RustPython · youknowone · Jan 9, 2026 · Jan 5, 2026 · Jan 6, 2026 · Jan 6, 2026
diff --git a/Lib/_opcode_metadata.py b/Lib/_opcode_metadata.py
@@ -10,7 +10,7 @@
     'CACHE': 0,
     'BEFORE_ASYNC_WITH': 1,
     'BEFORE_WITH': 2,
-    'RESERVED_3': 3,
+    'BINARY_OP_INPLACE_ADD_UNICODE': 3,
     'BINARY_SLICE': 4,
     'BINARY_SUBSCR': 5,
     'CHECK_EG_MATCH': 6,
@@ -24,7 +24,7 @@
     'FORMAT_SIMPLE': 14,
     'FORMAT_WITH_SPEC': 15,
     'GET_AITER': 16,
-    'RESERVED_17': 17,
+    'RESERVED': 17,
     'GET_ANEXT': 18,
     'GET_ITER': 19,
     'GET_LEN': 20,
@@ -127,36 +127,27 @@
     'UNPACK_SEQUENCE': 117,
     'YIELD_VALUE': 118,
     'BREAK': 119,
-    'BUILD_LIST_UNPACK': 120,
+    'BUILD_LIST_FROM_TUPLES': 120,
     'BUILD_MAP_FOR_CALL': 121,
-    'BUILD_SET_UNPACK': 122,
-    'BUILD_TUPLE_ITER': 123,
-    'BUILD_TUPLE_UNPACK': 124,
-    'CALL_METHOD': 125,
-    'CALL_METHOD_KW': 126,
+    'BUILD_SET_FROM_TUPLES': 122,
+    'BUILD_TUPLE_FROM_ITER': 123,
+    'BUILD_TUPLE_FROM_TUPLES': 124,
+    'CALL_METHOD_POSITIONAL': 125,
+    'CALL_METHOD_KEYWORD': 126,
     'CALL_METHOD_EX': 127,
     'CONTINUE': 128,
-    'JUMP': 129,
-    'JUMP_IF_FALSE_OR_POP': 130,
-    'JUMP_IF_TRUE_OR_POP': 131,
-    'JUMP_IF_NOT_EXC_MATCH': 132,
-    'LOAD_CLASSDEREF': 133,
-    'LOAD_CLOSURE': 134,
-    'LOAD_METHOD': 135,
-    'POP_BLOCK': 136,
-    'REVERSE': 137,
-    'SET_EXC_INFO': 138,
-    'SUBSCRIPT': 139,
-    'UNARY_OP': 140,
-    'RESERVED_141': 141,
-    'RESERVED_142': 142,
-    'RESERVED_143': 143,
-    'RESERVED_144': 144,
-    'RESERVED_145': 145,
-    'RESERVED_146': 146,
-    'RESERVED_147': 147,
-    'RESERVED_148': 148,
+    'JUMP_IF_FALSE_OR_POP': 129,
+    'JUMP_IF_TRUE_OR_POP': 130,
+    'JUMP_IF_NOT_EXC_MATCH': 131,
+    'LOAD_CLASS_DEREF': 132,
+    'REVERSE': 133,
+    'SET_EXC_INFO': 134,
+    'SUBSCRIPT': 135,
     'RESUME': 149,
+    'JUMP': 252,
+    'LOAD_CLOSURE': 253,
+    'LOAD_METHOD': 254,
+    'POP_BLOCK': 255,
 }
 
 # CPython 3.13 compatible: opcodes < 44 have no argument

diff --git a/Lib/test/test__opcode.py b/Lib/test/test__opcode.py
@@ -16,6 +16,7 @@ def check_bool_function_result(self, func, ops, expected):
                 self.assertIsInstance(func(op), bool)
                 self.assertEqual(func(op), expected)
 
+    @unittest.expectedFailure # TODO: RUSTPYTHON; Only supporting u8 ATM
     def test_invalid_opcodes(self):
         invalid = [-100, -1, 255, 512, 513, 1000]
         self.check_bool_function_result(_opcode.is_valid, invalid, False)

diff --git a/Lib/test/test_dis.py b/Lib/test/test_dis.py
@@ -937,6 +937,7 @@ def test_opname(self):
     def test_boundaries(self):
         self.assertEqual(dis.opmap["EXTENDED_ARG"], dis.EXTENDED_ARG)
 
+    @unittest.expectedFailure # TODO: RUSTPYTHON; AssertionError: 29 not less than or equal to 20
     def test_widths(self):
         long_opcodes = set(['JUMP_BACKWARD_NO_INTERRUPT',
                             'INSTRUMENTED_CALL_FUNCTION_EX'])