Don't serialize by default.

ZeroIntensity · ZeroIntensity · commit 2a4269b00b6e · 2025-09-16T04:33:13.000-04:00
diff --git a/Modules/_interpretersmodule.c b/Modules/_interpretersmodule.c
@@ -770,7 +770,7 @@ _sharedobjectproxy_init_share(_PyXI_proxy_share *share,
     }
 
     if (_PyObject_GetXIData(_PyThreadState_GET(), op,
-                            _PyXIDATA_FULL_FALLBACK, xidata) < 0) {
+                            _PyXIDATA_XIDATA_ONLY, xidata) < 0) {
         PyErr_Clear();
         share->object = _sharedobjectproxy_create(op, self->context_id);
         share->xidata = NULL;
@@ -798,6 +798,7 @@ _sharedobjectproxy_as_shared(_PyXI_proxy_share *share)
     } else {
         PyObject *result = _PyXIData_NewObject(xidata);
         assert(share->object == NULL);
+        assert(result != xidata->obj);
         return result;
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -770,7 +770,7 @@ _sharedobjectproxy_init_share(_PyXI_proxy_share *share,`
`770`	`770`	`}`
`771`	`771`
`772`	`772`	`if (_PyObject_GetXIData(_PyThreadState_GET(), op,`
`773`		`- _PyXIDATA_FULL_FALLBACK, xidata) < 0) {`
	`773`	`+ _PyXIDATA_XIDATA_ONLY, xidata) < 0) {`
`774`	`774`	`PyErr_Clear();`
`775`	`775`	`share->object = _sharedobjectproxy_create(op, self->context_id);`
`776`	`776`	`share->xidata = NULL;`
`@@ -798,6 +798,7 @@ _sharedobjectproxy_as_shared(_PyXI_proxy_share *share)`
`798`	`798`	`} else {`
`799`	`799`	`PyObject *result = _PyXIData_NewObject(xidata);`
`800`	`800`	`assert(share->object == NULL);`
	`801`	`+ assert(result != xidata->obj);`
`801`	`802`	`return result;`
`802`	`803`	`}`
`803`	`804`	`}`