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Brent Westbrook d45593288f
[syntax-errors] Starred expressions in return, yield, and for (#17134) 
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.
2025-04-02 08:38:25 -04:00
..
red_knot [red-knot] Use web-time instead of FileTime::now (#16967) 2025-03-25 13:03:30 +00:00
red_knot_ide [red-knot] Goto type definition (#16901) 2025-04-02 12:12:48 +00:00
red_knot_project [red-knot] IDE crate (#17045) 2025-04-01 09:36:00 +02:00
red_knot_python_semantic [red-knot] Goto type definition (#16901) 2025-04-02 12:12:48 +00:00
red_knot_server [red-knot] Goto type definition (#16901) 2025-04-02 12:12:48 +00:00
red_knot_test [red-knot] Add line number to mdtest panic message about language tag mismatch (#16906) 2025-03-22 13:05:31 +01:00
red_knot_vendored Sync vendored typeshed stubs (#17106) 2025-04-01 17:44:27 +01:00
red_knot_wasm [red-knot] Playground improvements (#17109) 2025-04-01 10:04:51 +02:00
ruff [flake8-import-conventions] Add import numpy.typing as npt to default flake8-import-conventions.aliases (#17133) 2025-04-02 09:25:46 +02:00
ruff_annotate_snippets Update pre-commit dependencies (#17073) 2025-03-31 07:42:15 +00:00
ruff_benchmark [red-knot] Add initial support for * imports (#16923) 2025-03-24 17:15:58 +00:00
ruff_cache Fix cache key collisions for paths with separators (#12159) 2024-07-03 07:36:46 -05:00
ruff_db [red-knot] Goto type definition (#16901) 2025-04-02 12:12:48 +00:00
ruff_dev Pass ParserOptions to the parser (#16220) 2025-02-19 10:50:50 -05:00
ruff_diagnostics Show errors for attempted fixes only when passed --verbose (#15237) 2025-01-03 08:50:13 -06:00
ruff_formatter Fixing more spelling errors (#16926) 2025-03-23 10:55:14 -07:00
ruff_graph Pass ParserOptions to the parser (#16220) 2025-02-19 10:50:50 -05:00
ruff_index [red-knot] Don't use separate ID types for each alist (#16415) 2025-02-28 14:55:55 -05:00
ruff_linter [syntax-errors] Starred expressions in return, yield, and for (#17134) 2025-04-02 08:38:25 -04:00
ruff_macros Add knot.toml schema (#15735) 2025-02-07 10:59:40 +01:00
ruff_notebook bump MSRV to 1.83 (#16294) 2025-02-26 06:12:43 -08:00
ruff_python_ast Visit Identifier node as part of the SourceOrderVisitor (#17110) 2025-04-01 16:58:09 +02:00
ruff_python_ast_integration_tests Visit Identifier node as part of the SourceOrderVisitor (#17110) 2025-04-01 16:58:09 +02:00
ruff_python_codegen Pass ParserOptions to the parser (#16220) 2025-02-19 10:50:50 -05:00
ruff_python_formatter Visit Identifier node as part of the SourceOrderVisitor (#17110) 2025-04-01 16:58:09 +02:00
ruff_python_index Extract LineIndex independent methods from Locator (#13938) 2024-10-28 07:53:41 +00:00
ruff_python_literal Preserve triple quotes and prefixes for strings (#15818) 2025-02-04 08:41:06 -05:00
ruff_python_parser [syntax-errors] Starred expressions in return, yield, and for (#17134) 2025-04-02 08:38:25 -04:00
ruff_python_resolver Update pre-commit dependencies (#17073) 2025-03-31 07:42:15 +00:00
ruff_python_semantic Control flow graph: setup (#17064) 2025-04-01 05:53:42 -05:00
ruff_python_stdlib Revert "Add all PEP-585 names to UP006 rule" (#15250) 2025-01-04 12:23:53 +01:00
ruff_python_trivia [red-knot] Ignore surrounding whitespace when looking for <!-- snapshot-diagnostics --> directives in mdtests (#16380) 2025-02-27 13:25:31 +00:00
ruff_python_trivia_integration_tests Pass ParserOptions to the parser (#16220) 2025-02-19 10:50:50 -05:00
ruff_server Update pre-commit dependencies (#17073) 2025-03-31 07:42:15 +00:00
ruff_source_file [pyupgrade] Do not report when a UTF-8 comment is followed by a non-UTF-8 one (UP009) (#14728) 2024-12-11 10:30:41 +00:00
ruff_text_size [ruff] itertools.starmap(..., zip(...)) (RUF058) (#15483) 2025-01-16 15:18:12 +01:00
ruff_wasm Bump 0.11.2 (#16896) 2025-03-21 09:17:07 -04:00
ruff_workspace [flake8-import-conventions] Add import numpy.typing as npt to default flake8-import-conventions.aliases (#17133) 2025-04-02 09:25:46 +02:00