Issue #9137: Fix issue in MutableMapping.update, which incorrectly

treated keyword arguments called 'self' or 'other' specially.

1 files changed, 13 insertions, 0 deletions

diff --git a/Lib/test/test_collections.py b/Lib/test/test_collections.py
index e595b75..69c4a9f 100644
--- a/Lib/test/test_collections.py
+++ b/Lib/test/test_collections.py
@@ -758,6 +758,19 @@ class TestOrderedDict(unittest.TestCase):
         od.update([('a', 1), ('b', 2), ('c', 9), ('d', 4)], c=3, e=5)
         self.assertEqual(list(od.items()), pairs)                                   # mixed input
 
+        # Issue 9137: Named argument called 'other' or 'self'
+        # shouldn't be treated specially.
+        od = OrderedDict()
+        od.update(self=23)
+        self.assertEqual(list(od.items()), [('self', 23)])
+        od = OrderedDict()
+        od.update(other={})
+        self.assertEqual(list(od.items()), [('other', {})])
+        od = OrderedDict()
+        od.update(red=5, blue=6, other=7, self=8)
+        self.assertEqual(sorted(list(od.items())),
+                         [('blue', 6), ('other', 7), ('red', 5), ('self', 8)])
+
         # Make sure that direct calls to update do not clear previous contents
         # add that updates items are not moved to the end
         d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)])