Add handling of return_value_policy::_clif_automatic in type_caster_pyobject_ptr.h (backported from google/pybind11clif#30021)

rwgk · rwgk · commit bd69f7aaf206 · 2023-05-07T10:41:21.000-07:00
diff --git a/include/pybind11/type_caster_pyobject_ptr.h b/include/pybind11/type_caster_pyobject_ptr.h
@@ -32,7 +32,8 @@ class type_caster<PyObject> {
             raise_from(PyExc_SystemError, "src != nullptr but PyErr_Occurred()");
             throw error_already_set();
         }
-        if (policy == return_value_policy::take_ownership) {
+        if (policy == return_value_policy::take_ownership
+            || policy == return_value_policy::_clif_automatic) {
             return src;
         }
         if (policy == return_value_policy::reference

Original file line number	Diff line number	Diff line change
`@@ -32,7 +32,8 @@ class type_caster<PyObject> {`
`32`	`32`	`raise_from(PyExc_SystemError, "src != nullptr but PyErr_Occurred()");`
`33`	`33`	`throw error_already_set();`
`34`	`34`	`}`
`35`		`- if (policy == return_value_policy::take_ownership) {`
	`35`	`+ if (policy == return_value_policy::take_ownership`
	`36`	`+ \|\| policy == return_value_policy::_clif_automatic) {`
`36`	`37`	`return src;`
`37`	`38`	`}`
`38`	`39`	`if (policy == return_value_policy::reference`