Commit Graph

7211 Commits

Author SHA1 Message Date
Alex Waygood e44c489273
[ty] Fix false positives when subscripting an object inferred as having an `Intersection` type (#18920) 2025-06-24 18:39:02 +00:00
chiri 3220242dec
[`flake8-use-pathlib`] Add autofix for `PTH202` (#18763)
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## Summary
/closes #2331
<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan
update snapshots
<!-- How was it tested? -->

---------

Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
2025-06-24 17:58:31 +00:00
Andrew Gallant 6abafcb565 [ty] Add relative import completion tests
This tests things like `from ...foo import <CURSOR>`.

I had previously tested this on an ad hoc basis inside
of my editor, so the token state machine already recognizes
this pattern.

Ref https://github.com/astral-sh/ruff/pull/18830#discussion_r2159670033
2025-06-24 11:41:16 -04:00
Andrew Gallant cef1a522dc [ty] Clarify what "cursor" means
This commit does a small refactor to combine the file and
cursor offset into a single type. I think this makes it
clearer that even if there are multiple files in the cursor
test, this one in particular corresponds to the file that
contains the `<CURSOR>` marker.
2025-06-24 11:41:16 -04:00
Andrew Gallant 40731f0589 [ty] Add a cursor test builder
This doesn't change any functionality of the cursor tests, but does
re-arrange the code a bit. Firstly, it's now in a builder. And secondly,
there's an API to add multiple files to the test (but exactly one must
have a `<CURSOR>` marker).
2025-06-24 11:41:16 -04:00
Andrew Gallant 1461137407
[ty] Enforce sort order of completions (#18917)
We achieve this by setting the "sort text" field of every completion.
Since we are trying to be smart about the order, we want the client to
respect our order.

Prior to this change, VS Code was re-sorting completions in
lexicographic order. This in turn resulted in dunder attributes
appearing before "normal" attributes.
2025-06-24 11:31:08 -04:00
K 47653ca88a
[formatter] Fix missing blank lines before decorated classes in .pyi files (#18888)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-24 16:25:44 +02:00
Brent Westbrook 02ae8e1210
Apply fix availability and applicability when adding to `DiagnosticGuard` and remove `NoqaCode::rule` (#18834)
## Summary

This PR removes the last two places we were using `NoqaCode::rule` in
`linter.rs` (see
https://github.com/astral-sh/ruff/pull/18391#discussion_r2154637329 and
https://github.com/astral-sh/ruff/pull/18391#discussion_r2154649726) by
checking whether fixes are actually desired before adding them to a
`DiagnosticGuard`. I implemented this by storing a `Violation`'s `Rule`
on the `DiagnosticGuard` so that we could check if it was enabled in the
embedded `LinterSettings` when trying to set a fix.

All of the corresponding `set_fix` methods on `OldDiagnostic` were now
unused (except in tests where I just set `.fix` directly), so I moved
these to the guard instead of keeping both sets.

The very last place where we were using `NoqaCode::rule` was in the
cache. I just reverted this to parsing the `Rule` from the name. I had
forgotten to update the comment there anyway. Hopefully this doesn't
cause too much of a perf hit.

In terms of binary size, we're back down almost to where `main` was two
days ago
(https://github.com/astral-sh/ruff/pull/18391#discussion_r2155034320):

```
41,559,344 bytes for main 2 days ago
41,669,840 bytes for #18391
41,653,760 bytes for main now (after #18391 merged)
41,602,224 bytes for this branch
```

Only 43 kb up, but that shouldn't all be me this time :)

## Test Plan

Existing tests and benchmarks on this PR
2025-06-24 10:08:36 -04:00
Micha Reiser 833be2e66a
[ty] Change `environment.root` to accept multiple paths (#18913) 2025-06-24 14:52:36 +02:00
Micha Reiser 0194452928
[ty] Rename `src.root` setting to `environment.root` (#18760)
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
2025-06-24 14:40:44 +02:00
Dhruv Manilawala 2c4c015f74
Use file path for detecting package root (#18914)
Ref: https://github.com/astral-sh/ruff/pull/18910#discussion_r2163847956
2025-06-24 12:32:41 +00:00
Dhruv Manilawala 66fc7c8fc0
Consider virtual path for various server actions (#18910)
## Summary

Ref:
https://github.com/astral-sh/ruff/issues/14820#issuecomment-2996690681

This PR fixes a bug where virtual paths or any paths that doesn't exists
on the file system weren't being considered for checking inclusion /
exclusion. This was because the logic used `file_path` which returns
`None` for those path. This PR fixes that by using the
`virtual_file_path` method that returns a `Path` corresponding to the
actual file on disk or any kind of virtual path.

This should ideally just fix the above linked issue by way of excluding
the documents representing the interactive window because they aren't in
the inclusion set. It failed only on Windows previously because the file
path construction would fail and then Ruff would default to including
all the files.

## Test Plan

On my machine, the `.interactive` paths are always excluded so I'm using
the inclusion set instead:

```json
{
  "ruff.nativeServer": "on",
  "ruff.path": ["/Users/dhruv/work/astral/ruff/target/debug/ruff"],
  "ruff.configuration": {
    "extend-include": ["*.interactive"]
  }
}
```

The diagnostics are shown for both the file paths and the interactive
window:

<img width="1727" alt="Screenshot 2025-06-24 at 14 56 40"
src="https://github.com/user-attachments/assets/d36af96a-777e-4367-8acf-4d9c9014d025"
/>

And, the logs:

```
2025-06-24 14:56:26.478275000 DEBUG notification{method="notebookDocument/didChange"}: Included path via `extend-include`: /Interactive-1.interactive
```

And, when using `ruff.exclude` via:

```json
{
	"ruff.exclude": ["*.interactive"]
}
```

With logs:

```
2025-06-24 14:58:41.117743000 DEBUG notification{method="notebookDocument/didChange"}: Ignored path via `exclude`: /Interactive-1.interactive
```
2025-06-24 12:24:28 +00:00
Alex Waygood 237a5821ba
[ty] Introduce `UnionType::try_from_elements` and `UnionType::try_map` (#18911) 2025-06-24 12:09:02 +00:00
Alex Waygood 27eee5a1a8
[ty] Support narrowing on `isinstance()`/`issubclass()` if the second argument is a dynamic, intersection, union or typevar type (#18900) 2025-06-24 10:55:26 +00:00
med1844 fd2cc37f90
[ty] Add decorator check for implicit attribute assignments (#18587)
## Summary

Previously, the checks for implicit attribute assignments didn't
properly account for method decorators. This PR fixes that by:

- Adding a decorator check in `implicit_instance_attribute`. This allows
it to filter out methods with mismatching decorators when analyzing
attribute assignments.
- Adding attribute search for implicit class attributes: if an attribute
can't be found directly in the class body, the
`ClassLiteral::own_class_member` function will now search in
classmethods.
- Adding `staticmethod`: it has been added into `KnownClass` and
together with the new decorator check, it will no longer expose
attributes when the assignment target name is the same as the first
method name.

If accepted, it should fix https://github.com/astral-sh/ty/issues/205
and https://github.com/astral-sh/ty/issues/207.

## Test Plan

This is tested with existing mdtest suites and is able to get most of
the TODO marks for implicit assignments in classmethods and
staticmethods removed.

However, there's one specific test case I failed to figure out how to
correctly resolve:


b279508bdc/crates/ty_python_semantic/resources/mdtest/attributes.md?plain=1#L754-L755

I tried to add `instance_member().is_unbound()` check in this [else
branch](b279508bdc/crates/ty_python_semantic/src/types/infer.rs (L3299-L3301))
but it causes tests with class attributes defined in class body to fail.
While it's possible to implicitly add `ClassVar` to qualifiers to make
this assignment fail and keep everything else passing, it doesn't feel
like the right solution.
2025-06-24 11:42:10 +02:00
Victor Hugo Gomes ca7933804e
[`ruff`] Trigger `RUF037` for empty string and byte strings (#18862) 2025-06-24 08:26:28 +02:00
Dhruv Manilawala e474f36473
[ty] Avoid duplicate diagnostic in unpacking (#18897)
## Summary

This PR fixes astral-sh/ty#185 by avoiding to infer the value expression
for an unpacking.

This is done simply by only inferring the value expression in a
non-unpacking branch for assignment statement, for statement, with
statement and comprehensions.

This is a simpler alternative to
https://github.com/astral-sh/ruff/pull/18890 which I only realized in
hindsight! Ideally, the solution would to consider the "unpack" as it's
own region and do all of the inference of every expressions involved in
an unpacking inside the unpack query and then merge the results in the
outer query. This would require access to the `Unpack` ingredient which
is stored on the `Definition`. And, this would require create the said
`Definition`s for all attributes and subscript expressions. It does
simplify the target inference logic by streamlining it into a single
`infer_target` method instead of the `infer_target`/`infer_target_impl`
split.

Additionally, #18890 also solves a couple of TODOs around raising errors
around attribute / subscript assignment.

## Test Plan

Update the existing test, go through a couple of ecosystem diagnostic.
2025-06-24 07:49:44 +05:30
Igor Drokin da16e00751
[`pyupgrade`] Extend version detection to include `sys.version_info.major` (`UP036`) (#18633)
## Summary

Resolves #18165 

Added pattern `["sys", "version_info", "major"]` to the existing matches
for `sys.version_info` to ensure consistent handling of both the base
object and its major version attribute.

## Test Plan
`cargo nextest run` and `cargo insta test`

---------

Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
2025-06-23 20:01:55 +00:00
Илья Любавский 885dc9091f
[`ruff`] Frozen Dataclass default should be valid (`RUF009`) (#18735)
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## Summary
/closes #17424
<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan

<!-- How was it tested? -->
2025-06-23 19:10:12 +00:00
Andrew Gallant d01e0faee3
[ty] Include imported sub-modules as attributes on modules for completions (#18898)
This also adds a new `ModuleName::relative_to` public API to help with
this.

Kudos to @AlexWaygood for the meat of this patch!

Ref https://github.com/astral-sh/ruff/pull/18830#discussion_r2161770991
2025-06-23 12:48:16 -04:00
Suneet Tipirneni ef8281b695
[ty] add support for mapped union and intersection subscript loads (#18846)
## Summary

Note this modifies the diagnostics a bit. Previously performing
subscript access on something like `NotSubscriptable1 |
NotSubscriptable2` would report the full type as not being
subscriptable:

```
[non-subscriptable] "Cannot subscript object of type `NotSubscriptable1 | NotSubscriptable2` with no `__getitem__` method"
```

Now each erroneous constituent has a separate error:

```
[non-subscriptable] "Cannot subscript object of type `NotSubscriptable2` with no `__getitem__` method"
[non-subscriptable] "Cannot subscript object of type `NotSubscriptable1` with no `__getitem__` method"
```

Closes https://github.com/astral-sh/ty/issues/625

## Test Plan

 mdtest

---------

Co-authored-by: Carl Meyer <carl@astral.sh>
2025-06-23 16:38:01 +00:00
Andrew Gallant a77db3da3f
[ty] Add completions for `from module import <CURSOR>` (#18830)
There were two main challenges in this PR.

The first was mostly just figuring out how to get the symbols
corresponding to `module`. It turns out that we do this in a couple
of places in ty already, but through different means. In one approach,
we use [`exported_names`]. In another approach, we get a `Type`
corresponding to the module. We take the latter approach here, which is
consistent with how we do completions elsewhere. (I looked into
factoring this logic out into its own function, but it ended up being
pretty constrained. e.g., There's only one other place where we want to
go from `ast::StmtImportFrom` to a module `Type`, and that code also
wants the module name.)

The second challenge was recognizing the `from module import <CURSOR>`
pattern in the code. I initially started with some fixed token patterns
to get a proof of concept working. But I ended up switching to mini
state machine over tokens. I looked at the parser for `StmtImportFrom`
to determine what kinds of tokens we can expect.

[`exported_names`]:
23a3b6ef23/crates/ty_python_semantic/src/semantic_index/re_exports.rs (L47)
2025-06-23 10:43:25 -04:00
Victor Hugo Gomes 9e9c4fe17b
[`flake8-simplify`] Fix `SIM911` autofix creating a syntax error (#18793)
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## Summary
The fix would create a syntax error if there wasn't a space between the
`in` keyword and the following expression.
For example:
```python
for country, stars in(zip)(flag_stars.keys(), flag_stars.values()):...
```

I also noticed that the tests for `SIM911` were note being run, so I
fixed that.

Fixes #18776

<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan

Add regression test
<!-- How was it tested? -->
2025-06-23 16:24:47 +02:00
Victor Hugo Gomes f4c6ff3f68
[`pylint`] Fix `PLC2801` autofix creating a syntax error (#18857)
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## Summary
This PR fixes `PLC2801` autofix creating a syntax error due to lack of
padding if it is directly after a keyword.

Fixes https://github.com/astral-sh/ruff/issues/18813
<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan
Add regression test
<!-- How was it tested? -->
2025-06-23 10:15:53 -04:00
Vasco Schiavo ca8ed35275
[`flake8-simplify`] Preserve original behavior for `except ()` and bare `except` (`SIM105`) (#18213)
The PR addresses issue #18209.
2025-06-23 10:01:57 -04:00
GiGaGon 315fb0f3da
[`flake8-logging`] Add fix safety section to `LOG002` (#18840)
## Summary

Part of #15584

This adds a `Fix safety` section to [invalid-get-logger-argument
(LOG002)](https://docs.astral.sh/ruff/rules/invalid-get-logger-argument/#invalid-get-logger-argument-log002).

The fix/lint was introduced in #7399
No reasoning is given on the unsafety in the PR/code
Unsafe fix demonstration:
[playground](https://play.ruff.rs/e8008cbf-2ef5-4d38-8255-324f90e624cb)
```py
import logging
logger = logging.getLogger(__file__)
```

---------

Co-authored-by: Dylan <dylwil3@gmail.com>
2025-06-23 13:23:01 +00:00
GiGaGon bbc26b2f11
[`pyupgrade`] Add fix safety section to `UP004` (#18853)
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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

Part of #15584

This adds a `Fix safety` section to [useless-object-inheritance
(UP004)](https://docs.astral.sh/ruff/rules/useless-object-inheritance/#useless-object-inheritance-up004)

I could not track down the original PR as this rule is so old it has
gone through several large ruff refactors.
No reasoning is given on the unsafety in the PR/code.
The unsafety is determined here:

f24e650dfd/crates/ruff_linter/src/rules/pyupgrade/rules/useless_class_metaclass_type.rs (L76-L80)

Unsafe fix demonstration:
[playground](https://play.ruff.rs/12b24eb4-d7a5-4ae0-93bb-492d64967ae3)
```py
class A(  # will be deleted
    object
):
    ...
```

## Test Plan

<!-- How was it tested? -->

N/A, no tests/functionality affected
2025-06-23 08:22:36 -05:00
GiGaGon ec07a0f885
[`flake8-use-pathlib`] Add fix safety section to `PTH201` (#18837)
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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

Part of #15584

This adds a `Fix safety` section to [path-constructor-current-directory
(PTH201)](https://docs.astral.sh/ruff/rules/path-constructor-current-directory/#path-constructor-current-directory-pth201)

I could not track down the original PR as this rule is so old it has
gone through several large ruff refactors.
The unsafety is determined here:

d9266284df/crates/ruff_linter/src/rules/flake8_use_pathlib/rules/path_constructor_current_directory.rs (L55-L59)
Unsafe code example:
[playground](https://play.ruff.rs/76da532a-c7ad-4ef9-bba3-4626296e5317)
```py
from pathlib import Path
Path(#
    "."#
)
```

## Test Plan

<!-- How was it tested? -->

N/A, no tests/functionality affected
2025-06-23 08:22:00 -05:00
GiGaGon 861dff1dd8
[`refurb`] Add fix safety section to `FURB122` (#18842)
## Summary

Part of #15584

This adds a `Fix safety` section to [for-loop-writes
(FURB122)](https://docs.astral.sh/ruff/rules/for-loop-writes/#for-loop-writes-furb122).

The fix/lint was introduced in #10630
No reasoning is given on the unsafety in the PR/code.
The unsafety is determined here:

ea812d0813/crates/ruff_linter/src/rules/refurb/rules/for_loop_writes.rs (L200-L204)
Unsafe fix demonstration:
[playground](https://play.ruff.rs/06592f33-10b9-4a77-b31e-0d3a98f402f4)
```py
with open("issue.txt", "w") as f:
    for i in range(10):
        # will be deleted
        f.write(str(i))
```

---------

Co-authored-by: Dylan <dylwil3@gmail.com>
2025-06-23 13:21:37 +00:00
GiGaGon 8be205df99
[`pyupgrade`] Add fix safety section to `UP010` (#18838)
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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

Part of #15584

This adds a `Fix safety` section to [unnecessary-future-import
(UP010)](https://docs.astral.sh/ruff/rules/unnecessary-future-import/#unnecessary-future-import-up010)

The unsafety is determined here:

d9266284df/crates/ruff_linter/src/rules/pyupgrade/rules/unnecessary_future_import.rs (L128-L132)

Unsafe code example:
[playground](https://play.ruff.rs/c07d8c41-9ab8-4b86-805b-8cf482d450d9)
```py
from __future__ import (print_function,# ...
__annotations__)  # ...
```

Edit: It looks like there was already a PR for this, #17490, but I
missed it since they said `UP029` instead of `UP010` :/

## Test Plan

<!-- How was it tested? -->

N/A, no tests/functionality affected
2025-06-23 08:20:55 -05:00
GiGaGon 34fd44eb55
[`flake8-logging`] Add fix safety section to `LOG001` (#18841)
Part of #15584

This adds a `Fix safety` section to [direct-logger-instantiation
(LOG001)](https://docs.astral.sh/ruff/rules/direct-logger-instantiation/#direct-logger-instantiation-log001).

The fix/lint was introduced in #7397
No reasoning is given on the unsafety in the PR/code
Unsafe fix demonstration:
[playground](https://play.ruff.rs/72e7277e-a9db-4cd9-9afb-2c56ef2db361)
```py
import logging
logger = logging.Logger(__name__)
```

## Test Plan

<!-- How was it tested? -->

N/A, no tests/functionality affected

---------

Co-authored-by: Dylan <dylwil3@gmail.com>
2025-06-23 13:19:23 +00:00
Micha Reiser b64307f65e
fix casing of `analyze.direction` variant names (#18892)
## Summary

Fixes `analyze.direction` to use kebab-case for the variant names. 

Fixes https://github.com/astral-sh/ruff/issues/18887

## Test Plan

Created a `ruff.toml` and tested that both `dependents` and `Dependents`
were accepted
2025-06-23 14:30:30 +02:00
Victor Hugo Gomes 291413b126
[`perflint`] Fix `PERF101` autofix creating a syntax error and mark autofix as unsafe if there are comments in the `list` call expr (#18803)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-23 11:51:46 +00:00
Dan Parizher 7ec7853cec
[`flake8-pytest-style`] PT001/PT023 fix makes syntax error on parenthesized decorator (#18782)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-23 13:46:15 +02:00
David Peter 907c291877
[ty] Update mypy_primer, add two new projects (#18891)
## Summary

Pull in latest changes to mypy_primer:
01a7ca325f..e5f5544796
2025-06-23 13:08:11 +02:00
David Peter 21303d1a02
[ty] Minor change to builtins.md test (#18889)
## Summary

As far as I can tell, the two existing tests did the exact same thing.
Remove the redundant test, and add tests for all combinations of
declared/not-declared and local/"public" use of the name.

Proposing this as a separate PR before the behavior might change via
https://github.com/astral-sh/ruff/pull/18750
2025-06-23 12:32:50 +02:00
Victor Hugo Gomes 528ae8083b
Remove redundant `settings` field from `Checker` (#18845)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-23 11:06:44 +02:00
Victor Hugo Gomes 0ce022e64e
[`refurb`] Fix `FURB163` autofix creating a syntax error for `yield` expressions (#18756) 2025-06-23 10:13:03 +02:00
Victor Hugo Gomes 659ecba477
[`pylint`] Supress `PLE2510`/`2512`/`2513`/`2514`/`2515` autofix if the text contains an odd number of backslashes (#18856)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-23 10:11:51 +02:00
Charlie Marsh 9570d39f9b
Remove extra dot in rule documentation (#18871) 2025-06-23 00:33:21 +00:00
Victor Hugo Gomes 06a78d0bd0
[`pylint`] Fix `PLC1802` autofix creating a syntax error and mark autofix as unsafe if there's comments in the `len` call (#18836)
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## Summary
I've also found another bug while fixing this, where the diagnostic
would not trigger if the `len` call argument variable was shadowed. This
fixed a few false negatives in the test cases.
Example:
```python
fruits = []
fruits = []
if len(fruits):  # comment
    ...
```

Fixes #18811
Fixes #18812
<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan
Add regression test
<!-- How was it tested? -->

---------

Co-authored-by: Charlie Marsh <crmarsh416@gmail.com>
2025-06-23 00:32:57 +00:00
Charlie Marsh cfec89e8c3
Clarify PEP 8 relationship to whitespace-around-operator rules (#18870)
## Summary

See: https://github.com/astral-sh/ruff/issues/18868.
2025-06-22 20:30:34 -04:00
Victor Hugo Gomes 9089493263
[`refurb`] Mark `FURB129` autofix as unsafe if there's comments in the `readlines` call (#18858) 2025-06-22 08:51:37 +01:00
Carl Meyer 089f5152f6
[ty] Fix mixed tuple subtyping (#18852)
## Summary

The code in the `Variable` branch of
`VariableLengthTupleSpec::has_relation_to` made the incorrect assumption
that if you zip two possibly-different-length iterators together and
iterate over the resulting zip iterator, the original two iterators will
only have their common elements consumed. But in fact, the zip iterator
detects that it is done when it receives a `None` from one iterator and
`Some()` element from the other iterator, which means that it consumes
one additional element from the longer iterator. This meant that we
failed to detect mismatched types on this extra consumed element,
because we never compared it to the variable type of the other tuple.

Use `zip_longest` from itertools as an alternative, which allows us to
combine all the handling into just two `zip_longest`, one for prefixes
and one for suffixes.

Marking this PR internal since it fixes a bug in a commit that wasn't
released yet.

## Test Plan

Added mdtests that failed before this fix and pass after it.
2025-06-21 13:09:23 -07:00
Alex Waygood f24e650dfd
[ty] Support `--python=<symlink to executable>` (#18827)
## Summary

Fixes https://github.com/astral-sh/ty/issues/640. If a user passes
`--python=<some-virtual-environment>/bin/python`, we must avoid
canonicalizing the path until we've traversed upwards to find the
`sys.prefix` directory (`<some-virtual-environment>`). On Unix systems,
`<sys.prefix>/bin/python` is often a symlink to a system interpreter; if
we resolve the symlink too easily then we'll add the system
interpreter's `site-packages` directory as a search path rather than the
virtual environment's directory.

## Test Plan

I added an integration test to
`crates/ty/tests/cli/python_environment.rs` which fails on `main`. I
also manually tested locally that running `cargo run -p ty check foo.py
--python=.venv/bin/python -vv` now prints this log to the terminal

```
2025-06-20 18:35:24.57702 DEBUG Resolved site-packages directories for this virtual environment are: SitePackagesPaths({"/Users/alexw/dev/ruff/.venv/lib/python3.13/site-packages"})
```

Whereas it previously resolved `site-packages` to my system
intallation's `site-packages` directory
2025-06-21 20:28:47 +01:00
Victor Hugo Gomes f32ae94bc3
[`pylint`] Mark `PLE0241` autofix as unsafe if there's comments in the base classes (#18832)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-21 17:20:39 +00:00
chiri da6cbeee60
[`flake8-raise`] Make fix unsafe if it deletes comments (`RSE102`) (#18788) 2025-06-21 19:09:40 +02:00
Micha Reiser cccbd0286e
[ty] Add Tanjun benchmark (#18850) 2025-06-21 18:29:02 +02:00
Micha Reiser a6ad8fb342
[ty] Add multithreaded benchmark (#18822) 2025-06-21 17:44:30 +02:00
Douglas Creager ea812d0813
[ty] Homogeneous and mixed tuples (#18600)
We already had support for homogeneous tuples (`tuple[int, ...]`). This
PR extends this to also support mixed tuples (`tuple[str, str,
*tuple[int, ...], str str]`).

A mixed tuple consists of a fixed-length (possibly empty) prefix and
suffix, and a variable-length portion in the middle. Every element of
the variable-length portion must be of the same type. A homogeneous
tuple is then just a mixed tuple with an empty prefix and suffix.

The new data representation uses different Rust types for a fixed-length
(aka heterogeneous) tuple. Another option would have been to use the
`VariableLengthTuple` representation for all tuples, and to wrap the
"variable + suffix" portion in an `Option`. I don't think that would
simplify the method implementations much, though, since we would still
have a 2×2 case analysis for most of them.

One wrinkle is that the definition of the `tuple` class in the typeshed
has a single typevar, and canonically represents a homogeneous tuple.
When getting the class of a tuple instance, that means that we have to
summarize our detailed mixed tuple type information into its
"homogeneous supertype". (We were already doing this for heterogeneous
types.)

A similar thing happens when concatenating two mixed tuples: the
variable-length portion and suffix of the LHS, and the prefix and
variable-length portion of the RHS, all get unioned into the
variable-length portion of the result. The LHS prefix and RHS suffix
carry through unchanged.

---------

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
2025-06-20 18:23:54 -04:00
Victor Hugo Gomes d9266284df
Handle parenthesized arguments in `remove_argument` (#18805)
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>
2025-06-20 21:24:41 +00:00
Dylan 2d224e6096
Unify helpers modules (#18835)
A little bit of cleanup for consistency's sake: we move all the helpers
modules to a consistent location, and update the import paths when
needed. In the case of `refurb` there were two helpers modules, so we
just merged them.

Happy to revert the last commit if people are okay with `super::super` I
just thought it looked a little silly.
2025-06-20 16:03:01 -05:00
GiGaGon ef785d2e74
Normalize some docs sections (#18831) 2025-06-20 21:56:11 +01:00
Robsdedude e36611c4d8
[`flake8_pyi`] Fix `PYI041`'s fix causing TypeError with `None | None | ...` (#18637)
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## Summary
Fix `PYI041`'s fix turning `None | int | None | float` into `None | None
| float`, which raises a `TypeError` when executed.

The fix consists of making sure that the merged super-type is inserted
where the first type that is merged was before.

## Test Plan
Tests have been expanded with examples from the issue.

## Related Issue
Fixes https://github.com/astral-sh/ruff/issues/18298
2025-06-20 15:04:51 -04:00
Hmvp 49763a7f7c
[`flake8-logging`] Avoid false positive for `exc_info=True` outside `logger.exception` (`LOG014`) (#18737)
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## Summary

Fixes https://github.com/astral-sh/ruff/issues/18726 by also checking if
its a literal and not only that it is truthy. See also the first comment
in the issue.

It would have been nice to check for inheritance of BaseException but I
figured that is not possible yet...

## Test Plan

I added a few tests for valid input to exc_info
2025-06-20 14:43:08 -04:00
GiGaGon 2d25aaeaa2
[`flake8-pie`] Small docs fix to `PIE794` (#18829)
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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

I noticed this since my code for finding missing safety fix sections
flagged it, there is a missing `/` causing part of the new changes to be
a normal comment instead of a doc comment

## Test Plan

<!-- How was it tested? -->

N/A, no functionality/tests affected
2025-06-20 14:38:13 -04:00
Gideon 2910988b06
[`pylint`] Ignore __init__.py files in (PLC0414) (#18400)
## Summary

Ignore `__init__.py` files in `useless-import-alias` (PLC0414).
See discussion in #18365 and #6294: we want to allow redundant aliases
in `__init__.py` files, as they're almost always intentional explicit
re-exports.
Closes #18365
 Closes #6294

---------

Co-authored-by: Dylan <dylwil3@gmail.com>
2025-06-20 18:20:27 +00:00
Brent Westbrook 8cff77c82e
Avoid generating diagnostics with per-file ignores (#18801)
## Summary

This PR avoids one of the three calls to `NoqaCode::rule` from
https://github.com/astral-sh/ruff/pull/18391 by applying per-file
ignores in the `LintContext`. To help with this, it also replaces all
direct uses of `LinterSettings.rules.enabled` with a
`LintContext::enabled` (or `Checker::enabled`, which defers to its
context) method. There are still some direct accesses to
`settings.rules`, but as far as I can tell these are not in a part of
the code where we can really access a `LintContext`. I believe all of
the code reachable from `check_path`, where the replaced per-file ignore
code was, should be converted to the new methods.

## Test Plan

Existing tests, with a single snapshot updated for RUF100, which I think
actually shows a more accurate diagnostic message now.
2025-06-20 13:33:09 -04:00
Victor Hugo Gomes ffb09c84f2
[`flake8-simplify`] Fix false negatives for shadowed bindings (`SIM910`, `SIM911`) (#18794)
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## Summary
I also noticed that the tests for SIM911 were note being run, so I fixed
that.

Fixes #18777
<!-- What's the purpose of the change? What does it do, and why? -->

## Test Plan
Add regression test
<!-- How was it tested? -->
2025-06-20 13:25:36 -04:00
Alex Waygood dc160c4a49
[ty] Fix panics when pulling types for `ClassVar` or `Final` parameterized with >1 argument (#18824) 2025-06-20 18:06:40 +01:00
Yunchi Pang 073a71ca9a
[`pylint`] add fix safety section (`PLR1714`) (#18415)
parent #15584
fix was introduced in #7910

---------

Co-authored-by: dylwil3 <dylwil3@gmail.com>
2025-06-20 15:40:44 +00:00
GiGaGon 23a3b6ef23
[Perflint] Small docs improvement to `PERF401` (#18786)
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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

While reading the docs I noticed this paragraph on `PERF401`. It was
added in the same PR that the bug with `:=` was fixed, #15050, but don't
know why it was added. The fix should already take care of adding the
parenthesis, so having this paragraph in the docs is just confusing
since it sounds like the user has to do something.

## Test Plan

<!-- How was it tested? -->

N/A, no tests/functionality affected
2025-06-20 09:55:49 -05:00
Gene Parmesan Thomas 5b3a501fae
[`pylint`] Avoid flattening nested `min`/`max` when outer call has single argument (`PLW3301`) (#16885)
## Summary

Fixes false positives (and incorrect autofixes) in `nested-min-max`
(`PLW3301`) when the outer `min`/`max` call only has a single argument.
Previously the rule would flatten:

```python
min(min([2, 3], [4, 1]))
```

into `min([2, 3], [4, 1])`, changing the semantics. The rule now skips
any nested call when the outer call has only one positional argument.
The pylint fixture and snapshot were updated accordingly.

## Test Plan

Ran Ruff against the updated `nested_min_max.py` fixture:

```shell
cargo run -p ruff -- check crates/ruff_linter/resources/test/fixtures/pylint/nested_min_max.py --no-cache --select=PLW3301 --preview
```

to verify that `min(min([2, 3], [4, 1]))` and `max(max([2, 4], [3, 1]))`
are no longer flagged. Updated the fixture and snapshot; all other
existing warnings remain unchanged. The code compiles and the unit tests
pass.

---

This PR was generated by an AI system in collaboration with maintainers:
@carljm, @ntBre

Fixes #16163

---------

Signed-off-by: Gene Parmesan Thomas <201852096+gopoto@users.noreply.github.com>
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
2025-06-20 09:35:09 -04:00
Deric Crago e66f182045
[`ruff`] Added `cls.__dict__.get('__annotations__')` check (`RUF063`) (#18233)
Added `cls.__dict__.get('__annotations__')` check for Python 3.10+ and
Python < 3.10 with `typing-extensions` enabled.

Closes #17853 

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## Summary

Added `cls.__dict__.get('__annotations__')` check for Python 3.10+ and
Python < 3.10 with `typing-extensions` enabled.

## Test Plan

`cargo test`

---------

Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-20 09:32:40 -04:00
Micha Reiser f544026b81
[ty] Use `HashTable` in `PlaceTable` (#18819) 2025-06-20 15:31:54 +02:00
Gene Parmesan Thomas 234d248730
docs: Correct collections-named-tuple example to use PascalCase assignment (#16884) 2025-06-20 13:30:46 +00:00
med1844 7982edac90
[ty] Add support for `@staticmethod`s (#18809)
## Summary

Add support for `@staticmethod`s. Overall, the changes are very similar
to #16305.

#18587 will be dependent on this PR for a potential fix of
https://github.com/astral-sh/ty/issues/207.

mypy_primer will look bad since the new code allows ty to check more
code.

## Test Plan

Added new markdown tests. Please comment if there's any missing tests
that I should add in, thank you.
2025-06-20 10:38:17 +02:00
Andrej e180975226
unnecessary_dict_kwargs doc - a note on type checking benefits (#18666) 2025-06-20 08:27:51 +02:00
Victor Hugo Gomes 97819f8a37
[`flake8-pytest-style`] Mark autofix for `PT001` and `PT023` as unsafe if there's comments in the decorator (#18792) 2025-06-20 08:23:59 +02:00
Dhruv Manilawala 22177e6915
[ty] Surface matched overload diagnostic directly (#18452)
## Summary

This PR resolves the way diagnostics are reported for an invalid call to
an overloaded function.

If any of the steps in the overload call evaluation algorithm yields a
matching overload but it's type checking that failed, the
`no-matching-overload` diagnostic is incorrect because there is a
matching overload, it's the arguments passed that are invalid as per the
signature. So, this PR improves that by surfacing the diagnostics on the
matching overload directly.

It also provides additional context, specifically the matching overload
where this error occurred and other non-matching overloads. Consider the
following example:

```py
from typing import overload


@overload
def f() -> None: ...
@overload
def f(x: int) -> int: ...
@overload
def f(x: int, y: int) -> int: ...
def f(x: int | None = None, y: int | None = None) -> int | None:
    return None


f("a")
```

We get:

<img width="857" alt="Screenshot 2025-06-18 at 11 07 10"
src="https://github.com/user-attachments/assets/8dbcaf13-2a74-4661-aa94-1225c9402ea6"
/>


## Test Plan

Update test cases, resolve existing todos and validate the updated
snapshots.
2025-06-20 08:36:49 +05:30
InSync 20d73dd41c
[ty] Report when a dataclass contains more than one `KW_ONLY` field (#18731)
## Summary

Part of [#111](https://github.com/astral-sh/ty/issues/111).

After this change, dataclasses with two or more `KW_ONLY` field will be
reported as invalid. The duplicate fields will simply be ignored when
computing `__init__`'s signature.

## Test Plan

Markdown tests.
2025-06-19 19:42:31 -07:00
GiGaGon 50bf3fa45a
[`flake8-pie`] Add fix safety section to `PIE794` (#18802)
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## Summary

<!-- What's the purpose of the change? What does it do, and why? -->

Part of #15584

This PR adds a fix safety section to `PIE794`

I could not track down when this rule was initially implemented/made
unsafe due how old it could be + multiple large refactors to `ruff`.

There is no comment/reasoning in the code given for the unsafety.

Here is a code example demonstrating why it should be unsafe, since
removing any of the assignments would change program behavior
[playground](https://play.ruff.rs/01004644-4259-4449-a581-5007cd59846a)
```py
class A:
    x = 1
    x = 2
    print(x)

class B:
    x = print(3)
    x = print(4)

class C:
    x = [1,2,3]
    y = x
    x = y[1]
```

## Test Plan

<!-- How was it tested? -->

N/A, no tests affected.

---------

Co-authored-by: Dylan <dylwil3@gmail.com>
2025-06-19 21:51:23 +00:00
GiGaGon 440635cbe6
[`pycodestyle`] Add fix safety section to `W291` and `W293` (#18800)
Part of #15584

This PR adds fix safety sections to `W291` and `W293`

The unsafe caveat was added in #10049


10a1d9f01e/crates/ruff_linter/src/rules/pycodestyle/rules/trailing_whitespace.rs (L92)

Code example demonstrating unsafety:
```
PS ~\Desktop\New_folder\ruff>Get-Content issue.py
```
```py
# W291
"""
1
"""

# W293
"""

"""
```
```
PS ~\Desktop\New_folder\ruff>Get-Escaped-Content issue.py
```
```
# W291\n"""\n1 \n"""\n\n# W293\n"""\n \n"""\r\n
```
```
PS ~\Desktop\New_folder\ruff>uvx ruff check issue.py --isolated --select W
```
```snap
issue.py:3:2: W291 Trailing whitespace
  |
1 | # W291
2 | """
3 | 1
  |  ^ W291
4 | """
  |
  = help: Remove trailing whitespace

issue.py:8:1: W293 Blank line contains whitespace
  |
6 | # W293
7 | """
8 |
  | ^ W293
9 | """
  |
  = help: Remove whitespace from blank line

Found 2 errors.
No fixes available (2 hidden fixes can be enabled with the `--unsafe-fixes` option).
```

## Test Plan

<!-- How was it tested? -->

N/A, no tests affected.
2025-06-19 16:48:02 -05:00
Dylan ce0a32aadb
[`flake8-comprehensions`] Handle template strings for comprehension fixes (#18710)
Essentially this PR ensures that when we do fixes like this:

```diff
- t"{set(f(x) for x in foo)}"
+ t"{ {f(x) for x in foo} }"
```
we are correctly adding whitespace around the braces. 

This logic is already in place for f-strings and just needed to be
generalized to interpolated strings.
2025-06-19 16:23:46 -05:00
Brent Westbrook 10a1d9f01e
Unify `OldDiagnostic` and `Message` (#18391)
Summary
--

This PR unifies the remaining differences between `OldDiagnostic` and
`Message` (`OldDiagnostic` was only missing an optional `noqa_offset`
field) and
replaces `Message` with `OldDiagnostic`.

The biggest functional difference is that the combined `OldDiagnostic`
kind no
longer implements `AsRule` for an infallible conversion to `Rule`. This
was
pretty easy to work around with `is_some_and` and `is_none_or` in the
few places
it was needed. In `LintContext::report_diagnostic_if_enabled` we can
just use
the new `Violation::rule` method, which takes care of most cases.

Most of the interesting changes are in [this
range](8156992540)
before I started renaming.

Test Plan
--

Existing tests

Future Work
--

I think it's time to start shifting some of these fields to the new
`Diagnostic`
kind. I believe we want `Fix` for sure, but I'm less sure about the
others. We
may want to keep a thin wrapper type here anyway to implement a `rule`
method,
so we could leave some of these fields on that too.
2025-06-19 09:37:58 -04:00
Robsdedude 4e83db4d40
[`pylint`] Detect more exotic NaN literals in `PLW0177` (#18630)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-19 11:05:06 +00:00
Victor Hugo Gomes 136443b71b
[`flake8-async`] Mark autofix for `ASYNC115` as unsafe if the call expression contains comments (#18753)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-19 13:01:33 +02:00
Victor Hugo Gomes f7a741a99e
[`flake8-bugbear`] Mark autofix for `B004` as unsafe if the `hasattr` call expr contains comments (#18755) 2025-06-19 10:46:53 +00:00
Charlie Marsh 4c8d612120
Enforce `pytest` import for decorators (#18779) 2025-06-19 09:49:34 +00:00
Victor Hugo Gomes 65b288b45b
[`flake8-comprehension`] Mark autofix for `C420` as unsafe if there's comments inside the dict comprehension (#18768) 2025-06-19 09:43:05 +00:00
chiri 06da2c808f
[flake8-async] fix detection for large integer sleep durations in `ASYNC116` rule (#18767)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-19 09:37:20 +00:00
Frazer McLean f67ff33177
Add lint rule for calling chmod with non-octal integers (#18541)
Co-authored-by: Micha Reiser <micha@reiser.io>
2025-06-19 11:30:29 +02:00
Nikolas Hearp dcf0a8d4d7
Mark `RET501` fix unsafe if comments are inside (#18780)
Co-authored-by: Charlie Marsh <crmarsh416@gmail.com>
2025-06-19 11:12:12 +02:00
Brent Westbrook e352a50b74
Use `LintContext::report_diagnostic_if_enabled` in `check_tokens` (#18769)
## Summary

This PR avoids the `Vec::retain` call in `check_tokens` by checking if
rules are enabled as their diagnostics are constructed.


2a425e43fd/crates/ruff_linter/src/checkers/tokens.rs (L174-L176)

Since `LintContext::report_diagnostic_if_enabled` required a
`LinterSettings`, I added a `settings` field to the context itself
instead of trying to pass it everywhere. This also turned
`LogicalLinesContext` into a trivial wrapper around `LintContext`, so I
just removed it in favor of using `LintContext` directly too.

The diff is a bit smaller with whitespace hidden since many blocks got
moved into something like this:

```rust
if let Some(mut diagnostic) = context.report_diagnostic.enabled(...) {
    // old code
}
```

## Test Plan

Existing tests
2025-06-18 17:05:36 -04:00
sobolevn 2a425e43fd
[UP008]: use `super()`, not `__super__` in error messages (#18743)
When I try to grep CPython with `__super__` I get 0 results:

```
(.venv) ~/Desktop/cpython  main ✔                                                    
» ag __super__ . 
                
```

That's how we can understand that the naming is not the best.
2025-06-18 13:57:57 -04:00
Micha Reiser 1188ffccc4
Disallow newlines in format specifiers of single quoted f- or t-strings (#18708) 2025-06-18 14:56:15 +02:00
Micha Reiser 23261a38a0
[ty] Add more benchmarks (#18714) 2025-06-18 13:41:38 +02:00
Micha Reiser 37fdece72f
[ty] Anchor all exclude patterns (#18685)
Co-authored-by: Andrew Gallant <andrew@astral.sh>
2025-06-18 08:57:36 +00:00
Alperen Keleş 932f941d15
[ty] fix binary expression inference between boolean literals and `bool` instances (#18663) 2025-06-17 18:02:40 +01:00
Brent Westbrook 87f0feb21a
Bump 0.12.0 (#18724)
- [x] Updated changelog
- [x] Updated breaking changes
2025-06-17 11:05:59 -04:00
Alex Waygood 685eac10e5
Revert "[ty] Offer "Did you mean...?" suggestions for unresolved `from` imports and unresolved attributes (#18705)" (#18721) 2025-06-17 15:48:09 +01:00
Dylan a93992fa30 [`flake8-return`] Stabilize only add `return None` at the end when fixing `implicit-return` (`RET503`) (#18516)
This involved slightly more code changes than usual for a stabilization
- so maybe worth double-checking the logic!

I did verify by hand that the new stable behavior on the test fixture
matches the old preview behavior, even after the internal refactor.
2025-06-17 09:58:12 -04:00
Brent Westbrook 50f84808bc [`pyupgrade`] Stabilize `non-pep695-generic-function` (`UP047`) (#18524)
## Summary
- Stabilizes UP047 (non-pep695-generic-function) rule by changing it
from Preview to Stable

## Test plan
-  Rule is already tested in main test function, no migration needed
-  `make check` passes
-  `make test` passes

## Rule Documentation
- [Test
file](https://github.com/astral-sh/ruff/blob/main/crates/ruff_linter/src/rules/pyupgrade/mod.rs#L111)
- [Rule
documentation](https://docs.astral.sh/ruff/rules/non-pep695-generic-function/)
2025-06-17 09:58:12 -04:00
Brent Westbrook 6754e94abc [`pyupgrade`] Stabilize `non-pep695-generic-class` (`UP046`) (#18519)
## Summary
- Stabilizes UP046 (non-pep695-generic-class) rule by changing it from
Preview to Stable

## Test plan
-  Rule is already tested in main test function, no migration needed
-  `make check` passes
-  `make test` passes

## Rule Documentation
- [Test
file](https://github.com/astral-sh/ruff/blob/main/crates/ruff_linter/src/rules/pyupgrade/mod.rs#L109-L110)
- [Rule
documentation](https://docs.astral.sh/ruff/rules/non-pep695-generic-class/)
2025-06-17 09:58:12 -04:00
Brent Westbrook 33c8c7569d [`pandas-vet`] Deprecate `pandas-df-variable-name` (`PD901`) (#18618)
Summary
--

Deprecates PD901 as part of #7710. I don't feel particularly strongly
about this one, though I have certainly used `df` as a dataframe name in
the past, just going through the open issues in the 0.12 milestone.

Test Plan
--

N/a
2025-06-17 09:58:12 -04:00
Brent Westbrook 34dc8e0531 [`flake8-bandit`] Remove `suspicious-xmle-tree-usage` (`S320`) (#18617)
Summary
--

Closes #13707. The rule was deprecated in 0.10 (#16680) and slated for
removal in either this or the next release.

Test Plan
--

N/a
2025-06-17 09:58:12 -04:00
Dylan b01195b166 Stabilize `dataclass-enum` (`RUF049`) (#18570)
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
2025-06-17 09:58:12 -04:00
Dylan ce176b1acf Stabilize `unnecessary-dict-index-lookup` (`PLR1733`) (#18571)
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
2025-06-17 09:58:12 -04:00
Brent Westbrook 72c8dc006f Stabilize `starmap-zip` (`RUF058`) (#18525)
## Summary
- Stabilizes RUF058 (starmap-zip) rule by changing it from Preview to
Stable
- Migrates test cases from preview_rules to main rules function 
- Updates snapshots accordingly and removes old preview snapshots

## Test plan
-  Migrated tests from preview to main test function
-  `make check` passes
-  `make test` passes  
-  `make citest` passes (no leftover snapshots)

## Rule Documentation
- [Test
file](https://github.com/astral-sh/ruff/blob/main/crates/ruff_linter/src/rules/ruff/mod.rs#L103-L104)
- [Rule documentation](https://docs.astral.sh/ruff/rules/starmap-zip/)
2025-06-17 09:58:12 -04:00
Brent Westbrook ad9ae4e2b6 [`flake8-logging`] Stabilize `exc-info-outside-except-handler` (`LOG014`) (#18517)
## Summary
- Stabilizes LOG014 (exc-info-outside-except-handler) rule by changing
it from Preview to Stable

## Test plan
-  Rule is already tested in main test function, no migration needed
-  `make check` passes
-  `make test` passes

## Rule Documentation
- [Test
file](https://github.com/astral-sh/ruff/blob/main/crates/ruff_linter/src/rules/flake8_logging/mod.rs#L22-L23)
- [Rule
documentation](https://docs.astral.sh/ruff/rules/exc-info-outside-except-handler/)
2025-06-17 09:58:12 -04:00