add extra name method return BorrowedValue<str>

Signed-off-by: snowapril <sinjihng@gmail.com>

vm/src/builtins/pytype.rs

@@ -2,7 +2,11 @@ use super::{
     mappingproxy::PyMappingProxy, object, PyClassMethod, PyDictRef, PyInt, PyList, PyStaticMethod,
     PyStr, PyStrRef, PyTuple, PyTupleRef, PyWeak,
 };
-use crate::common::{ascii, lock::PyRwLock};
+use crate::common::{
+    ascii,
+    borrow::BorrowedValue,
+    lock::{PyRwLock, PyRwLockReadGuard},
+};
 use crate::{
     function::{FuncArgs, KwArgs, OptionalArg},
     protocol::{PyIterReturn, PyMappingMethods},
@@ -400,9 +404,16 @@ impl PyType {
         vm.ctx.not_implemented()
     }
 
-    #[pyproperty(magic)]
-    pub fn name(&self) -> String {
-        self.slot_name().rsplit('.').next().unwrap().to_string()
+    #[pyproperty(name = "__name__")]
+    fn __name__(&self) -> String {
+        self.name().to_string()
+    }
+
+    pub fn name(&self) -> BorrowedValue<str> {
+        PyRwLockReadGuard::map(self.slots.name.read(), |slot_name| {
+            slot_name.as_ref().unwrap().rsplit('.').next().unwrap()
+        })
+        .into()
     }
 
     #[pymethod(magic)]