Merge pull request #30 from ionite34/mappingproxy-info

ionite34 · Jan 23, 2023 · aebf05b · aebf05b
2 parents 5b4fdde + bfb7117
commit aebf05b
Show file tree

Hide file tree

Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/src/einspect/structs/mapping_proxy.py b/src/einspect/structs/mapping_proxy.py
@@ -5,10 +5,12 @@
 
 from einspect.structs.deco import struct
 from einspect.structs.py_dict import PyDictObject
-from einspect.structs.py_object import PyObject
+from einspect.structs.py_object import Fields, PyObject
+from einspect.types import ptr
 
 __all__ = ("MappingProxyObject",)
 
+
 _KT = TypeVar("_KT")
 _VT_co = TypeVar("_VT_co", covariant=True)
 
@@ -21,7 +23,13 @@ class MappingProxyObject(PyObject[MappingProxyType, _KT, _VT_co]):
     https://github.com/python/cpython/blob/3.11/Objects/descrobject.c#L1027-L1030
     """
 
-    mapping: PyDictObject[_KT, _VT_co]
+    mapping: ptr[PyDictObject[_KT, _VT_co]]
+
+    def _format_fields_(self) -> Fields:
+        return {
+            **super()._format_fields_(),
+            "mapping": "*PyDictObject",
+        }
 
     @classmethod
     def from_object(

diff --git a/src/einspect/views/view_mapping_proxy.py b/src/einspect/views/view_mapping_proxy.py
@@ -1,6 +1,5 @@
 from __future__ import annotations
 
-from ctypes import pointer
 from types import MappingProxyType
 from typing import TypeVar
 
@@ -47,4 +46,4 @@ def mapping(self) -> dict[_KT, _VT]:
     @mapping.setter
     @unsafe
     def mapping(self, value: dict[_KT, _VT]) -> None:
-        self._pyobject.mapping = pointer(PyDictObject.from_object(value))
+        self._pyobject.mapping = PyDictObject.from_object(value).with_ref().as_ref()