diff options
| -rw-r--r-- | Include/objimpl.h | 6 | ||||
| -rw-r--r-- | Misc/NEWS | 6 | ||||
| -rw-r--r-- | Objects/classobject.c | 1 |
3 files changed, 8 insertions, 5 deletions
diff --git a/Include/objimpl.h b/Include/objimpl.h index 4197bde..4aa38d5 100644 --- a/Include/objimpl.h +++ b/Include/objimpl.h @@ -167,11 +167,7 @@ extern DL_IMPORT(void) _PyObject_Del(PyObject *); /* Macros trading binary compatibility for speed. See also pymem.h. Note that these macros expect non-NULL object pointers.*/ #define PyObject_INIT(op, typeobj) \ - ((op)->ob_type = (typeobj), _Py_NewReference((PyObject *)(op)), \ - (PyType_SUPPORTS_WEAKREFS((typeobj)) \ - ? *(PyObject_GET_WEAKREFS_LISTPTR(op)) = NULL \ - : NULL), \ - (op)) + ( (op)->ob_type = (typeobj), _Py_NewReference((PyObject *)(op)), (op) ) #define PyObject_INIT_VAR(op, typeobj, size) \ ( (op)->ob_size = (size), PyObject_INIT((op), (typeobj)) ) @@ -61,6 +61,12 @@ Python/C API - Py_BuildValue() now has a "D" conversion to create a Python complex number from a Py_complex C value. +- Extensions types which support weak references must now set the + field allocated for the weak reference machinery to NULL themselves; + this is done to avoid the cost of checking each object for having a + weakly referencable type in PyObject_INIT(), since most types are + not weakly referencable. + Distutils - the sdist command now writes a PKG-INFO file, as described in PEP 241, diff --git a/Objects/classobject.c b/Objects/classobject.c index 00cfdde..d7b4c1e 100644 --- a/Objects/classobject.c +++ b/Objects/classobject.c @@ -453,6 +453,7 @@ PyInstance_NewRaw(PyObject *klass, PyObject *dict) Py_DECREF(dict); return NULL; } + inst->in_weakreflist = NULL; Py_INCREF(klass); inst->in_class = (PyClassObject *)klass; inst->in_dict = dict; |