Method slot_repr

crates/vm/src/exception_group.rs:205–232

(zelf: &PyObject, vm: &VirtualMachine)

        #[pyslot]
        fn slot_repr(zelf: &PyObject, vm: &VirtualMachine) -> PyResult<PyStrRef> {
            let zelf = zelf
                .downcast_ref::<PyBaseException>()
                .expect("exception group must be BaseException");
            let class_name = zelf.class().name().to_owned();
            let message = zelf.get_arg(0).map(|m| m.repr(vm)).transpose()?;

            let mut result = Wtf8Buf::new();
            write!(result, "{class_name}(").unwrap();
            let message_wtf8: &Wtf8 = message.as_ref().map_or("''".as_ref(), |s| s.as_wtf8());
            result.push_wtf8(message_wtf8);
            result.push_str(", [");
            if let Some(exceptions_obj) = zelf.get_arg(1) {
                let iter: ArgIterable<PyObjectRef> =
                    ArgIterable::try_from_object(vm, exceptions_obj.clone())?;
                let mut first = true;
                for exc in iter.iter(vm)? {
                    if !first {
                        result.push_str(", ");
                    }
                    first = false;
                    result.push_wtf8(exc?.repr(vm)?.as_wtf8());
                }
            }
            result.push_str("])");

            Ok(vm.ctx.new_str(result))
        }
    }

    impl Constructor for PyBaseExceptionGroup {