From f26857f197a776dec621333cc8f259d3d8eed320 Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Fri, 8 May 2020 19:47:57 -0400
Subject: [PATCH 1/2] bpo-40570: Improve compatibility of uname_result with
 late-bound .platform.

---
 Lib/platform.py           | 7 ++++---
 Lib/test/test_platform.py | 7 +++++++
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/Lib/platform.py b/Lib/platform.py
index 049c2c6ef25a1b..e9f50ab622d316 100755
--- a/Lib/platform.py
+++ b/Lib/platform.py
@@ -798,9 +798,10 @@ def __iter__(self):
         )
 
     def __getitem__(self, key):
-        if key == 5:
-            return self.processor
-        return super().__getitem__(key)
+        return tuple(iter(self))[key]
+
+    def __len__(self):
+        return len(tuple(iter(self)))
 
 
 _uname_cache = None
diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 7664b38a720a7e..6960082e923190 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -154,11 +154,18 @@ def test_uname(self):
         res = platform.uname()
         self.assertTrue(any(res))
         self.assertEqual(res[0], res.system)
+        self.assertEqual(res[-6], res.system)
         self.assertEqual(res[1], res.node)
+        self.assertEqual(res[-5], res.node)
         self.assertEqual(res[2], res.release)
+        self.assertEqual(res[-4], res.release)
         self.assertEqual(res[3], res.version)
+        self.assertEqual(res[-3], res.version)
         self.assertEqual(res[4], res.machine)
+        self.assertEqual(res[-2], res.machine)
         self.assertEqual(res[5], res.processor)
+        self.assertEqual(res[-1], res.processor)
+        self.assertEqual(len(res), 6)
 
     @unittest.skipIf(sys.platform in ['win32', 'OpenVMS'], "uname -p not used")
     def test_uname_processor(self):

From 10c3389528eda7e7beb3ed666b34d0fd75520631 Mon Sep 17 00:00:00 2001
From: "Jason R. Coombs" <jaraco@jaraco.com>
Date: Fri, 8 May 2020 20:16:47 -0400
Subject: [PATCH 2/2] Add test capturing ability to cast uname to a tuple.

---
 Lib/test/test_platform.py | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Lib/test/test_platform.py b/Lib/test/test_platform.py
index 6960082e923190..a5c35dff79b8bc 100644
--- a/Lib/test/test_platform.py
+++ b/Lib/test/test_platform.py
@@ -167,6 +167,14 @@ def test_uname(self):
         self.assertEqual(res[-1], res.processor)
         self.assertEqual(len(res), 6)
 
+    def test_uname_cast_to_tuple(self):
+        res = platform.uname()
+        expected = (
+            res.system, res.node, res.release, res.version, res.machine,
+            res.processor,
+        )
+        self.assertEqual(tuple(res), expected)
+
     @unittest.skipIf(sys.platform in ['win32', 'OpenVMS'], "uname -p not used")
     def test_uname_processor(self):
         """