Function getattr

crates/vm/src/stdlib/builtins.rs:621–639

(
        obj: PyObjectRef,
        attr: PyObjectRef,
        default: OptionalArg<PyObjectRef>,
        vm: &VirtualMachine,
    )

    #[pyfunction]
    fn getattr(
        obj: PyObjectRef,
        attr: PyObjectRef,
        default: OptionalArg<PyObjectRef>,
        vm: &VirtualMachine,
    ) -> PyResult {
        let attr = attr.try_to_ref::<PyStr>(vm).map_err(|_e| {
            vm.new_type_error(format!(
                "attribute name must be string, not '{}'",
                attr.class().name()
            ))
        })?;

        if let OptionalArg::Present(default) = default {
            Ok(vm.get_attribute_opt(obj, attr)?.unwrap_or(default))
        } else {
            obj.get_attr(attr, vm)
        }
    }

    #[pyfunction]
    fn globals(vm: &VirtualMachine) -> PyDictRef {