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[ty] Support extending __all__ with a literal tuple or set as well as a literal list (#17948)

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Alex Waygood 2025-05-08 17:37:25 +01:00 • committed by GitHub
parent da8540862d
commit 0763331f7f
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2 changed files with 11 additions and 7 deletions
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14
crates/ty_python_semantic/src/dunder_all.rs
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@ -94,14 +94,16 @@ impl<'db> DunderAllNamesCollector<'db> {
}
/// Extends the current set of names with the names from the given expression which can be
/// either a list of names or a module's `__all__` variable.
/// either a list/tuple/set of string-literal names or a module's `__all__` variable.
///
/// Returns `true` if the expression is a valid list or module `__all__`, `false` otherwise.
fn extend_from_list_or_module(&mut self, expr: &ast::Expr) -> bool {
/// Returns `true` if the expression is a valid list/tuple/set or module `__all__`, `false` otherwise.
fn extend(&mut self, expr: &ast::Expr) -> bool {
match expr {
// `__all__ += [...]`
// `__all__.extend([...])`
ast::Expr::List(ast::ExprList { elts, .. }) => self.add_names(elts),
ast::Expr::List(ast::ExprList { elts, .. })
| ast::Expr::Tuple(ast::ExprTuple { elts, .. })
| ast::Expr::Set(ast::ExprSet { elts, .. }) => self.add_names(elts),
// `__all__ += module.__all__`
// `__all__.extend(module.__all__)`
@ -155,7 +157,7 @@ impl<'db> DunderAllNamesCollector<'db> {
// `__all__.extend([...])`
// `__all__.extend(module.__all__)`
"extend" => {
if !self.extend_from_list_or_module(argument) {
if !self.extend(argument) {
return false;
}
}
@ -330,7 +332,7 @@ impl<'db> StatementVisitor<'db> for DunderAllNamesCollector<'db> {
if !is_dunder_all(target) {
return;
}
if !self.extend_from_list_or_module(value) {
if !self.extend(value) {
self.invalid = true;
}
}