefined(name) => {
-                format!("future feature '{name}' is not defined")
+                format!("Future feature `{name}` is not defined")
            }
            CheckKind::IOError(message) => message.clone(),
            CheckKind::IfTuple => "If test is a tuple, which is always `True`".to_string(),
-            CheckKind::InvalidPrintSyntax => "use of >> is invalid with print function".to_string(),
+            CheckKind::InvalidPrintSyntax => {
+                "Use of `>>` is invalid with `print` function".to_string()
+            }
            CheckKind::ImportShadowedByLoopVar(name, line) => {
-                format!("import '{name}' from line {line} shadowed by loop variable")
+                format!("Import `{name}` from line {line} shadowed by loop variable")
            }
            CheckKind::ImportStarNotPermitted(name) => {
                format!("`from {name} import *` only allowed at module level")
@@ -621,11 +643,15 @@ impl CheckKind {
                format!("`from {name} import *` used; unable to detect undefined names")
            }
            CheckKind::ImportStarUsage(name, sources) => {
-                format!("'{name}' may be undefined, or defined from star imports: {sources}")
+                let sources = sources
+                    .iter()
+                    .map(|source| format!("`{}`", source))
+                    .join(", ");
+                format!("`{name}` may be undefined, or defined from star imports: {sources}")
            }
-            CheckKind::IsLiteral => "use ==/!= to compare constant literals".to_string(),
+            CheckKind::IsLiteral => "Use `==` and `!=` to compare constant literals".to_string(),
            CheckKind::LateFutureImport => {
-                "from __future__ imports must occur at the beginning of the file".to_string()
+                "`from __future__` imports must occur at the beginning of the file".to_string()
            }
            CheckKind::LineTooLong(length, limit) => {
                format!("Line too long ({length} > {limit} characters)")
@@ -639,9 +665,6 @@ impl CheckKind {
            CheckKind::MultiValueRepeatedKeyVariable(name) => {
                format!("Dictionary key `{name}` repeated")
            }
-            CheckKind::NoAssertEquals => {
-                "`assertEquals` is deprecated, use `assertEqual` instead".to_string()
-            }
            CheckKind::NoneComparison(op) => match op {
                RejectedCmpop::Eq => "Comparison to `None` should be `cond is None`".to_string(),
                RejectedCmpop::NotEq => {
@@ -654,11 +677,11 @@ impl CheckKind {
                "`raise NotImplemented` should be `raise NotImplementedError`".to_string()
            }
            CheckKind::ReturnOutsideFunction => {
-                "a `return` statement outside of a function/method".to_string()
+                "`return` statement outside of a function/method".to_string()
            }
            CheckKind::SyntaxError(message) => format!("SyntaxError: {message}"),
-            CheckKind::TooManyExpressionsInStarredAssignment => {
-                "too many expressions in star-unpacking assignment".to_string()
+            CheckKind::ExpressionsInStarAssignment => {
+                "Too many expressions in star-unpacking assignment".to_string()
            }
            CheckKind::TrueFalseComparison(value, op) => match *value {
                true => match op {
@@ -678,8 +701,8 @@ impl CheckKind {
                    }
                },
            },
-            CheckKind::TwoStarredExpressions => "two starred expressions in assignment".to_string(),
-            CheckKind::TypeComparison => "do not compare types, use `isinstance()`".to_string(),
+            CheckKind::TwoStarredExpressions => "Two starred expressions in assignment".to_string(),
+            CheckKind::TypeComparison => "Do not compare types, use `isinstance()`".to_string(),
            CheckKind::UndefinedExport(name) => {
                format!("Undefined name `{name}` in `__all__`")
            }
@@ -693,16 +716,10 @@ impl CheckKind {
            CheckKind::UnusedVariable(name) => {
                format!("Local variable `{name}` is assigned to but never used")
            }
-            CheckKind::UselessObjectInheritance(name) => {
-                format!("Class `{name}` inherits from object")
-            }
            CheckKind::YieldOutsideFunction => {
-                "a `yield` or `yield from` statement outside of a function/method".to_string()
+                "`yield` or `yield from` statement outside of a function/method".to_string()
            }
-            CheckKind::UnusedNOQA(code) => match code {
-                None => "Unused `noqa` directive".to_string(),
-                Some(code) => format!("Unused `noqa` directive for: {code}"),
-            },
+
            // flake8-builtins
            CheckKind::BuiltinVariableShadowing(name) => {
                format!("Variable `{name}` is shadowing a python builtin")
@@ -711,7 +728,7 @@ impl CheckKind {
                format!("Argument `{name}` is shadowing a python builtin")
            }
            CheckKind::BuiltinAttributeShadowing(name) => {
-                format!("class attribute `{name}` is shadowing a python builtin")
+                format!("Class attribute `{name}` is shadowing a python builtin")
            }
            // flake8-super
            CheckKind::SuperCallWithParameters => {
@@ -719,7 +736,21 @@ impl CheckKind {
            }
            // flake8-print
            CheckKind::PrintFound => "`print` found".to_string(),
-            CheckKind::PPrintFound => "`pprint` found`".to_string(),
+            CheckKind::PPrintFound => "`pprint` found".to_string(),
+            // pyupgrade
+            CheckKind::UselessMetaclassType => "`__metaclass__ = type` is implied".to_string(),
+            // Refactor
+            CheckKind::NoAssertEquals => {
+                "`assertEquals` is deprecated, use `assertEqual` instead".to_string()
+            }
+            CheckKind::UselessObjectInheritance(name) => {
+                format!("Class `{name}` inherits from object")
+            }
+            // Meta
+            CheckKind::UnusedNOQA(code) => match code {
+                None => "Unused `noqa` directive".to_string(),
+                Some(code) => format!("Unused `noqa` directive for: {code}"),
+            },
        }
    }

@@ -728,12 +759,13 @@ impl CheckKind {
        matches!(
            self,
            CheckKind::NoAssertEquals
-                | CheckKind::UselessObjectInheritance(_)
-                | CheckKind::UnusedNOQA(_)
+                | CheckKind::PPrintFound
+                | CheckKind::PrintFound
                | CheckKind::SuperCallWithParameters
                | CheckKind::UnusedImport(_)
-                | CheckKind::PrintFound
-                | CheckKind::PPrintFound
+                | CheckKind::UnusedNOQA(_)
+                | CheckKind::UselessMetaclassType
+                | CheckKind::UselessObjectInheritance(_)
        )
    }
 }
--- a/src/code_gen.rs
+++ b/src/code_gen.rs
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -7,7 +7,7 @@ use rustpython_parser::lexer::LexResult;
 use crate::autofix::fixer::Mode;
 use crate::linter::{check_path, tokenize};
 use crate::message::Message;
-use crate::settings::Settings;
+use crate::settings::{RawSettings, Settings};

 mod ast;
 mod autofix;
@@ -15,6 +15,7 @@ pub mod cache;
 pub mod check_ast;
 mod check_lines;
 pub mod checks;
+pub mod code_gen;
 pub mod fs;
 pub mod linter;
 pub mod logging;
@@ -39,7 +40,7 @@ pub fn check(path: &Path, contents: &str) -> Result<Vec<Message>> {
        None => debug!("Unable to find pyproject.toml; using default settings..."),
    };

-    let settings = Settings::from_pyproject(pyproject, project_root)?;
+    let settings = Settings::from_raw(RawSettings::from_pyproject(pyproject, project_root)?);

    // Tokenize once.
    let tokens: Vec<LexResult> = tokenize(contents);
--- a/src/linter.rs
+++ b/src/linter.rs
@@ -1,3 +1,4 @@
+use std::fs::write;
 use std::path::Path;

 use anyhow::Result;
@@ -11,6 +12,7 @@ use crate::autofix::fixer::fix_file;
 use crate::check_ast::check_ast;
 use crate::check_lines::check_lines;
 use crate::checks::{Check, CheckCode, CheckKind, LintSource};
+use crate::code_gen::SourceGenerator;
 use crate::message::Message;
 use crate::noqa::add_noqa;
 use crate::settings::Settings;
@@ -42,7 +44,7 @@ pub(crate) fn check_path(

    // Run the AST-based checks.
    if settings
-        .select
+        .enabled
        .iter()
        .any(|check_code| matches!(check_code.lint_source(), LintSource::AST))
    {
@@ -51,7 +53,7 @@ pub(crate) fn check_path(
                checks.extend(check_ast(&python_ast, contents, settings, autofix, path))
            }
            Err(parse_error) => {
-                if settings.select.contains(&CheckCode::E999) {
+                if settings.enabled.contains(&CheckCode::E999) {
                    checks.push(Check::new(
                        CheckKind::SyntaxError(parse_error.error.to_string()),
                        Range {
@@ -151,6 +153,22 @@ pub fn add_noqa_to_path(path: &Path, settings: &Settings) -> Result<usize> {
    add_noqa(&checks, &contents, &noqa_line_for, path)
 }

+pub fn autoformat_path(path: &Path) -> Result<()> {
+    // Read the file from disk.
+    let contents = fs::read_file(path)?;
+
+    // Tokenize once.
+    let tokens: Vec<LexResult> = tokenize(&contents);
+
+    // Generate the AST.
+    let python_ast = parser::parse_program_tokens(tokens, "<filename>")?;
+    let mut generator: SourceGenerator = Default::default();
+    generator.unparse_suite(&python_ast)?;
+    write(path, generator.generate()?)?;
+
+    Ok(())
+}
+
 #[cfg(test)]
 mod tests {
    use std::path::Path;
@@ -803,4 +821,16 @@ mod tests {
        insta::assert_yaml_snapshot!(checks);
        Ok(())
    }
+
+    #[test]
+    fn u001() -> Result<()> {
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/U001.py"),
+            &settings::Settings::for_rule(CheckCode::U001),
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
 }
--- a/src/main.rs
+++ b/src/main.rs
@@ -26,6 +26,8 @@ use ::ruff::pyproject::{self, StrCheckCodePair};
 use ::ruff::settings::CurrentSettings;
 use ::ruff::settings::{FilePattern, PerFileIgnore, Settings};
 use ::ruff::tell_user;
+use ruff::linter::autoformat_path;
+use ruff::settings::RawSettings;

 const CARGO_PKG_NAME: &str = env!("CARGO_PKG_NAME");
 const CARGO_PKG_VERSION: &str = env!("CARGO_PKG_VERSION");
@@ -87,6 +89,9 @@ struct Cli {
    /// Enable automatic additions of noqa directives to failing lines.
    #[arg(long)]
    add_noqa: bool,
+    /// Enable automatic formatting.
+    #[arg(long)]
+    autoformat: bool,
    /// Regular expression matching the name of dummy variables.
    #[arg(long)]
    dummy_variable_rgx: Option<Regex>,
@@ -116,7 +121,7 @@ fn check_for_updates() {
    }
 }

-fn show_settings(settings: Settings) {
+fn show_settings(settings: RawSettings) {
    println!("{:#?}", CurrentSettings::from_settings(settings));
 }

@@ -165,7 +170,7 @@ fn run_once(
            }
            .unwrap_or_else(|(path, message)| {
                if let Some(path) = path {
-                    if settings.select.contains(&CheckCode::E902) {
+                    if settings.enabled.contains(&CheckCode::E902) {
                        vec![Message {
                            kind: CheckKind::IOError(message),
                            fixed: false,
@@ -222,6 +227,33 @@ fn add_noqa(files: &[PathBuf], settings: &Settings) -> Result<usize> {
    Ok(modifications)
 }

+fn autoformat(files: &[PathBuf], settings: &Settings) -> Result<usize> {
+    // Collect all the files to format.
+    let start = Instant::now();
+    let paths: Vec<DirEntry> = files
+        .iter()
+        .flat_map(|path| iter_python_files(path, &settings.exclude, &settings.extend_exclude))
+        .flatten()
+        .collect();
+    let duration = start.elapsed();
+    debug!("Identified files to lint in: {:?}", duration);
+
+    let start = Instant::now();
+    let modifications = paths
+        .par_iter()
+        .map(|entry| {
+            let path = entry.path();
+            autoformat_path(path)
+        })
+        .flatten()
+        .count();
+
+    let duration = start.elapsed();
+    debug!("Auto-formatted files in: {:?}", duration);
+
+    Ok(modifications)
+}
+
 fn inner_main() -> Result<ExitCode> {
    let cli = Cli::parse();

@@ -256,7 +288,7 @@ fn inner_main() -> Result<ExitCode> {
        .map(|pair| PerFileIgnore::new(pair, &project_root))
        .collect();

-    let mut settings = Settings::from_pyproject(pyproject, project_root)?;
+    let mut settings = RawSettings::from_pyproject(pyproject, project_root)?;
    if !exclude.is_empty() {
        settings.exclude = exclude;
    }
@@ -267,17 +299,16 @@ fn inner_main() -> Result<ExitCode> {
        settings.per_file_ignores = per_file_ignores;
    }
    if !cli.select.is_empty() {
-        settings.clear();
-        settings.select(cli.select);
+        settings.select = cli.select;
    }
    if !cli.extend_select.is_empty() {
-        settings.select(cli.extend_select);
+        settings.extend_select = cli.extend_select;
    }
    if !cli.ignore.is_empty() {
-        settings.ignore(&cli.ignore);
+        settings.ignore = cli.ignore;
    }
    if !cli.extend_ignore.is_empty() {
-        settings.ignore(&cli.extend_ignore);
+        settings.extend_ignore = cli.extend_ignore;
    }
    if let Some(dummy_variable_rgx) = cli.dummy_variable_rgx {
        settings.dummy_variable_rgx = dummy_variable_rgx;
@@ -287,15 +318,18 @@ fn inner_main() -> Result<ExitCode> {
        eprintln!("Error: specify --show-settings or show-files (not both).");
        return Ok(ExitCode::FAILURE);
    }
-    if cli.show_files {
-        show_files(&cli.files, &settings);
-        return Ok(ExitCode::SUCCESS);
-    }
    if cli.show_settings {
        show_settings(settings);
        return Ok(ExitCode::SUCCESS);
    }

+    let settings = Settings::from_raw(settings);
+
+    if cli.show_files {
+        show_files(&cli.files, &settings);
+        return Ok(ExitCode::SUCCESS);
+    }
+
    cache::init()?;

    let mut printer = Printer::new(cli.format, cli.verbose);
@@ -308,6 +342,10 @@ fn inner_main() -> Result<ExitCode> {
            eprintln!("Warning: --no-qa is not enabled in watch mode.");
        }

+        if cli.autoformat {
+            eprintln!("Warning: --autoformat is not enabled in watch mode.");
+        }
+
        if cli.format != SerializationFormat::Text {
            eprintln!("Warning: --format 'text' is used in watch mode.");
        }
@@ -351,6 +389,11 @@ fn inner_main() -> Result<ExitCode> {
        if modifications > 0 {
            println!("Added {modifications} noqa directives.");
        }
+    } else if cli.autoformat {
+        let modifications = autoformat(&cli.files, &settings)?;
+        if modifications > 0 {
+            println!("Formatted {modifications} files.");
+        }
    } else {
        let messages = run_once(&cli.files, &settings, !cli.no_cache, cli.fix)?;
        if !cli.quiet {
--- a/src/pyproject.rs
+++ b/src/pyproject.rs
@@ -29,10 +29,17 @@ pub fn load_config(pyproject: &Option<PathBuf>) -> Result<Config> {
 pub struct Config {
    pub line_length: Option<usize>,
    pub exclude: Option<Vec<String>>,
-    pub extend_exclude: Option<Vec<String>>,
+    #[serde(default)]
+    pub extend_exclude: Vec<String>,
    pub select: Option<Vec<CheckCode>>,
-    pub ignore: Option<Vec<CheckCode>>,
-    pub per_file_ignores: Option<Vec<StrCheckCodePair>>,
+    #[serde(default)]
+    pub extend_select: Vec<CheckCode>,
+    #[serde(default)]
+    pub ignore: Vec<CheckCode>,
+    #[serde(default)]
+    pub extend_ignore: Vec<CheckCode>,
+    #[serde(default)]
+    pub per_file_ignores: Vec<StrCheckCodePair>,
    pub dummy_variable_rgx: Option<String>,
 }

@@ -175,10 +182,12 @@ mod tests {
                ruff: Some(Config {
                    line_length: None,
                    exclude: None,
-                    extend_exclude: None,
+                    extend_exclude: vec![],
                    select: None,
-                    ignore: None,
-                    per_file_ignores: None,
+                    extend_select: vec![],
+                    ignore: vec![],
+                    extend_ignore: vec![],
+                    per_file_ignores: vec![],
                    dummy_variable_rgx: None,
                })
            })
@@ -197,10 +206,12 @@ line-length = 79
                ruff: Some(Config {
                    line_length: Some(79),
                    exclude: None,
-                    extend_exclude: None,
+                    extend_exclude: vec![],
                    select: None,
-                    ignore: None,
-                    per_file_ignores: None,
+                    extend_select: vec![],
+                    ignore: vec![],
+                    extend_ignore: vec![],
+                    per_file_ignores: vec![],
                    dummy_variable_rgx: None,
                })
            })
@@ -219,10 +230,12 @@ exclude = ["foo.py"]
                ruff: Some(Config {
                    line_length: None,
                    exclude: Some(vec!["foo.py".to_string()]),
-                    extend_exclude: None,
+                    extend_exclude: vec![],
                    select: None,
-                    ignore: None,
-                    per_file_ignores: None,
+                    extend_select: vec![],
+                    ignore: vec![],
+                    extend_ignore: vec![],
+                    per_file_ignores: vec![],
                    dummy_variable_rgx: None,
                })
            })
@@ -241,10 +254,12 @@ select = ["E501"]
                ruff: Some(Config {
                    line_length: None,
                    exclude: None,
-                    extend_exclude: None,
+                    extend_exclude: vec![],
                    select: Some(vec![CheckCode::E501]),
-                    ignore: None,
-                    per_file_ignores: None,
+                    extend_select: vec![],
+                    ignore: vec![],
+                    extend_ignore: vec![],
+                    per_file_ignores: vec![],
                    dummy_variable_rgx: None,
                })
            })
@@ -254,6 +269,7 @@ select = ["E501"]
            r#"
 [tool.black]
 [tool.ruff]
+extend-select = ["M001"]
 ignore = ["E501"]
 "#,
        )?;
@@ -263,10 +279,12 @@ ignore = ["E501"]
                ruff: Some(Config {
                    line_length: None,
                    exclude: None,
-                    extend_exclude: None,
+                    extend_exclude: vec![],
                    select: None,
-                    ignore: Some(vec![CheckCode::E501]),
-                    per_file_ignores: None,
+                    extend_select: vec![CheckCode::M001],
+                    ignore: vec![CheckCode::E501],
+                    extend_ignore: vec![],
+                    per_file_ignores: vec![],
                    dummy_variable_rgx: None,
                })
            })
@@ -325,14 +343,16 @@ other-attribute = 1
            Config {
                line_length: Some(88),
                exclude: None,
-                extend_exclude: Some(vec![
+                extend_exclude: vec![
                    "excluded.py".to_string(),
                    "migrations".to_string(),
                    "directory/also_excluded.py".to_string(),
-                ]),
+                ],
                select: None,
-                ignore: None,
-                per_file_ignores: None,
+                extend_select: vec![],
+                ignore: vec![],
+                extend_ignore: vec![],
+                per_file_ignores: vec![],
                dummy_variable_rgx: None,
            }
        );
--- a/src/settings.rs
+++ b/src/settings.rs
@@ -51,56 +51,18 @@ impl PerFileIgnore {
 }

 #[derive(Debug)]
-pub struct Settings {
-    pub pyproject: Option<PathBuf>,
-    pub project_root: Option<PathBuf>,
-    pub line_length: usize,
+pub struct RawSettings {
+    pub dummy_variable_rgx: Regex,
    pub exclude: Vec<FilePattern>,
    pub extend_exclude: Vec<FilePattern>,
-    pub select: BTreeSet<CheckCode>,
+    pub extend_ignore: Vec<CheckCode>,
+    pub extend_select: Vec<CheckCode>,
+    pub ignore: Vec<CheckCode>,
+    pub line_length: usize,
    pub per_file_ignores: Vec<PerFileIgnore>,
-    pub dummy_variable_rgx: Regex,
-}
-
-impl Settings {
-    pub fn for_rule(check_code: CheckCode) -> Self {
-        Self {
-            pyproject: None,
-            project_root: None,
-            line_length: 88,
-            exclude: vec![],
-            extend_exclude: vec![],
-            select: BTreeSet::from([check_code]),
-            per_file_ignores: vec![],
-            dummy_variable_rgx: DEFAULT_DUMMY_VARIABLE_RGX.clone(),
-        }
-    }
-
-    pub fn for_rules(check_codes: Vec<CheckCode>) -> Self {
-        Self {
-            pyproject: None,
-            project_root: None,
-            line_length: 88,
-            exclude: vec![],
-            extend_exclude: vec![],
-            select: BTreeSet::from_iter(check_codes),
-            per_file_ignores: vec![],
-            dummy_variable_rgx: DEFAULT_DUMMY_VARIABLE_RGX.clone(),
-        }
-    }
-}
-
-impl Hash for Settings {
-    fn hash<H: Hasher>(&self, state: &mut H) {
-        self.line_length.hash(state);
-        self.dummy_variable_rgx.as_str().hash(state);
-        for value in self.select.iter() {
-            value.hash(state);
-        }
-        for value in self.per_file_ignores.iter() {
-            value.hash(state);
-        }
-    }
+    pub project_root: Option<PathBuf>,
+    pub pyproject: Option<PathBuf>,
+    pub select: Vec<CheckCode>,
 }

 static DEFAULT_EXCLUDE: Lazy<Vec<FilePattern>> = Lazy::new(|| {
@@ -130,14 +92,18 @@ static DEFAULT_EXCLUDE: Lazy<Vec<FilePattern>> = Lazy::new(|| {
 static DEFAULT_DUMMY_VARIABLE_RGX: Lazy<Regex> =
    Lazy::new(|| Regex::new("^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$").unwrap());

-impl Settings {
+impl RawSettings {
    pub fn from_pyproject(
        pyproject: Option<PathBuf>,
        project_root: Option<PathBuf>,
    ) -> Result<Self> {
        let config = load_config(&pyproject)?;
-        let mut settings = Settings {
-            line_length: config.line_length.unwrap_or(88),
+        Ok(RawSettings {
+            dummy_variable_rgx: match config.dummy_variable_rgx {
+                Some(pattern) => Regex::new(&pattern)
+                    .map_err(|e| anyhow!("Invalid dummy-variable-rgx value: {e}"))?,
+                None => DEFAULT_DUMMY_VARIABLE_RGX.clone(),
+            },
            exclude: config
                .exclude
                .map(|paths| {
@@ -149,54 +115,91 @@ impl Settings {
                .unwrap_or_else(|| DEFAULT_EXCLUDE.clone()),
            extend_exclude: config
                .extend_exclude
-                .map(|paths| {
-                    paths
-                        .iter()
-                        .map(|path| FilePattern::from_user(path, &project_root))
-                        .collect()
-                })
-                .unwrap_or_default(),
-            select: if let Some(select) = config.select {
-                BTreeSet::from_iter(select)
-            } else {
-                BTreeSet::from_iter(DEFAULT_CHECK_CODES)
-            },
+                .iter()
+                .map(|path| FilePattern::from_user(path, &project_root))
+                .collect(),
+            extend_ignore: config.extend_ignore,
+            extend_select: config.extend_select,
+            ignore: config.ignore,
+            line_length: config.line_length.unwrap_or(88),
            per_file_ignores: config
                .per_file_ignores
-                .map(|ignore_strings| {
-                    ignore_strings
-                        .into_iter()
-                        .map(|pair| PerFileIgnore::new(pair, &project_root))
-                        .collect()
-                })
-                .unwrap_or_default(),
-            dummy_variable_rgx: match config.dummy_variable_rgx {
-                Some(pattern) => Regex::new(&pattern)
-                    .map_err(|e| anyhow!("Invalid dummy-variable-rgx value: {e}"))?,
-                None => DEFAULT_DUMMY_VARIABLE_RGX.clone(),
-            },
-            pyproject,
+                .into_iter()
+                .map(|pair| PerFileIgnore::new(pair, &project_root))
+                .collect(),
            project_root,
-        };
-        if let Some(ignore) = &config.ignore {
-            settings.ignore(ignore);
+            pyproject,
+            select: config
+                .select
+                .unwrap_or_else(|| DEFAULT_CHECK_CODES.to_vec()),
+        })
+    }
+}
+
+#[derive(Debug)]
+pub struct Settings {
+    pub dummy_variable_rgx: Regex,
+    pub enabled: BTreeSet<CheckCode>,
+    pub exclude: Vec<FilePattern>,
+    pub extend_exclude: Vec<FilePattern>,
+    pub line_length: usize,
+    pub per_file_ignores: Vec<PerFileIgnore>,
+}
+
+impl Settings {
+    pub fn from_raw(settings: RawSettings) -> Self {
+        // Materialize the set of enabled CheckCodes.
+        let mut enabled: BTreeSet<CheckCode> = BTreeSet::new();
+        enabled.extend(settings.select);
+        enabled.extend(settings.extend_select);
+        for code in &settings.ignore {
+            enabled.remove(code);
        }
-        Ok(settings)
-    }
-
-    pub fn clear(&mut self) {
-        self.select.clear();
-    }
-
-    pub fn select(&mut self, codes: Vec<CheckCode>) {
-        for code in codes {
-            self.select.insert(code);
+        for code in &settings.extend_ignore {
+            enabled.remove(code);
+        }
+        Self {
+            dummy_variable_rgx: settings.dummy_variable_rgx,
+            enabled,
+            exclude: settings.exclude,
+            extend_exclude: settings.extend_exclude,
+            line_length: settings.line_length,
+            per_file_ignores: settings.per_file_ignores,
        }
    }

-    pub fn ignore(&mut self, codes: &[CheckCode]) {
-        for code in codes {
-            self.select.remove(code);
+    pub fn for_rule(check_code: CheckCode) -> Self {
+        Self {
+            dummy_variable_rgx: DEFAULT_DUMMY_VARIABLE_RGX.clone(),
+            enabled: BTreeSet::from([check_code]),
+            exclude: vec![],
+            extend_exclude: vec![],
+            line_length: 88,
+            per_file_ignores: vec![],
+        }
+    }
+
+    pub fn for_rules(check_codes: Vec<CheckCode>) -> Self {
+        Self {
+            dummy_variable_rgx: DEFAULT_DUMMY_VARIABLE_RGX.clone(),
+            enabled: BTreeSet::from_iter(check_codes),
+            exclude: vec![],
+            extend_exclude: vec![],
+            line_length: 88,
+            per_file_ignores: vec![],
+        }
+    }
+}
+
+impl Hash for Settings {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        self.line_length.hash(state);
+        self.dummy_variable_rgx.as_str().hash(state);
+        for value in self.enabled.iter() {
+            value.hash(state);
+        }
+        for value in self.per_file_ignores.iter() {
+            value.hash(state);
        }
    }
 }
@@ -227,22 +230,23 @@ impl Exclusion {
 /// Struct to render user-facing Settings.
 #[derive(Debug)]
 pub struct CurrentSettings {
-    pub pyproject: Option<PathBuf>,
-    pub project_root: Option<PathBuf>,
-    pub line_length: usize,
+    pub dummy_variable_rgx: Regex,
    pub exclude: Vec<Exclusion>,
    pub extend_exclude: Vec<Exclusion>,
-    pub select: BTreeSet<CheckCode>,
+    pub extend_ignore: Vec<CheckCode>,
+    pub extend_select: Vec<CheckCode>,
+    pub ignore: Vec<CheckCode>,
+    pub line_length: usize,
    pub per_file_ignores: Vec<PerFileIgnore>,
-    pub dummy_variable_rgx: Regex,
+    pub project_root: Option<PathBuf>,
+    pub pyproject: Option<PathBuf>,
+    pub select: Vec<CheckCode>,
 }

 impl CurrentSettings {
-    pub fn from_settings(settings: Settings) -> Self {
+    pub fn from_settings(settings: RawSettings) -> Self {
        Self {
-            pyproject: settings.pyproject,
-            project_root: settings.project_root,
-            line_length: settings.line_length,
+            dummy_variable_rgx: settings.dummy_variable_rgx,
            exclude: settings
                .exclude
                .into_iter()
@@ -253,9 +257,14 @@ impl CurrentSettings {
                .into_iter()
                .map(Exclusion::from_file_pattern)
                .collect(),
-            select: settings.select,
+            extend_ignore: settings.extend_ignore,
+            extend_select: settings.extend_select,
+            ignore: settings.ignore,
+            line_length: settings.line_length,
            per_file_ignores: settings.per_file_ignores,
-            dummy_variable_rgx: settings.dummy_variable_rgx,
+            project_root: settings.project_root,
+            pyproject: settings.pyproject,
+            select: settings.select,
        }
    }
 }
--- a/src/snapshots/rufflintertests__f405.snap
+++ b/src/snapshots/rufflintertests__f405.snap
@@ -5,7 +5,7 @@ expression: checks
 - kind:
    ImportStarUsage:
      - name
-      - mymodule
+      - - mymodule
  location:
    row: 5
    column: 11
@@ -16,7 +16,7 @@ expression: checks
 - kind:
    ImportStarUsage:
      - a
-      - mymodule
+      - - mymodule
  location:
    row: 11
    column: 1
--- a/src/snapshots/rufflintertests__spr001.snap
+++ b/src/snapshots/rufflintertests__spr001.snap
@@ -50,4 +50,36 @@ expression: checks
      row: 22
      column: 10
    applied: false
+- kind: SuperCallWithParameters
+  location:
+    row: 36
+    column: 9
+  end_location:
+    row: 36
+    column: 29
+  fix:
+    content: super()
+    location:
+      row: 36
+      column: 9
+    end_location:
+      row: 36
+      column: 29
+    applied: false
+- kind: SuperCallWithParameters
+  location:
+    row: 50
+    column: 13
+  end_location:
+    row: 50
+    column: 33
+  fix:
+    content: super()
+    location:
+      row: 50
+      column: 13
+    end_location:
+      row: 50
+      column: 33
+    applied: false

--- a/src/snapshots/rufflintertests__u001.snap
+++ b/src/snapshots/rufflintertests__u001.snap
@@ -0,0 +1,37 @@
+---
+source: src/linter.rs
+expression: checks
+---
+- kind: UselessMetaclassType
+  location:
+    row: 2
+    column: 5
+  end_location:
+    row: 2
+    column: 25
+  fix:
+    content: pass
+    location:
+      row: 2
+      column: 5
+    end_location:
+      row: 2
+      column: 25
+    applied: false
+- kind: UselessMetaclassType
+  location:
+    row: 6
+    column: 5
+  end_location:
+    row: 6
+    column: 25
+  fix:
+    content: ""
+    location:
+      row: 6
+      column: 1
+    end_location:
+      row: 7
+      column: 1
+    applied: false
+
Author	SHA1	Message	Date
Charlie Marsh	9b564c9cf4	Bump version to 0.0.55	2022-10-04 20:07:31 -04:00
Charlie Marsh	5bf8b13644	Properly combine CLI and pyproject.toml ignores and selects (#329 )	2022-10-04 20:07:17 -04:00
Anders Kaseorg	f80d5e70dd	Support extend-select in pyproject.toml (#327 )	2022-10-04 17:24:30 -04:00
Charlie Marsh	44897b2a5b	Enable AST-to-source code generation (#292 )	2022-10-04 16:27:57 -04:00
Anders Kaseorg	d1bcc919a2	Remove unnecessary Option wrapper from some pyproject::Config fields (#326 )	2022-10-04 16:27:40 -04:00
Charlie Marsh	03e1397427	Bump version to 0.0.54	2022-10-04 14:32:06 -04:00
Charlie Marsh	fdb32330a9	Implement __metaclass__ = type removal (#324 )	2022-10-04 14:31:52 -04:00
Charlie Marsh	4e6ae33a3a	Only flag super calls in class-function scopes (#323 )	2022-10-04 13:55:32 -04:00
Charlie Marsh	295ff8eb1a	Add autofix and default status to README (#322 )	2022-10-04 12:30:35 -04:00
Parth Shandilya	2449771d2f	Fix the broken link to contribution guidelines (#321 )	2022-10-04 11:10:10 -04:00