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## Summary Add support for ty's `ty:` pragma comments to ruff's formatter and E501 Fixes https://github.com/astral-sh/ruff/issues/18529 ## Test Plan Added test
30 lines
1.4 KiB
Rust
30 lines
1.4 KiB
Rust
/// Returns `true` if a comment appears to be a pragma comment.
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///
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/// ```
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/// assert!(ruff_python_trivia::is_pragma_comment("# type: ignore"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# noqa: F401"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# noqa"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# NoQA"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# nosec"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# nosec B602, B607"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# isort: off"));
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/// assert!(ruff_python_trivia::is_pragma_comment("# isort: skip"));
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/// ```
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pub fn is_pragma_comment(comment: &str) -> bool {
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let Some(content) = comment.strip_prefix('#') else {
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return false;
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};
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let trimmed = content.trim_start();
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// Case-insensitive match against `noqa` (which doesn't require a trailing colon).
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matches!(
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trimmed.as_bytes(),
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[b'n' | b'N', b'o' | b'O', b'q' | b'Q', b'a' | b'A', ..]
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) ||
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// Case-insensitive match against pragmas that don't require a trailing colon.
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trimmed.starts_with("nosec") ||
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// Case-sensitive match against a variety of pragmas that _do_ require a trailing colon.
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trimmed
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.split_once(':')
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.is_some_and(|(maybe_pragma, _)| matches!(maybe_pragma, "isort" | "type" | "pyright" | "pylint" | "flake8" | "ruff" | "ty"))
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}
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