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ruff/crates/ruff_python_parser
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Brent Westbrook 4f2851982d
[syntax-errors] Star expression in index before Python 3.11 (#16544) 
Summary
--

This PR detects tuple unpacking expressions in index/subscript
expressions before Python 3.11.

Test Plan
--

New inline tests
2025-03-14 14:51:34 +00:00
..
resources [syntax-errors] Star expression in index before Python 3.11 (#16544) 2025-03-14 14:51:34 +00:00
src [syntax-errors] Star expression in index before Python 3.11 (#16544) 2025-03-14 14:51:34 +00:00
tests [syntax-errors] Star expression in index before Python 3.11 (#16544) 2025-03-14 14:51:34 +00:00
Cargo.toml Allow passing ParseOptions to inline tests (#16357) 2025-02-27 10:23:15 -05:00
CONTRIBUTING.md py-fuzzer: recommend using uvx rather than uv run to run the fuzzer (#14645) 2024-11-27 22:19:52 +00:00
README.md Add basic docs for the parser crate (#11199) 2024-04-29 17:08:07 +00:00

README.md

Ruff Python Parser

Ruff's Python parser is a hand-written recursive descent parser which can parse Python source code into an Abstract Syntax Tree (AST). It also utilizes the Pratt parsing technique to parse expressions with different precedence.

Try out the parser in the playground.

Python version support

The parser supports the latest Python syntax, which is currently Python 3.12. It does not throw syntax errors if it encounters a syntax feature that is not supported by the target-version. This will be fixed in a future release (see https://github.com/astral-sh/ruff/issues/6591).

Contributing

Refer to the contributing guidelines to get started and GitHub issues with the parser label for issues that need help.