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Avoid infinite loop in constant vs. None comparisons (#9376)

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## Summary

We had an early `continue` in this loop, and we weren't setting
`comparator = next;` when continuing... This PR removes the early
continue altogether for clarity.

Closes https://github.com/astral-sh/ruff/issues/9374.

## Test Plan

`cargo test`
This commit is contained in:
Charlie Marsh 2024-01-02 23:04:52 -04:00 • committed by GitHub
parent 154d3b9f4b
commit fd36754beb
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GPG key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 25 deletions
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2
crates/ruff_linter/resources/test/fixtures/pycodestyle/E711.py vendored
View file

@ -51,3 +51,5 @@ if (True) == TrueElement or x == TrueElement:
assert (not foo) in bar
assert {"x": not foo} in bar
assert [42, not foo] in bar
assert x in c > 0 == None

6
crates/ruff_linter/src/rules/pycodestyle/rules/literal_comparisons.rs
View file

@ -200,10 +200,7 @@ pub(crate) fn literal_comparisons(checker: &mut Checker, compare: &ast::ExprComp
continue;
}
let Some(op) = EqCmpOp::try_from(*op) else {
continue;
};
if let Some(op) = EqCmpOp::try_from(*op) {
if checker.enabled(Rule::NoneComparison) && next.is_none_literal_expr() {
match op {
EqCmpOp::Eq => {
@ -237,6 +234,7 @@ pub(crate) fn literal_comparisons(checker: &mut Checker, compare: &ast::ExprComp
}
}
}
}
comparator = next;
}