Bump version to 0.0.108

Support allow_star_arg_any in flake8-to-ruff
Implement ANN401 (#657 )
2022-11-08 13:20:35 -05:00 · 2022-11-08 09:51:11 -05:00 · 2022-11-08 09:49:44 -05:00 · 2022-11-08 09:37:17 -05:00 · 2022-11-07 22:26:57 -05:00 · 2022-11-07 21:16:34 -05:00
122 changed files with 3548 additions and 712 deletions
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -1,6 +1,6 @@
 repos:
  - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.104
+    rev: v0.0.108
    hooks:
      - id: ruff

--- a/Cargo.lock
+++ b/Cargo.lock
@@ -920,7 +920,7 @@ checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"

 [[package]]
 name = "flake8-to-ruff"
-version = "0.0.104-dev.0"
+version = "0.0.108-dev.0"
 dependencies = [
 "anyhow",
 "clap 4.0.15",
@@ -2221,7 +2221,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.104"
+version = "0.0.108"
 dependencies = [
 "anyhow",
 "assert_cmd",
@@ -2266,7 +2266,7 @@ dependencies = [

 [[package]]
 name = "ruff_dev"
-version = "0.0.104"
+version = "0.0.108"
 dependencies = [
 "anyhow",
 "clap 4.0.15",
@@ -2295,7 +2295,7 @@ dependencies = [
 [[package]]
 name = "rustpython-ast"
 version = "0.1.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "num-bigint",
 "rustpython-common",
@@ -2305,7 +2305,7 @@ dependencies = [
 [[package]]
 name = "rustpython-common"
 version = "0.0.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "ascii",
 "cfg-if 1.0.0",
@@ -2328,7 +2328,7 @@ dependencies = [
 [[package]]
 name = "rustpython-compiler-core"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "bincode",
 "bitflags",
@@ -2345,7 +2345,7 @@ dependencies = [
 [[package]]
 name = "rustpython-parser"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "ahash",
 "anyhow",
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ members = [

 [package]
 name = "ruff"
-version = "0.0.104"
+version = "0.0.108"
 edition = "2021"

 [lib]
@@ -33,9 +33,9 @@ path-absolutize = { version = "3.0.14", features = ["once_cell_cache", "use_unix
 rayon = { version = "1.5.3" }
 regex = { version = "1.6.0" }
 ropey = { version = "1.5.0" }
-rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "77b821a1941019fe34f73ce17cea013ae1b98fd0" }
-rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "77b821a1941019fe34f73ce17cea013ae1b98fd0" }
-rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "77b821a1941019fe34f73ce17cea013ae1b98fd0" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
+rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
+rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
 serde = { version = "1.0.143", features = ["derive"] }
 serde_json = { version = "1.0.83" }
 strum = { version = "0.24.1", features = ["strum_macros"] }
--- a/README.md
+++ b/README.md
@@ -15,15 +15,15 @@ An extremely fast Python linter, written in Rust.
  <i>Linting the CPython codebase from scratch.</i>
 </p>

- ⚡️ 10-100x faster than existing linters
- 🐍 Installable via `pip`
- 🤝 Python 3.10 compatibility
- 🛠️ `pyproject.toml` support
- 📦 [ESLint](https://eslint.org/docs/latest/user-guide/command-line-interface#caching)-inspired cache support
- 🔧 [ESLint](https://eslint.org/docs/latest/user-guide/command-line-interface#--fix)-inspired autofix support (e.g., automatically remove unused imports)
- 👀 [TypeScript](https://www.typescriptlang.org/docs/handbook/configuring-watch.html)-inspired `--watch` support, for continuous file monitoring
- ⚖️ [Near-parity](#how-does-ruff-compare-to-flake8) with the built-in Flake8 rule set
- 🔌 Native re-implementations of popular Flake8 plugins, like [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/) ([`pydocstyle`](https://pypi.org/project/pydocstyle/))
+- ⚡️  10-100x faster than existing linters
+- 🐍  Installable via `pip`
+- 🤝  Python 3.10 compatibility
+- 🛠️  `pyproject.toml` support
+- 📦  Built-in caching, to avoid re-analyzing unchanged files
+- 🔧  `--fix` support, for automatic error correction (e.g., automatically remove unused imports)
+- 👀  `--watch` support, for continuous file monitoring
+- ⚖️  [Near-parity](#how-does-ruff-compare-to-flake8) with the built-in Flake8 rule set
+- 🔌  Native re-implementations of popular Flake8 plugins, like [`flake8-docstrings`](https://pypi.org/project/flake8-docstrings/) ([`pydocstyle`](https://pypi.org/project/pydocstyle/))

 Ruff aims to be orders of magnitude faster than alternative tools while integrating more
 functionality behind a single, common interface. Ruff can be used to replace Flake8 (plus a variety
@@ -31,6 +31,9 @@ of plugins), [`pydocstyle`](https://pypi.org/project/pydocstyle/), [`yesqa`](htt
 and even a subset of [`pyupgrade`](https://pypi.org/project/pyupgrade/) and [`autoflake`](https://pypi.org/project/autoflake/)
 all while executing tens or hundreds of times faster than any individual tool.

+(Coming from Flake8? Try [`flake8-to-ruff`](https://pypi.org/project/flake8-to-ruff/) to
+automatically convert your existing configuration.)
+
 Ruff is actively developed and used in major open-source projects
 like [Zulip](https://github.com/zulip/zulip), [pydantic](https://github.com/pydantic/pydantic),
 and [Saleor](https://github.com/saleor/saleor).
@@ -52,8 +55,9 @@ Read the [launch blog post](https://notes.crmarsh.com/python-tooling-could-be-mu
   8. [flake8-builtins](#flake8-builtins)
   9. [flake8-print](#flake8-print)
   10. [flake8-quotes](#flake8-quotes)
-   11. [Ruff-specific rules](#ruff-specific-rules)
-   12. [Meta rules](#meta-rules)
+   11. [flake8-annotations](#flake8-annotations)
+   12. [Ruff-specific rules](#ruff-specific-rules)
+   13. [Meta rules](#meta-rules)
 5. [Editor Integrations](#editor-integrations)
 6. [FAQ](#faq)
 7. [Development](#development)
@@ -93,7 +97,7 @@ Ruff also works with [pre-commit](https://pre-commit.com):
 ```yaml
 repos:
  - repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: v0.0.104
+    rev: v0.0.108
    hooks:
      - id: ruff
 ```
@@ -199,7 +203,7 @@ Options:
          Exit with status code "0", even upon detecting errors
  -w, --watch
          Run in watch mode by re-running whenever files change
-  -f, --fix
+      --fix
          Attempt to automatically fix lint errors
  -n, --no-cache
          Disable cache reads
@@ -427,6 +431,7 @@ For more, see [pyupgrade](https://pypi.org/project/pyupgrade/3.2.0/) on PyPI.
 | U007 | UsePEP604Annotation | Use `X \| Y` for type annotations | 🛠 |
 | U008 | SuperCallWithParameters | Use `super()` instead of `super(__class__, self)` | 🛠 |
 | U009 | PEP3120UnnecessaryCodingComment | utf-8 encoding declaration is unnecessary | 🛠 |
+| U010 | UnnecessaryFutureImport | Unnessary __future__ import `...` for target Python version |  |

 ### pep8-naming

@@ -460,7 +465,7 @@ For more, see [flake8-comprehensions](https://pypi.org/project/flake8-comprehens
 | C401 | UnnecessaryGeneratorSet | Unnecessary generator (rewrite as a `set` comprehension) | 🛠 |
 | C402 | UnnecessaryGeneratorDict | Unnecessary generator (rewrite as a `dict` comprehension) | 🛠 |
 | C403 | UnnecessaryListComprehensionSet | Unnecessary `list` comprehension (rewrite as a `set` comprehension) | 🛠 |
-| C404 | UnnecessaryListComprehensionDict | Unnecessary `list` comprehension (rewrite as a `dict` comprehension) |  |
+| C404 | UnnecessaryListComprehensionDict | Unnecessary `list` comprehension (rewrite as a `dict` comprehension) | 🛠 |
 | C405 | UnnecessaryLiteralSet | Unnecessary `(list\|tuple)` literal (rewrite as a `set` literal) | 🛠 |
 | C406 | UnnecessaryLiteralDict | Unnecessary `(list\|tuple)` literal (rewrite as a `dict` literal) | 🛠 |
 | C408 | UnnecessaryCollectionCall | Unnecessary `(dict\|list\|tuple)` call (rewrite as a literal) | 🛠 |
@@ -481,6 +486,8 @@ For more, see [flake8-bugbear](https://pypi.org/project/flake8-bugbear/22.10.27/
 | ---- | ---- | ------- | --- |
 | B002 | UnaryPrefixIncrement | Python does not support the unary prefix increment. |  |
 | B003 | AssignmentToOsEnviron | Assigning to `os.environ` doesn't clear the environment. |  |
+| B004 | UnreliableCallableCheck |  Using `hasattr(x, '__call__')` to test if x is callable is unreliable. Use `callable(x)` for consistent results. |  |
+| B005 | StripWithMultiCharacters | Using `.strip()` with multi-character strings is misleading the reader. |  |
 | B006 | MutableArgumentDefault | Do not use mutable data structures for argument defaults. |  |
 | B007 | UnusedLoopControlVariable | Loop control variable `i` not used within the loop body. | 🛠 |
 | B008 | FunctionCallArgumentDefault | Do not perform function calls in argument defaults. |  |
@@ -523,12 +530,31 @@ For more, see [flake8-quotes](https://pypi.org/project/flake8-quotes/3.3.1/) on
 | Q002 | BadQuotesDocstring | Single quote docstring found but double quotes preferred |  |
 | Q003 | AvoidQuoteEscape | Change outer quotes to avoid escaping inner quotes |  |

+### flake8-annotations
+
+For more, see [flake8-annotations](https://pypi.org/project/flake8-annotations/2.9.1/) on PyPI.
+
+| Code | Name | Message | Fix |
+| ---- | ---- | ------- | --- |
+| ANN001 | MissingTypeFunctionArgument | Missing type annotation for function argument `...` |  |
+| ANN002 | MissingTypeArgs | Missing type annotation for `*...` |  |
+| ANN003 | MissingTypeKwargs | Missing type annotation for `**...` |  |
+| ANN101 | MissingTypeSelf | Missing type annotation for `...` in method |  |
+| ANN102 | MissingTypeCls | Missing type annotation for `...` in classmethod |  |
+| ANN201 | MissingReturnTypePublicFunction | Missing return type annotation for public function `...` |  |
+| ANN202 | MissingReturnTypePrivateFunction | Missing return type annotation for private function `...` |  |
+| ANN204 | MissingReturnTypeMagicMethod | Missing return type annotation for magic method `...` |  |
+| ANN205 | MissingReturnTypeStaticMethod | Missing return type annotation for staticmethod `...` |  |
+| ANN206 | MissingReturnTypeClassMethod | Missing return type annotation for classmethod `...` |  |
+| ANN401 | DynamicallyTypedExpression | Dynamically typed expressions (typing.Any) are disallowed in `...` |  |
+
 ### Ruff-specific rules

 | Code | Name | Message | Fix |
 | ---- | ---- | ------- | --- |
 | RUF001 | AmbiguousUnicodeCharacterString | String contains ambiguous unicode character '𝐁' (did you mean 'B'?) | 🛠 |
 | RUF002 | AmbiguousUnicodeCharacterDocstring | Docstring contains ambiguous unicode character '𝐁' (did you mean 'B'?) | 🛠 |
+| RUF003 | AmbiguousUnicodeCharacterComment | Comment contains ambiguous unicode character '𝐁' (did you mean 'B'?) |  |

 ### Meta rules

@@ -588,6 +614,9 @@ stylistic lint rules that are obviated by autoformatting.

 ### How does Ruff compare to Flake8?

+(Coming from Flake8? Try [`flake8-to-ruff`](https://pypi.org/project/flake8-to-ruff/) to
+automatically convert your existing configuration.)
+
 Ruff can be used as a (near) drop-in replacement for Flake8 when used (1) without or with a small
 number of plugins, (2) alongside Black, and (3) on Python 3 code.

@@ -605,9 +634,10 @@ including:
 - [`flake8-super`](https://pypi.org/project/flake8-super/)
 - [`flake8-print`](https://pypi.org/project/flake8-print/)
 - [`flake8-quotes`](https://pypi.org/project/flake8-quotes/)
+- [`flake8-annotations`](https://pypi.org/project/flake8-annotations/)
 - [`flake8-comprehensions`](https://pypi.org/project/flake8-comprehensions/)
- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/) (15/32)
- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (11/34)
+- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/) (17/32)
+- [`pyupgrade`](https://pypi.org/project/pyupgrade/) (12/34)
 - [`autoflake`](https://pypi.org/project/autoflake/) (1/7)

 Beyond rule-set parity, Ruff suffers from the following limitations vis-à-vis Flake8:
@@ -627,11 +657,12 @@ Today, Ruff can be used to replace Flake8 when used with any of the following pl
 - [`flake8-super`](https://pypi.org/project/flake8-super/)
 - [`flake8-print`](https://pypi.org/project/flake8-print/)
 - [`flake8-quotes`](https://pypi.org/project/flake8-quotes/)
+- [`flake8-annotations`](https://pypi.org/project/flake8-annotations/)
 - [`flake8-comprehensions`](https://pypi.org/project/flake8-comprehensions/)
- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/) (15/32)
+- [`flake8-bugbear`](https://pypi.org/project/flake8-bugbear/) (17/32)

 Ruff also implements the functionality that you get from [`yesqa`](https://github.com/asottile/yesqa),
-and a subset of the rules implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (11/34).
+and a subset of the rules implemented in [`pyupgrade`](https://pypi.org/project/pyupgrade/) (12/34).

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

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

 [[package]]
 name = "flake8_to_ruff"
-version = "0.0.104"
+version = "0.0.108"
 dependencies = [
 "anyhow",
 "clap",
@@ -1975,7 +1975,7 @@ dependencies = [

 [[package]]
 name = "ruff"
-version = "0.0.104"
+version = "0.0.108"
 dependencies = [
 "anyhow",
 "bincode",
@@ -2028,7 +2028,7 @@ dependencies = [
 [[package]]
 name = "rustpython-ast"
 version = "0.1.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "num-bigint",
 "rustpython-common",
@@ -2038,7 +2038,7 @@ dependencies = [
 [[package]]
 name = "rustpython-common"
 version = "0.0.0"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "ascii",
 "cfg-if 1.0.0",
@@ -2061,7 +2061,7 @@ dependencies = [
 [[package]]
 name = "rustpython-compiler-core"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "bincode",
 "bitflags",
@@ -2078,7 +2078,7 @@ dependencies = [
 [[package]]
 name = "rustpython-parser"
 version = "0.1.2"
-source = "git+https://github.com/RustPython/RustPython.git?rev=77b821a1941019fe34f73ce17cea013ae1b98fd0#77b821a1941019fe34f73ce17cea013ae1b98fd0"
+source = "git+https://github.com/RustPython/RustPython.git?rev=27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb#27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb"
 dependencies = [
 "ahash",
 "anyhow",
--- a/flake8_to_ruff/Cargo.toml
+++ b/flake8_to_ruff/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "flake8-to-ruff"
-version = "0.0.104-dev.0"
+version = "0.0.108-dev.0"
 edition = "2021"

 [lib]
--- a/flake8_to_ruff/src/converter.rs
+++ b/flake8_to_ruff/src/converter.rs
@@ -1,10 +1,11 @@
 use std::collections::{BTreeSet, HashMap};

 use anyhow::Result;
+use ruff::checks_gen::CheckCodePrefix;
 use ruff::flake8_quotes::settings::Quote;
 use ruff::settings::options::Options;
 use ruff::settings::pyproject::Pyproject;
-use ruff::{flake8_quotes, pep8_naming};
+use ruff::{flake8_annotations, flake8_quotes, pep8_naming};

 use crate::plugin::Plugin;
 use crate::{parser, plugin};
@@ -13,6 +14,29 @@ pub fn convert(
    flake8: &HashMap<String, Option<String>>,
    plugins: Option<Vec<Plugin>>,
 ) -> Result<Pyproject> {
+    // Extract all referenced check code prefixes, to power plugin inference.
+    let mut referenced_codes: BTreeSet<CheckCodePrefix> = Default::default();
+    for (key, value) in flake8 {
+        if let Some(value) = value {
+            match key.as_str() {
+                "select" | "ignore" | "extend-select" | "extend_select" | "extend-ignore"
+                | "extend_ignore" => {
+                    referenced_codes.extend(parser::parse_prefix_codes(value.as_ref()));
+                }
+                "per-file-ignores" | "per_file_ignores" => {
+                    if let Ok(per_file_ignores) =
+                        parser::parse_files_to_codes_mapping(value.as_ref())
+                    {
+                        for (_, codes) in parser::collect_per_file_ignores(per_file_ignores) {
+                            referenced_codes.extend(codes);
+                        }
+                    }
+                }
+                _ => {}
+            }
+        }
+    }
+
    // Check if the user has specified a `select`. If not, we'll add our own
    // default `select`, and populate it based on user plugins.
    let mut select = flake8
@@ -25,7 +49,12 @@ pub fn convert(
        .unwrap_or_else(|| {
            plugin::resolve_select(
                flake8,
-                &plugins.unwrap_or_else(|| plugin::infer_plugins(flake8)),
+                &plugins.unwrap_or_else(|| {
+                    plugin::infer_plugins_from_options(flake8)
+                        .into_iter()
+                        .chain(plugin::infer_plugins_from_codes(&referenced_codes))
+                        .collect()
+                }),
            )
        });
    let mut ignore = flake8
@@ -39,6 +68,7 @@ pub fn convert(

    // Parse each supported option.
    let mut options: Options = Default::default();
+    let mut flake8_annotations: flake8_annotations::settings::Options = Default::default();
    let mut flake8_quotes: flake8_quotes::settings::Options = Default::default();
    let mut pep8_naming: pep8_naming::settings::Options = Default::default();
    for (key, value) in flake8 {
@@ -51,6 +81,7 @@ pub fn convert(
                },
                "select" => {
                    // No-op (handled above).
+                    select.extend(parser::parse_prefix_codes(value.as_ref()));
                }
                "ignore" => {
                    // No-op (handled above).
@@ -78,6 +109,31 @@ pub fn convert(
                        Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
                    }
                }
+                // flake8-annotations
+                "suppress-none-returning" | "suppress_none_returning" => {
+                    match parser::parse_bool(value.as_ref()) {
+                        Ok(bool) => flake8_annotations.suppress_none_returning = Some(bool),
+                        Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
+                    }
+                }
+                "suppress-dummy-args" | "suppress_dummy_args" => {
+                    match parser::parse_bool(value.as_ref()) {
+                        Ok(bool) => flake8_annotations.suppress_dummy_args = Some(bool),
+                        Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
+                    }
+                }
+                "mypy-init-return" | "mypy_init_return" => {
+                    match parser::parse_bool(value.as_ref()) {
+                        Ok(bool) => flake8_annotations.mypy_init_return = Some(bool),
+                        Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
+                    }
+                }
+                "allow-star-arg-any" | "allow_star_arg_any" => {
+                    match parser::parse_bool(value.as_ref()) {
+                        Ok(bool) => flake8_annotations.allow_star_arg_any = Some(bool),
+                        Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
+                    }
+                }
                // flake8-quotes
                "quotes" | "inline-quotes" | "inline_quotes" => match value.trim() {
                    "'" | "single" => flake8_quotes.inline_quotes = Some(Quote::Single),
@@ -94,10 +150,9 @@ pub fn convert(
                    "\"" | "double" => flake8_quotes.docstring_quotes = Some(Quote::Single),
                    _ => eprintln!("Unexpected '{key}' value: {value}"),
                },
-                "avoid-escape" | "avoid_escape" => match value.trim() {
-                    "true" => flake8_quotes.avoid_escape = Some(true),
-                    "false" => flake8_quotes.avoid_escape = Some(false),
-                    _ => eprintln!("Unexpected '{key}' value: {value}"),
+                "avoid-escape" | "avoid_escape" => match parser::parse_bool(value.as_ref()) {
+                    Ok(bool) => flake8_quotes.avoid_escape = Some(bool),
+                    Err(e) => eprintln!("Unable to parse '{key}' property: {e}"),
                },
                // pep8-naming
                "ignore-names" | "ignore_names" => {
@@ -153,6 +208,7 @@ mod tests {
        let actual = convert(&HashMap::from([]), None)?;
        let expected = Pyproject::new(Options {
            line_length: None,
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -166,6 +222,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: None,
            pep8_naming: None,
        });
@@ -182,6 +239,7 @@ mod tests {
        )?;
        let expected = Pyproject::new(Options {
            line_length: Some(100),
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -195,6 +253,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: None,
            pep8_naming: None,
        });
@@ -211,6 +270,7 @@ mod tests {
        )?;
        let expected = Pyproject::new(Options {
            line_length: Some(100),
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -224,6 +284,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: None,
            pep8_naming: None,
        });
@@ -240,6 +301,7 @@ mod tests {
        )?;
        let expected = Pyproject::new(Options {
            line_length: None,
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -253,6 +315,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: None,
            pep8_naming: None,
        });
@@ -269,6 +332,7 @@ mod tests {
        )?;
        let expected = Pyproject::new(Options {
            line_length: None,
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -282,6 +346,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: Some(flake8_quotes::settings::Options {
                inline_quotes: Some(flake8_quotes::settings::Quote::Single),
                multiline_quotes: None,
@@ -306,6 +371,7 @@ mod tests {
        )?;
        let expected = Pyproject::new(Options {
            line_length: None,
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -354,6 +420,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: None,
            pep8_naming: None,
        });
@@ -370,6 +437,7 @@ mod tests {
        )?;
        let expected = Pyproject::new(Options {
            line_length: None,
+            fix: None,
            exclude: None,
            extend_exclude: None,
            select: Some(vec![
@@ -384,6 +452,7 @@ mod tests {
            per_file_ignores: None,
            dummy_variable_rgx: None,
            target_version: None,
+            flake8_annotations: None,
            flake8_quotes: Some(flake8_quotes::settings::Options {
                inline_quotes: Some(flake8_quotes::settings::Quote::Single),
                multiline_quotes: None,
--- a/flake8_to_ruff/src/parser.rs
+++ b/flake8_to_ruff/src/parser.rs
@@ -37,6 +37,15 @@ pub fn parse_strings(value: &str) -> Vec<String> {
        .collect()
 }

+/// Parse a boolean.
+pub fn parse_bool(value: &str) -> Result<bool> {
+    match value.trim() {
+        "true" => Ok(true),
+        "false" => Ok(false),
+        _ => Err(anyhow::anyhow!("Unexpected boolean value: {value}")),
+    }
+}
+
 #[derive(Debug)]
 struct Token {
    token_name: TokenType,
--- a/flake8_to_ruff/src/plugin.rs
+++ b/flake8_to_ruff/src/plugin.rs
@@ -12,6 +12,7 @@ pub enum Plugin {
    Flake8Docstrings,
    Flake8Print,
    Flake8Quotes,
+    Flake8Annotations,
    PEP8Naming,
    Pyupgrade,
 }
@@ -27,6 +28,7 @@ impl FromStr for Plugin {
            "flake8-docstrings" => Ok(Plugin::Flake8Docstrings),
            "flake8-print" => Ok(Plugin::Flake8Print),
            "flake8-quotes" => Ok(Plugin::Flake8Quotes),
+            "flake8-annotations" => Ok(Plugin::Flake8Annotations),
            "pep8-naming" => Ok(Plugin::PEP8Naming),
            "pyupgrade" => Ok(Plugin::Pyupgrade),
            _ => Err(anyhow!("Unknown plugin: {}", string)),
@@ -35,6 +37,20 @@ impl FromStr for Plugin {
 }

 impl Plugin {
+    pub fn default(&self) -> CheckCodePrefix {
+        match self {
+            Plugin::Flake8Bugbear => CheckCodePrefix::B,
+            Plugin::Flake8Builtins => CheckCodePrefix::A,
+            Plugin::Flake8Comprehensions => CheckCodePrefix::C,
+            Plugin::Flake8Docstrings => CheckCodePrefix::D,
+            Plugin::Flake8Print => CheckCodePrefix::T,
+            Plugin::Flake8Quotes => CheckCodePrefix::Q,
+            Plugin::Flake8Annotations => CheckCodePrefix::ANN,
+            Plugin::PEP8Naming => CheckCodePrefix::N,
+            Plugin::Pyupgrade => CheckCodePrefix::U,
+        }
+    }
+
    pub fn select(&self, flake8: &HashMap<String, Option<String>>) -> Vec<CheckCodePrefix> {
        match self {
            Plugin::Flake8Bugbear => vec![CheckCodePrefix::B],
@@ -58,6 +74,7 @@ impl Plugin {
            }
            Plugin::Flake8Print => vec![CheckCodePrefix::T],
            Plugin::Flake8Quotes => vec![CheckCodePrefix::Q],
+            Plugin::Flake8Annotations => vec![CheckCodePrefix::ANN],
            Plugin::PEP8Naming => vec![CheckCodePrefix::N],
            Plugin::Pyupgrade => vec![CheckCodePrefix::U],
        }
@@ -236,8 +253,11 @@ impl DocstringConvention {
    }
 }

-/// Infer the enabled plugins based on user-provided settings.
-pub fn infer_plugins(flake8: &HashMap<String, Option<String>>) -> Vec<Plugin> {
+/// Infer the enabled plugins based on user-provided options.
+///
+/// For example, if the user specified a `mypy-init-return` setting, we should
+/// infer that `flake8-annotations` is active.
+pub fn infer_plugins_from_options(flake8: &HashMap<String, Option<String>>) -> Vec<Plugin> {
    let mut plugins = BTreeSet::new();
    for key in flake8.keys() {
        match key.as_str() {
@@ -262,6 +282,31 @@ pub fn infer_plugins(flake8: &HashMap<String, Option<String>>) -> Vec<Plugin> {
            "avoid-escape" | "avoid_escape" => {
                plugins.insert(Plugin::Flake8Quotes);
            }
+            // flake8-annotations
+            "suppress-none-returning" | "suppress_none_returning" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "suppress-dummy-args" | "suppress_dummy_args" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "allow-untyped-defs" | "allow_untyped_defs" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "allow-untyped-nested" | "allow_untyped_nested" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "mypy-init-return" | "mypy_init_return" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "dispatch-decorators" | "dispatch_decorators" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "overload-decorators" | "overload_decorators" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
+            "allow-star-arg-any" | "allow_star_arg_any" => {
+                plugins.insert(Plugin::Flake8Annotations);
+            }
            // pep8-naming
            "ignore-names" | "ignore_names" => {
                plugins.insert(Plugin::PEP8Naming);
@@ -278,6 +323,38 @@ pub fn infer_plugins(flake8: &HashMap<String, Option<String>>) -> Vec<Plugin> {
    Vec::from_iter(plugins)
 }

+/// Infer the enabled plugins based on the referenced prefixes.
+///
+/// For example, if the user ignores `ANN101`, we should infer that
+/// `flake8-annotations` is active.
+pub fn infer_plugins_from_codes(codes: &BTreeSet<CheckCodePrefix>) -> Vec<Plugin> {
+    [
+        Plugin::Flake8Bugbear,
+        Plugin::Flake8Builtins,
+        Plugin::Flake8Comprehensions,
+        Plugin::Flake8Docstrings,
+        Plugin::Flake8Print,
+        Plugin::Flake8Quotes,
+        Plugin::Flake8Annotations,
+        Plugin::PEP8Naming,
+        Plugin::Pyupgrade,
+    ]
+    .into_iter()
+    .filter(|plugin| {
+        for prefix in codes {
+            if prefix
+                .codes()
+                .iter()
+                .any(|code| plugin.default().codes().contains(code))
+            {
+                return true;
+            }
+        }
+        false
+    })
+    .collect()
+}
+
 /// Resolve the set of enabled `CheckCodePrefix` values for the given plugins.
 pub fn resolve_select(
    flake8: &HashMap<String, Option<String>>,
@@ -288,9 +365,7 @@ pub fn resolve_select(

    // Add prefix codes for every plugin.
    for plugin in plugins {
-        for prefix in plugin.select(flake8) {
-            select.insert(prefix);
-        }
+        select.extend(plugin.select(flake8));
    }

    select
@@ -300,18 +375,18 @@ pub fn resolve_select(
 mod tests {
    use std::collections::HashMap;

-    use crate::plugin::{infer_plugins, Plugin};
+    use crate::plugin::{infer_plugins_from_options, Plugin};

    #[test]
    fn it_infers_plugins() {
-        let actual = infer_plugins(&HashMap::from([(
+        let actual = infer_plugins_from_options(&HashMap::from([(
            "inline-quotes".to_string(),
            Some("single".to_string()),
        )]));
        let expected = vec![Plugin::Flake8Quotes];
        assert_eq!(actual, expected);

-        let actual = infer_plugins(&HashMap::from([(
+        let actual = infer_plugins_from_options(&HashMap::from([(
            "staticmethod-decorators".to_string(),
            Some("[]".to_string()),
        )]));
--- a/resources/test/fixtures/B004.py
+++ b/resources/test/fixtures/B004.py
@@ -0,0 +1,12 @@
+def this_is_a_bug():
+    o = object()
+    if hasattr(o, "__call__"):
+        print("Ooh, callable! Or is it?")
+    if getattr(o, "__call__", False):
+        print("Ooh, callable! Or is it?")
+
+
+def this_is_fine():
+    o = object()
+    if callable(o):
+        print("Ooh, this is actually callable.")
--- a/resources/test/fixtures/B005.py
+++ b/resources/test/fixtures/B005.py
@@ -0,0 +1,26 @@
+s = "qwe"
+s.strip(s)  # no warning
+s.strip("we")  # no warning
+s.strip(".facebook.com")  # warning
+s.strip("e")  # no warning
+s.strip("\n\t ")  # no warning
+s.strip(r"\n\t ")  # warning
+s.lstrip(s)  # no warning
+s.lstrip("we")  # no warning
+s.lstrip(".facebook.com")  # warning
+s.lstrip("e")  # no warning
+s.lstrip("\n\t ")  # no warning
+s.lstrip(r"\n\t ")  # warning
+s.rstrip(s)  # no warning
+s.rstrip("we")  # warning
+s.rstrip(".facebook.com")  # warning
+s.rstrip("e")  # no warning
+s.rstrip("\n\t ")  # no warning
+s.rstrip(r"\n\t ")  # warning
+
+from somewhere import other_type, strip
+
+strip("we")  # no warning
+other_type().lstrip()  # no warning
+other_type().rstrip(["a", "b", "c"])  # no warning
+other_type().strip("a", "b")  # no warning
--- a/resources/test/fixtures/RUF001.py
+++ b/resources/test/fixtures/RUF001.py
@@ -2,5 +2,6 @@ x = "𝐁ad string"


 def f():
-    """Here's a comment with an unusual parenthesis: ）"""
+    """Here's a docstring with an unusual parenthesis: ）"""
+    # And here's a comment with an unusual punctuation mark: ᜵
    ...
--- a/resources/test/fixtures/RUF002.py
+++ b/resources/test/fixtures/RUF002.py
@@ -2,5 +2,6 @@ x = "𝐁ad string"


 def f():
-    """Here's a comment with an unusual parenthesis: ）"""
+    """Here's a docstring with an unusual parenthesis: ）"""
+    # And here's a comment with an unusual punctuation mark: ᜵
    ...
--- a/resources/test/fixtures/RUF003.py
+++ b/resources/test/fixtures/RUF003.py
@@ -0,0 +1,7 @@
+x = "𝐁ad string"
+
+
+def f():
+    """Here's a docstring with an unusual parenthesis: ）"""
+    # And here's a comment with an unusual punctuation mark: ᜵
+    ...
--- a/resources/test/fixtures/U010.py
+++ b/resources/test/fixtures/U010.py
@@ -0,0 +1,5 @@
+from __future__ import annotations, nested_scopes, generators
+
+from __future__ import absolute_import, division
+
+from __future__ import generator_stop
--- a/resources/test/fixtures/flake8_annotations/allow_star_arg_any.py
+++ b/resources/test/fixtures/flake8_annotations/allow_star_arg_any.py
@@ -0,0 +1,57 @@
+from typing import Any
+
+
+# OK
+def foo(a: int, *args: str, **kwargs: str) -> int:
+    pass
+
+
+# ANN401
+def foo(a: Any, *args: str, **kwargs: str) -> int:
+    pass
+
+
+# ANN401
+def foo(a: int, *args: str, **kwargs: str) -> Any:
+    pass
+
+
+# OK
+def foo(a: int, *args: Any, **kwargs: Any) -> int:
+    pass
+
+
+# OK
+def foo(a: int, *args: Any, **kwargs: str) -> int:
+    pass
+
+
+# ANN401
+def foo(a: int, *args: str, **kwargs: Any) -> int:
+    pass
+
+
+class Bar:
+    # OK
+    def foo_method(self, a: int, *params: str, **options: str) -> int:
+        pass
+
+    # ANN401
+    def foo_method(self, a: Any, *params: str, **options: str) -> int:
+        pass
+
+    # ANN401
+    def foo_method(self, a: int, *params: str, **options: str) -> Any:
+        pass
+
+    # OK
+    def foo_method(self, a: int, *params: Any, **options: Any) -> int:
+        pass
+
+    # OK
+    def foo_method(self, a: int, *params: Any, **options: str) -> int:
+        pass
+
+    # OK
+    def foo_method(self, a: int, *params: str, **options: Any) -> int:
+        pass
--- a/resources/test/fixtures/flake8_annotations/annotation_presence.py
+++ b/resources/test/fixtures/flake8_annotations/annotation_presence.py
@@ -0,0 +1,105 @@
+from typing import Any, Type
+
+# Error
+def foo(a, b):
+    pass
+
+
+# Error
+def foo(a: int, b):
+    pass
+
+
+# Error
+def foo(a: int, b) -> int:
+    pass
+
+
+# Error
+def foo(a: int, b: int):
+    pass
+
+
+# Error
+def foo():
+    pass
+
+
+# OK
+def foo(a: int, b: int) -> int:
+    pass
+
+
+# OK
+def foo() -> int:
+    pass
+
+
+# OK
+def foo(a: int, *args: str, **kwargs: str) -> int:
+    pass
+
+
+# ANN401
+def foo(a: Any, *args: str, **kwargs: str) -> int:
+    pass
+
+
+# ANN401
+def foo(a: int, *args: str, **kwargs: str) -> Any:
+    pass
+
+
+# ANN401
+def foo(a: int, *args: Any, **kwargs: Any) -> int:
+    pass
+
+
+# ANN401
+def foo(a: int, *args: Any, **kwargs: str) -> int:
+    pass
+
+
+# ANN401
+def foo(a: int, *args: str, **kwargs: Any) -> int:
+    pass
+
+
+class Foo:
+    # OK
+    def foo(self: "Foo", a: int, b: int) -> int:
+        pass
+
+    # ANN101
+    def foo(self, a: int, b: int) -> int:
+        pass
+
+    # ANN401
+    def foo(self: "Foo", a: Any, *params: str, **options: str) -> int:
+        pass
+
+    # ANN401
+    def foo(self: "Foo", a: int, *params: str, **options: str) -> Any:
+        pass
+
+    # ANN401
+    def foo(self: "Foo", a: int, *params: Any, **options: Any) -> int:
+        pass
+
+    # ANN401
+    def foo(self: "Foo", a: int, *params: Any, **options: str) -> int:
+        pass
+
+    # ANN401
+    def foo(self: "Foo", a: int, *params: str, **options: Any) -> int:
+        pass
+
+    # OK
+    @classmethod
+    def foo(cls: Type["Foo"], a: int, b: int) -> int:
+        pass
+
+    # ANN102
+    @classmethod
+    def foo(cls, a: int, b: int) -> int:
+        pass
--- a/resources/test/fixtures/flake8_annotations/mypy_init_return.py
+++ b/resources/test/fixtures/flake8_annotations/mypy_init_return.py
@@ -0,0 +1,41 @@
+"""Test case expected to be run with `mypy_init_return = True`."""
+
+# Error
+class Foo:
+    def __init__(self):
+        ...
+
+
+# Error
+class Foo:
+    def __init__(self, foo):
+        ...
+
+
+# OK
+class Foo:
+    def __init__(self, foo) -> None:
+        ...
+
+
+# OK
+class Foo:
+    def __init__(self) -> None:
+        ...
+
+
+# OK
+class Foo:
+    def __init__(self, foo: int):
+        ...
+
+
+# OK
+class Foo:
+    def __init__(self, foo: int) -> None:
+        ...
+
+
+# Error
+def __init__(self, foo: int):
+    ...
--- a/resources/test/fixtures/flake8_annotations/suppress_dummy_args.py
+++ b/resources/test/fixtures/flake8_annotations/suppress_dummy_args.py
@@ -0,0 +1,26 @@
+"""Test case expected to be run with `suppress_dummy_args = True`."""
+
+# OK
+def foo(_) -> None:
+    ...
+
+
+# OK
+def foo(*_) -> None:
+    ...
+
+
+# OK
+def foo(**_) -> None:
+    ...
+
+
+# OK
+def foo(a: int, _) -> None:
+    ...
+
+
+# OK
+def foo() -> None:
+    def bar(_) -> None:
+        ...
--- a/resources/test/fixtures/flake8_annotations/suppress_none_returning.py
+++ b/resources/test/fixtures/flake8_annotations/suppress_none_returning.py
@@ -0,0 +1,55 @@
+"""Test case expected to be run with `suppress_none_returning = True`."""
+
+# OK
+def foo():
+    a = 2 + 2
+
+
+# OK
+def foo():
+    return
+
+
+# OK
+def foo():
+    return None
+
+
+# OK
+def foo():
+    a = 2 + 2
+    if a == 4:
+        return
+    else:
+        return
+
+
+# OK
+def foo():
+    a = 2 + 2
+    if a == 4:
+        return None
+    else:
+        return
+
+
+# OK
+def foo():
+    def bar() -> bool:
+        return True
+
+    bar()
+
+
+# Error
+def foo():
+    return True
+
+
+# Error
+def foo():
+    a = 2 + 2
+    if a == 4:
+        return True
+    else:
+        return
--- a/ruff_dev/Cargo.toml
+++ b/ruff_dev/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ruff_dev"
-version = "0.0.104"
+version = "0.0.108"
 edition = "2021"

 [dependencies]
@@ -9,8 +9,8 @@ clap = { version = "4.0.1", features = ["derive"] }
 codegen = { version = "0.2.0" }
 itertools = { version = "0.10.5" }
 ruff = { path = ".." }
-rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "77b821a1941019fe34f73ce17cea013ae1b98fd0" }
-rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "77b821a1941019fe34f73ce17cea013ae1b98fd0" }
-rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "77b821a1941019fe34f73ce17cea013ae1b98fd0" }
+rustpython-ast = { features = ["unparse"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
+rustpython-common = { git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
+rustpython-parser = { features = ["lalrpop"], git = "https://github.com/RustPython/RustPython.git", rev = "27bf82a2251d7e6ac6cd75e6ad51be12a53d84bb" }
 strum = { version = "0.24.1", features = ["strum_macros"] }
 strum_macros = { version = "0.24.3" }
--- a/src/ast/types.rs
+++ b/src/ast/types.rs
@@ -100,10 +100,6 @@ pub struct Binding {
    pub used: Option<(usize, Range)>,
 }

-pub trait CheckLocator {
-    fn locate_check(&self, default: Range) -> Range;
-}
-
 #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub enum ImportKind {
    Import,
--- a/src/check_ast.rs
+++ b/src/check_ast.rs
--- a/src/check_lines.rs
+++ b/src/check_lines.rs
@@ -40,6 +40,7 @@ pub fn check_lines(
    settings: &Settings,
    autofix: &fixer::Mode,
 ) {
+    let enforce_unnecessary_coding_comment = settings.enabled.contains(&CheckCode::U009);
    let enforce_line_too_long = settings.enabled.contains(&CheckCode::E501);
    let enforce_noqa = settings.enabled.contains(&CheckCode::M001);

@@ -58,24 +59,27 @@ pub fn check_lines(
            .map(|lineno| lineno - 1)
            .unwrap_or(lineno);

-        if lineno < 2 {
-            // PEP3120 makes utf-8 the default encoding.
-            if CODING_COMMENT_REGEX.is_match(line) {
-                let line_length = line.len();
-                let mut check = Check::new(
-                    CheckKind::PEP3120UnnecessaryCodingComment,
-                    Range {
-                        location: Location::new(lineno + 1, 0),
-                        end_location: Location::new(lineno + 1, line_length + 1),
-                    },
-                );
-                if autofix.patch() {
-                    check.amend(Fix::deletion(
-                        Location::new(lineno + 1, 0),
-                        Location::new(lineno + 1, line_length + 1),
-                    ));
+        // Enforce unnecessary coding comments (U009).
+        if enforce_unnecessary_coding_comment {
+            if lineno < 2 {
+                // PEP3120 makes utf-8 the default encoding.
+                if CODING_COMMENT_REGEX.is_match(line) {
+                    let line_length = line.len();
+                    let mut check = Check::new(
+                        CheckKind::PEP3120UnnecessaryCodingComment,
+                        Range {
+                            location: Location::new(lineno + 1, 0),
+                            end_location: Location::new(lineno + 1, line_length + 1),
+                        },
+                    );
+                    if autofix.patch() {
+                        check.amend(Fix::deletion(
+                            Location::new(lineno + 1, 0),
+                            Location::new(lineno + 1, line_length + 1),
+                        ));
+                    }
+                    line_checks.push(check);
                }
-                line_checks.push(check);
            }
        }

@@ -109,7 +113,7 @@ pub fn check_lines(
            }
        }

-        // Enforce line length.
+        // Enforce line length violations (E501).
        if enforce_line_too_long {
            let line_length = line.chars().count();
            if should_enforce_line_length(line, line_length, settings.line_length) {
--- a/src/check_tokens.rs
+++ b/src/check_tokens.rs
@@ -5,6 +5,7 @@ use rustpython_parser::lexer::{LexResult, Tok};
 use crate::autofix::fixer;
 use crate::checks::{Check, CheckCode};
 use crate::lex::docstring_detection::StateMachine;
+use crate::rules::checks::Context;
 use crate::source_code_locator::SourceCodeLocator;
 use crate::{flake8_quotes, pycodestyle, rules, Settings};

@@ -16,7 +17,8 @@ pub fn check_tokens(
    autofix: &fixer::Mode,
 ) {
    let enforce_ambiguous_unicode_character = settings.enabled.contains(&CheckCode::RUF001)
-        || settings.enabled.contains(&CheckCode::RUF002);
+        || settings.enabled.contains(&CheckCode::RUF002)
+        || settings.enabled.contains(&CheckCode::RUF003);
    let enforce_quotes = settings.enabled.contains(&CheckCode::Q000)
        || settings.enabled.contains(&CheckCode::Q001)
        || settings.enabled.contains(&CheckCode::Q002)
@@ -31,14 +33,22 @@ pub fn check_tokens(
            false
        };

-        // RUF001, RUF002
+        // RUF001, RUF002, RUF003
        if enforce_ambiguous_unicode_character {
-            if matches!(tok, Tok::String { .. }) {
+            if matches!(tok, Tok::String { .. } | Tok::Comment) {
                for check in rules::checks::ambiguous_unicode_character(
                    locator,
                    start,
                    end,
-                    is_docstring,
+                    if matches!(tok, Tok::String { .. }) {
+                        if is_docstring {
+                            Context::Docstring
+                        } else {
+                            Context::String
+                        }
+                    } else {
+                        Context::Comment
+                    },
                    autofix.patch(),
                ) {
                    if settings.enabled.contains(check.kind.code()) {
--- a/src/checks.rs
+++ b/src/checks.rs
@@ -79,6 +79,8 @@ pub enum CheckCode {
    // flake8-bugbear
    B002,
    B003,
+    B004,
+    B005,
    B006,
    B007,
    B008,
@@ -115,6 +117,18 @@ pub enum CheckCode {
    Q001,
    Q002,
    Q003,
+    // flake8-annotations
+    ANN001,
+    ANN002,
+    ANN003,
+    ANN101,
+    ANN102,
+    ANN201,
+    ANN202,
+    ANN204,
+    ANN205,
+    ANN206,
+    ANN401,
    // pyupgrade
    U001,
    U002,
@@ -125,6 +139,7 @@ pub enum CheckCode {
    U007,
    U008,
    U009,
+    U010,
    // pydocstyle
    D100,
    D101,
@@ -189,6 +204,7 @@ pub enum CheckCode {
    // Ruff
    RUF001,
    RUF002,
+    RUF003,
    // Meta
    M001,
 }
@@ -205,6 +221,7 @@ pub enum CheckCategory {
    Flake8Builtins,
    Flake8Print,
    Flake8Quotes,
+    Flake8Annotations,
    Ruff,
    Meta,
 }
@@ -219,6 +236,7 @@ impl CheckCategory {
            CheckCategory::Flake8Comprehensions => "flake8-comprehensions",
            CheckCategory::Flake8Print => "flake8-print",
            CheckCategory::Flake8Quotes => "flake8-quotes",
+            CheckCategory::Flake8Annotations => "flake8-annotations",
            CheckCategory::Pyupgrade => "pyupgrade",
            CheckCategory::Pydocstyle => "pydocstyle",
            CheckCategory::PEP8Naming => "pep8-naming",
@@ -242,6 +260,9 @@ impl CheckCategory {
            }
            CheckCategory::Flake8Print => Some("https://pypi.org/project/flake8-print/5.0.0/"),
            CheckCategory::Flake8Quotes => Some("https://pypi.org/project/flake8-quotes/3.3.1/"),
+            CheckCategory::Flake8Annotations => {
+                Some("https://pypi.org/project/flake8-annotations/2.9.1/")
+            }
            CheckCategory::Pyupgrade => Some("https://pypi.org/project/pyupgrade/3.2.0/"),
            CheckCategory::Pydocstyle => Some("https://pypi.org/project/pydocstyle/6.1.1/"),
            CheckCategory::PEP8Naming => Some("https://pypi.org/project/pep8-naming/0.13.2/"),
@@ -321,6 +342,8 @@ pub enum CheckKind {
    // flake8-bugbear
    UnaryPrefixIncrement,
    AssignmentToOsEnviron,
+    UnreliableCallableCheck,
+    StripWithMultiCharacters,
    MutableArgumentDefault,
    UnusedLoopControlVariable(String),
    FunctionCallArgumentDefault,
@@ -357,6 +380,18 @@ pub enum CheckKind {
    BadQuotesMultilineString(Quote),
    BadQuotesDocstring(Quote),
    AvoidQuoteEscape,
+    // flake8-annotations
+    MissingTypeFunctionArgument(String),
+    MissingTypeArgs(String),
+    MissingTypeKwargs(String),
+    MissingTypeSelf(String),
+    MissingTypeCls(String),
+    MissingReturnTypePublicFunction(String),
+    MissingReturnTypePrivateFunction(String),
+    MissingReturnTypeMagicMethod(String),
+    MissingReturnTypeStaticMethod(String),
+    MissingReturnTypeClassMethod(String),
+    DynamicallyTypedExpression(String),
    // pyupgrade
    TypeOfPrimitive(Primitive),
    UnnecessaryAbspath,
@@ -367,6 +402,7 @@ pub enum CheckKind {
    UsePEP604Annotation,
    SuperCallWithParameters,
    PEP3120UnnecessaryCodingComment,
+    UnnecessaryFutureImport(String),
    // pydocstyle
    BlankLineAfterLastSection(String),
    BlankLineAfterSection(String),
@@ -431,6 +467,7 @@ pub enum CheckKind {
    // Ruff
    AmbiguousUnicodeCharacterString(char, char),
    AmbiguousUnicodeCharacterDocstring(char, char),
+    AmbiguousUnicodeCharacterComment(char, char),
    // Meta
    UnusedNOQA(Option<Vec<String>>),
 }
@@ -449,7 +486,8 @@ impl CheckCode {
            | CheckCode::Q003
            | CheckCode::W605
            | CheckCode::RUF001
-            | CheckCode::RUF002 => &LintSource::Tokens,
+            | CheckCode::RUF002
+            | CheckCode::RUF003 => &LintSource::Tokens,
            CheckCode::E902 => &LintSource::FileSystem,
            _ => &LintSource::AST,
        }
@@ -514,6 +552,8 @@ impl CheckCode {
            // flake8-bugbear
            CheckCode::B002 => CheckKind::UnaryPrefixIncrement,
            CheckCode::B003 => CheckKind::AssignmentToOsEnviron,
+            CheckCode::B004 => CheckKind::UnreliableCallableCheck,
+            CheckCode::B005 => CheckKind::StripWithMultiCharacters,
            CheckCode::B006 => CheckKind::MutableArgumentDefault,
            CheckCode::B007 => CheckKind::UnusedLoopControlVariable("i".to_string()),
            CheckCode::B008 => CheckKind::FunctionCallArgumentDefault,
@@ -565,6 +605,18 @@ impl CheckCode {
            CheckCode::Q001 => CheckKind::BadQuotesMultilineString(Quote::Double),
            CheckCode::Q002 => CheckKind::BadQuotesDocstring(Quote::Double),
            CheckCode::Q003 => CheckKind::AvoidQuoteEscape,
+            // flake8-annotations
+            CheckCode::ANN001 => CheckKind::MissingTypeFunctionArgument("...".to_string()),
+            CheckCode::ANN002 => CheckKind::MissingTypeArgs("...".to_string()),
+            CheckCode::ANN003 => CheckKind::MissingTypeKwargs("...".to_string()),
+            CheckCode::ANN101 => CheckKind::MissingTypeSelf("...".to_string()),
+            CheckCode::ANN102 => CheckKind::MissingTypeCls("...".to_string()),
+            CheckCode::ANN201 => CheckKind::MissingReturnTypePublicFunction("...".to_string()),
+            CheckCode::ANN202 => CheckKind::MissingReturnTypePrivateFunction("...".to_string()),
+            CheckCode::ANN204 => CheckKind::MissingReturnTypeMagicMethod("...".to_string()),
+            CheckCode::ANN205 => CheckKind::MissingReturnTypeStaticMethod("...".to_string()),
+            CheckCode::ANN206 => CheckKind::MissingReturnTypeClassMethod("...".to_string()),
+            CheckCode::ANN401 => CheckKind::DynamicallyTypedExpression("...".to_string()),
            // pyupgrade
            CheckCode::U001 => CheckKind::UselessMetaclassType,
            CheckCode::U002 => CheckKind::UnnecessaryAbspath,
@@ -578,6 +630,7 @@ impl CheckCode {
            CheckCode::U007 => CheckKind::UsePEP604Annotation,
            CheckCode::U008 => CheckKind::SuperCallWithParameters,
            CheckCode::U009 => CheckKind::PEP3120UnnecessaryCodingComment,
+            CheckCode::U010 => CheckKind::UnnecessaryFutureImport("...".to_string()),
            // pydocstyle
            CheckCode::D100 => CheckKind::PublicModule,
            CheckCode::D101 => CheckKind::PublicClass,
@@ -658,6 +711,7 @@ impl CheckCode {
            // Ruff
            CheckCode::RUF001 => CheckKind::AmbiguousUnicodeCharacterString('𝐁', 'B'),
            CheckCode::RUF002 => CheckKind::AmbiguousUnicodeCharacterDocstring('𝐁', 'B'),
+            CheckCode::RUF003 => CheckKind::AmbiguousUnicodeCharacterComment('𝐁', 'B'),
            // Meta
            CheckCode::M001 => CheckKind::UnusedNOQA(None),
        }
@@ -714,6 +768,8 @@ impl CheckCode {
            CheckCode::A003 => CheckCategory::Flake8Builtins,
            CheckCode::B002 => CheckCategory::Flake8Bugbear,
            CheckCode::B003 => CheckCategory::Flake8Bugbear,
+            CheckCode::B004 => CheckCategory::Flake8Bugbear,
+            CheckCode::B005 => CheckCategory::Flake8Bugbear,
            CheckCode::B006 => CheckCategory::Flake8Bugbear,
            CheckCode::B007 => CheckCategory::Flake8Bugbear,
            CheckCode::B008 => CheckCategory::Flake8Bugbear,
@@ -747,6 +803,17 @@ impl CheckCode {
            CheckCode::Q001 => CheckCategory::Flake8Quotes,
            CheckCode::Q002 => CheckCategory::Flake8Quotes,
            CheckCode::Q003 => CheckCategory::Flake8Quotes,
+            CheckCode::ANN001 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN002 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN003 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN101 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN102 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN201 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN202 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN204 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN205 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN206 => CheckCategory::Flake8Annotations,
+            CheckCode::ANN401 => CheckCategory::Flake8Annotations,
            CheckCode::U001 => CheckCategory::Pyupgrade,
            CheckCode::U002 => CheckCategory::Pyupgrade,
            CheckCode::U003 => CheckCategory::Pyupgrade,
@@ -756,6 +823,7 @@ impl CheckCode {
            CheckCode::U007 => CheckCategory::Pyupgrade,
            CheckCode::U008 => CheckCategory::Pyupgrade,
            CheckCode::U009 => CheckCategory::Pyupgrade,
+            CheckCode::U010 => CheckCategory::Pyupgrade,
            CheckCode::D100 => CheckCategory::Pydocstyle,
            CheckCode::D101 => CheckCategory::Pydocstyle,
            CheckCode::D102 => CheckCategory::Pydocstyle,
@@ -817,6 +885,7 @@ impl CheckCode {
            CheckCode::N818 => CheckCategory::PEP8Naming,
            CheckCode::RUF001 => CheckCategory::Ruff,
            CheckCode::RUF002 => CheckCategory::Ruff,
+            CheckCode::RUF003 => CheckCategory::Ruff,
            CheckCode::M001 => CheckCategory::Meta,
        }
    }
@@ -879,6 +948,8 @@ impl CheckKind {
            // flake8-bugbear
            CheckKind::UnaryPrefixIncrement => &CheckCode::B002,
            CheckKind::AssignmentToOsEnviron => &CheckCode::B003,
+            CheckKind::UnreliableCallableCheck => &CheckCode::B004,
+            CheckKind::StripWithMultiCharacters => &CheckCode::B005,
            CheckKind::MutableArgumentDefault => &CheckCode::B006,
            CheckKind::UnusedLoopControlVariable(_) => &CheckCode::B007,
            CheckKind::FunctionCallArgumentDefault => &CheckCode::B008,
@@ -915,6 +986,18 @@ impl CheckKind {
            CheckKind::BadQuotesMultilineString(_) => &CheckCode::Q001,
            CheckKind::BadQuotesDocstring(_) => &CheckCode::Q002,
            CheckKind::AvoidQuoteEscape => &CheckCode::Q003,
+            // flake8-annotations
+            CheckKind::MissingTypeFunctionArgument(_) => &CheckCode::ANN001,
+            CheckKind::MissingTypeArgs(_) => &CheckCode::ANN002,
+            CheckKind::MissingTypeKwargs(_) => &CheckCode::ANN003,
+            CheckKind::MissingTypeSelf(_) => &CheckCode::ANN101,
+            CheckKind::MissingTypeCls(_) => &CheckCode::ANN102,
+            CheckKind::MissingReturnTypePublicFunction(_) => &CheckCode::ANN201,
+            CheckKind::MissingReturnTypePrivateFunction(_) => &CheckCode::ANN202,
+            CheckKind::MissingReturnTypeMagicMethod(_) => &CheckCode::ANN204,
+            CheckKind::MissingReturnTypeStaticMethod(_) => &CheckCode::ANN205,
+            CheckKind::MissingReturnTypeClassMethod(_) => &CheckCode::ANN206,
+            CheckKind::DynamicallyTypedExpression(_) => &CheckCode::ANN401,
            // pyupgrade
            CheckKind::TypeOfPrimitive(_) => &CheckCode::U003,
            CheckKind::UnnecessaryAbspath => &CheckCode::U002,
@@ -925,6 +1008,7 @@ impl CheckKind {
            CheckKind::UselessObjectInheritance(_) => &CheckCode::U004,
            CheckKind::SuperCallWithParameters => &CheckCode::U008,
            CheckKind::PEP3120UnnecessaryCodingComment => &CheckCode::U009,
+            CheckKind::UnnecessaryFutureImport(_) => &CheckCode::U010,
            // pydocstyle
            CheckKind::BlankLineAfterLastSection(_) => &CheckCode::D413,
            CheckKind::BlankLineAfterSection(_) => &CheckCode::D410,
@@ -989,6 +1073,7 @@ impl CheckKind {
            // Ruff
            CheckKind::AmbiguousUnicodeCharacterString(..) => &CheckCode::RUF001,
            CheckKind::AmbiguousUnicodeCharacterDocstring(..) => &CheckCode::RUF002,
+            CheckKind::AmbiguousUnicodeCharacterComment(..) => &CheckCode::RUF003,
            // Meta
            CheckKind::UnusedNOQA(_) => &CheckCode::M001,
        }
@@ -1152,6 +1237,13 @@ impl CheckKind {
            CheckKind::AssignmentToOsEnviron => {
                "Assigning to `os.environ` doesn't clear the environment.".to_string()
            }
+            CheckKind::UnreliableCallableCheck => " Using `hasattr(x, '__call__')` to test if x \
+                                                   is callable is unreliable. Use `callable(x)` \
+                                                   for consistent results."
+                .to_string(),
+            CheckKind::StripWithMultiCharacters => "Using `.strip()` with multi-character strings \
+                                                    is misleading the reader."
+                .to_string(),
            CheckKind::MutableArgumentDefault => {
                "Do not use mutable data structures for argument defaults.".to_string()
            }
@@ -1300,6 +1392,38 @@ impl CheckKind {
            CheckKind::AvoidQuoteEscape => {
                "Change outer quotes to avoid escaping inner quotes".to_string()
            }
+            // flake8-annotations
+            CheckKind::MissingTypeFunctionArgument(name) => {
+                format!("Missing type annotation for function argument `{name}`")
+            }
+            CheckKind::MissingTypeArgs(name) => format!("Missing type annotation for `*{name}`"),
+            CheckKind::MissingTypeKwargs(name) => {
+                format!("Missing type annotation for `**{name}`")
+            }
+            CheckKind::MissingTypeSelf(name) => {
+                format!("Missing type annotation for `{name}` in method")
+            }
+            CheckKind::MissingTypeCls(name) => {
+                format!("Missing type annotation for `{name}` in classmethod")
+            }
+            CheckKind::MissingReturnTypePublicFunction(name) => {
+                format!("Missing return type annotation for public function `{name}`")
+            }
+            CheckKind::MissingReturnTypePrivateFunction(name) => {
+                format!("Missing return type annotation for private function `{name}`")
+            }
+            CheckKind::MissingReturnTypeMagicMethod(name) => {
+                format!("Missing return type annotation for magic method `{name}`")
+            }
+            CheckKind::MissingReturnTypeStaticMethod(name) => {
+                format!("Missing return type annotation for staticmethod `{name}`")
+            }
+            CheckKind::MissingReturnTypeClassMethod(name) => {
+                format!("Missing return type annotation for classmethod `{name}`")
+            }
+            CheckKind::DynamicallyTypedExpression(name) => {
+                format!("Dynamically typed expressions (typing.Any) are disallowed in `{name}`")
+            }
            // pyupgrade
            CheckKind::TypeOfPrimitive(primitive) => {
                format!("Use `{}` instead of `type(...)`", primitive.builtin())
@@ -1325,6 +1449,9 @@ impl CheckKind {
            CheckKind::SuperCallWithParameters => {
                "Use `super()` instead of `super(__class__, self)`".to_string()
            }
+            CheckKind::UnnecessaryFutureImport(name) => {
+                format!("Unnessary __future__ import `{name}` for target Python version")
+            }
            // pydocstyle
            CheckKind::FitsOnOneLine => "One-line docstring should fit on one line".to_string(),
            CheckKind::BlankLineAfterSummary => {
@@ -1501,6 +1628,12 @@ impl CheckKind {
                     '{representant}'?)"
                )
            }
+            CheckKind::AmbiguousUnicodeCharacterComment(confusable, representant) => {
+                format!(
+                    "Comment contains ambiguous unicode character '{confusable}' (did you mean \
+                     '{representant}'?)"
+                )
+            }
            // Meta
            CheckKind::UnusedNOQA(codes) => match codes {
                None => "Unused `noqa` directive".to_string(),
@@ -1582,6 +1715,7 @@ impl CheckKind {
                | CheckKind::UnnecessaryGeneratorSet
                | CheckKind::UnnecessaryListCall
                | CheckKind::UnnecessaryListComprehensionSet
+                | CheckKind::UnnecessaryListComprehensionDict
                | CheckKind::UnnecessaryLiteralDict(_)
                | CheckKind::UnnecessaryLiteralSet(_)
                | CheckKind::UnnecessaryLiteralWithinListCall(_)
--- a/src/checks_gen.rs
+++ b/src/checks_gen.rs
@@ -13,11 +13,33 @@ pub enum CheckCodePrefix {
    A001,
    A002,
    A003,
+    ANN,
+    ANN0,
+    ANN00,
+    ANN001,
+    ANN002,
+    ANN003,
+    ANN1,
+    ANN10,
+    ANN101,
+    ANN102,
+    ANN2,
+    ANN20,
+    ANN201,
+    ANN202,
+    ANN204,
+    ANN205,
+    ANN206,
+    ANN4,
+    ANN40,
+    ANN401,
    B,
    B0,
    B00,
    B002,
    B003,
+    B004,
+    B005,
    B006,
    B007,
    B008,
@@ -214,6 +236,7 @@ pub enum CheckCodePrefix {
    RUF00,
    RUF001,
    RUF002,
+    RUF003,
    T,
    T2,
    T20,
@@ -231,6 +254,8 @@ pub enum CheckCodePrefix {
    U007,
    U008,
    U009,
+    U01,
+    U010,
    W,
    W2,
    W29,
@@ -257,9 +282,55 @@ impl CheckCodePrefix {
            CheckCodePrefix::A001 => vec![CheckCode::A001],
            CheckCodePrefix::A002 => vec![CheckCode::A002],
            CheckCodePrefix::A003 => vec![CheckCode::A003],
+            CheckCodePrefix::ANN => vec![
+                CheckCode::ANN001,
+                CheckCode::ANN002,
+                CheckCode::ANN003,
+                CheckCode::ANN101,
+                CheckCode::ANN102,
+                CheckCode::ANN201,
+                CheckCode::ANN202,
+                CheckCode::ANN204,
+                CheckCode::ANN205,
+                CheckCode::ANN206,
+                CheckCode::ANN401,
+            ],
+            CheckCodePrefix::ANN0 => vec![CheckCode::ANN001, CheckCode::ANN002, CheckCode::ANN003],
+            CheckCodePrefix::ANN00 => vec![CheckCode::ANN001, CheckCode::ANN002, CheckCode::ANN003],
+            CheckCodePrefix::ANN001 => vec![CheckCode::ANN001],
+            CheckCodePrefix::ANN002 => vec![CheckCode::ANN002],
+            CheckCodePrefix::ANN003 => vec![CheckCode::ANN003],
+            CheckCodePrefix::ANN1 => vec![CheckCode::ANN101, CheckCode::ANN102],
+            CheckCodePrefix::ANN10 => vec![CheckCode::ANN101, CheckCode::ANN102],
+            CheckCodePrefix::ANN101 => vec![CheckCode::ANN101],
+            CheckCodePrefix::ANN102 => vec![CheckCode::ANN102],
+            CheckCodePrefix::ANN2 => vec![
+                CheckCode::ANN201,
+                CheckCode::ANN202,
+                CheckCode::ANN204,
+                CheckCode::ANN205,
+                CheckCode::ANN206,
+            ],
+            CheckCodePrefix::ANN20 => vec![
+                CheckCode::ANN201,
+                CheckCode::ANN202,
+                CheckCode::ANN204,
+                CheckCode::ANN205,
+                CheckCode::ANN206,
+            ],
+            CheckCodePrefix::ANN201 => vec![CheckCode::ANN201],
+            CheckCodePrefix::ANN202 => vec![CheckCode::ANN202],
+            CheckCodePrefix::ANN204 => vec![CheckCode::ANN204],
+            CheckCodePrefix::ANN205 => vec![CheckCode::ANN205],
+            CheckCodePrefix::ANN206 => vec![CheckCode::ANN206],
+            CheckCodePrefix::ANN4 => vec![CheckCode::ANN401],
+            CheckCodePrefix::ANN40 => vec![CheckCode::ANN401],
+            CheckCodePrefix::ANN401 => vec![CheckCode::ANN401],
            CheckCodePrefix::B => vec![
                CheckCode::B002,
                CheckCode::B003,
+                CheckCode::B004,
+                CheckCode::B005,
                CheckCode::B006,
                CheckCode::B007,
                CheckCode::B008,
@@ -275,6 +346,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::B0 => vec![
                CheckCode::B002,
                CheckCode::B003,
+                CheckCode::B004,
+                CheckCode::B005,
                CheckCode::B006,
                CheckCode::B007,
                CheckCode::B008,
@@ -290,12 +363,16 @@ impl CheckCodePrefix {
            CheckCodePrefix::B00 => vec![
                CheckCode::B002,
                CheckCode::B003,
+                CheckCode::B004,
+                CheckCode::B005,
                CheckCode::B006,
                CheckCode::B007,
                CheckCode::B008,
            ],
            CheckCodePrefix::B002 => vec![CheckCode::B002],
            CheckCodePrefix::B003 => vec![CheckCode::B003],
+            CheckCodePrefix::B004 => vec![CheckCode::B004],
+            CheckCodePrefix::B005 => vec![CheckCode::B005],
            CheckCodePrefix::B006 => vec![CheckCode::B006],
            CheckCodePrefix::B007 => vec![CheckCode::B007],
            CheckCodePrefix::B008 => vec![CheckCode::B008],
@@ -859,11 +936,12 @@ impl CheckCodePrefix {
            CheckCodePrefix::Q001 => vec![CheckCode::Q001],
            CheckCodePrefix::Q002 => vec![CheckCode::Q002],
            CheckCodePrefix::Q003 => vec![CheckCode::Q003],
-            CheckCodePrefix::RUF => vec![CheckCode::RUF001, CheckCode::RUF002],
-            CheckCodePrefix::RUF0 => vec![CheckCode::RUF001, CheckCode::RUF002],
-            CheckCodePrefix::RUF00 => vec![CheckCode::RUF001, CheckCode::RUF002],
+            CheckCodePrefix::RUF => vec![CheckCode::RUF001, CheckCode::RUF002, CheckCode::RUF003],
+            CheckCodePrefix::RUF0 => vec![CheckCode::RUF001, CheckCode::RUF002, CheckCode::RUF003],
+            CheckCodePrefix::RUF00 => vec![CheckCode::RUF001, CheckCode::RUF002, CheckCode::RUF003],
            CheckCodePrefix::RUF001 => vec![CheckCode::RUF001],
            CheckCodePrefix::RUF002 => vec![CheckCode::RUF002],
+            CheckCodePrefix::RUF003 => vec![CheckCode::RUF003],
            CheckCodePrefix::T => vec![CheckCode::T201, CheckCode::T203],
            CheckCodePrefix::T2 => vec![CheckCode::T201, CheckCode::T203],
            CheckCodePrefix::T20 => vec![CheckCode::T201, CheckCode::T203],
@@ -879,6 +957,7 @@ impl CheckCodePrefix {
                CheckCode::U007,
                CheckCode::U008,
                CheckCode::U009,
+                CheckCode::U010,
            ],
            CheckCodePrefix::U0 => vec![
                CheckCode::U001,
@@ -890,6 +969,7 @@ impl CheckCodePrefix {
                CheckCode::U007,
                CheckCode::U008,
                CheckCode::U009,
+                CheckCode::U010,
            ],
            CheckCodePrefix::U00 => vec![
                CheckCode::U001,
@@ -911,6 +991,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::U007 => vec![CheckCode::U007],
            CheckCodePrefix::U008 => vec![CheckCode::U008],
            CheckCodePrefix::U009 => vec![CheckCode::U009],
+            CheckCodePrefix::U01 => vec![CheckCode::U010],
+            CheckCodePrefix::U010 => vec![CheckCode::U010],
            CheckCodePrefix::W => vec![CheckCode::W292, CheckCode::W605],
            CheckCodePrefix::W2 => vec![CheckCode::W292],
            CheckCodePrefix::W29 => vec![CheckCode::W292],
@@ -931,11 +1013,33 @@ impl CheckCodePrefix {
            CheckCodePrefix::A001 => PrefixSpecificity::Explicit,
            CheckCodePrefix::A002 => PrefixSpecificity::Explicit,
            CheckCodePrefix::A003 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN => PrefixSpecificity::Category,
+            CheckCodePrefix::ANN0 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::ANN00 => PrefixSpecificity::Tens,
+            CheckCodePrefix::ANN001 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN002 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN003 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN1 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::ANN10 => PrefixSpecificity::Tens,
+            CheckCodePrefix::ANN101 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN102 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN2 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::ANN20 => PrefixSpecificity::Tens,
+            CheckCodePrefix::ANN201 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN202 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN204 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN205 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN206 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::ANN4 => PrefixSpecificity::Hundreds,
+            CheckCodePrefix::ANN40 => PrefixSpecificity::Tens,
+            CheckCodePrefix::ANN401 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B => PrefixSpecificity::Category,
            CheckCodePrefix::B0 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::B00 => PrefixSpecificity::Tens,
            CheckCodePrefix::B002 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B003 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::B004 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::B005 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B006 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B007 => PrefixSpecificity::Explicit,
            CheckCodePrefix::B008 => PrefixSpecificity::Explicit,
@@ -1132,6 +1236,7 @@ impl CheckCodePrefix {
            CheckCodePrefix::RUF00 => PrefixSpecificity::Tens,
            CheckCodePrefix::RUF001 => PrefixSpecificity::Explicit,
            CheckCodePrefix::RUF002 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::RUF003 => PrefixSpecificity::Explicit,
            CheckCodePrefix::T => PrefixSpecificity::Category,
            CheckCodePrefix::T2 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::T20 => PrefixSpecificity::Tens,
@@ -1149,6 +1254,8 @@ impl CheckCodePrefix {
            CheckCodePrefix::U007 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U008 => PrefixSpecificity::Explicit,
            CheckCodePrefix::U009 => PrefixSpecificity::Explicit,
+            CheckCodePrefix::U01 => PrefixSpecificity::Tens,
+            CheckCodePrefix::U010 => PrefixSpecificity::Explicit,
            CheckCodePrefix::W => PrefixSpecificity::Category,
            CheckCodePrefix::W2 => PrefixSpecificity::Hundreds,
            CheckCodePrefix::W29 => PrefixSpecificity::Tens,
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -10,7 +10,7 @@ use crate::checks_gen::CheckCodePrefix;
 use crate::logging::LogLevel;
 use crate::printer::SerializationFormat;
 use crate::settings::configuration::Configuration;
-use crate::settings::types::{PatternPrefixPair, PythonVersion};
+use crate::settings::types::{PatternPrefixPair, PerFileIgnore, PythonVersion};

 #[derive(Debug, Parser)]
 #[command(author, about = "ruff: An extremely fast Python linter.")]
@@ -38,8 +38,10 @@ pub struct Cli {
    #[arg(short, long)]
    pub watch: bool,
    /// Attempt to automatically fix lint errors.
-    #[arg(short, long)]
-    pub fix: bool,
+    #[arg(long, overrides_with("no_fix"))]
+    fix: bool,
+    #[clap(long, overrides_with("fix"), hide = true)]
+    no_fix: bool,
    /// Disable cache reads.
    #[arg(short, long)]
    pub no_cache: bool,
@@ -94,6 +96,22 @@ pub struct Cli {
    pub stdin_filename: Option<String>,
 }

+impl Cli {
+    // See: https://github.com/clap-rs/clap/issues/3146
+    pub fn fix(&self) -> Option<bool> {
+        resolve_bool_arg(self.fix, self.no_fix)
+    }
+}
+
+fn resolve_bool_arg(yes: bool, no: bool) -> Option<bool> {
+    match (yes, no) {
+        (true, false) => Some(true),
+        (false, true) => Some(false),
+        (false, false) => None,
+        (..) => unreachable!("Clap should make this impossible"),
+    }
+}
+
 /// Map the CLI settings to a `LogLevel`.
 pub fn extract_log_level(cli: &Cli) -> LogLevel {
    if cli.silent {
@@ -165,10 +183,11 @@ pub fn warn_on(
    }
 }

-/// Collect a list of `PatternPrefixPair` structs as a `BTreeMap`.
+/// Convert a list of `PatternPrefixPair` structs to `PerFileIgnore`.
 pub fn collect_per_file_ignores(
    pairs: Vec<PatternPrefixPair>,
-) -> BTreeMap<String, Vec<CheckCodePrefix>> {
+    project_root: &Option<PathBuf>,
+) -> Vec<PerFileIgnore> {
    let mut per_file_ignores: BTreeMap<String, Vec<CheckCodePrefix>> = BTreeMap::new();
    for pair in pairs {
        per_file_ignores
@@ -177,4 +196,7 @@ pub fn collect_per_file_ignores(
            .push(pair.prefix);
    }
    per_file_ignores
+        .iter()
+        .map(|(pattern, prefixes)| PerFileIgnore::new(pattern, prefixes, project_root))
+        .collect()
 }
--- a/src/flake8_annotations/mod.rs
+++ b/src/flake8_annotations/mod.rs
@@ -0,0 +1,155 @@
+pub mod plugins;
+pub mod settings;
+
+#[cfg(test)]
+mod tests {
+    use std::path::Path;
+
+    use anyhow::Result;
+    use rustpython_parser::lexer::LexResult;
+
+    use crate::autofix::fixer;
+    use crate::checks::{Check, CheckCode};
+    use crate::linter::tokenize;
+    use crate::{flake8_annotations, fs, linter, noqa, Settings, SourceCodeLocator};
+
+    fn check_path(path: &Path, settings: &Settings, autofix: &fixer::Mode) -> Result<Vec<Check>> {
+        let contents = fs::read_file(path)?;
+        let tokens: Vec<LexResult> = tokenize(&contents);
+        let locator = SourceCodeLocator::new(&contents);
+        let noqa_line_for = noqa::extract_noqa_line_for(&tokens);
+        linter::check_path(
+            path,
+            &contents,
+            tokens,
+            &locator,
+            &noqa_line_for,
+            settings,
+            autofix,
+        )
+    }
+
+    #[test]
+    fn defaults() -> Result<()> {
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_annotations/annotation_presence.py"),
+            &Settings {
+                ..Settings::for_rules(vec![
+                    CheckCode::ANN001,
+                    CheckCode::ANN002,
+                    CheckCode::ANN003,
+                    CheckCode::ANN101,
+                    CheckCode::ANN102,
+                    CheckCode::ANN201,
+                    CheckCode::ANN202,
+                    CheckCode::ANN204,
+                    CheckCode::ANN205,
+                    CheckCode::ANN206,
+                    CheckCode::ANN401,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+
+    #[test]
+    fn suppress_dummy_args() -> Result<()> {
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_annotations/suppress_dummy_args.py"),
+            &Settings {
+                flake8_annotations: flake8_annotations::settings::Settings {
+                    mypy_init_return: false,
+                    suppress_dummy_args: true,
+                    suppress_none_returning: false,
+                    allow_star_arg_any: false,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::ANN001,
+                    CheckCode::ANN002,
+                    CheckCode::ANN003,
+                    CheckCode::ANN101,
+                    CheckCode::ANN102,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+
+    #[test]
+    fn mypy_init_return() -> Result<()> {
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_annotations/mypy_init_return.py"),
+            &Settings {
+                flake8_annotations: flake8_annotations::settings::Settings {
+                    mypy_init_return: true,
+                    suppress_dummy_args: false,
+                    suppress_none_returning: false,
+                    allow_star_arg_any: false,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::ANN201,
+                    CheckCode::ANN202,
+                    CheckCode::ANN204,
+                    CheckCode::ANN205,
+                    CheckCode::ANN206,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+
+    #[test]
+    fn suppress_none_returning() -> Result<()> {
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_annotations/suppress_none_returning.py"),
+            &Settings {
+                flake8_annotations: flake8_annotations::settings::Settings {
+                    mypy_init_return: false,
+                    suppress_dummy_args: false,
+                    suppress_none_returning: true,
+                    allow_star_arg_any: false,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::ANN201,
+                    CheckCode::ANN202,
+                    CheckCode::ANN204,
+                    CheckCode::ANN205,
+                    CheckCode::ANN206,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+
+    #[test]
+    fn allow_star_arg_any() -> Result<()> {
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_annotations/allow_star_arg_any.py"),
+            &Settings {
+                flake8_annotations: flake8_annotations::settings::Settings {
+                    mypy_init_return: false,
+                    suppress_dummy_args: false,
+                    suppress_none_returning: false,
+                    allow_star_arg_any: true,
+                },
+                ..Settings::for_rules(vec![CheckCode::ANN401])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(checks);
+        Ok(())
+    }
+}
--- a/src/flake8_annotations/plugins.rs
+++ b/src/flake8_annotations/plugins.rs
@@ -0,0 +1,376 @@
+use rustpython_ast::{Arguments, Constant, Expr, ExprKind, Stmt, StmtKind};
+
+use crate::ast::types::Range;
+use crate::ast::visitor;
+use crate::ast::visitor::Visitor;
+use crate::check_ast::Checker;
+use crate::checks::{CheckCode, CheckKind};
+use crate::docstrings::definition::{Definition, DefinitionKind};
+use crate::visibility::Visibility;
+use crate::{visibility, Check};
+
+#[derive(Default)]
+struct ReturnStatementVisitor<'a> {
+    returns: Vec<&'a Option<Box<Expr>>>,
+}
+
+impl<'a, 'b> Visitor<'b> for ReturnStatementVisitor<'a>
+where
+    'b: 'a,
+{
+    fn visit_stmt(&mut self, stmt: &'b Stmt) {
+        match &stmt.node {
+            StmtKind::FunctionDef { .. } | StmtKind::AsyncFunctionDef { .. } => {
+                // No recurse.
+            }
+            StmtKind::Return { value } => self.returns.push(value),
+            _ => visitor::walk_stmt(self, stmt),
+        }
+    }
+}
+
+fn is_none_returning(body: &[Stmt]) -> bool {
+    let mut visitor: ReturnStatementVisitor = Default::default();
+    for stmt in body {
+        visitor.visit_stmt(stmt);
+    }
+    for expr in visitor.returns.into_iter().flatten() {
+        if !matches!(
+            expr.node,
+            ExprKind::Constant {
+                value: Constant::None,
+                ..
+            }
+        ) {
+            return false;
+        }
+    }
+    true
+}
+
+/// ANN401
+fn check_dynamically_typed(checker: &mut Checker, annotation: &Expr, name: &str) {
+    if checker.match_typing_module(annotation, "Any") {
+        checker.add_check(Check::new(
+            CheckKind::DynamicallyTypedExpression(name.to_string()),
+            Range::from_located(annotation),
+        ));
+    };
+}
+
+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`.
+    // We could adhere more closely to `flake8-annotations` by defining public
+    // vs. secret vs. protected.
+    match &definition.kind {
+        DefinitionKind::Module => {}
+        DefinitionKind::Package => {}
+        DefinitionKind::Class(_) => {}
+        DefinitionKind::NestedClass(_) => {}
+        DefinitionKind::Function(stmt) | DefinitionKind::NestedFunction(stmt) => {
+            let (name, args, returns, body) = match_function_def(stmt);
+
+            // ANN001, ANN401
+            for arg in args
+                .args
+                .iter()
+                .chain(args.posonlyargs.iter())
+                .chain(args.kwonlyargs.iter())
+            {
+                if let Some(expr) = &arg.node.annotation {
+                    if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                        check_dynamically_typed(checker, expr, &arg.node.arg);
+                    };
+                } else {
+                    if !(checker.settings.flake8_annotations.suppress_dummy_args
+                        && checker.settings.dummy_variable_rgx.is_match(&arg.node.arg))
+                    {
+                        if checker.settings.enabled.contains(&CheckCode::ANN001) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingTypeFunctionArgument(arg.node.arg.to_string()),
+                                Range::from_located(arg),
+                            ));
+                        }
+                    }
+                }
+            }
+
+            // ANN002, ANN401
+            if let Some(arg) = &args.vararg {
+                if let Some(expr) = &arg.node.annotation {
+                    if !checker.settings.flake8_annotations.allow_star_arg_any {
+                        if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                            let name = arg.node.arg.to_string();
+                            check_dynamically_typed(checker, expr, &format!("*{name}"));
+                        }
+                    }
+                } else {
+                    if !(checker.settings.flake8_annotations.suppress_dummy_args
+                        && checker.settings.dummy_variable_rgx.is_match(&arg.node.arg))
+                    {
+                        if checker.settings.enabled.contains(&CheckCode::ANN002) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingTypeArgs(arg.node.arg.to_string()),
+                                Range::from_located(arg),
+                            ));
+                        }
+                    }
+                }
+            }
+
+            // ANN003, ANN401
+            if let Some(arg) = &args.kwarg {
+                if let Some(expr) = &arg.node.annotation {
+                    if !checker.settings.flake8_annotations.allow_star_arg_any {
+                        if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                            let name = arg.node.arg.to_string();
+                            check_dynamically_typed(checker, expr, &format!("**{name}"));
+                        }
+                    }
+                } else {
+                    if !(checker.settings.flake8_annotations.suppress_dummy_args
+                        && checker.settings.dummy_variable_rgx.is_match(&arg.node.arg))
+                    {
+                        if checker.settings.enabled.contains(&CheckCode::ANN003) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingTypeKwargs(arg.node.arg.to_string()),
+                                Range::from_located(arg),
+                            ));
+                        }
+                    }
+                }
+            }
+
+            // ANN201, ANN202, ANN401
+            if let Some(expr) = &returns {
+                if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                    check_dynamically_typed(checker, expr, name);
+                };
+            } else {
+                // Allow omission of return annotation in `__init__` functions, if the function
+                // only returns `None` (explicitly or implicitly).
+                if checker.settings.flake8_annotations.suppress_none_returning
+                    && is_none_returning(body)
+                {
+                    return;
+                }
+
+                match visibility {
+                    Visibility::Public => {
+                        if checker.settings.enabled.contains(&CheckCode::ANN201) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingReturnTypePublicFunction(name.to_string()),
+                                Range::from_located(stmt),
+                            ));
+                        }
+                    }
+                    Visibility::Private => {
+                        if checker.settings.enabled.contains(&CheckCode::ANN202) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingReturnTypePrivateFunction(name.to_string()),
+                                Range::from_located(stmt),
+                            ));
+                        }
+                    }
+                }
+            }
+        }
+        DefinitionKind::Method(stmt) => {
+            let (name, args, returns, body) = match_function_def(stmt);
+            let mut has_any_typed_arg = false;
+
+            // ANN001
+            for arg in args
+                .args
+                .iter()
+                .chain(args.posonlyargs.iter())
+                .chain(args.kwonlyargs.iter())
+                .skip(
+                    // If this is a non-static method, skip `cls` or `self`.
+                    usize::from(!visibility::is_staticmethod(stmt)),
+                )
+            {
+                // ANN401 for dynamically typed arguments
+                if let Some(annotation) = &arg.node.annotation {
+                    has_any_typed_arg = true;
+                    if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                        check_dynamically_typed(checker, annotation, &arg.node.arg);
+                    }
+                } else {
+                    if !(checker.settings.flake8_annotations.suppress_dummy_args
+                        && checker.settings.dummy_variable_rgx.is_match(&arg.node.arg))
+                    {
+                        if checker.settings.enabled.contains(&CheckCode::ANN001) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingTypeFunctionArgument(arg.node.arg.to_string()),
+                                Range::from_located(arg),
+                            ));
+                        }
+                    }
+                }
+            }
+
+            // ANN002, ANN401
+            if let Some(arg) = &args.vararg {
+                has_any_typed_arg = true;
+                if let Some(expr) = &arg.node.annotation {
+                    if !checker.settings.flake8_annotations.allow_star_arg_any {
+                        if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                            let name = arg.node.arg.to_string();
+                            check_dynamically_typed(checker, expr, &format!("*{name}"));
+                        }
+                    }
+                } else {
+                    if !(checker.settings.flake8_annotations.suppress_dummy_args
+                        && checker.settings.dummy_variable_rgx.is_match(&arg.node.arg))
+                    {
+                        if checker.settings.enabled.contains(&CheckCode::ANN002) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingTypeArgs(arg.node.arg.to_string()),
+                                Range::from_located(arg),
+                            ));
+                        }
+                    }
+                }
+            }
+
+            // ANN003, ANN401
+            if let Some(arg) = &args.kwarg {
+                has_any_typed_arg = true;
+                if let Some(expr) = &arg.node.annotation {
+                    if !checker.settings.flake8_annotations.allow_star_arg_any {
+                        if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                            let name = arg.node.arg.to_string();
+                            check_dynamically_typed(checker, expr, &format!("**{name}"));
+                        }
+                    }
+                } else {
+                    if !(checker.settings.flake8_annotations.suppress_dummy_args
+                        && checker.settings.dummy_variable_rgx.is_match(&arg.node.arg))
+                    {
+                        if checker.settings.enabled.contains(&CheckCode::ANN003) {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingTypeKwargs(arg.node.arg.to_string()),
+                                Range::from_located(arg),
+                            ));
+                        }
+                    }
+                }
+            }
+
+            // ANN101, ANN102
+            if !visibility::is_staticmethod(stmt) {
+                if let Some(arg) = args.args.first() {
+                    if arg.node.annotation.is_none() {
+                        if visibility::is_classmethod(stmt) {
+                            if checker.settings.enabled.contains(&CheckCode::ANN102) {
+                                checker.add_check(Check::new(
+                                    CheckKind::MissingTypeCls(arg.node.arg.to_string()),
+                                    Range::from_located(arg),
+                                ));
+                            }
+                        } else {
+                            if checker.settings.enabled.contains(&CheckCode::ANN101) {
+                                checker.add_check(Check::new(
+                                    CheckKind::MissingTypeSelf(arg.node.arg.to_string()),
+                                    Range::from_located(arg),
+                                ));
+                            }
+                        }
+                    }
+                }
+            }
+
+            // ANN201, ANN202
+            if let Some(expr) = &returns {
+                if checker.settings.enabled.contains(&CheckCode::ANN401) {
+                    check_dynamically_typed(checker, expr, name);
+                }
+            } else {
+                // Allow omission of return annotation in `__init__` functions, if the function
+                // only returns `None` (explicitly or implicitly).
+                if checker.settings.flake8_annotations.suppress_none_returning
+                    && is_none_returning(body)
+                {
+                    return;
+                }
+
+                if visibility::is_classmethod(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(stmt) {
+                    if checker.settings.enabled.contains(&CheckCode::ANN205) {
+                        checker.add_check(Check::new(
+                            CheckKind::MissingReturnTypeStaticMethod(name.to_string()),
+                            Range::from_located(stmt),
+                        ));
+                    }
+                } else if visibility::is_magic(stmt) {
+                    if checker.settings.enabled.contains(&CheckCode::ANN204) {
+                        checker.add_check(Check::new(
+                            CheckKind::MissingReturnTypeMagicMethod(name.to_string()),
+                            Range::from_located(stmt),
+                        ));
+                    }
+                } else if visibility::is_init(stmt) {
+                    // Allow omission of return annotation in `__init__` functions, as long as at
+                    // least one argument is typed.
+                    if checker.settings.enabled.contains(&CheckCode::ANN204) {
+                        if !(checker.settings.flake8_annotations.mypy_init_return
+                            && has_any_typed_arg)
+                        {
+                            checker.add_check(Check::new(
+                                CheckKind::MissingReturnTypeMagicMethod(name.to_string()),
+                                Range::from_located(stmt),
+                            ));
+                        }
+                    }
+                } else {
+                    match visibility {
+                        Visibility::Public => {
+                            if checker.settings.enabled.contains(&CheckCode::ANN201) {
+                                checker.add_check(Check::new(
+                                    CheckKind::MissingReturnTypePublicFunction(name.to_string()),
+                                    Range::from_located(stmt),
+                                ));
+                            }
+                        }
+                        Visibility::Private => {
+                            if checker.settings.enabled.contains(&CheckCode::ANN202) {
+                                checker.add_check(Check::new(
+                                    CheckKind::MissingReturnTypePrivateFunction(name.to_string()),
+                                    Range::from_located(stmt),
+                                ));
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}
--- a/src/flake8_annotations/settings.rs
+++ b/src/flake8_annotations/settings.rs
@@ -0,0 +1,40 @@
+//! Settings for the `flake-annotations` plugin.
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, PartialEq, Eq, Serialize, Deserialize, Default)]
+#[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.
+    pub mypy_init_return: Option<bool>,
+    /// Suppress ANN000-level errors for dummy arguments, like `_`.
+    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).
+    pub suppress_none_returning: Option<bool>,
+    /// Suppress ANN401 for dynamically typed *args and **kwargs.
+    pub allow_star_arg_any: Option<bool>,
+}
+
+#[derive(Debug, Hash, Default)]
+pub struct Settings {
+    pub mypy_init_return: bool,
+    pub suppress_dummy_args: bool,
+    pub suppress_none_returning: bool,
+    pub allow_star_arg_any: bool,
+}
+
+impl Settings {
+    pub fn from_options(options: Options) -> Self {
+        Self {
+            mypy_init_return: options.mypy_init_return.unwrap_or_default(),
+            suppress_dummy_args: options.suppress_dummy_args.unwrap_or_default(),
+            suppress_none_returning: options.suppress_none_returning.unwrap_or_default(),
+            allow_star_arg_any: options.allow_star_arg_any.unwrap_or_default(),
+        }
+    }
+}
--- a/src/flake8_annotations/snapshots/ruff__flake8_annotationstestsallow_star_arg_any.snap
+++ b/src/flake8_annotations/snapshots/ruff__flake8_annotationstestsallow_star_arg_any.snap
@@ -0,0 +1,41 @@
+---
+source: src/flake8_annotations/mod.rs
+expression: checks
+---
+- kind:
+    DynamicallyTypedExpression: a
+  location:
+    row: 10
+    column: 11
+  end_location:
+    row: 10
+    column: 14
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: foo
+  location:
+    row: 15
+    column: 46
+  end_location:
+    row: 15
+    column: 49
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: a
+  location:
+    row: 40
+    column: 28
+  end_location:
+    row: 40
+    column: 31
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: foo_method
+  location:
+    row: 44
+    column: 66
+  end_location:
+    row: 44
+    column: 69
+  fix: ~
+
--- a/src/flake8_annotations/snapshots/ruff__flake8_annotationstestsdefaults.snap
+++ b/src/flake8_annotations/snapshots/ruff__flake8_annotationstestsdefaults.snap
@@ -0,0 +1,203 @@
+---
+source: src/flake8_annotations/mod.rs
+expression: checks
+---
+- kind:
+    MissingReturnTypePublicFunction: foo
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 9
+    column: 0
+  fix: ~
+- kind:
+    MissingTypeFunctionArgument: a
+  location:
+    row: 4
+    column: 8
+  end_location:
+    row: 4
+    column: 9
+  fix: ~
+- kind:
+    MissingTypeFunctionArgument: b
+  location:
+    row: 4
+    column: 11
+  end_location:
+    row: 4
+    column: 12
+  fix: ~
+- kind:
+    MissingReturnTypePublicFunction: foo
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 14
+    column: 0
+  fix: ~
+- kind:
+    MissingTypeFunctionArgument: b
+  location:
+    row: 9
+    column: 16
+  end_location:
+    row: 9
+    column: 17
+  fix: ~
+- kind:
+    MissingTypeFunctionArgument: b
+  location:
+    row: 14
+    column: 16
+  end_location:
+    row: 14
+    column: 17
+  fix: ~
+- kind:
+    MissingReturnTypePublicFunction: foo
+  location:
+    row: 19
+    column: 0
+  end_location:
+    row: 24
+    column: 0
+  fix: ~
+- kind:
+    MissingReturnTypePublicFunction: foo
+  location:
+    row: 24
+    column: 0
+  end_location:
+    row: 29
+    column: 0
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: a
+  location:
+    row: 44
+    column: 11
+  end_location:
+    row: 44
+    column: 14
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: foo
+  location:
+    row: 49
+    column: 46
+  end_location:
+    row: 49
+    column: 49
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "*args"
+  location:
+    row: 54
+    column: 23
+  end_location:
+    row: 54
+    column: 26
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "**kwargs"
+  location:
+    row: 54
+    column: 38
+  end_location:
+    row: 54
+    column: 41
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "*args"
+  location:
+    row: 59
+    column: 23
+  end_location:
+    row: 59
+    column: 26
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "**kwargs"
+  location:
+    row: 64
+    column: 38
+  end_location:
+    row: 64
+    column: 41
+  fix: ~
+- kind:
+    MissingTypeSelf: self
+  location:
+    row: 74
+    column: 12
+  end_location:
+    row: 74
+    column: 16
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: a
+  location:
+    row: 78
+    column: 28
+  end_location:
+    row: 78
+    column: 31
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: foo
+  location:
+    row: 82
+    column: 66
+  end_location:
+    row: 82
+    column: 69
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "*params"
+  location:
+    row: 86
+    column: 42
+  end_location:
+    row: 86
+    column: 45
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "**options"
+  location:
+    row: 86
+    column: 58
+  end_location:
+    row: 86
+    column: 61
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "*params"
+  location:
+    row: 90
+    column: 42
+  end_location:
+    row: 90
+    column: 45
+  fix: ~
+- kind:
+    DynamicallyTypedExpression: "**options"
+  location:
+    row: 94
+    column: 58
+  end_location:
+    row: 94
+    column: 61
+  fix: ~
+- kind:
+    MissingTypeCls: cls
+  location:
+    row: 104
+    column: 12
+  end_location:
+    row: 104
+    column: 15
+  fix: ~
+
--- a/src/flake8_annotations/snapshots/ruff__flake8_annotationstestsmypy_init_return.snap
+++ b/src/flake8_annotations/snapshots/ruff__flake8_annotationstestsmypy_init_return.snap
@@ -0,0 +1,32 @@
+---
+source: src/flake8_annotations/mod.rs
+expression: checks
+---
+- kind:
+    MissingReturnTypeMagicMethod: __init__
+  location:
+    row: 5
+    column: 4
+  end_location:
+    row: 10
+    column: 0
+  fix: ~
+- kind:
+    MissingReturnTypeMagicMethod: __init__
+  location:
+    row: 11
+    column: 4
+  end_location:
+    row: 16
+    column: 0
+  fix: ~
+- kind:
+    MissingReturnTypePrivateFunction: __init__
+  location:
+    row: 40
+    column: 0
+  end_location:
+    row: 42
+    column: 0
+  fix: ~
+
--- a/src/flake8_annotations/snapshots/ruff__flake8_annotationstestssuppress_dummy_args.snap
+++ b/src/flake8_annotations/snapshots/ruff__flake8_annotationstestssuppress_dummy_args.snap
@@ -0,0 +1,6 @@
+---
+source: src/flake8_annotations/mod.rs
+expression: checks
+---
+[]
+
--- a/src/flake8_annotations/snapshots/ruff__flake8_annotationstestssuppress_none_returning.snap
+++ b/src/flake8_annotations/snapshots/ruff__flake8_annotationstestssuppress_none_returning.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_annotations/mod.rs
+expression: checks
+---
+- kind:
+    MissingReturnTypePublicFunction: foo
+  location:
+    row: 45
+    column: 0
+  end_location:
+    row: 50
+    column: 0
+  fix: ~
+- kind:
+    MissingReturnTypePublicFunction: foo
+  location:
+    row: 50
+    column: 0
+  end_location:
+    row: 56
+    column: 0
+  fix: ~
+
--- a/src/flake8_bugbear/plugins/assert_false.rs
+++ b/src/flake8_bugbear/plugins/assert_false.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Constant, Expr, ExprContext, ExprKind, Stmt, StmtKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};
@@ -42,10 +42,7 @@ pub fn assert_false(checker: &mut Checker, stmt: &Stmt, test: &Expr, msg: &Optio
        ..
    } = &test.node
    {
-        let mut check = Check::new(
-            CheckKind::DoNotAssertFalse,
-            checker.locate_check(Range::from_located(test)),
-        );
+        let mut check = Check::new(CheckKind::DoNotAssertFalse, Range::from_located(test));
        if checker.patch() {
            let mut generator = SourceGenerator::new();
            if let Ok(()) = generator.unparse_stmt(&assertion_error(msg)) {
--- a/src/flake8_bugbear/plugins/assert_raises_exception.rs
+++ b/src/flake8_bugbear/plugins/assert_raises_exception.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::{ExprKind, Stmt, Withitem};

 use crate::ast::helpers::match_name_or_attr;
-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -17,7 +17,7 @@ pub fn assert_raises_exception(checker: &mut Checker, stmt: &Stmt, items: &[With
            {
                checker.add_check(Check::new(
                    CheckKind::NoAssertRaisesException,
-                    checker.locate_check(Range::from_located(stmt)),
+                    Range::from_located(stmt),
                ));
            }
        }
--- a/src/flake8_bugbear/plugins/assignment_to_os_environ.rs
+++ b/src/flake8_bugbear/plugins/assignment_to_os_environ.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Expr, ExprKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -14,7 +14,7 @@ pub fn assignment_to_os_environ(checker: &mut Checker, targets: &[Expr]) {
                    if id == "os" {
                        checker.add_check(Check::new(
                            CheckKind::AssignmentToOsEnviron,
-                            checker.locate_check(Range::from_located(target)),
+                            Range::from_located(target),
                        ));
                    }
                }
--- a/src/flake8_bugbear/plugins/cannot_raise_literal.rs
+++ b/src/flake8_bugbear/plugins/cannot_raise_literal.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Expr, ExprKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -9,7 +9,7 @@ pub fn cannot_raise_literal(checker: &mut Checker, expr: &Expr) {
    if let ExprKind::Constant { .. } = &expr.node {
        checker.add_check(Check::new(
            CheckKind::CannotRaiseLiteral,
-            checker.locate_check(Range::from_located(expr)),
+            Range::from_located(expr),
        ));
    }
 }
--- a/src/flake8_bugbear/plugins/duplicate_exceptions.rs
+++ b/src/flake8_bugbear/plugins/duplicate_exceptions.rs
@@ -4,7 +4,7 @@ use itertools::Itertools;
 use rustpython_ast::{Excepthandler, ExcepthandlerKind, Expr, ExprContext, ExprKind, Stmt};

 use crate::ast::helpers;
-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckCode, CheckKind};
@@ -47,7 +47,7 @@ pub fn duplicate_handler_exceptions(
                CheckKind::DuplicateHandlerException(
                    duplicates.into_iter().sorted().collect::<Vec<String>>(),
                ),
-                checker.locate_check(Range::from_located(expr)),
+                Range::from_located(expr),
            );
            if checker.patch() {
                // TODO(charlie): If we have a single element, remove the tuple.
@@ -106,7 +106,7 @@ pub fn duplicate_exceptions(checker: &mut Checker, stmt: &Stmt, handlers: &[Exce
        for duplicate in duplicates.into_iter().sorted() {
            checker.add_check(Check::new(
                CheckKind::DuplicateTryBlockException(duplicate),
-                checker.locate_check(Range::from_located(stmt)),
+                Range::from_located(stmt),
            ));
        }
    }
--- a/src/flake8_bugbear/plugins/function_call_argument_default.rs
+++ b/src/flake8_bugbear/plugins/function_call_argument_default.rs
@@ -1,7 +1,7 @@
 use rustpython_ast::{Arguments, Constant, Expr, ExprKind};

 use crate::ast::helpers::compose_call_path;
-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::check_ast::Checker;
@@ -91,6 +91,6 @@ pub fn function_call_argument_default(checker: &mut Checker, arguments: &Argumen
        visitor.visit_expr(expr);
    }
    for (check, range) in visitor.checks {
-        checker.add_check(Check::new(check, checker.locate_check(range)));
+        checker.add_check(Check::new(check, range));
    }
 }
--- a/src/flake8_bugbear/plugins/mod.rs
+++ b/src/flake8_bugbear/plugins/mod.rs
@@ -6,7 +6,9 @@ pub use duplicate_exceptions::{duplicate_exceptions, duplicate_handler_exception
 pub use function_call_argument_default::function_call_argument_default;
 pub use mutable_argument_default::mutable_argument_default;
 pub use redundant_tuple_in_exception_handler::redundant_tuple_in_exception_handler;
+pub use strip_with_multi_characters::strip_with_multi_characters;
 pub use unary_prefix_increment::unary_prefix_increment;
+pub use unreliable_callable_check::unreliable_callable_check;
 pub use unused_loop_control_variable::unused_loop_control_variable;
 pub use useless_comparison::useless_comparison;
 pub use useless_expression::useless_expression;
@@ -19,7 +21,9 @@ mod duplicate_exceptions;
 mod function_call_argument_default;
 mod mutable_argument_default;
 mod redundant_tuple_in_exception_handler;
+mod strip_with_multi_characters;
 mod unary_prefix_increment;
+mod unreliable_callable_check;
 mod unused_loop_control_variable;
 mod useless_comparison;
 mod useless_expression;
--- a/src/flake8_bugbear/plugins/mutable_argument_default.rs
+++ b/src/flake8_bugbear/plugins/mutable_argument_default.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Arguments, Expr, ExprKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -45,14 +45,14 @@ pub fn mutable_argument_default(checker: &mut Checker, arguments: &Arguments) {
            | ExprKind::SetComp { .. } => {
                checker.add_check(Check::new(
                    CheckKind::MutableArgumentDefault,
-                    checker.locate_check(Range::from_located(expr)),
+                    Range::from_located(expr),
                ));
            }
            ExprKind::Call { func, .. } => {
                if is_mutable_func(func) {
                    checker.add_check(Check::new(
                        CheckKind::MutableArgumentDefault,
-                        checker.locate_check(Range::from_located(expr)),
+                        Range::from_located(expr),
                    ));
                }
            }
--- a/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
+++ b/src/flake8_bugbear/plugins/redundant_tuple_in_exception_handler.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Excepthandler, ExcepthandlerKind, ExprKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -13,7 +13,7 @@ pub fn redundant_tuple_in_exception_handler(checker: &mut Checker, handlers: &[E
                if elts.len() == 1 {
                    checker.add_check(Check::new(
                        CheckKind::RedundantTupleInExceptionHandler(elts[0].to_string()),
-                        checker.locate_check(Range::from_located(type_)),
+                        Range::from_located(type_),
                    ));
                }
            }
--- a/src/flake8_bugbear/plugins/strip_with_multi_characters.rs
+++ b/src/flake8_bugbear/plugins/strip_with_multi_characters.rs
@@ -0,0 +1,28 @@
+use itertools::Itertools;
+use rustpython_ast::{Constant, Expr, ExprKind};
+
+use crate::ast::types::Range;
+use crate::check_ast::Checker;
+use crate::checks::{Check, CheckKind};
+
+/// B005
+pub fn strip_with_multi_characters(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
+    if let ExprKind::Attribute { attr, .. } = &func.node {
+        if attr == "strip" || attr == "lstrip" || attr == "rstrip" {
+            if args.len() == 1 {
+                if let ExprKind::Constant {
+                    value: Constant::Str(value),
+                    ..
+                } = &args[0].node
+                {
+                    if value.len() > 1 && value.chars().unique().count() != value.len() {
+                        checker.add_check(Check::new(
+                            CheckKind::StripWithMultiCharacters,
+                            Range::from_located(expr),
+                        ));
+                    }
+                }
+            }
+        }
+    }
+}
--- a/src/flake8_bugbear/plugins/unary_prefix_increment.rs
+++ b/src/flake8_bugbear/plugins/unary_prefix_increment.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Expr, ExprKind, Unaryop};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -11,7 +11,7 @@ pub fn unary_prefix_increment(checker: &mut Checker, expr: &Expr, op: &Unaryop,
            if matches!(op, Unaryop::UAdd) {
                checker.add_check(Check::new(
                    CheckKind::UnaryPrefixIncrement,
-                    checker.locate_check(Range::from_located(expr)),
+                    Range::from_located(expr),
                ))
            }
        }
--- a/src/flake8_bugbear/plugins/unreliable_callable_check.rs
+++ b/src/flake8_bugbear/plugins/unreliable_callable_check.rs
@@ -0,0 +1,27 @@
+use rustpython_ast::{Constant, Expr, ExprKind};
+
+use crate::ast::types::Range;
+use crate::check_ast::Checker;
+use crate::checks::{Check, CheckKind};
+
+/// B004
+pub fn unreliable_callable_check(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
+    if let ExprKind::Name { id, .. } = &func.node {
+        if id == "getattr" || id == "hasattr" {
+            if args.len() >= 2 {
+                if let ExprKind::Constant {
+                    value: Constant::Str(s),
+                    ..
+                } = &args[1].node
+                {
+                    if s == "__call__" {
+                        checker.add_check(Check::new(
+                            CheckKind::UnreliableCallableCheck,
+                            Range::from_located(expr),
+                        ));
+                    }
+                }
+            }
+        }
+    }
+}
--- a/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
+++ b/src/flake8_bugbear/plugins/unused_loop_control_variable.rs
@@ -2,7 +2,7 @@ use std::collections::BTreeMap;

 use rustpython_ast::{Expr, ExprKind, Stmt};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::ast::visitor;
 use crate::ast::visitor::Visitor;
 use crate::autofix::Fix;
@@ -64,7 +64,7 @@ pub fn unused_loop_control_variable(checker: &mut Checker, target: &Expr, body:

        let mut check = Check::new(
            CheckKind::UnusedLoopControlVariable(name.to_string()),
-            checker.locate_check(Range::from_located(expr)),
+            Range::from_located(expr),
        );
        if checker.patch() {
            // Prefix the variable name with an underscore.
--- a/src/flake8_bugbear/plugins/useless_comparison.rs
+++ b/src/flake8_bugbear/plugins/useless_comparison.rs
@@ -1,14 +1,14 @@
 use rustpython_ast::{Expr, ExprKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

 pub fn useless_comparison(checker: &mut Checker, expr: &Expr) {
-    if let ExprKind::Compare { left, .. } = &expr.node {
+    if matches!(expr.node, ExprKind::Compare { .. }) {
        checker.add_check(Check::new(
            CheckKind::UselessComparison,
-            checker.locate_check(Range::from_located(left)),
+            Range::from_located(expr),
        ));
    }
 }
--- a/src/flake8_bugbear/plugins/useless_expression.rs
+++ b/src/flake8_bugbear/plugins/useless_expression.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Constant, ExprKind, Stmt, StmtKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};

@@ -12,7 +12,7 @@ pub fn useless_expression(checker: &mut Checker, body: &[Stmt]) {
                ExprKind::List { .. } | ExprKind::Dict { .. } | ExprKind::Set { .. } => {
                    checker.add_check(Check::new(
                        CheckKind::UselessExpression,
-                        checker.locate_check(Range::from_located(value)),
+                        Range::from_located(value),
                    ));
                }
                ExprKind::Constant { value: val, .. } => match &val {
@@ -20,7 +20,7 @@ pub fn useless_expression(checker: &mut Checker, body: &[Stmt]) {
                    _ => {
                        checker.add_check(Check::new(
                            CheckKind::UselessExpression,
-                            checker.locate_check(Range::from_located(value)),
+                            Range::from_located(value),
                        ));
                    }
                },
--- a/src/flake8_comprehensions/checks.rs
+++ b/src/flake8_comprehensions/checks.rs
@@ -149,19 +149,26 @@ pub fn unnecessary_list_comprehension_set(

 /// C404 (`dict([...])`)
 pub fn unnecessary_list_comprehension_dict(
+    expr: &Expr,
    func: &Expr,
    args: &[Expr],
    keywords: &[Keyword],
+    locator: &SourceCodeLocator,
+    fix: bool,
    location: Range,
 ) -> Option<Check> {
    let argument = exactly_one_argument_with_matching_function("dict", func, args, keywords)?;
    if let ExprKind::ListComp { elt, .. } = &argument {
        match &elt.node {
            ExprKind::Tuple { elts, .. } if elts.len() == 2 => {
-                return Some(Check::new(
-                    CheckKind::UnnecessaryListComprehensionDict,
-                    location,
-                ));
+                let mut check = Check::new(CheckKind::UnnecessaryListComprehensionDict, location);
+                if fix {
+                    match fixes::fix_unnecessary_list_comprehension_dict(locator, expr) {
+                        Ok(fix) => check.amend(fix),
+                        Err(e) => error!("Failed to generate fix: {}", e),
+                    }
+                }
+                return Some(check);
            }
            _ => {}
        }
--- a/src/flake8_comprehensions/fixes.rs
+++ b/src/flake8_comprehensions/fixes.rs
@@ -220,6 +220,64 @@ pub fn fix_unnecessary_list_comprehension_set(
    ))
 }

+/// (C404) Convert `dict([(i, i) for i in range(3)])` to `{i: i for i in
+/// range(3)}`.
+pub fn fix_unnecessary_list_comprehension_dict(
+    locator: &SourceCodeLocator,
+    expr: &rustpython_ast::Expr,
+) -> Result<Fix> {
+    let module_text = locator.slice_source_code_range(&Range::from_located(expr));
+    let mut tree = match_module(&module_text)?;
+    let mut body = match_expr(&mut tree)?;
+    let call = match_call(body)?;
+    let arg = match_arg(call)?;
+
+    let list_comp = if let Expression::ListComp(list_comp) = &arg.value {
+        list_comp
+    } else {
+        return Err(anyhow::anyhow!("Expected node to be: Expression::ListComp"));
+    };
+
+    let tuple = if let Expression::Tuple(tuple) = &*list_comp.elt {
+        tuple
+    } else {
+        return Err(anyhow::anyhow!("Expected node to be: Expression::Tuple"));
+    };
+
+    let (key, comma, value) = match &tuple.elements[..] {
+        [Element::Simple {
+            value: key,
+            comma: Some(comma),
+        }, Element::Simple { value, .. }] => (key, comma, value),
+        _ => return Err(anyhow::anyhow!("Expected tuple with two elements")),
+    };
+
+    body.value = Expression::DictComp(Box::new(DictComp {
+        key: Box::new(key.clone()),
+        value: Box::new(value.clone()),
+        for_in: list_comp.for_in.clone(),
+        whitespace_before_colon: comma.whitespace_before.clone(),
+        whitespace_after_colon: comma.whitespace_after.clone(),
+        lbrace: LeftCurlyBrace {
+            whitespace_after: call.whitespace_before_args.clone(),
+        },
+        rbrace: RightCurlyBrace {
+            whitespace_before: arg.whitespace_after_arg.clone(),
+        },
+        lpar: list_comp.lpar.clone(),
+        rpar: list_comp.rpar.clone(),
+    }));
+
+    let mut state = Default::default();
+    tree.codegen(&mut state);
+
+    Ok(Fix::replacement(
+        state.to_string(),
+        expr.location,
+        expr.end_location.unwrap(),
+    ))
+}
+
 /// (C405) Convert `set((1, 2))` to `{1, 2}`.
 pub fn fix_unnecessary_literal_set(
    locator: &SourceCodeLocator,
--- a/src/flake8_print/plugins/print_call.rs
+++ b/src/flake8_print/plugins/print_call.rs
@@ -1,7 +1,7 @@
 use log::error;
 use rustpython_ast::{Expr, Stmt, StmtKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::autofix::helpers;
 use crate::check_ast::Checker;
 use crate::checks::CheckCode;
@@ -13,7 +13,7 @@ pub fn print_call(checker: &mut Checker, expr: &Expr, func: &Expr) {
        func,
        checker.settings.enabled.contains(&CheckCode::T201),
        checker.settings.enabled.contains(&CheckCode::T203),
-        checker.locate_check(Range::from_located(expr)),
+        Range::from_located(expr),
    ) {
        if checker.patch() {
            let context = checker.binding_context();
--- a/src/flake8_quotes/checks.rs
+++ b/src/flake8_quotes/checks.rs
@@ -135,172 +135,3 @@ pub fn quotes(

    None
 }
-
-#[cfg(test)]
-mod tests {
-    use std::path::Path;
-
-    use anyhow::Result;
-    use rustpython_parser::lexer::LexResult;
-    use test_case::test_case;
-
-    use crate::autofix::fixer;
-    use crate::checks::{Check, CheckCode};
-    use crate::flake8_quotes::settings::Quote;
-    use crate::linter::tokenize;
-    use crate::{flake8_quotes, fs, linter, noqa, Settings, SourceCodeLocator};
-
-    fn check_path(path: &Path, settings: &Settings, autofix: &fixer::Mode) -> Result<Vec<Check>> {
-        let contents = fs::read_file(path)?;
-        let tokens: Vec<LexResult> = tokenize(&contents);
-        let locator = SourceCodeLocator::new(&contents);
-        let noqa_line_for = noqa::extract_noqa_line_for(&tokens);
-        linter::check_path(
-            path,
-            &contents,
-            tokens,
-            &locator,
-            &noqa_line_for,
-            settings,
-            autofix,
-        )
-    }
-
-    #[test_case(Path::new("doubles.py"))]
-    #[test_case(Path::new("doubles_escaped.py"))]
-    #[test_case(Path::new("doubles_multiline_string.py"))]
-    #[test_case(Path::new("doubles_noqa.py"))]
-    #[test_case(Path::new("doubles_wrapped.py"))]
-    fn doubles(path: &Path) -> Result<()> {
-        let snapshot = format!("doubles_{}", path.to_string_lossy());
-        let mut checks = check_path(
-            Path::new("./resources/test/fixtures/flake8_quotes")
-                .join(path)
-                .as_path(),
-            &Settings {
-                flake8_quotes: flake8_quotes::settings::Settings {
-                    inline_quotes: Quote::Single,
-                    multiline_quotes: Quote::Single,
-                    docstring_quotes: Quote::Single,
-                    avoid_escape: true,
-                },
-                ..Settings::for_rules(vec![
-                    CheckCode::Q000,
-                    CheckCode::Q001,
-                    CheckCode::Q002,
-                    CheckCode::Q003,
-                ])
-            },
-            &fixer::Mode::Generate,
-        )?;
-        checks.sort_by_key(|check| check.location);
-        insta::assert_yaml_snapshot!(snapshot, checks);
-        Ok(())
-    }
-
-    #[test_case(Path::new("singles.py"))]
-    #[test_case(Path::new("singles_escaped.py"))]
-    #[test_case(Path::new("singles_multiline_string.py"))]
-    #[test_case(Path::new("singles_noqa.py"))]
-    #[test_case(Path::new("singles_wrapped.py"))]
-    fn singles(path: &Path) -> Result<()> {
-        let snapshot = format!("singles_{}", path.to_string_lossy());
-        let mut checks = check_path(
-            Path::new("./resources/test/fixtures/flake8_quotes")
-                .join(path)
-                .as_path(),
-            &Settings {
-                flake8_quotes: flake8_quotes::settings::Settings {
-                    inline_quotes: Quote::Double,
-                    multiline_quotes: Quote::Double,
-                    docstring_quotes: Quote::Double,
-                    avoid_escape: true,
-                },
-                ..Settings::for_rules(vec![
-                    CheckCode::Q000,
-                    CheckCode::Q001,
-                    CheckCode::Q002,
-                    CheckCode::Q003,
-                ])
-            },
-            &fixer::Mode::Generate,
-        )?;
-        checks.sort_by_key(|check| check.location);
-        insta::assert_yaml_snapshot!(snapshot, checks);
-        Ok(())
-    }
-
-    #[test_case(Path::new("docstring_doubles.py"))]
-    #[test_case(Path::new("docstring_doubles_module_multiline.py"))]
-    #[test_case(Path::new("docstring_doubles_module_singleline.py"))]
-    #[test_case(Path::new("docstring_doubles_class.py"))]
-    #[test_case(Path::new("docstring_doubles_function.py"))]
-    #[test_case(Path::new("docstring_singles.py"))]
-    #[test_case(Path::new("docstring_singles_module_multiline.py"))]
-    #[test_case(Path::new("docstring_singles_module_singleline.py"))]
-    #[test_case(Path::new("docstring_singles_class.py"))]
-    #[test_case(Path::new("docstring_singles_function.py"))]
-    fn double_docstring(path: &Path) -> Result<()> {
-        let snapshot = format!("double_docstring_{}", path.to_string_lossy());
-        let mut checks = check_path(
-            Path::new("./resources/test/fixtures/flake8_quotes")
-                .join(path)
-                .as_path(),
-            &Settings {
-                flake8_quotes: flake8_quotes::settings::Settings {
-                    inline_quotes: Quote::Single,
-                    multiline_quotes: Quote::Single,
-                    docstring_quotes: Quote::Double,
-                    avoid_escape: true,
-                },
-                ..Settings::for_rules(vec![
-                    CheckCode::Q000,
-                    CheckCode::Q001,
-                    CheckCode::Q002,
-                    CheckCode::Q003,
-                ])
-            },
-            &fixer::Mode::Generate,
-        )?;
-        checks.sort_by_key(|check| check.location);
-        insta::assert_yaml_snapshot!(snapshot, checks);
-        Ok(())
-    }
-
-    #[test_case(Path::new("docstring_doubles.py"))]
-    #[test_case(Path::new("docstring_doubles_module_multiline.py"))]
-    #[test_case(Path::new("docstring_doubles_module_singleline.py"))]
-    #[test_case(Path::new("docstring_doubles_class.py"))]
-    #[test_case(Path::new("docstring_doubles_function.py"))]
-    #[test_case(Path::new("docstring_singles.py"))]
-    #[test_case(Path::new("docstring_singles_module_multiline.py"))]
-    #[test_case(Path::new("docstring_singles_module_singleline.py"))]
-    #[test_case(Path::new("docstring_singles_class.py"))]
-    #[test_case(Path::new("docstring_singles_function.py"))]
-    fn single_docstring(path: &Path) -> Result<()> {
-        let snapshot = format!("single_docstring_{}", path.to_string_lossy());
-        let mut checks = check_path(
-            Path::new("./resources/test/fixtures/flake8_quotes")
-                .join(path)
-                .as_path(),
-            &Settings {
-                flake8_quotes: flake8_quotes::settings::Settings {
-                    inline_quotes: Quote::Single,
-                    multiline_quotes: Quote::Double,
-                    docstring_quotes: Quote::Single,
-                    avoid_escape: true,
-                },
-                ..Settings::for_rules(vec![
-                    CheckCode::Q000,
-                    CheckCode::Q001,
-                    CheckCode::Q002,
-                    CheckCode::Q003,
-                ])
-            },
-            &fixer::Mode::Generate,
-        )?;
-        checks.sort_by_key(|check| check.location);
-        insta::assert_yaml_snapshot!(snapshot, checks);
-        Ok(())
-    }
-}
--- a/src/flake8_quotes/mod.rs
+++ b/src/flake8_quotes/mod.rs
@@ -1,2 +1,171 @@
 pub mod checks;
 pub mod settings;
+
+#[cfg(test)]
+mod tests {
+    use std::path::Path;
+
+    use anyhow::Result;
+    use rustpython_parser::lexer::LexResult;
+    use test_case::test_case;
+
+    use crate::autofix::fixer;
+    use crate::checks::{Check, CheckCode};
+    use crate::flake8_quotes::settings::Quote;
+    use crate::linter::tokenize;
+    use crate::{flake8_quotes, fs, linter, noqa, Settings, SourceCodeLocator};
+
+    fn check_path(path: &Path, settings: &Settings, autofix: &fixer::Mode) -> Result<Vec<Check>> {
+        let contents = fs::read_file(path)?;
+        let tokens: Vec<LexResult> = tokenize(&contents);
+        let locator = SourceCodeLocator::new(&contents);
+        let noqa_line_for = noqa::extract_noqa_line_for(&tokens);
+        linter::check_path(
+            path,
+            &contents,
+            tokens,
+            &locator,
+            &noqa_line_for,
+            settings,
+            autofix,
+        )
+    }
+
+    #[test_case(Path::new("doubles.py"))]
+    #[test_case(Path::new("doubles_escaped.py"))]
+    #[test_case(Path::new("doubles_multiline_string.py"))]
+    #[test_case(Path::new("doubles_noqa.py"))]
+    #[test_case(Path::new("doubles_wrapped.py"))]
+    fn doubles(path: &Path) -> Result<()> {
+        let snapshot = format!("doubles_{}", path.to_string_lossy());
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_quotes")
+                .join(path)
+                .as_path(),
+            &Settings {
+                flake8_quotes: flake8_quotes::settings::Settings {
+                    inline_quotes: Quote::Single,
+                    multiline_quotes: Quote::Single,
+                    docstring_quotes: Quote::Single,
+                    avoid_escape: true,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::Q000,
+                    CheckCode::Q001,
+                    CheckCode::Q002,
+                    CheckCode::Q003,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
+
+    #[test_case(Path::new("singles.py"))]
+    #[test_case(Path::new("singles_escaped.py"))]
+    #[test_case(Path::new("singles_multiline_string.py"))]
+    #[test_case(Path::new("singles_noqa.py"))]
+    #[test_case(Path::new("singles_wrapped.py"))]
+    fn singles(path: &Path) -> Result<()> {
+        let snapshot = format!("singles_{}", path.to_string_lossy());
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_quotes")
+                .join(path)
+                .as_path(),
+            &Settings {
+                flake8_quotes: flake8_quotes::settings::Settings {
+                    inline_quotes: Quote::Double,
+                    multiline_quotes: Quote::Double,
+                    docstring_quotes: Quote::Double,
+                    avoid_escape: true,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::Q000,
+                    CheckCode::Q001,
+                    CheckCode::Q002,
+                    CheckCode::Q003,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
+
+    #[test_case(Path::new("docstring_doubles.py"))]
+    #[test_case(Path::new("docstring_doubles_module_multiline.py"))]
+    #[test_case(Path::new("docstring_doubles_module_singleline.py"))]
+    #[test_case(Path::new("docstring_doubles_class.py"))]
+    #[test_case(Path::new("docstring_doubles_function.py"))]
+    #[test_case(Path::new("docstring_singles.py"))]
+    #[test_case(Path::new("docstring_singles_module_multiline.py"))]
+    #[test_case(Path::new("docstring_singles_module_singleline.py"))]
+    #[test_case(Path::new("docstring_singles_class.py"))]
+    #[test_case(Path::new("docstring_singles_function.py"))]
+    fn double_docstring(path: &Path) -> Result<()> {
+        let snapshot = format!("double_docstring_{}", path.to_string_lossy());
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_quotes")
+                .join(path)
+                .as_path(),
+            &Settings {
+                flake8_quotes: flake8_quotes::settings::Settings {
+                    inline_quotes: Quote::Single,
+                    multiline_quotes: Quote::Single,
+                    docstring_quotes: Quote::Double,
+                    avoid_escape: true,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::Q000,
+                    CheckCode::Q001,
+                    CheckCode::Q002,
+                    CheckCode::Q003,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
+
+    #[test_case(Path::new("docstring_doubles.py"))]
+    #[test_case(Path::new("docstring_doubles_module_multiline.py"))]
+    #[test_case(Path::new("docstring_doubles_module_singleline.py"))]
+    #[test_case(Path::new("docstring_doubles_class.py"))]
+    #[test_case(Path::new("docstring_doubles_function.py"))]
+    #[test_case(Path::new("docstring_singles.py"))]
+    #[test_case(Path::new("docstring_singles_module_multiline.py"))]
+    #[test_case(Path::new("docstring_singles_module_singleline.py"))]
+    #[test_case(Path::new("docstring_singles_class.py"))]
+    #[test_case(Path::new("docstring_singles_function.py"))]
+    fn single_docstring(path: &Path) -> Result<()> {
+        let snapshot = format!("single_docstring_{}", path.to_string_lossy());
+        let mut checks = check_path(
+            Path::new("./resources/test/fixtures/flake8_quotes")
+                .join(path)
+                .as_path(),
+            &Settings {
+                flake8_quotes: flake8_quotes::settings::Settings {
+                    inline_quotes: Quote::Single,
+                    multiline_quotes: Quote::Double,
+                    docstring_quotes: Quote::Single,
+                    avoid_escape: true,
+                },
+                ..Settings::for_rules(vec![
+                    CheckCode::Q000,
+                    CheckCode::Q001,
+                    CheckCode::Q002,
+                    CheckCode::Q003,
+                ])
+            },
+            &fixer::Mode::Generate,
+        )?;
+        checks.sort_by_key(|check| check.location);
+        insta::assert_yaml_snapshot!(snapshot, checks);
+        Ok(())
+    }
+}
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles.py.snap
@@ -0,0 +1,50 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 7
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 16
+    column: 4
+  end_location:
+    row: 18
+    column: 7
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 21
+    column: 20
+  end_location:
+    row: 22
+    column: 37
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 30
+    column: 8
+  end_location:
+    row: 32
+    column: 11
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 35
+    column: 12
+  end_location:
+    row: 37
+    column: 15
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_class.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_class.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 3
+    column: 4
+  end_location:
+    row: 3
+    column: 27
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 5
+    column: 22
+  end_location:
+    row: 5
+    column: 43
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_function.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_function.py.snap
@@ -0,0 +1,50 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 3
+    column: 4
+  end_location:
+    row: 3
+    column: 26
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 11
+    column: 4
+  end_location:
+    row: 11
+    column: 26
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 15
+    column: 38
+  end_location:
+    row: 17
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 17
+    column: 4
+  end_location:
+    row: 17
+    column: 19
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 21
+    column: 4
+  end_location:
+    row: 21
+    column: 27
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_module_multiline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_module_multiline.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 6
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 11
+    column: 3
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_module_singleline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_doubles_module_singleline.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 2
+    column: 31
+  fix: ~
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 31
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles.py.snap
@@ -0,0 +1,32 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 3
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 14
+    column: 4
+  end_location:
+    row: 16
+    column: 7
+  fix: ~
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 26
+    column: 8
+  end_location:
+    row: 28
+    column: 11
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_class.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_class.py.snap
@@ -0,0 +1,32 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 2
+    column: 4
+  end_location:
+    row: 2
+    column: 53
+  fix: ~
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 6
+    column: 8
+  end_location:
+    row: 6
+    column: 57
+  fix: ~
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 9
+    column: 28
+  end_location:
+    row: 9
+    column: 52
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_function.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_function.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 2
+    column: 4
+  end_location:
+    row: 2
+    column: 56
+  fix: ~
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 8
+    column: 4
+  end_location:
+    row: 10
+    column: 7
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_module_multiline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_module_multiline.py.snap
@@ -0,0 +1,14 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 3
+    column: 3
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_module_singleline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdouble_docstring_docstring_singles_module_singleline.py.snap
@@ -0,0 +1,14 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: double
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 1
+    column: 49
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesInlineString: single
+  location:
+    row: 1
+    column: 24
+  end_location:
+    row: 1
+    column: 45
+  fix: ~
+- kind:
+    BadQuotesInlineString: single
+  location:
+    row: 2
+    column: 24
+  end_location:
+    row: 2
+    column: 46
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_escaped.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_escaped.py.snap
@@ -0,0 +1,13 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind: AvoidQuoteEscape
+  location:
+    row: 1
+    column: 25
+  end_location:
+    row: 1
+    column: 47
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_multiline_string.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_multiline_string.py.snap
@@ -0,0 +1,14 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: single
+  location:
+    row: 1
+    column: 4
+  end_location:
+    row: 3
+    column: 12
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_noqa.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_noqa.py.snap
@@ -0,0 +1,6 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+[]
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_wrapped.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestsdoubles_doubles_wrapped.py.snap
@@ -0,0 +1,6 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+[]
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles.py.snap
@@ -0,0 +1,32 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 3
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 12
+    column: 4
+  end_location:
+    row: 14
+    column: 7
+  fix: ~
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 24
+    column: 8
+  end_location:
+    row: 26
+    column: 11
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_class.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_class.py.snap
@@ -0,0 +1,32 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 2
+    column: 4
+  end_location:
+    row: 2
+    column: 53
+  fix: ~
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 6
+    column: 8
+  end_location:
+    row: 6
+    column: 57
+  fix: ~
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 9
+    column: 28
+  end_location:
+    row: 9
+    column: 52
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_function.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_function.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 2
+    column: 4
+  end_location:
+    row: 2
+    column: 56
+  fix: ~
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 8
+    column: 4
+  end_location:
+    row: 10
+    column: 7
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_module_multiline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_module_multiline.py.snap
@@ -0,0 +1,14 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 3
+    column: 3
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_module_singleline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_doubles_module_singleline.py.snap
@@ -0,0 +1,14 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesDocstring: single
+  location:
+    row: 1
+    column: 0
+  end_location:
+    row: 1
+    column: 49
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles.py.snap
@@ -0,0 +1,59 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 5
+    column: 0
+  end_location:
+    row: 7
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 11
+    column: 20
+  end_location:
+    row: 13
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 18
+    column: 4
+  end_location:
+    row: 20
+    column: 7
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 23
+    column: 20
+  end_location:
+    row: 24
+    column: 37
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 32
+    column: 8
+  end_location:
+    row: 34
+    column: 11
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 37
+    column: 12
+  end_location:
+    row: 39
+    column: 15
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_class.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_class.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 3
+    column: 4
+  end_location:
+    row: 3
+    column: 27
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 5
+    column: 22
+  end_location:
+    row: 5
+    column: 43
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_function.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_function.py.snap
@@ -0,0 +1,50 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 3
+    column: 4
+  end_location:
+    row: 3
+    column: 26
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 11
+    column: 4
+  end_location:
+    row: 11
+    column: 26
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 15
+    column: 38
+  end_location:
+    row: 17
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 17
+    column: 4
+  end_location:
+    row: 17
+    column: 19
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 21
+    column: 4
+  end_location:
+    row: 21
+    column: 27
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_module_multiline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_module_multiline.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 4
+    column: 0
+  end_location:
+    row: 6
+    column: 3
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 9
+    column: 0
+  end_location:
+    row: 11
+    column: 3
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_module_singleline.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingle_docstring_docstring_singles_module_singleline.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 2
+    column: 0
+  end_location:
+    row: 2
+    column: 31
+  fix: ~
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 6
+    column: 0
+  end_location:
+    row: 6
+    column: 31
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles.py.snap
@@ -0,0 +1,23 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesInlineString: double
+  location:
+    row: 1
+    column: 24
+  end_location:
+    row: 1
+    column: 45
+  fix: ~
+- kind:
+    BadQuotesInlineString: double
+  location:
+    row: 2
+    column: 24
+  end_location:
+    row: 2
+    column: 46
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_escaped.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_escaped.py.snap
@@ -0,0 +1,13 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind: AvoidQuoteEscape
+  location:
+    row: 1
+    column: 25
+  end_location:
+    row: 1
+    column: 47
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_multiline_string.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_multiline_string.py.snap
@@ -0,0 +1,14 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+- kind:
+    BadQuotesMultilineString: double
+  location:
+    row: 1
+    column: 4
+  end_location:
+    row: 3
+    column: 12
+  fix: ~
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_noqa.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_noqa.py.snap
@@ -0,0 +1,6 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+[]
+
--- a/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_wrapped.py.snap
+++ b/src/flake8_quotes/snapshots/ruff__flake8_quotestestssingles_singles_wrapped.py.snap
@@ -0,0 +1,6 @@
+---
+source: src/flake8_quotes/mod.rs
+expression: checks
+---
+[]
+
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -25,6 +25,7 @@ pub mod cli;
 pub mod code_gen;
 mod cst;
 mod docstrings;
+pub mod flake8_annotations;
 mod flake8_bugbear;
 mod flake8_builtins;
 mod flake8_comprehensions;
--- a/src/linter.rs
+++ b/src/linter.rs
@@ -294,6 +294,8 @@ mod tests {
    #[test_case(CheckCode::A003, Path::new("A003.py"); "A003")]
    #[test_case(CheckCode::B002, Path::new("B002.py"); "B002")]
    #[test_case(CheckCode::B003, Path::new("B003.py"); "B003")]
+    #[test_case(CheckCode::B004, Path::new("B004.py"); "B004")]
+    #[test_case(CheckCode::B005, Path::new("B005.py"); "B005")]
    #[test_case(CheckCode::B006, Path::new("B006_B008.py"); "B006")]
    #[test_case(CheckCode::B007, Path::new("B007.py"); "B007")]
    #[test_case(CheckCode::B008, Path::new("B006_B008.py"); "B008")]
@@ -443,6 +445,7 @@ mod tests {
    #[test_case(CheckCode::U009, Path::new("U009_1.py"); "U009_1")]
    #[test_case(CheckCode::U009, Path::new("U009_2.py"); "U009_2")]
    #[test_case(CheckCode::U009, Path::new("U009_3.py"); "U009_3")]
+    #[test_case(CheckCode::U010, Path::new("U010.py"); "U010")]
    #[test_case(CheckCode::W292, Path::new("W292_0.py"); "W292_0")]
    #[test_case(CheckCode::W292, Path::new("W292_1.py"); "W292_1")]
    #[test_case(CheckCode::W292, Path::new("W292_2.py"); "W292_2")]
@@ -450,6 +453,7 @@ mod tests {
    #[test_case(CheckCode::W605, Path::new("W605_1.py"); "W605_1")]
    #[test_case(CheckCode::RUF001, Path::new("RUF001.py"); "RUF001")]
    #[test_case(CheckCode::RUF002, Path::new("RUF002.py"); "RUF002")]
+    #[test_case(CheckCode::RUF003, Path::new("RUF003.py"); "RUF003")]
    fn checks(check_code: CheckCode, path: &Path) -> Result<()> {
        let snapshot = format!("{}_{}", check_code.as_ref(), path.to_string_lossy());
        let mut checks = check_path(
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,4 +1,3 @@
-use std::collections::BTreeMap;
 use std::io::{self, Read};
 use std::path::{Path, PathBuf};
 use std::process::ExitCode;
@@ -8,7 +7,6 @@ use std::time::Instant;
 #[cfg(not(target_family = "wasm"))]
 use ::ruff::cache;
 use ::ruff::checks::{CheckCode, CheckKind};
-use ::ruff::checks_gen::CheckCodePrefix;
 use ::ruff::cli::{collect_per_file_ignores, extract_log_level, warn_on, Cli, Warnable};
 use ::ruff::fs::iter_python_files;
 use ::ruff::linter::{add_noqa_to_path, autoformat_path, lint_path, lint_stdin};
@@ -222,7 +220,9 @@ fn autoformat(files: &[PathBuf], settings: &Settings) -> Result<usize> {
 }

 fn inner_main() -> Result<ExitCode> {
+    // Extract command-line arguments.
    let cli = Cli::parse();
+    let fix = cli.fix();

    let log_level = extract_log_level(&cli);
    set_up_logging(&log_level)?;
@@ -241,7 +241,7 @@ fn inner_main() -> Result<ExitCode> {
        None => debug!("Unable to find pyproject.toml; using default settings..."),
    };

-    // Parse the settings from the pyproject.toml and command-line arguments.
+    // Reconcile configuration from pyproject.toml and command-line arguments.
    let exclude: Vec<FilePattern> = cli
        .exclude
        .iter()
@@ -252,8 +252,6 @@ fn inner_main() -> Result<ExitCode> {
        .iter()
        .map(|path| FilePattern::from_user(path, &project_root))
        .collect();
-    let per_file_ignores: BTreeMap<String, Vec<CheckCodePrefix>> =
-        collect_per_file_ignores(cli.per_file_ignores);

    let mut configuration = Configuration::from_pyproject(&pyproject, &project_root)?;
    if !exclude.is_empty() {
@@ -262,8 +260,9 @@ fn inner_main() -> Result<ExitCode> {
    if !extend_exclude.is_empty() {
        configuration.extend_exclude = extend_exclude;
    }
-    if !per_file_ignores.is_empty() {
-        configuration.per_file_ignores = per_file_ignores;
+    if !cli.per_file_ignores.is_empty() {
+        configuration.per_file_ignores =
+            collect_per_file_ignores(cli.per_file_ignores, &project_root);
    }
    if !cli.select.is_empty() {
        warn_on(
@@ -299,6 +298,9 @@ fn inner_main() -> Result<ExitCode> {
    if let Some(dummy_variable_rgx) = cli.dummy_variable_rgx {
        configuration.dummy_variable_rgx = dummy_variable_rgx;
    }
+    if let Some(fix) = fix {
+        configuration.fix = fix;
+    }

    if cli.show_settings && cli.show_files {
        eprintln!("Error: specify --show-settings or show-files (not both).");
@@ -309,6 +311,8 @@ fn inner_main() -> Result<ExitCode> {
        return Ok(ExitCode::SUCCESS);
    }

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

    if cli.show_files {
@@ -321,7 +325,7 @@ fn inner_main() -> Result<ExitCode> {

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

@@ -384,15 +388,15 @@ fn inner_main() -> Result<ExitCode> {
        let messages = if is_stdin {
            let filename = cli.stdin_filename.unwrap_or_else(|| "-".to_string());
            let path = Path::new(&filename);
-            run_once_stdin(&settings, path, cli.fix)?
+            run_once_stdin(&settings, path, autofix)?
        } else {
-            run_once(&cli.files, &settings, !cli.no_cache, cli.fix)?
+            run_once(&cli.files, &settings, !cli.no_cache, autofix)?
        };

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

--- a/src/pycodestyle/checks.rs
+++ b/src/pycodestyle/checks.rs
@@ -2,7 +2,7 @@ use itertools::izip;
 use rustpython_ast::Location;
 use rustpython_parser::ast::{Cmpop, Constant, Expr, ExprKind, Unaryop};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::checks::{Check, CheckKind, RejectedCmpop};
 use crate::source_code_locator::SourceCodeLocator;

@@ -61,7 +61,6 @@ pub fn not_tests(
    operand: &Expr,
    check_not_in: bool,
    check_not_is: bool,
-    locator: &dyn CheckLocator,
 ) -> Vec<Check> {
    let mut checks: Vec<Check> = vec![];

@@ -73,7 +72,7 @@ pub fn not_tests(
                        if check_not_in {
                            checks.push(Check::new(
                                CheckKind::NotInTest,
-                                locator.locate_check(Range::from_located(operand)),
+                                Range::from_located(operand),
                            ));
                        }
                    }
@@ -81,7 +80,7 @@ pub fn not_tests(
                        if check_not_is {
                            checks.push(Check::new(
                                CheckKind::NotIsTest,
-                                locator.locate_check(Range::from_located(operand)),
+                                Range::from_located(operand),
                            ));
                        }
                    }
@@ -101,7 +100,6 @@ pub fn literal_comparisons(
    comparators: &[Expr],
    check_none_comparisons: bool,
    check_true_false_comparisons: bool,
-    locator: &dyn CheckLocator,
 ) -> Vec<Check> {
    let mut checks: Vec<Check> = vec![];

@@ -121,13 +119,13 @@ pub fn literal_comparisons(
        if matches!(op, Cmpop::Eq) {
            checks.push(Check::new(
                CheckKind::NoneComparison(RejectedCmpop::Eq),
-                locator.locate_check(Range::from_located(comparator)),
+                Range::from_located(comparator),
            ));
        }
        if matches!(op, Cmpop::NotEq) {
            checks.push(Check::new(
                CheckKind::NoneComparison(RejectedCmpop::NotEq),
-                locator.locate_check(Range::from_located(comparator)),
+                Range::from_located(comparator),
            ));
        }
    }
@@ -141,13 +139,13 @@ pub fn literal_comparisons(
            if matches!(op, Cmpop::Eq) {
                checks.push(Check::new(
                    CheckKind::TrueFalseComparison(value, RejectedCmpop::Eq),
-                    locator.locate_check(Range::from_located(comparator)),
+                    Range::from_located(comparator),
                ));
            }
            if matches!(op, Cmpop::NotEq) {
                checks.push(Check::new(
                    CheckKind::TrueFalseComparison(value, RejectedCmpop::NotEq),
-                    locator.locate_check(Range::from_located(comparator)),
+                    Range::from_located(comparator),
                ));
            }
        }
@@ -167,13 +165,13 @@ pub fn literal_comparisons(
            if matches!(op, Cmpop::Eq) {
                checks.push(Check::new(
                    CheckKind::NoneComparison(RejectedCmpop::Eq),
-                    locator.locate_check(Range::from_located(comparator)),
+                    Range::from_located(comparator),
                ));
            }
            if matches!(op, Cmpop::NotEq) {
                checks.push(Check::new(
                    CheckKind::NoneComparison(RejectedCmpop::NotEq),
-                    locator.locate_check(Range::from_located(comparator)),
+                    Range::from_located(comparator),
                ));
            }
        }
@@ -187,13 +185,13 @@ pub fn literal_comparisons(
                if matches!(op, Cmpop::Eq) {
                    checks.push(Check::new(
                        CheckKind::TrueFalseComparison(value, RejectedCmpop::Eq),
-                        locator.locate_check(Range::from_located(comparator)),
+                        Range::from_located(comparator),
                    ));
                }
                if matches!(op, Cmpop::NotEq) {
                    checks.push(Check::new(
                        CheckKind::TrueFalseComparison(value, RejectedCmpop::NotEq),
-                        locator.locate_check(Range::from_located(comparator)),
+                        Range::from_located(comparator),
                    ));
                }
            }
--- a/src/pydocstyle/plugins.rs
+++ b/src/pydocstyle/plugins.rs
@@ -13,7 +13,7 @@ use crate::docstrings::definition::{Definition, DefinitionKind};
 use crate::docstrings::helpers;
 use crate::docstrings::sections::{section_contexts, SectionContext};
 use crate::docstrings::styles::SectionStyle;
-use crate::visibility::{is_init, is_magic, is_overload, is_static, Visibility};
+use crate::visibility::{is_init, is_magic, is_overload, is_staticmethod, Visibility};

 /// D100, D101, D102, D103, D104, D105, D106, D107
 pub fn not_missing(
@@ -1308,7 +1308,8 @@ fn missing_args(checker: &mut Checker, definition: &Definition, docstrings_args:
                .skip(
                    // If this is a non-static method, skip `cls` or `self`.
                    usize::from(
-                        matches!(definition.kind, DefinitionKind::Method(_)) && !is_static(parent),
+                        matches!(definition.kind, DefinitionKind::Method(_))
+                            && !is_staticmethod(parent),
                    ),
                )
                .collect();
--- a/src/pyflakes/checks.rs
+++ b/src/pyflakes/checks.rs
@@ -5,7 +5,7 @@ use rustpython_parser::ast::{
    Arg, Arguments, Constant, Excepthandler, ExcepthandlerKind, Expr, ExprKind, Stmt, StmtKind,
 };

-use crate::ast::types::{BindingKind, CheckLocator, FunctionScope, Range, Scope, ScopeKind};
+use crate::ast::types::{BindingKind, FunctionScope, Range, Scope, ScopeKind};
 use crate::checks::{Check, CheckKind};

 /// F631
@@ -28,12 +28,30 @@ pub fn if_tuple(test: &Expr, location: Range) -> Option<Check> {
    None
 }

+/// F821
+pub fn undefined_local(scopes: &[&Scope], name: &str) -> Option<Check> {
+    let current = &scopes.last().expect("No current scope found.");
+    if matches!(current.kind, ScopeKind::Function(_)) && !current.values.contains_key(name) {
+        for scope in scopes.iter().rev().skip(1) {
+            if matches!(scope.kind, ScopeKind::Function(_) | ScopeKind::Module) {
+                if let Some(binding) = scope.values.get(name) {
+                    if let Some((scope_id, location)) = binding.used {
+                        if scope_id == current.id {
+                            return Some(Check::new(
+                                CheckKind::UndefinedLocal(name.to_string()),
+                                location,
+                            ));
+                        }
+                    }
+                }
+            }
+        }
+    }
+    None
+}
+
 /// F841
-pub fn unused_variables(
-    scope: &Scope,
-    locator: &dyn CheckLocator,
-    dummy_variable_rgx: &Regex,
-) -> Vec<Check> {
+pub fn unused_variables(scope: &Scope, dummy_variable_rgx: &Regex) -> Vec<Check> {
    let mut checks: Vec<Check> = vec![];

    if matches!(
@@ -53,7 +71,7 @@ pub fn unused_variables(
        {
            checks.push(Check::new(
                CheckKind::UnusedVariable(name.to_string()),
-                locator.locate_check(binding.range),
+                binding.range,
            ));
        }
    }
@@ -129,7 +147,6 @@ pub fn repeated_keys(
    keys: &[Expr],
    check_repeated_literals: bool,
    check_repeated_variables: bool,
-    locator: &dyn CheckLocator,
 ) -> Vec<Check> {
    let mut checks: Vec<Check> = vec![];

@@ -144,7 +161,7 @@ pub fn repeated_keys(
                    if check_repeated_literals && v1 == v2 {
                        checks.push(Check::new(
                            CheckKind::MultiValueRepeatedKeyLiteral,
-                            locator.locate_check(Range::from_located(k2)),
+                            Range::from_located(k2),
                        ))
                    }
                }
@@ -152,7 +169,7 @@ pub fn repeated_keys(
                    if check_repeated_variables && v1 == v2 {
                        checks.push(Check::new(
                            CheckKind::MultiValueRepeatedKeyVariable((*v2).to_string()),
-                            locator.locate_check(Range::from_located(k2)),
+                            Range::from_located(k2),
                        ))
                    }
                }
@@ -195,12 +212,7 @@ pub fn starred_expressions(
 }

 /// F701
-pub fn break_outside_loop(
-    stmt: &Stmt,
-    parents: &[&Stmt],
-    parent_stack: &[usize],
-    locator: &dyn CheckLocator,
-) -> Option<Check> {
+pub fn break_outside_loop(stmt: &Stmt, parents: &[&Stmt], parent_stack: &[usize]) -> Option<Check> {
    let mut allowed: bool = false;
    let mut parent = stmt;
    for index in parent_stack.iter().rev() {
@@ -228,7 +240,7 @@ pub fn break_outside_loop(
    if !allowed {
        Some(Check::new(
            CheckKind::BreakOutsideLoop,
-            locator.locate_check(Range::from_located(stmt)),
+            Range::from_located(stmt),
        ))
    } else {
        None
@@ -240,7 +252,6 @@ pub fn continue_outside_loop(
    stmt: &Stmt,
    parents: &[&Stmt],
    parent_stack: &[usize],
-    locator: &dyn CheckLocator,
 ) -> Option<Check> {
    let mut allowed: bool = false;
    let mut parent = stmt;
@@ -269,7 +280,7 @@ pub fn continue_outside_loop(
    if !allowed {
        Some(Check::new(
            CheckKind::ContinueOutsideLoop,
-            locator.locate_check(Range::from_located(stmt)),
+            Range::from_located(stmt),
        ))
    } else {
        None
--- a/src/pyflakes/plugins/assert_tuple.rs
+++ b/src/pyflakes/plugins/assert_tuple.rs
@@ -1,13 +1,12 @@
 use rustpython_ast::{Expr, Stmt};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::pyflakes::checks;

 /// F631
 pub fn assert_tuple(checker: &mut Checker, stmt: &Stmt, test: &Expr) {
-    if let Some(check) = checks::assert_tuple(test, checker.locate_check(Range::from_located(stmt)))
-    {
+    if let Some(check) = checks::assert_tuple(test, Range::from_located(stmt)) {
        checker.add_check(check);
    }
 }
--- a/src/pyflakes/plugins/if_tuple.rs
+++ b/src/pyflakes/plugins/if_tuple.rs
@@ -1,12 +1,12 @@
 use rustpython_ast::{Expr, Stmt};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::check_ast::Checker;
 use crate::pyflakes::checks;

 /// F634
 pub fn if_tuple(checker: &mut Checker, stmt: &Stmt, test: &Expr) {
-    if let Some(check) = checks::if_tuple(test, checker.locate_check(Range::from_located(stmt))) {
+    if let Some(check) = checks::if_tuple(test, Range::from_located(stmt)) {
        checker.add_check(check);
    }
 }
--- a/src/pyflakes/plugins/raise_not_implemented.rs
+++ b/src/pyflakes/plugins/raise_not_implemented.rs
@@ -1,6 +1,6 @@
 use rustpython_ast::{Expr, ExprKind};

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::{Check, CheckKind};
@@ -27,10 +27,7 @@ fn match_not_implemented(expr: &Expr) -> Option<&Expr> {
 /// F901
 pub fn raise_not_implemented(checker: &mut Checker, expr: &Expr) {
    if let Some(expr) = match_not_implemented(expr) {
-        let mut check = Check::new(
-            CheckKind::RaiseNotImplemented,
-            checker.locate_check(Range::from_located(expr)),
-        );
+        let mut check = Check::new(CheckKind::RaiseNotImplemented, Range::from_located(expr));
        if checker.patch() {
            check.amend(Fix::replacement(
                "NotImplementedError".to_string(),
--- a/src/python/typing.rs
+++ b/src/python/typing.rs
@@ -175,7 +175,6 @@ static IMPORTED_SUBSCRIPTS: Lazy<BTreeMap<&'static str, BTreeSet<&'static str>>>
            ("Counter", "typing_extensions"),
            ("DefaultDict", "typing_extensions"),
            ("Deque", "typing_extensions"),
-            ("Literal", "typing_extensions"),
            ("Type", "typing_extensions"),
            // `weakref`
            ("WeakKeyDictionary", "weakref"),
--- a/src/pyupgrade/checks.rs
+++ b/src/pyupgrade/checks.rs
@@ -4,6 +4,30 @@ use crate::ast::helpers;
 use crate::ast::types::{Binding, BindingKind, Range, Scope, ScopeKind};
 use crate::checks::{Check, CheckKind};
 use crate::pyupgrade::types::Primitive;
+use crate::settings::types::PythonVersion;
+
+pub const PY33_PLUS_REMOVE_FUTURES: &[&str] = &[
+    "nested_scopes",
+    "generators",
+    "with_statement",
+    "division",
+    "absolute_import",
+    "with_statement",
+    "print_function",
+    "unicode_literals",
+];
+
+pub const PY37_PLUS_REMOVE_FUTURES: &[&str] = &[
+    "nested_scopes",
+    "generators",
+    "with_statement",
+    "division",
+    "absolute_import",
+    "with_statement",
+    "print_function",
+    "unicode_literals",
+    "generator_stop",
+];

 /// U008
 pub fn super_args(
@@ -155,3 +179,20 @@ pub fn type_of_primitive(func: &Expr, args: &[Expr], location: Range) -> Option<

    None
 }
+
+/// U010
+pub fn unnecessary_future_import(
+    version: PythonVersion,
+    name: &str,
+    location: Range,
+) -> Option<Check> {
+    if (version >= PythonVersion::Py33 && PY33_PLUS_REMOVE_FUTURES.contains(&name))
+        || (version >= PythonVersion::Py37 && PY37_PLUS_REMOVE_FUTURES.contains(&name))
+    {
+        return Some(Check::new(
+            CheckKind::UnnecessaryFutureImport(name.to_string()),
+            location,
+        ));
+    }
+    None
+}
--- a/src/pyupgrade/plugins/mod.rs
+++ b/src/pyupgrade/plugins/mod.rs
@@ -2,6 +2,7 @@ pub use deprecated_unittest_alias::deprecated_unittest_alias;
 pub use super_call_with_parameters::super_call_with_parameters;
 pub use type_of_primitive::type_of_primitive;
 pub use unnecessary_abspath::unnecessary_abspath;
+pub use unnecessary_future_import::unnecessary_future_import;
 pub use use_pep585_annotation::use_pep585_annotation;
 pub use use_pep604_annotation::use_pep604_annotation;
 pub use useless_metaclass_type::useless_metaclass_type;
@@ -11,6 +12,7 @@ mod deprecated_unittest_alias;
 mod super_call_with_parameters;
 mod type_of_primitive;
 mod unnecessary_abspath;
+mod unnecessary_future_import;
 mod use_pep585_annotation;
 mod use_pep604_annotation;
 mod useless_metaclass_type;
--- a/src/pyupgrade/plugins/type_of_primitive.rs
+++ b/src/pyupgrade/plugins/type_of_primitive.rs
@@ -1,15 +1,13 @@
 use rustpython_ast::Expr;

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::checks::CheckKind;
 use crate::pyupgrade::checks;

 pub fn type_of_primitive(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
-    if let Some(mut check) =
-        checks::type_of_primitive(func, args, checker.locate_check(Range::from_located(expr)))
-    {
+    if let Some(mut check) = checks::type_of_primitive(func, args, Range::from_located(expr)) {
        if checker.patch() {
            if let CheckKind::TypeOfPrimitive(primitive) = &check.kind {
                check.amend(Fix::replacement(
--- a/src/pyupgrade/plugins/unnecessary_abspath.rs
+++ b/src/pyupgrade/plugins/unnecessary_abspath.rs
@@ -1,14 +1,12 @@
 use rustpython_ast::Expr;

-use crate::ast::types::{CheckLocator, Range};
+use crate::ast::types::Range;
 use crate::autofix::Fix;
 use crate::check_ast::Checker;
 use crate::pyupgrade::checks;

 pub fn unnecessary_abspath(checker: &mut Checker, expr: &Expr, func: &Expr, args: &[Expr]) {
-    if let Some(mut check) =
-        checks::unnecessary_abspath(func, args, checker.locate_check(Range::from_located(expr)))
-    {
+    if let Some(mut check) = checks::unnecessary_abspath(func, args, Range::from_located(expr)) {
        if checker.patch() {
            check.amend(Fix::replacement(
                "__file__".to_string(),
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Charlie Marsh	f572acab30	Bump version to 0.0.108	2022-11-08 13:20:35 -05:00
Charlie Marsh	1eb5f3ea75	Support allow_star_arg_any in flake8-to-ruff	2022-11-08 09:51:11 -05:00
Edgar R. M	24aa177912	Implement ANN401 (#657 )	2022-11-08 09:49:44 -05:00
Reiner Gerecke	2ddc768412	Implement fix for C404 (#656 )	2022-11-08 09:37:17 -05:00
Chammika Mannakkara	0f9508f549	Remove unnecessary __future__ imports (#634 )	2022-11-07 22:26:57 -05:00
Charlie Marsh	7c3d387abd	Implement confusing unicode character detection for comments (#653 )	2022-11-07 21:16:34 -05:00
Charlie Marsh	d600650214	Upgrade RustPython (#652 )	2022-11-07 21:07:49 -05:00
Charlie Marsh	43383bb696	Bump version to 0.0.107	2022-11-07 16:39:03 -05:00
Charlie Marsh	ff83f356af	Fix failing flake8-to-ruff tests	2022-11-07 16:38:46 -05:00
Anders Kaseorg	89622425d4	Run annotations plugin if ANN204, ANN205, ANN206 are selected (#649 )	2022-11-07 16:37:49 -05:00
Charlie Marsh	1aafe31c00	Avoid U009 violations when disabled (#650 )	2022-11-07 16:36:39 -05:00
Charlie Marsh	16c5ac1e91	Bump version to 0.0.106	2022-11-07 15:32:54 -05:00
Charlie Marsh	da39cddccb	Include function and argument names in ANN checks (#648 )	2022-11-07 15:27:03 -05:00
Charlie Marsh	de6435f41d	Add a flake8-to-ruff mention (#644 )	2022-11-07 10:59:47 -05:00
Charlie Marsh	589ae48f8c	Update --help	2022-11-07 10:41:04 -05:00
Harutaka Kawamura	35cc3094b5	Implement B005 (#643 )	2022-11-07 10:10:59 -05:00
Charlie Marsh	07c9fc55f6	Add fix option to `pyproject.toml` (#639 )	2022-11-07 09:46:21 -05:00
Harutaka Kawamura	7773e9728b	Implement B004 (#638 )	2022-11-07 09:25:09 -05:00
Charlie Marsh	8fc435bad9	Fix --ignore for ANN101 and ANN102 (#637 )	2022-11-07 09:03:09 -05:00
Charlie Marsh	dd20b23576	Infer plugins based on per-file-ignores, ignores, etc. (#632 )	2022-11-06 22:39:06 -05:00
Charlie Marsh	da8ee1df3e	Add TODO in flake8_annotations	2022-11-06 21:24:46 -05:00
Charlie Marsh	7f77ed0f86	Bump version to 0.0.105	2022-11-06 21:17:00 -05:00
Charlie Marsh	1b33cfb9cb	Respect project root in per-file ignores (#631 )	2022-11-06 21:15:49 -05:00
Charlie Marsh	dbc64f1faa	Remove erroneous Literal entry from subscript list (#630 )	2022-11-06 21:03:41 -05:00
Charlie Marsh	f4b5f0d259	Remove foo.py	2022-11-06 21:03:23 -05:00
Charlie Marsh	85b882fc54	Remove CheckLocator abstraction (#627 )	2022-11-06 17:42:10 -05:00
Charlie Marsh	99d9aa61bf	Implement flake8-annotations (#625 )	2022-11-06 17:25:49 -05:00