diff options
Diffstat (limited to 'Doc/c-api/weakref.rst')
| -rw-r--r-- | Doc/c-api/weakref.rst | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/Doc/c-api/weakref.rst b/Doc/c-api/weakref.rst index 081419d..8a36110 100644 --- a/Doc/c-api/weakref.rst +++ b/Doc/c-api/weakref.rst @@ -53,7 +53,14 @@ as much as it can. .. cfunction:: PyObject* PyWeakref_GetObject(PyObject *ref) Return the referenced object from a weak reference, *ref*. If the referent is - no longer live, returns ``None``. + no longer live, returns :const:`Py_None`. + + .. warning:: + + This function returns a **borrowed reference** to the referenced object. + This means that you should always call :cfunc:`Py_INCREF` on the object + except if you know that it cannot be destroyed while you are still + using it. .. cfunction:: PyObject* PyWeakref_GET_OBJECT(PyObject *ref) |