## Summary
Fixed a typo. It should be "or", not "of". Both `.pop()` and `next()` on
an empty collection will raise `IndexError`, not "`[0]` of the `pop()`
function"
## Test Plan
n/a
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## Summary
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This PR implements https://docs.astral.sh/ruff/rules/break-outside-loop/
(F701) as a semantic syntax error.
## Test Plan
<!-- How was it tested? -->
---------
Signed-off-by: 11happy <soni5happy@gmail.com>
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
## Summary
Based on the suggestion in
https://github.com/astral-sh/ruff/issues/20774#issuecomment-3383153511,
I added rendering of unsupported syntax errors in our `format` test.
In support of this, I added a `DummyFileResolver` type to `ruff_db` to
pass to `DisplayDiagnostics::new` (first commit). Another option would
obviously be implementing this directly in the fixtures, but we'd have
to import a `NotebookIndex` somehow; either by depending directly on
`ruff_notebook` or re-exporting it from `ruff_db`. I thought it might be
convenient elsewhere to have a dummy resolver, for example in the
parser, where we currently have a separate rendering pipeline
[copied](https://github.com/astral-sh/ruff/blob/main/crates/ruff_python_parser/tests/fixtures.rs#L321)
from our old rendering code in `ruff_linter`. I also briefly tried
implementing a `TestDb` in the formatter since I noticed the
`ruff_python_formatter::db` module, but that was turning into a lot more
code than the dummy resolver.
We could also push this a bit further if we wanted. I didn't add the new
snapshots to the black compatibility tests or to the preview snapshots,
for example. I thought it was kind of noisy enough (and helpful enough)
already, though. We could also use a shorter diagnostic format, but the
full output seems most useful once we accept this initial large batch of
changes.
## Test Plan
I went through the baseline snapshots pretty quickly, but they all
looked reasonable to me, with one exception I noted below. I also tested
that the case from #20774 produces a new unsupported syntax error.
## Summary
Resolves#19384.
- Distinguishes more clearly between `date` and `datetime` objects.
- Uniformly links to the relevant Python docs from rules in this
category.
I've tried to be clearer, but there's still a contradiction in the rules
as written: we say "use timezone-aware objects", but `date`s are
inherently timezone-naive.
Also, the full docs don't always match the error message: for instance,
in [DTZ012](https://docs.astral.sh/ruff/rules/call-date-fromtimestamp/),
the example says to use:
```python
datetime.datetime.fromtimestamp(946684800, tz=datetime.UTC)
```
while `fix_title` returns "Use `datetime.datetime.fromtimestamp(ts,
tz=...)**.date()**` instead".
I have left this as it was for now.
## Test Plan
Ran `mkdocs` locally and inspected result.
## Summary
The original autofix for G004 was quietly dropping everything but the
f-string components of any implicit concatenation sequence; this
addresses that.
Side note: It looks like `f_strings` is a bit risky to use (since it
implicitly skips non-f-string parts); use iter and include implicitly
concatenated pieces. We should consider if it's worth having
(convenience vs. bit risky).
## Test Plan
```
cargo test -p ruff_linter
```
Backtest (run new testcases against previous implementation):
```
git checkout HEAD^ crates/ruff_linter/src/rules/flake8_logging_format/rules/logging_call.rs
cargot test -p ruff_linter
```
Resolves https://github.com/astral-sh/ruff/issues/20694
This PR updates the `zip_without_explicit_strict` and
`map_without_explicit_strict` rules so their fixes are always marked
unsafe, following Brent's guidance that adding `strict=False` can
silently preserve buggy behaviour when inputs differ. The fix safety
docs now spell out that reasoning, the applicability drops to `Unsafe`,
and the snapshots were refreshed so Ruff clearly warns users before
applying the edit.
Summary
--
Closes#19467 and also removes the warning about using Python 3.14
without
preview enabled.
I also bumped `PythonVersion::default` to 3.9 because it reaches EOL
this month,
but we could also defer that for now if we wanted.
The first three commits are related to the `latest` bump to 3.14; the
fourth commit
bumps the default to 3.10.
Note that this PR also bumps the default Python version for ty to 3.10
because
there was a test asserting that it stays in sync with
`ast::PythonVersion`.
Test Plan
--
Existing tests
I spot-checked the ecosystem report, and I believe these are all
expected. Inbits doesn't specify a target Python version, so I guess
we're applying the default. UP007, UP035, and UP045 all use the new
default value to emit new diagnostics.
## Summary
Fixes#20700
`else` and `elif` blocks could previously be deleted when applying a fix
for this rule. If an `else` or `elif` branch is detected the rule will
not trigger. So now the rule will only flag if it is safe.
## Summary
Resolves#20004
The implementation now supports guaranteed-mutable expressions in the
following cases:
- Tuple literals with mutable elements (supporting deep nesting)
- Generator expressions
- Named expressions (walrus operator) containing mutable components
Preserves original formatting for assignment value:
```python
# Test case
def f5(x=([1, ])):
print(x)
```
```python
# Fix before
def f5(x=(None)):
if x is None:
x = [1]
print(x)
```
```python
# Fix after
def f5(x=None):
if x is None:
x = ([1, ])
print(x)
```
The expansion of detected expressions and the new fixes gated behind
previews.
## Test Plan
- Added B006_9.py with a bunch of test cases
- Generated snapshots
---------
Co-authored-by: Igor Drokin <drokinii1017@gmail.com>
Co-authored-by: dylwil3 <dylwil3@gmail.com>
Resolves https://github.com/astral-sh/ruff/issues/20512
This PR expands FA102’s preview coverage to flag every
PEP 585-compatible API that breaks without from `from __future__ import
annotations`, including `collections.abc`. The rule now treats asyncio
futures, pathlib-style queues, weakref containers, shelve proxies, and
the full `collections.abc` family as generics once preview mode is
enabled.
Stable behavior is unchanged; the broader matching runs behind
`is_future_required_preview_generics_enabled`, letting us vet the new
diagnostics before marking them as stable.
I've also added a snapshot test that covers all of the newly supported
types.
Check out
https://docs.python.org/3/library/stdtypes.html#standard-generic-classes
for a list of commonly used PEP 585-compatible APIs.
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Fixes#19837
Track quote usage across the joiner and parts to choose a safe f-string
quote or skip the fix when both appear.
## Test Plan
<!-- How was it tested? -->
Add regression coverage to FLY002.py
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Since we are trying to import both `AutoImport` and `SourceModuleMoved`,
the previous naming was not as descriptive. Renaming it to `Rename`
better reflects the intention.
## Test Plan
<!-- How was it tested? -->
no functionality change
## Summary
This PR uses the new `Diagnostic` type for rendering formatter
diagnostics. This allows the formatter to inherit all of the output
formats already implemented in the linter and ty. For example, here's
the new `full` output format, with the formatting diff displayed using
the same infrastructure as the linter:
<img width="592" height="364" alt="image"
src="https://github.com/user-attachments/assets/6d09817d-3f27-4960-aa8b-41ba47fb4dc0"
/>
<details><summary>Resolved TODOs</summary>
<p>
~~There are several limitiations/todos here still, especially around the
`OutputFormat` type~~:
- [x] A few literal `todo!`s for the remaining `OutputFormat`s without
matching `DiagnosticFormat`s
- [x] The default output format is `full` instead of something more
concise like the current output
- [x] Some of the output formats (namely JSON) have information that
doesn't make much sense for these diagnostics
The first of these is definitely resolved, and I think the other two are
as well, based on discussion on the design document. In brief, we're
okay inheriting the default `OutputFormat` and can separate the global
option into `lint.output-format` and `format.output-format` in the
future, if needed; and we're okay including redundant information in the
non-human-readable output formats.
My last major concern is with the performance of the new code, as
discussed in the `Benchmarks` section below.
A smaller question is whether we should use `Diagnostic`s for formatting
errors too. I think the answer to this is yes, in line with changes
we're making in the linter too. I still need to implement that here.
</p>
</details>
<details><summary>Benchmarks</summary>
<p>
The values in the table are from a large benchmark on the CPython 3.10
code
base, which involves checking 2011 files, 1872 of which need to be
reformatted.
`stable` corresponds to the same code used on `main`, while
`preview-full` and
`preview-concise` use the new `Diagnostic` code gated behind `--preview`
for the
`full` and `concise` output formats, respectively. `stable-diff` uses
the
`--diff` to compare the two diff rendering approaches. See the full
hyperfine
command below for more details. For a sense of scale, the `stable`
output format
produces 1873 lines on stdout, compared to 855,278 for `preview-full`
and
857,798 for `stable-diff`.
| Command | Mean [ms] | Min [ms] | Max [ms] | Relative |
|:------------------|--------------:|---------:|---------:|-------------:|
| `stable` | 201.2 ± 6.8 | 192.9 | 220.6 | 1.00 |
| `preview-full` | 9113.2 ± 31.2 | 9076.1 | 9152.0 | 45.29 ± 1.54 |
| `preview-concise` | 214.2 ± 1.4 | 212.0 | 217.6 | 1.06 ± 0.04 |
| `stable-diff` | 3308.6 ± 20.2 | 3278.6 | 3341.8 | 16.44 ± 0.56 |
In summary, the `preview-concise` diagnostics are ~6% slower than the
stable
output format, increasing the average runtime from 201.2 ms to 214.2 ms.
The
`full` preview diagnostics are much more expensive, taking over 9113.2
ms to
complete, which is ~3x more expensive even than the stable diffs
produced by the
`--diff` flag.
My main takeaways here are:
1. Rendering `Edit`s is much more expensive than rendering the diffs
from `--diff`
2. Constructing `Edit`s actually isn't too bad
### Constructing `Edit`s
I also took a closer look at `Edit` construction by modifying the code
and
repeating the `preview-concise` benchmark and found that the main issue
is
constructing a `SourceFile` for use in the `Edit` rendering. Commenting
out the
`Edit` construction itself has basically no effect:
| Command | Mean [ms] | Min [ms] | Max [ms] | Relative |
|:----------|------------:|---------:|---------:|------------:|
| `stable` | 197.5 ± 1.6 | 195.0 | 200.3 | 1.00 |
| `no-edit` | 208.9 ± 2.2 | 204.8 | 212.2 | 1.06 ± 0.01 |
However, also omitting the source text from the `SourceFile`
construction
resolves the slowdown compared to `stable`. So it seems that copying the
full
source text into a `SourceFile` is the main cause of the slowdown for
non-`full`
diagnostics.
| Command | Mean [ms] | Min [ms] | Max [ms] | Relative |
|:-----------------|------------:|---------:|---------:|------------:|
| `stable` | 202.4 ± 2.9 | 197.6 | 207.9 | 1.00 |
| `no-source-text` | 202.7 ± 3.3 | 196.3 | 209.1 | 1.00 ± 0.02 |
### Rendering diffs
The main difference between `stable-diff` and `preview-full` seems to be
the diffing strategy we use from `similar`. Both versions use the same
algorithm, but in the existing
[`CodeDiff`](https://github.com/astral-sh/ruff/blob/main/crates/ruff_linter/src/source_kind.rs#L259)
rendering for the `--diff` flag, we only do line-level diffing, whereas
for `Diagnostic`s we use `TextDiff::iter_inline_changes` to highlight
word-level changes too. Skipping the word diff for `Diagnostic`s closes
most of the gap:
| Command | Mean [s] | Min [s] | Max [s] | Relative |
|:---|---:|---:|---:|---:|
| `stable-diff` | 3.323 ± 0.015 | 3.297 | 3.341 | 1.00 |
| `preview-full` | 3.654 ± 0.019 | 3.618 | 3.682 | 1.10 ± 0.01 |
(In some repeated runs, I've seen as small as a ~5% difference, down
from 10% in the table)
This doesn't actually change any of our snapshots, but it would
obviously change the rendered result in a terminal since we wouldn't
highlight the specific words that changed within a line.
Another much smaller change that we can try is removing the deadline
from the `iter_inline_changes` call. It looks like there's a fair amount
of overhead from the default 500 ms deadline for computing these, and
using `iter_inline_changes(op, None)` (`None` for the optional deadline
argument) improves the runtime quite a bit:
| Command | Mean [s] | Min [s] | Max [s] | Relative |
|:---|---:|---:|---:|---:|
| `stable-diff` | 3.322 ± 0.013 | 3.298 | 3.341 | 1.00 |
| `preview-full` | 5.296 ± 0.030 | 5.251 | 5.366 | 1.59 ± 0.01 |
<hr>
<details><summary>hyperfine command</summary>
```shell
cargo build --release --bin ruff && hyperfine --ignore-failure --warmup 10 --export-markdown /tmp/table.md \
-n stable -n preview-full -n preview-concise -n stable-diff \
"./target/release/ruff format --check ./crates/ruff_linter/resources/test/cpython/ --no-cache" \
"./target/release/ruff format --check ./crates/ruff_linter/resources/test/cpython/ --no-cache --preview --output-format=full" \
"./target/release/ruff format --check ./crates/ruff_linter/resources/test/cpython/ --no-cache --preview --output-format=concise" \
"./target/release/ruff format --check ./crates/ruff_linter/resources/test/cpython/ --no-cache --diff"
```
</details>
</p>
</details>
## Test Plan
Some new CLI tests and manual testing
## Summary
Addresses
https://github.com/astral-sh/ruff/pull/20443#discussion_r2381237640 by
factoring out the `match` on the ruff output format in a way that should
be reusable by the formatter.
I didn't think this was going to work at first, but the fact that the
config holds options that apply only to certain output formats works in
our favor here. We can set up a single config for all of the output
formats and then use `try_from` to convert the `OutputFormat` to a
`DiagnosticFormat` later.
## Test Plan
Existing tests, plus a few new ones to make sure relocating the
`SHOW_FIX_SUMMARY` rendering worked, that was untested before. I deleted
a bunch of test code along with the `text` module, but I believe all of
it is now well-covered by the `full` and `concise` tests in `ruff_db`.
I also merged this branch into
https://github.com/astral-sh/ruff/pull/20443 locally and made sure that
the API actually helps. `render_diagnostics` dropped in perfectly and
passed the tests there too.
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## Summary
This PR addresses #20570 . In the example, the correct usage had a
bug/issue where in the except block after logging exception, None was
getting returned, which made the linters flag out the code. So adding an
empty raise solves the issue.
## Test Plan
Tested it by building the doc locally.
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## Summary
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This PR implements
https://docs.astral.sh/ruff/rules/future-feature-not-defined/ (F407) as
a semantic syntax error.
## Test Plan
<!-- How was it tested? -->
I have written inline tests as directed in #17412
---------
Signed-off-by: 11happy <soni5happy@gmail.com>
Summary
--
This fixes a bug pointed out in #20560 where one of the `pylint`
settings wasn't used in its `Display` implementation.
Test Plan
--
Existing tests with updated snapshots
## Summary
Improve the SIM105 rule message to prevent user confusion about how to
properly use `contextlib.suppress`.
The previous message "Replace with `contextlib.suppress(ValueError)`"
was ambiguous and led users to incorrectly use
`contextlib.suppress(ValueError)` as a statement inside except blocks
instead of replacing the entire try-except-pass block with `with
contextlib.suppress(ValueError):`.
This change makes the message more explicit:
- **Before**: `"Use \`contextlib.suppress({exception})\` instead of
\`try\`-\`except\`-\`pass\`"`
- **After**: `"Replace \`try\`-\`except\`-\`pass\` block with \`with
contextlib.suppress({exception})\`"`
The fix title is also updated to be more specific:
- **Before**: `"Replace with \`contextlib.suppress({exception})\`"`
- **After**: `"Replace \`try\`-\`except\`-\`pass\` with \`with
contextlib.suppress({exception})\`"`
Fixes#20462
## Test Plan
- ✅ All existing SIM105 tests pass with updated snapshots
- ✅ Cargo clippy passes without warnings
- ✅ Full test suite passes
- ✅ The new messages clearly indicate that the entire try-except-pass
block should be replaced with a `with` statement, preventing the misuse
described in the issue
---------
Co-authored-by: Giovani Moutinho <e@mgiovani.dev>
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
First contribution so please let me know if I've made a mistake
anywhere. This was aimed to fix#19982, it adds the isolation level to
PYI021 to in the same style as the PIE790 rule.
fixes: #19982
## Test Plan
<!-- How was it tested? -->
I added a case to the PYI021.pyi file where the two rules are present as
there wasn't a case with them both interacting, using the minimal
reproducible example that @ntBre created on the issue (I think I got the
`# ERROR` markings wrong, so please let me know how to fix that if I
did).
---------
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
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## Summary
This PR implements
https://docs.astral.sh/ruff/rules/multiple-starred-expressions/ as a
semantic syntax error
## Test Plan
I have added inline tests as directed in #17412
---------
Signed-off-by: 11happy <soni5happy@gmail.com>
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
- Adds test cases exercising file selection by extension with
`--preview` enabled and disabled.
- Adds `INCLUDE_PREVIEW` with file patterns including `*.pyw`.
- In global preview mode, default configuration selects patterns from
`INCLUDE_PREVIEW`.
- Manually tested ruff server with local vscode for both formatting and
linting of a `.pyw` file.
Closes https://github.com/astral-sh/ruff/issues/13246
## Summary
Adds a new rule to find and report use of `os.path` or `pathlib.Path` in
async functions.
Issue: #8451
## Test Plan
Using `cargo insta test`
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## Summary
Fixes#12734
I have started with simply checking if any arguments that are providing
extra values to the log message are calls to `str` or `repr`, as
suggested in the linked issue. There was a concern that this could cause
false positives and the check should be more explicit. I am happy to
look into that if I have some further examples to work with.
If this is the accepted solution then there are more cases to add to the
test and it should possibly also do test for the same behavior via the
`extra` keyword.
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
I have added a new test case and python file to flake8_logging_format
with examples of this anti-pattern.
<!-- How was it tested? -->
## Summary
Fixes#20440
Fix B004 to skip invalid hasattr/getattr calls
- Add argument validation for `hasattr` and `getattr`
- Skip B004 rule when function calls have invalid argument patterns
## Summary
Implements new rule `B912` that requires the `strict=` argument for
`map(...)` calls with two or more iterables on Python 3.14+, following
the same pattern as `B905` for `zip()`.
Closes#20057
---------
Co-authored-by: dylwil3 <dylwil3@gmail.com>
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## Summary
Resolves#20033
## Test Plan
unit tests added to the new split function, existing snapshot test
updated.
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
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## Summary
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Fixes#19887
- flynt(FLY002): When joining only string constants, upgrade raw
single-quoted strings to raw triple-quoted if the resulting
content contains a newline.
- Choose a safe triple-quote delimiter by switching to the opposite
quote style if the preferred triple appears inside the
content.
- Update FLY002 snapshot to include the `\n'.join([r'line1','line2'])`
case.
## Test Plan
I've added one test case to FLY002.py.
<!-- How was it tested? -->
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
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## Summary
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Fixes#20255
Mark single-item-membership-test fixes as always unsafe
- Always set `Applicability::Unsafe` for FURB171 fixes
- Update “Fix safety” docs to reflect always-unsafe behavior
- Expand tests (not in, nested set/frozenset, commented args)
## Test Plan
<!-- How was it tested? -->
I have added new test cases to
`crates/ruff_linter/resources/test/fixtures/refurb/FURB171_0.py` and
`crates/ruff_linter/resources/test/fixtures/refurb/FURB171_1.py`.
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
## Summary
Fixes https://github.com/astral-sh/ruff/issues/20134
## Test Plan
`cargo nextest run flake8_use_pathlib`
---------
Co-authored-by: Dan Parizher <danparizher@users.noreply.github.com>
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
## Summary
Part of https://github.com/astral-sh/ruff/issues/2331
## Test Plan
`cargo nextest run flake8_use_pathlib`
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
This refactors the importer abstraction to use a shared
`Insertion`. This is mostly just moving some code around
with some slight tweaks.
The plan here is to keep the rest of the importing code
in `ruff_linter` and then write something ty-specific on
top of `Insertion`. This ends up sharing some code, but
not as much as would be ideal. In particular, the
`ruff_linter` imported is pretty tightly coupled with
ruff's semantic model. So to share the code, we'd need to
abstract over that.
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## Summary
This PR implements F406
https://docs.astral.sh/ruff/rules/undefined-local-with-nested-import-star-usage/
as a semantic syntax error
## Test Plan
I have written inline tests as directed in #17412
---------
Signed-off-by: 11happy <soni5happy@gmail.com>
- Convert panics to diagnostics with id `Panic`, severity `Fatal`, and
the error as the diagnostic message, annotated with a `Span` with empty
code block and no range.
- Updates the post-linting message diagnostic handling to track the
maximum severity seen, and then prints the "report a bug in ruff"
message only if the max severity was `Fatal`
This depends on the sorting changes since it creates diagnostics with no
range specified.
## Summary
Resolves#20266
Definition of the frozen dataclass attribute can be instantiation of a
nested frozen dataclass as well as a non-nested one.
### Problem explanation
The `function_call_in_dataclass_default` function is invoked during the
"defined scope" stage, after all scopes have been processed. At this
point, the semantic references the top-level scope. When
`SemanticModel::lookup_attribute` executes, it searches for bindings in
the top-level module scope rather than the class scope, resulting in an
error.
To solve this issue, the lookup should be evaluated through the class
scope.
## Test Plan
- Added test case from issue
Co-authored-by: Igor Drokin <drokinii1017@gmail.com>
## Summary
Fixes#19842
Prevent infinite loop with I002 and UP026
- Implement isort-aware handling for UP026 (deprecated mock import):
- Add CLI integration tests in crates/ruff/tests/lint.rs:
## Test Plan
I have added two integration tests
`pyupgrade_up026_respects_isort_required_import_fix` and
`pyupgrade_up026_respects_isort_required_import_from_fix` in
`crates/ruff/tests/lint.rs`.
## Summary
Resolves#20282
Makes the rule fix always unsafe, because the replacement may not be
semantically equivalent to the original expression, potentially changing
the behavior of the code.
Updated docstring with examples.
## Test Plan
- Added two tests from issue and regenerated the snapshot
---------
Co-authored-by: Igor Drokin <drokinii1017@gmail.com>
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
## Summary
Fixes#20204
Recognize t-strings, generators, and lambdas in RUF016
- Accept boolean literals as valid index and slice bounds.
- Add TString, Generator, and Lambda to `CheckableExprType`.
- Expand RUF016.py fixture and update snapshots accordingly.
Our token-based rules and `noqa` extraction used an `Indexer` that kept
track of f-string ranges but not t-strings. We've updated the `Indexer`
and downstream uses thereof to handle both f-strings and t-strings.
Most of the diff is renaming and adding tests.
Note that much of the "new" logic gets to be naive because the lexer has
already ensured that f and t-string "starts" are paired with their
respective "ends", even amidst nesting and so on.
Finally: one could imagine wanting to know if a given interpolated
string range corresponds to an f-string or a t-string, but I didn't find
a place where we actually needed this.
Closes#20310
## Summary
This is the GitHub analog to #20117. This PR prepares to add a GitHub
output format to ty by moving the implementation from `ruff_linter` to
`ruff_db`. Hopefully this one is a bit easier to review
commit-by-commit. Almost all of the refactoring this time is in the
first commit, then the second commit adds the new `OutputFormat` variant
and moves the file into `ruff_db`. The third commit is just a small
touch up to use a private method that accommodates ty files so that we
can run the tests and update/move the snapshots.
I had to push a fourth commit to fix and test diagnostics without a
span/file.
## Test Plan
Existing tests
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Fixes#20235
• Fix `RUF102` to properly handle rule redirects when validating noqa
codes
• Update `code_is_valid` to check redirect targets before determining
validity
• Add test case for rule redirects (TCH002 in this case)
## Test Plan
<!-- How was it tested? -->
I have added a test case for rule redirects to
`crates/ruff_linter/resources/test/fixtures/ruff/RUF102.py`.
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## Summary
Closes#18349
After this change:
- All deprecated rules are deselected by default
- They are only selected if the user specifically selects them by code,
e.g. `--select UP038`
- Thus, `--select ALL --select UP --select UP0` won't select the
deprecated rule UP038
- Documented the change in version policy. From now on, deprecating a
rule should increase the minor version
## Test Plan
Integration tests in "integration_tests.rs"
Also tested with a temporary test package:
```
~> ../../ruff/target/debug/ruff.exe check --select UP038
warning: Rule `UP038` is deprecated and will be removed in a future release.
warning: Detected debug build without --no-cache.
UP038 Use `X | Y` in `isinstance` call instead of `(X, Y)`
--> main.py:2:11
|
1 | def main():
2 | print(isinstance(25, (str, int)))
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
help: Convert to `X | Y`
Found 1 error.
No fixes available (1 hidden fix can be enabled with the `--unsafe-fixes` option).
~> ../../ruff/target/debug/ruff.exe check --select UP03
warning: Detected debug build without --no-cache.
All checks passed!
~> ../../ruff/target/debug/ruff.exe check --select UP0
warning: Detected debug build without --no-cache.
All checks passed!
~> ../../ruff/target/debug/ruff.exe check --select UP
warning: Detected debug build without --no-cache.
All checks passed!
~> ../../ruff/target/debug/ruff.exe check --select ALL
# warnings and errors, but because of other errors, UP038 was deselected
```
- **Stabilize `airflow3-suggested-update` (`AIR311`)**
- **Stabilize `airflow3-suggested-to-move-to-provider` (`AIR312`)**
- **Stabilize `airflow3-removal` (`AIR301`)**
- **Stabilize `airflow3-moved-to-provider` (`AIR302`)**
- **Stabilize `airflow-dag-no-schedule-argument` (`AIR002`)**
I put this all in one PR to make it easier to double check with @Lee-W
before we merge this. I also made a few minor documentation changes and
updated one error message that I want to make sure are okay. But for the
most part this just moves the rules from `RuleGroup::Preview` to
`RuleGroup::Stable`!
Fixes#17749
This stabilizes the behavior introduced in #16565 which (roughly) tries
to match an import like `import a.b.c` to an actual directory path
`a/b/c` in order to label it as first-party, rather than simply looking
for a directory `a`.
Mainly this affects the sorting of imports in the presence of namespace
packages, but a few other rules are affected as well.
This one has been a bit contentious in the past. It usually uncovers
~700 ecosystem hits. See:
- https://github.com/astral-sh/ruff/pull/16657
- https://github.com/astral-sh/ruff/issues/16690
But I think there's consensus that it's okay to merge as-is. We'd love
an
autofix since it's so common, but we can't reliably tell what a user
meant. The
pattern is ambiguous after all 😆
This is the first rule that actually needed its test case relocated, but
the
docs looked good.
## Summary
This PR Removes deprecated UP038 as per instructed in #18727closes#18727
## Test Plan
I have run tests non of them failing
One Question i have is do we have to document that UP038 is removed?
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
## Summary
closes#7710
## Test Plan
It is is removal so i don't think we have to add tests otherwise i have
followed test plan mentioned in contributing.md
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Summary
--
Rule and test/snapshot updated, the docs look good
My one hesitation here is that we could hold off stabilizing the rule
until its fix is also ready for stabilization, but this is also the only
preview PTH rule, so I think it's okay to stabilize the rule and later
(probably in the next minor release) stabilize the fixes together.
The tests looked good. For the docs, I added a `## See also` section
pointing to
the closely-related F841 (unused-variable) and the corresponding section
to F841
pointing back to RUF059. It seems like you'd probably want both of these
active
or at least to know about the other when reading the docs.
## Summary
Resolves#19357
Skip UP008 diagnostic for `builtins.super(P, self)` calls when
`__class__` is not referenced locally, preventing incorrect fixes.
**Note:** I haven't found concrete information about which cases
`__class__` will be loaded into the scope. Let me know if anyone has
references, it would be useful to enhance the implementation. I did a
lot of tests to determine when `__class__` is loaded. Considered
sources:
1. [Python doc
super](https://docs.python.org/3/library/functions.html#super)
2. [Python doc classes](https://docs.python.org/3/tutorial/classes.html)
3. [pep-3135](https://peps.python.org/pep-3135/#specification)
As I understand it, Python will inject at runtime into local scope a
`__class__` variable if it detects references to `super` or `__class__`.
This allows calling `super()` and passing appropriate parameters.
However, the compiler doesn't do the same for `builtins.super`, so we
need to somehow introduce `__class__` into the local scope.
I figured out `__class__` will be in scope with valid value when two
conditions are met:
1. `super` or `__class__` names have been loaded within function scope
4. `__class__` is not overridden.
I think my solution isn't elegant, so I would be appreciate a detailed
review.
## Test Plan
Added 19 test cases, updated snapshots.
---------
Co-authored-by: Igor Drokin <drokinii1017@gmail.com>
- Renames functions to drop `expect_` from names.
- Make functions return `Option<LineColumn>` to appropriately signal
when range is not available.
- Update existing consumers to use `unwrap_or_default()`. Uncertain if
there are better fallback behaviors for individual consumers.
Specifically, the [`if_not_else`] lint will sometimes flag
code to change the order of `if` and `else` bodies if this
would allow a `!` to be removed. While perhaps tasteful in
some cases, there are many cases in my experience where this
bows to other competing concerns that impact readability.
(Such as the relative sizes of the `if` and `else` bodies,
or perhaps an ordering that just makes the code flow in a
more natural way.)
[`if_not_else`]: https://rust-lang.github.io/rust-clippy/master/index.html#/if_not_else
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## Summary
Noticed this was not escaped when writing a project that parses the
result of `ruff rule --outputformat json`. This is visible here:
<https://docs.astral.sh/ruff/rules/mixed-case-variable-in-global-scope/#why-is-this-bad>
## Test Plan
documentation only
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
### Why
Removal should be grouped into the same category. It doesn't matter
whether it's from a provider or not (and the only case we used to have
was not anyway).
`ProviderReplacement` is used to indicate that we have a replacement and
we might need to install an extra Python package to cater to it.
### What
Move `airflow.operators.postgres_operator.Mapping` from AIR302 to AIR301
and get rid of `ProviderReplace::None`
## Test Plan
<!-- How was it tested? -->
Update the test fixtures accordingly in the first commit and reorganize
them in the second commit
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## Summary
This PR implements
https://docs.astral.sh/ruff/rules/yield-from-in-async-function/ as a
syntax semantic error
## Test Plan
<!-- How was it tested? -->
I have written a simple inline test as directed in
[https://github.com/astral-sh/ruff/issues/17412](https://github.com/astral-sh/ruff/issues/17412)
---------
Signed-off-by: 11happy <soni5happy@gmail.com>
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
update the argument `datasets` as `assets`
## Test Plan
<!-- How was it tested? -->
update fixture accordingly
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
### What
Change the message from "DAG should have an explicit `schedule`
argument" to "`DAG` or `@dag` should have an explicit `schedule`
argument"
### Why
We're trying to get rid of the idea that DAG in airflow was Directed
acyclic graph. Thus, change it to refer to the class `DAG` or the
decorator `@dag` might help a bit.
## Test Plan
<!-- How was it tested? -->
update the test fixtures accordly
## Summary
This PR fixes#7352 by exposing the `show_fix_diff` option used in our
snapshot tests in the CLI. As the issue suggests, we plan to make this
the default output format in the future, so this is added to the `full`
output format in preview for now.
This turned out to be pretty straightforward. I just used our existing
`Applicability` settings to determine whether or not to print the diff.
The snapshot differences are because we now set
`Applicability::DisplayOnly` for our snapshot tests. This
`Applicability` is also used to determine whether or not the fix icon
(`[*]`) is rendered, so this is now shown for display-only fixes in our
snapshots. This was already the case previously, but we were only
setting `Applicability::Unsafe` in these tests and ignoring the
`Applicability` when rendering fix diffs. CLI users can't enable
display-only fixes, so this is only a test change for now, but this
should work smoothly if we decide to expose a `--display-only-fixes`
flag or similar in the future.
I also deleted the `PrinterFlags::SHOW_FIX_DIFF` flag. This was
completely unused before, and it seemed less confusing just to delete it
than to enable it in the right place and check it along with the
`OutputFormat` and `preview`.
## Test Plan
I only added one CLI test for now. I'm kind of assuming that we have
decent coverage of the cases where this shouldn't be firing, especially
the `output_format` CLI test, which shows that this definitely doesn't
affect non-preview `full` output. I'm happy to add more tests with
different combinations of options, if we're worried about any in
particular. I did try `--diff` and `--preview` and a few other
combinations manually.
And here's a screenshot using our trusty UP049 example from the design
discussion confirming that all the colors and other formatting still
look as expected:
<img width="786" height="629" alt="image"
src="https://github.com/user-attachments/assets/94e408bc-af7b-4573-b546-a5ceac2620f2"
/>
And one with an unsafe fix to see the footer:
<img width="782" height="367" alt="image"
src="https://github.com/user-attachments/assets/bbb29e47-310b-4293-b2c2-cc7aee3baff4"
/>
## Related issues and PR
- https://github.com/astral-sh/ruff/issues/7352
- https://github.com/astral-sh/ruff/pull/12595
- https://github.com/astral-sh/ruff/issues/12598
- https://github.com/astral-sh/ruff/issues/12599
- https://github.com/astral-sh/ruff/issues/12600
I think we could probably close all of these issues now. I think we've
either resolved or avoided most of them, and if we encounter them again
with the new output format, it would probably make sense to open new
ones anyway.
This pull request fixes the bug described in issue
[#19153](https://github.com/astral-sh/ruff/issues/19153).
The issue occurred when `PERF403` incorrectly flagged cases involving
tuple unpacking in a for loop. For example:
```python
def f():
v = {}
for (o, p), x in [("op", "x")]:
v[x] = o, p
```
This code was wrongly suggested to be rewritten into a dictionary
comprehension, which changes the semantics.
Changes in this PR:
Updated the `PERF403` rule to correctly handle tuple unpacking in loop
targets.
Added regression tests to ensure this case (and similar ones) are no
longer flagged incorrectly.
Why:
This ensures that `PERF403` only triggers when a dictionary
comprehension is semantically equivalent to the original loop,
preventing false positives.
---------
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
## Summary
Adds new rule to catch use of builtins `input()` in async functions.
Issue #8451
## Test Plan
New snapshosts in `ASYNC250.py` with `cargo insta test`.
## Summary
I spun this off from #19919 to separate the rendering code change and
snapshot updates from the (much smaller) changes to expose this in the
CLI. I grouped all of the `ruff_linter` snapshot changes in the final
commit in an effort to make this easier to review. The code changes are
in [this
range](619395eb41).
I went through all of the snapshots, albeit fairly quickly, and they all
looked correct to me. In the last few commits I was trying to resolve an
existing issue in the alignment of the line number separator:
73720c73be/crates/ruff_linter/src/rules/flake8_comprehensions/snapshots/ruff_linter__rules__flake8_comprehensions__tests__C409_C409.py.snap (L87-L89)
In the snapshot above on `main`, you can see that a double-digit line
number at the end of the context lines for a snippet was causing a
misalignment with the other separators. That's now resolved. The one
downside is that this can lead to a mismatch with the diagnostic above:
```
C409 [*] Unnecessary list literal passed to `tuple()` (rewrite as a tuple literal)
--> C409.py:4:6
|
2 | t2 = tuple([1, 2])
3 | t3 = tuple((1, 2))
4 | t4 = tuple([
| ______^
5 | | 1,
6 | | 2
7 | | ])
| |__^
8 | t5 = tuple(
9 | (1, 2)
|
help: Rewrite as a tuple literal
1 | t1 = tuple([])
2 | t2 = tuple([1, 2])
3 | t3 = tuple((1, 2))
- t4 = tuple([
4 + t4 = (
5 | 1,
6 | 2
- ])
7 + )
8 | t5 = tuple(
9 | (1, 2)
10 | )
note: This is an unsafe fix and may remove comments or change runtime behavior
```
But I don't think we can avoid that without really reworking this
rendering to make the diagnostic and diff rendering aware of each other.
Anyway, this should only happen in relatively rare cases where the
diagnostic is near a digit boundary and also near a context boundary.
Most of our diagnostics line up nicely.
Another potential downside of the new rendering format is its handling
of long stretches of `+` or `-` lines:
```
help: Replace with `Literal[...] | None`
21 | ...
22 |
23 |
- def func6(arg1: Literal[
- "hello",
- None # Comment 1
- , "world"
- ]):
24 + def func6(arg1: Literal["hello", "world"] | None):
25 | ...
26 |
27 |
note: This is an unsafe fix and may remove comments or change runtime behavior
```
To me it just seems a little hard to tell what's going on with just a
long streak of `-`-prefixed lines. I saw an even more exaggerated
example at some point, but I think this is also fairly rare. Most of the
snapshots seem more like the examples we looked at on Discord with
plenty of `|` lines and pairs of `+` and `-` lines.
## Test Plan
Existing tests plus one new test in `ruff_db` to isolate a line
separator alignment issue
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Fixes#19664
Fix allowed unused imports matching for top-level modules.
I've simply replaced `from_dotted_name` with `user_defined`. Since
QualifiedName for imports is created in
crates/ruff_python_semantic/src/imports.rs, I guess it's acceptable to
use `user_defined` here. Please tell me if there is better way.
0c5089ed9e/crates/ruff_python_semantic/src/imports.rs (L62)
## Test Plan
<!-- How was it tested? -->
I've added a snapshot test
`f401_allowed_unused_imports_top_level_module`.
## Summary
This PR is a first step toward adding a GitLab output format to ty. It
converts the `GitlabEmitter` from `ruff_linter` to a `GitlabRenderer` in
`ruff_db` and updates its implementation to handle non-Ruff files and
diagnostics without primary spans. I tried to break up the changes here
so that they're easy to review commit-by-commit, or at least in groups
of commits:
- [preparatory changes in-place in `ruff_linter` and a `ruff_db`
skeleton](0761b73a61)
- [moving the code over with no implementation changes mixed
in](0761b73a61..8f909ea0bb)
- [tidying up the code now in
`ruff_db`](9f047c4f9f..e5e217fcd6)
This wasn't strictly necessary, but I also added some `Serialize`
structs instead of calling `json!` to make it a little clearer that we
weren't modifying the schema (e4c4bee35d).
I plan to follow this up with a separate PR exposing this output format
in the ty CLI, which should be quite straightforward.
## Test Plan
Existing tests, especially the two that show up in the diff as renamed
nearly without changes
## Summary
Adds new rule to find and report use of `httpx.Client` in synchronous
functions.
See issue #8451
## Test Plan
New snapshots for `ASYNC212.py` with `cargo insta test`.
## Summary
Fixes#19581
I decided to add in a `indent_first_line` function into
[`textwrap.rs`](https://github.com/astral-sh/ruff/blob/main/crates/ruff_python_trivia/src/textwrap.rs),
as it solely focuses on text manipulation utilities. It follows the same
design as `indent()`, and there may be situations in the future where it
can be reused as well.
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Extend the following rules.
### AIR311
* `airflow.sensors.base.BaseSensorOperator` →
airflow.sdk.bases.sensor.BaseSensorOperator`
* `airflow.sensors.base.PokeReturnValue` →
airflow.sdk.bases.sensor.PokeReturnValue`
* `airflow.sensors.base.poke_mode_only` →
airflow.sdk.bases.sensor.poke_mode_only`
* `airflow.decorators.base.DecoratedOperator` →
airflow.sdk.bases.decorator.DecoratedOperator`
* `airflow.models.param.Param` → airflow.sdk.definitions.param.Param`
* `airflow.decorators.base.DecoratedMappedOperator` →
`airflow.sdk.bases.decorator.DecoratedMappedOperator`
* `airflow.decorators.base.DecoratedOperator` →
`airflow.sdk.bases.decorator.DecoratedOperator`
* `airflow.decorators.base.TaskDecorator` →
`airflow.sdk.bases.decorator.TaskDecorator`
* `airflow.decorators.base.get_unique_task_id` →
`airflow.sdk.bases.decorator.get_unique_task_id`
* `airflow.decorators.base.task_decorator_factory` →
`airflow.sdk.bases.decorator.task_decorator_factory`
### AIR312
* `airflow.sensors.bash.BashSensor` →
`airflow.providers.standard.sensor.bash.BashSensor`
* `airflow.sensors.python.PythonSensor` →
`airflow.providers.standard.sensors.python.PythonSensor`
## Test Plan
<!-- How was it tested? -->
update the test fixture accordingly in the second commit and reorg in
the third
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## Summary
Part of https://github.com/astral-sh/ruff/pull/20100 |
https://github.com/astral-sh/ruff/pull/20100#issuecomment-3225349156
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## Summary
Fixes https://github.com/astral-sh/ruff/issues/20088
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
`cargo nextest run flake8_use_pathlib`
---------
Co-authored-by: Brent Westbrook <brentrwestbrook@gmail.com>
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## Summary
Part of #20009 (i forgot to delete it in this PR)
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
<!-- How was it tested? -->
Closes#19302
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## Summary
This adds an auto-fix for `Logging statement uses f-string` Ruff G004,
so users don't have to resolve it manually.
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
I ran the auto-fixes on a Python file locally and and it worked as
expected.
<!-- How was it tested? -->
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Summary
--
This PR aims to resolve (or help to resolve) #18442 and #19357 by
encoding the CPython semantics around the `__class__` cell in our
semantic model. Namely,
> `__class__` is an implicit closure reference created by the compiler
if any methods in a class body refer to either `__class__` or super.
from the Python
[docs](https://docs.python.org/3/reference/datamodel.html#creating-the-class-object).
As noted in the variant docs by @AlexWaygood, we don't fully model this
behavior, opting always to create the `__class__` cell binding in a new
`ScopeKind::DunderClassCell` around each method definition, without
checking if any method in the class body actually refers to `__class__`
or `super`.
As such, this PR fixes#18442 but not #19357.
Test Plan
--
Existing tests, plus the tests from #19783, which now pass without any
rule-specific code.
Note that we opted not to alter the behavior of F841 here because
flagging `__class__` in these cases still seems helpful. See the
discussion in
https://github.com/astral-sh/ruff/pull/20048#discussion_r2296252395 and
in the test comments for more information.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Co-authored-by: Mikko Leppänen <mleppan23@gmail.com>
## Summary
As noted in a code TODO, our `Diff` rendering code previously didn't
have any
special handling for notebooks. This was particularly obvious when the
diffs
were rendered right next to the corresponding diagnostic because the
diagnostic
used cell-based line numbers, while the diff was still using line
numbers from
the concatenated source. This PR updates the diff rendering to handle
notebooks
too.
The main improvements shown in the example below are:
- Line numbers are now remapped to be relative to their cell
- Context lines from other cells are suppressed
```
error[unused-import][*]: `math` imported but unused
--> notebook.ipynb:cell 2:2:8
|
1 | # cell 2
2 | import math
| ^^^^
3 |
4 | print('hello world')
|
help: Remove unused import: `math`
ℹ Safe fix
1 1 | # cell 2
2 |-import math
3 2 |
4 3 | print('hello world')
```
I tried a few different approaches here before finally just splitting
the notebook into separate text ranges by cell and diffing each one
separately. It seems to work and passes all of our tests, but I don't
know if it's actually enforced anywhere that a single edit doesn't span
cells. Such an edit would silently be dropped right now since it would
fail the `contains_range` check. I also feel like I may have overlooked
an existing way to partition a file into cells like this.
## Test Plan
Existing notebook tests, plus a new one in `ruff_db`
## Summary
Removes the `module_ptr` field from `AstNodeRef` in release mode, and
change `NodeIndex` to a `NonZeroU32` to reduce the size of
`Option<AstNodeRef<_>>` fields.
I believe CI runs in debug mode, so this won't show up in the memory
report, but this reduces memory by ~2% in release mode.
Adds a method to `TStringValue` to detect whether the t-string is empty
_as an iterable_. Note the subtlety here that, unlike f-strings, an
empty t-string is still truthy (i.e. `bool(t"")==True`).
Closes#19951
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