Closes#17042
## Summary
This PR fixes the issue outlined in #17042 where RUF100 (unused-noqa)
fails to detect unused file-level noqa directives (`# ruff: noqa` or `#
ruff: noqa: {code}`).
The issue stems from two underlying causes:
1. For blanket file-level directives (`# ruff: noqa`), there's a
circular dependency: the directive exempts all rules including RUF100
itself, which prevents checking for usage. This isn't changed by this
PR. I would argue it is intendend behavior - a blanket `# ruff: noqa`
directive should exempt all rules including RUF100 itself.
2. For code-specific file-level directives (e.g. `# ruff: noqa: F841`),
the handling was missing in the `check_noqa` function. This is added in
this PR.
## Notes
- For file-level directives, the `matches` array is pre-populated with
the specified codes during parsing, unlike line-level directives which
only populate their `matches` array when actually suppressing
diagnostics. This difference requires the somewhat clunky handling of
both cases. I would appreciate guidance on a cleaner design :)
- A more fundamental solution would be to change how file-level
directives initialize the `matches` array in
`FileNoqaDirectives::extract()`, but that requires more substantial
changes as it breaks existing functionality. I suspect discussions in
#16483 are relevant for this.
## Test Plan
- Local verification
- Added a test case and fixture
## Summary
Some of the migration rules has been changed during Airflow 3
development. The following are new AIR302 rules. Corresponding AIR301
has also been removed.
* airflow.sensors.external_task_sensor.ExternalTaskMarker →
airflow.providers.standard.sensors.external_task.ExternalTaskMarker
* airflow.sensors.external_task_sensor.ExternalTaskSensor →
airflow.providers.standard.sensors.external_task.ExternalTaskSensor
* airflow.sensors.external_task_sensor.ExternalTaskSensorLink →
airflow.providers.standard.sensors.external_task.ExternalTaskSensorLink
* airflow.sensors.time_delta_sensor.TimeDeltaSensor →
airflow.providers.standard.sensors.time_delta.TimeDeltaSensor
* airflow.operators.dagrun_operator.TriggerDagRunLink →
airflow.providers.standard.operators.trigger_dagrun.TriggerDagRunLink
* airflow.operators.dagrun_operator.TriggerDagRunOperator →
airflow.providers.standard.operators.trigger_dagrun.TriggerDagRunOperator
* airflow.operators.python_operator.BranchPythonOperator →
airflow.providers.standard.operators.python.BranchPythonOperator
* airflow.operators.python_operator.PythonOperator →
airflow.providers.standard.operators.python.PythonOperator
* airflow.operators.python_operator.PythonVirtualenvOperator →
airflow.providers.standard.operators.python.PythonVirtualenvOperator
* airflow.operators.python_operator.ShortCircuitOperator →
airflow.providers.standard.operators.python.ShortCircuitOperator
* airflow.operators.latest_only_operator.LatestOnlyOperator →
airflow.providers.standard.operators.latest_only.LatestOnlyOperator
* airflow.sensors.date_time_sensor.DateTimeSensor →
airflow.providers.standard.sensors.DateTimeSensor
* airflow.operators.email_operator.EmailOperator →
airflow.providers.smtp.operators.smtp.EmailOperator
* airflow.operators.email.EmailOperator →
airflow.providers.smtp.operators.smtp.EmailOperator
* airflow.operators.bash.BashOperator →
airflow.providers.standard.operators.bash.BashOperator
* airflow.operators.EmptyOperator →
airflow.providers.standard.operators.empty.EmptyOperator
closes: https://github.com/astral-sh/ruff/issues/17103
## Test Plan
The test fixture has been updated and checked after each change and
later reorganized in the latest commit
Summary
--
This PR fixes the issue pointed out by @JelleZijlstra in
https://github.com/astral-sh/ruff/pull/17101#issuecomment-2777480204.
Namely, I conflated two very different errors from CPython:
```pycon
>>> def m[T](x: (yield from 1)): ...
File "<python-input-310>", line 1
def m[T](x: (yield from 1)): ...
^^^^^^^^^^^^
SyntaxError: yield expression cannot be used within the definition of a generic
>>> def m(x: (yield from 1)): ...
File "<python-input-311>", line 1
def m(x: (yield from 1)): ...
^^^^^^^^^^^^
SyntaxError: 'yield from' outside function
>>> def outer():
... def m(x: (yield from 1)): ...
...
>>>
```
I thought the second error was the same as the first, but `yield` (and
`yield from`) is actually valid in this position when inside a function
scope. The same is true for base classes, as pointed out in the original
comment.
We don't currently raise an error for `yield` outside of a function, but
that should be handled separately.
On the upside, this had the benefit of removing the
`InvalidExpressionPosition::BaseClass` variant and the
`allow_named_expr` field from the visitor because they were both no
longer used.
Test Plan
--
Updated inline tests.
Fixes: #17196
## Summary
Skipping these nodes for malformed type expressions would lead to
incorrect semantic state, which can in turn mean we emit false positives
for rules like `unused-variable`(`F841`)
## Test Plan
`cargo nextest run`
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Closes#17084
## Summary
This PR adds a new rule (RUF102) to detect and fix invalid rule codes in
`noqa` comments.
Invalid rule codes in `noqa` directives serve no purpose and may
indicate outdated code suppressions.
This extends the previous behaviour originating from
`crates/ruff_linter/src/noqa.rs` which would only emit a warnigs.
With this rule a `--fix` is available.
The rule:
1. Analyzes all `noqa` directives to identify invalid rule codes
2. Provides autofix functionality to:
- Remove the entire comment if all codes are invalid
- Remove only the invalid codes when mixed with valid codes
3. Preserves original comment formatting and whitespace where possible
Example cases:
- `# noqa: XYZ111` → Remove entire comment (keep empty line)
- `# noqa: XYZ222, XYZ333` → Remove entire comment (keep empty line)
- `# noqa: F401, INVALID123` → Keep only valid codes (`# noqa: F401`)
## Test Plan
- Added tests in
`crates/ruff_linter/resources/test/fixtures/ruff/RUF102.py` covering
different example cases.
<!-- How was it tested? -->
## Notes
- This does not handle cases where parsing fails. E.g. `# noqa:
NON_EXISTENT, ANOTHER_INVALID` causes a `LexicalError` and the
diagnostic is not propagated and we cannot handle the diagnostic. I am
also unsure what proper `fix` handling would be and making the user
aware we don't understand the codes is probably the best bet.
- The rule is added to the Preview rule group as it's a new addition
## Questions
- Should we remove the warnings, now that we have a rule?
- Is the current fix behavior appropriate for all cases, particularly
the handling of whitespace and line deletions?
- I'm new to the codebase; let me know if there are rule utilities which
could have used but didn't.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Summary
--
This PR detects the use of invalid syntax in annotation scopes,
including
`yield` and `yield from` expressions and named expressions. I combined a
few
different types of CPython errors here, but I think the resulting error
messages
still make sense and are even preferable to what CPython gives. For
example, we
report `yield expression cannot be used in a type annotation` for both
of these:
```pycon
>>> def f[T](x: (yield 1)): ...
File "<python-input-26>", line 1
def f[T](x: (yield 1)): ...
^^^^^^^
SyntaxError: yield expression cannot be used within the definition of a generic
>>> def foo() -> (yield x): ...
File "<python-input-28>", line 1
def foo() -> (yield x): ...
^^^^^^^
SyntaxError: 'yield' outside function
```
Fixes https://github.com/astral-sh/ruff/issues/11118.
Test Plan
--
New inline tests, along with some updates to existing tests.
Summary
--
Detects duplicate attributes in a `match` class pattern:
```python
match x:
case Class(x=1, x=2): ...
```
which are more analogous to the similar check for mapping patterns than
to the
multiple assignments rule.
I also realized that both this and the mapping check would only work on
top-level patterns, despite the possibility that they can be nested
inside other
patterns:
```python
match x:
case [{"x": 1, "x": 2}]: ... # false negative in the old version
```
and moved these checks into the recursive pattern visitor instead.
I also tidied up some of the names like the `multiple_case_assignment`
function
and the `MultipleCaseAssignmentVisitor`, which are now doing more than
checking
for multiple assignments.
Test Plan
--
New inline tests for both classes and mappings.
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## Summary
I decided to disable the new
[`needless_continue`](https://rust-lang.github.io/rust-clippy/master/index.html#needless_continue)
rule because I often found the explicit `continue` more readable over an
empty block or having to invert the condition of an other branch.
## Test Plan
`cargo test`
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Summary
--
Detects duplicate literals in `match` mapping keys.
This PR also adds a `source` method to `SemanticSyntaxContext` to
display the duplicated key in the error message by slicing out its
range.
Test Plan
--
New inline tests.
We add support for `return` and `raise` statements in the control flow
graph: we simply add an edge to the terminal block, push the statements
to the current block, and proceed.
This implementation will have to be modified somewhat once we add
support for `try` statements - then we will need to check whether to
_defer_ the jump. But for now this will do!
Also in this PR: We fix the `unreachable` diagnostic range so that it
lumps together consecutive unreachable blocks.
## Summary
Following up the discussion in
https://github.com/astral-sh/ruff/issues/14626#issuecomment-2766548545,
we're to reorganize airflow rules. Before this discussion happens, we
combine required changes and suggested changes in to one single error
code.
This PR first rename the original error code to the new error code as we
discussed. We will gradually extract suggested changes out of AIR301 and
AIR302 to AIR311 and AIR312 in the following PRs
## Test Plan
Except for file, error code rename, the test case should work as it used
to be.
## Summary
Add autofix infrastructure to `AIR302` name checks and use this logic to
fix`"airflow", "api_connexion", "security", "requires_access_dataset"`, `"airflow", "Dataset"` and `"airflow",
"datasets", "Dataset"`
## Test Plan
The existing test fixture reflects the update
## Summary
Closes#17112. Allows passing in string and list-of-strings literals
into `subprocess.run` (and related) calls without marking them as
untrusted input:
```py
import subprocess
subprocess.run("true")
# "instant" named expressions are also allowed
subprocess.run(c := "ls")
```
## Test Plan
Added test cases covering new behavior, passed with `cargo nextest run`.
## Summary
* ``airflow.auth.managers.base_auth_manager.is_authorized_dataset`` has
been moved to
``airflow.api_fastapi.auth.managers.base_auth_manager.is_authorized_asset``
in Airflow 3.0
* ``airflow.auth.managers.models.resource_details.DatasetDetails`` has
been moved to
``airflow.api_fastapi.auth.managers.models.resource_details.AssetDetails``
in Airflow 3.0
* Dag arguments `default_view` and `orientation` has been removed in
Airflow 3.0
* `airflow.models.baseoperatorlink.BaseOperatorLink` has been moved to
`airflow.sdk.definitions.baseoperatorlink.BaseOperatorLink` in Airflow
3.0
* ``airflow.notifications.basenotifier.BaseNotifier`` has been moved to
``airflow.sdk.BaseNotifier`` in Airflow 3.0
* ``airflow.utils.log.secrets_masker`` has been moved to
``airflow.sdk.execution_time.secrets_masker`` in Airflow 3.0
* ``airflow...DAG.allow_future_exec_dates`` has been removed in Airflow
3.0
* `airflow.utils.db.create_session` has een removed in Airflow 3.0
* `airflow.sensors.base_sensor_operator.BaseSensorOperator` has been
moved to `airflow.sdk.bases.sensor.BaseSensorOperator` removed Airflow
3.0
* `airflow.utils.file.TemporaryDirectory` has been removed in Airflow
3.0 and can be replaced by `tempfile.TemporaryDirectory`
* `airflow.utils.file.mkdirs` has been removed in Airflow 3.0 and can be
replaced by `pathlib.Path({path}).mkdir`
## Test Plan
Test fixture has been added for these changes
## Summary
Unlike other AIR3XX rules, this best practice can be applied to Airflow
1 and Airflow 2 as well. Thus, we think it might make sense for use to
move it to AIR002 so that the first number of the error align to Airflow
version as possible to reduce confusion
## Test Plan
the test fixture has been updated
Summary
--
This PR reimplements
[load-before-global-declaration
(PLE0118)](https://docs.astral.sh/ruff/rules/load-before-global-declaration/)
as a semantic syntax error.
I added a `global` method to the `SemanticSyntaxContext` trait to make
this very easy, at least in ruff. Does red-knot have something similar?
If this approach will also work in red-knot, I think some of the other
PLE rules are also compile-time errors in CPython, PLE0117 in
particular. 0115 and 0116 also mention `SyntaxError`s in their docs, but
I haven't confirmed them in the REPL yet.
Test Plan
--
Existing linter tests for PLE0118. I think this actually can't be tested
very easily in an inline test because the `TestContext` doesn't have a
real way to track globals.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Summary
--
Fixes https://github.com/astral-sh/ruff/issues/16520 by flagging single,
starred expressions in `return`, `yield`, and
`for` statements.
I thought `yield from` would also be included here, but that error is
emitted by
the CPython parser:
```pycon
>>> ast.parse("def f(): yield from *x")
Traceback (most recent call last):
File "<python-input-214>", line 1, in <module>
ast.parse("def f(): yield from *x")
~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.13/ast.py", line 54, in parse
return compile(source, filename, mode, flags,
_feature_version=feature_version, optimize=optimize)
File "<unknown>", line 1
def f(): yield from *x
^
SyntaxError: invalid syntax
```
And we also already catch it in our parser.
Test Plan
--
New inline tests and updates to existing tests.
## Summary
Adds import `numpy.typing as npt` to `default in
flake8-import-conventions.aliases`
Resolves#17028
## Test Plan
Manually ran local ruff on the altered fixture and also ran `cargo test`
## Summary
I don't remember exactly when we made `Identifier` a node but it is now
considered a node (it implements `AnyNodeRef`, it has a range). However,
we never updated
the `SourceOrderVisitor` to visit identifiers because we never had a use
case for it and visiting new nodes can change how the formatter
associates comments (breaking change!).
This PR updates the `SourceOrderVisitor` to visit identifiers and
changes the formatter comment visitor to skip identifiers (updating the
visitor might be desired because it could help simplifying some comment
placement logic but this is out of scope for this PR).
## Test Plan
Tests, updated snapshot tests
This PR contains the scaffolding for a new control flow graph
implementation, along with its application to the `unreachable` rule. At
the moment, the implementation is a maximal over-approximation: no
control flow is modeled and all statements are counted as reachable.
With each additional statement type we support, this approximation will
improve.
So this PR just contains:
- A `ControlFlowGraph` struct and builder
- Support for printing the flow graph as a Mermaid graph
- Snapshot tests for the actual graphs
- (a very bad!) reimplementation of `unreachable` using the new structs
- Snapshot tests for `unreachable`
# Instructions for Viewing Mermaid snapshots
Unfortunately I don't know how to convince GitHub to render the Mermaid
graphs in the snapshots. However, you can view these locally in VSCode
if you install an extension that supports Mermaid graphs in Markdown,
and then add this to your `settings.json`:
```json
"files.associations": {
"*.md.snap": "markdown",
}
```
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
* Combine AIR302 matches
* Found a few errors. Will be fixed in another PR
## Test Plan
<!-- How was it tested? -->
This PR does not change anything. The existing testing fixture should
work as it used to be
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
* The following paths are wrong
* `airflow.providers.amazon.auth_manager.avp.entities` should be
`airflow.providers.amazon.aws.auth_manager.avp.entities`
* `["airflow", "datasets", "manager", "dataset_manager"]` should be
fixed as `airflow.assets.manager` but not
`airflow.assets.manager.asset_manager`
* `["airflow", "datasets.manager", "DatasetManager"]` should be `
["airflow", "datasets", "manager", "DatasetManager"]` instead
## Test Plan
<!-- How was it tested? -->
the test fixture is updated accordingly
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Improve AIR302 test cases
## Test Plan
<!-- How was it tested? -->
test fixtures have been updated accordingly
Summary
--
Detects starred assignment targets outside of tuples and lists like `*a
= (1,)`.
This PR only considers assignment statements. I also checked annotated
assigment statements, but these give a separate error that we already
catch, so I think they're okay not to consider:
```pycon
>>> *a: list[int] = []
File "<python-input-72>", line 1
*a: list[int] = []
^
SyntaxError: invalid syntax
```
Fixes#13759
Test Plan
--
New inline tests, plus a new `SemanticSyntaxError` for an existing
parser test. I also removed a now-invalid case from an otherwise-valid
test fixture.
The new semantic error leads to two errors for the case below:
```python
*foo() = 42
```
but this matches [pyright] too.
[pyright]: https://pyright-play.net/?code=FQMw9mAUCUAEC8sAsAmAUEA
Summary
--
Detect setting or deleting `__debug__`. Assigning to `__debug__` was a
`SyntaxError` on the earliest version I tested (3.8). Deleting
`__debug__` was made a `SyntaxError` in [BPO 45000], which said it was
resolved in Python 3.10. However, `del __debug__` was also a runtime
error (`NameError`) when I tested in Python 3.9.6, so I thought it was
worth including 3.9 in this check.
I don't think it was ever a *good* idea to try `del __debug__`, so I
think there's also an argument for not making this version-dependent at
all. That would only simplify the implementation very slightly, though.
[BPO 45000]: https://github.com/python/cpython/issues/89163
Test Plan
--
New inline tests. This also required adding a `PythonVersion` field to
the `TestContext` that could be taken from the inline `ParseOptions` and
making the version field on the options accessible.
Summary
--
This PR detects multiple assignments to the same name in `case` patterns
by recursively visiting each pattern.
Test Plan
--
New inline tests.
Summary
--
Detects irrefutable `match` cases before the final case using a modified
version
of the existing `Pattern::is_irrefutable` method from the AST crate. The
modified method helps to retrieve a more precise diagnostic range to
match what
Python 3.13 shows in the REPL.
Test Plan
--
New inline tests, as well as some updates to existing tests that had
irrefutable
patterns before the last block.
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
combine similar case condition in AIR302
## Test Plan
<!-- How was it tested? -->
nothing should be changed. existing test case should already cover it
## Summary
Here I fix the last English spelling errors I could find in the repo.
Again, I am trying not to touch variable/function names, or anything
that might be misspelled in the API. The goal is to make this PR safe
and easy to merge.
## Test Plan
I have run all the unit tests. Though, again, all of the changes I make
here are to docs and docstrings. I make no code changes, which I believe
should greatly mitigate the testing concerns.
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## Summary
This is a cleanup PR. I am fixing various English language spelling
errors. This is mostly in docs and docstrings.
## Test Plan
The usual CI tests were run. I tried to build the docs (though I had
some troubles there). The testing needs here are, I trust, very low
impact. (Though I would happily test more.)
Summary
--
Detects duplicate type parameter names in function definitions, class
definitions, and type alias statements.
I also boxed the `type_params` field on `StmtTypeAlias` to make it
easier to
`match` with functions and classes. (That's the reason for the red-knot
code
owner review requests, sorry!)
Test Plan
--
New `ruff_python_syntax_errors` unit tests.
Fixes#11119.
## Summary
This PR implements the "greeter" approach for checking the AST for
syntax errors emitted by the CPython compiler. It introduces two main
infrastructural changes to support all of the compile-time errors:
1. Adds a new `semantic_errors` module to the parser crate with public
`SemanticSyntaxChecker` and `SemanticSyntaxError` types
2. Embeds a `SemanticSyntaxChecker` in the `ruff_linter::Checker` for
checking these errors in ruff
As a proof of concept, it also implements detection of two syntax
errors:
1. A reimplementation of
[`late-future-import`](https://docs.astral.sh/ruff/rules/late-future-import/)
(`F404`)
2. Detection of rebound comprehension iteration variables
(https://github.com/astral-sh/ruff/issues/14395)
## Test plan
Existing F404 tests, new inline tests in the `ruff_python_parser` crate,
and a linter CLI test showing an example of the `Message` output.
I also tested in VS Code, where `preview = false` and turning off syntax
errors both disable the new errors:
And on the playground, where `preview = false` also disables the errors:
Fixes#14395
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
I am one of the core developers of Airflow and working on the
"airflow.sdk"
package, and this updates the recommended replacments to the correct
user-facing imports.[^1]
cc @Lee-W @uranusjr
[^1]:
33f0f1d639/task-sdk/src/airflow/sdk/__init__.py (L68-L93)
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
Hope and pray? 😉
I'm sure there are some snapshot files I'm supposed to fix first.
<!-- How was it tested? -->
## Summary
This change follows up on the bug-fix requested in #16747 --
`ruff_python_ast::OperatorPrecedence` had an enum variant, `BitXorOr`,
which which gave the same precedence to the `|` and `^` operators. This
goes against [Python's documentation for operator
precedence](https://docs.python.org/3/reference/expressions.html#operator-precedence),
so this PR changes the code so that it's correct.
This is part of the overall effort to unify redundant definitions of
`OperatorPrecedence` throughout the codebase (#16071)
## Test Plan
Because this is an internal change, I only ran existing tests to ensure
nothing was broken.
The single flag `has_syntax_error` on `LinterResult` is replaced with
two (private) flags: `has_valid_syntax` and
`has_no_unsupported_syntax_errors`, which record whether there are
`ParseError`s or `UnsupportedSyntaxError`s, respectively. Only the
former is used to prevent a `FixAll` action.
An attempt has been made to make consistent the usage of the phrases
"valid syntax" (which seems to be used to refer only to _parser_ errors)
and "syntax error" (which refers to both _parser_ errors and
version-specific syntax errors).
Closes#16841
Summary
--
This PR updates `check_path` in the `ruff_linter` crate to return a
`Vec<Message>` instead of a `Vec<Diagnostic>`. The main motivation for
this is to make it easier to convert semantic syntax errors directly
into `Message`s rather than `Diagnostic`s in #16106. However, this also
has the benefit of keeping the preview check on unsupported syntax
errors in `check_path`, as suggested in
https://github.com/astral-sh/ruff/pull/16429#discussion_r1974748024.
All of the interesting changes are in the first commit. The second
commit just renames variables like `diagnostics` to `messages`, and the
third commit is a tiny import fix.
I also updated the `ExpandedMessage::location` field name, which caused
a few extra commits tidying up the playground code. I thought it was
nicely symmetric with `end_location`, but I'm happy to revert that too.
Test Plan
--
Existing tests. I also tested the playground and server manually.
## Summary
Stop flagging each invocation of `django.utils.safestring.mark_safe`
(also available at, `django.utils.html.mark_safe`) as an error.
Instead, allow string literals as valid uses for `mark_safe`.
Also, update the documentation, pointing at
`django.utils.html.format_html` for dynamic content generation use
cases.
Closes#16702
## Test Plan
I verified several possible uses, but string literals, are still
flagged.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Follow-up release for Ruff v0.10 that now includes the following two
changes that we intended to ship but slipped:
* Changes to how the Python version is inferred when a `target-version`
is not specified (#16319)
* `blanket-noqa` (`PGH004`): Also detect blanked file-level noqa
comments (and not just line level comments).
## Test plan
I verified that the binary built on this branch respects the
`requires-python` setting
([logs](https://www.diffchecker.com/qyJWYi6W/), left: v0.10, right:
v0.11)
## Summary
This PR stabilizes the behavior introduced in
https://github.com/astral-sh/ruff/pull/15985
The new behavior improves the inference of `str.strip` calls:
* before: The rule only considered calls on string or byte literals
(`"abcd".strip`)
* now: The rule also catches calls to `strip` on object where the type
is known to be a `str` or `bytes` (e.g. `a = "abc"; a.strip("//")`)
The new behavior shipped as part of Ruff 0.9.6 on the 10th of Feb which
is a little more than a month ago.
There have been now new issues or PRs related to the new behavior.
## Summary
This PR promotes the fix improvements for `PLR1714` that were introduced
in https://github.com/astral-sh/ruff/pull/14372/ to stable.
The improvement is that the fix now proposes to use a set if all
elements are hashable:
```
foo == "bar" or foo == "baz" or foo == "qux"
```
Gets fixed to
```py
foo in {"bar", "baz", "qux"}
```
where it previously always got fixed to a tuple.
The new fix was first released in ruff 0.8.0 (Nov last year). This is
not a breaking change. The change was preview gated only to get some
extra test coverage.
There are no open issues or PRs related to this changed fix behavior.
## Summary
This PR stabilizes the behavior changes introduced by
https://github.com/astral-sh/ruff/pull/13305 that were gated behind
preview.
The change is that `__new__` methods are now no longer flagged by
`invalid-first-argument-name-for-class-method` (`N804`) but instead by
`bad-staticmethod-argument` (`PLW0211`)
> __new__ methods are technically static methods, with cls as their
first argument. However, Ruff currently classifies them as classmethod,
which causes two issues:
## Test Plan
There have been no new issues or PRs related to `N804` or `PLW0211`
since the behavior change was released in Ruff 0.9.7 (about 3 weeks
ago).
This is a somewhat recent change but I don't think it's necessary to
leave this in preview for another 2 months. The main reason why it was
in preview
is that it is breaking, not because it is a risky change.
## Summary
This PR stabilizes the fix for `PYI018` introduced in
https://github.com/astral-sh/ruff/pull/15999/ (first released with Ruff
0.9.5 early February)
There are no known issues with the fix or open PRs.
## Summary
Deprecate `S320` because defusedxml has deprecated there `lxml` module
and `lxml` has been hardened since.
flake8-bandit has removed their implementation as well
(https://github.com/PyCQA/bandit/pull/1212).
Addresses https://github.com/astral-sh/ruff/issues/13707
## Test Plan
I verified that selecting `S320` prints a warning and fails if the
preview mode is enabled.
## Summary
This PR stabilizes the fixes improvements made in
https://github.com/astral-sh/ruff/pull/15562 (released with ruff 0.9.3
in mid January).
There's no open issue or PR related to the changed fix behavior.
This is not a breaking change. The fix was only gated behind preview to
get some more test coverage before releasing.
## Summary
This PR stabilizes the behavior change introduced in
https://github.com/astral-sh/ruff/pull/15872/
The diagnostic range is now the range of the redundant `mode` argument
where it previously was the range of the entire `open` call:
Before:
```
UP015.py:2:1: UP015 [*] Unnecessary mode argument
|
1 | open("foo", "U")
2 | open("foo", "Ur")
| ^^^^^^^^^^^^^^^^^ UP015
3 | open("foo", "Ub")
4 | open("foo", "rUb")
|
= help: Remove mode argument
```
Now:
```
UP015.py:2:13: UP015 [*] Unnecessary mode argument
|
1 | open("foo", "U")
2 | open("foo", "Ur")
| ^^^^ UP015
3 | open("foo", "Ub")
4 | open("foo", "rUb")
|
= help: Remove mode argument
```
This is a breaking change because it may require moving a `noqa` comment
onto a different line, e.g if you have
```py
open(
"foo",
"Ur",
) # noqa: UP015
```
Needs to be rewritten to
```py
open(
"foo",
"Ur", # noqa: UP015
)
```
There have been now new issues or PRs since the new preview behavior was
implemented. It first was released as part of Ruff 0.9.5 on the 5th of
Feb (a little more than a month ago)
## Test Plan
I reviewed the snapshot tests
## Summary
This PR stabilizes the preview behavior introduced in
https://github.com/astral-sh/ruff/pull/15719 to recognize all symbols
named `TYPE_CHECKING` as type-checking
checks in `if TYPE_CHECKING` conditions. This ensures compatibility with
mypy and pyright.
This PR also stabilizes the new behavior that removes `if 0:` and `if
False` to be no longer considered type checking blocks.
Since then, this syntax has been removed from the typing spec and was
only used for Python modules that don't have a `typing` module
([comment](https://github.com/astral-sh/ruff/pull/15719#issuecomment-2612787793)).
The preview behavior was first released with Ruff 0.9.5 (6th of
February), which was about a month ago. There are no open issues or PRs
for the changed behavior
## Test Plan
The snapshots for `SIM108` change because `SIM108` ignored type checking
blocks but it can no
simplify `if 0` or `if False` blocks again because they're no longer
considered type checking blocks.
The changes in the `TC005` snapshot or only due to that `if 0` and `if
False` are no longer recognized as type checking blocks
<!-- How was it tested? -->
## Summary
This PR stabilizes the preview behavior for `invalid-argument-name`
(`N803`)
to ignore argument names of functions decorated with `typing.override`
because
these methods are *out of the authors* control.
This behavior was introduced in
https://github.com/astral-sh/ruff/pull/15954
and released as part of Ruff 0.9.5 (6th of February).
There have been no new issues or PRs since this behavior change
(preview) was introduced.
## Summary
This PR stabilizes the preview behavior introduced in
https://github.com/astral-sh/ruff/pull/15905
The behavior change is that the rule now also recognizes `type(expr) is
type(None)` comparisons where `expr` isn't a name expression.
For example, the rule now detects `type(a.b) is type(None)` and suggests
rewriting the comparison to `a.b is None`.
The new behavior was introduced with Ruff 0.9.5 (6th of February), about
a month ago. There are no open issues or PRs related to this rule (or
behavior change).
## Summary
This PR stabilizes the new behavior introduced in
https://github.com/astral-sh/ruff/pull/14512 to also detect defalut
value arguemnts to `os.environ.get` that have an invalid type (not
`str`).
There's an upstream issue for this behavior change
https://github.com/pylint-dev/pylint/issues/10092 that was accepted and
a PR, but it hasn't been merged yet.
This behavior change was first shipped with Ruff 0.8.1 (Nov 22).
There has only be one PR since the new behavior was introduced but it
was unrelated to the scope increase
(https://github.com/astral-sh/ruff/pull/14841).
## Summary
This PR stabilizes the behavior change introduced in
https://github.com/astral-sh/ruff/pull/15542 to allow
for statements with an empty body in `pytest.raises` and `pytest.warns`
with statements.
This raised an error before but is now allowed:
```py
with pytest.raises(KeyError, match='unknown'):
async for _ in gpt.generate(gpt_request):
pass
```
The same applies to
```py
with pytest.raises(KeyError, match='unknown'):
async for _ in gpt.generate(gpt_request):
...
```
There have been now new issues or PRs related to PT012 or PT031 since
this behavior change was introduced in ruff 0.9.3 (January 23rd).
## Summary
This PR deprecates UP038. Using PEP 604 syntax in `isinstance` and
`issubclass` calls isn't a recommended pattern (or community agreed best
practice)
and it negatively impacts performance.
Resolves https://github.com/astral-sh/ruff/issues/7871
## Test Plan
I tested that selecting `UP038` results in a warning in no-preview mode
and an error in preview mode
Summary
--
Stabilizes TC006. The test was already in the right place.
Test Plan
--
No open issues or PRs. The last related [issue] was closed on
2025-02-09.
[issue]: https://github.com/astral-sh/ruff/issues/16037
Summary
--
Stabilizes S704, which is also being recoded from RUF035 in 0.10.
Test Plan
--
Existing tests with `PreviewMode` removed from the settings.
There was one issue closed on 2024-12-20 calling the rule noisy and
asking for a config option, but the option was added and then there were
no more issues or PRs.
Summary
--
Stabilizes DTZ901, renames the rule function to match the rule name,
removes the `preview_rules` test, and handles some nits in the docs
(mention `min` first to match the rule name too).
Test Plan
--
1 closed issue on 2024-11-12, 4 days after the rule was added. No issues
since
## Summary
Follow-up to #16677.
This change converts all unit tests (69 of them) in `noqa.rs` to use
inline snapshots instead. It extends the file by more than 1000 lines,
but the tests are now much easier to read and reason about.
## Test Plan
`cargo insta test`.
Summary
--
Stabilizes RUF041. The tests are already in the right place, and the
docs look good.
Test Plan
--
0 issues, 1 [PR] fixing nested literals and unions the day after the
rule was added. No changes since then
I wonder if the fix in that PR could be relevant for
https://github.com/astral-sh/ruff/pull/16639, where I noticed a
potential issue with `Union`. It could be unrelated, though.
[PR]: https://github.com/astral-sh/ruff/pull/14641
Summary
--
Stabilizes PTH210. Tests and docs looked good.
Test Plan
--
Mentioned in 1 open issue around Python 3.14 support (`"."` becomes a
valid suffix in 3.14). Otherwise no issues or PRs since 2024-12-12, 6
days after the rule was added.
## Summary
Follow-up to #16659.
This change adds tests for these three cases, which are (also) not
covered by existing tests:
* `# noqa: A` (lone incomplete code)
* `# noqa: A123, B` (complete codes, last one incomplete)
* `# noqa: A123B` (squashed codes, last one incomplete)
Summary
--
Stabilizes RUF051. The tests and docs looked good.
Test Plan
--
1 closed documentation issue from 4 days after the rule was added and 1
typo fix from the same day it was added, but no other issues or PRs.
Summary
--
Stabilizes LOG015. The tests and docs looked good.
Test Plan
--
1 closed documentation issue from 4 days after the rule was added, but
no other issues or PRs.
Summary
--
Stabilizes RUF048 and moves its test to the right place. The docs look
good.
Test Plan
--
0 closed or open issues. There was 1 [PR] related to an extension to the
rule, but it was closed without comment.
[PR]: https://github.com/astral-sh/ruff/pull/14701
Summary
--
Stabilizes RUF046 and moves its test to the right place. The docs look
good.
Test Plan
--
2 closed newline/whitespace issues from early January and 1 closed issue
about really being multiple rules, but otherwise no recent issues or
PRs.
# Summary
The goal of this PR is to address various issues around parsing
suppression comments by
1. Unifying the logic used to parse in-line (`# noqa`) and file-level
(`# ruff: noqa`) noqa comments
2. Recovering from certain errors and surfacing warnings in these cases
Closes#15682
Supersedes #12811
Addresses
https://github.com/astral-sh/ruff/pull/14229#discussion_r1835481018
Related: #14229 , #12809
## Summary
This PR changes the default value of
`lint.flake8-builtins.builtins-strict-checking` added in
https://github.com/astral-sh/ruff/pull/15951 from `true` to `false`.
This also allows simplifying the default option logic and removes the
dependence on preview mode.
https://github.com/astral-sh/ruff/issues/15399 was already closed by
#15951, but this change will finalize the behavior mentioned in
https://github.com/astral-sh/ruff/issues/15399#issuecomment-2587017147.
As an example, strict checking flags modules based on their last
component, so `utils/logging.py` triggers A005. Non-strict checking
checks the path to the module, so `utils/logging.py` is allowed (this is
the example and desired behavior from #15399 exactly) but a top-level
`logging.py` or `logging/__init__.py` is still disallowed.
## Test Plan
Existing tests from #15951 and #16006, with the snapshot updated in
`a005_module_shadowing_strict_default` to reflect the new default.
Summary
--
Stabilizes UP044, renames the module to match the rule name, and removes
the `PreviewMode` from the test settings.
Test Plan
--
2 closed issues in November, just after the rule was added, otherwise no
issues
Summary
--
Stabilizes SIM905 and adds a small addition to the docs. The test was
already in the right place.
Test Plan
--
No issues except 2 recent, general issues about whitespace
normalization.
## Summary
This PR stabilizes several preview-only behaviours for
`custom-typevar-for-self` (`PYI019`). Namely:
- A new, more accurate technique is now employed for detecting custom
TypeVars that are replaceable with `Self`. See
https://github.com/astral-sh/ruff/pull/15888 for details.
- The range of the diagnostic is now the full function header rather
than just the return annotation. (Previously, the rule only applied to
methods with return annotations, but this is no longer true due to the
changes in the first bullet point.)
- The fix is now available even when preview mode is not enabled.
## Test Plan
- Existing snapshots that do not have preview mode enabled are updated
- Preview-specific snapshots are removed
- I'll check the ecosystem report on this PR to verify everything's as
expected
Summary
--
Stabilizes PLC1802. The tests were already in the right place, and I
just tidied the docs a little bit.
Test Plan
--
1 issue closed 4 days after the rule was added, no other issues
Summary
--
Stabilizes PLW1507. The tests were already in the right place, and I
just tidied the docs a little bit.
Test Plan
--
1 issue from 2 weeks ago but just suggesting to mark the fix unsafe. The
shallow vs deep copy *does* change the program behavior, just usually in
a preferable way.
## Summary
Stabilizes FAST003, completing the group with FAST001 and FAST002.
## Test Plan
Last bug fix (false positive) was fixed on 2025-01-13, almost 2 months
ago.
The test case was already in the right place.
## Summary
Stabilizes C420 for the 0.10 release.
## Test Plan
No open issues or PRs (except a general issue about [string
normalization](https://github.com/astral-sh/ruff/issues/16579)). The
last (and only) false-negative bug fix was over a month ago.
The tests for this rule were already not on the `preview_rules` test, so
I just changed the `RuleGroup`. The documentation looked okay to me.
## Summary
Resolves#15368.
The following options have been renamed:
* `builtins-allowed-modules` → `allowed-modules`
* `builtins-ignorelist` → `ignorelist`
* `builtins-strict-checking` → `strict-checking`
To preserve compatibility, the old names are kept as Serde aliases.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
`RUF035` has been backported into bandit as `S704` in this
[PR](https://github.com/PyCQA/bandit/pull/1225)
This moves the rule and its corresponding setting to the `flake8-bandit`
category
## Test Plan
`cargo nextest run`
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
This came up in https://github.com/astral-sh/ruff/issues/16477
It's not obvious from the D417 rule's documentation that it only checks
docstrings
with an arguments section. Functions without such a section aren't
checked.
This PR tries to make this clearer in the documentation.
Summary
--
This is a follow up addressing the comments on #16425. As @dhruvmanila
pointed out, the naming is a bit tricky. I went with `has_no_errors` to
try to differentiate it from `is_valid`. It actually ends up negated in
most uses, so it would be more convenient to have `has_any_errors` or
`has_errors`, but I thought it would sound too much like the opposite of
`is_valid` in that case. I'm definitely open to suggestions here.
Test Plan
--
Existing tests.
## Summary
Resolves#16445.
`UP028` is now no longer always fixable: it will not offer a fix when at
least one `ExprName` target is bound to either a `global` or a
`nonlocal` declaration.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
Fixes#9381. This PR fixes errors like
```
Cause: error parsing glob '/Users/me/project/{{cookiecutter.project_dirname}}/__pycache__': nested alternate groups are not allowed
```
caused by glob special characters in filenames like
`{{cookiecutter.project_dirname}}`. When the user is matching that
directory exactly, they can use the workaround given by
https://github.com/astral-sh/ruff/issues/7959#issuecomment-1764751734,
but that doesn't work for a nested config file with relative paths. For
example, the directory tree in the reproduction repo linked
[here](https://github.com/astral-sh/ruff/issues/9381#issuecomment-2677696408):
```
.
├── README.md
├── hello.py
├── pyproject.toml
├── uv.lock
└── {{cookiecutter.repo_name}}
├── main.py
├── pyproject.toml
└── tests
└── maintest.py
```
where the inner `pyproject.toml` contains a relative glob:
```toml
[tool.ruff.lint.per-file-ignores]
"tests/*" = ["F811"]
```
## Test Plan
A new CLI test in both the linter and formatter. The formatter test may
not be necessary because I didn't have to modify any additional code to
pass it, but the original report mentioned both `check` and `format`, so
I wanted to be sure both were fixed.
The PR addresses issue #16396 .
Specifically:
- If the exit statement contains a code keyword argument, it is
converted into a positional argument.
- If retrieving the code from the exit statement is not possible, a
violation is raised without suggesting a fix.
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
Split from F841 following discussion in #8884.
Fixes#8884.
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Add a new rule for unused assignments in tuples. Remove similar behavior
from F841.
## Test Plan
Adapt F841 tests and move them over to the new rule.
<!-- How was it tested? -->
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Resolves#16374.
`PLW0177` now also reports the pattern of a case branch if it is an
attribute access whose qualified name is that of either `np.nan` or
`math.nan`.
As the rule is in preview, the changes are not preview-gated.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
This PR builds on the changes in #16220 to pass a target Python version
to the parser. It also adds the `Parser::unsupported_syntax_errors` field, which
collects version-related syntax errors while parsing. These syntax
errors are then turned into `Message`s in ruff (in preview mode).
This PR only detects one syntax error (`match` statement before Python
3.10), but it has been pretty quick to extend to several other simple
errors (see #16308 for example).
## Test Plan
The current tests are CLI tests in the linter crate, but these could be
supplemented with inline parser tests after #16357.
I also tested the display of these syntax errors in VS Code:
---------
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>
I am working on a project that uses ruff linters' docs to generate a
fine-tuning dataset for LLMs.
To achieve this, I first ran the command `ruff rule --all
--output-format json` to retrieve all the rules. Then, I parsed the
explanation field to get these 3 consistent sections:
- `Why is this bad?`
- `What it does`
- `Example`
However, during the initial processing, I noticed that the markdown
headings are not that consistent. For instance:
- In most cases, `Use instead` appears as a normal paragraph within the
`Example` section, but in the file
`crates/ruff_linter/src/rules/flake8_bandit/rules/django_extra.rs` it is
a level-2 heading
- The heading "What it does**?**" is used in some places, while others
consistently use "What it does"
- There are 831 `Example` headings and 65 `Examples`. But all of them
only have one example case
This PR normalized these across all rules.
## Test Plan
CI are passed.
## Summary
This PR is another step in preparing to detect syntax errors in the
parser. It introduces the new `per-file-target-version` top-level
configuration option, which holds a mapping of compiled glob patterns to
Python versions. I intend to use the
`LinterSettings::resolve_target_version` method here to pass to the
parser:
f50849aeef/crates/ruff_linter/src/linter.rs (L491-L493)
## Test Plan
I added two new CLI tests to show that the `per-file-target-version` is
respected in both the formatter and the linter.
## Summary
* Existing example did not include RawSQL() call like it should
* Also clarify the example a bit to make it clearer that the code is not
secure
## Test Plan
N/A, only documentation updated
## Summary
Resolves 3/4 requests in #16217:
- ✅ Remove not special methods: `__cmp__`, `__div__`, `__nonzero__`, and
`__unicode__`.
- ✅ Add special methods: `__next__`, `__buffer__`, `__class_getitem__`,
`__mro_entries__`, `__release_buffer__`, and `__subclasshook__`.
- ✅ Support positional-only arguments.
- ❌ Add support for module functions `__dir__` and `__getattr__`. As
mentioned in the issue the check is scoped for methods rather than
module functions. I am hesitant to expand the scope of this check
without a discussion.
## Test Plan
- Manually confirmed each example file from the issue functioned as
expected.
- Ran cargo nextest to ensure `unexpected_special_method_signature` test
still passed.
Fixes#16217.
## Summary
This is part of the preparation for detecting syntax errors in the
parser from https://github.com/astral-sh/ruff/pull/16090/. As suggested
in [this
comment](https://github.com/astral-sh/ruff/pull/16090/#discussion_r1953084509),
I started working on a `ParseOptions` struct that could be stored in the
parser. For this initial refactor, I only made it hold the existing
`Mode` option, but for syntax errors, we will also need it to have a
`PythonVersion`. For that use case, I'm picturing something like a
`ParseOptions::with_python_version` method, so you can extend the
current calls to something like
```rust
ParseOptions::from(mode).with_python_version(settings.target_version)
```
But I thought it was worth adding `ParseOptions` alone without changing
any other behavior first.
Most of the diff is just updating call sites taking `Mode` to take
`ParseOptions::from(Mode)` or those taking `PySourceType`s to take
`ParseOptions::from(PySourceType)`. The interesting changes are in the
new `parser/options.rs` file and smaller parts of `parser/mod.rs` and
`ruff_python_parser/src/lib.rs`.
## Test Plan
Existing tests, this should not change any behavior.
## Summary
Move class attribute (property, methods, variables) related cases in
AIR302_names to AIR302_class_attribute
## Test Plan
No functionality change. Test fixture is reogranized
Fixes false negative when slice bound uses length of string literal.
We were meant to check the following, for example. Given:
```python
text[:bound] if text.endswith(suffix) else text
```
We want to know whether:
- `suffix` is a string literal and `bound` is a number literal
- `suffix` is an expression and `bound` is
exactly `-len(suffix)` (as AST nodes, prior to evaluation.)
The issue is that negative number literals like `-10` are stored as
unary operators applied to a number literal in the AST. So when `suffix`
was a string literal but `bound` was `-len(suffix)` we were getting
caught in the match arm where `bound` needed to be a number. This is now
fixed with a guard.
Closes#16231
## Summary
This PR updates the formatter and linter to use the `PythonVersion`
struct from the `ruff_python_ast` crate internally. While this doesn't
remove the need for the `linter::PythonVersion` enum, it does remove the
`formatter::PythonVersion` enum and limits the use in the linter to
deserializing from CLI arguments and config files and moves most of the
remaining methods to the `ast::PythonVersion` struct.
## Test Plan
Existing tests, with some inputs and outputs updated to reflect the new
(de)serialization format. I think these are test-specific and shouldn't
affect any external (de)serialization.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
Separate ImportPathMoved and ProviderName to avoid misusing (AIR303)
## Test Plan
only code arrangement is updated. existing test fixture should be not be
changed
## Summary
This PR makes the following changes:
- It adjusts various callsites to use the new
`ast::StringLiteral::contents_range()` method that was introduced in
https://github.com/astral-sh/ruff/pull/16183. This is less verbose and
more type-safe than using the `ast::str::raw_contents()` helper
function.
- It adds a new `ast::ExprStringLiteral::as_unconcatenated_literal()`
helper method, and adjusts various callsites to use it. This addresses
@MichaReiser's review comment at
https://github.com/astral-sh/ruff/pull/16183#discussion_r1957334365.
There is no functional change here, but it helps readability to make it
clearer that we're differentiating between implicitly concatenated
strings and unconcatenated strings at various points.
- It renames the `StringLiteralValue::flags()` method to
`StringLiteralFlags::first_literal_flags()`. If you're dealing with an
implicitly concatenated string `string_node`,
`string_node.value.flags().closer_len()` could give an incorrect result;
this renaming makes it clearer that the `StringLiteralFlags` instance
returned by the method is only guaranteed to give accurate information
for the first `StringLiteral` contained in the `ExprStringLiteral` node.
- It deletes the unused `BytesLiteralValue::flags()` method. This seems
prone to misuse in the same way as `StringLiteralValue::flags()`: if
it's an implicitly concatenated bytestring, the `BytesLiteralFlags`
instance returned by the method would only give accurate information for
the first `BytesLiteral` in the bytestring.
## Test Plan
`cargo test`
On `main` we warn the user if there is an invalid noqa comment[^1] and
at least one of the following holds:
- There is at least one diagnostic
- A lint rule related to `noqa`s is enabled (e.g. `RUF100`)
This is probably strange behavior from the point of view of the user, so
we now show invalid `noqa`s even when there are no diagnostics.
Closes#12831
[^1]: For the current definition of "invalid noqa comment", which may be
expanded in #12811 . This PR is independent of loc. cit. in the sense
that the CLI warnings should be consistent, regardless of which `noqa`
comments are considered invalid.
## Summary
Fixes#16189.
Only `sys.breakpointhook` is flagged by the upstream linter:
007a745c86/pylint/checkers/stdlib.py (L38)
but I think it makes sense to flag
[`__breakpointhook__`](https://docs.python.org/3/library/sys.html#sys.__breakpointhook__)
too, as suggested in the issue because it
> contain[s] the original value of breakpointhook [...] in case [it
happens] to get replaced with broken or alternative objects.
## Test Plan
New T100 test cases
## Summary
Provides documentation about the FIPS compliant flag for Python hashlib
`usedforsecurity`
Fixes#16188
## Test Plan
* pre-commit hooks
---------
Co-authored-by: Brent Westbrook <36778786+ntBre@users.noreply.github.com>
## Summary
Added checks for subscript expressions on builtin classes as in FURB189.
The object is changed to use the collections objects and the types from
the subscript are kept.
Resolves#16130
> Note: Added some comments in the code explaining why
## Test Plan
- Added a subscript dict and list class to the test file.
- Tested locally to check that the symbols are changed and the types are
kept.
- No modifications changed on optional `str` values.
## Summary
This change begins to resolve#16071 by moving the `OperatorPrecedence`
structs from the `ruff_python_linter` crate into `ruff_python_ast`. This
PR also implements `precedence()` methods on the `Expr` and `ExprRef`
enums.
## Test Plan
Since this change mainly shifts existing logic, I didn't add any
additional tests. Existing tests do pass.
## Summary
Resolves#15859.
The rule now adds parentheses if the original call wraps an unary
expression and is:
* The left-hand side of a binary expression where the operator is `**`.
* The caller of a call expression.
* The subscripted of a subscript expression.
* The object of an attribute access.
The fix will also be marked as unsafe if there are any comments in its
range.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
Resolves#13294, follow-up to #13882.
At #13882, it was concluded that a fix should not be offered for raw
strings. This change implements that. The five rules in question are now
no longer always fixable.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Follow-up to https://github.com/astral-sh/ruff/pull/15951 to update
* the options links in A005 to reference
`lint.flake8-builtins.builtins-strict-checking`
* the description of the rule to explain strict vs non-strict checking
* the option documentation to point back to the rule
The PR addresses the issue #16040 .
---
The logic used into the rule is the following:
Suppose to have an expression of the form
```python
if a cmp b:
c = d
```
where `a`,` b`, `c` and `d` are Python obj and `cmp` one of `<`, `>`,
`<=`, `>=`.
Then:
- `if a=c and b=d`
- if `<=` fix with `a = max(b, a)`
- if `>=` fix with `a = min(b, a)`
- if `>` fix with `a = min(a, b)`
- if `<` fix with `a = max(a, b)`
- `if a=d and b=c`
- if `<=` fix with `b = min(a, b)`
- if `>=` fix with `b = max(a, b)`
- if `>` fix with `b = max(b, a)`
- if `<` fix with `b = min(b, a)`
- do nothing, i.e., we cannot fix this case.
---
In total we have 8 different and possible cases.
```
| Case | Expression | Fix |
|-------|------------------|---------------|
| 1 | if a >= b: a = b | a = min(b, a) |
| 2 | if a <= b: a = b | a = max(b, a) |
| 3 | if a <= b: b = a | b = min(a, b) |
| 4 | if a >= b: b = a | b = max(a, b) |
| 5 | if a > b: a = b | a = min(a, b) |
| 6 | if a < b: a = b | a = max(a, b) |
| 7 | if a < b: b = a | b = min(b, a) |
| 8 | if a > b: b = a | b = max(b, a) |
```
I added them in the tests.
Please double-check that I didn't make any mistakes. It's quite easy to
mix up > and <.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
* fix ImportPathMoved / ProviderName misuse
* oncrete names, such as `["airflow", "config_templates",
"default_celery", "DEFAULT_CELERY_CONFIG"]`, should use `ProviderName`.
In contrast, module paths like `"airflow", "operators", "weekday", ...`
should use `ImportPathMoved`. Misuse may lead to incorrect detection.
## Test Plan
update test fixture
## Summary
Fixes#16007. The logic from the last fix for this (#9427) was
sufficient, it just wasn't being applied because `Attributes` sections
aren't expected to have nested sections. I just deleted the outer
conditional, which should hopefully fix this for all section types.
## Test Plan
New regression test, plus the existing D417 tests.
## Summary
Resolves#16082.
`UP036` will now also take into consideration whether or not a micro
version number is set:
* If a third element doesn't exist, the existing logic is preserved.
* If it exists but is not an integer literal, the check will not be
reported.
* If it is an integer literal but doesn't fit into a `u8`, the check
will be reported as invalid.
* Otherwise, the compared version is determined to always be less than
the target version when:
* The target's minor version is smaller than that of the comparator, or
* The operator is `<`, the micro version is 0, and the two minor
versions compare equal.
As this is considered a bugfix, it is not preview-gated.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
The index in subscript access like `d[*y]` will not be linted or
autofixed with parentheses, even when
`lint.ruff.parenthesize-tuple-in-subscript = true`.
Closes#16077
This PR resolved#15772
Before PR:
```
def _(
this_is_fine: int = f(), # No error
this_is_not: list[int] = f() # B008: Do not perform function call `f` in argument defaults
): ...
@dataclass
class _:
this_is_not_fine: list[int] = f() # RUF009: Do not perform function call `f` in dataclass defaults
this_is_also_not: int = f() # RUF009: Do not perform function call `f` in dataclass defaults
```
After PR:
```
def _(
this_is_fine: int = f(), # No error
this_is_not: list[int] = f() # B008: Do not perform function call `f` in argument defaults
): ...
@dataclass
class _:
this_is_not_fine: list[int] = f() # RUF009: Do not perform function call `f` in dataclass defaults
this_is_fine: int = f()
```
## Summary
Follow-up to #15984.
Previously, `PLE1310` would only report when the object is a literal:
```python
'a'.strip('//') # error
foo = ''
foo.strip('//') # no error
```
After this change, objects whose type can be inferred to be either `str`
or `bytes` will also be reported in preview.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
This PR adds the configuration option
`lint.flake8-builtins.builtins-strict-checking`, which is used in A005
to determine whether the fully-qualified module name (relative to the
project root or source directories) should be checked instead of just
the final component as is currently the case.
As discussed in
https://github.com/astral-sh/ruff/issues/15399#issuecomment-2587017147,
the default value of the new option is `false` on preview, so modules
like `utils.logging` from the initial report are no longer flagged by
default. For non-preview the default is still strict checking.
## Test Plan
New A005 test module with the structure reported in #15399.
Fixes#15399
## Summary
Resolves#12321.
The physical-line-based `RUF054` checks for form feed characters that
are preceded by only tabs and spaces, but not any other characters,
including form feeds.
## Test Plan
`cargo nextest run` and `cargo insta test`.
Fixes#16024
## Summary
This PR adds proper isolation for `UP049` fixes so that two type
parameters are not renamed to the same name, which would introduce
invalid syntax. E.g. for this:
```py
class Foo[_T, __T]: ...
```
we cannot apply two autofixes to the class, as that would produce
invalid syntax -- this:
```py
class Foo[T, T]: ...
```
The "isolation" here means that Ruff won't apply more than one fix to
the same type-parameter list in a single iteration of the loop it does
to apply all autofixes. This means that after the first autofix has been
done, the semantic model will have recalculated which variables are
available in the scope, meaning that the diagnostic for the second
parameter will be deemed unfixable since it collides with an existing
name in the same scope (the name we autofixed the first parameter to in
an earlier iteration of the autofix loop).
Cc. @ntBre, for interest!
## Test Plan
I added an integration test that reproduces the bug on `main`.
When suggesting a return type as a union in Python <=3.9, we now avoid a
`TypeError` by correctly suggesting syntax like `Union[int,str,None]`
instead of `Union[int | str | None]`.
## Summary
Follow-up to #16026.
Previously, the fix for this would be marked as unsafe, even though all
comments are preserved:
```python
# .pyi
T: TypeAlias = ( # Comment
int | str
)
```
Now it is safe: comments within the parenthesized range no longer affect
applicability.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Dylan <53534755+dylwil3@users.noreply.github.com>
## Summary
Resolves#15968.
Previously, these would be considered violations:
```python
b''.strip('//')
''.lstrip('//', foo = "bar")
```
...while these are not:
```python
b''.strip(b'//')
''.strip('\\b\\x08')
```
Ruff will now not report when the types of the object and that of the
argument mismatch, or when there are extra arguments.
## Test Plan
`cargo nextest run` and `cargo insta test`.
See #15951 for the original discussion and reviews. This is just the
first half of that PR (reaching parity with `flake8-builtins` without
adding any new configuration options) split out for nicer changelog
entries.
For posterity, here's a script for generating the module structure that
was useful for interactive testing and creating the table
[here](https://github.com/astral-sh/ruff/pull/15951#issuecomment-2640662041).
The results for this branch are the same as the `Strict` column there,
as expected.
```shell
mkdir abc collections foobar urlparse
for i in */
do
touch $i/__init__.py
done
cp -r abc foobar collections/.
cp -r abc collections foobar/.
touch ruff.toml
touch foobar/logging.py
```
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
This very large PR changes the field `.diagnostics` in the `Checker`
from a `Vec<Diagnostic>` to a `RefCell<Vec<Diagnostic>>`, adds methods
to push new diagnostics to this cell, and then removes unnecessary
mutability throughout all of our lint rule implementations.
Consequently, the compiler may now enforce what was, till now, the
_convention_ that the only changes to the `Checker` that can happen
during a lint are the addition of diagnostics[^1].
The PR is best reviewed commit-by-commit. I have tried to keep the large
commits limited to "bulk actions that you can easily see are performing
the same find/replace on a large number of files", and separate anything
ad-hoc or with larger diffs. Please let me know if there's anything else
I can do to make this easier to review!
Many thanks to [`ast-grep`](https://github.com/ast-grep/ast-grep),
[`helix`](https://github.com/helix-editor/helix), and good ol'
fashioned`git` magic, without which this PR would have taken the rest of
my natural life.
[^1]: And randomly also the seen variables violating `flake8-bugbear`?
## Summary
Part of #15809 and #15876.
This change brings several bugfixes:
* The nested `map()` call in `list(map(lambda x: x, []))` where `list`
is overshadowed is now correctly reported.
* The call will no longer reported if:
* Any arguments given to `map()` are variadic.
* Any of the iterables contain a named expression.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
This change resolves#15814 to ensure that `SIM401` is only triggered on
known dictionary types. Before, the rule was getting triggered even on
types that _resemble_ a dictionary but are not actually a dictionary.
I did this using the `is_known_to_be_of_type_dict(...)` functionality.
The logic for this function was duplicated in a few spots, so I moved
the code to a central location, removed redundant definitions, and
updated existing calls to use the single definition of the function!
## Test Plan
Since this PR only modifies an existing rule, I made changes to the
existing test instead of adding new ones. I made sure that `SIM401` is
triggered on types that are clearly dictionaries and that it's not
triggered on a simple custom dictionary-like type (using a modified
version of [the code in the issue](#15814))
The additional changes to de-duplicate `is_known_to_be_of_type_dict`
don't break any existing tests -- I think this should be fine since the
logic remains the same (please let me know if you think otherwise, I'm
excited to get feedback and work towards a good fix 🙂).
---------
Co-authored-by: Junhson Jean-Baptiste <junhsonjb@naan.mynetworksettings.com>
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Resolves#15997.
Ruff used to introduce syntax errors while fixing these cases, but no
longer will:
```python
{"a": [], **{},}
# ^^^^ Removed, leaving two contiguous commas
{"a": [], **({})}
# ^^^^^ Removed, leaving a stray closing parentheses
```
Previously, the function would take a shortcut if the unpacked
dictionary is empty; now, both cases are handled using the same logic
introduced in #15394. This change slightly modifies that logic to also
remove the first comma following the dictionary, if and only if it is
empty.
## Test Plan
`cargo nextest run` and `cargo insta test`.
Closes#15681
## Summary
This changes `analyze::typing::is_type_checking_block` to recognize all
symbols named "TYPE_CHECKING".
This matches the current behavior of mypy and pyright as well as
`flake8-type-checking`.
It also drops support for detecting `if False:` and `if 0:` as type
checking blocks. This used to be an option for
providing backwards compatibility with Python versions that did not have
a `typing` module, but has since
been removed from the typing spec and is no longer supported by any of
the mainstream type checkers.
## Test Plan
`cargo nextest run`
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Minor docs follow-up to #15862 to mention UP049 in the UP046 and UP047
`See also` sections. I wanted to mention it in UP040 too but realized it
didn't have a `See also` section, so I also added that, adapted from the
other two rules.
## Test Plan
cargo test
## Summary
The PR addresses the issue #15887
For two objects `a` and `b`, we ensure that the auto-fix and the
suggestion is of the form `a = min(a, b)` (or `a = max(a, b)`). This is
because we want to be consistent with the python implementation of the
methods: `min` and `max`. See the above issue for more details.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Resolves#15936.
The fixes will now attempt to preserve the original iterable's format
and quote it if necessary. For `FURB142`, comments within the fix range
will make it unsafe as well.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
Resolves#15863.
In preview, diagnostic ranges will now be limited to that of the
argument. Rule documentation, variable names, error messages and fix
titles have all been modified to use "argument" consistently.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
Resolves#15925.
`N803` now checks for functions instead of parameters. In preview mode,
if a method is decorated with `@override` and the current scope is that
of a class, it will be ignored.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
Follow-up to #15779.
Prior to this change, non-name expressions are not reported at all:
```python
type(a.b) is type(None) # no error
```
This change enhances the rule so that such cases are also reported in
preview. Additionally:
* The fix will now be marked as unsafe if there are any comments within
its range.
* Error messages are slightly modified.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
This is a new rule to implement the renaming of PEP 695 type parameters
with leading underscores after they have (presumably) been converted
from standalone type variables by either UP046 or UP047. Part of #15642.
I'm not 100% sure the fix is always safe, but I haven't come up with any
counterexamples yet. `Renamer` seems pretty precise, so I don't think
the usual issues with comments apply.
I initially tried writing this as a rule that receives a `Stmt` rather
than a `Binding`, but in that case the
`checker.semantic().current_scope()` was the global scope, rather than
the scope of the type parameters as I needed. Most of the other rules
using `Renamer` also used `Binding`s, but it does have the downside of
offering separate diagnostics for each parameter to rename.
## Test Plan
New snapshot tests for UP049 alone and the combination of UP046, UP049,
and PYI018.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
This is a follow-up to #15726, #15778, and #15794 to preserve the triple
quote and prefix flags in plain strings, bytestrings, and f-strings.
I also added a `StringLiteralFlags::without_triple_quotes` method to
avoid passing along triple quotes in rules like SIM905 where it might
not make sense, as discussed
[here](https://github.com/astral-sh/ruff/pull/15726#discussion_r1930532426).
## Test Plan
Existing tests, plus many new cases in the `generator::tests::quote`
test that should cover all combinations of quotes and prefixes, at least
for simple string bodies.
Closes#7799 when combined with #15694, #15726, #15778, and #15794.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
Extend AIR302 with
* `airflow.operators.bash.BashOperator →
airflow.providers.standard.operators.bash.BashOperator`
* change existing rules `airflow.operators.bash_operator.BashOperator →
airflow.operators.bash.BashOperator` to
`airflow.operators.bash_operator.BashOperator →
airflow.providers.standard.operators.bash.BashOperator`
## Test Plan
a test fixture has been updated
## Summary
Given the following code:
```python
set(([x for x in range(5)]))
```
the current implementation of C403 results in
```python
{(x for x in range(5))}
```
which is a set containing a generator rather than the result of the
generator.
This change removes the extraneous parentheses so that the resulting
code is:
```python
{x for x in range(5)}
```
## Test Plan
`cargo nextest run` and `cargo insta test`
## Summary
This is a follow-up to #15565, tracked in #15642, to reuse the string
replacement logic from the other PEP 695 rules instead of the
`Generator`, which has the benefit of preserving more comments. However,
comments in some places are still dropped, so I added a check for this
and update the fix safety accordingly. I also added a `## Fix safety`
section to the docs to reflect this and the existing `isinstance`
caveat.
## Test Plan
Existing UP040 tests, plus some new cases.
## Summary
Resolves#10063 and follow-up to #15521.
The fix is now marked as unsafe if there are any comments within its
range. Tests are adapted from that of #15521.
## Test Plan
`cargo nextest run` and `cargo insta test`.
Both `list` and `dict` expect only a single positional argument. Giving
more positional arguments, or a keyword argument, is a `TypeError` and
neither the lint rule nor its fix make sense in that context.
Closes#15810
## Summary
Fixes https://github.com/astral-sh/ruff/issues/15812 by visiting the
second argument as a type definition.
## Test Plan
New F401 tests based on the report.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
Builtin bindings are given a range of `0..0`, which causes strange
behavior when range checks are made at the top of the file. In this
case, the logic of the rule demands that the value of the dict
comprehension is not self-referential (i.e. it does not contain
definitions for any of the variables used within it). This logic was
confused by builtins which looked like they were defined "in the
comprehension", if the comprehension appeared at the top of the file.
Closes#15830
If there is any `ParenthesizedWhitespace` (in the sense of LibCST) after
the function name `sorted` and before the arguments, then we must wrap
`sorted` with parentheses after removing the surrounding function.
Closes#15789
This PR uses the tokens of the parsed annotation available in the
`Checker`, instead of re-lexing (using `SimpleTokenizer`) the
annotation. This avoids some limitations of the `SimpleTokenizer`, such
as not being able to handle number and string literals.
Closes#15816 .
## Summary
Permits suspicious imports (the `S4` namespaced diagnostics) from stub
files.
Closes#15207.
## Test Plan
Added tests and ran `cargo nextest run`. The test files are copied from
the `.py` variants.
## Summary
This is another follow-up to #15726 and #15778, extending the
quote-preserving behavior to f-strings and deleting the now-unused
`Generator::quote` field.
## Details
I also made one unrelated change to `rules/flynt/helpers.rs` to remove a
`to_string` call for making a `Box<str>` and tweaked some arguments to
some of the `Generator::unparse_f_string` methods to make the code
easier to follow, in my opinion. Happy to revert especially the latter
of these if needed.
Unfortunately this still does not fix the issue in #9660, which appears
to be more of an escaping issue than a quote-preservation issue. After
#15726, the result is now `a = f'# {"".join([])}' if 1 else ""` instead
of `a = f"# {''.join([])}" if 1 else ""` (single quotes on the outside
now), but we still don't have the desired behavior of double quotes
everywhere on Python 3.12+. I added a test for this but split it off
into another branch since it ended up being unaddressed here, but my
`dbg!` statements showed the correct preferred quotes going into
[`UnicodeEscape::with_preferred_quote`](https://github.com/astral-sh/ruff/blob/main/crates/ruff_python_literal/src/escape.rs#L54).
## Test Plan
Existing rule and `Generator` tests.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
Implements some of #14738, by adding support for 6 new patterns:
```py
re.search("abc", s) is None # ⇒ "abc" not in s
re.search("abc", s) is not None # ⇒ "abc" in s
re.match("abc", s) is None # ⇒ not s.startswith("abc")
re.match("abc", s) is not None # ⇒ s.startswith("abc")
re.fullmatch("abc", s) is None # ⇒ s != "abc"
re.fullmatch("abc", s) is not None # ⇒ s == "abc"
```
## Test Plan
```shell
cargo nextest run
cargo insta review
```
And ran the fix on my startup's repo.
## Note
One minor limitation here:
```py
if not re.match('abc', s) is None:
pass
```
will get fixed to this (technically correct, just not nice):
```py
if not not s.startswith('abc'):
pass
```
This seems fine given that Ruff has this covered: the initial code
should be caught by
[E714](https://docs.astral.sh/ruff/rules/not-is-test/) and the fixed
code should be caught by
[SIM208](https://docs.astral.sh/ruff/rules/double-negation/).
## Summary
Resolves#12717.
This change incorporates the logic added in #15588.
## Test Plan
`cargo nextest run` and `cargo insta test`.
---------
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
## Summary
This is a very closely related follow-up to #15726, adding the same
quote-preserving behavior to bytestrings. Only one rule (UP018) was
affected this time, and it was easy to mirror the plain string changes.
## Test Plan
Existing tests
## Summary
This is a first step toward fixing #7799 by using the quoting style
stored in the `flags` field on `ast::StringLiteral`s to select a quoting
style. This PR does not include support for f-strings or byte strings.
Several rules also needed small updates to pass along existing quoting
styles instead of using `StringLiteralFlags::default()`. The remaining
snapshot changes are intentional and should preserve the quotes from the
input strings.
## Test Plan
Existing tests with some accepted updates, plus a few new RUF055 tests
for raw strings.
---------
Co-authored-by: Alex Waygood <alex.waygood@gmail.com>
## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
* feat
* add is_execute_method_inherits_from_airflow_operator for checking the
removed context key in the execute method
* refactor: rename
* is_airflow_task as is_airflow_task_function_def
* in_airflow_task as in_airflow_task_function_def
* removed_in_3 as airflow_3_removal_expr
* removed_in_3_function_def as airflow_3_removal_function_def
* test:
* reorganize test cases
## Test Plan
a test fixture has been updated
---------
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
**Summary**
Airflow 3.0 removes a set of deprecated context variables that were
phased out in 2.x. This PR introduces lint rules to detect usage of
these removed variables in various patterns, helping identify
incompatibilities. The removed context variables include:
```
conf
execution_date
next_ds
next_ds_nodash
next_execution_date
prev_ds
prev_ds_nodash
prev_execution_date
prev_execution_date_success
tomorrow_ds
yesterday_ds
yesterday_ds_nodash
```
**Detected Patterns and Examples**
The linter now flags the use of removed context variables in the
following scenarios:
1. **Direct Subscript Access**
```python
execution_date = context["execution_date"] # Flagged
```
2. **`.get("key")` Method Calls**
```python
print(context.get("execution_date")) # Flagged
```
3. **Variables Assigned from `get_current_context()`**
If a variable is assigned from `get_current_context()` and then used to
access a removed key:
```python
c = get_current_context()
print(c.get("execution_date")) # Flagged
```
4. **Function Parameters in `@task`-Decorated Functions**
Parameters named after removed context variables in functions decorated
with `@task` are flagged:
```python
from airflow.decorators import task
@task
def my_task(execution_date, **kwargs): # Parameter 'execution_date'
flagged
pass
```
5. **Removed Keys in Task Decorator `kwargs` and Other Scenarios**
Other similar patterns where removed context variables appear (e.g., as
part of `kwargs` in a `@task` function) are also detected.
```
from airflow.decorators import task
@task
def process_with_execution_date(**context):
execution_date = lambda: context["execution_date"] # flagged
print(execution_date)
@task(kwargs={"execution_date": "2021-01-01"}) # flagged
def task_with_kwargs(**context):
pass
```
**Test Plan**
Test fixtures covering various patterns of deprecated context usage are
included in this PR. For example:
```python
from airflow.decorators import task, dag, get_current_context
from airflow.models import DAG
from airflow.operators.dummy import DummyOperator
import pendulum
from datetime import datetime
@task
def access_invalid_key_task(**context):
print(context.get("conf")) # 'conf' flagged
@task
def print_config(**context):
execution_date = context["execution_date"] # Flagged
prev_ds = context["prev_ds"] # Flagged
@task
def from_current_context():
context = get_current_context()
print(context["execution_date"]) # Flagged
# Usage outside of a task decorated function
c = get_current_context()
print(c.get("execution_date")) # Flagged
@task
def some_task(execution_date, **kwargs):
print("execution date", execution_date) # Parameter flagged
@dag(
start_date=pendulum.datetime(2021, 1, 1, tz="UTC")
)
def my_dag():
task1 = DummyOperator(
task_id="task1",
params={
"execution_date": "{{ execution_date }}", # Flagged in template context
},
)
access_invalid_key_task()
print_config()
from_current_context()
dag = my_dag()
class CustomOperator(BaseOperator):
def execute(self, context):
execution_date = context.get("execution_date") # Flagged
next_ds = context.get("next_ds") # Flagged
next_execution_date = context["next_execution_date"] # Flagged
```
Ruff will emit `AIR302` diagnostics for each deprecated usage, with
suggestions when applicable, aiding in code migration to Airflow 3.0.
related: https://github.com/apache/airflow/issues/44409,
https://github.com/apache/airflow/issues/41641
---------
Co-authored-by: Wei Lee <weilee.rx@gmail.com>
## Summary
Fixes#9663 and also improves the fixes for
[RUF055](https://docs.astral.sh/ruff/rules/unnecessary-regular-expression/)
since regular expressions are often written as raw strings.
This doesn't include raw f-strings.
## Test Plan
Existing snapshots for RUF055 and PT009, plus a new `Generator` test and
a regression test for the reported `PIE810` issue.
## Summary
Addresses the second follow up to #15565 in #15642. This was easier than
expected by using this cool destructuring syntax I hadn't used before,
and by assuming
[PYI059](https://docs.astral.sh/ruff/rules/generic-not-last-base-class/)
(`generic-not-last-base-class`).
## Test Plan
Using an existing test, plus two new tests combining multiple base
classes and multiple generics. It looks like I deleted a relevant test,
which I did, but I meant to rename this in #15565. It looks like instead
I copied it and renamed the copy.
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
This PR extends our [PEP 695](https://peps.python.org/pep-0695) handling
from the type aliases handled by `UP040` to generic function and class
parameters, as suggested in the latter two examples from #4617:
```python
# Input
T = TypeVar("T", bound=float)
class A(Generic[T]):
...
def f(t: T):
...
# Output
class A[T: float]:
...
def f[T: float](t: T):
...
```
I first implemented this as part of `UP040`, but based on a brief
discussion during a very helpful pairing session with @AlexWaygood, I
opted to split them into rules separate from `UP040` and then also
separate from each other. From a quick look, and based on [this
issue](https://github.com/asottile/pyupgrade/issues/836), I'm pretty
sure neither of these rules is currently in pyupgrade, so I just took
the next available codes, `UP046` and `UP047`.
The last main TODO, noted in the rule file and in the fixture, is to
handle generic method parameters not included in the class itself, `S`
in this case:
```python
T = TypeVar("T")
S = TypeVar("S")
class Foo(Generic[T]):
def bar(self, x: T, y: S) -> S: ...
```
but Alex mentioned that that might be okay to leave for a follow-up PR.
I also left a TODO about handling multiple subclasses instead of bailing
out when more than one is present. I'm not sure how common that would
be, but I can still handle it here, or follow up on that too.
I think this is unrelated to the PR, but when I ran `cargo dev
generate-all`, it removed the rule code `PLW0101` from
`ruff.schema.json`. It seemed unrelated, so I left that out, but I
wanted to mention it just in case.
## Test Plan
New test fixture, `cargo nextest run`
Closes#4617, closes#12542
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
The AST generator creates a reference enum for each syntax group — an
enum where each variant contains a reference to the relevant syntax
node. Previously you could customize the name of the reference enum for
a group — primarily because there was an existing `ExpressionRef` type
that wouldn't have lined up with the auto-derived name `ExprRef`. This
follow-up PR is a simple search/replace to switch over to the
auto-derived name, so that we can remove this customization point.
## Summary
We were mistakenly using `CommentRanges::has_comments` to determine
whether our edits
were safe, which sometimes expands the checked range to the end of a
line. But in order to
determine safety we need to check exactly the range we're replacing.
This bug affected the rules `runtime-cast-value` (`TC006`) and
`quoted-type-alias` (`TC008`)
although it was very unlikely to be hit for `TC006` and for `TC008` we
never hit it because we
were checking the wrong expression.
## Test Plan
`cargo nextest run`
This commit fixes RUF055 rule to format `re.fullmatch(pattern, var)` to
`var == pattern` instead of the current `pattern == var` behaviour. This
is more idiomatic and easy to understand.
## Summary
This changes the current formatting behaviour of `re.fullmatch(pattern,
var)` to format it to `var == pattern` instead of `pattern == var`.
## Test Plan
I used a code file locally to see the updated formatting behaviour.
Fixes https://github.com/astral-sh/ruff/issues/14733
## Summary
I noticed this while reviewing
https://github.com/astral-sh/ruff/pull/15541 that the code inside the
large closure cannot be formatted by the Rust formatter. This PR
extracts the qualified name and inlines the match expression.
## Test Plan
`cargo clippy` and `cargo insta`
## Summary
Right now, these are being applied in random order, since if we have two
`RedefinitionWhileUnused`, it just takes the first-generated (whereas
the next comparator in the sort here orders by location)... Which means
we frequently have to re-run!
## Summary
The fix range for sorting imports accounts for trailing whitespace, but
we should only show the trimmed range to the user when displaying the
diagnostic. So this PR changes the diagnostic range.
Closes#15504
## Test Plan
Reviewed snapshot changes
## Summary
Added some extra notes on why you should have focused try...except
blocks to
[TRY300](https://docs.astral.sh/ruff/rules/try-consider-else/).
When fixing a violation of this rule, a co-worker of mine (very
understandably) asked why this was better. The current docs just say
putting the return in the else is "more explicit", but if you look at
the [linked reference in the python
documentation](https://docs.python.org/3/tutorial/errors.html) they are
more clear on why violations like this is bad:
> The use of the else clause is better than adding additional code to
the [try](https://docs.python.org/3/reference/compound_stmts.html#try)
clause because it avoids accidentally catching an exception that wasn’t
raised by the code being protected by the try … except statement.
This is my attempt at adding more context to the docs on this. Open to
suggestions for wording!
---------
Co-authored-by: dylwil3 <dylwil3@gmail.com>
In the following situation:
```python
class Grandparent:
__slots__ = "a"
class Parent(Grandparent): ...
class Child(Parent):
__slots__ = "a"
```
the message for `W0244` now specifies that `a` is overwriting a slot
from `Grandparent`.
To implement this, we introduce a helper function `iter_super_classes`
which does a breadth-first traversal of the superclasses of a given
class (as long as they are defined in the same file, due to the usual
limitations of the semantic model).
Note: Python does not allow conflicting slots definitions under multiple
inheritance. Unless I'm misunderstanding something, I believe It follows
that the subposet of superclasses of a given class that redefine a given
slot is in fact totally ordered. There is therefore a unique _nearest_
superclass whose slot is being overwritten. So, you know, in case anyone
was super worried about that... you can just chill.
This is a followup to #9640 .
While looking into potential AST optimizations, I noticed the `AstNode`
trait and `AnyNode` type aren't used anywhere in Ruff or Red Knot. It
looks like they might be historical artifacts of previous ways of
consuming AST nodes?
- `AstNode::cast`, `AstNode::cast_ref`, and `AstNode::can_cast` are not
used anywhere.
- Since `cast_ref` isn't needed anymore, the `Ref` associated type isn't
either.
This is a pure refactoring, with no intended behavior changes.
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## Summary
Fixes parentheses not being stripped in C401. Pretty much the same as
#11607 which fixed it for C400.
## Test Plan
`cargo nextest run`
## Summary
Add a setting to allow ignoring one line docstrings for the pydoclint
rules.
Resolves#13086
Part of #12434
## Test Plan
Run tests with setting enabled.
---------
Co-authored-by: dylwil3 <dylwil3@gmail.com>
## Summary
This fixes the infinite loop reported in #12897, where an
`unused-import` that is undefined at the scope of `__all__` is "fixed"
by adding it to `__all__` repeatedly. These changes make it so that only
imports in the global scope will be suggested to add to `__all__` and
the unused local import is simply removed.
## Test Plan
Added a CLI integration test that sets up the same module structure as
the original report
Closes#12897
---------
Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
## Summary
Ref: https://github.com/astral-sh/ruff/pull/15387#discussion_r1917796907
This PR updates `F722` to show syntax error message instead of the
string content.
I think it's more useful to show the syntax error message than the
string content. In the future, when the diagnostics renderer is more
capable, we could even highlight the exact location of the syntax error
along with the annotation string.
This is also in line with how we show the diagnostic in red knot.
## Test Plan
Update existing test snapshots.
## Summary
Resolves#9467
Parse quoted annotations as if the string content is inside parenthesis.
With this logic `x` and `y` in this example are equal:
```python
y: """
int |
str
"""
z: """(
int |
str
)
"""
```
Also this rule only applies to triple
quotes([link](https://github.com/python/typing-council/issues/9#issuecomment-1890808610)).
This PR is based on the
[comments](https://github.com/astral-sh/ruff/issues/9467#issuecomment-2579180991)
on the issue.
I did one extra change, since we don't want any indentation tokens I am
setting the `State::Other` as the initial state of the Lexer.
Remaining work:
- [x] Add a test case for red-knot.
- [x] Add more tests.
## Test Plan
Added a test which previously failed because quoted annotation contained
indentation.
Added an mdtest for red-knot.
Updated previous test.
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Allow links to issues that appear on the same line as the TODO
directive, if they conform to the format that VSCode's GitHub PR
extension produces.
Revival of #9627 (the branch was stale enough that rebasing was a lot
harder than just making the changes anew). Credit should go to the
author of that PR though.
Closes#8061
Co-authored-by: Martin Bernstorff <martinbernstorff@gmail.com>
Instead of doing this on a lint-by-lint basis, we now just do it right
before rendering. This is more broadly applicable.
Note that this doesn't fix the diagnostic rendering for the Python
parser. But that's using a different path anyway (`annotate-snippets` is
only used in tests).
Previously, these were pointing to the right place, but were missing the
`^`. With the `annotate-snippets` upgrade, the `^` was added, but they
started pointing to the end of the previous line instead of the
beginning of the following line. In this case, we really want it to
point to the beginning of the following line since we're calling out
indentation issues.
As in a prior commit, we fix this by tweaking the offsets emitted by the
lint itself. Instead of an empty range at the beginning of the line, we
point to the first character in the line. This "forces" the renderer to
point to the beginning of the line instead of the end of the preceding
line.
The end effect here is that the rendering is fixed by adding `^` in the
proper location.
This change also requires some shuffling to the offsets we generate for
the diagnostic. Previously, we were generating an empty range
immediately *after* the line terminator and immediate before the first
byte of the subsequent line. How this is rendered is somewhat open to
interpretation, but the new version of `annotate-snippets` chooses to
render this at the end of the preceding line instead of the beginning of
the following line.
In this case, we want the diagnostic to point to the beginning of the
following line. So we either need to change `annotate-snippets` to
render such spans at the beginning of the following line, or we need to
change our span to point to the first full character in the following
line. The latter will force `annotate-snippets` to move the caret to the
proper location.
I ended up deciding to change our spans instead of changing how
`annotate-snippets` renders empty spans after a line terminator. While I
didn't investigate it, my guess is that they probably had good reason
for doing so, and it doesn't necessarily strike me as _wrong_.
Furthermore, fixing up our spans seems like a good idea regardless, and
was pretty easy to do.
This looks like a bug fix since the caret is now pointing right at the
position of the unprintable character. I'm not sure if this is a result
of an improvement via the `annotate-snippets` upgrade, or because of
more accurate tracking of annotation ranges even after unprintable
characters are replaced. I'm tempted to say the former since in theory
the offsets were never wrong before because they were codepoint offsets.
Regardless, this looks like an improvement.
This updates snapshots where long lines now get trimmed with
`annotate-snippets`. And an ellipsis is inserted to indicate trimming.
This is a little hokey to test since in tests we don't do any styling.
And I believe this just uses the default "max term width" for rendering.
But in real life, it seems like a big improvement to have long lines
trimmed if they would otherwise wrap in the terminal. So this seems like
an improvement to me.
There are some other fixes here that overlap with previous categories.
We do this because `...` is valid Python, which makes it pretty likely
that some line trimming will lead to ambiguous output. So we add support
for overriding the cut indicator. This also requires changing some of
the alignment math, which was previously tightly coupled to `...`.
For Ruff, we go with `…` (`U+2026 HORIZONTAL ELLIPSIS`) for our cut
indicator.
For more details, see the patch sent to upstream:
https://github.com/rust-lang/annotate-snippets-rs/pull/172
The change to the rendering code is elaborated on in more detail here,
where I attempted to upstream it:
https://github.com/rust-lang/annotate-snippets-rs/pull/169
Otherwise, the snapshot diff also shows a bug fix: a `^` is now rendered
where as it previously was not.
This one almost looks like it fits into the other failure categories,
but without identifying root causes, it's hard to say for sure. The span
here does end after a line terminator, so it feels like it's like the
rest.
I also isolated this change since I found the snapshot diff pretty hard
to read and wanted to look at it more closely. In this case, the before
is:
E204.py:31:2: E204 [*] Whitespace after decorator
|
30 | # E204
31 | @ \
| __^
32 | | foo
| |_^ E204
33 | def baz():
34 | print('baz')
|
= help: Remove whitespace
And the after is:
E204.py:31:2: E204 [*] Whitespace after decorator
|
30 | # E204
31 | @ \
| ^^ E204
32 | foo
33 | def baz():
34 | print('baz')
|
= help: Remove whitespace
The updated rendering is clearly an improvement, since `foo` itself is
not really the subject of the diagnostic. The whitespace is.
Also, the new rendering matches the span fed to `annotate-snippets`,
where as the old rendering does not.
I separated out this snapshot update since the string of `^` including
whitespace looked a little odd. I investigated this one specifically,
and indeed, our span in this case is telling `annotate-snippets` to
point at the whitespace. So this is `annotate-snippets` doing what it's
told with a mildly sub-optimal span.
For clarity, the before rendering is:
skip.py:34:1: I001 [*] Import block is un-sorted or un-formatted
|
32 | import sys; import os # isort:skip
33 | import sys; import os # isort:skip # isort:skip
34 | / import sys; import os
|
= help: Organize imports
And now after is:
skip.py:34:1: I001 [*] Import block is un-sorted or un-formatted
|
32 | import sys; import os # isort:skip
33 | import sys; import os # isort:skip # isort:skip
34 | import sys; import os
| ^^^^^^^^^^^^^^^^^^^^^^^^^ I001
|
= help: Organize imports
This is a clear bug fix since it adds in the `I001` annotation, even
though the carets look a little funny by including the whitespace
preceding `import sys; import os`.
This group of updates is similar to the last one, but they call out the
fact that while the change is an improvement, it does still seem to be a
little buggy.
As one example, previously we would have this:
|
1 | / from __future__ import annotations
2 | |
3 | | from typing import Any
4 | |
5 | | from requests import Session
6 | |
7 | | from my_first_party import my_first_party_object
8 | |
9 | | from . import my_local_folder_object
10 | |
11 | |
12 | |
13 | | class Thing(object):
| |_^ I001
14 | name: str
15 | def __init__(self, name: str):
|
= help: Organize imports
And now here's what it looks like after:
|
1 | / from __future__ import annotations
2 | |
3 | | from typing import Any
4 | |
5 | | from requests import Session
6 | |
7 | | from my_first_party import my_first_party_object
8 | |
9 | | from . import my_local_folder_object
10 | |
11 | |
12 | |
| |__^ Organize imports
13 | class Thing(object):
14 | name: str
15 | def __init__(self, name: str):
|
= help: Organize imports
So at least now, the diagnostic is not pointing to a completely
unrelated thing (`class Thing`), but it's still not quite pointing to
the imports directly. And the `^` is a bit offset. After looking at
some examples more closely, I think this is probably more of a bug
with how we're generating offsets, since we are actually pointing to
a location that is a few empty lines _below_ the last import. And
`annotate-snippets` is rendering that part correctly. However, the
offset from the left (the `^` is pointing at `r` instead of `f` or even
at the end of `from . import my_local_folder_object`) appears to be a
problem with `annotate-snippets` itself.
We accept this under the reasoning that it's an improvement, albeit not
perfect.
I believe this case is different from the last in that it happens when
the end of a *multi-line* annotation occurs after a line terminator.
Previously, the diagnostic would render on the next line, which is
definitely a bit weird. This new update renders it at the end of the
line the annotation ends on.
In some cases, the annotation was previously rendered to point at source
lines below where the error occurred, which is probably pretty
confusing.
This looks like a bug fix that occurs when the annotation is a
zero-width span immediately following a line terminator. Previously, the
caret seems to be rendered on the next line, but it should be rendered
at the end of the line the span corresponds to.
I admit that this one is kinda weird. I would somewhat expect that our
spans here are actually incorrect, and that to obtain this sort of
rendering, we should identify a span just immediately _before_ the line
terminator and not after it. But I don't want to dive into that rabbit
hole for now (and given how `annotate-snippets` now renders these
spans, perhaps there is more to it than I see), and this does seem like
a clear improvement given the spans we feed to `annotate-snippets`.
The previous rendering just seems wrong in that a `^` is omitted. The
new version of `annotate-snippets` seems to get this right. I checked a
pseudo random sample of these, and it seems to only happen when the
position pointed at a line terminator.
It's hard to grok the change from the snapshot diffs alone, so here's
one example. Before:
PYI021.pyi:15:5: PYI021 [*] Docstrings should not be included in stubs
|
14 | class Baz:
15 | """Multiline docstring
| _____^
16 | |
17 | | Lorem ipsum dolor sit amet
18 | | """
| |_______^ PYI021
19 |
20 | def __init__(self) -> None: ...
|
= help: Remove docstring
And now after:
PYI021.pyi:15:5: PYI021 [*] Docstrings should not be included in stubs
|
14 | class Baz:
15 | / """Multiline docstring
16 | |
17 | | Lorem ipsum dolor sit amet
18 | | """
| |_______^ PYI021
19 |
20 | def __init__(self) -> None: ...
|
= help: Remove docstring
I personally think both of these are fine. If we felt strongly, I could
investigate reverting to the old style, but the new style seems okay to
me.
In other words, these updates I believe are just cosmetic and not a bug
fix.
These updates center around the addition of annotations in the
diagnostic rendering. Previously, the annotation was just not rendered
at all. With the `annotate-snippets` upgrade, it is now rendered. I
examined a pseudo random sample of these, and they all look correct.
As will be true in future batches, some of these snapshots also have
changes to whitespace in them as well.
These snapshot changes should *all* only be a result of changes to
trailing whitespace in the output. I checked a psuedo random sample of
these, and the whitespace found in the previous snapshots seems to be an
artifact of the rendering and _not_ of the source data. So this seems
like a strict bug fix to me.
There are other snapshots with whitespace changes, but they also have
other changes that we split out into separate commits. Basically, we're
going to do approximately one commit per category of change.
This represents, by far, the biggest chunk of changes to snapshots as a
result of the `annotate-snippets` upgrade.
Previously, we were replacing unprintable ASCII characters with a
printable representation of them via fancier Unicode characters. Since
`annotate-snippets` used to use codepoint offsets, this didn't make our
ranges incorrect: we swapped one codepoint for another.
But now, with the `annotate-snippets` upgrade, we use byte offsets
(which is IMO the correct choice). However, this means our ranges can be
thrown off since an ASCII codepoint is always one byte and a non-ASCII
codepoint is always more than one byte.
Instead of tweaking the `ShowNonprinting` trait and making it more
complicated (which is used in places other than this diagnostic
rendering it seems), we instead change `replace_whitespace` to handle
non-printable characters. This works out because `replace_whitespace`
was already updating the annotation range to account for the tab
replacement. We copy that approach for unprintable characters.
This is pretty much just moving to the new API and taking care to use
byte offsets. This is *almost* enough. The next commit will fix a bug
involving the handling of unprintable characters as a result of
switching to byte offsets.
## Summary
The initial purpose was to fix#15043, where code like this:
```python
from fastapi import FastAPI, Query
app = FastAPI()
@app.get("/test")
def handler(echo: str = Query("")):
return echo
```
was being fixed to the invalid code below:
```python
from typing import Annotated
from fastapi import FastAPI, Query
app = FastAPI()
@app.get("/test")
def handler(echo: Annotated[str, Query("")]): # changed
return echo
```
As @MichaReiser pointed out, the correct fix is:
```python
from typing import Annotated
from fastapi import FastAPI, Query
app = FastAPI()
@app.get("/test")
def handler(echo: Annotated[str, Query()] = ""): # changed
return echo
```
After fixing the issue for `Query`, I realized that other classes like
`Path`, `Body`, `Cookie`, `Header`, `File`, and `Form` also looked
susceptible to this issue. The last few commits should handle these too,
which I think means this will also close#12913.
I had to reorder the arguments to the `do_stuff` test case because the
new fix removes some default argument values (eg for `Path`:
`some_path_param: str = Path()` becomes `some_path_param: Annotated[str,
Path()]`).
There's also #14484 related to this rule. I'm happy to take a stab at
that here or in a follow up PR too.
## Test Plan
`cargo test`
I also checked the fixed output with `uv run --with fastapi
FAST002_0.py`, but it required making a bunch of additional changes to
the test file that I wasn't sure we wanted in this PR.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Replace typo "security_managr" in AIR303 as "security_manager"
## Test Plan
<!-- How was it tested? -->
a test fixture has been updated
## Summary
Implements upstream diagnostics `PT029`, `PT030`, `PT031` that function
as pytest.warns corollaries of `PT010`, `PT011`, `PT012` respectively.
Most of the implementation and documentation is designed to mirror those
existing diagnostics.
Closes#14239
## Test Plan
Tests for `PT029`, `PT030`, `PT031` largely copied from `PT010`,
`PT011`, `PT012` respectively.
`cargo nextest run`
---------
Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>
Stabilise [`slice-to-remove-prefix-or-suffix`](https://docs.astral.sh/ruff/rules/slice-to-remove-prefix-or-suffix/) (`FURB188`) for the Ruff 0.9 release.
This is a stylistic rule, but I think it's a pretty uncontroversial one. There are no open issues or PRs regarding it and it's been in preview for a while now.
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## Summary
Fix infinite loop issue reported here #15248.
The issue was caused by the break inside the if block, which caused the
flow to exit in an unforeseen way. This caused other issues, eventually
leading to an infinite loop.
Resolves#15248. Resolves#15336.
## Test Plan
Added failing code to fixture.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Co-authored-by: dylwil3 <dylwil3@gmail.com>
When removing `int` in calls like `int(expr)` we may need to keep
parentheses around `expr` even when it is a function call or subscript,
since there may be newlines in between the function/value name and the
opening parentheses/bracket of the argument.
This PR implements that logic.
Closes#15263
---------
Co-authored-by: Charlie Marsh <charlie.r.marsh@gmail.com>
Note: `PLW0101` remains in testing rather than preview, so this PR does
not modify any public behavior (hence the title beginning with
`internal` rather than `pylint`, for the sake of the changelog.)
Fixes an error in the processing of `try` statements in the control flow
graph builder.
When processing a try statement, the block following a `return` was
forced to point to the `finally` block. However, if the return was _in_
the `finally` block, this caused the block to point to itself. In the
case where the whole `try-finally` statement was also included inside of
a loop, this caused an infinite loop in the builder for the control flow
graph as it attempted to resolve edges.
Closes#15248
## Test function
### Source
```python
def l():
while T:
try:
while ():
if 3:
break
finally:
return
```
### Control Flow Graph
```mermaid
flowchart TD
start(("Start"))
return(("End"))
block0[["`*(empty)*`"]]
block1[["Loop continue"]]
block2["return\n"]
block3[["Loop continue"]]
block4["break\n"]
block5["if 3:
break\n"]
block6["while ():
if 3:
break\n"]
block7[["Exception raised"]]
block8["try:
while ():
if 3:
break
finally:
return\n"]
block9["while T:
try:
while ():
if 3:
break
finally:
return\n"]
start --> block9
block9 -- "T" --> block8
block9 -- "else" --> block0
block8 -- "Exception raised" --> block7
block8 -- "else" --> block6
block7 --> block2
block6 -- "()" --> block5
block6 -- "else" --> block2
block5 -- "3" --> block4
block5 -- "else" --> block3
block4 --> block2
block3 --> block6
block2 --> return
block1 --> block9
block0 --> return
```
## Summary
Adds `class-as-data-structure` rule (`B903`). Also compare pylint's `too-few-public-methods` (`PLR0903`).
Took some creative liberty with this by allowing the class to have any
decorators or base classes. There are years-old issues on pylint that
don't approve of the strictness when it comes to these things.
Especially considering that dataclass is a decorator and namedtuple _can
be_ a base class. I feel ignoring those explicitly is redundant all
things considered, but it's not a hill I'm willing to die on!
See: #970
## Test Plan
`cargo test`
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Co-authored-by: dylwil3 <dylwil3@gmail.com>
The default logging level for diagnostics includes logs written using
the `log` crate with level `error`, `warn`, and `info`. An unsuccessful
fix attached to a diagnostic via `try_set_fix` or `try_set_optional_fix`
was logged at level `error`. Note that the user would see these messages
even without passing `--fix`, and possibly also on lines with `noqa`
comments.
This PR changes the logging level here to a `debug`. We also found
ad-hoc instances of error logging in the implementations of several
rules, and have replaced those with either a `debug` or call to
`try_set{_optional}_fix`.
Closes#15229
## Summary
This PR re-introduces the control-flow graph implementation which was
first introduced in #5384, and then removed in #9463 due to not being
feature complete. Mainly, it lacked the ability to process
`try`-`except` blocks, along with some more minor bugs.
Closes#8958 and #8959 and #14881.
## Overview of Changes
I will now highlight the major changes implemented in this PR, in order
of implementation.
1. Introduced a post-processing step in loop handling to find any
`continue` or `break` statements within the loop body and redirect them
appropriately.
2. Introduced a loop-continue block which is always placed at the end of
loop blocks, and ensures proper looping regardless of the internal logic
of the block. This resolves#8958.
3. Implemented `try` processing with the following logic (resolves
#8959):
1. In the example below the cfg first encounters a conditional
`ExceptionRaised` forking if an exception was (or will be) raised in the
try block. This is not possible to know (except for trivial cases) so we
assume both paths can be taken unconditionally.
2. Going down the `try` path the cfg goes `try`->`else`->`finally`
unconditionally.
3. Going down the `except` path the cfg will meet several conditional
`ExceptionCaught` which fork depending on the nature of the exception
caught. Again there's no way to know which exceptions may be raised so
both paths are assumed to be taken unconditionally.
4. If none of the exception blocks catch the exception then the cfg
terminates by raising a new exception.
5. A post-processing step is also implemented to redirect any `raises`
or `returns` within the blocks appropriately.
```python
def func():
try:
print("try")
except Exception:
print("Exception")
except OtherException as e:
print("OtherException")
else:
print("else")
finally:
print("finally")
```
```mermaid
flowchart TD
start(("Start"))
return(("End"))
block0[["`*(empty)*`"]]
block1["print(#quot;finally#quot;)\n"]
block2["print(#quot;else#quot;)\n"]
block3["print(#quot;try#quot;)\n"]
block4[["Exception raised"]]
block5["print(#quot;OtherException#quot;)\n"]
block6["try:
print(#quot;try#quot;)
except Exception:
print(#quot;Exception#quot;)
except OtherException as e:
print(#quot;OtherException#quot;)
else:
print(#quot;else#quot;)
finally:
print(#quot;finally#quot;)\n"]
block7["print(#quot;Exception#quot;)\n"]
block8["try:
print(#quot;try#quot;)
except Exception:
print(#quot;Exception#quot;)
except OtherException as e:
print(#quot;OtherException#quot;)
else:
print(#quot;else#quot;)
finally:
print(#quot;finally#quot;)\n"]
block9["try:
print(#quot;try#quot;)
except Exception:
print(#quot;Exception#quot;)
except OtherException as e:
print(#quot;OtherException#quot;)
else:
print(#quot;else#quot;)
finally:
print(#quot;finally#quot;)\n"]
start --> block9
block9 -- "Exception raised" --> block8
block9 -- "else" --> block3
block8 -- "Exception" --> block7
block8 -- "else" --> block6
block7 --> block1
block6 -- "OtherException" --> block5
block6 -- "else" --> block4
block5 --> block1
block4 --> return
block3 --> block2
block2 --> block1
block1 --> block0
block0 --> return
```
6. Implemented `with` processing with the following logic:
1. `with` statements have no conditional execution (apart from the
hidden logic handling the enter and exit), so the block is assumed to
execute unconditionally.
2. The one exception is that exceptions raised within the block may
result in control flow resuming at the end of the block. Since it is not
possible know if an exception will be raised, or if it will be handled
by the context manager, we assume that execution always continues after
`with` blocks even if the blocks contain `raise` or `return` statements.
This is handled in a post-processing step.
## Test Plan
Additional test fixtures and control-flow fixtures were added.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Co-authored-by: dylwil3 <dylwil3@gmail.com>
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
During https://github.com/astral-sh/ruff/pull/15209, additional spaces
was accidentally added to the rule
`airflow.operators.latest_only.LatestOnlyOperator`. This PR fixes this
issue
## Test Plan
<!-- How was it tested? -->
A test fixture has been included for the rule.
## Summary
Airflow 3.0 removes various deprecated functions, members, modules, and
other values. They have been deprecated in 2.x, but the removal causes
incompatibilities that we want to detect. This PR add rules for the
following.
* Removed class attribute
* `airflow.providers_manager.ProvidersManager.dataset_factories` →
`airflow.providers_manager.ProvidersManager.asset_factories`
* `airflow.providers_manager.ProvidersManager.dataset_uri_handlers` →
`airflow.providers_manager.ProvidersManager.asset_uri_handlers`
*
`airflow.providers_manager.ProvidersManager.dataset_to_openlineage_converters`
→
`airflow.providers_manager.ProvidersManager.asset_to_openlineage_converters`
* `airflow.lineage.hook.DatasetLineageInfo.dataset` →
`airflow.lineage.hook.AssetLineageInfo.asset`
* Removed class method (subclasses in airflow should also checked)
* `airflow.secrets.base_secrets.BaseSecretsBackend.get_conn_uri` →
`airflow.secrets.base_secrets.BaseSecretsBackend.get_conn_value`
* `airflow.secrets.base_secrets.BaseSecretsBackend.get_connections` →
`airflow.secrets.base_secrets.BaseSecretsBackend.get_connection`
* `airflow.hooks.base.BaseHook.get_connections` → use `get_connection`
* `airflow.datasets.BaseDataset.iter_datasets` →
`airflow.sdk.definitions.asset.BaseAsset.iter_assets`
* `airflow.datasets.BaseDataset.iter_dataset_aliases` →
`airflow.sdk.definitions.asset.BaseAsset.iter_asset_aliases`
* Removed constructor args (subclasses in airflow should also checked)
* argument `filename_template`
in`airflow.utils.log.file_task_handler.FileTaskHandler`
* in `BaseOperator`
* `sla`
* `task_concurrency` → `max_active_tis_per_dag`
* in `BaseAuthManager`
* `appbuilder`
* Removed class variable (subclasses anywhere should be checked)
* in `airflow.plugins_manager.AirflowPlugin`
* `executors` (from #43289)
* `hooks`
* `operators`
* `sensors`
* Replaced names
* `airflow.hooks.base_hook.BaseHook` → `airflow.hooks.base.BaseHook`
* `airflow.operators.dagrun_operator.TriggerDagRunLink` →
`airflow.operators.trigger_dagrun.TriggerDagRunLink`
* `airflow.operators.dagrun_operator.TriggerDagRunOperator` →
`airflow.operators.trigger_dagrun.TriggerDagRunOperator`
* `airflow.operators.python_operator.BranchPythonOperator` →
`airflow.operators.python.BranchPythonOperator`
* `airflow.operators.python_operator.PythonOperator` →
`airflow.operators.python.PythonOperator`
* `airflow.operators.python_operator.PythonVirtualenvOperator` →
`airflow.operators.python.PythonVirtualenvOperator`
* `airflow.operators.python_operator.ShortCircuitOperator` →
`airflow.operators.python.ShortCircuitOperator`
* `airflow.operators.latest_only_operator.LatestOnlyOperator` →
`airflow.operators.latest_only.LatestOnlyOperator`
In additional to the changes above, this PR also add utility functions
and improve docstring.
## Test Plan
A test fixture is included in the PR.
Fixes: #15176
## Summary
Neither of these rules make any sense in stub files. Technically TC007
should already not have triggered, due to the typing only context of the
binding, but it's better to be explicit.
Keeping TC008 enabled on the other hand makes sense to me, although we
could probably be more aggressive with unquoting in a typing runtime
context.
## Test Plan
`cargo nextest run`
## Summary
Closes#14975 by modifying the docstring of the InvalidPyprojectToml
rule. Previously the docs were incorrectly stating that author name and
emails must be individual items in the authors list, rather than part of
a single object for each respective author.
## Test Plan
This was a docstring change, no tests needed.
## Summary
This PR fixes an issue where Ruff's `D403` rule
(`first-word-uncapitalized`) was not detecting some single-word edge
cases that are picked up by `pydocstyle`.
The change involves extracting the first word of the docstring by
identifying the first whitespace character. This is consistent with
`pydocstyle` which uses `.split()` - see
8d0cdfc93e/src/pydocstyle/checker.py (L581C13-L581C64)
## Example
Here is a playground example -
https://play.ruff.rs/eab9ea59-92cf-4e44-b1a9-b54b7f69b178
```py
def example1():
"""foo"""
def example2():
"""foo
Hello world!
"""
def example3():
"""foo bar
Hello world!
"""
def example4():
"""
foo
"""
def example5():
"""
foo bar
"""
```
`pydocstyle` detects all five cases:
```bash
$ pydocstyle test.py --select D403
dev/test.py:2 in public function `example1`:
D403: First word of the first line should be properly capitalized ('Foo', not 'foo')
dev/test.py:5 in public function `example2`:
D403: First word of the first line should be properly capitalized ('Foo', not 'foo')
dev/test.py:11 in public function `example3`:
D403: First word of the first line should be properly capitalized ('Foo', not 'foo')
dev/test.py:17 in public function `example4`:
D403: First word of the first line should be properly capitalized ('Foo', not 'foo')
dev/test.py:22 in public function `example5`:
D403: First word of the first line should be properly capitalized ('Foo', not 'foo')
```
Ruff (`0.8.4`) fails to catch example2 and example4.
## Test Plan
* Added two new test cases to cover the previously missed single-word
docstring cases.
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## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Fix#11482. Applies
https://github.com/adamchainz/flake8-comprehensions/pull/205 to ruff.
`C416` should be skipped if comprehension contains unpacking. Here's an
example:
```python
list_of_lists = [[1, 2], [3, 4]]
# ruff suggests `list(list_of_lists)` here, but that would change the result.
# `list(list_of_lists)` is not `[(1, 2), (3, 4)]`
a = [(x, y) for x, y in list_of_lists]
# This is equivalent to `list(list_of_lists)`
b = [x for x in list_of_lists]
```
## Test Plan
<!-- How was it tested? -->
Existing checks
---------
Signed-off-by: harupy <hkawamura0130@gmail.com>
## Summary
resolves#14883
This PR removes the known limitation section in the documentation of
`eq-without-hash`. That is not actually a limitation as a subclass
overriding the `__eq__` method would have its `__hash__` set to `None`
implicitly. The user should explicitly inherit the `__hash__` method
from the parent class.
## Test Plan
<img width="619" alt="Screenshot 2024-12-20 at 2 02 47 PM"
src="https://github.com/user-attachments/assets/552defcd-25e1-4153-9ab9-e5b9d5fbe8cc"
/>
---------
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
## Summary
Airflow 3.0 removes various deprecated functions, members, modules, and
other values. They have been deprecated in 2.x, but the removal causes
incompatibilities that we want to detect. This PR deprecates the
following names and add a function for removed methods
* `airflow.datasets.manager.DatasetManager.register_dataset_change` →
`airflow.assets.manager.AssetManager.register_asset_change`
* `airflow.datasets.manager.DatasetManager.create_datasets` →
`airflow.assets.manager.AssetManager.create_assets`
* `airflow.datasets.manager.DatasetManager.notify_dataset_created` →
`airflow.assets.manager.AssetManager.notify_asset_created`
* `airflow.datasets.manager.DatasetManager.notify_dataset_changed` →
`airflow.assets.manager.AssetManager.notify_asset_changed`
* `airflow.datasets.manager.DatasetManager.notify_dataset_alias_created`
→ `airflow.assets.manager.AssetManager.notify_asset_alias_created`
*
`airflow.providers.amazon.auth_manager.aws_auth_manager.AwsAuthManager.is_authorized_dataset`
→
`airflow.providers.amazon.auth_manager.aws_auth_manager.AwsAuthManager.is_authorized_asset`
* `airflow.lineage.hook.HookLineageCollector.create_dataset` →
`airflow.lineage.hook.HookLineageCollector.create_asset`
* `airflow.lineage.hook.HookLineageCollector.add_input_dataset` →
`airflow.lineage.hook.HookLineageCollector.add_input_asset`
* `airflow.lineage.hook.HookLineageCollector.add_output_dataset` →
`airflow.lineage.hook.HookLineageCollector.dd_output_asset`
* `airflow.lineage.hook.HookLineageCollector.collected_datasets` →
`airflow.lineage.hook.HookLineageCollector.collected_assets`
*
`airflow.providers_manager.ProvidersManager.initialize_providers_dataset_uri_resources`
→
`airflow.providers_manager.ProvidersManager.initialize_providers_asset_uri_resources`
## Test Plan
A test fixture is included in the PR.
## Summary
A follow up PR on https://github.com/astral-sh/ruff/issues/14991
Ruff ignores hardcoded passwords for typed variables. Add a rule to
catch passwords in typed code bases
## Test Plan
Includes 2 more test typed variables
Closes#14000
## Summary
For typing context bindings we know that they won't be available at
runtime. We shouldn't recommend a fix, that will result in name errors
at runtime.
## Test Plan
`cargo nextest run`
Fixes#15012.
```python
def f():
# panics when the code can't find the loop variable
values = [1, 2, 3]
result = []
for i in values:
result.append(i + 1)
del i
```
I'm not sure exactly why this test case panics, but I suspect the `del
i` removes the binding from the semantic model's symbols.
I changed the code to search for the correct binding by directly
iterating through the bindings. Since we know exactly which binding we
want, this should find the loop variable without any complications.
This PR introduces three changes to `D403`, which has to do with
capitalizing the first word in a docstring.
1. The diagnostic and fix now skip leading whitespace when determining
what counts as "the first word".
2. The name has been changed to `first-word-uncapitalized` from
`first-line-capitalized`, for both clarity and compliance with our rule
naming policy.
3. The diagnostic message and documentation has been modified slightly
to reflect this.
Closes#14890
Fixes#14969.
The issue was that this line:
```rust
let from_assign_to_loop = TextRange::new(binding_stmt.end(), for_stmt.start());
```
was not safe if the binding was after the target. The only way (at least
that I can think of) this can happen is if they are in different scopes,
so it now checks for that before checking if there are usages between
the two.
## Summary
The summary is misleading, as well as the
`whitespace-after-open-bracket` and `whitespace-before-close-bracket`
names - it's not only brackets, but also parentheses and braces. Align
the documentation with the actual behaviour.
Don't change the names, but align the documentation with the behaviour.
## Test Plan
No test (documentation).
## Summary
Many core Airflow features have been deprecated and moved to Airflow
Providers since users might need to install an additional package (e.g.,
`apache-airflow-provider-fab==1.0.0`); a separate rule (AIR303) is
created for this.
As some of the changes only relate to the module/package moved, instead
of listing out all the functions, variables, and classes in a module or
a package, it warns the user to import from the new path instead of the
specific name.
The following is the ones that has been moved to
`apache-airflow-provider-fab==1.0.0`
* module moved
* `airflow.api.auth.backend.basic_auth` →
`airflow.providers.fab.auth_manager.api.auth.backend.basic_auth`
* `airflow.api.auth.backend.kerberos_auth` →
`airflow.providers.fab.auth_manager.api.auth.backend.kerberos_auth`
* `airflow.auth.managers.fab.api.auth.backend.kerberos_auth` →
`airflow.providers.fab.auth_manager.api.auth.backend.kerberos_auth`
* `airflow.auth.managers.fab.security_manager.override` →
`airflow.providers.fab.auth_manager.security_manager.override`
* classes (e.g., functions, classes) moved
* `airflow.www.security.FabAirflowSecurityManagerOverride` →
`airflow.providers.fab.auth_manager.security_manager.override.FabAirflowSecurityManagerOverride`
* `airflow.auth.managers.fab.fab_auth_manager.FabAuthManager` →
`airflow.providers.fab.auth_manager.security_manager.FabAuthManager`
## Test Plan
A test fixture has been included for the rule.
## Summary
Closes https://github.com/astral-sh/ruff/issues/14892, by adding
`sqlmodel.SQLModel` to the list of classes with default copy semantics.
## Test Plan
Added a test into `RUF012.py` containing the example from the original
issue.
## Summary
`PTH210` renamed to `invalid-pathlib-with-suffix` and extended to check for `.with_suffix(".")`. This caused the fix availability to be downgraded to "Sometimes", since there is no fix offered in this case.
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
Co-authored-by: Dylan <53534755+dylwil3@users.noreply.github.com>
## Summary
Add replacement fixes to deprecated arguments of a DAG.
Ref #14582#14626
## Test Plan
Diff was verified and snapshots were updated.
---------
Co-authored-by: Dhruv Manilawala <dhruvmanila@gmail.com>
## Summary
Part 1 of the big change introduced in #14828. This temporarily causes
all fixes for `round(...)` to be considered unsafe, but they will
eventually be enhanced.
## Test Plan
`cargo nextest run` and `cargo insta test`.
## Summary
Close#11243. Fix `pytest-parametrize-names-wrong-type (PT006)` to edit
both `argnames` and `argvalues` if both of them are single-element
tuples/lists.
```python
# Before fix
@pytest.mark.parametrize(("x",), [(1,), (2,)])
def test_foo(x):
...
# After fix:
@pytest.mark.parametrize("x", [1, 2])
def test_foo(x):
...
```
## Test Plan
New test cases
This PR introduces three changes to the diagnostic and fix behavior
(still under preview) for [boolean-chained-comparison
(PLR1716)](https://docs.astral.sh/ruff/rules/boolean-chained-comparison/#boolean-chained-comparison-plr1716).
1. We now offer a _fix_ in the case of parenthesized expressions like
`(a < b) and b < c`. The fix will merge the chains of comparisons and
then balance parentheses by _adding_ parentheses to one side of the
expression.
2. We now trigger a diagnostic (and fix) in the case where some
comparisons have multiple comparators like `a < b < c and c < d`.
3. When adjacent comparators are parenthesized, we prefer the left
parenthesization and apply the replacement to the whole parenthesized
range. So, for example, `a < (b) and ((b)) < c` becomes `a < (b) < c`.
While these seem like somewhat disconnected changes, they are actually
related. If we only offered (1), then we would see the following fix
behavior:
```diff
- (a < b) and b < c and ((c < d))
+ (a < b < c) and ((c < d))
```
This is because the fix which add parentheses to the first pair of
comparisons overlaps with the fix that removes the `and` between the
second two comparisons. So the latter fix is deferred. However, the
latter fix does not get a second chance because, upon the next lint
iteration, there is no violation of `PLR1716`.
Upon adopting (2), however, both fixes occur by the time ruff completes
several iterations and we get:
```diff
- (a < b) and b < c and ((c < d))
+ ((a < b < c < d))
```
Finally, (3) fixes a previously unobserved bug wherein the autofix for
`a < (b) and b < c` used to result in `a<(b<c` which gives a syntax
error. It could in theory have been fixed in a separate PR, but seems to
be on theme here.
----------
- Closes#13524
- (1), (2), and (3) are implemented in separate commits for ease of
review and modification.
- Technically a user can trigger an error in ruff (by reaching max
iterations) if they have a humongous boolean chained comparison with
differing parentheses levels.
## Summary
Minor change for the documentation of COM818 rule. This was a block
called “In the event that a tuple is intended”, but the suggested change
did not produce a tuple.
## Test Plan
```python
>>> import json
>>> (json.dumps({"bar": 1}),) # this is a tuple
('{"bar": 1}',)
>>> (json.dumps({"bar": 1})) # not a tuple
'{"bar": 1}'
```
Improves error message for [except*](https://peps.python.org/pep-0654/)
(Rules: B025, B029, B030, B904)
Example python snippet:
```python
try:
a = 1
except* ValueError:
a = 2
except* ValueError:
a = 2
try:
pass
except* ():
pass
try:
pass
except* 1: # error
pass
try:
raise ValueError
except* ValueError:
raise UserWarning
```
Error messages
Before:
```
$ ruff check --select=B foo.py
foo.py:6:9: B025 try-except block with duplicate exception `ValueError`
foo.py:11:1: B029 Using `except ():` with an empty tuple does not catch anything; add exceptions to handle
foo.py:16:9: B030 `except` handlers should only be exception classes or tuples of exception classes
foo.py:22:5: B904 Within an `except` clause, raise exceptions with `raise ... from err` or `raise ... from None` to distinguish them from errors in exception handling
Found 4 errors.
```
After:
```
$ ruff check --select=B foo.py
foo.py:6:9: B025 try-except* block with duplicate exception `ValueError`
foo.py:11:1: B029 Using `except* ():` with an empty tuple does not catch anything; add exceptions to handle
foo.py:16:9: B030 `except*` handlers should only be exception classes or tuples of exception classes
foo.py:22:5: B904 Within an `except*` clause, raise exceptions with `raise ... from err` or `raise ... from None` to distinguish them from errors in exception handling
Found 4 errors.
```
Closes https://github.com/astral-sh/ruff/issues/14791
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
Airflow 3.0 removes various deprecated functions, members, modules, and
other values. They have been deprecated in 2.x, but the removal causes
incompatibilities that we want to detect. This PR deprecates the
following names.
* in `DAG`
* `sla_miss_callback` was removed
* in `airflow.operators.trigger_dagrun.TriggerDagRunOperator`
* `execution_date` was removed
* in `airflow.operators.weekday.DayOfWeekSensor`,
`airflow.operators.datetime.BranchDateTimeOperator` and
`airflow.operators.weekday.BranchDayOfWeekOperator`
* `use_task_execution_day` was removed in favor of
`use_task_logical_date`
The full list of rules we will extend
https://github.com/apache/airflow/issues/44556
## Test Plan
<!-- How was it tested? -->
A test fixture is included in the PR.
Closes: #14676
I think the consensus generally was to keep the rule as-is, but expand
the docs.
## Summary
Expands the docs for TC006 with an explanation for why the type
expression is always quoted, including mention of another potential
benefit to this style.
When fixing an invalid escape sequence in an f-string, each f-string
element is analyzed for valid escape characters prior to creating the
diagnostic and fix. This allows us to safely prefix with `r` to create a
raw string if no valid escape characters were found anywhere in the
f-string, and otherwise insert backslashes.
This fixes a bug in the original implementation: each "f-string part"
was treated separately, so it was not possible to tell whether a valid
escape character was or would be used elsewhere in the f-string.
Progress towards #11491 but format specifiers are not handled in this
PR.
## Summary
This PR makes changes to the `AIR001` rule as per
https://github.com/astral-sh/ruff/pull/14627#discussion_r1860212307.
Additionally,
* Avoid returning the `Diagnostic` and update the checker in the rule
logic for consistency
* Remove test case for different keyword position (I don't think it's
required here)
## Test Plan
Add test cases for multiple operators from various modules.
## Summary
Just some minor followups to the recently merged RUF052 rule, that was
added in bf0fd04:
- Some small tweaks to the docs
- A minor code-style nit
- Some more tests for my peace of mind, just to check that the new
methods on the semantic model are working correctly
I'm adding the "internal" label as this doesn't deserve a changelog
entry. RUF052 is a new rule that hasn't been released yet.
## Test Plan
`cargo test -p ruff_linter`
This PR extends the Decimal parsing used in [verbose-decimal-constructor
(FURB157)](https://docs.astral.sh/ruff/rules/verbose-decimal-constructor/)
to better handle non-finite `Decimal` objects, avoiding some false
negatives.
Closes#14587
---------
Co-authored-by: Micha Reiser <micha@reiser.io>
## Summary
- Check if `hashlib` and `crypt` imports have been seen for `FURB181`
and `S324`
- Mark the fix for `FURB181` as safe: I think it was accidentally marked
as unsafe in the first place. The rule does not support user-defined
classes as the "fix safety" section suggests.
- Removed `hashlib._Hash`, as it's not part of the `hashlib` module.
<!-- What's the purpose of the change? What does it do, and why? -->
## Test Plan
Updated the test snapshots
## Summary
This PR implements new rule discussed
[here](https://github.com/astral-sh/ruff/discussions/14449).
In short, it searches for assert messages which were unintentionally
used as a expression to be matched against.
## Test Plan
`cargo test` and review of `ruff-ecosystem`
## Summary
<!-- What's the purpose of the change? What does it do, and why? -->
Fix#14525
## Test Plan
<!-- How was it tested? -->
New test cases
---------
Signed-off-by: harupy <hkawamura0130@gmail.com>
## Summary
Resolves#14289
The documentation for B028 no_explicit_stacklevel is updated to be more
clear.
---------
Co-authored-by: dylwil3 <dylwil3@gmail.com>
This PR adds a sometimes-available, safe autofix for [unraw-re-pattern
(RUF039)](https://docs.astral.sh/ruff/rules/unraw-re-pattern/#unraw-re-pattern-ruf039),
which prepends an `r` prefix. It is used only when the string in
question has no backslahses (and also does not have a `u` prefix, since
that causes a syntax error.)
Closes#14527
Notes:
- Test fixture unchanged, but snapshot changed to include fix messages.
- This fix is automatically only available in preview since the rule
itself is in preview
## Summary
- Expand some docs where they're unclear about the motivation, or assume
some knowledge that hasn't been introduced yet
- Add more links to external docs
- Rename PYI063 from `PrePep570PositionalArgument` to
`Pep484StylePositionalOnlyParameter`
- Rename the file `parenthesize_logical_operators.rs` to
`parenthesize_chained_operators.rs`, since the rule is called
`ParenthesizeChainedOperators`, not `ParenthesizeLogicalOperators`
## Test Plan
`cargo test`
## Summary
These rules were implemented in January, have been very stable, and have
no open issues about them. They were highly requested by the community
prior to being implemented. Let's stabilise them!
## Test Plan
Ecosystem check on this PR.
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