Issue #25665: Make NamedTuple picklable.
diff --git a/Lib/test/test_typing.py b/Lib/test/test_typing.py
index ae138c6..6ddaba9 100644
--- a/Lib/test/test_typing.py
+++ b/Lib/test/test_typing.py
@@ -1163,6 +1163,14 @@
assert Emp._fields == ('name', 'id')
assert Emp._field_types == dict(name=str, id=int)
+ def test_pickle(self):
+ global Emp # pickle wants to reference the class by name
+ Emp = NamedTuple('Emp', [('name', str), ('id', int)])
+ jane = Emp('jane', 37)
+ z = pickle.dumps(jane)
+ jane2 = pickle.loads(z)
+ assert jane == jane2
+
class IOTests(TestCase):
diff --git a/Lib/typing.py b/Lib/typing.py
index 49c4a06..1757f13 100644
--- a/Lib/typing.py
+++ b/Lib/typing.py
@@ -1479,6 +1479,11 @@
fields = [(n, t) for n, t in fields]
cls = collections.namedtuple(typename, [n for n, t in fields])
cls._field_types = dict(fields)
+ # Set the module to the caller's module (otherwise it'd be 'typing').
+ try:
+ cls.__module__ = sys._getframe(1).f_globals.get('__name__', '__main__')
+ except (AttributeError, ValueError):
+ pass
return cls