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[flake8-pyi] Extend fix to Python <= 3.9 for redundant-none-literal (PYI061) (#16044)
This PR extends the fix offered for [redundant-none-literal (PYI061)](https://docs.astral.sh/ruff/rules/redundant-none-literal/#redundant-none-literal-pyi061) to include Python versions <= 3.9 by using `typing.Optional` instead of the operator `|`. We also offer the fix with `|` for any target version on stub files. Closes #15795
This commit is contained in:
Dylan
GitHub
parent
a46fbda948
commit
f178ecc2d7
6 changed files with 977 additions and 120 deletions
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@ -181,6 +181,8 @@ mod tests {
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#[test_case(Rule::TypeAliasWithoutAnnotation, Path::new("PYI026.py"))]
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#[test_case(Rule::TypeAliasWithoutAnnotation, Path::new("PYI026.pyi"))]
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#[test_case(Rule::RedundantNoneLiteral, Path::new("PYI061.py"))]
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#[test_case(Rule::RedundantNoneLiteral, Path::new("PYI061.pyi"))]
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fn py38(rule_code: Rule, path: &Path) -> Result<()> {
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let snapshot = format!("py38_{}_{}", rule_code.noqa_code(), path.to_string_lossy());
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let diagnostics = test_path(
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@ -1,14 +1,18 @@
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use anyhow::Result;
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use ruff_diagnostics::{Applicability, Diagnostic, Edit, Fix, FixAvailability, Violation};
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use ruff_macros::{derive_message_formats, ViolationMetadata};
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use ruff_python_ast::{
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self as ast, Expr, ExprBinOp, ExprContext, ExprNoneLiteral, ExprSubscript, Operator,
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self as ast,
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helpers::{pep_604_union, typing_optional},
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name::Name,
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Expr, ExprBinOp, ExprContext, ExprNoneLiteral, ExprSubscript, Operator,
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};
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use ruff_python_semantic::analyze::typing::{traverse_literal, traverse_union};
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use ruff_text_size::{Ranged, TextRange};
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use smallvec::SmallVec;
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use crate::{checkers::ast::Checker, settings::types::PythonVersion};
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use crate::{checkers::ast::Checker, importer::ImportRequest, settings::types::PythonVersion};
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/// ## What it does
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/// Checks for redundant `Literal[None]` annotations.
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@ -36,16 +40,16 @@ use crate::{checkers::ast::Checker, settings::types::PythonVersion};
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/// ## Fix safety and availability
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/// This rule's fix is marked as safe unless the literal contains comments.
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///
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/// There is currently no fix available if there are other elements in the `Literal` slice aside
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/// from `None` and [`target-version`] is set to Python 3.9 or lower, as the fix always uses the
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/// `|` syntax to create unions rather than `typing.Union`, and the `|` syntax for unions was added
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/// in Python 3.10.
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/// There is currently no fix available when applying the fix would lead to
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/// a `TypeError` from an expression of the form `None | None` or when we
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/// are unable to import the symbol `typing.Optional` and the Python version
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/// is 3.9 or below.
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///
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/// ## References
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/// - [Typing documentation: Legal parameters for `Literal` at type check time](https://typing.readthedocs.io/en/latest/spec/literal.html#legal-parameters-for-literal-at-type-check-time)
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#[derive(ViolationMetadata)]
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pub(crate) struct RedundantNoneLiteral {
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other_literal_elements_seen: bool,
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union_kind: UnionKind,
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}
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impl Violation for RedundantNoneLiteral {
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@ -53,18 +57,22 @@ impl Violation for RedundantNoneLiteral {
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#[derive_message_formats]
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fn message(&self) -> String {
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if self.other_literal_elements_seen {
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"`Literal[None, ...]` can be replaced with `Literal[...] | None`".to_string()
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} else {
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"`Literal[None]` can be replaced with `None`".to_string()
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match self.union_kind {
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UnionKind::NoUnion => "Use `None` rather than `Literal[None]`".to_string(),
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UnionKind::TypingOptional => {
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"Use `Optional[Literal[...]]` rather than `Literal[None, ...]` ".to_string()
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}
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UnionKind::BitOr => {
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"Use `Literal[...] | None` rather than `Literal[None, ...]` ".to_string()
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}
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}
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}
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fn fix_title(&self) -> Option<String> {
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Some(if self.other_literal_elements_seen {
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"Replace with `Literal[...] | None`".to_string()
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} else {
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"Replace with `None`".to_string()
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Some(match self.union_kind {
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UnionKind::NoUnion => "Replace with `None`".to_string(),
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UnionKind::TypingOptional => "Replace with `Optional[Literal[...]]`".to_string(),
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UnionKind::BitOr => "Replace with `Literal[...] | None`".to_string(),
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})
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}
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}
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@ -102,31 +110,29 @@ pub(crate) fn redundant_none_literal<'a>(checker: &Checker, literal_expr: &'a Ex
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return;
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}
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let other_literal_elements_seen = !literal_elements.is_empty();
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let union_kind = if literal_elements.is_empty() {
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UnionKind::NoUnion
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} else if (checker.settings.target_version >= PythonVersion::Py310)
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|| checker.source_type.is_stub()
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{
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UnionKind::BitOr
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} else {
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UnionKind::TypingOptional
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};
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// N.B. Applying the fix can leave an unused import to be fixed by the `unused-import` rule.
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let fix =
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create_fix_edit(checker, literal_expr, literal_subscript, literal_elements).map(|edit| {
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Fix::applicable_edit(
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edit,
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if checker.comment_ranges().intersects(literal_expr.range()) {
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Applicability::Unsafe
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} else {
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Applicability::Safe
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},
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for none_expr in none_exprs {
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let mut diagnostic =
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Diagnostic::new(RedundantNoneLiteral { union_kind }, none_expr.range());
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diagnostic.try_set_optional_fix(|| {
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create_fix(
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checker,
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literal_expr,
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literal_subscript,
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literal_elements.clone(),
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union_kind,
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)
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});
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for none_expr in none_exprs {
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let mut diagnostic = Diagnostic::new(
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RedundantNoneLiteral {
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other_literal_elements_seen,
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},
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none_expr.range(),
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);
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if let Some(ref fix) = fix {
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diagnostic.set_fix(fix.clone());
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}
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checker.report_diagnostic(diagnostic);
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}
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}
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@ -140,12 +146,13 @@ pub(crate) fn redundant_none_literal<'a>(checker: &Checker, literal_expr: &'a Ex
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/// See <https://github.com/astral-sh/ruff/issues/14567>.
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///
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/// [`typing.Union`]: https://docs.python.org/3/library/typing.html#typing.Union
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fn create_fix_edit(
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fn create_fix(
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checker: &Checker,
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literal_expr: &Expr,
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literal_subscript: &Expr,
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literal_elements: Vec<&Expr>,
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) -> Option<Edit> {
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union_kind: UnionKind,
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) -> Result<Option<Fix>> {
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let semantic = checker.semantic();
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let enclosing_pep604_union = semantic
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@ -185,44 +192,71 @@ fn create_fix_edit(
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);
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if !is_fixable {
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return None;
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return Ok(None);
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}
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}
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if literal_elements.is_empty() {
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return Some(Edit::range_replacement(
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"None".to_string(),
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literal_expr.range(),
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));
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let applicability = if checker.comment_ranges().intersects(literal_expr.range()) {
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Applicability::Unsafe
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} else {
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Applicability::Safe
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};
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if matches!(union_kind, UnionKind::NoUnion) {
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return Ok(Some(Fix::applicable_edit(
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Edit::range_replacement("None".to_string(), literal_expr.range()),
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applicability,
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)));
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}
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if checker.settings.target_version < PythonVersion::Py310 {
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return None;
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}
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let bin_or = Expr::BinOp(ExprBinOp {
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let new_literal_expr = Expr::Subscript(ast::ExprSubscript {
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value: Box::new(literal_subscript.clone()),
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range: TextRange::default(),
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left: Box::new(Expr::Subscript(ast::ExprSubscript {
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value: Box::new(literal_subscript.clone()),
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range: TextRange::default(),
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ctx: ExprContext::Load,
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slice: Box::new(if literal_elements.len() > 1 {
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Expr::Tuple(ast::ExprTuple {
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elts: literal_elements.into_iter().cloned().collect(),
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range: TextRange::default(),
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ctx: ExprContext::Load,
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parenthesized: true,
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})
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} else {
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literal_elements[0].clone()
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}),
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})),
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op: ruff_python_ast::Operator::BitOr,
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right: Box::new(Expr::NoneLiteral(ExprNoneLiteral {
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range: TextRange::default(),
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})),
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ctx: ExprContext::Load,
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slice: Box::new(if literal_elements.len() > 1 {
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Expr::Tuple(ast::ExprTuple {
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elts: literal_elements.into_iter().cloned().collect(),
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range: TextRange::default(),
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ctx: ExprContext::Load,
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parenthesized: true,
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})
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} else {
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literal_elements[0].clone()
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}),
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});
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let content = checker.generator().expr(&bin_or);
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Some(Edit::range_replacement(content, literal_expr.range()))
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let fix = match union_kind {
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UnionKind::TypingOptional => {
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let (import_edit, bound_name) = checker.importer().get_or_import_symbol(
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&ImportRequest::import_from("typing", "Optional"),
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literal_expr.start(),
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checker.semantic(),
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)?;
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let optional_expr = typing_optional(new_literal_expr, Name::from(bound_name));
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let content = checker.generator().expr(&optional_expr);
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let optional_edit = Edit::range_replacement(content, literal_expr.range());
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Fix::applicable_edits(import_edit, [optional_edit], applicability)
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}
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UnionKind::BitOr => {
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let none_expr = Expr::NoneLiteral(ExprNoneLiteral {
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range: TextRange::default(),
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});
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let union_expr = pep_604_union(&[new_literal_expr, none_expr]);
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let content = checker.generator().expr(&union_expr);
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let union_edit = Edit::range_replacement(content, literal_expr.range());
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Fix::applicable_edit(union_edit, applicability)
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}
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// We dealt with this case earlier to avoid allocating `lhs` and `rhs`
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UnionKind::NoUnion => {
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unreachable!()
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}
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};
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Ok(Some(fix))
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}
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#[derive(Copy, Clone, Debug, PartialEq, Eq)]
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enum UnionKind {
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NoUnion,
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TypingOptional,
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BitOr,
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}
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@ -1,7 +1,7 @@
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---
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source: crates/ruff_linter/src/rules/flake8_pyi/mod.rs
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---
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PYI061.py:4:25: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:4:25: PYI061 [*] Use `None` rather than `Literal[None]`
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4 | def func1(arg1: Literal[None]):
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| ^^^^ PYI061
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@ -19,7 +19,7 @@ PYI061.py:4:25: PYI061 [*] `Literal[None]` can be replaced with `None`
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6 6 |
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7 7 |
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PYI061.py:8:25: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:8:25: PYI061 [*] Use `None` rather than `Literal[None]`
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8 | def func2(arg1: Literal[None] | int):
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| ^^^^ PYI061
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@ -37,7 +37,7 @@ PYI061.py:8:25: PYI061 [*] `Literal[None]` can be replaced with `None`
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10 10 |
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11 11 |
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PYI061.py:12:24: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:12:24: PYI061 [*] Use `None` rather than `Literal[None]`
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12 | def func3() -> Literal[None]:
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| ^^^^ PYI061
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@ -55,7 +55,7 @@ PYI061.py:12:24: PYI061 [*] `Literal[None]` can be replaced with `None`
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14 14 |
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15 15 |
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PYI061.py:16:30: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
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PYI061.py:16:30: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
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16 | def func4(arg1: Literal[int, None, float]):
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| ^^^^ PYI061
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@ -73,7 +73,7 @@ PYI061.py:16:30: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[.
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18 18 |
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19 19 |
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PYI061.py:20:25: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:20:25: PYI061 [*] Use `None` rather than `Literal[None]`
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20 | def func5(arg1: Literal[None, None]):
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| ^^^^ PYI061
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@ -91,7 +91,7 @@ PYI061.py:20:25: PYI061 [*] `Literal[None]` can be replaced with `None`
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22 22 |
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23 23 |
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PYI061.py:20:31: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:20:31: PYI061 [*] Use `None` rather than `Literal[None]`
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20 | def func5(arg1: Literal[None, None]):
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| ^^^^ PYI061
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@ -109,7 +109,7 @@ PYI061.py:20:31: PYI061 [*] `Literal[None]` can be replaced with `None`
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22 22 |
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23 23 |
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PYI061.py:26:5: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
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PYI061.py:26:5: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
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24 | def func6(arg1: Literal[
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25 | "hello",
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@ -134,7 +134,7 @@ PYI061.py:26:5: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[..
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30 26 |
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31 27 |
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PYI061.py:33:5: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:33:5: PYI061 [*] Use `None` rather than `Literal[None]`
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32 | def func7(arg1: Literal[
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33 | None # Comment 1
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@ -156,7 +156,7 @@ PYI061.py:33:5: PYI061 [*] `Literal[None]` can be replaced with `None`
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36 34 |
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37 35 |
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PYI061.py:38:25: PYI061 `Literal[None]` can be replaced with `None`
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PYI061.py:38:25: PYI061 Use `None` rather than `Literal[None]`
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|
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38 | def func8(arg1: Literal[None] | None):
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| ^^^^ PYI061
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@ -164,7 +164,7 @@ PYI061.py:38:25: PYI061 `Literal[None]` can be replaced with `None`
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= help: Replace with `None`
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PYI061.py:42:31: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:42:31: PYI061 [*] Use `None` rather than `Literal[None]`
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|
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42 | def func9(arg1: Union[Literal[None], None]):
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| ^^^^ PYI061
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@ -182,7 +182,7 @@ PYI061.py:42:31: PYI061 [*] `Literal[None]` can be replaced with `None`
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44 44 |
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45 45 |
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PYI061.py:52:9: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:52:9: PYI061 [*] Use `None` rather than `Literal[None]`
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|
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51 | # From flake8-pyi
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52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
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@ -201,7 +201,7 @@ PYI061.py:52:9: PYI061 [*] `Literal[None]` can be replaced with `None`
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54 54 |
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55 55 | ###
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PYI061.py:53:15: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
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PYI061.py:53:15: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
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|
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51 | # From flake8-pyi
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52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
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@ -222,7 +222,7 @@ PYI061.py:53:15: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[.
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55 55 | ###
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56 56 | # The following rules here are slightly subtle,
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PYI061.py:62:9: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:62:9: PYI061 [*] Use `None` rather than `Literal[None]`
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|
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60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
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61 | # only emit Y061...
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@ -242,7 +242,7 @@ PYI061.py:62:9: PYI061 [*] `Literal[None]` can be replaced with `None`
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64 64 |
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65 65 | # ... but if Y061 and Y062 both apply
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PYI061.py:62:15: PYI061 [*] `Literal[None]` can be replaced with `None`
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PYI061.py:62:15: PYI061 [*] Use `None` rather than `Literal[None]`
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|
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60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
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61 | # only emit Y061...
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@ -262,7 +262,7 @@ PYI061.py:62:15: PYI061 [*] `Literal[None]` can be replaced with `None`
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64 64 |
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65 65 | # ... but if Y061 and Y062 both apply
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PYI061.py:63:12: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.py:63:12: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
61 | # only emit Y061...
|
||||
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
|
|
@ -283,7 +283,7 @@ PYI061.py:63:12: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[.
|
|||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
66 66 | # and there are no None members in the Literal[] slice,
|
||||
|
||||
PYI061.py:63:25: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.py:63:25: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
61 | # only emit Y061...
|
||||
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
|
|
@ -304,7 +304,7 @@ PYI061.py:63:25: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[.
|
|||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
66 66 | # and there are no None members in the Literal[] slice,
|
||||
|
||||
PYI061.py:68:9: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.py:68:9: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
66 | # and there are no None members in the Literal[] slice,
|
||||
67 | # only emit Y062:
|
||||
|
|
@ -323,7 +323,7 @@ PYI061.py:68:9: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[..
|
|||
70 70 |
|
||||
71 71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
|
||||
PYI061.py:68:21: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.py:68:21: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
66 | # and there are no None members in the Literal[] slice,
|
||||
67 | # only emit Y062:
|
||||
|
|
@ -342,7 +342,7 @@ PYI061.py:68:21: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[.
|
|||
70 70 |
|
||||
71 71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
|
||||
PYI061.py:72:12: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:72:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
72 | x: Literal[None] | None
|
||||
|
|
@ -352,7 +352,7 @@ PYI061.py:72:12: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:73:19: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:73:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
72 | x: Literal[None] | None
|
||||
|
|
@ -362,7 +362,7 @@ PYI061.py:73:19: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:74:18: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:74:18: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
72 | x: Literal[None] | None
|
||||
73 | y: None | Literal[None]
|
||||
|
|
@ -383,7 +383,7 @@ PYI061.py:74:18: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
76 76 | a: int | Literal[None] | None
|
||||
77 77 | b: None | Literal[None] | None
|
||||
|
||||
PYI061.py:76:18: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:76:18: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
74 | z: Union[Literal[None], None]
|
||||
75 |
|
||||
|
|
@ -394,7 +394,7 @@ PYI061.py:76:18: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:77:19: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:77:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
76 | a: int | Literal[None] | None
|
||||
77 | b: None | Literal[None] | None
|
||||
|
|
@ -404,7 +404,7 @@ PYI061.py:77:19: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:78:20: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:78:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
76 | a: int | Literal[None] | None
|
||||
77 | b: None | Literal[None] | None
|
||||
|
|
@ -415,7 +415,7 @@ PYI061.py:78:20: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:79:20: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:79:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
77 | b: None | Literal[None] | None
|
||||
78 | c: (None | Literal[None]) | None
|
||||
|
|
@ -426,7 +426,7 @@ PYI061.py:79:20: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:80:28: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:80:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
78 | c: (None | Literal[None]) | None
|
||||
79 | d: None | (Literal[None] | None)
|
||||
|
|
@ -436,7 +436,7 @@ PYI061.py:80:28: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:81:12: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:81:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
79 | d: None | (Literal[None] | None)
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
|
|
@ -445,7 +445,7 @@ PYI061.py:81:12: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:81:28: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.py:81:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
79 | d: None | (Literal[None] | None)
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
---
|
||||
source: crates/ruff_linter/src/rules/flake8_pyi/mod.rs
|
||||
---
|
||||
PYI061.pyi:4:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:4:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
4 | def func1(arg1: Literal[None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -18,7 +18,7 @@ PYI061.pyi:4:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
6 6 |
|
||||
7 7 | def func2(arg1: Literal[None] | int): ...
|
||||
|
||||
PYI061.pyi:7:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:7:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
7 | def func2(arg1: Literal[None] | int): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -35,7 +35,7 @@ PYI061.pyi:7:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
9 9 |
|
||||
10 10 | def func3() -> Literal[None]: ...
|
||||
|
||||
PYI061.pyi:10:24: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:10:24: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
10 | def func3() -> Literal[None]: ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -52,7 +52,7 @@ PYI061.pyi:10:24: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
12 12 |
|
||||
13 13 | def func4(arg1: Literal[int, None, float]): ...
|
||||
|
||||
PYI061.pyi:13:30: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.pyi:13:30: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
13 | def func4(arg1: Literal[int, None, float]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -69,7 +69,7 @@ PYI061.pyi:13:30: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[
|
|||
15 15 |
|
||||
16 16 | def func5(arg1: Literal[None, None]): ...
|
||||
|
||||
PYI061.pyi:16:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:16:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
16 | def func5(arg1: Literal[None, None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -86,7 +86,7 @@ PYI061.pyi:16:25: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
18 18 |
|
||||
19 19 | def func6(arg1: Literal[
|
||||
|
||||
PYI061.pyi:16:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:16:31: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
16 | def func5(arg1: Literal[None, None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -103,7 +103,7 @@ PYI061.pyi:16:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
18 18 |
|
||||
19 19 | def func6(arg1: Literal[
|
||||
|
||||
PYI061.pyi:21:5: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.pyi:21:5: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
19 | def func6(arg1: Literal[
|
||||
20 | "hello",
|
||||
|
|
@ -128,7 +128,7 @@ PYI061.pyi:21:5: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[.
|
|||
25 21 |
|
||||
26 22 | def func7(arg1: Literal[
|
||||
|
||||
PYI061.pyi:27:5: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:27:5: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
26 | def func7(arg1: Literal[
|
||||
27 | None # Comment 1
|
||||
|
|
@ -149,14 +149,14 @@ PYI061.pyi:27:5: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
30 28 |
|
||||
31 29 | def func8(arg1: Literal[None] | None):...
|
||||
|
||||
PYI061.pyi:31:25: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:31:25: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
31 | def func8(arg1: Literal[None] | None):...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:34:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:34:31: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
34 | def func9(arg1: Union[Literal[None], None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
@ -173,7 +173,7 @@ PYI061.pyi:34:31: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
36 36 |
|
||||
37 37 | # OK
|
||||
|
||||
PYI061.pyi:42:9: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:42:9: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
41 | # From flake8-pyi
|
||||
42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
|
|
@ -192,7 +192,7 @@ PYI061.pyi:42:9: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
44 44 |
|
||||
45 45 |
|
||||
|
||||
PYI061.pyi:43:15: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[...] | None`
|
||||
PYI061.pyi:43:15: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
41 | # From flake8-pyi
|
||||
42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
|
|
@ -211,7 +211,7 @@ PYI061.pyi:43:15: PYI061 [*] `Literal[None, ...]` can be replaced with `Literal[
|
|||
45 45 |
|
||||
46 46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
|
||||
PYI061.pyi:47:12: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:47:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
47 | x: Literal[None] | None
|
||||
|
|
@ -221,7 +221,7 @@ PYI061.pyi:47:12: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:48:19: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:48:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
47 | x: Literal[None] | None
|
||||
|
|
@ -231,7 +231,7 @@ PYI061.pyi:48:19: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:49:18: PYI061 [*] `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:49:18: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
47 | x: Literal[None] | None
|
||||
48 | y: None | Literal[None]
|
||||
|
|
@ -252,7 +252,7 @@ PYI061.pyi:49:18: PYI061 [*] `Literal[None]` can be replaced with `None`
|
|||
51 51 | a: int | Literal[None] | None
|
||||
52 52 | b: None | Literal[None] | None
|
||||
|
||||
PYI061.pyi:51:18: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:51:18: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
49 | z: Union[Literal[None], None]
|
||||
50 |
|
||||
|
|
@ -263,7 +263,7 @@ PYI061.pyi:51:18: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:52:19: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:52:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
51 | a: int | Literal[None] | None
|
||||
52 | b: None | Literal[None] | None
|
||||
|
|
@ -273,7 +273,7 @@ PYI061.pyi:52:19: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:53:20: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:53:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
51 | a: int | Literal[None] | None
|
||||
52 | b: None | Literal[None] | None
|
||||
|
|
@ -284,7 +284,7 @@ PYI061.pyi:53:20: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:54:20: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:54:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
52 | b: None | Literal[None] | None
|
||||
53 | c: (None | Literal[None]) | None
|
||||
|
|
@ -295,7 +295,7 @@ PYI061.pyi:54:20: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:55:28: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:55:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
53 | c: (None | Literal[None]) | None
|
||||
54 | d: None | (Literal[None] | None)
|
||||
|
|
@ -305,7 +305,7 @@ PYI061.pyi:55:28: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:56:12: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:56:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
54 | d: None | (Literal[None] | None)
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
|
|
@ -314,7 +314,7 @@ PYI061.pyi:56:12: PYI061 `Literal[None]` can be replaced with `None`
|
|||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:56:28: PYI061 `Literal[None]` can be replaced with `None`
|
||||
PYI061.pyi:56:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
54 | d: None | (Literal[None] | None)
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
|
|
|
|||
|
|
@ -0,0 +1,497 @@
|
|||
---
|
||||
source: crates/ruff_linter/src/rules/flake8_pyi/mod.rs
|
||||
---
|
||||
PYI061.py:4:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
4 | def func1(arg1: Literal[None]):
|
||||
| ^^^^ PYI061
|
||||
5 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
1 1 | from typing import Literal, Union
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 |-def func1(arg1: Literal[None]):
|
||||
4 |+def func1(arg1: None):
|
||||
5 5 | ...
|
||||
6 6 |
|
||||
7 7 |
|
||||
|
||||
PYI061.py:8:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
8 | def func2(arg1: Literal[None] | int):
|
||||
| ^^^^ PYI061
|
||||
9 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
5 5 | ...
|
||||
6 6 |
|
||||
7 7 |
|
||||
8 |-def func2(arg1: Literal[None] | int):
|
||||
8 |+def func2(arg1: None | int):
|
||||
9 9 | ...
|
||||
10 10 |
|
||||
11 11 |
|
||||
|
||||
PYI061.py:12:24: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
12 | def func3() -> Literal[None]:
|
||||
| ^^^^ PYI061
|
||||
13 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
9 9 | ...
|
||||
10 10 |
|
||||
11 11 |
|
||||
12 |-def func3() -> Literal[None]:
|
||||
12 |+def func3() -> None:
|
||||
13 13 | ...
|
||||
14 14 |
|
||||
15 15 |
|
||||
|
||||
PYI061.py:16:30: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
16 | def func4(arg1: Literal[int, None, float]):
|
||||
| ^^^^ PYI061
|
||||
17 | ...
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Safe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
13 13 | ...
|
||||
14 14 |
|
||||
15 15 |
|
||||
16 |-def func4(arg1: Literal[int, None, float]):
|
||||
16 |+def func4(arg1: Optional[Literal[int, float]]):
|
||||
17 17 | ...
|
||||
18 18 |
|
||||
19 19 |
|
||||
|
||||
PYI061.py:20:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
20 | def func5(arg1: Literal[None, None]):
|
||||
| ^^^^ PYI061
|
||||
21 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
17 17 | ...
|
||||
18 18 |
|
||||
19 19 |
|
||||
20 |-def func5(arg1: Literal[None, None]):
|
||||
20 |+def func5(arg1: None):
|
||||
21 21 | ...
|
||||
22 22 |
|
||||
23 23 |
|
||||
|
||||
PYI061.py:20:31: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
20 | def func5(arg1: Literal[None, None]):
|
||||
| ^^^^ PYI061
|
||||
21 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
17 17 | ...
|
||||
18 18 |
|
||||
19 19 |
|
||||
20 |-def func5(arg1: Literal[None, None]):
|
||||
20 |+def func5(arg1: None):
|
||||
21 21 | ...
|
||||
22 22 |
|
||||
23 23 |
|
||||
|
||||
PYI061.py:26:5: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
24 | def func6(arg1: Literal[
|
||||
25 | "hello",
|
||||
26 | None # Comment 1
|
||||
| ^^^^ PYI061
|
||||
27 | , "world"
|
||||
28 | ]):
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Unsafe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
21 21 | ...
|
||||
22 22 |
|
||||
23 23 |
|
||||
24 |-def func6(arg1: Literal[
|
||||
25 |- "hello",
|
||||
26 |- None # Comment 1
|
||||
27 |- , "world"
|
||||
28 |- ]):
|
||||
24 |+def func6(arg1: Optional[Literal["hello", "world"]]):
|
||||
29 25 | ...
|
||||
30 26 |
|
||||
31 27 |
|
||||
|
||||
PYI061.py:33:5: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
32 | def func7(arg1: Literal[
|
||||
33 | None # Comment 1
|
||||
| ^^^^ PYI061
|
||||
34 | ]):
|
||||
35 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Unsafe fix
|
||||
29 29 | ...
|
||||
30 30 |
|
||||
31 31 |
|
||||
32 |-def func7(arg1: Literal[
|
||||
33 |- None # Comment 1
|
||||
34 |- ]):
|
||||
32 |+def func7(arg1: None):
|
||||
35 33 | ...
|
||||
36 34 |
|
||||
37 35 |
|
||||
|
||||
PYI061.py:38:25: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
38 | def func8(arg1: Literal[None] | None):
|
||||
| ^^^^ PYI061
|
||||
39 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:42:31: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
42 | def func9(arg1: Union[Literal[None], None]):
|
||||
| ^^^^ PYI061
|
||||
43 | ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
39 39 | ...
|
||||
40 40 |
|
||||
41 41 |
|
||||
42 |-def func9(arg1: Union[Literal[None], None]):
|
||||
42 |+def func9(arg1: Union[None, None]):
|
||||
43 43 | ...
|
||||
44 44 |
|
||||
45 45 |
|
||||
|
||||
PYI061.py:52:9: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
51 | # From flake8-pyi
|
||||
52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
| ^^^^ PYI061
|
||||
53 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
49 49 |
|
||||
50 50 |
|
||||
51 51 | # From flake8-pyi
|
||||
52 |-Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
52 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
53 53 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
54 54 |
|
||||
55 55 | ###
|
||||
|
||||
PYI061.py:53:15: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
51 | # From flake8-pyi
|
||||
52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
53 | Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
| ^^^^ PYI061
|
||||
54 |
|
||||
55 | ###
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Safe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
50 50 |
|
||||
51 51 | # From flake8-pyi
|
||||
52 52 | Literal[None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
53 |-Literal[True, None] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
53 |+Optional[Literal[True]] # Y061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
54 54 |
|
||||
55 55 | ###
|
||||
56 56 | # The following rules here are slightly subtle,
|
||||
|
||||
PYI061.py:62:9: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
|
||||
61 | # only emit Y061...
|
||||
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
| ^^^^ PYI061
|
||||
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
59 59 |
|
||||
60 60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
|
||||
61 61 | # only emit Y061...
|
||||
62 |-Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
62 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
63 63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
64 64 |
|
||||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
|
||||
PYI061.py:62:15: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
|
||||
61 | # only emit Y061...
|
||||
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
| ^^^^ PYI061
|
||||
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
59 59 |
|
||||
60 60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
|
||||
61 61 | # only emit Y061...
|
||||
62 |-Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
62 |+None # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
63 63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
64 64 |
|
||||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
|
||||
PYI061.py:63:12: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
61 | # only emit Y061...
|
||||
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
| ^^^^ PYI061
|
||||
64 |
|
||||
65 | # ... but if Y061 and Y062 both apply
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Safe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
60 60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
|
||||
61 61 | # only emit Y061...
|
||||
62 62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
63 |-Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
63 |+Optional[Literal[1, "foo"]] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
64 64 |
|
||||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
66 66 | # and there are no None members in the Literal[] slice,
|
||||
|
||||
PYI061.py:63:25: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
61 | # only emit Y061...
|
||||
62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
63 | Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
| ^^^^ PYI061
|
||||
64 |
|
||||
65 | # ... but if Y061 and Y062 both apply
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Safe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
60 60 | # If Y061 and Y062 both apply, but all the duplicate members are None,
|
||||
61 61 | # only emit Y061...
|
||||
62 62 | Literal[None, None] # Y061 None inside "Literal[]" expression. Replace with "None"
|
||||
63 |-Literal[1, None, "foo", None] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
63 |+Optional[Literal[1, "foo"]] # Y061 None inside "Literal[]" expression. Replace with "Literal[1, 'foo'] | None"
|
||||
64 64 |
|
||||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
66 66 | # and there are no None members in the Literal[] slice,
|
||||
|
||||
PYI061.py:68:9: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
66 | # and there are no None members in the Literal[] slice,
|
||||
67 | # only emit Y062:
|
||||
68 | Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Safe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
66 66 | # and there are no None members in the Literal[] slice,
|
||||
67 67 | # only emit Y062:
|
||||
68 |-Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
|
||||
68 |+Optional[Literal[True, True]] # Y062 Duplicate "Literal[]" member "True"
|
||||
69 69 |
|
||||
70 70 |
|
||||
71 71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
|
||||
PYI061.py:68:21: PYI061 [*] Use `Optional[Literal[...]]` rather than `Literal[None, ...]`
|
||||
|
|
||||
66 | # and there are no None members in the Literal[] slice,
|
||||
67 | # only emit Y062:
|
||||
68 | Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `Optional[Literal[...]]`
|
||||
|
||||
ℹ Safe fix
|
||||
1 |-from typing import Literal, Union
|
||||
1 |+from typing import Literal, Union, Optional
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 4 | def func1(arg1: Literal[None]):
|
||||
--------------------------------------------------------------------------------
|
||||
65 65 | # ... but if Y061 and Y062 both apply
|
||||
66 66 | # and there are no None members in the Literal[] slice,
|
||||
67 67 | # only emit Y062:
|
||||
68 |-Literal[None, True, None, True] # Y062 Duplicate "Literal[]" member "True"
|
||||
68 |+Optional[Literal[True, True]] # Y062 Duplicate "Literal[]" member "True"
|
||||
69 69 |
|
||||
70 70 |
|
||||
71 71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
|
||||
PYI061.py:72:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
72 | x: Literal[None] | None
|
||||
| ^^^^ PYI061
|
||||
73 | y: None | Literal[None]
|
||||
74 | z: Union[Literal[None], None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:73:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
72 | x: Literal[None] | None
|
||||
73 | y: None | Literal[None]
|
||||
| ^^^^ PYI061
|
||||
74 | z: Union[Literal[None], None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:74:18: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
72 | x: Literal[None] | None
|
||||
73 | y: None | Literal[None]
|
||||
74 | z: Union[Literal[None], None]
|
||||
| ^^^^ PYI061
|
||||
75 |
|
||||
76 | a: int | Literal[None] | None
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
71 71 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
72 72 | x: Literal[None] | None
|
||||
73 73 | y: None | Literal[None]
|
||||
74 |-z: Union[Literal[None], None]
|
||||
74 |+z: Union[None, None]
|
||||
75 75 |
|
||||
76 76 | a: int | Literal[None] | None
|
||||
77 77 | b: None | Literal[None] | None
|
||||
|
||||
PYI061.py:76:18: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
74 | z: Union[Literal[None], None]
|
||||
75 |
|
||||
76 | a: int | Literal[None] | None
|
||||
| ^^^^ PYI061
|
||||
77 | b: None | Literal[None] | None
|
||||
78 | c: (None | Literal[None]) | None
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:77:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
76 | a: int | Literal[None] | None
|
||||
77 | b: None | Literal[None] | None
|
||||
| ^^^^ PYI061
|
||||
78 | c: (None | Literal[None]) | None
|
||||
79 | d: None | (Literal[None] | None)
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:78:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
76 | a: int | Literal[None] | None
|
||||
77 | b: None | Literal[None] | None
|
||||
78 | c: (None | Literal[None]) | None
|
||||
| ^^^^ PYI061
|
||||
79 | d: None | (Literal[None] | None)
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:79:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
77 | b: None | Literal[None] | None
|
||||
78 | c: (None | Literal[None]) | None
|
||||
79 | d: None | (Literal[None] | None)
|
||||
| ^^^^ PYI061
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
81 | f: Literal[None] | Literal[None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:80:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
78 | c: (None | Literal[None]) | None
|
||||
79 | d: None | (Literal[None] | None)
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
| ^^^^ PYI061
|
||||
81 | f: Literal[None] | Literal[None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:81:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
79 | d: None | (Literal[None] | None)
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
81 | f: Literal[None] | Literal[None]
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.py:81:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
79 | d: None | (Literal[None] | None)
|
||||
80 | e: None | ((None | Literal[None]) | None) | None
|
||||
81 | f: Literal[None] | Literal[None]
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
|
@ -0,0 +1,324 @@
|
|||
---
|
||||
source: crates/ruff_linter/src/rules/flake8_pyi/mod.rs
|
||||
---
|
||||
PYI061.pyi:4:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
4 | def func1(arg1: Literal[None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
1 1 | from typing import Literal, Union
|
||||
2 2 |
|
||||
3 3 |
|
||||
4 |-def func1(arg1: Literal[None]): ...
|
||||
4 |+def func1(arg1: None): ...
|
||||
5 5 |
|
||||
6 6 |
|
||||
7 7 | def func2(arg1: Literal[None] | int): ...
|
||||
|
||||
PYI061.pyi:7:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
7 | def func2(arg1: Literal[None] | int): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
4 4 | def func1(arg1: Literal[None]): ...
|
||||
5 5 |
|
||||
6 6 |
|
||||
7 |-def func2(arg1: Literal[None] | int): ...
|
||||
7 |+def func2(arg1: None | int): ...
|
||||
8 8 |
|
||||
9 9 |
|
||||
10 10 | def func3() -> Literal[None]: ...
|
||||
|
||||
PYI061.pyi:10:24: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
10 | def func3() -> Literal[None]: ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
7 7 | def func2(arg1: Literal[None] | int): ...
|
||||
8 8 |
|
||||
9 9 |
|
||||
10 |-def func3() -> Literal[None]: ...
|
||||
10 |+def func3() -> None: ...
|
||||
11 11 |
|
||||
12 12 |
|
||||
13 13 | def func4(arg1: Literal[int, None, float]): ...
|
||||
|
||||
PYI061.pyi:13:30: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
13 | def func4(arg1: Literal[int, None, float]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `Literal[...] | None`
|
||||
|
||||
ℹ Safe fix
|
||||
10 10 | def func3() -> Literal[None]: ...
|
||||
11 11 |
|
||||
12 12 |
|
||||
13 |-def func4(arg1: Literal[int, None, float]): ...
|
||||
13 |+def func4(arg1: Literal[int, float] | None): ...
|
||||
14 14 |
|
||||
15 15 |
|
||||
16 16 | def func5(arg1: Literal[None, None]): ...
|
||||
|
||||
PYI061.pyi:16:25: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
16 | def func5(arg1: Literal[None, None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
13 13 | def func4(arg1: Literal[int, None, float]): ...
|
||||
14 14 |
|
||||
15 15 |
|
||||
16 |-def func5(arg1: Literal[None, None]): ...
|
||||
16 |+def func5(arg1: None): ...
|
||||
17 17 |
|
||||
18 18 |
|
||||
19 19 | def func6(arg1: Literal[
|
||||
|
||||
PYI061.pyi:16:31: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
16 | def func5(arg1: Literal[None, None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
13 13 | def func4(arg1: Literal[int, None, float]): ...
|
||||
14 14 |
|
||||
15 15 |
|
||||
16 |-def func5(arg1: Literal[None, None]): ...
|
||||
16 |+def func5(arg1: None): ...
|
||||
17 17 |
|
||||
18 18 |
|
||||
19 19 | def func6(arg1: Literal[
|
||||
|
||||
PYI061.pyi:21:5: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
19 | def func6(arg1: Literal[
|
||||
20 | "hello",
|
||||
21 | None # Comment 1
|
||||
| ^^^^ PYI061
|
||||
22 | , "world"
|
||||
23 | ]): ...
|
||||
|
|
||||
= help: Replace with `Literal[...] | None`
|
||||
|
||||
ℹ Unsafe fix
|
||||
16 16 | def func5(arg1: Literal[None, None]): ...
|
||||
17 17 |
|
||||
18 18 |
|
||||
19 |-def func6(arg1: Literal[
|
||||
20 |- "hello",
|
||||
21 |- None # Comment 1
|
||||
22 |- , "world"
|
||||
23 |-]): ...
|
||||
19 |+def func6(arg1: Literal["hello", "world"] | None): ...
|
||||
24 20 |
|
||||
25 21 |
|
||||
26 22 | def func7(arg1: Literal[
|
||||
|
||||
PYI061.pyi:27:5: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
26 | def func7(arg1: Literal[
|
||||
27 | None # Comment 1
|
||||
| ^^^^ PYI061
|
||||
28 | ]): ...
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Unsafe fix
|
||||
23 23 | ]): ...
|
||||
24 24 |
|
||||
25 25 |
|
||||
26 |-def func7(arg1: Literal[
|
||||
27 |- None # Comment 1
|
||||
28 |-]): ...
|
||||
26 |+def func7(arg1: None): ...
|
||||
29 27 |
|
||||
30 28 |
|
||||
31 29 | def func8(arg1: Literal[None] | None):...
|
||||
|
||||
PYI061.pyi:31:25: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
31 | def func8(arg1: Literal[None] | None):...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:34:31: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
34 | def func9(arg1: Union[Literal[None], None]): ...
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
31 31 | def func8(arg1: Literal[None] | None):...
|
||||
32 32 |
|
||||
33 33 |
|
||||
34 |-def func9(arg1: Union[Literal[None], None]): ...
|
||||
34 |+def func9(arg1: Union[None, None]): ...
|
||||
35 35 |
|
||||
36 36 |
|
||||
37 37 | # OK
|
||||
|
||||
PYI061.pyi:42:9: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
41 | # From flake8-pyi
|
||||
42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
| ^^^^ PYI061
|
||||
43 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
39 39 |
|
||||
40 40 |
|
||||
41 41 | # From flake8-pyi
|
||||
42 |-Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
42 |+None # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
43 43 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
44 44 |
|
||||
45 45 |
|
||||
|
||||
PYI061.pyi:43:15: PYI061 [*] Use `Literal[...] | None` rather than `Literal[None, ...]`
|
||||
|
|
||||
41 | # From flake8-pyi
|
||||
42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
43 | Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `Literal[...] | None`
|
||||
|
||||
ℹ Safe fix
|
||||
40 40 |
|
||||
41 41 | # From flake8-pyi
|
||||
42 42 | Literal[None] # PYI061 None inside "Literal[]" expression. Replace with "None"
|
||||
43 |-Literal[True, None] # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
43 |+Literal[True] | None # PYI061 None inside "Literal[]" expression. Replace with "Literal[True] | None"
|
||||
44 44 |
|
||||
45 45 |
|
||||
46 46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
|
||||
PYI061.pyi:47:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
47 | x: Literal[None] | None
|
||||
| ^^^^ PYI061
|
||||
48 | y: None | Literal[None]
|
||||
49 | z: Union[Literal[None], None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:48:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
47 | x: Literal[None] | None
|
||||
48 | y: None | Literal[None]
|
||||
| ^^^^ PYI061
|
||||
49 | z: Union[Literal[None], None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:49:18: PYI061 [*] Use `None` rather than `Literal[None]`
|
||||
|
|
||||
47 | x: Literal[None] | None
|
||||
48 | y: None | Literal[None]
|
||||
49 | z: Union[Literal[None], None]
|
||||
| ^^^^ PYI061
|
||||
50 |
|
||||
51 | a: int | Literal[None] | None
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
ℹ Safe fix
|
||||
46 46 | # Regression tests for https://github.com/astral-sh/ruff/issues/14567
|
||||
47 47 | x: Literal[None] | None
|
||||
48 48 | y: None | Literal[None]
|
||||
49 |-z: Union[Literal[None], None]
|
||||
49 |+z: Union[None, None]
|
||||
50 50 |
|
||||
51 51 | a: int | Literal[None] | None
|
||||
52 52 | b: None | Literal[None] | None
|
||||
|
||||
PYI061.pyi:51:18: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
49 | z: Union[Literal[None], None]
|
||||
50 |
|
||||
51 | a: int | Literal[None] | None
|
||||
| ^^^^ PYI061
|
||||
52 | b: None | Literal[None] | None
|
||||
53 | c: (None | Literal[None]) | None
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:52:19: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
51 | a: int | Literal[None] | None
|
||||
52 | b: None | Literal[None] | None
|
||||
| ^^^^ PYI061
|
||||
53 | c: (None | Literal[None]) | None
|
||||
54 | d: None | (Literal[None] | None)
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:53:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
51 | a: int | Literal[None] | None
|
||||
52 | b: None | Literal[None] | None
|
||||
53 | c: (None | Literal[None]) | None
|
||||
| ^^^^ PYI061
|
||||
54 | d: None | (Literal[None] | None)
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:54:20: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
52 | b: None | Literal[None] | None
|
||||
53 | c: (None | Literal[None]) | None
|
||||
54 | d: None | (Literal[None] | None)
|
||||
| ^^^^ PYI061
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
56 | f: Literal[None] | Literal[None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:55:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
53 | c: (None | Literal[None]) | None
|
||||
54 | d: None | (Literal[None] | None)
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
| ^^^^ PYI061
|
||||
56 | f: Literal[None] | Literal[None]
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:56:12: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
54 | d: None | (Literal[None] | None)
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
56 | f: Literal[None] | Literal[None]
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
|
||||
PYI061.pyi:56:28: PYI061 Use `None` rather than `Literal[None]`
|
||||
|
|
||||
54 | d: None | (Literal[None] | None)
|
||||
55 | e: None | ((None | Literal[None]) | None) | None
|
||||
56 | f: Literal[None] | Literal[None]
|
||||
| ^^^^ PYI061
|
||||
|
|
||||
= help: Replace with `None`
|
||||
Loading…
Add table
Add a link
Reference in a new issue