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Make type() bases arg only take tuples #2342

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Merged
coolreader18 merged 4 commits into from
Dec 12, 2020
Merged

Make type() bases arg only take tuples #2342

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0f2bd59
Make `type()` bases arg only take tuples
carbotaniuman Nov 25, 2020
a6afbdf
Update
carbotaniuman Dec 11, 2020
9243716
Fix clippy
carbotaniuman Dec 12, 2020
6cb89fb
Formaat
carbotaniuman Dec 12, 2020
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Make type() bases arg only take tuples
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@carbotaniuman
carbotaniuman committed Dec 11, 2020
commit 0f2bd598372c585e2e9b615eebed0a428c32abe5
6 changes: 5 additions & 1 deletion vm/src/builtins/pytype.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -15,6 +15,7 @@ use super::pystr::PyStrRef;
use super::staticmethod::PyStaticMethod;
use super::tuple::PyTuple;
use super::weakref::PyWeak;
use crate::builtins::tuple::PyTupleRef;
use crate::function::{FuncArgs, KwArgs};
use crate::pyobject::{
BorrowValue, Either, IdProtocol, PyAttributes, PyClassImpl, PyContext, PyIterable, PyLease,
Expand Down Expand Up @@ -417,9 +418,12 @@ impl PyType {
}));
}

let (name, bases, dict, kwargs): (PyStrRef, PyIterable<PyTypeRef>, PyDictRef, KwArgs) =
let (name, bases, dict, kwargs): (PyStrRef, PyTupleRef, PyDictRef, KwArgs) =
args.clone().bind(vm)?;

// TODO: This is kind of a hack because we lose type information only to redo it
let bases: PyIterable<PyTypeRef> =
PyIterable::try_from_object(vm, bases.into_object()).unwrap();
let bases: Vec<PyTypeRef> = bases.iter(vm)?.collect::<Result<Vec<_>, _>>()?;
let (metatype, base, bases) = if bases.is_empty() {
let base = vm.ctx.types.object_type.clone();
Expand Down