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Avoid UP028 false negatives with non-reference shadowed bindings of loop variables #13504

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merged 1 commit into from
Sep 25, 2024
Merged

Avoid UP028 false negatives with non-reference shadowed bindings of loop variables #13504

merged 1 commit into from
Sep 25, 2024

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zanieb
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@zanieb zanieb commented Sep 24, 2024 •
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Closes #13266

Avoids false negatives for shadowed bindings that aren't actually references to the loop variable. There are some shadowed bindings we need to support still, e.g., del requires the loop variable to exist.

@zanieb zanieb added the bug Something isn't working label Sep 24, 2024
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github-actions bot commented Sep 24, 2024 •
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ruff-ecosystem results

Linter (stable)

✅ ecosystem check detected no linter changes.

Linter (preview)

✅ ecosystem check detected no linter changes.

@zanieb zanieb force-pushed the zb/up028-shadow branch 3 times, most recently from f4e68c4 to 0a0b4f5 Compare September 24, 2024 16:17
@zanieb zanieb marked this pull request as ready for review September 24, 2024 16:17
@zanieb zanieb changed the title Avoid reading shadowed bindings of loop variables when considering if UP028 is safe Avoid reading non-reference shadowed bindings of loop variables when considering if UP028 is safe Sep 24, 2024
@zanieb zanieb changed the title Avoid reading non-reference shadowed bindings of loop variables when considering if UP028 is safe Avoid UP028 false negatives with non-reference shadowed bindings of loop variables Sep 24, 2024
MichaReiser
MichaReiser approved these changes Sep 25, 2024
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Thanks, this looks good to me but I also know very little about our bindings infrastructure.

crates/ruff_linter/src/rules/pyupgrade/rules/yield_in_for_loop.rs Outdated Show resolved Hide resolved
@zanieb zanieb merged commit 4810652 into main Sep 25, 2024
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@zanieb zanieb deleted the zb/up028-shadow branch September 25, 2024 15:03
@BrewTestBot BrewTestBot mentioned this pull request Sep 26, 2024
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netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Oct 7, 2024
@0323pin
devel/py-ruff: update to 0.6.9
3842c32 
## 0.6.9

### Preview features

- Fix codeblock dynamic line length calculation for indented docstring examples ([#13523](astral-sh/ruff#13523))
- \[`refurb`\] Mark `FURB118` fix as unsafe ([#13613](astral-sh/ruff#13613))

### Rule changes

- \[`pydocstyle`\] Don't raise `D208` when last line is non-empty ([#13372](astral-sh/ruff#13372))
- \[`pylint`\] Preserve trivia (i.e. comments) in `PLR5501` autofix ([#13573](astral-sh/ruff#13573))

### Configuration

- \[`pyflakes`\] Add `allow-unused-imports` setting for `unused-import` rule (`F401`) ([#13601](astral-sh/ruff#13601))

### Bug fixes

- Support ruff discovery in pip build environments ([#13591](astral-sh/ruff#13591))
- \[`flake8-bugbear`\] Avoid short circuiting `B017` for multiple context managers ([#13609](astral-sh/ruff#13609))
- \[`pylint`\] Do not offer an invalid fix for `PLR1716` when the comparisons contain parenthesis ([#13527](astral-sh/ruff#13527))
- \[`pyupgrade`\] Fix `UP043` to apply to `collections.abc.Generator` and `collections.abc.AsyncGenerator` ([#13611](astral-sh/ruff#13611))
- \[`refurb`\] Fix handling of slices in tuples for `FURB118`, e.g., `x[:, 1]` ([#13518](astral-sh/ruff#13518))

### Documentation

- Update GitHub Action link to `astral-sh/ruff-action` ([#13551](astral-sh/ruff#13551))

## 0.6.8

### Preview features

- Remove unnecessary parentheses around `match case` clauses ([#13510](astral-sh/ruff#13510))
- Parenthesize overlong `if` guards in `match..case` clauses ([#13513](astral-sh/ruff#13513))
- Detect basic wildcard imports in `ruff analyze graph` ([#13486](astral-sh/ruff#13486))
- \[`pylint`\] Implement `boolean-chained-comparison` (`R1716`) ([#13435](astral-sh/ruff#13435))

### Rule changes

- \[`lake8-simplify`\] Detect `SIM910` when using variadic keyword arguments, i.e., `**kwargs` ([#13503](astral-sh/ruff#13503))
- \[`pyupgrade`\] Avoid false negatives with non-reference shadowed bindings of loop variables (`UP028`) ([#13504](astral-sh/ruff#13504))

### Bug fixes

- Detect tuples bound to variadic positional arguments i.e. `*args` ([#13512](astral-sh/ruff#13512))
- Exit gracefully on broken pipe errors ([#13485](astral-sh/ruff#13485))
- Avoid panic when analyze graph hits broken pipe ([#13484](astral-sh/ruff#13484))

### Performance

- Reuse `BTreeSets` in module resolver ([#13440](astral-sh/ruff#13440))
- Skip traversal for non-compound statements ([#13441](astral-sh/ruff#13441))

## 0.6.7

### Preview features

- Add Python version support to ruff analyze CLI ([#13426](astral-sh/ruff#13426))
- Add `exclude` support to `ruff analyze` ([#13425](astral-sh/ruff#13425))
- Fix parentheses around return type annotations ([#13381](astral-sh/ruff#13381))

### Rule changes

- \[`pycodestyle`\] Fix: Don't autofix if the first line ends in a question mark? (D400) ([#13399](astral-sh/ruff#13399))

### Bug fixes

- Respect `lint.exclude` in ruff check `--add-noqa` ([#13427](astral-sh/ruff#13427))

### Performance

- Avoid tracking module resolver files in Salsa ([#13437](astral-sh/ruff#13437))
- Use `forget` for module resolver database ([#13438](astral-sh/ruff#13438))

## 0.6.6

### Preview features

- \[`refurb`\] Skip `slice-to-remove-prefix-or-suffix` (`FURB188`) when non-trivial slice steps are present ([#13405](astral-sh/ruff#13405))
- Add a subcommand to generate dependency graphs ([#13402](astral-sh/ruff#13402))

### Formatter

- Fix placement of inline parameter comments ([#13379](astral-sh/ruff#13379))

### Server

- Fix off-by one error in the `LineIndex::offset` calculation ([#13407](astral-sh/ruff#13407))

### Bug fixes

- \[`fastapi`\] Respect FastAPI aliases in route definitions ([#13394](astral-sh/ruff#13394))
- \[`pydocstyle`\] Respect word boundaries when detecting function signature in docs ([#13388](astral-sh/ruff#13388))

### Documentation

- Add backlinks to rule overview linter ([#13368](astral-sh/ruff#13368))
- Fix documentation for editor vim plugin ALE ([#13348](astral-sh/ruff#13348))
- Fix rendering of `FURB188` docs ([#13406](astral-sh/ruff#13406))
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@MichaReiser MichaReiser MichaReiser approved these changes

@charliermarsh charliermarsh Awaiting requested review from charliermarsh

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UP028 for multiple loops does not work
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@zanieb @MichaReiser