Backport trunk checkin r51565:

Fix SF bug #1545837: array.array borks on deepcopy. array.__deepcopy__()
needs to take an argument, even if it doesn't actually use it.

Lib/test/test_array.py

@@ -85,6 +85,13 @@ class BaseTest(unittest.TestCase):
         self.assertNotEqual(id(a), id(b))
         self.assertEqual(a, b)
 
+    def test_deepcopy(self):
+        import copy
+        a = array.array(self.typecode, self.example)
+        b = copy.deepcopy(a)
+        self.assertNotEqual(id(a), id(b))
+        self.assertEqual(a, b)
+
     def test_pickle(self):
         for protocol in (0, 1, 2):
             a = array.array(self.typecode, self.example)

Misc/ACKS

@@ -242,6 +242,7 @@ Dag Gruneau
 Michael Guravage
 Lars Gustäbel
 Barry Haddow
+Václav Haisman
 Paul ten Hagen
 Rasmus Hahn
 Peter Haight

Modules/arraymodule.c

@@ -1495,7 +1495,7 @@ PyMethodDef array_methods[] = {
 	 copy_doc},
 	{"count",	(PyCFunction)array_count,	METH_O,
 	 count_doc},
-	{"__deepcopy__",(PyCFunction)array_copy,	METH_NOARGS,
+	{"__deepcopy__",(PyCFunction)array_copy,	METH_O,
 	 copy_doc},
 	{"extend",      (PyCFunction)array_extend,	METH_O,
 	 extend_doc},