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[ty] get_protocol_members returns a frozenset, not a tuple (#18284)

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Alex Waygood 2025-05-23 19:20:34 -04:00 • committed by GitHub
parent 53d19f8368
commit e293411679
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2 changed files with 18 additions and 27 deletions
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18
crates/ty_python_semantic/src/types/call/bind.rs
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@ -667,15 +667,15 @@ impl<'db> Bindings<'db> {
Some(KnownFunction::GetProtocolMembers) => {
if let [Some(Type::ClassLiteral(class))] = overload.parameter_types() {
if let Some(protocol_class) = class.into_protocol_class(db) {
// TODO: actually a frozenset at runtime (requires support for legacy generic classes)
overload.set_return_type(Type::Tuple(TupleType::new(
db,
protocol_class
.interface(db)
.members(db)
.map(|member| Type::string_literal(db, member.name()))
.collect::<Box<[Type<'db>]>>(),
)));
let member_names = protocol_class
.interface(db)
.members(db)
.map(|member| Type::string_literal(db, member.name()));
let specialization = UnionType::from_elements(db, member_names);
overload.set_return_type(
KnownClass::FrozenSet
.to_specialized_instance(db, [specialization]),
);
}
}
}