commit 814b07bf814a804f60b897d18f1dbb5578b2c7fd
author Dong-hee Na <donghee.na92@gmail.com> Sun Jun 21 19:33:06 2020 +0900
committer GitHub <noreply@github.com> Sun Jun 21 19:33:06 2020 +0900
tree d2c6476db2df0b1614451896fd17703cb76d9b19
parent 71bb921829c33c30b2e111e18948df8c2b6731e4

[3.9] bpo-41052: Opt out serialization/deserialization for _random.Random (GH-21002). (GH-21030)

(cherry picked from commit 6989af0bc7ea1e9a1acea16794e6f723d7b44110)

Co-authored-by: Dong-hee Na <donghee.na92@gmail.com>

Modules/_randommodule.c

diff --git a/Modules/_randommodule.c b/Modules/_randommodule.c
index 3589173..1b01491 100644
--- a/Modules/_randommodule.c
+++ b/Modules/_randommodule.c
@@ -536,12 +536,30 @@
     return (PyObject *)self;
 }
 
+
+/*[clinic input]
+
+_random.Random.__reduce__
+
+[clinic start generated code]*/
+
+static PyObject *
+_random_Random___reduce___impl(RandomObject *self)
+/*[clinic end generated code: output=ddea0dcdb60ffd6d input=bd38ec35fd157e0f]*/
+{
+    PyErr_Format(PyExc_TypeError,
+                 "cannot pickle %s object",
+                 Py_TYPE(self)->tp_name);
+    return NULL;
+}
+
 static PyMethodDef random_methods[] = {
     _RANDOM_RANDOM_RANDOM_METHODDEF
     _RANDOM_RANDOM_SEED_METHODDEF
     _RANDOM_RANDOM_GETSTATE_METHODDEF
     _RANDOM_RANDOM_SETSTATE_METHODDEF
     _RANDOM_RANDOM_GETRANDBITS_METHODDEF
+    _RANDOM_RANDOM___REDUCE___METHODDEF
     {NULL,              NULL}           /* sentinel */
 };