diff --git a/Lib/test/test_weakref.py b/Lib/test/test_weakref.py
index 702bb4495e7499..3a9573d6e70559 100644
--- a/Lib/test/test_weakref.py
+++ b/Lib/test/test_weakref.py
@@ -2154,6 +2154,17 @@ def test_atexit(self):
self.assertTrue(b'ZeroDivisionError' in err)
+class ModuleTestCase(unittest.TestCase):
+ def test_names(self):
+ for name in ('ReferenceType', 'ProxyType', 'CallableProxyType',
+ 'WeakMethod', 'WeakSet', 'WeakKeyDictionary', 'WeakValueDictionary'):
+ obj = getattr(weakref, name)
+ if name != 'WeakSet':
+ self.assertEqual(obj.__module__, 'weakref')
+ self.assertEqual(obj.__name__, name)
+ self.assertEqual(obj.__qualname__, name)
+
+
libreftest = """ Doctest for examples in the library reference: weakref.rst
>>> from test.support import gc_collect
diff --git a/Misc/NEWS.d/next/Library/2022-06-11-13-32-17.gh-issue-79512.A1KTDr.rst b/Misc/NEWS.d/next/Library/2022-06-11-13-32-17.gh-issue-79512.A1KTDr.rst
new file mode 100644
index 00000000000000..5393fb52e93c30
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-06-11-13-32-17.gh-issue-79512.A1KTDr.rst
@@ -0,0 +1,3 @@
+Fixed names and ``__module__`` value of :mod:`weakref` classes
+:class:`~weakref.ReferenceType`, :class:`~weakref.ProxyType`,
+:class:`~weakref.CallableProxyType`. It makes them pickleable.
diff --git a/Objects/weakrefobject.c b/Objects/weakrefobject.c
index 1712533a39d802..2b4361e63ca413 100644
--- a/Objects/weakrefobject.c
+++ b/Objects/weakrefobject.c
@@ -371,7 +371,7 @@ static PyMethodDef weakref_methods[] = {
PyTypeObject
_PyWeakref_RefType = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
- .tp_name = "weakref",
+ .tp_name = "weakref.ReferenceType",
.tp_basicsize = sizeof(PyWeakReference),
.tp_dealloc = weakref_dealloc,
.tp_vectorcall_offset = offsetof(PyWeakReference, vectorcall),
@@ -719,7 +719,7 @@ static PyMappingMethods proxy_as_mapping = {
PyTypeObject
_PyWeakref_ProxyType = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "weakproxy",
+ "weakref.ProxyType",
sizeof(PyWeakReference),
0,
/* methods */
@@ -754,7 +754,7 @@ _PyWeakref_ProxyType = {
PyTypeObject
_PyWeakref_CallableProxyType = {
PyVarObject_HEAD_INIT(&PyType_Type, 0)
- "weakcallableproxy",
+ "weakref.CallableProxyType",
sizeof(PyWeakReference),
0,
/* methods */
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