gh-102536: Added _architecture field to sys.implementation

Lib/test/test_sys.py

@@ -1019,6 +1019,7 @@ def test_implementation(self):
         self.assertTrue(hasattr(sys.implementation, 'version'))
         self.assertTrue(hasattr(sys.implementation, 'hexversion'))
         self.assertTrue(hasattr(sys.implementation, 'cache_tag'))
+        self.assertTrue(hasattr(sys.implementation, '_architecture'))
 
         version = sys.implementation.version
         self.assertEqual(version[:2], (version.major, version.minor))
@@ -1032,6 +1033,8 @@ def test_implementation(self):
         self.assertEqual(sys.implementation.name,
                          sys.implementation.name.lower())
 
+        self.assertEqual(sys.implementation._architecture, sys.platform)
+
     @test.support.cpython_only
     def test_debugmallocstats(self):
         # Test sys._debugmallocstats()

Misc/NEWS.d/next/Library/2024-09-26-14-43-32.gh-issue-102536.xLiIvi.rst

@@ -0,0 +1,2 @@
+Added ``_architecture`` attribute to :data:`sys.implementation`
+to describe the current system platform.

Python/sysmodule.c

@@ -3358,6 +3358,14 @@ make_impl_info(PyObject *version_info)
     if (res < 0)
         goto error;
 
+    value = PyUnicode_FromString(Py_GetPlatform());
+    if (value == NULL)
+        goto error;
+    res = PyDict_SetItemString(impl_info, "_architecture", value);
+    Py_DECREF(value);
+    if (res < 0)
+        goto error;
+
 #ifdef MULTIARCH
     value = PyUnicode_FromString(MULTIARCH);
     if (value == NULL)