Add: pyproperty dict values, items mapping

Author: rimi0108

vm/src/builtins/dict.rs

@@ -1,6 +1,6 @@
 use super::{
-    set::PySetInner, IterStatus, PositionIterInternal, PyBaseExceptionRef, PyGenericAlias, PySet,
-    PyStrRef, PyTupleRef, PyType, PyTypeRef, PyMappingProxy,
+    set::PySetInner, IterStatus, PositionIterInternal, PyBaseExceptionRef, PyGenericAlias,
+    PyMappingProxy, PySet, PyStrRef, PyTupleRef, PyType, PyTypeRef,
 };
 use crate::{
     builtins::{
@@ -1095,6 +1095,10 @@ impl PyDictItems {
         let found = PyDict::getitem(zelf.dict().clone(), key, vm)?;
         vm.identical_or_equal(&found, &value)
     }
+    #[pyproperty]
+    fn mapping(zelf: PyRef<Self>) -> PyMappingProxy {
+        PyMappingProxy::from(zelf.dict().clone())
+    }
 }
 impl Unconstructible for PyDictItems {}
 
@@ -1123,7 +1127,12 @@ impl AsSequence for PyDictItems {
 }
 
 #[pyimpl(with(DictView, Constructor, Iterable, AsSequence))]
-impl PyDictValues {}
+impl PyDictValues {
+    #[pyproperty]
+    fn mapping(zelf: PyRef<Self>) -> PyMappingProxy {
+        PyMappingProxy::from(zelf.dict().clone())
+    }
+}
 impl Unconstructible for PyDictValues {}
 
 impl AsSequence for PyDictValues {

vm/src/builtins/mappingproxy.rs

@@ -1,4 +1,4 @@
-use super::{PyDict, PyGenericAlias, PyList, PyTuple, PyType, PyTypeRef, PyDictRef};
+use super::{PyDict, PyDictRef, PyGenericAlias, PyList, PyTuple, PyType, PyTypeRef};
 use crate::{
     class::PyClassImpl,
     convert::ToPyObject,
@@ -44,7 +44,7 @@ impl From<PyTypeRef> for PyMappingProxy {
 
 impl From<PyDictRef> for PyMappingProxy {
     fn from(dict: PyDictRef) -> Self {
-        Self { 
+        Self {
             mapping: MappingProxyInner::Mapping(ArgMapping::from_dict_exact(dict)),
         }
     }