Bump version to 0.0.170

Detect unused arguments

.pre-commit-config.yaml

@@ -1,6 +1,6 @@
 repos:
   - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.162
+    rev: v0.0.170
     hooks:
       - id: ruff
 

CONTRIBUTING.md

@@ -105,6 +105,8 @@ You may also want to add the new configuration option to the `flake8-to-ruff` to
 responsible for converting `flake8` configuration files to Ruff's TOML format. This logic
 lives in `flake8_to_ruff/src/converter.rs`.
 
+To update the documentation for supported configuration options, run `cargo dev generate-options`.
+
 ## Release process
 
 As of now, Ruff has an ad hoc release process: releases are cut with high frequency via GitHub

Cargo.lock

@@ -724,7 +724,7 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "flake8-to-ruff"
-version = "0.0.162-dev.0"
+version = "0.0.170-dev.0"
 dependencies = [
  "anyhow",
  "clap 4.0.29",
@@ -1821,7 +1821,7 @@ dependencies = [
 
 [[package]]
 name = "ruff"
-version = "0.0.162"
+version = "0.0.170"
 dependencies = [
  "annotate-snippets 0.9.1",
  "anyhow",
@@ -1855,6 +1855,7 @@ dependencies = [
  "rayon",
  "regex",
  "ropey",
+ "ruff_macros",
  "rustc-hash",
  "rustpython-ast",
  "rustpython-common",
@@ -1873,7 +1874,7 @@ dependencies = [
 
 [[package]]
 name = "ruff_dev"
-version = "0.0.162"
+version = "0.0.170"
 dependencies = [
  "anyhow",
  "clap 4.0.29",
@@ -1889,6 +1890,16 @@ dependencies = [
  "strum_macros",
 ]
 
+[[package]]
+name = "ruff_macros"
+version = "0.0.170"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+ "textwrap",
+]
+
 [[package]]
 name = "rustc-hash"
 version = "1.1.0"

Cargo.toml

@@ -6,7 +6,7 @@ members = [
 
 [package]
 name = "ruff"
-version = "0.0.162"
+version = "0.0.170"
 edition = "2021"
 rust-version = "1.65.0"
 
@@ -41,6 +41,7 @@ quick-junit = { version = "0.3.2" }
 rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
 ropey = { version = "1.5.0", features = ["cr_lines", "simd"], default-features = false }
+ruff_macros = { version = "0.0.170", path = "ruff_macros" }
 rustc-hash = { version = "1.1.0" }
 rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "28f9f65ccc625f00835d84bbb5fba274dce5aa89" }
 rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "28f9f65ccc625f00835d84bbb5fba274dce5aa89" }

LICENSE

@@ -388,6 +388,56 @@ are:
     SOFTWARE.
   """
 
+- flake8-import-conventions, licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2021 João Palmeiro
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """
+
+- flake8-unused-arguments, licensed as follows:
+  """
+    MIT License
+
+    Copyright (c) 2019 Nathan Hoad
+
+    Permission is hereby granted, free of charge, to any person obtaining a copy
+    of this software and associated documentation files (the "Software"), to deal
+    in the Software without restriction, including without limitation the rights
+    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+    copies of the Software, and to permit persons to whom the Software is
+    furnished to do so, subject to the following conditions:
+
+    The above copyright notice and this permission notice shall be included in all
+    copies or substantial portions of the Software.
+
+    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+    SOFTWARE.
+  """
+
 - isort, licensed as follows:
   """
     The MIT License (MIT)

flake8_to_ruff/Cargo.lock

@@ -771,7 +771,7 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
 
 [[package]]
 name = "flake8_to_ruff"
-version = "0.0.162"
+version = "0.0.170"
 dependencies = [
  "anyhow",
  "clap",
@@ -1975,7 +1975,7 @@ dependencies = [
 
 [[package]]
 name = "ruff"
-version = "0.0.162"
+version = "0.0.170"
 dependencies = [
  "anyhow",
  "bincode",

flake8_to_ruff/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "flake8-to-ruff"
-version = "0.0.162-dev.0"
+version = "0.0.170-dev.0"
 edition = "2021"
 
 [lib]

flake8_to_ruff/src/converter.rs

@@ -270,6 +270,7 @@ mod tests {
             flake8_bugbear: None,
             flake8_quotes: None,
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,
@@ -314,6 +315,7 @@ mod tests {
             flake8_bugbear: None,
             flake8_quotes: None,
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,
@@ -358,6 +360,7 @@ mod tests {
             flake8_bugbear: None,
             flake8_quotes: None,
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,
@@ -402,6 +405,7 @@ mod tests {
             flake8_bugbear: None,
             flake8_quotes: None,
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,
@@ -451,6 +455,7 @@ mod tests {
                 avoid_escape: None,
             }),
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,
@@ -533,6 +538,7 @@ mod tests {
             flake8_bugbear: None,
             flake8_quotes: None,
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,
@@ -583,6 +589,7 @@ mod tests {
                 avoid_escape: None,
             }),
             flake8_tidy_imports: None,
+            flake8_import_conventions: None,
             isort: None,
             mccabe: None,
             pep8_naming: None,

resources/test/fixtures/flake8_annotations/allow_overload.py

@@ -0,0 +1,49 @@
+from typing import overload
+
+
+@overload
+def foo(i: int) -> "int":
+    ...
+
+
+@overload
+def foo(i: "str") -> "str":
+    ...
+
+
+def foo(i):
+    return i
+
+
+@overload
+def bar(i: int) -> "int":
+    ...
+
+
+@overload
+def bar(i: "str") -> "str":
+    ...
+
+
+class X:
+    def bar(i):
+        return i
+
+
+# TODO(charlie): This third case should raise an error (as in Mypy), because we have a
+# statement between the interfaces and implementation.
+@overload
+def baz(i: int) -> "int":
+    ...
+
+
+@overload
+def baz(i: "str") -> "str":
+    ...
+
+
+x = 1
+
+
+def baz(i):
+    return i

resources/test/fixtures/flake8_blind_except/BLE.py

@@ -53,3 +53,11 @@ try:
         raise e
 except Exception:
     pass
+
+
+try:
+    pass
+except Exception as e:
+    raise bad
+except BaseException:
+    pass

resources/test/fixtures/flake8_bugbear/B905.py

@@ -0,0 +1,10 @@
+zip()
+zip(range(3))
+zip("a", "b")
+zip("a", "b", *zip("c"))
+zip(zip("a"), strict=False)
+zip(zip("a", strict=True))
+
+zip(range(3), strict=True)
+zip("a", "b", strict=False)
+zip("a", "b", "c", strict=True)

resources/test/fixtures/flake8_import_conventions/custom.py

@@ -0,0 +1,25 @@
+import math  # not checked
+
+import altair  # unconventional
+import dask.array  # unconventional
+import dask.dataframe  # unconventional
+import matplotlib.pyplot  # unconventional
+import numpy  # unconventional
+import pandas  # unconventional
+import seaborn  # unconventional
+
+import altair as altr  # unconventional
+import matplotlib.pyplot as plot  # unconventional
+import dask.array as darray  # unconventional
+import dask.dataframe as ddf  # unconventional
+import numpy as nmp  # unconventional
+import pandas as pdas  # unconventional
+import seaborn as sbrn  # unconventional
+
+import altair as alt  # conventional
+import dask.array as da  # conventional
+import dask.dataframe as dd  # conventional
+import matplotlib.pyplot as plt  # conventional
+import numpy as np  # conventional
+import pandas as pd  # conventional
+import seaborn as sns  # conventional

resources/test/fixtures/flake8_import_conventions/defaults.py

@@ -0,0 +1,19 @@
+import math  # not checked
+
+import altair  # unconventional
+import matplotlib.pyplot  # unconventional
+import numpy  # unconventional
+import pandas  # unconventional
+import seaborn  # unconventional
+
+import altair as altr  # unconventional
+import matplotlib.pyplot as plot  # unconventional
+import numpy as nmp  # unconventional
+import pandas as pdas  # unconventional
+import seaborn as sbrn  # unconventional
+
+import altair as alt  # conventional
+import matplotlib.pyplot as plt  # conventional
+import numpy as np  # conventional
+import pandas as pd  # conventional
+import seaborn as sns  # conventional

resources/test/fixtures/flake8_import_conventions/override_default.py

@@ -0,0 +1,19 @@
+import math  # not checked
+
+import altair  # unconventional
+import matplotlib.pyplot  # unconventional
+import numpy  # unconventional
+import pandas  # unconventional
+import seaborn  # unconventional
+
+import altair as altr  # unconventional
+import matplotlib.pyplot as plot  # unconventional
+import numpy as np  # unconventional
+import pandas as pdas  # unconventional
+import seaborn as sbrn  # unconventional
+
+import altair as alt  # conventional
+import matplotlib.pyplot as plt  # conventional
+import numpy as nmp  # conventional
+import pandas as pd  # conventional
+import seaborn as sns  # conventional

resources/test/fixtures/flake8_import_conventions/remove_default.py

@@ -0,0 +1,19 @@
+import math  # not checked
+
+import altair  # unconventional
+import matplotlib.pyplot  # unconventional
+import numpy  # not checked
+import pandas  # unconventional
+import seaborn  # unconventional
+
+import altair as altr  # unconventional
+import matplotlib.pyplot as plot  # unconventional
+import numpy as nmp  # not checked
+import pandas as pdas  # unconventional
+import seaborn as sbrn  # unconventional
+
+import altair as alt  # conventional
+import matplotlib.pyplot as plt  # conventional
+import numpy as np  # not checked
+import pandas as pd  # conventional
+import seaborn as sns  # conventional

resources/test/fixtures/flake8_unused_arguments/ARG.py

@@ -0,0 +1,137 @@
+from abc import abstractmethod
+from typing_extensions import override
+
+
+###
+# Unused arguments on functions.
+###
+def f(self, x):
+    print("Hello, world!")
+
+
+def f(cls, x):
+    print("Hello, world!")
+
+
+def f(self, x):
+    ...
+
+
+def f(cls, x):
+    ...
+
+
+###
+# Unused arguments on lambdas.
+###
+lambda x: print("Hello, world!")
+
+
+class X:
+    ###
+    # Unused arguments.
+    ###
+    def f(self, x):
+        print("Hello, world!")
+
+    def f(self, /, x):
+        print("Hello, world!")
+
+    def f(cls, x):
+        print("Hello, world!")
+
+    @classmethod
+    def f(cls, x):
+        print("Hello, world!")
+
+    @staticmethod
+    def f(cls, x):
+        print("Hello, world!")
+
+    @staticmethod
+    def f(x):
+        print("Hello, world!")
+
+    ###
+    # Unused arguments attached to empty functions (OK).
+    ###
+    def f(self, x):
+        ...
+
+    def f(self, /, x):
+        ...
+
+    def f(cls, x):
+        ...
+
+    @classmethod
+    def f(cls, x):
+        ...
+
+    @staticmethod
+    def f(cls, x):
+        ...
+
+    @staticmethod
+    def f(x):
+        ...
+
+    ###
+    # Unused functions attached to abstract methods (OK).
+    ###
+    @abstractmethod
+    def f(self, x):
+        print("Hello, world!")
+
+    @abstractmethod
+    def f(self, /, x):
+        print("Hello, world!")
+
+    @abstractmethod
+    def f(cls, x):
+        print("Hello, world!")
+
+    @classmethod
+    @abstractmethod
+    def f(cls, x):
+        print("Hello, world!")
+
+    @staticmethod
+    @abstractmethod
+    def f(cls, x):
+        print("Hello, world!")
+
+    @staticmethod
+    @abstractmethod
+    def f(x):
+        print("Hello, world!")
+
+    ###
+    # Unused functions attached to overrides (OK).
+    ###
+    @override
+    def f(self, x):
+        print("Hello, world!")
+
+    @override
+    def f(self, /, x):
+        print("Hello, world!")
+
+    @override
+    def f(cls, x):
+        print("Hello, world!")
+
+    @classmethod
+    @override
+    def f(cls, x):
+        print("Hello, world!")
+
+    @staticmethod
+    @override
+    def f(cls, x):
+        print("Hello, world!")
+
+    @staticmethod
+    @override
+    def f(x):
+        print("Hello, world!")

resources/test/fixtures/isort/insert_empty_lines.py

@@ -27,3 +27,15 @@ if True:
     import os
 def f():
     pass
+
+if True:
+    x = 1
+    import collections
+    import typing
+    class X: pass
+
+if True:
+    x = 1
+    import collections
+    import typing
+    def f(): pass

resources/test/fixtures/isort/insert_empty_lines.pyi

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

resources/test/fixtures/pydocstyle/D.py

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

resources/test/fixtures/pydocstyle/D400.py

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

resources/test/fixtures/pyflakes/F841_0.py

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

resources/test/fixtures/pyflakes/F841_1.py

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

resources/test/fixtures/pyproject.toml

@@ -41,3 +41,9 @@ staticmethod-decorators = ["staticmethod"]
 
 [tool.ruff.flake8-tidy-imports]
 ban-relative-imports = "parents"
+
+[tool.ruff.flake8-import-conventions.aliases]
+pandas = "pd"
+
+[tool.ruff.flake8-import-conventions.extend-aliases]
+"dask.dataframe" = "dd"

ruff_dev/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "ruff_dev"
-version = "0.0.162"
+version = "0.0.170"
 edition = "2021"
 
 [dependencies]

ruff_dev/src/generate_check_code_prefix.rs

@@ -8,7 +8,7 @@ use anyhow::Result;
 use clap::Parser;
 use codegen::{Scope, Type, Variant};
 use itertools::Itertools;
-use ruff::checks::{CheckCode, REDIRECTS};
+use ruff::checks::{CheckCode, CODE_REDIRECTS, PREFIX_REDIRECTS};
 use strum::IntoEnumIterator;
 
 const FILE: &str = "src/checks_gen.rs";
@@ -39,34 +39,26 @@ pub fn main(cli: &Cli) -> Result<()> {
         }
     }
 
-    // Add any aliases (e.g., "U001" to "UP001").
-    for (alias, check_code) in REDIRECTS.iter() {
-        // Compute the length of the prefix and suffix for both codes.
-        let code_str: String = check_code.as_ref().to_string();
-        let code_prefix_len = code_str
-            .chars()
-            .take_while(|char| char.is_alphabetic())
-            .count();
-        let code_suffix_len = code_str.len() - code_prefix_len;
-        let alias_prefix_len = alias
-            .chars()
-            .take_while(|char| char.is_alphabetic())
-            .count();
-        let alias_suffix_len = alias.len() - alias_prefix_len;
-        assert_eq!(code_suffix_len, alias_suffix_len);
-        for i in 0..=code_suffix_len {
-            let source = code_str[..code_prefix_len + i].to_string();
-            let destination = alias[..alias_prefix_len + i].to_string();
-            if source != destination {
-                prefix_to_codes.insert(
-                    destination,
-                    prefix_to_codes
-                        .get(&source)
-                        .unwrap_or_else(|| panic!("Unknown CheckCode: {source:?}"))
-                        .clone(),
-                );
-            }
-        }
+    // Add any prefix aliases (e.g., "U" to "UP").
+    for (alias, source) in PREFIX_REDIRECTS.iter() {
+        prefix_to_codes.insert(
+            (*alias).to_string(),
+            prefix_to_codes
+                .get(&(*source).to_string())
+                .unwrap_or_else(|| panic!("Unknown CheckCode: {source:?}"))
+                .clone(),
+        );
+    }
+
+    // Add any check code aliases (e.g., "U001" to "UP001").
+    for (alias, check_code) in CODE_REDIRECTS.iter() {
+        prefix_to_codes.insert(
+            (*alias).to_string(),
+            prefix_to_codes
+                .get(&check_code.as_ref().to_string())
+                .unwrap_or_else(|| panic!("Unknown CheckCode: {alias:?}"))
+                .clone(),
+        );
     }
 
     let mut scope = Scope::new();
@@ -76,6 +68,7 @@ pub fn main(cli: &Cli) -> Result<()> {
         .new_enum("CheckCodePrefix")
         .vis("pub")
         .derive("EnumString")
+        .derive("AsRefStr")
         .derive("Debug")
         .derive("PartialEq")
         .derive("Eq")
@@ -112,10 +105,10 @@ pub fn main(cli: &Cli) -> Result<()> {
         .line("#[allow(clippy::match_same_arms)]")
         .line("match self {");
     for (prefix, codes) in &prefix_to_codes {
-        if let Some(target) = REDIRECTS.get(&prefix.as_str()) {
+        if let Some(target) = CODE_REDIRECTS.get(&prefix.as_str()) {
             gen = gen.line(format!(
                 "CheckCodePrefix::{prefix} => {{ eprintln!(\"{{}}{{}} {{}}\", \
-                 \"warning\".yellow().bold(), \":\".bold(), \"`{}` has been renamed to \
+                 \"warning\".yellow().bold(), \":\".bold(), \"`{}` has been remapped to \
                  `{}`\".bold()); \n vec![{}] }}",
                 prefix,
                 target.as_ref(),
@@ -124,6 +117,18 @@ pub fn main(cli: &Cli) -> Result<()> {
                     .map(|code| format!("CheckCode::{}", code.as_ref()))
                     .join(", ")
             ));
+        } else if let Some(target) = PREFIX_REDIRECTS.get(&prefix.as_str()) {
+            gen = gen.line(format!(
+                "CheckCodePrefix::{prefix} => {{ eprintln!(\"{{}}{{}} {{}}\", \
+                 \"warning\".yellow().bold(), \":\".bold(), \"`{}` has been remapped to \
+                 `{}`\".bold()); \n vec![{}] }}",
+                prefix,
+                target,
+                codes
+                    .iter()
+                    .map(|code| format!("CheckCode::{}", code.as_ref()))
+                    .join(", ")
+            ));
         } else {
             gen = gen.line(format!(
                 "CheckCodePrefix::{prefix} => vec![{}],",
@@ -170,9 +175,9 @@ pub fn main(cli: &Cli) -> Result<()> {
     output.push('\n');
     output.push_str("use colored::Colorize;");
     output.push('\n');
-    output.push_str("use serde::{{Serialize, Deserialize}};");
+    output.push_str("use serde::{Deserialize, Serialize};");
     output.push('\n');
-    output.push_str("use strum_macros::EnumString;");
+    output.push_str("use strum_macros::{AsRefStr, EnumString};");
     output.push('\n');
     output.push('\n');
     output.push_str("use crate::checks::CheckCode;");
@@ -186,7 +191,9 @@ pub fn main(cli: &Cli) -> Result<()> {
     output.push_str("pub const CATEGORIES: &[CheckCodePrefix] = &[");
     output.push('\n');
     for prefix in prefix_to_codes.keys() {
-        if prefix.chars().all(char::is_alphabetic) {
+        if prefix.chars().all(char::is_alphabetic)
+            && !PREFIX_REDIRECTS.contains_key(&prefix.as_str())
+        {
             output.push_str(&format!("CheckCodePrefix::{prefix},"));
             output.push('\n');
         }

ruff_dev/src/generate_options.rs

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

ruff_dev/src/generate_rules_table.rs

@@ -7,11 +7,15 @@ use std::path::PathBuf;
 
 use anyhow::Result;
 use clap::Args;
+use itertools::Itertools;
 use ruff::checks::{CheckCategory, CheckCode};
 use strum::IntoEnumIterator;
 
-const BEGIN_PRAGMA: &str = "<!-- Begin auto-generated sections. -->";
-const END_PRAGMA: &str = "<!-- End auto-generated sections. -->";
+const TABLE_BEGIN_PRAGMA: &str = "<!-- Begin auto-generated sections. -->";
+const TABLE_END_PRAGMA: &str = "<!-- End auto-generated sections. -->";
+
+const TOC_BEGIN_PRAGMA: &str = "<!-- Begin auto-generated table of contents. -->";
+const TOC_END_PRAGMA: &str = "<!-- End auto-generated table of contents. -->";
 
 #[derive(Args)]
 pub struct Cli {
@@ -22,73 +26,91 @@ pub struct Cli {
 
 pub fn main(cli: &Cli) -> Result<()> {
     // Generate the table string.
-    let mut output = String::new();
+    let mut table_out = String::new();
+    let mut toc_out = String::new();
     for check_category in CheckCategory::iter() {
-        output.push_str(&format!("### {}", check_category.title()));
-        output.push('\n');
-        output.push('\n');
+        let codes_csv: String = check_category.codes().iter().map(AsRef::as_ref).join(", ");
+        table_out.push_str(&format!("### {} ({codes_csv})", check_category.title()));
+        table_out.push('\n');
+        table_out.push('\n');
+
+        toc_out.push_str(&format!(
+            "   1. [{} ({})](#{}-{})\n",
+            check_category.title(),
+            codes_csv,
+            check_category.title().to_lowercase().replace(' ', "-"),
+            codes_csv.to_lowercase().replace(',', "-").replace(' ', "")
+        ));
 
         if let Some((url, platform)) = check_category.url() {
-            output.push_str(&format!(
+            table_out.push_str(&format!(
                 "For more, see [{}]({}) on {}.",
                 check_category.title(),
                 url,
                 platform
             ));
-            output.push('\n');
-            output.push('\n');
+            table_out.push('\n');
+            table_out.push('\n');
         }
 
-        output.push_str("| Code | Name | Message | Fix |");
-        output.push('\n');
-        output.push_str("| ---- | ---- | ------- | --- |");
-        output.push('\n');
+        table_out.push_str("| Code | Name | Message | Fix |");
+        table_out.push('\n');
+        table_out.push_str("| ---- | ---- | ------- | --- |");
+        table_out.push('\n');
 
         for check_code in CheckCode::iter() {
             if check_code.category() == check_category {
                 let check_kind = check_code.kind();
                 let fix_token = if check_kind.fixable() { "🛠" } else { "" };
-                output.push_str(&format!(
+                table_out.push_str(&format!(
                     "| {} | {} | {} | {} |",
                     check_kind.code().as_ref(),
                     check_kind.as_ref(),
                     check_kind.summary().replace('|', r"\|"),
                     fix_token
                 ));
-                output.push('\n');
+                table_out.push('\n');
             }
         }
-        output.push('\n');
+        table_out.push('\n');
     }
 
     if cli.dry_run {
-        print!("{output}");
+        print!("Table of Contents: {toc_out}\n Rules Tables: {table_out}");
     } else {
-        // Read the existing file.
-        let file = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-            .parent()
-            .expect("Failed to find root directory")
-            .join("README.md");
-        let existing = fs::read_to_string(&file)?;
-
-        // Extract the prefix.
-        let index = existing
-            .find(BEGIN_PRAGMA)
-            .expect("Unable to find begin pragma");
-        let prefix = &existing[..index + BEGIN_PRAGMA.len()];
-
-        // Extract the suffix.
-        let index = existing
-            .find(END_PRAGMA)
-            .expect("Unable to find end pragma");
-        let suffix = &existing[index..];
-
-        // Write the prefix, new contents, and suffix.
-        let mut f = OpenOptions::new().write(true).truncate(true).open(&file)?;
-        write!(f, "{prefix}\n\n")?;
-        write!(f, "{output}")?;
-        write!(f, "{suffix}")?;
+        // Extra newline in the markdown numbered list looks weird
+        replace_readme_section(toc_out.trim_end(), TOC_BEGIN_PRAGMA, TOC_END_PRAGMA)?;
+        replace_readme_section(&table_out, TABLE_BEGIN_PRAGMA, TABLE_END_PRAGMA)?;
     }
 
     Ok(())
 }
+
+fn replace_readme_section(content: &str, begin_pragma: &str, end_pragma: &str) -> Result<()> {
+    // Read the existing file.
+    let file = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
+        .parent()
+        .expect("Failed to find root directory")
+        .join("README.md");
+    let existing = fs::read_to_string(&file)?;
+
+    // Extract the prefix.
+    let index = existing
+        .find(begin_pragma)
+        .expect("Unable to find begin pragma");
+    let prefix = &existing[..index + begin_pragma.len()];
+
+    // Extract the suffix.
+    let index = existing
+        .find(end_pragma)
+        .expect("Unable to find end pragma");
+    let suffix = &existing[index..];
+
+    // Write the prefix, new contents, and suffix.
+    let mut f = OpenOptions::new().write(true).truncate(true).open(&file)?;
+    writeln!(f, "{prefix}")?;
+    write!(f, "{content}")?;
+    write!(f, "{suffix}")?;
+
+    Ok(())
+}

ruff_dev/src/lib.rs

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

ruff_dev/src/main.rs

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

ruff_macros/Cargo.toml

@@ -0,0 +1,13 @@
+[package]
+name = "ruff_macros"
+version = "0.0.170"
+edition = "2021"
+
+[lib]
+proc-macro = true
+
+[dependencies]
+proc-macro2 = { version = "1.0.47" }
+quote = { version = "1.0.21" }
+syn = { version = "1.0.103", features = ["derive", "parsing"] }
+textwrap = { version = "0.16.0" }

ruff_macros/src/lib.rs

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

src/ast/cast.rs

@@ -0,0 +1,9 @@
+use rustpython_ast::{Expr, Stmt, StmtKind};
+
+pub fn decorator_list(stmt: &Stmt) -> &Vec<Expr> {
+    match &stmt.node {
+        StmtKind::FunctionDef { decorator_list, .. }
+        | StmtKind::AsyncFunctionDef { decorator_list, .. } => decorator_list,
+        _ => panic!("Expected StmtKind::FunctionDef | StmtKind::AsyncFunctionDef"),
+    }
+}

src/ast/function_type.rs

@@ -0,0 +1,65 @@
+use rustc_hash::{FxHashMap, FxHashSet};
+use rustpython_ast::Expr;
+
+use crate::ast::helpers::{
+    collect_call_paths, dealias_call_path, match_call_path, to_module_and_member,
+};
+use crate::ast::types::{Scope, ScopeKind};
+
+const CLASS_METHODS: [&str; 3] = ["__new__", "__init_subclass__", "__class_getitem__"];
+const METACLASS_BASES: [(&str, &str); 2] = [("", "type"), ("abc", "ABCMeta")];
+
+pub enum FunctionType {
+    Function,
+    Method,
+    ClassMethod,
+    StaticMethod,
+}
+
+/// Classify a function based on its scope, name, and decorators.
+pub fn classify(
+    scope: &Scope,
+    name: &str,
+    decorator_list: &[Expr],
+    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
+    import_aliases: &FxHashMap<&str, &str>,
+    classmethod_decorators: &[String],
+    staticmethod_decorators: &[String],
+) -> FunctionType {
+    let ScopeKind::Class(scope) = &scope.kind else {
+        return FunctionType::Function;
+    };
+    // Special-case class method, like `__new__`.
+    if CLASS_METHODS.contains(&name)
+        || scope.bases.iter().any(|expr| {
+            // The class itself extends a known metaclass, so all methods are class methods.
+            let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
+            METACLASS_BASES
+                .iter()
+                .any(|(module, member)| match_call_path(&call_path, module, member, from_imports))
+        })
+        || decorator_list.iter().any(|expr| {
+            // The method is decorated with a class method decorator (like `@classmethod`).
+            let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
+            classmethod_decorators.iter().any(|decorator| {
+                let (module, member) = to_module_and_member(decorator);
+                match_call_path(&call_path, module, member, from_imports)
+            })
+        })
+    {
+        FunctionType::ClassMethod
+    } else if decorator_list.iter().any(|expr| {
+        // The method is decorated with a static method decorator (like
+        // `@staticmethod`).
+        let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
+        staticmethod_decorators.iter().any(|decorator| {
+            let (module, member) = to_module_and_member(decorator);
+            match_call_path(&call_path, module, member, from_imports)
+        })
+    }) {
+        FunctionType::StaticMethod
+    } else {
+        // It's an instance method.
+        FunctionType::Method
+    }
+}

src/ast/mod.rs

@@ -1,3 +1,5 @@
+pub mod cast;
+pub mod function_type;
 pub mod helpers;
 pub mod operations;
 pub mod relocate;

src/ast/operations.rs

@@ -94,23 +94,132 @@ pub fn in_nested_block<'a>(parents: &mut impl Iterator<Item = &'a Stmt>) -> bool
     })
 }
 
-/// Check if a node represents an unpacking assignment.
-pub fn is_unpacking_assignment(stmt: &Stmt) -> bool {
-    let StmtKind::Assign { targets, value, .. } = &stmt.node else {
-        return false;
-    };
-    if !targets.iter().any(|child| {
-        matches!(
-            child.node,
-            ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
-        )
-    }) {
-        return false;
+/// Returns `true` if `parent` contains `child`.
+fn contains(parent: &Expr, child: &Expr) -> bool {
+    match &parent.node {
+        ExprKind::BoolOp { values, .. } => values.iter().any(|parent| contains(parent, child)),
+        ExprKind::NamedExpr { target, value } => contains(target, child) || contains(value, child),
+        ExprKind::BinOp { left, right, .. } => contains(left, child) || contains(right, child),
+        ExprKind::UnaryOp { operand, .. } => contains(operand, child),
+        ExprKind::Lambda { body, .. } => contains(body, child),
+        ExprKind::IfExp { test, body, orelse } => {
+            contains(test, child) || contains(body, child) || contains(orelse, child)
+        }
+        ExprKind::Dict { keys, values } => keys
+            .iter()
+            .chain(values.iter())
+            .any(|parent| contains(parent, child)),
+        ExprKind::Set { elts } => elts.iter().any(|parent| contains(parent, child)),
+        ExprKind::ListComp { elt, .. } => contains(elt, child),
+        ExprKind::SetComp { elt, .. } => contains(elt, child),
+        ExprKind::DictComp { key, value, .. } => contains(key, child) || contains(value, child),
+        ExprKind::GeneratorExp { elt, .. } => contains(elt, child),
+        ExprKind::Await { value } => contains(value, child),
+        ExprKind::Yield { value } => value.as_ref().map_or(false, |value| contains(value, child)),
+        ExprKind::YieldFrom { value } => contains(value, child),
+        ExprKind::Compare {
+            left, comparators, ..
+        } => contains(left, child) || comparators.iter().any(|parent| contains(parent, child)),
+        ExprKind::Call {
+            func,
+            args,
+            keywords,
+        } => {
+            contains(func, child)
+                || args.iter().any(|parent| contains(parent, child))
+                || keywords
+                    .iter()
+                    .any(|keyword| contains(&keyword.node.value, child))
+        }
+        ExprKind::FormattedValue {
+            value, format_spec, ..
+        } => {
+            contains(value, child)
+                || format_spec
+                    .as_ref()
+                    .map_or(false, |value| contains(value, child))
+        }
+        ExprKind::JoinedStr { values } => values.iter().any(|parent| contains(parent, child)),
+        ExprKind::Constant { .. } => false,
+        ExprKind::Attribute { value, .. } => contains(value, child),
+        ExprKind::Subscript { value, slice, .. } => {
+            contains(value, child) || contains(slice, child)
+        }
+        ExprKind::Starred { value, .. } => contains(value, child),
+        ExprKind::Name { .. } => parent == child,
+        ExprKind::List { elts, .. } => elts.iter().any(|parent| contains(parent, child)),
+        ExprKind::Tuple { elts, .. } => elts.iter().any(|parent| contains(parent, child)),
+        ExprKind::Slice { lower, upper, step } => {
+            lower.as_ref().map_or(false, |value| contains(value, child))
+                || upper.as_ref().map_or(false, |value| contains(value, child))
+                || step.as_ref().map_or(false, |value| contains(value, child))
+        }
+    }
+}
+
+/// Check if a node represents an unpacking assignment.
+pub fn is_unpacking_assignment(parent: &Stmt, child: &Expr) -> bool {
+    match &parent.node {
+        StmtKind::With { items, .. } => items.iter().any(|item| {
+            if let Some(optional_vars) = &item.optional_vars {
+                if matches!(optional_vars.node, ExprKind::Tuple { .. }) {
+                    if contains(optional_vars, child) {
+                        return true;
+                    }
+                }
+            }
+            false
+        }),
+        StmtKind::Assign { targets, value, .. } => {
+            // In `(a, b) = (1, 2)`, `(1, 2)` is the target, and it is a tuple.
+            let value_is_tuple = matches!(
+                &value.node,
+                ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
+            );
+            // In `(a, b) = coords = (1, 2)`, `(a, b)` and `coords` are the targets, and
+            // `(a, b`) is a tuple. (We use "tuple" as a placeholder for any
+            // unpackable expression.)
+            let targets_are_tuples = targets.iter().all(|item| {
+                matches!(
+                    item.node,
+                    ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
+                )
+            });
+            // If we're looking at `a` in `(a, b) = coords = (1, 2)`, then we should
+            // identify that the current expression is in a tuple.
+            let child_in_tuple = targets_are_tuples
+                || targets.iter().any(|item| {
+                    matches!(
+                        item.node,
+                        ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
+                    ) && contains(item, child)
+                });
+
+            // If our child is a tuple, and value is not, it's always an unpacking
+            // expression. Ex) `x, y = tup`
+            if child_in_tuple && !value_is_tuple {
+                return true;
+            }
+
+            // If our child isn't a tuple, but value is, it's never an unpacking expression.
+            // Ex) `coords = (1, 2)`
+            if !child_in_tuple && value_is_tuple {
+                return false;
+            }
+
+            // If our target and the value are both tuples, then it's an unpacking
+            // expression assuming there's at least one non-tuple child.
+            // Ex) Given `(x, y) = coords = 1, 2`, `(x, y)` is considered an unpacking
+            // expression. Ex) Given `(x, y) = (a, b) = 1, 2`, `(x, y)` isn't
+            // considered an unpacking expression.
+            if child_in_tuple && value_is_tuple {
+                return !targets_are_tuples;
+            }
+
+            false
+        }
+        _ => false,
     }
-    !matches!(
-        &value.node,
-        ExprKind::Set { .. } | ExprKind::List { .. } | ExprKind::Tuple { .. }
-    )
 }
 
 pub type LocatedCmpop<U = ()> = Located<Cmpop, U>;

src/ast/types.rs

@@ -1,7 +1,7 @@
 use std::sync::atomic::{AtomicUsize, Ordering};
 
 use rustc_hash::FxHashMap;
-use rustpython_ast::{Expr, Keyword, Stmt};
+use rustpython_ast::{Arguments, Expr, Keyword, Stmt};
 use rustpython_parser::ast::{Located, Location};
 
 fn id() -> usize {
@@ -30,35 +30,49 @@ impl Range {
     }
 }
 
-#[derive(Clone, Debug)]
-pub struct FunctionScope {
+#[derive(Debug)]
+pub struct FunctionDef<'a> {
+    pub name: &'a str,
+    pub args: &'a Arguments,
+    pub body: &'a [Stmt],
+    pub decorator_list: &'a [Expr],
+    // pub returns: Option<&'a Expr>,
+    // pub type_comment: Option<&'a str>,
+    // TODO(charlie): Create AsyncFunctionDef to mirror the AST.
     pub async_: bool,
-    pub uses_locals: bool,
 }
 
-#[derive(Clone, Debug)]
-pub struct ClassScope<'a> {
+#[derive(Debug)]
+pub struct ClassDef<'a> {
     pub name: &'a str,
     pub bases: &'a [Expr],
     pub keywords: &'a [Keyword],
+    // pub body: &'a [Stmt],
     pub decorator_list: &'a [Expr],
 }
 
-#[derive(Clone, Debug)]
+#[derive(Debug)]
+pub struct Lambda<'a> {
+    pub args: &'a Arguments,
+    pub body: &'a Expr,
+}
+
+#[derive(Debug)]
 pub enum ScopeKind<'a> {
-    Class(ClassScope<'a>),
-    Function(FunctionScope),
+    Class(ClassDef<'a>),
+    Function(FunctionDef<'a>),
     Generator,
     Module,
     Arg,
-    Lambda,
+    Lambda(Lambda<'a>),
 }
 
-#[derive(Clone, Debug)]
+#[derive(Debug)]
 pub struct Scope<'a> {
     pub id: usize,
     pub kind: ScopeKind<'a>,
     pub import_starred: bool,
+    pub uses_locals: bool,
     pub values: FxHashMap<&'a str, Binding>,
 }
 
@@ -68,6 +82,7 @@ impl<'a> Scope<'a> {
             id: id(),
             kind,
             import_starred: false,
+            uses_locals: false,
             values: FxHashMap::default(),
         }
     }

src/cache.rs

@@ -139,20 +139,21 @@ pub fn get(
         return None;
     };
 
-    if let Ok(encoded) = read_sync(cache_key(path, settings, autofix)) {
-        match bincode::deserialize::<CheckResult>(&encoded[..]) {
-            Ok(CheckResult {
-                metadata: CacheMetadata { mtime },
-                messages,
-            }) => {
-                if FileTime::from_last_modification_time(metadata).unix_seconds() == mtime {
-                    return Some(messages);
-                }
-            }
-            Err(e) => error!("Failed to deserialize encoded cache entry: {e:?}"),
+    let encoded = read_sync(cache_key(path, settings, autofix)).ok()?;
+    let (mtime, messages) = match bincode::deserialize::<CheckResult>(&encoded[..]) {
+        Ok(CheckResult {
+            metadata: CacheMetadata { mtime },
+            messages,
+        }) => (mtime, messages),
+        Err(e) => {
+            error!("Failed to deserialize encoded cache entry: {e:?}");
+            return None;
         }
+    };
+    if FileTime::from_last_modification_time(metadata).unix_seconds() != mtime {
+        return None;
     }
-    None
+    Some(messages)
 }
 
 /// Set a value in the cache.

src/check_ast.rs

@@ -5,7 +5,6 @@ use std::path::Path;
 
 use log::error;
 use rustc_hash::{FxHashMap, FxHashSet};
-use rustpython_ast::Withitem;
 use rustpython_parser::ast::{
     Arg, Arguments, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind,
     KeywordData, Operator, Stmt, StmtKind, Suite,
@@ -18,9 +17,10 @@ use crate::ast::helpers::{
 use crate::ast::operations::extract_all_names;
 use crate::ast::relocate::relocate_expr;
 use crate::ast::types::{
-    Binding, BindingContext, BindingKind, ClassScope, FunctionScope, Node, Range, Scope, ScopeKind,
+    Binding, BindingContext, BindingKind, ClassDef, FunctionDef, Lambda, Node, Range, Scope,
+    ScopeKind,
 };
-use crate::ast::visitor::{walk_excepthandler, walk_withitem, Visitor};
+use crate::ast::visitor::{walk_excepthandler, Visitor};
 use crate::ast::{helpers, operations, visitor};
 use crate::checks::{Check, CheckCode, CheckKind, DeferralKeyword};
 use crate::docstrings::definition::{Definition, DefinitionKind, Documentable};
@@ -36,8 +36,9 @@ use crate::visibility::{module_visibility, transition_scope, Modifier, Visibilit
 use crate::{
     docstrings, flake8_2020, flake8_annotations, flake8_bandit, flake8_blind_except,
     flake8_boolean_trap, flake8_bugbear, flake8_builtins, flake8_comprehensions, flake8_debugger,
-    flake8_print, flake8_return, flake8_tidy_imports, mccabe, pep8_naming, pycodestyle, pydocstyle,
-    pyflakes, pygrep_hooks, pylint, pyupgrade,
+    flake8_import_conventions, flake8_print, flake8_return, flake8_tidy_imports,
+    flake8_unused_arguments, mccabe, pep8_naming, pycodestyle, pydocstyle, pyflakes, pygrep_hooks,
+    pylint, pyupgrade,
 };
 
 const GLOBAL_SCOPE_INDEX: usize = 0;
@@ -72,7 +73,7 @@ pub struct Checker<'a> {
     deferred_type_definitions: Vec<(&'a Expr, bool, DeferralContext)>,
     deferred_functions: Vec<(&'a Stmt, DeferralContext, VisibleScope)>,
     deferred_lambdas: Vec<(&'a Expr, DeferralContext)>,
-    deferred_assignments: Vec<usize>,
+    deferred_assignments: Vec<(usize, DeferralContext)>,
     // Internal, derivative state.
     visible_scope: VisibleScope,
     in_f_string: Option<Range>,
@@ -82,7 +83,6 @@ pub struct Checker<'a> {
     in_deferred_type_definition: bool,
     in_literal: bool,
     in_subscript: bool,
-    in_withitem: bool,
     seen_import_boundary: bool,
     futures_allowed: bool,
     annotations_future_enabled: bool,
@@ -130,7 +130,6 @@ impl<'a> Checker<'a> {
             in_deferred_type_definition: false,
             in_literal: false,
             in_subscript: false,
-            in_withitem: false,
             seen_import_boundary: false,
             futures_allowed: true,
             annotations_future_enabled: false,
@@ -145,15 +144,16 @@ impl<'a> Checker<'a> {
         // If we're in an f-string, override the location. RustPython doesn't produce
         // reliable locations for expressions within f-strings, so we use the
         // span of the f-string itself as a best-effort default.
-        if let Some(range) = self.in_f_string {
-            self.checks.push(Check {
+        let check = if let Some(range) = self.in_f_string {
+            Check {
                 location: range.location,
                 end_location: range.end_location,
                 ..check
-            });
+            }
         } else {
-            self.checks.push(check);
-        }
+            check
+        };
+        self.checks.push(check);
     }
 
     /// Add multiple `Check` items to the `Checker`.
@@ -582,7 +582,7 @@ where
                 for expr in decorator_list {
                     self.visit_expr(expr);
                 }
-                self.push_scope(Scope::new(ScopeKind::Class(ClassScope {
+                self.push_scope(Scope::new(ScopeKind::Class(ClassDef {
                     name,
                     bases,
                     keywords,
@@ -673,7 +673,7 @@ where
                         pylint::plugins::useless_import_alias(self, alias);
                     }
                     if self.settings.enabled.contains(&CheckCode::PLR0402) {
-                        pylint::plugins::consider_using_from_import(self, alias);
+                        pylint::plugins::use_from_import(self, alias);
                     }
 
                     if let Some(asname) = &alias.node.asname {
@@ -730,6 +730,19 @@ where
                             }
                         }
                     }
+
+                    if self.settings.enabled.contains(&CheckCode::ICN001) {
+                        if let Some(check) =
+                            flake8_import_conventions::checks::check_conventional_import(
+                                stmt,
+                                &alias.node.name,
+                                alias.node.asname.as_deref(),
+                                &self.settings.flake8_import_conventions.aliases,
+                            )
+                        {
+                            self.add_check(check);
+                        }
+                    }
                 }
             }
             StmtKind::ImportFrom {
@@ -891,7 +904,7 @@ where
                         );
                     }
 
-                    if self.settings.enabled.contains(&CheckCode::I252) {
+                    if self.settings.enabled.contains(&CheckCode::TID252) {
                         if let Some(check) = flake8_tidy_imports::checks::banned_relative_import(
                             stmt,
                             level.as_ref(),
@@ -1066,9 +1079,6 @@ where
                 if self.settings.enabled.contains(&CheckCode::B013) {
                     flake8_bugbear::plugins::redundant_tuple_in_exception_handler(self, handlers);
                 }
-                if self.settings.enabled.contains(&CheckCode::BLE001) {
-                    flake8_blind_except::plugins::blind_except(self, handlers);
-                }
             }
             StmtKind::Assign { targets, value, .. } => {
                 if self.settings.enabled.contains(&CheckCode::E731) {
@@ -1398,20 +1408,18 @@ where
                                     }
                                     Ok(summary) => {
                                         if self.settings.enabled.contains(&CheckCode::F522) {
-                                            if let Some(check) =
-                                                pyflakes::checks::string_dot_format_extra_named_arguments(
-                                                    &summary, keywords, location,
-                                                )
+                                            if let Some(check) = pyflakes::checks::string_dot_format_extra_named_arguments(
+                                                &summary, keywords, location,
+                                            )
                                             {
                                                 self.add_check(check);
                                             }
                                         }
 
                                         if self.settings.enabled.contains(&CheckCode::F523) {
-                                            if let Some(check) =
-                                                pyflakes::checks::string_dot_format_extra_positional_arguments(
-                                                    &summary, args, location,
-                                                )
+                                            if let Some(check) = pyflakes::checks::string_dot_format_extra_positional_arguments(
+                                                &summary, args, location,
+                                            )
                                             {
                                                 self.add_check(check);
                                             }
@@ -1447,16 +1455,15 @@ where
                 if self.settings.enabled.contains(&CheckCode::UP005) {
                     pyupgrade::plugins::deprecated_unittest_alias(self, func);
                 }
+                if self.settings.enabled.contains(&CheckCode::UP012) {
+                    pyupgrade::plugins::unnecessary_encode_utf8(self, expr, func, args, keywords);
+                }
 
                 // flake8-super
                 if self.settings.enabled.contains(&CheckCode::UP008) {
                     pyupgrade::plugins::super_call_with_parameters(self, expr, func, args);
                 }
 
-                if self.settings.enabled.contains(&CheckCode::UP012) {
-                    pyupgrade::plugins::unnecessary_encode_utf8(self, expr, func, args, keywords);
-                }
-
                 // flake8-print
                 if self.settings.enabled.contains(&CheckCode::T201)
                     || self.settings.enabled.contains(&CheckCode::T203)
@@ -1464,6 +1471,7 @@ where
                     flake8_print::plugins::print_call(self, expr, func);
                 }
 
+                // flake8-bugbear
                 if self.settings.enabled.contains(&CheckCode::B004) {
                     flake8_bugbear::plugins::unreliable_callable_check(self, expr, func, args);
                 }
@@ -1478,7 +1486,7 @@ where
                         .scope_stack
                         .iter()
                         .rev()
-                        .any(|index| matches!(self.scopes[*index].kind, ScopeKind::Lambda))
+                        .any(|index| matches!(self.scopes[*index].kind, ScopeKind::Lambda(..)))
                     {
                         flake8_bugbear::plugins::setattr_with_constant(self, expr, func, args);
                     }
@@ -1491,6 +1499,15 @@ where
                         self, args, keywords,
                     );
                 }
+                if self.settings.enabled.contains(&CheckCode::B905)
+                    && self.settings.target_version >= PythonVersion::Py310
+                {
+                    flake8_bugbear::plugins::zip_without_explicit_strict(
+                        self, expr, func, keywords,
+                    );
+                }
+
+                // flake8-bandit
                 if self.settings.enabled.contains(&CheckCode::S102) {
                     if let Some(check) = flake8_bandit::plugins::exec_used(expr, func) {
                         self.add_check(check);
@@ -1730,9 +1747,7 @@ where
                     if id == "locals" && matches!(ctx, ExprContext::Load) {
                         let scope = &mut self.scopes
                             [*(self.scope_stack.last().expect("No current scope found"))];
-                        if let ScopeKind::Function(inner) = &mut scope.kind {
-                            inner.uses_locals = true;
-                        }
+                        scope.uses_locals = true;
                     }
                 }
 
@@ -1758,7 +1773,7 @@ where
                     pylint::plugins::unnecessary_direct_lambda_call(self, expr, func);
                 }
                 if self.settings.enabled.contains(&CheckCode::PLR1722) {
-                    pylint::plugins::consider_using_sys_exit(self, func);
+                    pylint::plugins::use_sys_exit(self, func);
                 }
             }
             ExprKind::Dict { keys, .. } => {
@@ -2053,7 +2068,7 @@ where
                     }
                 }
             }
-            ExprKind::Lambda { args, .. } => {
+            ExprKind::Lambda { args, body, .. } => {
                 // Visit the arguments, but avoid the body, which will be deferred.
                 for arg in &args.posonlyargs {
                     if let Some(expr) = &arg.node.annotation {
@@ -2086,7 +2101,7 @@ where
                 for expr in &args.defaults {
                     self.visit_expr(expr);
                 }
-                self.push_scope(Scope::new(ScopeKind::Lambda));
+                self.push_scope(Scope::new(ScopeKind::Lambda(Lambda { args, body })));
             }
             ExprKind::ListComp { elt, generators } | ExprKind::SetComp { elt, generators } => {
                 if self.settings.enabled.contains(&CheckCode::C416) {
@@ -2114,7 +2129,7 @@ where
             }
             ExprKind::BoolOp { op, values } => {
                 if self.settings.enabled.contains(&CheckCode::PLR1701) {
-                    pylint::plugins::consider_merging_isinstance(self, expr, op, values);
+                    pylint::plugins::merge_isinstance(self, expr, op, values);
                 }
             }
             _ => {}
@@ -2327,16 +2342,25 @@ where
             ExcepthandlerKind::ExceptHandler {
                 type_, name, body, ..
             } => {
-                if self.settings.enabled.contains(&CheckCode::E722) && type_.is_none() {
-                    self.add_check(Check::new(
-                        CheckKind::DoNotUseBareExcept,
+                if self.settings.enabled.contains(&CheckCode::E722) {
+                    if let Some(check) = pycodestyle::checks::do_not_use_bare_except(
+                        type_.as_deref(),
+                        body,
                         Range::from_located(excepthandler),
-                    ));
+                    ) {
+                        self.add_check(check);
+                    }
                 }
                 if self.settings.enabled.contains(&CheckCode::B904) {
-                    {
-                        flake8_bugbear::plugins::raise_without_from_inside_except(self, body);
-                    }
+                    flake8_bugbear::plugins::raise_without_from_inside_except(self, body);
+                }
+                if self.settings.enabled.contains(&CheckCode::BLE001) {
+                    flake8_blind_except::plugins::blind_except(
+                        self,
+                        type_.as_deref(),
+                        name.as_ref().map(String::as_str),
+                        body,
+                    );
                 }
                 match name {
                     Some(name) => {
@@ -2485,13 +2509,6 @@ where
 
         self.check_builtin_arg_shadowing(&arg.node.arg, Range::from_located(arg));
     }
-
-    fn visit_withitem(&mut self, withitem: &'b Withitem) {
-        let prev_in_withitem = self.in_withitem;
-        self.in_withitem = true;
-        walk_withitem(self, withitem);
-        self.in_withitem = prev_in_withitem;
-    }
 }
 
 fn try_mark_used(scope: &mut Scope, scope_id: usize, id: &str, expr: &Expr) -> bool {
@@ -2798,7 +2815,7 @@ impl<'a> Checker<'a> {
             return;
         }
 
-        if self.in_withitem || operations::is_unpacking_assignment(parent) {
+        if operations::is_unpacking_assignment(parent, expr) {
             self.add_binding(
                 id,
                 Binding {
@@ -2939,27 +2956,44 @@ impl<'a> Checker<'a> {
 
     fn check_deferred_functions(&mut self) {
         while let Some((stmt, (scopes, parents), visibility)) = self.deferred_functions.pop() {
-            self.scope_stack = scopes;
-            self.parent_stack = parents;
+            self.scope_stack = scopes.clone();
+            self.parent_stack = parents.clone();
             self.visible_scope = visibility;
-            self.push_scope(Scope::new(ScopeKind::Function(FunctionScope {
-                async_: matches!(stmt.node, StmtKind::AsyncFunctionDef { .. }),
-                uses_locals: false,
-            })));
 
             match &stmt.node {
-                StmtKind::FunctionDef { body, args, .. }
-                | StmtKind::AsyncFunctionDef { body, args, .. } => {
+                StmtKind::FunctionDef {
+                    name,
+                    body,
+                    args,
+                    decorator_list,
+                    ..
+                }
+                | StmtKind::AsyncFunctionDef {
+                    name,
+                    body,
+                    args,
+                    decorator_list,
+                    ..
+                } => {
+                    self.push_scope(Scope::new(ScopeKind::Function(FunctionDef {
+                        name,
+                        body,
+                        args,
+                        decorator_list,
+                        async_: matches!(stmt.node, StmtKind::AsyncFunctionDef { .. }),
+                    })));
                     self.visit_arguments(args);
                     for stmt in body {
                         self.visit_stmt(stmt);
                     }
                 }
-                _ => {}
+                _ => unreachable!("Expected StmtKind::FunctionDef | StmtKind::AsyncFunctionDef"),
             }
 
-            self.deferred_assignments
-                .push(*self.scope_stack.last().expect("No current scope found"));
+            self.deferred_assignments.push((
+                *self.scope_stack.last().expect("No current scope found"),
+                (scopes, parents),
+            ));
 
             self.pop_scope();
         }
@@ -2967,25 +3001,29 @@ impl<'a> Checker<'a> {
 
     fn check_deferred_lambdas(&mut self) {
         while let Some((expr, (scopes, parents))) = self.deferred_lambdas.pop() {
-            self.scope_stack = scopes;
-            self.parent_stack = parents;
-            self.push_scope(Scope::new(ScopeKind::Lambda));
+            self.scope_stack = scopes.clone();
+            self.parent_stack = parents.clone();
 
             if let ExprKind::Lambda { args, body } = &expr.node {
+                self.push_scope(Scope::new(ScopeKind::Lambda(Lambda { args, body })));
                 self.visit_arguments(args);
                 self.visit_expr(body);
+            } else {
+                unreachable!("Expected ExprKind::Lambda");
             }
 
-            self.deferred_assignments
-                .push(*self.scope_stack.last().expect("No current scope found"));
+            self.deferred_assignments.push((
+                *self.scope_stack.last().expect("No current scope found"),
+                (scopes, parents),
+            ));
 
             self.pop_scope();
         }
     }
 
     fn check_deferred_assignments(&mut self) {
-        if self.settings.enabled.contains(&CheckCode::F841) {
-            while let Some(index) = self.deferred_assignments.pop() {
+        while let Some((index, (scopes, _parents))) = self.deferred_assignments.pop() {
+            if self.settings.enabled.contains(&CheckCode::F841) {
                 self.add_checks(
                     pyflakes::checks::unused_variables(
                         &self.scopes[index],
@@ -2994,6 +3032,23 @@ impl<'a> Checker<'a> {
                     .into_iter(),
                 );
             }
+            if self.settings.enabled.contains(&CheckCode::ARG001)
+                || self.settings.enabled.contains(&CheckCode::ARG002)
+                || self.settings.enabled.contains(&CheckCode::ARG003)
+                || self.settings.enabled.contains(&CheckCode::ARG004)
+                || self.settings.enabled.contains(&CheckCode::ARG005)
+            {
+                self.add_checks(
+                    flake8_unused_arguments::plugins::unused_arguments(
+                        self,
+                        &self.scopes[*scopes
+                            .last()
+                            .expect("Expected parent scope above function scope")],
+                        &self.scopes[index],
+                    )
+                    .into_iter(),
+                );
+            }
         }
     }
 
@@ -3073,7 +3128,7 @@ impl<'a> Checker<'a> {
                 for (name, binding) in &scope.values {
                     let (BindingKind::Importation(_, full_name, context)
                     | BindingKind::SubmoduleImportation(_, full_name, context)
-                    | BindingKind::FromImportation(_, full_name, context)) = &binding.kind else { continue };
+                    | BindingKind::FromImportation(_, full_name, context)) = &binding.kind else { continue; };
 
                     // Skip used exports from `__all__`
                     if binding.used.is_some()
@@ -3142,6 +3197,8 @@ impl<'a> Checker<'a> {
     }
 
     fn check_definitions(&mut self) {
+        let mut overloaded_name: Option<String> = None;
+        self.definitions.reverse();
         while let Some((definition, visibility)) = self.definitions.pop() {
             // flake8-annotations
             if self.settings.enabled.contains(&CheckCode::ANN001)
@@ -3156,7 +3213,21 @@ impl<'a> Checker<'a> {
                 || self.settings.enabled.contains(&CheckCode::ANN206)
                 || self.settings.enabled.contains(&CheckCode::ANN401)
             {
-                flake8_annotations::plugins::definition(self, &definition, &visibility);
+                // TODO(charlie): This should be even stricter, in that an overload
+                // implementation should come immediately after the overloaded
+                // interfaces, without any AST nodes in between. Right now, we
+                // only error when traversing definition boundaries (functions,
+                // classes, etc.).
+                if !overloaded_name.map_or(false, |overloaded_name| {
+                    flake8_annotations::helpers::is_overload_impl(
+                        self,
+                        &definition,
+                        &overloaded_name,
+                    )
+                }) {
+                    flake8_annotations::plugins::definition(self, &definition, &visibility);
+                }
+                overloaded_name = flake8_annotations::helpers::overloaded_name(self, &definition);
             }
 
             // pydocstyle

src/check_imports.rs

@@ -1,5 +1,7 @@
 //! Lint rules based on import analysis.
 
+use std::path::Path;
+
 use rustpython_parser::ast::Suite;
 
 use crate::ast::visitor::Visitor;
@@ -33,8 +35,9 @@ pub fn check_imports(
     directives: &IsortDirectives,
     settings: &Settings,
     autofix: bool,
+    path: &Path,
 ) -> Vec<Check> {
-    let mut tracker = ImportTracker::new(directives);
+    let mut tracker = ImportTracker::new(directives, path);
     for stmt in python_ast {
         tracker.visit_stmt(stmt);
     }

src/check_lines.rs

@@ -7,7 +7,7 @@ use rustpython_parser::ast::Location;
 
 use crate::ast::types::Range;
 use crate::autofix::Fix;
-use crate::checks::{Check, CheckCode, CheckKind, REDIRECTS};
+use crate::checks::{Check, CheckCode, CheckKind, CODE_REDIRECTS};
 use crate::noqa;
 use crate::noqa::{is_file_exempt, Directive};
 use crate::settings::Settings;
@@ -20,19 +20,18 @@ static URL_REGEX: Lazy<Regex> = Lazy::new(|| Regex::new(r"^https?://\S+$").unwra
 
 /// Whether the given line is too long and should be reported.
 fn should_enforce_line_length(line: &str, length: usize, limit: usize) -> bool {
-    if length > limit {
-        let mut chunks = line.split_whitespace();
-        if let (Some(first), Some(_)) = (chunks.next(), chunks.next()) {
-            // Do not enforce the line length for commented lines that end with a URL
-            // or contain only a single word.
-            !(first == "#" && chunks.last().map_or(true, |c| URL_REGEX.is_match(c)))
-        } else {
-            // Single word / no printable chars - no way to make the line shorter
-            false
-        }
-    } else {
-        false
+    if length <= limit {
+        return false;
     }
+    let mut chunks = line.split_whitespace();
+    let (Some(first), Some(_)) = (chunks.next(), chunks.next()) else {
+        // Single word / no printable chars - no way to make the line shorter
+        return false;
+    };
+
+    // Do not enforce the line length for commented lines that end with a URL
+    // or contain only a single word.
+    !(first == "#" && chunks.last().map_or(true, |c| URL_REGEX.is_match(c)))
 }
 
 pub fn check_lines(
@@ -210,7 +209,7 @@ pub fn check_lines(
                     let mut invalid_codes = vec![];
                     let mut valid_codes = vec![];
                     for code in codes {
-                        let code = REDIRECTS.get(code).map_or(code, AsRef::as_ref);
+                        let code = CODE_REDIRECTS.get(code).map_or(code, AsRef::as_ref);
                         if matches.contains(&code) || settings.external.contains(code) {
                             valid_codes.push(code.to_string());
                         } else {

src/check_tokens.rs

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

src/checks.rs

@@ -10,6 +10,7 @@ use strum_macros::{AsRefStr, Display, EnumIter, EnumString};
 
 use crate::ast::types::Range;
 use crate::autofix::Fix;
+use crate::checks_gen::CheckCodePrefix;
 use crate::flake8_debugger::types::DebuggerUsingType;
 use crate::flake8_quotes::settings::Quote;
 use crate::flake8_tidy_imports::settings::Strictness;
@@ -134,6 +135,7 @@ pub enum CheckCode {
     B026,
     B027,
     B904,
+    B905,
     // flake8-blind-except
     BLE001,
     // flake8-comprehensions
@@ -158,7 +160,7 @@ pub enum CheckCode {
     // mccabe
     C901,
     // flake8-tidy-imports
-    I252,
+    TID252,
     // flake8-return
     RET501,
     RET502,
@@ -290,6 +292,14 @@ pub enum CheckCode {
     FBT001,
     FBT002,
     FBT003,
+    // flake8-unused-arguments
+    ARG001,
+    ARG002,
+    ARG003,
+    ARG004,
+    ARG005,
+    // flake8-import-conventions
+    ICN001,
     // Ruff
     RUF001,
     RUF002,
@@ -317,10 +327,12 @@ pub enum CheckCategory {
     Flake8Builtins,
     Flake8Comprehensions,
     Flake8Debugger,
+    Flake8ImportConventions,
     Flake8Print,
     Flake8Quotes,
     Flake8Return,
     Flake8TidyImports,
+    Flake8UnusedArguments,
     Eradicate,
     PygrepHooks,
     Pylint,
@@ -354,10 +366,12 @@ impl CheckCategory {
             CheckCategory::Flake8Builtins => "flake8-builtins",
             CheckCategory::Flake8Comprehensions => "flake8-comprehensions",
             CheckCategory::Flake8Debugger => "flake8-debugger",
+            CheckCategory::Flake8ImportConventions => "flake8-import-conventions",
             CheckCategory::Flake8Print => "flake8-print",
             CheckCategory::Flake8Quotes => "flake8-quotes",
             CheckCategory::Flake8Return => "flake8-return",
             CheckCategory::Flake8TidyImports => "flake8-tidy-imports",
+            CheckCategory::Flake8UnusedArguments => "flake8-unused-arguments",
             CheckCategory::Isort => "isort",
             CheckCategory::McCabe => "mccabe",
             CheckCategory::PEP8Naming => "pep8-naming",
@@ -371,6 +385,42 @@ impl CheckCategory {
         }
     }
 
+    pub fn codes(&self) -> Vec<CheckCodePrefix> {
+        match self {
+            CheckCategory::Eradicate => vec![CheckCodePrefix::ERA],
+            CheckCategory::Flake82020 => vec![CheckCodePrefix::YTT],
+            CheckCategory::Flake8Annotations => vec![CheckCodePrefix::ANN],
+            CheckCategory::Flake8Bandit => vec![CheckCodePrefix::S],
+            CheckCategory::Flake8BlindExcept => vec![CheckCodePrefix::BLE],
+            CheckCategory::Flake8BooleanTrap => vec![CheckCodePrefix::FBT],
+            CheckCategory::Flake8Bugbear => vec![CheckCodePrefix::B],
+            CheckCategory::Flake8Builtins => vec![CheckCodePrefix::A],
+            CheckCategory::Flake8Comprehensions => vec![CheckCodePrefix::C4],
+            CheckCategory::Flake8Debugger => vec![CheckCodePrefix::T10],
+            CheckCategory::Flake8Print => vec![CheckCodePrefix::T20],
+            CheckCategory::Flake8Quotes => vec![CheckCodePrefix::Q],
+            CheckCategory::Flake8Return => vec![CheckCodePrefix::RET],
+            CheckCategory::Flake8TidyImports => vec![CheckCodePrefix::TID],
+            CheckCategory::Flake8UnusedArguments => vec![CheckCodePrefix::ARG],
+            CheckCategory::Isort => vec![CheckCodePrefix::I],
+            CheckCategory::McCabe => vec![CheckCodePrefix::C90],
+            CheckCategory::PEP8Naming => vec![CheckCodePrefix::N],
+            CheckCategory::Pycodestyle => vec![CheckCodePrefix::E, CheckCodePrefix::W],
+            CheckCategory::Pydocstyle => vec![CheckCodePrefix::D],
+            CheckCategory::Pyflakes => vec![CheckCodePrefix::F],
+            CheckCategory::PygrepHooks => vec![CheckCodePrefix::PGH],
+            CheckCategory::Pylint => vec![
+                CheckCodePrefix::PLC,
+                CheckCodePrefix::PLE,
+                CheckCodePrefix::PLR,
+                CheckCodePrefix::PLW,
+            ],
+            CheckCategory::Pyupgrade => vec![CheckCodePrefix::UP],
+            CheckCategory::Flake8ImportConventions => vec![CheckCodePrefix::ICN],
+            CheckCategory::Ruff => vec![CheckCodePrefix::RUF],
+        }
+    }
+
     pub fn url(&self) -> Option<(&'static str, &'static Platform)> {
         match self {
             CheckCategory::Eradicate => {
@@ -412,6 +462,7 @@ impl CheckCategory {
                 "https://pypi.org/project/flake8-debugger/4.1.2/",
                 &Platform::PyPI,
             )),
+            CheckCategory::Flake8ImportConventions => None,
             CheckCategory::Flake8Print => Some((
                 "https://pypi.org/project/flake8-print/5.0.0/",
                 &Platform::PyPI,
@@ -428,6 +479,10 @@ impl CheckCategory {
                 "https://pypi.org/project/flake8-tidy-imports/4.8.0/",
                 &Platform::PyPI,
             )),
+            CheckCategory::Flake8UnusedArguments => Some((
+                "https://pypi.org/project/flake8-unused-arguments/0.0.12/",
+                &Platform::PyPI,
+            )),
             CheckCategory::Isort => {
                 Some(("https://pypi.org/project/isort/5.10.1/", &Platform::PyPI))
             }
@@ -583,13 +638,13 @@ pub enum CheckKind {
     ConsiderUsingFromImport(String, String),
     AwaitOutsideAsync,
     UselessElseOnLoop,
-    ConsiderUsingSysExit,
+    UseSysExit(String),
     // flake8-builtins
     BuiltinVariableShadowing(String),
     BuiltinArgumentShadowing(String),
     BuiltinAttributeShadowing(String),
     // flake8-blind-except
-    BlindExcept,
+    BlindExcept(String),
     // flake8-bugbear
     AbstractBaseClassWithoutAbstractMethod(String),
     AssignmentToOsEnviron,
@@ -618,6 +673,7 @@ pub enum CheckKind {
     UselessComparison,
     UselessContextlibSuppress,
     UselessExpression,
+    ZipWithoutExplicitStrict,
     // flake8-comprehensions
     UnnecessaryGeneratorList,
     UnnecessaryGeneratorSet,
@@ -774,6 +830,14 @@ pub enum CheckKind {
     BooleanPositionalValueInFunctionCall,
     // pygrep-hooks
     NoEval,
+    // flake8-unused-arguments
+    UnusedFunctionArgument(String),
+    UnusedMethodArgument(String),
+    UnusedClassMethodArgument(String),
+    UnusedStaticMethodArgument(String),
+    UnusedLambdaArgument(String),
+    // flake8-import-conventions
+    ImportAliasIsNotConventional(String, String),
     // Ruff
     AmbiguousUnicodeCharacterString(char, char),
     AmbiguousUnicodeCharacterDocstring(char, char),
@@ -886,7 +950,7 @@ impl CheckCode {
             CheckCode::PLR1701 => {
                 CheckKind::ConsiderMergingIsinstance("...".to_string(), vec!["...".to_string()])
             }
-            CheckCode::PLR1722 => CheckKind::ConsiderUsingSysExit,
+            CheckCode::PLR1722 => CheckKind::UseSysExit("exit".to_string()),
             CheckCode::PLW0120 => CheckKind::UselessElseOnLoop,
             // flake8-builtins
             CheckCode::A001 => CheckKind::BuiltinVariableShadowing("...".to_string()),
@@ -924,6 +988,7 @@ impl CheckCode {
             CheckCode::B026 => CheckKind::StarArgUnpackingAfterKeywordArg,
             CheckCode::B027 => CheckKind::EmptyMethodWithoutAbstractDecorator("...".to_string()),
             CheckCode::B904 => CheckKind::RaiseWithoutFromInsideExcept,
+            CheckCode::B905 => CheckKind::ZipWithoutExplicitStrict,
             // flake8-comprehensions
             CheckCode::C400 => CheckKind::UnnecessaryGeneratorList,
             CheckCode::C401 => CheckKind::UnnecessaryGeneratorSet,
@@ -957,7 +1022,7 @@ impl CheckCode {
             // flake8-debugger
             CheckCode::T100 => CheckKind::Debugger(DebuggerUsingType::Import("...".to_string())),
             // flake8-tidy-imports
-            CheckCode::I252 => CheckKind::BannedRelativeImport(Strictness::All),
+            CheckCode::TID252 => CheckKind::BannedRelativeImport(Strictness::All),
             // flake8-return
             CheckCode::RET501 => CheckKind::UnnecessaryReturnNone,
             CheckCode::RET502 => CheckKind::ImplicitReturnValue,
@@ -999,7 +1064,7 @@ impl CheckCode {
             CheckCode::YTT302 => CheckKind::SysVersionCmpStr10,
             CheckCode::YTT303 => CheckKind::SysVersionSlice1Referenced,
             // flake8-blind-except
-            CheckCode::BLE001 => CheckKind::BlindExcept,
+            CheckCode::BLE001 => CheckKind::BlindExcept("Exception".to_string()),
             // pyupgrade
             CheckCode::UP001 => CheckKind::UselessMetaclassType,
             CheckCode::UP003 => CheckKind::TypeOfPrimitive(Primitive::Str),
@@ -1113,6 +1178,16 @@ impl CheckCode {
             CheckCode::FBT003 => CheckKind::BooleanPositionalValueInFunctionCall,
             // pygrep-hooks
             CheckCode::PGH001 => CheckKind::NoEval,
+            // flake8-unused-arguments
+            CheckCode::ARG001 => CheckKind::UnusedFunctionArgument("...".to_string()),
+            CheckCode::ARG002 => CheckKind::UnusedMethodArgument("...".to_string()),
+            CheckCode::ARG003 => CheckKind::UnusedClassMethodArgument("...".to_string()),
+            CheckCode::ARG004 => CheckKind::UnusedStaticMethodArgument("...".to_string()),
+            CheckCode::ARG005 => CheckKind::UnusedLambdaArgument("...".to_string()),
+            // flake8-import-conventions
+            CheckCode::ICN001 => {
+                CheckKind::ImportAliasIsNotConventional("...".to_string(), "...".to_string())
+            }
             // Ruff
             CheckCode::RUF001 => CheckKind::AmbiguousUnicodeCharacterString('𝐁', 'B'),
             CheckCode::RUF002 => CheckKind::AmbiguousUnicodeCharacterDocstring('𝐁', 'B'),
@@ -1138,6 +1213,11 @@ impl CheckCode {
             CheckCode::ANN205 => CheckCategory::Flake8Annotations,
             CheckCode::ANN206 => CheckCategory::Flake8Annotations,
             CheckCode::ANN401 => CheckCategory::Flake8Annotations,
+            CheckCode::ARG001 => CheckCategory::Flake8UnusedArguments,
+            CheckCode::ARG002 => CheckCategory::Flake8UnusedArguments,
+            CheckCode::ARG003 => CheckCategory::Flake8UnusedArguments,
+            CheckCode::ARG004 => CheckCategory::Flake8UnusedArguments,
+            CheckCode::ARG005 => CheckCategory::Flake8UnusedArguments,
             CheckCode::B002 => CheckCategory::Flake8Bugbear,
             CheckCode::B003 => CheckCategory::Flake8Bugbear,
             CheckCode::B004 => CheckCategory::Flake8Bugbear,
@@ -1165,6 +1245,7 @@ impl CheckCode {
             CheckCode::B026 => CheckCategory::Flake8Bugbear,
             CheckCode::B027 => CheckCategory::Flake8Bugbear,
             CheckCode::B904 => CheckCategory::Flake8Bugbear,
+            CheckCode::B905 => CheckCategory::Flake8Bugbear,
             CheckCode::BLE001 => CheckCategory::Flake8BlindExcept,
             CheckCode::C400 => CheckCategory::Flake8Comprehensions,
             CheckCode::C401 => CheckCategory::Flake8Comprehensions,
@@ -1288,7 +1369,8 @@ impl CheckCode {
             CheckCode::FBT002 => CheckCategory::Flake8BooleanTrap,
             CheckCode::FBT003 => CheckCategory::Flake8BooleanTrap,
             CheckCode::I001 => CheckCategory::Isort,
-            CheckCode::I252 => CheckCategory::Flake8TidyImports,
+            CheckCode::TID252 => CheckCategory::Flake8TidyImports,
+            CheckCode::ICN001 => CheckCategory::Flake8ImportConventions,
             CheckCode::N801 => CheckCategory::PEP8Naming,
             CheckCode::N802 => CheckCategory::PEP8Naming,
             CheckCode::N803 => CheckCategory::PEP8Naming,
@@ -1441,7 +1523,7 @@ impl CheckKind {
             CheckKind::ConsiderMergingIsinstance(..) => &CheckCode::PLR1701,
             CheckKind::PropertyWithParameters => &CheckCode::PLR0206,
             CheckKind::ConsiderUsingFromImport(..) => &CheckCode::PLR0402,
-            CheckKind::ConsiderUsingSysExit => &CheckCode::PLR1722,
+            CheckKind::UseSysExit(_) => &CheckCode::PLR1722,
             CheckKind::UselessElseOnLoop => &CheckCode::PLW0120,
             // flake8-builtins
             CheckKind::BuiltinVariableShadowing(_) => &CheckCode::A001,
@@ -1465,6 +1547,7 @@ impl CheckKind {
             CheckKind::MutableArgumentDefault => &CheckCode::B006,
             CheckKind::NoAssertRaisesException => &CheckCode::B017,
             CheckKind::RaiseWithoutFromInsideExcept => &CheckCode::B904,
+            CheckKind::ZipWithoutExplicitStrict => &CheckCode::B905,
             CheckKind::RedundantTupleInExceptionHandler(_) => &CheckCode::B013,
             CheckKind::SetAttrWithConstant => &CheckCode::B010,
             CheckKind::StarArgUnpackingAfterKeywordArg => &CheckCode::B026,
@@ -1476,7 +1559,7 @@ impl CheckKind {
             CheckKind::UselessContextlibSuppress => &CheckCode::B022,
             CheckKind::UselessExpression => &CheckCode::B018,
             // flake8-blind-except
-            CheckKind::BlindExcept => &CheckCode::BLE001,
+            CheckKind::BlindExcept(_) => &CheckCode::BLE001,
             // flake8-comprehensions
             CheckKind::UnnecessaryGeneratorList => &CheckCode::C400,
             CheckKind::UnnecessaryGeneratorSet => &CheckCode::C401,
@@ -1497,7 +1580,7 @@ impl CheckKind {
             // flake8-debugger
             CheckKind::Debugger(_) => &CheckCode::T100,
             // flake8-tidy-imports
-            CheckKind::BannedRelativeImport(_) => &CheckCode::I252,
+            CheckKind::BannedRelativeImport(_) => &CheckCode::TID252,
             // flake8-return
             CheckKind::UnnecessaryReturnNone => &CheckCode::RET501,
             CheckKind::ImplicitReturnValue => &CheckCode::RET502,
@@ -1633,6 +1716,14 @@ impl CheckKind {
             CheckKind::BooleanPositionalValueInFunctionCall => &CheckCode::FBT003,
             // pygrep-hooks
             CheckKind::NoEval => &CheckCode::PGH001,
+            // flake8-unused-arguments
+            CheckKind::UnusedFunctionArgument(..) => &CheckCode::ARG001,
+            CheckKind::UnusedMethodArgument(..) => &CheckCode::ARG002,
+            CheckKind::UnusedClassMethodArgument(..) => &CheckCode::ARG003,
+            CheckKind::UnusedStaticMethodArgument(..) => &CheckCode::ARG004,
+            CheckKind::UnusedLambdaArgument(..) => &CheckCode::ARG005,
+            // flake8-import-conventions
+            CheckKind::ImportAliasIsNotConventional(..) => &CheckCode::ICN001,
             // Ruff
             CheckKind::AmbiguousUnicodeCharacterString(..) => &CheckCode::RUF001,
             CheckKind::AmbiguousUnicodeCharacterDocstring(..) => &CheckCode::RUF002,
@@ -1830,7 +1921,7 @@ impl CheckKind {
             }
             CheckKind::ConsiderMergingIsinstance(obj, types) => {
                 let types = types.join(", ");
-                format!("Consider merging these isinstance calls: `isinstance({obj}, ({types}))`")
+                format!("Merge these isinstance calls: `isinstance({obj}, ({types}))`")
             }
             CheckKind::MisplacedComparisonConstant(comprison) => {
                 format!("Comparison should be {comprison}")
@@ -1842,7 +1933,7 @@ impl CheckKind {
                 "Cannot have defined parameters for properties".to_string()
             }
             CheckKind::ConsiderUsingFromImport(module, name) => {
-                format!("Consider using `from {module} import {name}`")
+                format!("Use `from {module} import {name}` in lieu of alias")
             }
             CheckKind::AwaitOutsideAsync => {
                 "`await` should be used within an async function".to_string()
@@ -1850,7 +1941,7 @@ impl CheckKind {
             CheckKind::UselessElseOnLoop => "Else clause on loop without a break statement, \
                                              remove the else and de-indent all the code inside it"
                 .to_string(),
-            CheckKind::ConsiderUsingSysExit => "Consider using `sys.exit()`".to_string(),
+            CheckKind::UseSysExit(name) => format!("Use `sys.exit()` instead of `{name}`"),
             // flake8-builtins
             CheckKind::BuiltinVariableShadowing(name) => {
                 format!("Variable `{name}` is shadowing a python builtin")
@@ -1976,6 +2067,9 @@ impl CheckKind {
                  from None to distinguish them from errors in exception handling"
                     .to_string()
             }
+            CheckKind::ZipWithoutExplicitStrict => {
+                "`zip()` without an explicit `strict=` parameter".to_string()
+            }
             // flake8-comprehensions
             CheckKind::UnnecessaryGeneratorList => {
                 "Unnecessary generator (rewrite as a `list` comprehension)".to_string()
@@ -2402,7 +2496,7 @@ impl CheckKind {
                 format!("Possible hardcoded password: `\"{string}\"`")
             }
             // flake8-blind-except
-            CheckKind::BlindExcept => "Blind except Exception: statement".to_string(),
+            CheckKind::BlindExcept(name) => format!("Do not catch blind exception: `{name}`"),
             // mccabe
             CheckKind::FunctionIsTooComplex(name, complexity) => {
                 format!("`{name}` is too complex ({complexity})")
@@ -2419,6 +2513,22 @@ impl CheckKind {
             }
             // pygrep-hooks
             CheckKind::NoEval => "No builtin `eval()` allowed".to_string(),
+            // flake8-unused-arguments
+            CheckKind::UnusedFunctionArgument(name) => {
+                format!("Unused function argument: `{name}`")
+            }
+            CheckKind::UnusedMethodArgument(name) => format!("Unused method argument: `{name}`"),
+            CheckKind::UnusedClassMethodArgument(name) => {
+                format!("Unused class method argument: `{name}`")
+            }
+            CheckKind::UnusedStaticMethodArgument(name) => {
+                format!("Unused static method argument: `{name}`")
+            }
+            CheckKind::UnusedLambdaArgument(name) => format!("Unused lambda argument: `{name}`"),
+            // flake8-import-conventions
+            CheckKind::ImportAliasIsNotConventional(name, asname) => {
+                format!("`{name}` should be imported as `{asname}`")
+            }
             // Ruff
             CheckKind::AmbiguousUnicodeCharacterString(confusable, representant) => {
                 format!(
@@ -2489,7 +2599,6 @@ impl CheckKind {
                 | CheckKind::BlankLineBeforeSection(..)
                 | CheckKind::CapitalizeSectionName(..)
                 | CheckKind::CommentedOutCode
-                | CheckKind::ConsiderUsingSysExit
                 | CheckKind::ConvertNamedTupleFunctionalToClass(..)
                 | CheckKind::ConvertTypedDictFunctionalToClass(..)
                 | CheckKind::DashedUnderlineAfterSection(..)
@@ -2497,6 +2606,8 @@ impl CheckKind {
                 | CheckKind::DoNotAssertFalse
                 | CheckKind::DoNotAssignLambda
                 | CheckKind::DuplicateHandlerException(..)
+                | CheckKind::EndsInPeriod
+                | CheckKind::EndsInPunctuation
                 | CheckKind::GetAttrWithConstant
                 | CheckKind::ImplicitReturn
                 | CheckKind::ImplicitReturnValue
@@ -2553,6 +2664,7 @@ impl CheckKind {
                 | CheckKind::UnusedNOQA(..)
                 | CheckKind::UsePEP585Annotation(..)
                 | CheckKind::UsePEP604Annotation
+                | CheckKind::UseSysExit(..)
                 | CheckKind::UselessImportAlias
                 | CheckKind::UselessMetaclassType
                 | CheckKind::UselessObjectInheritance(..)
@@ -2584,7 +2696,7 @@ impl Check {
 }
 
 /// A hash map from deprecated to latest `CheckCode`.
-pub static REDIRECTS: Lazy<FxHashMap<&'static str, CheckCode>> = Lazy::new(|| {
+pub static CODE_REDIRECTS: Lazy<FxHashMap<&'static str, CheckCode>> = Lazy::new(|| {
     FxHashMap::from_iter([
         // TODO(charlie): Remove by 2023-01-01.
         ("U001", CheckCode::UP001),
@@ -2601,6 +2713,25 @@ pub static REDIRECTS: Lazy<FxHashMap<&'static str, CheckCode>> = Lazy::new(|| {
         ("U013", CheckCode::UP013),
         ("U014", CheckCode::UP014),
         ("U015", CheckCode::UP015),
+        // TODO(charlie): Remove by 2023-02-01.
+        ("I252", CheckCode::TID252),
+        ("M001", CheckCode::RUF100),
+    ])
+});
+
+/// A hash map from deprecated `CheckCodePrefix` to latest `CheckCodePrefix`.
+pub static PREFIX_REDIRECTS: Lazy<FxHashMap<&'static str, &'static str>> = Lazy::new(|| {
+    FxHashMap::from_iter([
+        // TODO(charlie): Remove by 2023-01-01.
+        ("U", "UP"),
+        ("U0", "UP0"),
+        ("U00", "UP00"),
+        ("U01", "UP01"),
+        // TODO(charlie): Remove by 2023-02-01.
+        ("I2", "TID2"),
+        ("I25", "TID25"),
+        ("M", "RUF100"),
+        ("M0", "RUF100"),
     ])
 });
 

src/checks_gen.rs

@@ -2,11 +2,13 @@
 
 use colored::Colorize;
 use serde::{Deserialize, Serialize};
-use strum_macros::EnumString;
+use strum_macros::{AsRefStr, EnumString};
 
 use crate::checks::CheckCode;
 
-#[derive(EnumString, Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize, Deserialize)]
+#[derive(
+    EnumString, AsRefStr, Debug, PartialEq, Eq, PartialOrd, Ord, Clone, Serialize, Deserialize,
+)]
 pub enum CheckCodePrefix {
     A,
     A0,
@@ -34,6 +36,14 @@ pub enum CheckCodePrefix {
     ANN4,
     ANN40,
     ANN401,
+    ARG,
+    ARG0,
+    ARG00,
+    ARG001,
+    ARG002,
+    ARG003,
+    ARG004,
+    ARG005,
     B,
     B0,
     B00,
@@ -68,6 +78,7 @@ pub enum CheckCodePrefix {
     B9,
     B90,
     B904,
+    B905,
     BLE,
     BLE0,
     BLE00,
@@ -256,6 +267,13 @@ pub enum CheckCodePrefix {
     I2,
     I25,
     I252,
+    ICN,
+    ICN0,
+    ICN00,
+    ICN001,
+    M,
+    M0,
+    M001,
     N,
     N8,
     N80,
@@ -360,6 +378,10 @@ pub enum CheckCodePrefix {
     T20,
     T201,
     T203,
+    TID,
+    TID2,
+    TID25,
+    TID252,
     U,
     U0,
     U00,
@@ -485,6 +507,32 @@ impl CheckCodePrefix {
             CheckCodePrefix::ANN4 => vec![CheckCode::ANN401],
             CheckCodePrefix::ANN40 => vec![CheckCode::ANN401],
             CheckCodePrefix::ANN401 => vec![CheckCode::ANN401],
+            CheckCodePrefix::ARG => vec![
+                CheckCode::ARG001,
+                CheckCode::ARG002,
+                CheckCode::ARG003,
+                CheckCode::ARG004,
+                CheckCode::ARG005,
+            ],
+            CheckCodePrefix::ARG0 => vec![
+                CheckCode::ARG001,
+                CheckCode::ARG002,
+                CheckCode::ARG003,
+                CheckCode::ARG004,
+                CheckCode::ARG005,
+            ],
+            CheckCodePrefix::ARG00 => vec![
+                CheckCode::ARG001,
+                CheckCode::ARG002,
+                CheckCode::ARG003,
+                CheckCode::ARG004,
+                CheckCode::ARG005,
+            ],
+            CheckCodePrefix::ARG001 => vec![CheckCode::ARG001],
+            CheckCodePrefix::ARG002 => vec![CheckCode::ARG002],
+            CheckCodePrefix::ARG003 => vec![CheckCode::ARG003],
+            CheckCodePrefix::ARG004 => vec![CheckCode::ARG004],
+            CheckCodePrefix::ARG005 => vec![CheckCode::ARG005],
             CheckCodePrefix::B => vec![
                 CheckCode::B002,
                 CheckCode::B003,
@@ -513,6 +561,7 @@ impl CheckCodePrefix {
                 CheckCode::B026,
                 CheckCode::B027,
                 CheckCode::B904,
+                CheckCode::B905,
             ],
             CheckCodePrefix::B0 => vec![
                 CheckCode::B002,
@@ -600,9 +649,10 @@ impl CheckCodePrefix {
             CheckCodePrefix::B025 => vec![CheckCode::B025],
             CheckCodePrefix::B026 => vec![CheckCode::B026],
             CheckCodePrefix::B027 => vec![CheckCode::B027],
-            CheckCodePrefix::B9 => vec![CheckCode::B904],
-            CheckCodePrefix::B90 => vec![CheckCode::B904],
+            CheckCodePrefix::B9 => vec![CheckCode::B904, CheckCode::B905],
+            CheckCodePrefix::B90 => vec![CheckCode::B904, CheckCode::B905],
             CheckCodePrefix::B904 => vec![CheckCode::B904],
+            CheckCodePrefix::B905 => vec![CheckCode::B905],
             CheckCodePrefix::BLE => vec![CheckCode::BLE001],
             CheckCodePrefix::BLE0 => vec![CheckCode::BLE001],
             CheckCodePrefix::BLE00 => vec![CheckCode::BLE001],
@@ -1131,13 +1181,68 @@ impl CheckCodePrefix {
             CheckCodePrefix::FBT001 => vec![CheckCode::FBT001],
             CheckCodePrefix::FBT002 => vec![CheckCode::FBT002],
             CheckCodePrefix::FBT003 => vec![CheckCode::FBT003],
-            CheckCodePrefix::I => vec![CheckCode::I252, CheckCode::I001],
+            CheckCodePrefix::I => vec![CheckCode::I001],
             CheckCodePrefix::I0 => vec![CheckCode::I001],
             CheckCodePrefix::I00 => vec![CheckCode::I001],
             CheckCodePrefix::I001 => vec![CheckCode::I001],
-            CheckCodePrefix::I2 => vec![CheckCode::I252],
-            CheckCodePrefix::I25 => vec![CheckCode::I252],
-            CheckCodePrefix::I252 => vec![CheckCode::I252],
+            CheckCodePrefix::I2 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`I2` has been remapped to `TID2`".bold()
+                );
+                vec![CheckCode::TID252]
+            }
+            CheckCodePrefix::I25 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`I25` has been remapped to `TID25`".bold()
+                );
+                vec![CheckCode::TID252]
+            }
+            CheckCodePrefix::I252 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`I252` has been remapped to `TID252`".bold()
+                );
+                vec![CheckCode::TID252]
+            }
+            CheckCodePrefix::ICN => vec![CheckCode::ICN001],
+            CheckCodePrefix::ICN0 => vec![CheckCode::ICN001],
+            CheckCodePrefix::ICN00 => vec![CheckCode::ICN001],
+            CheckCodePrefix::ICN001 => vec![CheckCode::ICN001],
+            CheckCodePrefix::M => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`M` has been remapped to `RUF100`".bold()
+                );
+                vec![CheckCode::RUF100]
+            }
+            CheckCodePrefix::M0 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`M0` has been remapped to `RUF100`".bold()
+                );
+                vec![CheckCode::RUF100]
+            }
+            CheckCodePrefix::M001 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`M001` has been remapped to `RUF100`".bold()
+                );
+                vec![CheckCode::RUF100]
+            }
             CheckCodePrefix::N => vec![
                 CheckCode::N801,
                 CheckCode::N802,
@@ -1366,54 +1471,82 @@ impl CheckCodePrefix {
             CheckCodePrefix::T20 => vec![CheckCode::T201, CheckCode::T203],
             CheckCodePrefix::T201 => vec![CheckCode::T201],
             CheckCodePrefix::T203 => vec![CheckCode::T203],
-            CheckCodePrefix::U => vec![
-                CheckCode::UP001,
-                CheckCode::UP003,
-                CheckCode::UP004,
-                CheckCode::UP005,
-                CheckCode::UP006,
-                CheckCode::UP007,
-                CheckCode::UP008,
-                CheckCode::UP009,
-                CheckCode::UP010,
-                CheckCode::UP011,
-                CheckCode::UP012,
-                CheckCode::UP013,
-                CheckCode::UP014,
-                CheckCode::UP015,
-            ],
-            CheckCodePrefix::U0 => vec![
-                CheckCode::UP001,
-                CheckCode::UP003,
-                CheckCode::UP004,
-                CheckCode::UP005,
-                CheckCode::UP006,
-                CheckCode::UP007,
-                CheckCode::UP008,
-                CheckCode::UP009,
-                CheckCode::UP010,
-                CheckCode::UP011,
-                CheckCode::UP012,
-                CheckCode::UP013,
-                CheckCode::UP014,
-                CheckCode::UP015,
-            ],
-            CheckCodePrefix::U00 => vec![
-                CheckCode::UP001,
-                CheckCode::UP003,
-                CheckCode::UP004,
-                CheckCode::UP005,
-                CheckCode::UP006,
-                CheckCode::UP007,
-                CheckCode::UP008,
-                CheckCode::UP009,
-            ],
+            CheckCodePrefix::TID => vec![CheckCode::TID252],
+            CheckCodePrefix::TID2 => vec![CheckCode::TID252],
+            CheckCodePrefix::TID25 => vec![CheckCode::TID252],
+            CheckCodePrefix::TID252 => vec![CheckCode::TID252],
+            CheckCodePrefix::U => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`U` has been remapped to `UP`".bold()
+                );
+                vec![
+                    CheckCode::UP001,
+                    CheckCode::UP003,
+                    CheckCode::UP004,
+                    CheckCode::UP005,
+                    CheckCode::UP006,
+                    CheckCode::UP007,
+                    CheckCode::UP008,
+                    CheckCode::UP009,
+                    CheckCode::UP010,
+                    CheckCode::UP011,
+                    CheckCode::UP012,
+                    CheckCode::UP013,
+                    CheckCode::UP014,
+                    CheckCode::UP015,
+                ]
+            }
+            CheckCodePrefix::U0 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`U0` has been remapped to `UP0`".bold()
+                );
+                vec![
+                    CheckCode::UP001,
+                    CheckCode::UP003,
+                    CheckCode::UP004,
+                    CheckCode::UP005,
+                    CheckCode::UP006,
+                    CheckCode::UP007,
+                    CheckCode::UP008,
+                    CheckCode::UP009,
+                    CheckCode::UP010,
+                    CheckCode::UP011,
+                    CheckCode::UP012,
+                    CheckCode::UP013,
+                    CheckCode::UP014,
+                    CheckCode::UP015,
+                ]
+            }
+            CheckCodePrefix::U00 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`U00` has been remapped to `UP00`".bold()
+                );
+                vec![
+                    CheckCode::UP001,
+                    CheckCode::UP003,
+                    CheckCode::UP004,
+                    CheckCode::UP005,
+                    CheckCode::UP006,
+                    CheckCode::UP007,
+                    CheckCode::UP008,
+                    CheckCode::UP009,
+                ]
+            }
             CheckCodePrefix::U001 => {
                 eprintln!(
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U001` has been renamed to `UP001`".bold()
+                    "`U001` has been remapped to `UP001`".bold()
                 );
                 vec![CheckCode::UP001]
             }
@@ -1422,7 +1555,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U003` has been renamed to `UP003`".bold()
+                    "`U003` has been remapped to `UP003`".bold()
                 );
                 vec![CheckCode::UP003]
             }
@@ -1431,7 +1564,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U004` has been renamed to `UP004`".bold()
+                    "`U004` has been remapped to `UP004`".bold()
                 );
                 vec![CheckCode::UP004]
             }
@@ -1440,7 +1573,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U005` has been renamed to `UP005`".bold()
+                    "`U005` has been remapped to `UP005`".bold()
                 );
                 vec![CheckCode::UP005]
             }
@@ -1449,7 +1582,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U006` has been renamed to `UP006`".bold()
+                    "`U006` has been remapped to `UP006`".bold()
                 );
                 vec![CheckCode::UP006]
             }
@@ -1458,7 +1591,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U007` has been renamed to `UP007`".bold()
+                    "`U007` has been remapped to `UP007`".bold()
                 );
                 vec![CheckCode::UP007]
             }
@@ -1467,7 +1600,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U008` has been renamed to `UP008`".bold()
+                    "`U008` has been remapped to `UP008`".bold()
                 );
                 vec![CheckCode::UP008]
             }
@@ -1476,24 +1609,32 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U009` has been renamed to `UP009`".bold()
+                    "`U009` has been remapped to `UP009`".bold()
                 );
                 vec![CheckCode::UP009]
             }
-            CheckCodePrefix::U01 => vec![
-                CheckCode::UP010,
-                CheckCode::UP011,
-                CheckCode::UP012,
-                CheckCode::UP013,
-                CheckCode::UP014,
-                CheckCode::UP015,
-            ],
+            CheckCodePrefix::U01 => {
+                eprintln!(
+                    "{}{} {}",
+                    "warning".yellow().bold(),
+                    ":".bold(),
+                    "`U01` has been remapped to `UP01`".bold()
+                );
+                vec![
+                    CheckCode::UP010,
+                    CheckCode::UP011,
+                    CheckCode::UP012,
+                    CheckCode::UP013,
+                    CheckCode::UP014,
+                    CheckCode::UP015,
+                ]
+            }
             CheckCodePrefix::U010 => {
                 eprintln!(
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U010` has been renamed to `UP010`".bold()
+                    "`U010` has been remapped to `UP010`".bold()
                 );
                 vec![CheckCode::UP010]
             }
@@ -1502,7 +1643,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U011` has been renamed to `UP011`".bold()
+                    "`U011` has been remapped to `UP011`".bold()
                 );
                 vec![CheckCode::UP011]
             }
@@ -1511,7 +1652,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U012` has been renamed to `UP012`".bold()
+                    "`U012` has been remapped to `UP012`".bold()
                 );
                 vec![CheckCode::UP012]
             }
@@ -1520,7 +1661,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U013` has been renamed to `UP013`".bold()
+                    "`U013` has been remapped to `UP013`".bold()
                 );
                 vec![CheckCode::UP013]
             }
@@ -1529,7 +1670,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U014` has been renamed to `UP014`".bold()
+                    "`U014` has been remapped to `UP014`".bold()
                 );
                 vec![CheckCode::UP014]
             }
@@ -1538,7 +1679,7 @@ impl CheckCodePrefix {
                     "{}{} {}",
                     "warning".yellow().bold(),
                     ":".bold(),
-                    "`U015` has been renamed to `UP015`".bold()
+                    "`U015` has been remapped to `UP015`".bold()
                 );
                 vec![CheckCode::UP015]
             }
@@ -1685,6 +1826,14 @@ impl CheckCodePrefix {
             CheckCodePrefix::ANN4 => SuffixLength::One,
             CheckCodePrefix::ANN40 => SuffixLength::Two,
             CheckCodePrefix::ANN401 => SuffixLength::Three,
+            CheckCodePrefix::ARG => SuffixLength::Zero,
+            CheckCodePrefix::ARG0 => SuffixLength::One,
+            CheckCodePrefix::ARG00 => SuffixLength::Two,
+            CheckCodePrefix::ARG001 => SuffixLength::Three,
+            CheckCodePrefix::ARG002 => SuffixLength::Three,
+            CheckCodePrefix::ARG003 => SuffixLength::Three,
+            CheckCodePrefix::ARG004 => SuffixLength::Three,
+            CheckCodePrefix::ARG005 => SuffixLength::Three,
             CheckCodePrefix::B => SuffixLength::Zero,
             CheckCodePrefix::B0 => SuffixLength::One,
             CheckCodePrefix::B00 => SuffixLength::Two,
@@ -1719,6 +1868,7 @@ impl CheckCodePrefix {
             CheckCodePrefix::B9 => SuffixLength::One,
             CheckCodePrefix::B90 => SuffixLength::Two,
             CheckCodePrefix::B904 => SuffixLength::Three,
+            CheckCodePrefix::B905 => SuffixLength::Three,
             CheckCodePrefix::BLE => SuffixLength::Zero,
             CheckCodePrefix::BLE0 => SuffixLength::One,
             CheckCodePrefix::BLE00 => SuffixLength::Two,
@@ -1907,6 +2057,13 @@ impl CheckCodePrefix {
             CheckCodePrefix::I2 => SuffixLength::One,
             CheckCodePrefix::I25 => SuffixLength::Two,
             CheckCodePrefix::I252 => SuffixLength::Three,
+            CheckCodePrefix::ICN => SuffixLength::Zero,
+            CheckCodePrefix::ICN0 => SuffixLength::One,
+            CheckCodePrefix::ICN00 => SuffixLength::Two,
+            CheckCodePrefix::ICN001 => SuffixLength::Three,
+            CheckCodePrefix::M => SuffixLength::Zero,
+            CheckCodePrefix::M0 => SuffixLength::One,
+            CheckCodePrefix::M001 => SuffixLength::Three,
             CheckCodePrefix::N => SuffixLength::Zero,
             CheckCodePrefix::N8 => SuffixLength::One,
             CheckCodePrefix::N80 => SuffixLength::Two,
@@ -2011,6 +2168,10 @@ impl CheckCodePrefix {
             CheckCodePrefix::T20 => SuffixLength::Two,
             CheckCodePrefix::T201 => SuffixLength::Three,
             CheckCodePrefix::T203 => SuffixLength::Three,
+            CheckCodePrefix::TID => SuffixLength::Zero,
+            CheckCodePrefix::TID2 => SuffixLength::One,
+            CheckCodePrefix::TID25 => SuffixLength::Two,
+            CheckCodePrefix::TID252 => SuffixLength::Three,
             CheckCodePrefix::U => SuffixLength::Zero,
             CheckCodePrefix::U0 => SuffixLength::One,
             CheckCodePrefix::U00 => SuffixLength::Two,
@@ -2078,6 +2239,7 @@ impl CheckCodePrefix {
 pub const CATEGORIES: &[CheckCodePrefix] = &[
     CheckCodePrefix::A,
     CheckCodePrefix::ANN,
+    CheckCodePrefix::ARG,
     CheckCodePrefix::B,
     CheckCodePrefix::BLE,
     CheckCodePrefix::C,
@@ -2087,6 +2249,7 @@ pub const CATEGORIES: &[CheckCodePrefix] = &[
     CheckCodePrefix::F,
     CheckCodePrefix::FBT,
     CheckCodePrefix::I,
+    CheckCodePrefix::ICN,
     CheckCodePrefix::N,
     CheckCodePrefix::PGH,
     CheckCodePrefix::PLC,
@@ -2098,7 +2261,7 @@ pub const CATEGORIES: &[CheckCodePrefix] = &[
     CheckCodePrefix::RUF,
     CheckCodePrefix::S,
     CheckCodePrefix::T,
-    CheckCodePrefix::U,
+    CheckCodePrefix::TID,
     CheckCodePrefix::UP,
     CheckCodePrefix::W,
     CheckCodePrefix::YTT,

src/directives.rs

@@ -93,32 +93,34 @@ pub fn extract_isort_directives(lxr: &[LexResult], locator: &SourceCodeLocator)
             continue;
         }
 
-        if matches!(tok, Tok::Comment) {
-            // TODO(charlie): Modify RustPython to include the comment text in the token.
-            let comment_text = locator.slice_source_code_range(&Range {
-                location: start,
-                end_location: end,
-            });
+        if !matches!(tok, Tok::Comment) {
+            continue;
+        }
 
-            if comment_text == "# isort: split" {
-                splits.push(start.row());
-            } else if comment_text == "# isort: skip_file" {
-                skip_file = true;
-            } else if off.is_some() {
-                if comment_text == "# isort: on" {
-                    if let Some(start) = off {
-                        for row in start.row() + 1..=end.row() {
-                            exclusions.insert(row);
-                        }
+        // TODO(charlie): Modify RustPython to include the comment text in the token.
+        let comment_text = locator.slice_source_code_range(&Range {
+            location: start,
+            end_location: end,
+        });
+
+        if comment_text == "# isort: split" {
+            splits.push(start.row());
+        } else if comment_text == "# isort: skip_file" {
+            skip_file = true;
+        } else if off.is_some() {
+            if comment_text == "# isort: on" {
+                if let Some(start) = off {
+                    for row in start.row() + 1..=end.row() {
+                        exclusions.insert(row);
                     }
-                    off = None;
-                }
-            } else {
-                if comment_text.contains("isort: skip") {
-                    exclusions.insert(start.row());
-                } else if comment_text == "# isort: off" {
-                    off = Some(start);
                 }
+                off = None;
+            }
+        } else {
+            if comment_text.contains("isort: skip") {
+                exclusions.insert(start.row());
+            } else if comment_text == "# isort: off" {
+                off = Some(start);
             }
         }
     }

src/flake8_annotations/helpers.rs

@@ -0,0 +1,63 @@
+use rustpython_ast::{Arguments, Expr, Stmt, StmtKind};
+
+use crate::ast::cast;
+use crate::check_ast::Checker;
+use crate::docstrings::definition::{Definition, DefinitionKind};
+use crate::visibility;
+
+pub(super) fn match_function_def(
+    stmt: &Stmt,
+) -> (&str, &Arguments, &Option<Box<Expr>>, &Vec<Stmt>) {
+    match &stmt.node {
+        StmtKind::FunctionDef {
+            name,
+            args,
+            returns,
+            body,
+            ..
+        }
+        | StmtKind::AsyncFunctionDef {
+            name,
+            args,
+            returns,
+            body,
+            ..
+        } => (name, args, returns, body),
+        _ => panic!("Found non-FunctionDef in match_name"),
+    }
+}
+
+/// Return the name of the function, if it's overloaded.
+pub fn overloaded_name(checker: &Checker, definition: &Definition) -> Option<String> {
+    if let DefinitionKind::Function(stmt)
+    | DefinitionKind::NestedFunction(stmt)
+    | DefinitionKind::Method(stmt) = definition.kind
+    {
+        if visibility::is_overload(checker, cast::decorator_list(stmt)) {
+            let (name, ..) = match_function_def(stmt);
+            Some(name.to_string())
+        } else {
+            None
+        }
+    } else {
+        None
+    }
+}
+
+/// Return `true` if the definition is the implementation for an overloaded
+/// function.
+pub fn is_overload_impl(checker: &Checker, definition: &Definition, overloaded_name: &str) -> bool {
+    if let DefinitionKind::Function(stmt)
+    | DefinitionKind::NestedFunction(stmt)
+    | DefinitionKind::Method(stmt) = definition.kind
+    {
+        if visibility::is_overload(checker, cast::decorator_list(stmt)) {
+            false
+        } else {
+            let (name, ..) = match_function_def(stmt);
+            name == overloaded_name
+        }
+    } else {
+        false
+    }
+}

src/flake8_annotations/mod.rs

@@ -1,3 +1,4 @@
+pub mod helpers;
 pub mod plugins;
 pub mod settings;
 
@@ -134,4 +135,24 @@ mod tests {
         insta::assert_yaml_snapshot!(checks);
         Ok(())
     }
+
+    #[test]
+    fn allow_overload() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/flake8_annotations/allow_overload.py"),
+            &Settings {
+                ..Settings::for_rules(vec![
+                    CheckCode::ANN201,
+                    CheckCode::ANN202,
+                    CheckCode::ANN204,
+                    CheckCode::ANN205,
+                    CheckCode::ANN206,
+                ])
+            },
+            true,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
 }

src/flake8_annotations/plugins.rs

@@ -1,11 +1,12 @@
-use rustpython_ast::{Arguments, Constant, Expr, ExprKind, Stmt, StmtKind};
+use rustpython_ast::{Constant, Expr, ExprKind, Stmt, StmtKind};
 
 use crate::ast::types::Range;
-use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
+use crate::ast::{cast, visitor};
 use crate::check_ast::Checker;
 use crate::checks::{CheckCode, CheckKind};
 use crate::docstrings::definition::{Definition, DefinitionKind};
+use crate::flake8_annotations::helpers::match_function_def;
 use crate::visibility::Visibility;
 use crate::{visibility, Check};
 
@@ -61,26 +62,6 @@ where
     };
 }
 
-fn match_function_def(stmt: &Stmt) -> (&str, &Arguments, &Option<Box<Expr>>, &Vec<Stmt>) {
-    match &stmt.node {
-        StmtKind::FunctionDef {
-            name,
-            args,
-            returns,
-            body,
-            ..
-        }
-        | StmtKind::AsyncFunctionDef {
-            name,
-            args,
-            returns,
-            body,
-            ..
-        } => (name, args, returns, body),
-        _ => panic!("Found non-FunctionDef in match_name"),
-    }
-}
-
 /// Generate flake8-annotation checks for a given `Definition`.
 pub fn definition(checker: &mut Checker, definition: &Definition, visibility: &Visibility) {
     // TODO(charlie): Consider using the AST directly here rather than `Definition`.
@@ -211,7 +192,10 @@ pub fn definition(checker: &mut Checker, definition: &Definition, visibility: &V
                 .chain(args.kwonlyargs.iter())
                 .skip(
                     // If this is a non-static method, skip `cls` or `self`.
-                    usize::from(!visibility::is_staticmethod(checker, stmt)),
+                    usize::from(!visibility::is_staticmethod(
+                        checker,
+                        cast::decorator_list(stmt),
+                    )),
                 )
             {
                 // ANN401 for dynamically typed arguments
@@ -283,10 +267,10 @@ pub fn definition(checker: &mut Checker, definition: &Definition, visibility: &V
             }
 
             // ANN101, ANN102
-            if !visibility::is_staticmethod(checker, stmt) {
+            if !visibility::is_staticmethod(checker, cast::decorator_list(stmt)) {
                 if let Some(arg) = args.args.first() {
                     if arg.node.annotation.is_none() {
-                        if visibility::is_classmethod(checker, stmt) {
+                        if visibility::is_classmethod(checker, cast::decorator_list(stmt)) {
                             if checker.settings.enabled.contains(&CheckCode::ANN102) {
                                 checker.add_check(Check::new(
                                     CheckKind::MissingTypeCls(arg.node.arg.to_string()),
@@ -319,14 +303,14 @@ pub fn definition(checker: &mut Checker, definition: &Definition, visibility: &V
                     return;
                 }
 
-                if visibility::is_classmethod(checker, stmt) {
+                if visibility::is_classmethod(checker, cast::decorator_list(stmt)) {
                     if checker.settings.enabled.contains(&CheckCode::ANN206) {
                         checker.add_check(Check::new(
                             CheckKind::MissingReturnTypeClassMethod(name.to_string()),
                             Range::from_located(stmt),
                         ));
                     }
-                } else if visibility::is_staticmethod(checker, stmt) {
+                } else if visibility::is_staticmethod(checker, cast::decorator_list(stmt)) {
                     if checker.settings.enabled.contains(&CheckCode::ANN205) {
                         checker.add_check(Check::new(
                             CheckKind::MissingReturnTypeStaticMethod(name.to_string()),

src/flake8_annotations/settings.rs

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

src/flake8_annotations/snapshots/ruff__flake8_annotations__tests__allow_overload.snap

@@ -0,0 +1,14 @@
+---
+source: src/flake8_annotations/mod.rs
+expression: checks
+---
+- kind:
+    MissingReturnTypePublicFunction: bar
+  location:
+    row: 29
+    column: 4
+  end_location:
+    row: 35
+    column: 0
+  fix: ~
+

src/flake8_blind_except/plugins.rs

@@ -1,21 +1,42 @@
-use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind};
+use rustpython_ast::{Expr, ExprKind, Stmt, StmtKind};
 
 use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};
 
-pub fn blind_except(checker: &mut Checker, handlers: &[Excepthandler]) {
-    for handler in handlers {
-        let ExcepthandlerKind::ExceptHandler { type_: Some(type_), .. } = &handler.node else {
-            continue;
-        };
-        let ExprKind::Name { id, .. } = &type_.node else {
-            continue;
-        };
-        for exception in ["BaseException", "Exception"] {
-            if id == exception {
+/// BLE001
+pub fn blind_except(
+    checker: &mut Checker,
+    type_: Option<&Expr>,
+    name: Option<&str>,
+    body: &[Stmt],
+) {
+    let Some(type_) = type_ else {
+        return;
+    };
+    let ExprKind::Name { id, .. } = &type_.node else {
+        return;
+    };
+    for exception in ["BaseException", "Exception"] {
+        if id == exception && checker.is_builtin(exception) {
+            // If the exception is re-raised, don't flag an error.
+            if !body.iter().any(|stmt| {
+                if let StmtKind::Raise { exc, .. } = &stmt.node {
+                    if let Some(exc) = exc {
+                        if let ExprKind::Name { id, .. } = &exc.node {
+                            name.map_or(false, |name| name == id)
+                        } else {
+                            false
+                        }
+                    } else {
+                        true
+                    }
+                } else {
+                    false
+                }
+            }) {
                 checker.add_check(Check::new(
-                    CheckKind::BlindExcept,
+                    CheckKind::BlindExcept(id.to_string()),
                     Range::from_located(type_),
                 ));
             }

src/flake8_blind_except/snapshots/ruff__flake8_blind_except__tests__BLE001_BLE.py.snap

@@ -2,31 +2,8 @@
 source: src/flake8_blind_except/mod.rs
 expression: checks
 ---
-- kind: BlindExcept
-  location:
-    row: 5
-    column: 7
-  end_location:
-    row: 5
-    column: 16
-  fix: ~
-- kind: BlindExcept
-  location:
-    row: 13
-    column: 7
-  end_location:
-    row: 13
-    column: 20
-  fix: ~
-- kind: BlindExcept
-  location:
-    row: 23
-    column: 7
-  end_location:
-    row: 23
-    column: 16
-  fix: ~
-- kind: BlindExcept
+- kind:
+    BlindExcept: BaseException
   location:
     row: 25
     column: 7
@@ -34,7 +11,8 @@ expression: checks
     row: 25
     column: 20
   fix: ~
-- kind: BlindExcept
+- kind:
+    BlindExcept: Exception
   location:
     row: 31
     column: 7
@@ -42,15 +20,8 @@ expression: checks
     row: 31
     column: 16
   fix: ~
-- kind: BlindExcept
-  location:
-    row: 36
-    column: 11
-  end_location:
-    row: 36
-    column: 24
-  fix: ~
-- kind: BlindExcept
+- kind:
+    BlindExcept: Exception
   location:
     row: 42
     column: 7
@@ -58,7 +29,8 @@ expression: checks
     row: 42
     column: 16
   fix: ~
-- kind: BlindExcept
+- kind:
+    BlindExcept: BaseException
   location:
     row: 45
     column: 11
@@ -66,15 +38,8 @@ expression: checks
     row: 45
     column: 24
   fix: ~
-- kind: BlindExcept
-  location:
-    row: 52
-    column: 11
-  end_location:
-    row: 52
-    column: 24
-  fix: ~
-- kind: BlindExcept
+- kind:
+    BlindExcept: Exception
   location:
     row: 54
     column: 7
@@ -82,4 +47,22 @@ expression: checks
     row: 54
     column: 16
   fix: ~
+- kind:
+    BlindExcept: Exception
+  location:
+    row: 60
+    column: 7
+  end_location:
+    row: 60
+    column: 16
+  fix: ~
+- kind:
+    BlindExcept: BaseException
+  location:
+    row: 62
+    column: 7
+  end_location:
+    row: 62
+    column: 20
+  fix: ~
 

src/flake8_bugbear/mod.rs

@@ -39,6 +39,7 @@ mod tests {
     #[test_case(CheckCode::B026, Path::new("B026.py"); "B026")]
     #[test_case(CheckCode::B027, Path::new("B027.py"); "B027")]
     #[test_case(CheckCode::B904, Path::new("B904.py"); "B904")]
+    #[test_case(CheckCode::B905, Path::new("B905.py"); "B905")]
     fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
         let snapshot = format!("{}_{}", check_code.as_ref(), path.to_string_lossy());
         let mut checks = test_path(

src/flake8_bugbear/plugins/duplicate_exceptions.rs

@@ -1,6 +1,5 @@
-use std::collections::BTreeSet;
-
 use itertools::Itertools;
+use rustc_hash::FxHashSet;
 use rustpython_ast::{
     Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind, Location, Stmt,
 };
@@ -27,9 +26,9 @@ fn duplicate_handler_exceptions<'a>(
     checker: &mut Checker,
     expr: &'a Expr,
     elts: &'a [Expr],
-) -> BTreeSet<Vec<&'a str>> {
-    let mut seen: BTreeSet<Vec<&str>> = BTreeSet::default();
-    let mut duplicates: BTreeSet<Vec<&str>> = BTreeSet::default();
+) -> FxHashSet<Vec<&'a str>> {
+    let mut seen: FxHashSet<Vec<&str>> = FxHashSet::default();
+    let mut duplicates: FxHashSet<Vec<&str>> = FxHashSet::default();
     let mut unique_elts: Vec<&Expr> = Vec::default();
     for type_ in elts {
         let call_path = helpers::collect_call_paths(type_);
@@ -76,8 +75,8 @@ fn duplicate_handler_exceptions<'a>(
 }
 
 pub fn duplicate_exceptions(checker: &mut Checker, stmt: &Stmt, handlers: &[Excepthandler]) {
-    let mut seen: BTreeSet<Vec<&str>> = BTreeSet::default();
-    let mut duplicates: BTreeSet<Vec<&str>> = BTreeSet::default();
+    let mut seen: FxHashSet<Vec<&str>> = FxHashSet::default();
+    let mut duplicates: FxHashSet<Vec<&str>> = FxHashSet::default();
     for handler in handlers {
         let ExcepthandlerKind::ExceptHandler { type_: Some(type_), .. } = &handler.node else {
             continue;

src/flake8_bugbear/plugins/mod.rs

@@ -23,6 +23,7 @@ pub use unused_loop_control_variable::unused_loop_control_variable;
 pub use useless_comparison::useless_comparison;
 pub use useless_contextlib_suppress::useless_contextlib_suppress;
 pub use useless_expression::useless_expression;
+pub use zip_without_explicit_strict::zip_without_explicit_strict;
 
 mod abstract_base_class;
 mod assert_false;
@@ -49,3 +50,4 @@ mod unused_loop_control_variable;
 mod useless_comparison;
 mod useless_contextlib_suppress;
 mod useless_expression;
+mod zip_without_explicit_strict;

src/flake8_bugbear/plugins/zip_without_explicit_strict.rs

@@ -0,0 +1,31 @@
+use rustpython_ast::{Expr, ExprKind, Keyword};
+
+use crate::ast::types::Range;
+use crate::check_ast::Checker;
+use crate::checks::{Check, CheckKind};
+
+/// B905
+pub fn zip_without_explicit_strict(
+    checker: &mut Checker,
+    expr: &Expr,
+    func: &Expr,
+    kwargs: &[Keyword],
+) {
+    if let ExprKind::Name { id, .. } = &func.node {
+        if id == "zip"
+            && checker.is_builtin("zip")
+            && !kwargs.iter().any(|keyword| {
+                keyword
+                    .node
+                    .arg
+                    .as_ref()
+                    .map_or(false, |name| name == "strict")
+            })
+        {
+            checker.add_check(Check::new(
+                CheckKind::ZipWithoutExplicitStrict,
+                Range::from_located(expr),
+            ));
+        }
+    }
+}

src/flake8_bugbear/settings.rs

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

src/flake8_bugbear/snapshots/ruff__flake8_bugbear__tests__B905_B905.py.snap

@@ -0,0 +1,61 @@
+---
+source: src/flake8_bugbear/mod.rs
+expression: checks
+---
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 1
+    column: 5
+  fix: ~
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 2
+    column: 13
+  fix: ~
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 3
+    column: 0
+  end_location:
+    row: 3
+    column: 13
+  fix: ~
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 24
+  fix: ~
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 4
+    column: 15
+  end_location:
+    row: 4
+    column: 23
+  fix: ~
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 5
+    column: 4
+  end_location:
+    row: 5
+    column: 12
+  fix: ~
+- kind: ZipWithoutExplicitStrict
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 26
+  fix: ~
+

src/flake8_import_conventions/checks.rs

@@ -0,0 +1,36 @@
+use rustc_hash::FxHashMap;
+use rustpython_ast::Stmt;
+
+use crate::ast::types::Range;
+use crate::checks::{Check, CheckKind};
+
+/// ICN001
+pub fn check_conventional_import(
+    import_from: &Stmt,
+    name: &str,
+    asname: Option<&str>,
+    conventions: &FxHashMap<String, String>,
+) -> Option<Check> {
+    let mut is_valid_import = true;
+    if let Some(expected_alias) = conventions.get(name) {
+        if !expected_alias.is_empty() {
+            if let Some(alias) = asname {
+                if expected_alias != alias {
+                    is_valid_import = false;
+                }
+            } else {
+                is_valid_import = false;
+            }
+        }
+        if !is_valid_import {
+            return Some(Check::new(
+                CheckKind::ImportAliasIsNotConventional(
+                    name.to_string(),
+                    expected_alias.to_string(),
+                ),
+                Range::from_located(import_from),
+            ));
+        }
+    }
+    None
+}

src/flake8_import_conventions/mod.rs

@@ -0,0 +1,101 @@
+pub mod checks;
+pub mod settings;
+
+#[cfg(test)]
+mod tests {
+
+    use std::path::Path;
+
+    use anyhow::Result;
+    use rustc_hash::FxHashMap;
+
+    use crate::checks::CheckCode;
+    use crate::linter::test_path;
+    use crate::{flake8_import_conventions, Settings};
+
+    #[test]
+    fn defaults() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/flake8_import_conventions/defaults.py"),
+            &Settings::for_rule(CheckCode::ICN001),
+            true,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!("defaults", checks);
+        Ok(())
+    }
+
+    #[test]
+    fn custom() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/flake8_import_conventions/custom.py"),
+            &Settings {
+                flake8_import_conventions:
+                    flake8_import_conventions::settings::Settings::from_options(
+                        flake8_import_conventions::settings::Options {
+                            aliases: None,
+                            extend_aliases: Some(FxHashMap::from_iter([
+                                ("dask.array".to_string(), "da".to_string()),
+                                ("dask.dataframe".to_string(), "dd".to_string()),
+                            ])),
+                        },
+                    ),
+                ..Settings::for_rule(CheckCode::ICN001)
+            },
+            true,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!("custom", checks);
+        Ok(())
+    }
+
+    #[test]
+    fn remove_defaults() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/flake8_import_conventions/remove_default.py"),
+            &Settings {
+                flake8_import_conventions:
+                    flake8_import_conventions::settings::Settings::from_options(
+                        flake8_import_conventions::settings::Options {
+                            aliases: Some(FxHashMap::from_iter([
+                                ("altair".to_string(), "alt".to_string()),
+                                ("matplotlib.pyplot".to_string(), "plt".to_string()),
+                                ("pandas".to_string(), "pd".to_string()),
+                                ("seaborn".to_string(), "sns".to_string()),
+                            ])),
+                            extend_aliases: None,
+                        },
+                    ),
+                ..Settings::for_rule(CheckCode::ICN001)
+            },
+            true,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!("remove_default", checks);
+        Ok(())
+    }
+
+    #[test]
+    fn override_defaults() -> Result<()> {
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/flake8_import_conventions/override_default.py"),
+            &Settings {
+                flake8_import_conventions:
+                    flake8_import_conventions::settings::Settings::from_options(
+                        flake8_import_conventions::settings::Options {
+                            aliases: None,
+                            extend_aliases: Some(FxHashMap::from_iter([(
+                                "numpy".to_string(),
+                                "nmp".to_string(),
+                            )])),
+                        },
+                    ),
+                ..Settings::for_rule(CheckCode::ICN001)
+            },
+            true,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!("override_default", checks);
+        Ok(())
+    }
+}

src/flake8_import_conventions/settings.rs

@@ -0,0 +1,94 @@
+//! Settings for import conventions.
+
+use std::hash::{Hash, Hasher};
+
+use itertools::Itertools;
+use ruff_macros::ConfigurationOptions;
+use rustc_hash::FxHashMap;
+use serde::{Deserialize, Serialize};
+
+const CONVENTIONAL_ALIASES: &[(&str, &str)] = &[
+    ("altair", "alt"),
+    ("matplotlib.pyplot", "plt"),
+    ("numpy", "np"),
+    ("pandas", "pd"),
+    ("seaborn", "sns"),
+];
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
+#[serde(deny_unknown_fields, rename_all = "kebab-case")]
+pub struct Options {
+    #[option(
+        doc = "The conventional aliases for imports. These aliases can be extended by the \
+               `extend_aliases` option.",
+        default = r#"{"altair": "alt", "matplotlib.pyplot": "plt", "numpy": "np", "pandas": "pd", "seaborn": "sns"}"#,
+        value_type = "FxHashMap<String, String>",
+        example = r#"
+            # Declare the default aliases.
+            altair = "alt"
+            matplotlib.pyplot = "plt"
+            numpy = "np"
+            pandas = "pd"
+            seaborn = "sns"
+        "#
+    )]
+    pub aliases: Option<FxHashMap<String, String>>,
+    #[option(
+        doc = "A mapping of modules to their conventional import aliases. These aliases will be \
+               added to the `aliases` mapping.",
+        default = r#"{}"#,
+        value_type = "FxHashMap<String, String>",
+        example = r#"
+            # Declare a custom alias for the `matplotlib` module.
+            "dask.dataframe" = "dd"
+        "#
+    )]
+    pub extend_aliases: Option<FxHashMap<String, String>>,
+}
+
+#[derive(Debug)]
+pub struct Settings {
+    pub aliases: FxHashMap<String, String>,
+}
+
+impl Hash for Settings {
+    fn hash<H: Hasher>(&self, state: &mut H) {
+        for value in self.aliases.iter().sorted() {
+            value.hash(state);
+        }
+    }
+}
+
+fn default_aliases() -> FxHashMap<String, String> {
+    CONVENTIONAL_ALIASES
+        .iter()
+        .map(|(k, v)| ((*k).to_string(), (*v).to_string()))
+        .collect::<FxHashMap<_, _>>()
+}
+
+fn resolve_aliases(options: Options) -> FxHashMap<String, String> {
+    let mut aliases = match options.aliases {
+        Some(options_aliases) => options_aliases,
+        None => default_aliases(),
+    };
+    if let Some(extend_aliases) = options.extend_aliases {
+        aliases.extend(extend_aliases);
+    }
+    aliases
+}
+
+impl Settings {
+    pub fn from_options(options: Options) -> Self {
+        Self {
+            aliases: resolve_aliases(options),
+        }
+    }
+}
+
+impl Default for Settings {
+    fn default() -> Self {
+        Self {
+            aliases: default_aliases(),
+        }
+    }
+}

src/flake8_import_conventions/snapshots/ruff__flake8_import_conventions__tests__custom.snap

@@ -0,0 +1,159 @@
+---
+source: src/flake8_import_conventions/mod.rs
+expression: checks
+---
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 3
+    column: 0
+  end_location:
+    row: 3
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - dask.array
+      - da
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 17
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - dask.dataframe
+      - dd
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 5
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 24
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - numpy
+      - np
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 7
+    column: 12
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 8
+    column: 0
+  end_location:
+    row: 8
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 9
+    column: 14
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 11
+    column: 0
+  end_location:
+    row: 11
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 12
+    column: 0
+  end_location:
+    row: 12
+    column: 32
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - dask.array
+      - da
+  location:
+    row: 13
+    column: 0
+  end_location:
+    row: 13
+    column: 27
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - dask.dataframe
+      - dd
+  location:
+    row: 14
+    column: 0
+  end_location:
+    row: 14
+    column: 28
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - numpy
+      - np
+  location:
+    row: 15
+    column: 0
+  end_location:
+    row: 15
+    column: 19
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 16
+    column: 0
+  end_location:
+    row: 16
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 17
+    column: 0
+  end_location:
+    row: 17
+    column: 22
+  fix: ~
+

src/flake8_import_conventions/snapshots/ruff__flake8_import_conventions__tests__defaults.snap

@@ -0,0 +1,115 @@
+---
+source: src/flake8_import_conventions/mod.rs
+expression: checks
+---
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 3
+    column: 0
+  end_location:
+    row: 3
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 24
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - numpy
+      - np
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 5
+    column: 12
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 7
+    column: 14
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 9
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 10
+    column: 0
+  end_location:
+    row: 10
+    column: 32
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - numpy
+      - np
+  location:
+    row: 11
+    column: 0
+  end_location:
+    row: 11
+    column: 19
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 12
+    column: 0
+  end_location:
+    row: 12
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 13
+    column: 0
+  end_location:
+    row: 13
+    column: 22
+  fix: ~
+

src/flake8_import_conventions/snapshots/ruff__flake8_import_conventions__tests__override_default.snap

@@ -0,0 +1,115 @@
+---
+source: src/flake8_import_conventions/mod.rs
+expression: checks
+---
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 3
+    column: 0
+  end_location:
+    row: 3
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 24
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - numpy
+      - nmp
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 5
+    column: 12
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 7
+    column: 14
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 9
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 10
+    column: 0
+  end_location:
+    row: 10
+    column: 32
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - numpy
+      - nmp
+  location:
+    row: 11
+    column: 0
+  end_location:
+    row: 11
+    column: 18
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 12
+    column: 0
+  end_location:
+    row: 12
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 13
+    column: 0
+  end_location:
+    row: 13
+    column: 22
+  fix: ~
+

src/flake8_import_conventions/snapshots/ruff__flake8_import_conventions__tests__remove_default.snap

@@ -0,0 +1,93 @@
+---
+source: src/flake8_import_conventions/mod.rs
+expression: checks
+---
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 3
+    column: 0
+  end_location:
+    row: 3
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 4
+    column: 24
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 13
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 7
+    column: 0
+  end_location:
+    row: 7
+    column: 14
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - altair
+      - alt
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 9
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - matplotlib.pyplot
+      - plt
+  location:
+    row: 10
+    column: 0
+  end_location:
+    row: 10
+    column: 32
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - pandas
+      - pd
+  location:
+    row: 12
+    column: 0
+  end_location:
+    row: 12
+    column: 21
+  fix: ~
+- kind:
+    ImportAliasIsNotConventional:
+      - seaborn
+      - sns
+  location:
+    row: 13
+    column: 0
+  end_location:
+    row: 13
+    column: 22
+  fix: ~
+

src/flake8_quotes/settings.rs

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

src/flake8_tidy_imports/mod.rs

@@ -15,12 +15,12 @@ mod tests {
     #[test]
     fn ban_parent_imports() -> Result<()> {
         let mut checks = test_path(
-            Path::new("./resources/test/fixtures/flake8_tidy_imports/I252.py"),
+            Path::new("./resources/test/fixtures/flake8_tidy_imports/TID252.py"),
             &Settings {
                 flake8_tidy_imports: flake8_tidy_imports::settings::Settings {
                     ban_relative_imports: Strictness::Parents,
                 },
-                ..Settings::for_rules(vec![CheckCode::I252])
+                ..Settings::for_rules(vec![CheckCode::TID252])
             },
             true,
         )?;
@@ -32,12 +32,12 @@ mod tests {
     #[test]
     fn ban_all_imports() -> Result<()> {
         let mut checks = test_path(
-            Path::new("./resources/test/fixtures/flake8_tidy_imports/I252.py"),
+            Path::new("./resources/test/fixtures/flake8_tidy_imports/TID252.py"),
             &Settings {
                 flake8_tidy_imports: flake8_tidy_imports::settings::Settings {
                     ban_relative_imports: Strictness::All,
                 },
-                ..Settings::for_rules(vec![CheckCode::I252])
+                ..Settings::for_rules(vec![CheckCode::TID252])
             },
             true,
         )?;

src/flake8_tidy_imports/settings.rs

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

src/flake8_unused_arguments/helpers.rs

@@ -0,0 +1,19 @@
+use rustpython_ast::{Constant, ExprKind, Stmt, StmtKind};
+
+pub fn is_empty(body: &[Stmt]) -> bool {
+    match &body {
+        [] => true,
+        // Also allow: raise NotImplementedError, raise NotImplemented
+        [stmt] => match &stmt.node {
+            StmtKind::Pass => true,
+            StmtKind::Expr { value } => match &value.node {
+                ExprKind::Constant { value, .. } => {
+                    matches!(value, Constant::Str(_) | Constant::Ellipsis)
+                }
+                _ => false,
+            },
+            _ => false,
+        },
+        _ => false,
+    }
+}

src/flake8_unused_arguments/mod.rs

@@ -0,0 +1,35 @@
+mod helpers;
+pub mod plugins;
+mod types;
+
+#[cfg(test)]
+mod tests {
+    use std::convert::AsRef;
+    use std::path::Path;
+
+    use anyhow::Result;
+    use test_case::test_case;
+
+    use crate::checks::CheckCode;
+    use crate::linter::test_path;
+    use crate::settings;
+
+    #[test_case(CheckCode::ARG001, Path::new("ARG.py"); "ARG001")]
+    #[test_case(CheckCode::ARG002, Path::new("ARG.py"); "ARG002")]
+    #[test_case(CheckCode::ARG003, Path::new("ARG.py"); "ARG003")]
+    #[test_case(CheckCode::ARG004, Path::new("ARG.py"); "ARG004")]
+    #[test_case(CheckCode::ARG005, Path::new("ARG.py"); "ARG005")]
+    fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
+        let snapshot = format!("{}_{}", check_code.as_ref(), path.to_string_lossy());
+        let mut checks = test_path(
+            Path::new("./resources/test/fixtures/flake8_unused_arguments")
+                .join(path)
+                .as_path(),
+            &settings::Settings::for_rule(check_code),
+            true,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
+}

src/flake8_unused_arguments/plugins.rs

@@ -0,0 +1,184 @@
+use std::iter;
+
+use regex::Regex;
+use rustc_hash::FxHashMap;
+use rustpython_ast::{Arg, Arguments};
+
+use crate::ast::function_type;
+use crate::ast::function_type::FunctionType;
+use crate::ast::helpers::collect_arg_names;
+use crate::ast::types::{Binding, BindingKind, FunctionDef, Lambda, Scope, ScopeKind};
+use crate::check_ast::Checker;
+use crate::flake8_unused_arguments::helpers;
+use crate::flake8_unused_arguments::types::Argumentable;
+use crate::{visibility, Check};
+
+/// Check a plain function for unused arguments.
+fn function(
+    argumentable: &Argumentable,
+    args: &Arguments,
+    bindings: &FxHashMap<&str, Binding>,
+    dummy_variable_rgx: &Regex,
+) -> Vec<Check> {
+    let mut checks: Vec<Check> = vec![];
+    for arg_name in collect_arg_names(args) {
+        if let Some(binding) = bindings.get(arg_name) {
+            if binding.used.is_none()
+                && matches!(binding.kind, BindingKind::Argument)
+                && !dummy_variable_rgx.is_match(arg_name)
+            {
+                checks.push(Check::new(
+                    argumentable.check_for(arg_name.to_string()),
+                    binding.range,
+                ));
+            }
+        }
+    }
+    checks
+}
+
+/// Check a method for unused arguments.
+fn method(
+    argumentable: &Argumentable,
+    args: &Arguments,
+    bindings: &FxHashMap<&str, Binding>,
+    dummy_variable_rgx: &Regex,
+) -> Vec<Check> {
+    let mut checks: Vec<Check> = vec![];
+    for arg in args
+        .posonlyargs
+        .iter()
+        .chain(args.args.iter())
+        .skip(1)
+        .chain(args.kwonlyargs.iter())
+        .chain(iter::once::<Option<&Arg>>(args.vararg.as_deref()).flatten())
+        .chain(iter::once::<Option<&Arg>>(args.kwarg.as_deref()).flatten())
+    {
+        if let Some(binding) = bindings.get(&arg.node.arg.as_str()) {
+            if binding.used.is_none()
+                && matches!(binding.kind, BindingKind::Argument)
+                && !dummy_variable_rgx.is_match(arg.node.arg.as_str())
+            {
+                checks.push(Check::new(
+                    argumentable.check_for(arg.node.arg.to_string()),
+                    binding.range,
+                ));
+            }
+        }
+    }
+    checks
+}
+
+/// ARG001, ARG002, ARG003, ARG004, ARG005
+pub fn unused_arguments(checker: &Checker, parent: &Scope, scope: &Scope) -> Vec<Check> {
+    match &scope.kind {
+        ScopeKind::Function(FunctionDef {
+            name,
+            args,
+            body,
+            decorator_list,
+            ..
+        }) => {
+            match function_type::classify(
+                parent,
+                name,
+                decorator_list,
+                &checker.from_imports,
+                &checker.import_aliases,
+                &checker.settings.pep8_naming.classmethod_decorators,
+                &checker.settings.pep8_naming.staticmethod_decorators,
+            ) {
+                FunctionType::Function => {
+                    if checker
+                        .settings
+                        .enabled
+                        .contains(Argumentable::Function.check_code())
+                    {
+                        function(
+                            &Argumentable::Function,
+                            args,
+                            &scope.values,
+                            &checker.settings.dummy_variable_rgx,
+                        )
+                    } else {
+                        vec![]
+                    }
+                }
+                FunctionType::Method => {
+                    if checker
+                        .settings
+                        .enabled
+                        .contains(Argumentable::Method.check_code())
+                        && !helpers::is_empty(body)
+                        && !visibility::is_abstract(checker, decorator_list)
+                        && !visibility::is_override(checker, decorator_list)
+                    {
+                        method(
+                            &Argumentable::Method,
+                            args,
+                            &scope.values,
+                            &checker.settings.dummy_variable_rgx,
+                        )
+                    } else {
+                        vec![]
+                    }
+                }
+                FunctionType::ClassMethod => {
+                    if checker
+                        .settings
+                        .enabled
+                        .contains(Argumentable::ClassMethod.check_code())
+                        && !helpers::is_empty(body)
+                        && !visibility::is_abstract(checker, decorator_list)
+                        && !visibility::is_override(checker, decorator_list)
+                    {
+                        method(
+                            &Argumentable::ClassMethod,
+                            args,
+                            &scope.values,
+                            &checker.settings.dummy_variable_rgx,
+                        )
+                    } else {
+                        vec![]
+                    }
+                }
+                FunctionType::StaticMethod => {
+                    if checker
+                        .settings
+                        .enabled
+                        .contains(Argumentable::StaticMethod.check_code())
+                        && !helpers::is_empty(body)
+                        && !visibility::is_abstract(checker, decorator_list)
+                        && !visibility::is_override(checker, decorator_list)
+                    {
+                        function(
+                            &Argumentable::StaticMethod,
+                            args,
+                            &scope.values,
+                            &checker.settings.dummy_variable_rgx,
+                        )
+                    } else {
+                        vec![]
+                    }
+                }
+            }
+        }
+        ScopeKind::Lambda(Lambda { args, .. }) => {
+            if checker
+                .settings
+                .enabled
+                .contains(Argumentable::Lambda.check_code())
+            {
+                function(
+                    &Argumentable::Lambda,
+                    args,
+                    &scope.values,
+                    &checker.settings.dummy_variable_rgx,
+                )
+            } else {
+                vec![]
+            }
+        }
+        _ => unreachable!("Expected ScopeKind::Function | ScopeKind::Lambda"),
+    }
+}

src/flake8_unused_arguments/snapshots/ruff__flake8_unused_arguments__tests__ARG001_ARG.py.snap

@@ -0,0 +1,77 @@
+---
+source: src/flake8_unused_arguments/mod.rs
+expression: checks
+---
+- kind:
+    UnusedFunctionArgument: self
+  location:
+    row: 8
+    column: 6
+  end_location:
+    row: 8
+    column: 10
+  fix: ~
+- kind:
+    UnusedFunctionArgument: x
+  location:
+    row: 8
+    column: 12
+  end_location:
+    row: 8
+    column: 13
+  fix: ~
+- kind:
+    UnusedFunctionArgument: cls
+  location:
+    row: 12
+    column: 6
+  end_location:
+    row: 12
+    column: 9
+  fix: ~
+- kind:
+    UnusedFunctionArgument: x
+  location:
+    row: 12
+    column: 11
+  end_location:
+    row: 12
+    column: 12
+  fix: ~
+- kind:
+    UnusedFunctionArgument: self
+  location:
+    row: 16
+    column: 6
+  end_location:
+    row: 16
+    column: 10
+  fix: ~
+- kind:
+    UnusedFunctionArgument: x
+  location:
+    row: 16
+    column: 12
+  end_location:
+    row: 16
+    column: 13
+  fix: ~
+- kind:
+    UnusedFunctionArgument: cls
+  location:
+    row: 20
+    column: 6
+  end_location:
+    row: 20
+    column: 9
+  fix: ~
+- kind:
+    UnusedFunctionArgument: x
+  location:
+    row: 20
+    column: 11
+  end_location:
+    row: 20
+    column: 12
+  fix: ~
+

src/flake8_unused_arguments/snapshots/ruff__flake8_unused_arguments__tests__ARG002_ARG.py.snap

@@ -0,0 +1,32 @@
+---
+source: src/flake8_unused_arguments/mod.rs
+expression: checks
+---
+- kind:
+    UnusedMethodArgument: x
+  location:
+    row: 34
+    column: 16
+  end_location:
+    row: 34
+    column: 17
+  fix: ~
+- kind:
+    UnusedMethodArgument: x
+  location:
+    row: 37
+    column: 19
+  end_location:
+    row: 37
+    column: 20
+  fix: ~
+- kind:
+    UnusedMethodArgument: x
+  location:
+    row: 40
+    column: 15
+  end_location:
+    row: 40
+    column: 16
+  fix: ~
+

src/flake8_unused_arguments/snapshots/ruff__flake8_unused_arguments__tests__ARG003_ARG.py.snap

@@ -0,0 +1,14 @@
+---
+source: src/flake8_unused_arguments/mod.rs
+expression: checks
+---
+- kind:
+    UnusedClassMethodArgument: x
+  location:
+    row: 44
+    column: 15
+  end_location:
+    row: 44
+    column: 16
+  fix: ~
+

src/flake8_unused_arguments/snapshots/ruff__flake8_unused_arguments__tests__ARG004_ARG.py.snap

@@ -0,0 +1,32 @@
+---
+source: src/flake8_unused_arguments/mod.rs
+expression: checks
+---
+- kind:
+    UnusedStaticMethodArgument: cls
+  location:
+    row: 48
+    column: 10
+  end_location:
+    row: 48
+    column: 13
+  fix: ~
+- kind:
+    UnusedStaticMethodArgument: x
+  location:
+    row: 48
+    column: 15
+  end_location:
+    row: 48
+    column: 16
+  fix: ~
+- kind:
+    UnusedStaticMethodArgument: x
+  location:
+    row: 52
+    column: 10
+  end_location:
+    row: 52
+    column: 11
+  fix: ~
+

src/flake8_unused_arguments/snapshots/ruff__flake8_unused_arguments__tests__ARG005_ARG.py.snap

@@ -0,0 +1,14 @@
+---
+source: src/flake8_unused_arguments/mod.rs
+expression: checks
+---
+- kind:
+    UnusedLambdaArgument: x
+  location:
+    row: 27
+    column: 7
+  end_location:
+    row: 27
+    column: 8
+  fix: ~
+

src/flake8_unused_arguments/types.rs

@@ -0,0 +1,32 @@
+use crate::checks::{CheckCode, CheckKind};
+
+/// An AST node that can contain arguments.
+pub enum Argumentable {
+    Function,
+    Method,
+    ClassMethod,
+    StaticMethod,
+    Lambda,
+}
+
+impl Argumentable {
+    pub fn check_for(&self, name: String) -> CheckKind {
+        match self {
+            Argumentable::Function => CheckKind::UnusedFunctionArgument(name),
+            Argumentable::Method => CheckKind::UnusedMethodArgument(name),
+            Argumentable::ClassMethod => CheckKind::UnusedClassMethodArgument(name),
+            Argumentable::StaticMethod => CheckKind::UnusedStaticMethodArgument(name),
+            Argumentable::Lambda => CheckKind::UnusedLambdaArgument(name),
+        }
+    }
+
+    pub fn check_code(&self) -> &CheckCode {
+        match self {
+            Argumentable::Function => &CheckCode::ARG001,
+            Argumentable::Method => &CheckCode::ARG002,
+            Argumentable::ClassMethod => &CheckCode::ARG003,
+            Argumentable::StaticMethod => &CheckCode::ARG004,
+            Argumentable::Lambda => &CheckCode::ARG005,
+        }
+    }
+}

src/fs.rs

@@ -1,5 +1,4 @@
 use std::borrow::Cow;
-use std::collections::BTreeSet;
 use std::fs::File;
 use std::io::{BufReader, Read};
 use std::path::{Path, PathBuf};
@@ -8,6 +7,7 @@ use anyhow::{anyhow, Result};
 use globset::GlobMatcher;
 use log::debug;
 use path_absolutize::{path_dedot, Absolutize};
+use rustc_hash::FxHashSet;
 use walkdir::{DirEntry, WalkDir};
 
 use crate::checks::CheckCode;
@@ -83,8 +83,8 @@ pub fn iter_python_files<'a>(
 /// Create tree set with codes matching the pattern/code pairs.
 pub(crate) fn ignores_from_path<'a>(
     path: &Path,
-    pattern_code_pairs: &'a [(GlobMatcher, GlobMatcher, BTreeSet<CheckCode>)],
-) -> Result<BTreeSet<&'a CheckCode>> {
+    pattern_code_pairs: &'a [(GlobMatcher, GlobMatcher, FxHashSet<CheckCode>)],
+) -> Result<FxHashSet<&'a CheckCode>> {
     let (file_path, file_basename) = extract_path_names(path)?;
     Ok(pattern_code_pairs
         .iter()
@@ -97,7 +97,7 @@ pub(crate) fn ignores_from_path<'a>(
 
 /// Convert any path to an absolute path (based on the current working
 /// directory).
-pub(crate) fn normalize_path(path: &Path) -> PathBuf {
+pub fn normalize_path(path: &Path) -> PathBuf {
     if let Ok(path) = path.absolutize() {
         return path.to_path_buf();
     }
@@ -105,7 +105,7 @@ pub(crate) fn normalize_path(path: &Path) -> PathBuf {
 }
 
 /// Convert any path to an absolute path (based on the specified project root).
-pub(crate) fn normalize_path_to(path: &Path, project_root: &Path) -> PathBuf {
+pub fn normalize_path_to(path: &Path, project_root: &Path) -> PathBuf {
     if let Ok(path) = path.absolutize_from(project_root) {
         return path.to_path_buf();
     }
@@ -113,7 +113,7 @@ pub(crate) fn normalize_path_to(path: &Path, project_root: &Path) -> PathBuf {
 }
 
 /// Convert an absolute path to be relative to the current working directory.
-pub(crate) fn relativize_path(path: &Path) -> Cow<str> {
+pub fn relativize_path(path: &Path) -> Cow<str> {
     if let Ok(path) = path.strip_prefix(&*path_dedot::CWD) {
         return path.to_string_lossy();
     }

src/isort/mod.rs

@@ -559,6 +559,7 @@ mod tests {
     #[test_case(Path::new("force_wrap_aliases.py"))]
     #[test_case(Path::new("import_from_after_import.py"))]
     #[test_case(Path::new("insert_empty_lines.py"))]
+    #[test_case(Path::new("insert_empty_lines.pyi"))]
     #[test_case(Path::new("leading_prefix.py"))]
     #[test_case(Path::new("no_reorder_within_section.py"))]
     #[test_case(Path::new("no_wrap_star.py"))]

src/isort/settings.rs

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

src/isort/snapshots/ruff__isort__tests__insert_empty_lines.py.snap

@@ -47,4 +47,34 @@ expression: checks
     end_location:
       row: 16
       column: 0
+- kind: UnsortedImports
+  location:
+    row: 33
+    column: 0
+  end_location:
+    row: 35
+    column: 0
+  fix:
+    content: "    import collections\n    import typing\n\n"
+    location:
+      row: 33
+      column: 0
+    end_location:
+      row: 35
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 39
+    column: 0
+  end_location:
+    row: 41
+    column: 0
+  fix:
+    content: "    import collections\n    import typing\n\n"
+    location:
+      row: 39
+      column: 0
+    end_location:
+      row: 41
+      column: 0
 

src/isort/snapshots/ruff__isort__tests__insert_empty_lines.pyi.snap

@@ -0,0 +1,65 @@
+---
+source: src/isort/mod.rs
+expression: checks
+---
+- kind: UnsortedImports
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 3
+    column: 0
+  fix:
+    content: "import a\nimport b\n\n"
+    location:
+      row: 1
+      column: 0
+    end_location:
+      row: 3
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 6
+    column: 0
+  fix:
+    content: "import os\nimport sys\n\n"
+    location:
+      row: 4
+      column: 0
+    end_location:
+      row: 6
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 14
+    column: 0
+  end_location:
+    row: 16
+    column: 0
+  fix:
+    content: "import os\nimport sys\n\n"
+    location:
+      row: 14
+      column: 0
+    end_location:
+      row: 16
+      column: 0
+- kind: UnsortedImports
+  location:
+    row: 33
+    column: 0
+  end_location:
+    row: 35
+    column: 0
+  fix:
+    content: "    import collections\n    import typing\n\n"
+    location:
+      row: 33
+      column: 0
+    end_location:
+      row: 35
+      column: 0
+

src/isort/track.rs

@@ -1,3 +1,5 @@
+use std::path::Path;
+
 use rustpython_ast::{
     Alias, Arg, Arguments, Boolop, Cmpop, Comprehension, Constant, Excepthandler,
     ExcepthandlerKind, Expr, ExprContext, Keyword, MatchCase, Operator, Pattern, Stmt, StmtKind,
@@ -20,17 +22,21 @@ pub struct Block<'a> {
 }
 
 pub struct ImportTracker<'a> {
-    blocks: Vec<Block<'a>>,
     directives: &'a IsortDirectives,
+    pyi: bool,
+    blocks: Vec<Block<'a>>,
     split_index: usize,
+    nested: bool,
 }
 
 impl<'a> ImportTracker<'a> {
-    pub fn new(directives: &'a IsortDirectives) -> Self {
+    pub fn new(directives: &'a IsortDirectives, path: &'a Path) -> Self {
         Self {
             directives,
+            pyi: path.extension().map_or(false, |ext| ext == "pyi"),
             blocks: vec![Block::default()],
             split_index: 0,
+            nested: false,
         }
     }
 
@@ -39,6 +45,34 @@ impl<'a> ImportTracker<'a> {
         self.blocks[index].imports.push(stmt);
     }
 
+    fn trailer_for(&self, stmt: &'a Stmt) -> Option<Trailer> {
+        if self.pyi {
+            // Black treats interface files differently, limiting to one newline
+            // (`Trailing::Sibling`), and avoiding inserting any newlines in nested function
+            // blocks.
+            if self.nested
+                && matches!(
+                    stmt.node,
+                    StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. }
+                )
+            {
+                None
+            } else {
+                Some(Trailer::Sibling)
+            }
+        } else if self.nested {
+            Some(Trailer::Sibling)
+        } else {
+            Some(match &stmt.node {
+                StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
+                    Trailer::FunctionDef
+                }
+                StmtKind::ClassDef { .. } => Trailer::ClassDef,
+                _ => Trailer::Sibling,
+            })
+        }
+    }
+
     fn finalize(&mut self, trailer: Option<Trailer>) {
         let index = self.blocks.len() - 1;
         if !self.blocks[index].imports.is_empty() {
@@ -60,13 +94,7 @@ where
         // Track manual splits.
         while self.split_index < self.directives.splits.len() {
             if stmt.location.row() >= self.directives.splits[self.split_index] {
-                self.finalize(Some(match &stmt.node {
-                    StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
-                        Trailer::FunctionDef
-                    }
-                    StmtKind::ClassDef { .. } => Trailer::ClassDef,
-                    _ => Trailer::Sibling,
-                }));
+                self.finalize(self.trailer_for(stmt));
                 self.split_index += 1;
             } else {
                 break;
@@ -81,16 +109,12 @@ where
         {
             self.track_import(stmt);
         } else {
-            self.finalize(Some(match &stmt.node {
-                StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
-                    Trailer::FunctionDef
-                }
-                StmtKind::ClassDef { .. } => Trailer::ClassDef,
-                _ => Trailer::Sibling,
-            }));
+            self.finalize(self.trailer_for(stmt));
         }
 
         // Track scope.
+        let prev_nested = self.nested;
+        self.nested = true;
         match &stmt.node {
             StmtKind::FunctionDef { body, .. } => {
                 for stmt in body {
@@ -198,6 +222,7 @@ where
             }
             _ => {}
         }
+        self.nested = prev_nested;
     }
 
     fn visit_annotation(&mut self, _: &'b Expr) {}
@@ -219,11 +244,16 @@ where
     fn visit_comprehension(&mut self, _: &'b Comprehension) {}
 
     fn visit_excepthandler(&mut self, excepthandler: &'b Excepthandler) {
+        let prev_nested = self.nested;
+        self.nested = true;
+
         let ExcepthandlerKind::ExceptHandler { body, .. } = &excepthandler.node;
         for stmt in body {
             self.visit_stmt(stmt);
         }
         self.finalize(None);
+
+        self.nested = prev_nested;
     }
 
     fn visit_arguments(&mut self, _: &'b Arguments) {}

src/lib.rs

@@ -49,10 +49,12 @@ pub mod flake8_bugbear;
 mod flake8_builtins;
 mod flake8_comprehensions;
 mod flake8_debugger;
+mod flake8_import_conventions;
 mod flake8_print;
 pub mod flake8_quotes;
 mod flake8_return;
 pub mod flake8_tidy_imports;
+mod flake8_unused_arguments;
 pub mod fs;
 mod isort;
 mod lex;
@@ -70,7 +72,7 @@ mod pygrep_hooks;
 mod pylint;
 mod python;
 mod pyupgrade;
-mod rules;
+mod ruff;
 mod rustpython_helpers;
 pub mod settings;
 pub mod source_code_locator;

src/linter.rs

@@ -92,6 +92,7 @@ pub(crate) fn check_path(
                         &directives.isort,
                         settings,
                         autofix,
+                        path,
                     ));
                 }
             }

src/main.rs

@@ -17,6 +17,7 @@ use std::process::ExitCode;
 use std::sync::mpsc::channel;
 use std::time::Instant;
 
+use ::ruff::autofix::fixer;
 use ::ruff::checks::{CheckCode, CheckKind};
 use ::ruff::cli::{collect_per_file_ignores, extract_log_level, Cli};
 use ::ruff::fs::iter_python_files;
@@ -29,7 +30,7 @@ use ::ruff::settings::types::SerializationFormat;
 use ::ruff::settings::{pyproject, Settings};
 #[cfg(feature = "update-informer")]
 use ::ruff::updates;
-use ::ruff::{cache, commands};
+use ::ruff::{cache, commands, fs};
 use anyhow::Result;
 use clap::{CommandFactory, Parser};
 use colored::Colorize;
@@ -37,7 +38,6 @@ use log::{debug, error};
 use notify::{recommended_watcher, RecursiveMode, Watcher};
 #[cfg(not(target_family = "wasm"))]
 use rayon::prelude::*;
-use ruff::autofix::fixer;
 use rustpython_ast::Location;
 use walkdir::DirEntry;
 
@@ -210,10 +210,12 @@ fn inner_main() -> Result<ExitCode> {
     }
 
     // Find the project root and pyproject.toml.
-    let project_root = pyproject::find_project_root(&cli.files);
-    let pyproject = cli
-        .config
-        .or_else(|| pyproject::find_pyproject_toml(project_root.as_ref()));
+    let config: Option<PathBuf> = cli.config;
+    let project_root = config.as_ref().map_or_else(
+        || pyproject::find_project_root(&cli.files),
+        |config| config.parent().map(fs::normalize_path),
+    );
+    let pyproject = config.or_else(|| pyproject::find_pyproject_toml(project_root.as_ref()));
 
     // Reconcile configuration from pyproject.toml and command-line arguments.
     let mut configuration =
@@ -390,7 +392,7 @@ fn inner_main() -> Result<ExitCode> {
         // unless we're writing fixes via stdin (in which case, the transformed
         // source code goes to stdout).
         if !(is_stdin && matches!(autofix, fixer::Mode::Apply)) {
-            printer.write_once(&diagnostics)?;
+            printer.write_once(&diagnostics, &autofix)?;
         }
 
         // Check for updates if we're in a non-silent log level.

src/mccabe/settings.rs

@@ -1,10 +1,20 @@
 //! Settings for the `mccabe` plugin.
 
+use ruff_macros::ConfigurationOptions;
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default, ConfigurationOptions)]
 #[serde(deny_unknown_fields, rename_all = "kebab-case")]
 pub struct Options {
+    #[option(
+        doc = "The maximum McCabe complexity to allow before triggering `C901` errors.",
+        default = "10",
+        value_type = "usize",
+        example = r#"
+            # Flag errors (`C901`) whenever the complexity level exceeds 5.
+            max-complexity = 5
+        "#
+    )]
     pub max_complexity: Option<usize>,
 }
 
@@ -14,8 +24,7 @@ pub struct Settings {
 }
 
 impl Settings {
-    #[allow(clippy::needless_pass_by_value)]
-    pub fn from_options(options: Options) -> Self {
+    pub fn from_options(options: &Options) -> Self {
         Self {
             max_complexity: options.max_complexity.unwrap_or_default(),
         }

src/noqa.rs

@@ -1,4 +1,3 @@
-use std::collections::{BTreeMap, BTreeSet};
 use std::fs;
 use std::path::Path;
 
@@ -7,8 +6,9 @@ use itertools::Itertools;
 use nohash_hasher::IntMap;
 use once_cell::sync::Lazy;
 use regex::Regex;
+use rustc_hash::{FxHashMap, FxHashSet};
 
-use crate::checks::{Check, CheckCode, REDIRECTS};
+use crate::checks::{Check, CheckCode, CODE_REDIRECTS};
 
 static NO_QA_LINE_REGEX: Lazy<Regex> = Lazy::new(|| {
     Regex::new(
@@ -70,7 +70,7 @@ pub fn extract_noqa_directive(line: &str) -> Directive {
 pub fn includes(needle: &CheckCode, haystack: &[&str]) -> bool {
     let needle: &str = needle.as_ref();
     haystack.iter().any(|candidate| {
-        if let Some(candidate) = REDIRECTS.get(candidate) {
+        if let Some(candidate) = CODE_REDIRECTS.get(candidate) {
             needle == candidate.as_ref()
         } else {
             &needle == candidate
@@ -83,7 +83,7 @@ pub fn add_noqa(
     checks: &[Check],
     contents: &str,
     noqa_line_for: &IntMap<usize, usize>,
-    external: &BTreeSet<String>,
+    external: &FxHashSet<String>,
 ) -> Result<usize> {
     let (count, output) = add_noqa_inner(checks, contents, noqa_line_for, external);
     fs::write(path, output)?;
@@ -94,16 +94,16 @@ fn add_noqa_inner(
     checks: &[Check],
     contents: &str,
     noqa_line_for: &IntMap<usize, usize>,
-    external: &BTreeSet<String>,
+    external: &FxHashSet<String>,
 ) -> (usize, String) {
-    let mut matches_by_line: BTreeMap<usize, BTreeSet<&CheckCode>> = BTreeMap::new();
+    let mut matches_by_line: FxHashMap<usize, FxHashSet<&CheckCode>> = FxHashMap::default();
     for (lineno, line) in contents.lines().enumerate() {
         // If we hit an exemption for the entire file, bail.
         if is_file_exempt(line) {
             return (0, contents.to_string());
         }
 
-        let mut codes: BTreeSet<&CheckCode> = BTreeSet::new();
+        let mut codes: FxHashSet<&CheckCode> = FxHashSet::default();
         for check in checks {
             if check.location.row() == lineno + 1 {
                 codes.insert(check.kind.code());
@@ -117,7 +117,7 @@ fn add_noqa_inner(
 
         if !codes.is_empty() {
             let matches = matches_by_line.entry(noqa_lineno).or_default();
-            matches.append(&mut codes);
+            matches.extend(codes);
         }
     }
 
@@ -199,9 +199,9 @@ fn add_noqa_inner(
 
 #[cfg(test)]
 mod tests {
-    use std::collections::BTreeSet;
 
     use nohash_hasher::IntMap;
+    use rustc_hash::FxHashSet;
     use rustpython_parser::ast::Location;
 
     use crate::ast::types::Range;
@@ -227,7 +227,7 @@ mod tests {
         let checks = vec![];
         let contents = "x = 1";
         let noqa_line_for = IntMap::default();
-        let external = BTreeSet::default();
+        let external = FxHashSet::default();
         let (count, output) = add_noqa_inner(&checks, contents, &noqa_line_for, &external);
         assert_eq!(count, 0);
         assert_eq!(output.trim(), contents.trim());
@@ -241,7 +241,7 @@ mod tests {
         )];
         let contents = "x = 1";
         let noqa_line_for = IntMap::default();
-        let external = BTreeSet::default();
+        let external = FxHashSet::default();
         let (count, output) = add_noqa_inner(&checks, contents, &noqa_line_for, &external);
         assert_eq!(count, 1);
         assert_eq!(output.trim(), "x = 1  # noqa: F841".trim());
@@ -264,7 +264,7 @@ mod tests {
         ];
         let contents = "x = 1  # noqa: E741";
         let noqa_line_for = IntMap::default();
-        let external = BTreeSet::default();
+        let external = FxHashSet::default();
         let (count, output) = add_noqa_inner(&checks, contents, &noqa_line_for, &external);
         assert_eq!(count, 1);
         assert_eq!(output.trim(), "x = 1  # noqa: E741, F841".trim());
@@ -287,7 +287,7 @@ mod tests {
         ];
         let contents = "x = 1  # noqa";
         let noqa_line_for = IntMap::default();
-        let external = BTreeSet::default();
+        let external = FxHashSet::default();
         let (count, output) = add_noqa_inner(&checks, contents, &noqa_line_for, &external);
         assert_eq!(count, 1);
         assert_eq!(output.trim(), "x = 1  # noqa: E741, F841".trim());

src/pep8_naming/checks.rs

@@ -1,10 +1,10 @@
 use rustc_hash::{FxHashMap, FxHashSet};
 use rustpython_ast::{Arguments, Expr, ExprKind, Stmt};
 
+use crate::ast::function_type;
 use crate::ast::types::{Range, Scope, ScopeKind};
 use crate::checks::{Check, CheckKind};
 use crate::pep8_naming::helpers;
-use crate::pep8_naming::helpers::FunctionType;
 use crate::pep8_naming::settings::Settings;
 use crate::python::string::{self};
 
@@ -58,15 +58,16 @@ pub fn invalid_first_argument_name_for_class_method(
     settings: &Settings,
 ) -> Option<Check> {
     if !matches!(
-        helpers::function_type(
+        function_type::classify(
             scope,
             name,
             decorator_list,
             from_imports,
             import_aliases,
-            settings,
+            &settings.classmethod_decorators,
+            &settings.staticmethod_decorators,
         ),
-        FunctionType::ClassMethod
+        function_type::FunctionType::ClassMethod
     ) {
         return None;
     }
@@ -99,15 +100,16 @@ pub fn invalid_first_argument_name_for_method(
     settings: &Settings,
 ) -> Option<Check> {
     if !matches!(
-        helpers::function_type(
+        function_type::classify(
             scope,
             name,
             decorator_list,
             from_imports,
             import_aliases,
-            settings,
+            &settings.classmethod_decorators,
+            &settings.staticmethod_decorators,
         ),
-        FunctionType::Method
+        function_type::FunctionType::Method
     ) {
         return None;
     }

src/pep8_naming/helpers.rs

@@ -1,71 +1,10 @@
 use itertools::Itertools;
 use rustc_hash::{FxHashMap, FxHashSet};
-use rustpython_ast::{Expr, Stmt, StmtKind};
+use rustpython_ast::{Stmt, StmtKind};
 
-use crate::ast::helpers::{
-    collect_call_paths, dealias_call_path, match_call_path, to_module_and_member,
-};
-use crate::ast::types::{Scope, ScopeKind};
-use crate::pep8_naming::settings::Settings;
+use crate::ast::helpers::{collect_call_paths, match_call_path};
 use crate::python::string::{is_lower, is_upper};
 
-const CLASS_METHODS: [&str; 3] = ["__new__", "__init_subclass__", "__class_getitem__"];
-const METACLASS_BASES: [(&str, &str); 2] = [("", "type"), ("abc", "ABCMeta")];
-
-pub enum FunctionType {
-    Function,
-    Method,
-    ClassMethod,
-    StaticMethod,
-}
-
-/// Classify a function based on its scope, name, and decorators.
-pub fn function_type(
-    scope: &Scope,
-    name: &str,
-    decorator_list: &[Expr],
-    from_imports: &FxHashMap<&str, FxHashSet<&str>>,
-    import_aliases: &FxHashMap<&str, &str>,
-    settings: &Settings,
-) -> FunctionType {
-    let ScopeKind::Class(scope) = &scope.kind else {
-        return FunctionType::Function;
-    };
-    // Special-case class method, like `__new__`.
-    if CLASS_METHODS.contains(&name)
-        || scope.bases.iter().any(|expr| {
-            // The class itself extends a known metaclass, so all methods are class methods.
-            let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
-            METACLASS_BASES
-                .iter()
-                .any(|(module, member)| match_call_path(&call_path, module, member, from_imports))
-        })
-        || decorator_list.iter().any(|expr| {
-            // The method is decorated with a class method decorator (like `@classmethod`).
-            let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
-            settings.classmethod_decorators.iter().any(|decorator| {
-                let (module, member) = to_module_and_member(decorator);
-                match_call_path(&call_path, module, member, from_imports)
-            })
-        })
-    {
-        FunctionType::ClassMethod
-    } else if decorator_list.iter().any(|expr| {
-        // The method is decorated with a static method decorator (like
-        // `@staticmethod`).
-        let call_path = dealias_call_path(collect_call_paths(expr), import_aliases);
-        settings.staticmethod_decorators.iter().any(|decorator| {
-            let (module, member) = to_module_and_member(decorator);
-            match_call_path(&call_path, module, member, from_imports)
-        })
-    }) {
-        FunctionType::StaticMethod
-    } else {
-        // It's an instance method.
-        FunctionType::Method
-    }
-}
-
 pub fn is_camelcase(name: &str) -> bool {
     !is_lower(name) && !is_upper(name) && !name.contains('_')
 }

src/pep8_naming/settings.rs

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

src/printer.rs

@@ -9,7 +9,7 @@ use itertools::iterate;
 use rustpython_parser::ast::Location;
 use serde::Serialize;
 
-use crate::autofix::Fix;
+use crate::autofix::{fixer, Fix};
 use crate::checks::CheckCode;
 use crate::fs::relativize_path;
 use crate::linter::Diagnostics;
@@ -57,15 +57,15 @@ impl<'a> Printer<'a> {
         }
     }
 
-    fn post_text(&self, num_fixable: usize) {
+    fn post_text(&self, num_fixable: usize, autofix: &fixer::Mode) {
         if self.log_level >= &LogLevel::Default {
-            if num_fixable > 0 {
+            if num_fixable > 0 && !matches!(autofix, fixer::Mode::Apply) {
                 println!("{num_fixable} potentially fixable with the --fix option.");
             }
         }
     }
 
-    pub fn write_once(&self, diagnostics: &Diagnostics) -> Result<()> {
+    pub fn write_once(&self, diagnostics: &Diagnostics, autofix: &fixer::Mode) -> Result<()> {
         if matches!(self.log_level, LogLevel::Silent) {
             return Ok(());
         }
@@ -147,7 +147,7 @@ impl<'a> Printer<'a> {
                     print_message(message);
                 }
 
-                self.post_text(num_fixable);
+                self.post_text(num_fixable, autofix);
             }
             SerializationFormat::Grouped => {
                 self.pre_text(diagnostics);
@@ -190,7 +190,7 @@ impl<'a> Printer<'a> {
                     println!();
                 }
 
-                self.post_text(num_fixable);
+                self.post_text(num_fixable, autofix);
             }
             SerializationFormat::Github => {
                 self.pre_text(diagnostics);

src/pycodestyle/checks.rs

@@ -1,11 +1,65 @@
 use itertools::izip;
-use rustpython_ast::Location;
+use rustpython_ast::{Location, Stmt, StmtKind};
 use rustpython_parser::ast::{Cmpop, Expr, ExprKind};
 
 use crate::ast::types::Range;
 use crate::checks::{Check, CheckKind};
 use crate::source_code_locator::SourceCodeLocator;
 
+/// E721
+pub fn type_comparison(ops: &[Cmpop], comparators: &[Expr], location: Range) -> Vec<Check> {
+    let mut checks: Vec<Check> = vec![];
+
+    for (op, right) in izip!(ops, comparators) {
+        if !matches!(op, Cmpop::Is | Cmpop::IsNot | Cmpop::Eq | Cmpop::NotEq) {
+            continue;
+        }
+        match &right.node {
+            ExprKind::Call { func, args, .. } => {
+                if let ExprKind::Name { id, .. } = &func.node {
+                    // Ex) type(False)
+                    if id == "type" {
+                        if let Some(arg) = args.first() {
+                            // Allow comparison for types which are not obvious.
+                            if !matches!(arg.node, ExprKind::Name { .. }) {
+                                checks.push(Check::new(CheckKind::TypeComparison, location));
+                            }
+                        }
+                    }
+                }
+            }
+            ExprKind::Attribute { value, .. } => {
+                if let ExprKind::Name { id, .. } = &value.node {
+                    // Ex) types.IntType
+                    if id == "types" {
+                        checks.push(Check::new(CheckKind::TypeComparison, location));
+                    }
+                }
+            }
+            _ => {}
+        }
+    }
+
+    checks
+}
+
+/// E722
+pub fn do_not_use_bare_except(
+    type_: Option<&Expr>,
+    body: &[Stmt],
+    location: Range,
+) -> Option<Check> {
+    if type_.is_none()
+        && !body
+            .iter()
+            .any(|stmt| matches!(stmt.node, StmtKind::Raise { exc: None, .. }))
+    {
+        Some(Check::new(CheckKind::DoNotUseBareExcept, location))
+    } else {
+        None
+    }
+}
+
 fn is_ambiguous_name(name: &str) -> bool {
     name == "l" || name == "I" || name == "O"
 }
@@ -46,43 +100,6 @@ pub fn ambiguous_function_name(name: &str, location: Range) -> Option<Check> {
     }
 }
 
-/// E721
-pub fn type_comparison(ops: &[Cmpop], comparators: &[Expr], location: Range) -> Vec<Check> {
-    let mut checks: Vec<Check> = vec![];
-
-    for (op, right) in izip!(ops, comparators) {
-        if !matches!(op, Cmpop::Is | Cmpop::IsNot | Cmpop::Eq | Cmpop::NotEq) {
-            continue;
-        }
-        match &right.node {
-            ExprKind::Call { func, args, .. } => {
-                if let ExprKind::Name { id, .. } = &func.node {
-                    // Ex) type(False)
-                    if id == "type" {
-                        if let Some(arg) = args.first() {
-                            // Allow comparison for types which are not obvious.
-                            if !matches!(arg.node, ExprKind::Name { .. }) {
-                                checks.push(Check::new(CheckKind::TypeComparison, location));
-                            }
-                        }
-                    }
-                }
-            }
-            ExprKind::Attribute { value, .. } => {
-                if let ExprKind::Name { id, .. } = &value.node {
-                    // Ex) types.IntType
-                    if id == "types" {
-                        checks.push(Check::new(CheckKind::TypeComparison, location));
-                    }
-                }
-            }
-            _ => {}
-        }
-    }
-
-    checks
-}
-
 // See: https://docs.python.org/3/reference/lexical_analysis.html#string-and-bytes-literals
 const VALID_ESCAPE_SEQUENCES: &[char; 23] = &[
     '\n', '\\', '\'', '"', 'a', 'b', 'f', 'n', 'r', 't', 'v', '0', '1', '2', '3', '4', '5', '6',

src/pydocstyle/helpers.rs

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

src/pydocstyle/mod.rs

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

src/pydocstyle/plugins.rs

@@ -1,5 +1,3 @@
-use std::collections::BTreeSet;
-
 use itertools::Itertools;
 use once_cell::sync::Lazy;
 use regex::Regex;
@@ -7,8 +5,8 @@ use rustc_hash::FxHashSet;
 use rustpython_ast::{Constant, ExprKind, Location, StmtKind};
 
 use crate::ast::types::Range;
-use crate::ast::whitespace;
 use crate::ast::whitespace::LinesWithTrailingNewline;
+use crate::ast::{cast, whitespace};
 use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckCode, CheckKind};
@@ -16,6 +14,7 @@ use crate::docstrings::constants;
 use crate::docstrings::definition::{Definition, DefinitionKind};
 use crate::docstrings::sections::{section_contexts, SectionContext};
 use crate::docstrings::styles::SectionStyle;
+use crate::pydocstyle::helpers::{leading_quote, logical_line};
 use crate::visibility::{is_init, is_magic, is_overload, is_override, is_staticmethod, Visibility};
 
 /// D100, D101, D102, D103, D104, D105, D106, D107
@@ -76,7 +75,7 @@ pub fn not_missing(
             false
         }
         DefinitionKind::Function(stmt) | DefinitionKind::NestedFunction(stmt) => {
-            if is_overload(checker, stmt) {
+            if is_overload(checker, cast::decorator_list(stmt)) {
                 true
             } else {
                 if checker.settings.enabled.contains(&CheckCode::D103) {
@@ -89,7 +88,9 @@ pub fn not_missing(
             }
         }
         DefinitionKind::Method(stmt) => {
-            if is_overload(checker, stmt) || is_override(checker, stmt) {
+            if is_overload(checker, cast::decorator_list(stmt))
+                || is_override(checker, cast::decorator_list(stmt))
+            {
                 true
             } else if is_magic(stmt) {
                 if checker.settings.enabled.contains(&CheckCode::D105) {
@@ -621,18 +622,11 @@ pub fn no_surrounding_whitespace(checker: &mut Checker, definition: &Definition)
         Range::from_located(docstring),
     );
     if checker.patch(check.kind.code()) {
-        if let Some(first_line) = checker
-            .locator
-            .slice_source_code_range(&Range::from_located(docstring))
-            .lines()
-            .next()
-            .map(str::to_lowercase)
-        {
-            for pattern in constants::TRIPLE_QUOTE_PREFIXES
-                .iter()
-                .chain(constants::SINGLE_QUOTE_PREFIXES)
-            {
-                if first_line.starts_with(pattern) {
+        if let Some(pattern) = leading_quote(docstring, checker.locator) {
+            if let Some(quote) = pattern.chars().last() {
+                // If removing whitespace would lead to an invalid string of quote
+                // characters, avoid applying the fix.
+                if !trimmed.ends_with(quote) {
                     check.amend(Fix::replacement(
                         trimmed.to_string(),
                         Location::new(
@@ -644,7 +638,6 @@ pub fn no_surrounding_whitespace(checker: &mut Checker, definition: &Definition)
                             docstring.location.column() + pattern.len() + line.chars().count(),
                         ),
                     ));
-                    break;
                 }
             }
         }
@@ -743,16 +736,30 @@ pub fn ends_with_period(checker: &mut Checker, definition: &Definition) {
     } = &docstring.node else {
         return;
     };
-    let Some(string) = string.trim().lines().next() else {
-        return;
-    };
-    if string.ends_with('.') {
-        return;
-    };
-    checker.add_check(Check::new(
-        CheckKind::EndsInPeriod,
-        Range::from_located(docstring),
-    ));
+    if let Some(index) = logical_line(string) {
+        let line = string.lines().nth(index).unwrap();
+        let trimmed = line.trim_end();
+        if !trimmed.ends_with('.') {
+            let mut check = Check::new(CheckKind::EndsInPeriod, Range::from_located(docstring));
+            // Best-effort autofix: avoid adding a period after other punctuation marks.
+            if checker.patch(&CheckCode::D400) && !trimmed.ends_with(':') && !trimmed.ends_with(';')
+            {
+                if let Some((row, column)) = if index == 0 {
+                    leading_quote(docstring, checker.locator).map(|pattern| {
+                        (
+                            docstring.location.row(),
+                            docstring.location.column() + pattern.len() + trimmed.chars().count(),
+                        )
+                    })
+                } else {
+                    Some((docstring.location.row() + index, trimmed.chars().count()))
+                } {
+                    check.amend(Fix::insertion(".".to_string(), Location::new(row, column)));
+                }
+            }
+            checker.add_check(check);
+        };
+    }
 }
 
 /// D402
@@ -870,16 +877,31 @@ pub fn ends_with_punctuation(checker: &mut Checker, definition: &Definition) {
     } = &docstring.node else {
         return
     };
-    let Some(string) = string.trim().lines().next() else {
-        return
-    };
-    if string.ends_with('.') || string.ends_with('!') || string.ends_with('?') {
-        return;
+    if let Some(index) = logical_line(string) {
+        let line = string.lines().nth(index).unwrap();
+        let trimmed = line.trim_end();
+        if !(trimmed.ends_with('.') || trimmed.ends_with('!') || trimmed.ends_with('?')) {
+            let mut check =
+                Check::new(CheckKind::EndsInPunctuation, Range::from_located(docstring));
+            // Best-effort autofix: avoid adding a period after other punctuation marks.
+            if checker.patch(&CheckCode::D415) && !trimmed.ends_with(':') && !trimmed.ends_with(';')
+            {
+                if let Some((row, column)) = if index == 0 {
+                    leading_quote(docstring, checker.locator).map(|pattern| {
+                        (
+                            docstring.location.row(),
+                            docstring.location.column() + pattern.len() + trimmed.chars().count(),
+                        )
+                    })
+                } else {
+                    Some((docstring.location.row() + index, trimmed.chars().count()))
+                } {
+                    check.amend(Fix::insertion(".".to_string(), Location::new(row, column)));
+                }
+            }
+            checker.add_check(check);
+        };
     }
-    checker.add_check(Check::new(
-        CheckKind::EndsInPunctuation,
-        Range::from_located(docstring),
-    ));
 }
 
 /// D418
@@ -894,7 +916,7 @@ pub fn if_needed(checker: &mut Checker, definition: &Definition) {
     ) = definition.kind else {
         return
     };
-    if !is_overload(checker, stmt) {
+    if !is_overload(checker, cast::decorator_list(stmt)) {
         return;
     }
     checker.add_check(Check::new(
@@ -1378,7 +1400,7 @@ fn missing_args(checker: &mut Checker, definition: &Definition, docstrings_args:
     };
 
     // Look for arguments that weren't included in the docstring.
-    let mut missing_arg_names: BTreeSet<String> = BTreeSet::default();
+    let mut missing_arg_names: FxHashSet<String> = FxHashSet::default();
     for arg in arguments
         .args
         .iter()
@@ -1388,7 +1410,7 @@ fn missing_args(checker: &mut Checker, definition: &Definition, docstrings_args:
             // If this is a non-static method, skip `cls` or `self`.
             usize::from(
                 matches!(definition.kind, DefinitionKind::Method(_))
-                    && !is_staticmethod(checker, parent),
+                    && !is_staticmethod(checker, cast::decorator_list(parent)),
             ),
         )
     {

src/pydocstyle/snapshots/ruff__pydocstyle__tests__D210_D.py.snap

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

src/pydocstyle/snapshots/ruff__pydocstyle__tests__D400_D.py.snap

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

src/pydocstyle/snapshots/ruff__pydocstyle__tests__D400_D400.py.snap

@@ -0,0 +1,185 @@
+---
+source: src/pydocstyle/mod.rs
+expression: checks
+---
+- kind: EndsInPeriod
+  location:
+    row: 2
+    column: 4
+  end_location:
+    row: 2
+    column: 36
+  fix:
+    content: "."
+    location:
+      row: 2
+      column: 35
+    end_location:
+      row: 2
+      column: 35
+- kind: EndsInPeriod
+  location:
+    row: 7
+    column: 4
+  end_location:
+    row: 7
+    column: 40
+  fix:
+    content: "."
+    location:
+      row: 7
+      column: 37
+    end_location:
+      row: 7
+      column: 37
+- kind: EndsInPeriod
+  location:
+    row: 12
+    column: 4
+  end_location:
+    row: 15
+    column: 7
+  fix:
+    content: "."
+    location:
+      row: 14
+      column: 28
+    end_location:
+      row: 14
+      column: 28
+- kind: EndsInPeriod
+  location:
+    row: 20
+    column: 4
+  end_location:
+    row: 20
+    column: 40
+  fix:
+    content: "."
+    location:
+      row: 20
+      column: 37
+    end_location:
+      row: 20
+      column: 37
+- kind: EndsInPeriod
+  location:
+    row: 25
+    column: 4
+  end_location:
+    row: 27
+    column: 31
+  fix:
+    content: "."
+    location:
+      row: 27
+      column: 28
+    end_location:
+      row: 27
+      column: 28
+- kind: EndsInPeriod
+  location:
+    row: 32
+    column: 4
+  end_location:
+    row: 34
+    column: 52
+  fix:
+    content: "."
+    location:
+      row: 34
+      column: 48
+    end_location:
+      row: 34
+      column: 48
+- kind: EndsInPeriod
+  location:
+    row: 40
+    column: 4
+  end_location:
+    row: 40
+    column: 37
+  fix:
+    content: "."
+    location:
+      row: 40
+      column: 36
+    end_location:
+      row: 40
+      column: 36
+- kind: EndsInPeriod
+  location:
+    row: 45
+    column: 4
+  end_location:
+    row: 45
+    column: 41
+  fix:
+    content: "."
+    location:
+      row: 45
+      column: 38
+    end_location:
+      row: 45
+      column: 38
+- kind: EndsInPeriod
+  location:
+    row: 50
+    column: 4
+  end_location:
+    row: 53
+    column: 7
+  fix:
+    content: "."
+    location:
+      row: 52
+      column: 28
+    end_location:
+      row: 52
+      column: 28
+- kind: EndsInPeriod
+  location:
+    row: 58
+    column: 4
+  end_location:
+    row: 58
+    column: 41
+  fix:
+    content: "."
+    location:
+      row: 58
+      column: 38
+    end_location:
+      row: 58
+      column: 38
+- kind: EndsInPeriod
+  location:
+    row: 63
+    column: 4
+  end_location:
+    row: 65
+    column: 31
+  fix:
+    content: "."
+    location:
+      row: 65
+      column: 28
+    end_location:
+      row: 65
+      column: 28
+- kind: EndsInPeriod
+  location:
+    row: 70
+    column: 4
+  end_location:
+    row: 72
+    column: 52
+  fix:
+    content: "."
+    location:
+      row: 72
+      column: 48
+    end_location:
+      row: 72
+      column: 48
+