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Avoid attempting to fix invalid Optional annotations (#7079)

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Charlie Marsh 2023-09-03 14:23:36 +01:00 • committed by GitHub
parent 4eaa412370
commit b70dde4a77
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3 changed files with 23 additions and 4 deletions
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4
crates/ruff/resources/test/fixtures/pyupgrade/UP007.py vendored
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@ -91,3 +91,7 @@ def f(x: Optional[int : float]) -> None:
def f(x: Optional[str, int : float]) -> None:
...
def f(x: Optional[int, float]) -> None:
...

7
crates/ruff/src/rules/pyupgrade/rules/use_pep604_annotation.rs
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@ -77,11 +77,18 @@ pub(crate) fn use_pep604_annotation(
Pep604Operator::Optional => {
let mut diagnostic = Diagnostic::new(NonPEP604Annotation, expr.range());
if fixable && checker.patch(diagnostic.kind.rule()) {
match slice {
Expr::Tuple(_) => {
// Invalid type annotation.
}
_ => {
diagnostic.set_fix(Fix::suggested(Edit::range_replacement(
optional(slice, checker.locator()),
expr.range(),
)));
}
}
}
checker.diagnostics.push(diagnostic);
}
Pep604Operator::Union => {

8
crates/ruff/src/rules/pyupgrade/snapshots/ruff__rules__pyupgrade__tests__UP007.py.snap
View file

@ -361,4 +361,12 @@ UP007.py:92:10: UP007 Use `X | Y` for type annotations
|
= help: Convert to `X | Y`
UP007.py:96:10: UP007 Use `X | Y` for type annotations
|
96 | def f(x: Optional[int, float]) -> None:
| ^^^^^^^^^^^^^^^^^^^^ UP007
97 | ...
|
= help: Convert to `X | Y`