Fixes #13842: cannot pickle Ellipsis or NotImplemented.
Thanks for James Sanders for the bug report and the patch.
diff --git a/Lib/pickle.py b/Lib/pickle.py
index 20b3646..9e65368 100644
--- a/Lib/pickle.py
+++ b/Lib/pickle.py
@@ -438,6 +438,14 @@
self.write(NONE)
dispatch[type(None)] = save_none
+ def save_ellipsis(self, obj):
+ self.save_global(Ellipsis, 'Ellipsis')
+ dispatch[type(Ellipsis)] = save_ellipsis
+
+ def save_notimplemented(self, obj):
+ self.save_global(NotImplemented, 'NotImplemented')
+ dispatch[type(NotImplemented)] = save_notimplemented
+
def save_bool(self, obj):
if self.proto >= 2:
self.write(obj and NEWTRUE or NEWFALSE)
diff --git a/Lib/test/pickletester.py b/Lib/test/pickletester.py
index 1a551c8..3686a62 100644
--- a/Lib/test/pickletester.py
+++ b/Lib/test/pickletester.py
@@ -743,6 +743,18 @@
u = self.loads(s)
self.assertEqual(t, u)
+ def test_ellipsis(self):
+ for proto in protocols:
+ s = self.dumps(..., proto)
+ u = self.loads(s)
+ self.assertEqual(..., u)
+
+ def test_notimplemented(self):
+ for proto in protocols:
+ s = self.dumps(NotImplemented, proto)
+ u = self.loads(s)
+ self.assertEqual(NotImplemented, u)
+
# Tests for protocol 2
def test_proto(self):