https://github.com/python/cpython/commit/039d20ae5428dfe3d70404d8a5297c70d41e2e2d
commit: 039d20ae5428dfe3d70404d8a5297c70d41e2e2d
branch: main
author: Victor Stinner <vstin...@python.org>
committer: vstinner <vstin...@python.org>
date: 2024-03-19T10:44:13Z
summary:

gh-116417: Move limited C API abstract.c tests to _testlimitedcapi (#116986)

Split abstract.c and float.c tests of _testcapi into two parts:
limited C API tests in _testlimitedcapi and non-limited C API tests
in _testcapi.

Update test_bytes and test_class.

files:
A Modules/_testlimitedcapi/abstract.c
A Modules/_testlimitedcapi/float.c
M Lib/test/test_bytes.py
M Lib/test/test_capi/test_abstract.py
M Lib/test/test_capi/test_float.py
M Lib/test/test_class.py
M Modules/Setup.stdlib.in
M Modules/_testcapi/abstract.c
M Modules/_testcapi/float.c
M Modules/_testlimitedcapi.c
M Modules/_testlimitedcapi/parts.h
M PCbuild/_testlimitedcapi.vcxproj
M PCbuild/_testlimitedcapi.vcxproj.filters

diff --git a/Lib/test/test_bytes.py b/Lib/test/test_bytes.py
index 71bb1e75c6affd..9e1985bb3a7639 100644
--- a/Lib/test/test_bytes.py
+++ b/Lib/test/test_bytes.py
@@ -991,13 +991,13 @@ def test_translate(self):
         self.assertEqual(c, b'hllo')
 
     def test_sq_item(self):
-        _testcapi = import_helper.import_module('_testcapi')
+        _testlimitedcapi = import_helper.import_module('_testlimitedcapi')
         obj = self.type2test((42,))
         with self.assertRaises(IndexError):
-            _testcapi.sequence_getitem(obj, -2)
+            _testlimitedcapi.sequence_getitem(obj, -2)
         with self.assertRaises(IndexError):
-            _testcapi.sequence_getitem(obj, 1)
-        self.assertEqual(_testcapi.sequence_getitem(obj, 0), 42)
+            _testlimitedcapi.sequence_getitem(obj, 1)
+        self.assertEqual(_testlimitedcapi.sequence_getitem(obj, 0), 42)
 
 
 class BytesTest(BaseBytesTest, unittest.TestCase):
@@ -1256,7 +1256,7 @@ class SubBytes(bytes):
 class ByteArrayTest(BaseBytesTest, unittest.TestCase):
     type2test = bytearray
 
-    _testcapi = import_helper.import_module('_testcapi')
+    _testlimitedcapi = import_helper.import_module('_testlimitedcapi')
 
     def test_getitem_error(self):
         b = bytearray(b'python')
@@ -1354,7 +1354,7 @@ def setitem_as_mapping(b, i, val):
             b[i] = val
 
         def setitem_as_sequence(b, i, val):
-            self._testcapi.sequence_setitem(b, i, val)
+            self._testlimitedcapi.sequence_setitem(b, i, val)
 
         def do_tests(setitem):
             b = bytearray([1, 2, 3])
@@ -1401,7 +1401,7 @@ def del_as_mapping(b, i):
             del b[i]
 
         def del_as_sequence(b, i):
-            self._testcapi.sequence_delitem(b, i)
+            self._testlimitedcapi.sequence_delitem(b, i)
 
         def do_tests(delete):
             b = bytearray(range(10))
@@ -1810,7 +1810,7 @@ def __index__(self):
         with self.subTest("tp_as_sequence"):
             b = bytearray(b'Now you see me...')
             with self.assertRaises(IndexError):
-                self._testcapi.sequence_setitem(b, 0, Boom())
+                self._testlimitedcapi.sequence_setitem(b, 0, Boom())
 
 
 class AssortedBytesTest(unittest.TestCase):
diff --git a/Lib/test/test_capi/test_abstract.py 
b/Lib/test/test_capi/test_abstract.py
index 97ed939928c360..7e6cc9a2d0154b 100644
--- a/Lib/test/test_capi/test_abstract.py
+++ b/Lib/test/test_capi/test_abstract.py
@@ -4,6 +4,7 @@
 from test.support import import_helper
 
 _testcapi = import_helper.import_module('_testcapi')
+_testlimitedcapi = import_helper.import_module('_testlimitedcapi')
 from _testcapi import PY_SSIZE_T_MIN, PY_SSIZE_T_MAX
 
 NULL = None
@@ -74,7 +75,7 @@ def assertTypedEqual(self, actual, expected):
 
     def test_object_str(self):
         # Test PyObject_Str()
-        object_str = _testcapi.object_str
+        object_str = _testlimitedcapi.object_str
         self.assertTypedEqual(object_str(''), '')
         self.assertTypedEqual(object_str('abc'), 'abc')
         self.assertTypedEqual(object_str('\U0001f40d'), '\U0001f40d')
@@ -87,7 +88,7 @@ def test_object_str(self):
 
     def test_object_repr(self):
         # Test PyObject_Repr()
-        object_repr = _testcapi.object_repr
+        object_repr = _testlimitedcapi.object_repr
         self.assertTypedEqual(object_repr(''), "''")
         self.assertTypedEqual(object_repr('abc'), "'abc'")
         self.assertTypedEqual(object_repr('\U0001f40d'), "'\U0001f40d'")
@@ -100,7 +101,7 @@ def test_object_repr(self):
 
     def test_object_ascii(self):
         # Test PyObject_ASCII()
-        object_ascii = _testcapi.object_ascii
+        object_ascii = _testlimitedcapi.object_ascii
         self.assertTypedEqual(object_ascii(''), "''")
         self.assertTypedEqual(object_ascii('abc'), "'abc'")
         self.assertTypedEqual(object_ascii('\U0001f40d'), r"'\U0001f40d'")
@@ -113,7 +114,7 @@ def test_object_ascii(self):
 
     def test_object_bytes(self):
         # Test PyObject_Bytes()
-        object_bytes = _testcapi.object_bytes
+        object_bytes = _testlimitedcapi.object_bytes
         self.assertTypedEqual(object_bytes(b''), b'')
         self.assertTypedEqual(object_bytes(b'abc'), b'abc')
         self.assertTypedEqual(object_bytes(BytesSubclass(b'abc')), b'abc')
@@ -132,7 +133,7 @@ def test_object_bytes(self):
         self.assertTypedEqual(object_bytes(NULL), b'<NULL>')
 
     def test_object_getattr(self):
-        xgetattr = _testcapi.object_getattr
+        xgetattr = _testlimitedcapi.object_getattr
         obj = TestObject()
         obj.a = 11
         setattr(obj, '\U0001f40d', 22)
@@ -146,7 +147,7 @@ def test_object_getattr(self):
         # CRASHES xgetattr(NULL, 'a')
 
     def test_object_getattrstring(self):
-        getattrstring = _testcapi.object_getattrstring
+        getattrstring = _testlimitedcapi.object_getattrstring
         obj = TestObject()
         obj.a = 11
         setattr(obj, '\U0001f40d', 22)
@@ -188,7 +189,7 @@ def test_object_getoptionalattrstring(self):
         # CRASHES getoptionalattrstring(NULL, b'a')
 
     def test_object_hasattr(self):
-        xhasattr = _testcapi.object_hasattr
+        xhasattr = _testlimitedcapi.object_hasattr
         obj = TestObject()
         obj.a = 1
         setattr(obj, '\U0001f40d', 2)
@@ -212,7 +213,7 @@ def test_object_hasattr(self):
         # CRASHES xhasattr(NULL, 'a')
 
     def test_object_hasattrstring(self):
-        hasattrstring = _testcapi.object_hasattrstring
+        hasattrstring = _testlimitedcapi.object_hasattrstring
         obj = TestObject()
         obj.a = 1
         setattr(obj, '\U0001f40d', 2)
@@ -264,7 +265,7 @@ def test_object_hasattrstringwitherror(self):
         # CRASHES hasattrstring(NULL, b'a')
 
     def test_object_setattr(self):
-        xsetattr = _testcapi.object_setattr
+        xsetattr = _testlimitedcapi.object_setattr
         obj = TestObject()
         xsetattr(obj, 'a', 5)
         self.assertEqual(obj.a, 5)
@@ -284,7 +285,7 @@ def test_object_setattr(self):
         # CRASHES xsetattr(NULL, 'a', 5)
 
     def test_object_setattrstring(self):
-        setattrstring = _testcapi.object_setattrstring
+        setattrstring = _testlimitedcapi.object_setattrstring
         obj = TestObject()
         setattrstring(obj, b'a', 5)
         self.assertEqual(obj.a, 5)
@@ -305,7 +306,7 @@ def test_object_setattrstring(self):
         # CRASHES setattrstring(NULL, b'a', 5)
 
     def test_object_delattr(self):
-        xdelattr = _testcapi.object_delattr
+        xdelattr = _testlimitedcapi.object_delattr
         obj = TestObject()
         obj.a = 1
         setattr(obj, '\U0001f40d', 2)
@@ -322,7 +323,7 @@ def test_object_delattr(self):
         # CRASHES xdelattr(NULL, 'a')
 
     def test_object_delattrstring(self):
-        delattrstring = _testcapi.object_delattrstring
+        delattrstring = _testlimitedcapi.object_delattrstring
         obj = TestObject()
         obj.a = 1
         setattr(obj, '\U0001f40d', 2)
@@ -340,7 +341,7 @@ def test_object_delattrstring(self):
 
 
     def test_mapping_check(self):
-        check = _testcapi.mapping_check
+        check = _testlimitedcapi.mapping_check
         self.assertTrue(check({1: 2}))
         self.assertTrue(check([1, 2]))
         self.assertTrue(check((1, 2)))
@@ -351,7 +352,7 @@ def test_mapping_check(self):
         self.assertFalse(check(NULL))
 
     def test_mapping_size(self):
-        for size in _testcapi.mapping_size, _testcapi.mapping_length:
+        for size in _testlimitedcapi.mapping_size, 
_testlimitedcapi.mapping_length:
             self.assertEqual(size({1: 2}), 1)
             self.assertEqual(size([1, 2]), 2)
             self.assertEqual(size((1, 2)), 2)
@@ -363,7 +364,7 @@ def test_mapping_size(self):
             self.assertRaises(SystemError, size, NULL)
 
     def test_object_getitem(self):
-        getitem = _testcapi.object_getitem
+        getitem = _testlimitedcapi.object_getitem
         dct = {'a': 1, '\U0001f40d': 2}
         self.assertEqual(getitem(dct, 'a'), 1)
         self.assertRaises(KeyError, getitem, dct, 'b')
@@ -383,7 +384,7 @@ def test_object_getitem(self):
         self.assertRaises(SystemError, getitem, NULL, 'a')
 
     def test_mapping_getitemstring(self):
-        getitemstring = _testcapi.mapping_getitemstring
+        getitemstring = _testlimitedcapi.mapping_getitemstring
         dct = {'a': 1, '\U0001f40d': 2}
         self.assertEqual(getitemstring(dct, b'a'), 1)
         self.assertRaises(KeyError, getitemstring, dct, b'b')
@@ -437,7 +438,7 @@ def test_mapping_getoptionalitemstring(self):
         # CRASHES getitemstring(NULL, b'a')
 
     def test_mapping_haskey(self):
-        haskey = _testcapi.mapping_haskey
+        haskey = _testlimitedcapi.mapping_haskey
         dct = {'a': 1, '\U0001f40d': 2}
         self.assertTrue(haskey(dct, 'a'))
         self.assertFalse(haskey(dct, 'b'))
@@ -486,7 +487,7 @@ def test_mapping_haskey(self):
                              'null argument to internal routine')
 
     def test_mapping_haskeystring(self):
-        haskeystring = _testcapi.mapping_haskeystring
+        haskeystring = _testlimitedcapi.mapping_haskeystring
         dct = {'a': 1, '\U0001f40d': 2}
         self.assertTrue(haskeystring(dct, b'a'))
         self.assertFalse(haskeystring(dct, b'b'))
@@ -527,7 +528,7 @@ def test_mapping_haskeystring(self):
                              "null argument to internal routine")
 
     def test_mapping_haskeywitherror(self):
-        haskey = _testcapi.mapping_haskeywitherror
+        haskey = _testlimitedcapi.mapping_haskeywitherror
         dct = {'a': 1, '\U0001f40d': 2}
         self.assertTrue(haskey(dct, 'a'))
         self.assertFalse(haskey(dct, 'b'))
@@ -548,7 +549,7 @@ def test_mapping_haskeywitherror(self):
         # CRASHES haskey(NULL, 'a'))
 
     def test_mapping_haskeystringwitherror(self):
-        haskeystring = _testcapi.mapping_haskeystringwitherror
+        haskeystring = _testlimitedcapi.mapping_haskeystringwitherror
         dct = {'a': 1, '\U0001f40d': 2}
         self.assertTrue(haskeystring(dct, b'a'))
         self.assertFalse(haskeystring(dct, b'b'))
@@ -565,7 +566,7 @@ def test_mapping_haskeystringwitherror(self):
         # CRASHES haskeystring(NULL, b'a')
 
     def test_object_setitem(self):
-        setitem = _testcapi.object_setitem
+        setitem = _testlimitedcapi.object_setitem
         dct = {}
         setitem(dct, 'a', 5)
         self.assertEqual(dct, {'a': 5})
@@ -591,7 +592,7 @@ def test_object_setitem(self):
         self.assertRaises(SystemError, setitem, NULL, 'a', 5)
 
     def test_mapping_setitemstring(self):
-        setitemstring = _testcapi.mapping_setitemstring
+        setitemstring = _testlimitedcapi.mapping_setitemstring
         dct = {}
         setitemstring(dct, b'a', 5)
         self.assertEqual(dct, {'a': 5})
@@ -611,7 +612,7 @@ def test_mapping_setitemstring(self):
         self.assertRaises(SystemError, setitemstring, NULL, b'a', 5)
 
     def test_object_delitem(self):
-        for delitem in _testcapi.object_delitem, _testcapi.mapping_delitem:
+        for delitem in _testlimitedcapi.object_delitem, 
_testlimitedcapi.mapping_delitem:
             dct = {'a': 1, 'c': 2, '\U0001f40d': 3}
             delitem(dct, 'a')
             self.assertEqual(dct, {'c': 2, '\U0001f40d': 3})
@@ -637,7 +638,7 @@ def test_object_delitem(self):
             self.assertRaises(SystemError, delitem, NULL, 'a')
 
     def test_mapping_delitemstring(self):
-        delitemstring = _testcapi.mapping_delitemstring
+        delitemstring = _testlimitedcapi.mapping_delitemstring
         dct = {'a': 1, 'c': 2, '\U0001f40d': 3}
         delitemstring(dct, b'a')
         self.assertEqual(dct, {'c': 2, '\U0001f40d': 3})
@@ -677,23 +678,23 @@ def items(self):
         for mapping in [{}, OrderedDict(), Mapping1(), Mapping2(),
                         dict_obj, OrderedDict(dict_obj),
                         Mapping1(dict_obj), Mapping2(dict_obj)]:
-            self.assertListEqual(_testcapi.mapping_keys(mapping),
+            self.assertListEqual(_testlimitedcapi.mapping_keys(mapping),
                                  list(mapping.keys()))
-            self.assertListEqual(_testcapi.mapping_values(mapping),
+            self.assertListEqual(_testlimitedcapi.mapping_values(mapping),
                                  list(mapping.values()))
-            self.assertListEqual(_testcapi.mapping_items(mapping),
+            self.assertListEqual(_testlimitedcapi.mapping_items(mapping),
                                  list(mapping.items()))
 
     def test_mapping_keys_valuesitems_bad_arg(self):
-        self.assertRaises(AttributeError, _testcapi.mapping_keys, object())
-        self.assertRaises(AttributeError, _testcapi.mapping_values, object())
-        self.assertRaises(AttributeError, _testcapi.mapping_items, object())
-        self.assertRaises(AttributeError, _testcapi.mapping_keys, [])
-        self.assertRaises(AttributeError, _testcapi.mapping_values, [])
-        self.assertRaises(AttributeError, _testcapi.mapping_items, [])
-        self.assertRaises(SystemError, _testcapi.mapping_keys, NULL)
-        self.assertRaises(SystemError, _testcapi.mapping_values, NULL)
-        self.assertRaises(SystemError, _testcapi.mapping_items, NULL)
+        self.assertRaises(AttributeError, _testlimitedcapi.mapping_keys, 
object())
+        self.assertRaises(AttributeError, _testlimitedcapi.mapping_values, 
object())
+        self.assertRaises(AttributeError, _testlimitedcapi.mapping_items, 
object())
+        self.assertRaises(AttributeError, _testlimitedcapi.mapping_keys, [])
+        self.assertRaises(AttributeError, _testlimitedcapi.mapping_values, [])
+        self.assertRaises(AttributeError, _testlimitedcapi.mapping_items, [])
+        self.assertRaises(SystemError, _testlimitedcapi.mapping_keys, NULL)
+        self.assertRaises(SystemError, _testlimitedcapi.mapping_values, NULL)
+        self.assertRaises(SystemError, _testlimitedcapi.mapping_items, NULL)
 
         class BadMapping:
             def keys(self):
@@ -703,12 +704,12 @@ def values(self):
             def items(self):
                 return None
         bad_mapping = BadMapping()
-        self.assertRaises(TypeError, _testcapi.mapping_keys, bad_mapping)
-        self.assertRaises(TypeError, _testcapi.mapping_values, bad_mapping)
-        self.assertRaises(TypeError, _testcapi.mapping_items, bad_mapping)
+        self.assertRaises(TypeError, _testlimitedcapi.mapping_keys, 
bad_mapping)
+        self.assertRaises(TypeError, _testlimitedcapi.mapping_values, 
bad_mapping)
+        self.assertRaises(TypeError, _testlimitedcapi.mapping_items, 
bad_mapping)
 
     def test_sequence_check(self):
-        check = _testcapi.sequence_check
+        check = _testlimitedcapi.sequence_check
         self.assertFalse(check({1: 2}))
         self.assertTrue(check([1, 2]))
         self.assertTrue(check((1, 2)))
@@ -719,7 +720,7 @@ def test_sequence_check(self):
         # CRASHES check(NULL)
 
     def test_sequence_size(self):
-        for size in _testcapi.sequence_size, _testcapi.sequence_length:
+        for size in _testlimitedcapi.sequence_size, 
_testlimitedcapi.sequence_length:
             self.assertEqual(size([1, 2]), 2)
             self.assertEqual(size((1, 2)), 2)
             self.assertEqual(size('abc'), 3)
@@ -731,7 +732,7 @@ def test_sequence_size(self):
             self.assertRaises(SystemError, size, NULL)
 
     def test_sequence_getitem(self):
-        getitem = _testcapi.sequence_getitem
+        getitem = _testlimitedcapi.sequence_getitem
         lst = ['a', 'b', 'c']
         self.assertEqual(getitem(lst, 1), 'b')
         self.assertEqual(getitem(lst, -1), 'c')
@@ -744,7 +745,7 @@ def test_sequence_getitem(self):
         self.assertRaises(SystemError, getitem, NULL, 1)
 
     def test_sequence_concat(self):
-        concat = _testcapi.sequence_concat
+        concat = _testlimitedcapi.sequence_concat
         self.assertEqual(concat(['a', 'b'], [1, 2]), ['a', 'b', 1, 2])
         self.assertEqual(concat(('a', 'b'), (1, 2)), ('a', 'b', 1, 2))
 
@@ -757,7 +758,7 @@ def test_sequence_concat(self):
         self.assertRaises(SystemError, concat, NULL, [])
 
     def test_sequence_repeat(self):
-        repeat = _testcapi.sequence_repeat
+        repeat = _testlimitedcapi.sequence_repeat
         self.assertEqual(repeat(['a', 'b'], 2), ['a', 'b', 'a', 'b'])
         self.assertEqual(repeat(('a', 'b'), 2), ('a', 'b', 'a', 'b'))
         self.assertEqual(repeat(['a', 'b'], 0), [])
@@ -771,7 +772,7 @@ def test_sequence_repeat(self):
         self.assertRaises(SystemError, repeat, NULL, 2)
 
     def test_sequence_inplaceconcat(self):
-        inplaceconcat = _testcapi.sequence_inplaceconcat
+        inplaceconcat = _testlimitedcapi.sequence_inplaceconcat
         lst = ['a', 'b']
         res = inplaceconcat(lst, [1, 2])
         self.assertEqual(res, ['a', 'b', 1, 2])
@@ -790,7 +791,7 @@ def test_sequence_inplaceconcat(self):
         self.assertRaises(SystemError, inplaceconcat, NULL, [])
 
     def test_sequence_inplacerepeat(self):
-        inplacerepeat = _testcapi.sequence_inplacerepeat
+        inplacerepeat = _testlimitedcapi.sequence_inplacerepeat
         lst = ['a', 'b']
         res = inplacerepeat(lst, 2)
         self.assertEqual(res, ['a', 'b', 'a', 'b'])
@@ -807,7 +808,7 @@ def test_sequence_inplacerepeat(self):
         self.assertRaises(SystemError, inplacerepeat, NULL, 2)
 
     def test_sequence_setitem(self):
-        setitem = _testcapi.sequence_setitem
+        setitem = _testlimitedcapi.sequence_setitem
         lst = ['a', 'b', 'c']
         setitem(lst, 1, 'x')
         self.assertEqual(lst, ['a', 'x', 'c'])
@@ -825,7 +826,7 @@ def test_sequence_setitem(self):
         self.assertRaises(SystemError, setitem, NULL, 1, 'x')
 
     def test_sequence_delitem(self):
-        delitem = _testcapi.sequence_delitem
+        delitem = _testlimitedcapi.sequence_delitem
         lst = ['a', 'b', 'c']
         delitem(lst, 1)
         self.assertEqual(lst, ['a', 'c'])
@@ -840,7 +841,7 @@ def test_sequence_delitem(self):
         self.assertRaises(SystemError, delitem, NULL, 1)
 
     def test_sequence_setslice(self):
-        setslice = _testcapi.sequence_setslice
+        setslice = _testlimitedcapi.sequence_setslice
 
         # Correct case:
         for start in [*range(-6, 7), PY_SSIZE_T_MIN, PY_SSIZE_T_MAX]:
@@ -882,7 +883,7 @@ def __setitem__(self, index, value):
         self.assertRaises(SystemError, setslice, NULL, 1, 3, 'xy')
 
     def test_sequence_delslice(self):
-        delslice = _testcapi.sequence_delslice
+        delslice = _testlimitedcapi.sequence_delslice
 
         # Correct case:
         for start in [*range(-6, 7), PY_SSIZE_T_MIN, PY_SSIZE_T_MAX]:
@@ -920,7 +921,7 @@ def __delitem__(self, index):
         self.assertEqual(mapping, {1: 'a', 2: 'b', 3: 'c'})
 
     def test_sequence_count(self):
-        count = _testcapi.sequence_count
+        count = _testlimitedcapi.sequence_count
 
         lst = ['a', 'b', 'a']
         self.assertEqual(count(lst, 'a'), 2)
@@ -935,7 +936,7 @@ def test_sequence_count(self):
         self.assertRaises(SystemError, count, NULL, 'a')
 
     def test_sequence_contains(self):
-        contains = _testcapi.sequence_contains
+        contains = _testlimitedcapi.sequence_contains
 
         lst = ['a', 'b', 'a']
         self.assertEqual(contains(lst, 'a'), 1)
@@ -954,7 +955,7 @@ def test_sequence_contains(self):
         # CRASHES contains(NULL, 'a')
 
     def test_sequence_index(self):
-        index = _testcapi.sequence_index
+        index = _testlimitedcapi.sequence_index
 
         lst = ['a', 'b', 'a']
         self.assertEqual(index(lst, 'a'), 0)
@@ -974,7 +975,7 @@ def test_sequence_index(self):
         self.assertRaises(SystemError, index, NULL, 'a')
 
     def test_sequence_list(self):
-        xlist = _testcapi.sequence_list
+        xlist = _testlimitedcapi.sequence_list
         self.assertEqual(xlist(['a', 'b', 'c']), ['a', 'b', 'c'])
         self.assertEqual(xlist(('a', 'b', 'c')), ['a', 'b', 'c'])
         self.assertEqual(xlist(iter(['a', 'b', 'c'])), ['a', 'b', 'c'])
@@ -984,7 +985,7 @@ def test_sequence_list(self):
         self.assertRaises(SystemError, xlist, NULL)
 
     def test_sequence_tuple(self):
-        xtuple = _testcapi.sequence_tuple
+        xtuple = _testlimitedcapi.sequence_tuple
         self.assertEqual(xtuple(['a', 'b', 'c']), ('a', 'b', 'c'))
         self.assertEqual(xtuple(('a', 'b', 'c')), ('a', 'b', 'c'))
         self.assertEqual(xtuple(iter(['a', 'b', 'c'])), ('a', 'b', 'c'))
@@ -994,7 +995,7 @@ def test_sequence_tuple(self):
         self.assertRaises(SystemError, xtuple, NULL)
 
     def test_number_check(self):
-        number_check = _testcapi.number_check
+        number_check = _testlimitedcapi.number_check
         self.assertTrue(number_check(1 + 1j))
         self.assertTrue(number_check(1))
         self.assertTrue(number_check(0.5))
diff --git a/Lib/test/test_capi/test_float.py b/Lib/test/test_capi/test_float.py
index cb94d562645916..92c987794142c9 100644
--- a/Lib/test/test_capi/test_float.py
+++ b/Lib/test/test_capi/test_float.py
@@ -9,6 +9,7 @@
 from test.support import import_helper
 
 _testcapi = import_helper.import_module('_testcapi')
+_testlimitedcapi = import_helper.import_module('_testlimitedcapi')
 
 NULL = None
 
@@ -29,7 +30,7 @@
 class CAPIFloatTest(unittest.TestCase):
     def test_check(self):
         # Test PyFloat_Check()
-        check = _testcapi.float_check
+        check = _testlimitedcapi.float_check
 
         self.assertTrue(check(4.25))
         self.assertTrue(check(FloatSubclass(4.25)))
@@ -41,7 +42,7 @@ def test_check(self):
 
     def test_checkexact(self):
         # Test PyFloat_CheckExact()
-        checkexact = _testcapi.float_checkexact
+        checkexact = _testlimitedcapi.float_checkexact
 
         self.assertTrue(checkexact(4.25))
         self.assertFalse(checkexact(FloatSubclass(4.25)))
@@ -53,7 +54,7 @@ def test_checkexact(self):
 
     def test_fromstring(self):
         # Test PyFloat_FromString()
-        fromstring = _testcapi.float_fromstring
+        fromstring = _testlimitedcapi.float_fromstring
 
         self.assertEqual(fromstring("4.25"), 4.25)
         self.assertEqual(fromstring(b"4.25"), 4.25)
@@ -72,13 +73,13 @@ def test_fromstring(self):
 
     def test_fromdouble(self):
         # Test PyFloat_FromDouble()
-        fromdouble = _testcapi.float_fromdouble
+        fromdouble = _testlimitedcapi.float_fromdouble
 
         self.assertEqual(fromdouble(4.25), 4.25)
 
     def test_asdouble(self):
         # Test PyFloat_AsDouble()
-        asdouble = _testcapi.float_asdouble
+        asdouble = _testlimitedcapi.float_asdouble
 
         class BadFloat3:
             def __float__(self):
@@ -109,19 +110,19 @@ def __float__(self):
 
     def test_getinfo(self):
         # Test PyFloat_GetInfo()
-        getinfo = _testcapi.float_getinfo
+        getinfo = _testlimitedcapi.float_getinfo
 
         self.assertEqual(getinfo(), sys.float_info)
 
     def test_getmax(self):
         # Test PyFloat_GetMax()
-        getmax = _testcapi.float_getmax
+        getmax = _testlimitedcapi.float_getmax
 
         self.assertEqual(getmax(), sys.float_info.max)
 
     def test_getmin(self):
         # Test PyFloat_GetMax()
-        getmin = _testcapi.float_getmin
+        getmin = _testlimitedcapi.float_getmin
 
         self.assertEqual(getmin(), sys.float_info.min)
 
diff --git a/Lib/test/test_class.py b/Lib/test/test_class.py
index d59271435e9eb0..ad89a22c625dfd 100644
--- a/Lib/test/test_class.py
+++ b/Lib/test/test_class.py
@@ -448,15 +448,15 @@ def __delattr__(self, *args):
     def testHasAttrString(self):
         import sys
         from test.support import import_helper
-        _testcapi = import_helper.import_module('_testcapi')
+        _testlimitedcapi = import_helper.import_module('_testlimitedcapi')
 
         class A:
             def __init__(self):
                 self.attr = 1
 
         a = A()
-        self.assertEqual(_testcapi.object_hasattrstring(a, b"attr"), 1)
-        self.assertEqual(_testcapi.object_hasattrstring(a, b"noattr"), 0)
+        self.assertEqual(_testlimitedcapi.object_hasattrstring(a, b"attr"), 1)
+        self.assertEqual(_testlimitedcapi.object_hasattrstring(a, b"noattr"), 
0)
         self.assertIsNone(sys.exception())
 
     def testDel(self):
diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
index d4743d31b465a9..d6c322e715efe9 100644
--- a/Modules/Setup.stdlib.in
+++ b/Modules/Setup.stdlib.in
@@ -163,7 +163,7 @@
 @MODULE__TESTBUFFER_TRUE@_testbuffer _testbuffer.c
 @MODULE__TESTINTERNALCAPI_TRUE@_testinternalcapi _testinternalcapi.c 
_testinternalcapi/test_lock.c _testinternalcapi/pytime.c 
_testinternalcapi/set.c _testinternalcapi/test_critical_sections.c
 @MODULE__TESTCAPI_TRUE@_testcapi _testcapimodule.c _testcapi/vectorcall.c 
_testcapi/heaptype.c _testcapi/abstract.c _testcapi/unicode.c _testcapi/dict.c 
_testcapi/set.c _testcapi/list.c _testcapi/tuple.c _testcapi/getargs.c 
_testcapi/datetime.c _testcapi/docstring.c _testcapi/mem.c _testcapi/watchers.c 
_testcapi/long.c _testcapi/float.c _testcapi/complex.c _testcapi/numbers.c 
_testcapi/structmember.c _testcapi/exceptions.c _testcapi/code.c 
_testcapi/buffer.c _testcapi/pyatomic.c _testcapi/file.c _testcapi/codec.c 
_testcapi/immortal.c _testcapi/gc.c _testcapi/hash.c _testcapi/time.c
-@MODULE__TESTLIMITEDCAPI_TRUE@_testlimitedcapi _testlimitedcapi.c 
_testlimitedcapi/bytearray.c _testlimitedcapi/bytes.c 
_testlimitedcapi/heaptype_relative.c _testlimitedcapi/list.c 
_testlimitedcapi/pyos.c _testlimitedcapi/set.c _testlimitedcapi/sys.c 
_testlimitedcapi/vectorcall_limited.c
+@MODULE__TESTLIMITEDCAPI_TRUE@_testlimitedcapi _testlimitedcapi.c 
_testlimitedcapi/abstract.c _testlimitedcapi/bytearray.c 
_testlimitedcapi/bytes.c _testlimitedcapi/float.c 
_testlimitedcapi/heaptype_relative.c _testlimitedcapi/list.c 
_testlimitedcapi/pyos.c _testlimitedcapi/set.c _testlimitedcapi/sys.c 
_testlimitedcapi/vectorcall_limited.c
 @MODULE__TESTCLINIC_TRUE@_testclinic _testclinic.c
 @MODULE__TESTCLINIC_LIMITED_TRUE@_testclinic_limited _testclinic_limited.c
 
diff --git a/Modules/_testcapi/abstract.c b/Modules/_testcapi/abstract.c
index a8ba009eb6a54b..b126aee5b9777b 100644
--- a/Modules/_testcapi/abstract.c
+++ b/Modules/_testcapi/abstract.c
@@ -2,59 +2,6 @@
 #include "util.h"
 
 
-static PyObject *
-object_repr(PyObject *self, PyObject *arg)
-{
-    NULLABLE(arg);
-    return PyObject_Repr(arg);
-}
-
-static PyObject *
-object_ascii(PyObject *self, PyObject *arg)
-{
-    NULLABLE(arg);
-    return PyObject_ASCII(arg);
-}
-
-static PyObject *
-object_str(PyObject *self, PyObject *arg)
-{
-    NULLABLE(arg);
-    return PyObject_Str(arg);
-}
-
-static PyObject *
-object_bytes(PyObject *self, PyObject *arg)
-{
-    NULLABLE(arg);
-    return PyObject_Bytes(arg);
-}
-
-static PyObject *
-object_getattr(PyObject *self, PyObject *args)
-{
-    PyObject *obj, *attr_name;
-    if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    NULLABLE(attr_name);
-    return PyObject_GetAttr(obj, attr_name);
-}
-
-static PyObject *
-object_getattrstring(PyObject *self, PyObject *args)
-{
-    PyObject *obj;
-    const char *attr_name;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    return PyObject_GetAttrString(obj, attr_name);
-}
-
 static PyObject *
 object_getoptionalattr(PyObject *self, PyObject *args)
 {
@@ -106,31 +53,6 @@ object_getoptionalattrstring(PyObject *self, PyObject *args)
     }
 }
 
-static PyObject *
-object_hasattr(PyObject *self, PyObject *args)
-{
-    PyObject *obj, *attr_name;
-    if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    NULLABLE(attr_name);
-    return PyLong_FromLong(PyObject_HasAttr(obj, attr_name));
-}
-
-static PyObject *
-object_hasattrstring(PyObject *self, PyObject *args)
-{
-    PyObject *obj;
-    const char *attr_name;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    return PyLong_FromLong(PyObject_HasAttrString(obj, attr_name));
-}
-
 static PyObject *
 object_hasattrwitherror(PyObject *self, PyObject *args)
 {
@@ -157,121 +79,17 @@ object_hasattrstringwitherror(PyObject *self, PyObject 
*args)
 }
 
 static PyObject *
-object_setattr(PyObject *self, PyObject *args)
-{
-    PyObject *obj, *attr_name, *value;
-    if (!PyArg_ParseTuple(args, "OOO", &obj, &attr_name, &value)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    NULLABLE(attr_name);
-    NULLABLE(value);
-    RETURN_INT(PyObject_SetAttr(obj, attr_name, value));
-}
-
-static PyObject *
-object_setattrstring(PyObject *self, PyObject *args)
-{
-    PyObject *obj, *value;
-    const char *attr_name;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#O", &obj, &attr_name, &size, &value)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    NULLABLE(value);
-    RETURN_INT(PyObject_SetAttrString(obj, attr_name, value));
-}
-
-static PyObject *
-object_delattr(PyObject *self, PyObject *args)
-{
-    PyObject *obj, *attr_name;
-if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    NULLABLE(attr_name);
-    RETURN_INT(PyObject_DelAttr(obj, attr_name));
-}
-
-static PyObject *
-object_delattrstring(PyObject *self, PyObject *args)
+mapping_getoptionalitemstring(PyObject *self, PyObject *args)
 {
-    PyObject *obj;
+    PyObject *obj, *value = UNINITIALIZED_PTR;
     const char *attr_name;
     Py_ssize_t size;
     if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
         return NULL;
     }
     NULLABLE(obj);
-    RETURN_INT(PyObject_DelAttrString(obj, attr_name));
-}
-
-static PyObject *
-number_check(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyBool_FromLong(PyNumber_Check(obj));
-}
-
-static PyObject *
-mapping_check(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyLong_FromLong(PyMapping_Check(obj));
-}
-
-static PyObject *
-mapping_size(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    RETURN_SIZE(PyMapping_Size(obj));
-}
-
-static PyObject *
-mapping_length(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    RETURN_SIZE(PyMapping_Length(obj));
-}
-
-static PyObject *
-object_getitem(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *key;
-    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(key);
-    return PyObject_GetItem(mapping, key);
-}
-
-static PyObject *
-mapping_getitemstring(PyObject *self, PyObject *args)
-{
-    PyObject *mapping;
-    const char *key;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    return PyMapping_GetItemString(mapping, key);
-}
-
-static PyObject *
-mapping_getoptionalitem(PyObject *self, PyObject *args)
-{
-    PyObject *obj, *attr_name, *value = UNINITIALIZED_PTR;
-    if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
-        return NULL;
-    }
-    NULLABLE(obj);
-    NULLABLE(attr_name);
 
-    switch (PyMapping_GetOptionalItem(obj, attr_name, &value)) {
+    switch (PyMapping_GetOptionalItemString(obj, attr_name, &value)) {
         case -1:
             assert(value == NULL);
             return NULL;
@@ -281,23 +99,22 @@ mapping_getoptionalitem(PyObject *self, PyObject *args)
         case 1:
             return value;
         default:
-            Py_FatalError("PyMapping_GetOptionalItem() returned invalid code");
+            Py_FatalError("PyMapping_GetOptionalItemString() returned invalid 
code");
             Py_UNREACHABLE();
     }
 }
 
 static PyObject *
-mapping_getoptionalitemstring(PyObject *self, PyObject *args)
+mapping_getoptionalitem(PyObject *self, PyObject *args)
 {
-    PyObject *obj, *value = UNINITIALIZED_PTR;
-    const char *attr_name;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
+    PyObject *obj, *attr_name, *value = UNINITIALIZED_PTR;
+    if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
         return NULL;
     }
     NULLABLE(obj);
+    NULLABLE(attr_name);
 
-    switch (PyMapping_GetOptionalItemString(obj, attr_name, &value)) {
+    switch (PyMapping_GetOptionalItem(obj, attr_name, &value)) {
         case -1:
             assert(value == NULL);
             return NULL;
@@ -307,399 +124,19 @@ mapping_getoptionalitemstring(PyObject *self, PyObject 
*args)
         case 1:
             return value;
         default:
-            Py_FatalError("PyMapping_GetOptionalItemString() returned invalid 
code");
+            Py_FatalError("PyMapping_GetOptionalItem() returned invalid code");
             Py_UNREACHABLE();
     }
 }
 
-static PyObject *
-mapping_haskey(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *key;
-    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(key);
-    return PyLong_FromLong(PyMapping_HasKey(mapping, key));
-}
-
-static PyObject *
-mapping_haskeystring(PyObject *self, PyObject *args)
-{
-    PyObject *mapping;
-    const char *key;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    return PyLong_FromLong(PyMapping_HasKeyString(mapping, key));
-}
-
-static PyObject *
-mapping_haskeywitherror(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *key;
-    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(key);
-    RETURN_INT(PyMapping_HasKeyWithError(mapping, key));
-}
-
-static PyObject *
-mapping_haskeystringwitherror(PyObject *self, PyObject *args)
-{
-    PyObject *mapping;
-    const char *key;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    RETURN_INT(PyMapping_HasKeyStringWithError(mapping, key));
-}
-
-static PyObject *
-object_setitem(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *key, *value;
-    if (!PyArg_ParseTuple(args, "OOO", &mapping, &key, &value)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(key);
-    NULLABLE(value);
-    RETURN_INT(PyObject_SetItem(mapping, key, value));
-}
-
-static PyObject *
-mapping_setitemstring(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *value;
-    const char *key;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#O", &mapping, &key, &size, &value)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(value);
-    RETURN_INT(PyMapping_SetItemString(mapping, key, value));
-}
-
-static PyObject *
-object_delitem(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *key;
-    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(key);
-    RETURN_INT(PyObject_DelItem(mapping, key));
-}
-
-static PyObject *
-mapping_delitem(PyObject *self, PyObject *args)
-{
-    PyObject *mapping, *key;
-    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    NULLABLE(key);
-    RETURN_INT(PyMapping_DelItem(mapping, key));
-}
-
-static PyObject *
-mapping_delitemstring(PyObject *self, PyObject *args)
-{
-    PyObject *mapping;
-    const char *key;
-    Py_ssize_t size;
-    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
-        return NULL;
-    }
-    NULLABLE(mapping);
-    RETURN_INT(PyMapping_DelItemString(mapping, key));
-}
-
-static PyObject *
-mapping_keys(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyMapping_Keys(obj);
-}
-
-static PyObject *
-mapping_values(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyMapping_Values(obj);
-}
-
-static PyObject *
-mapping_items(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyMapping_Items(obj);
-}
-
-
-static PyObject *
-sequence_check(PyObject* self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyLong_FromLong(PySequence_Check(obj));
-}
-
-static PyObject *
-sequence_size(PyObject* self, PyObject *obj)
-{
-    NULLABLE(obj);
-    RETURN_SIZE(PySequence_Size(obj));
-}
-
-static PyObject *
-sequence_length(PyObject* self, PyObject *obj)
-{
-    NULLABLE(obj);
-    RETURN_SIZE(PySequence_Length(obj));
-}
-
-static PyObject *
-sequence_concat(PyObject *self, PyObject *args)
-{
-    PyObject *seq1, *seq2;
-    if (!PyArg_ParseTuple(args, "OO", &seq1, &seq2)) {
-        return NULL;
-    }
-    NULLABLE(seq1);
-    NULLABLE(seq2);
-
-    return PySequence_Concat(seq1, seq2);
-}
-
-static PyObject *
-sequence_repeat(PyObject *self, PyObject *args)
-{
-    PyObject *seq;
-    Py_ssize_t count;
-    if (!PyArg_ParseTuple(args, "On", &seq, &count)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-
-    return PySequence_Repeat(seq, count);
-}
-
-static PyObject *
-sequence_inplaceconcat(PyObject *self, PyObject *args)
-{
-    PyObject *seq1, *seq2;
-    if (!PyArg_ParseTuple(args, "OO", &seq1, &seq2)) {
-        return NULL;
-    }
-    NULLABLE(seq1);
-    NULLABLE(seq2);
-
-    return PySequence_InPlaceConcat(seq1, seq2);
-}
-
-static PyObject *
-sequence_inplacerepeat(PyObject *self, PyObject *args)
-{
-    PyObject *seq;
-    Py_ssize_t count;
-    if (!PyArg_ParseTuple(args, "On", &seq, &count)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-
-    return PySequence_InPlaceRepeat(seq, count);
-}
-
-static PyObject *
-sequence_getitem(PyObject *self, PyObject *args)
-{
-    PyObject *seq;
-    Py_ssize_t i;
-    if (!PyArg_ParseTuple(args, "On", &seq, &i)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-
-    return PySequence_GetItem(seq, i);
-}
-
-static PyObject *
-sequence_setitem(PyObject *self, PyObject *args)
-{
-    Py_ssize_t i;
-    PyObject *seq, *val;
-    if (!PyArg_ParseTuple(args, "OnO", &seq, &i, &val)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-    NULLABLE(val);
-
-    RETURN_INT(PySequence_SetItem(seq, i, val));
-}
-
-
-static PyObject *
-sequence_delitem(PyObject *self, PyObject *args)
-{
-    Py_ssize_t i;
-    PyObject *seq;
-    if (!PyArg_ParseTuple(args, "On", &seq, &i)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-
-    RETURN_INT(PySequence_DelItem(seq, i));
-}
-
-static PyObject *
-sequence_setslice(PyObject* self, PyObject *args)
-{
-    PyObject *sequence, *obj;
-    Py_ssize_t i1, i2;
-    if (!PyArg_ParseTuple(args, "OnnO", &sequence, &i1, &i2, &obj)) {
-        return NULL;
-    }
-    NULLABLE(sequence);
-    NULLABLE(obj);
-
-    RETURN_INT(PySequence_SetSlice(sequence, i1, i2, obj));
-}
-
-static PyObject *
-sequence_delslice(PyObject *self, PyObject *args)
-{
-    PyObject *sequence;
-    Py_ssize_t i1, i2;
-    if (!PyArg_ParseTuple(args, "Onn", &sequence, &i1, &i2)) {
-        return NULL;
-    }
-    NULLABLE(sequence);
-
-    RETURN_INT(PySequence_DelSlice(sequence, i1, i2));
-}
-
-static PyObject *
-sequence_count(PyObject *self, PyObject *args)
-{
-    PyObject *seq, *value;
-    if (!PyArg_ParseTuple(args, "OO", &seq, &value)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-    NULLABLE(value);
-
-    RETURN_SIZE(PySequence_Count(seq, value));
-}
-
-static PyObject *
-sequence_contains(PyObject *self, PyObject *args)
-{
-    PyObject *seq, *value;
-    if (!PyArg_ParseTuple(args, "OO", &seq, &value)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-    NULLABLE(value);
-
-    RETURN_INT(PySequence_Contains(seq, value));
-}
-
-static PyObject *
-sequence_index(PyObject *self, PyObject *args)
-{
-    PyObject *seq, *value;
-    if (!PyArg_ParseTuple(args, "OO", &seq, &value)) {
-        return NULL;
-    }
-    NULLABLE(seq);
-    NULLABLE(value);
-
-    RETURN_SIZE(PySequence_Index(seq, value));
-}
-
-static PyObject *
-sequence_list(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PySequence_List(obj);
-}
-
-static PyObject *
-sequence_tuple(PyObject *self, PyObject *obj)
-{
-    NULLABLE(obj);
-    return PySequence_Tuple(obj);
-}
-
 
 static PyMethodDef test_methods[] = {
-    {"object_repr", object_repr, METH_O},
-    {"object_ascii", object_ascii, METH_O},
-    {"object_str", object_str, METH_O},
-    {"object_bytes", object_bytes, METH_O},
-
-    {"object_getattr", object_getattr, METH_VARARGS},
-    {"object_getattrstring", object_getattrstring, METH_VARARGS},
     {"object_getoptionalattr", object_getoptionalattr, METH_VARARGS},
     {"object_getoptionalattrstring", object_getoptionalattrstring, 
METH_VARARGS},
-    {"object_hasattr", object_hasattr, METH_VARARGS},
-    {"object_hasattrstring", object_hasattrstring, METH_VARARGS},
     {"object_hasattrwitherror", object_hasattrwitherror, METH_VARARGS},
     {"object_hasattrstringwitherror", object_hasattrstringwitherror, 
METH_VARARGS},
-    {"object_setattr", object_setattr, METH_VARARGS},
-    {"object_setattrstring", object_setattrstring, METH_VARARGS},
-    {"object_delattr", object_delattr, METH_VARARGS},
-    {"object_delattrstring", object_delattrstring, METH_VARARGS},
-
-    {"number_check", number_check, METH_O},
-    {"mapping_check", mapping_check, METH_O},
-    {"mapping_size", mapping_size, METH_O},
-    {"mapping_length", mapping_length, METH_O},
-    {"object_getitem", object_getitem, METH_VARARGS},
-    {"mapping_getitemstring", mapping_getitemstring, METH_VARARGS},
     {"mapping_getoptionalitem", mapping_getoptionalitem, METH_VARARGS},
     {"mapping_getoptionalitemstring", mapping_getoptionalitemstring, 
METH_VARARGS},
-    {"mapping_haskey", mapping_haskey, METH_VARARGS},
-    {"mapping_haskeystring", mapping_haskeystring, METH_VARARGS},
-    {"mapping_haskeywitherror", mapping_haskeywitherror, METH_VARARGS},
-    {"mapping_haskeystringwitherror", mapping_haskeystringwitherror, 
METH_VARARGS},
-    {"object_setitem", object_setitem, METH_VARARGS},
-    {"mapping_setitemstring", mapping_setitemstring, METH_VARARGS},
-    {"object_delitem", object_delitem, METH_VARARGS},
-    {"mapping_delitem", mapping_delitem, METH_VARARGS},
-    {"mapping_delitemstring", mapping_delitemstring, METH_VARARGS},
-    {"mapping_keys", mapping_keys, METH_O},
-    {"mapping_values", mapping_values, METH_O},
-    {"mapping_items", mapping_items, METH_O},
-
-    {"sequence_check", sequence_check, METH_O},
-    {"sequence_size", sequence_size, METH_O},
-    {"sequence_length", sequence_length, METH_O},
-    {"sequence_concat", sequence_concat, METH_VARARGS},
-    {"sequence_repeat", sequence_repeat, METH_VARARGS},
-    {"sequence_inplaceconcat", sequence_inplaceconcat, METH_VARARGS},
-    {"sequence_inplacerepeat", sequence_inplacerepeat, METH_VARARGS},
-    {"sequence_getitem", sequence_getitem, METH_VARARGS},
-    {"sequence_setitem", sequence_setitem, METH_VARARGS},
-    {"sequence_delitem", sequence_delitem, METH_VARARGS},
-    {"sequence_setslice", sequence_setslice, METH_VARARGS},
-    {"sequence_delslice", sequence_delslice, METH_VARARGS},
-    {"sequence_count", sequence_count, METH_VARARGS},
-    {"sequence_contains", sequence_contains, METH_VARARGS},
-    {"sequence_index", sequence_index, METH_VARARGS},
-    {"sequence_list", sequence_list, METH_O},
-    {"sequence_tuple", sequence_tuple, METH_O},
 
     {NULL},
 };
diff --git a/Modules/_testcapi/float.c b/Modules/_testcapi/float.c
index 4fcbaf3bb2aa1e..15ea97ec4520b7 100644
--- a/Modules/_testcapi/float.c
+++ b/Modules/_testcapi/float.c
@@ -6,71 +6,6 @@
 #include "clinic/float.c.h"
 
 
-static PyObject *
-float_check(PyObject *Py_UNUSED(module), PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyLong_FromLong(PyFloat_Check(obj));
-}
-
-static PyObject *
-float_checkexact(PyObject *Py_UNUSED(module), PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyLong_FromLong(PyFloat_CheckExact(obj));
-}
-
-static PyObject *
-float_fromstring(PyObject *Py_UNUSED(module), PyObject *obj)
-{
-    NULLABLE(obj);
-    return PyFloat_FromString(obj);
-}
-
-static PyObject *
-float_fromdouble(PyObject *Py_UNUSED(module), PyObject *obj)
-{
-    double d;
-
-    if (!PyArg_Parse(obj, "d", &d)) {
-        return NULL;
-    }
-
-    return PyFloat_FromDouble(d);
-}
-
-static PyObject *
-float_asdouble(PyObject *Py_UNUSED(module), PyObject *obj)
-{
-    double d;
-
-    NULLABLE(obj);
-    d = PyFloat_AsDouble(obj);
-    if (d == -1. && PyErr_Occurred()) {
-        return NULL;
-    }
-
-    return PyFloat_FromDouble(d);
-}
-
-static PyObject *
-float_getinfo(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(arg))
-{
-    return PyFloat_GetInfo();
-}
-
-static PyObject *
-float_getmax(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(arg))
-{
-    return PyFloat_FromDouble(PyFloat_GetMax());
-}
-
-static PyObject *
-float_getmin(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(arg))
-{
-    return PyFloat_FromDouble(PyFloat_GetMin());
-}
-
 /*[clinic input]
 module _testcapi
 [clinic start generated code]*/
@@ -165,14 +100,6 @@ _testcapi_float_unpack_impl(PyObject *module, const char 
*data,
 }
 
 static PyMethodDef test_methods[] = {
-    {"float_check", float_check, METH_O},
-    {"float_checkexact", float_checkexact, METH_O},
-    {"float_fromstring", float_fromstring, METH_O},
-    {"float_fromdouble", float_fromdouble, METH_O},
-    {"float_asdouble", float_asdouble, METH_O},
-    {"float_getinfo", float_getinfo, METH_NOARGS},
-    {"float_getmax", float_getmax, METH_NOARGS},
-    {"float_getmin", float_getmin, METH_NOARGS},
     _TESTCAPI_FLOAT_PACK_METHODDEF
     _TESTCAPI_FLOAT_UNPACK_METHODDEF
     {NULL},
diff --git a/Modules/_testlimitedcapi.c b/Modules/_testlimitedcapi.c
index 9edc4fe3a9e970..756e2fb252f2e2 100644
--- a/Modules/_testlimitedcapi.c
+++ b/Modules/_testlimitedcapi.c
@@ -26,12 +26,18 @@ PyInit__testlimitedcapi(void)
         return NULL;
     }
 
+    if (_PyTestLimitedCAPI_Init_Abstract(mod) < 0) {
+        return NULL;
+    }
     if (_PyTestLimitedCAPI_Init_ByteArray(mod) < 0) {
         return NULL;
     }
     if (_PyTestLimitedCAPI_Init_Bytes(mod) < 0) {
         return NULL;
     }
+    if (_PyTestLimitedCAPI_Init_Float(mod) < 0) {
+        return NULL;
+    }
     if (_PyTestLimitedCAPI_Init_HeaptypeRelative(mod) < 0) {
         return NULL;
     }
diff --git a/Modules/_testlimitedcapi/abstract.c 
b/Modules/_testlimitedcapi/abstract.c
new file mode 100644
index 00000000000000..6056dd100d6069
--- /dev/null
+++ b/Modules/_testlimitedcapi/abstract.c
@@ -0,0 +1,582 @@
+#include "parts.h"
+#include "util.h"
+
+
+static PyObject *
+object_repr(PyObject *self, PyObject *arg)
+{
+    NULLABLE(arg);
+    return PyObject_Repr(arg);
+}
+
+static PyObject *
+object_ascii(PyObject *self, PyObject *arg)
+{
+    NULLABLE(arg);
+    return PyObject_ASCII(arg);
+}
+
+static PyObject *
+object_str(PyObject *self, PyObject *arg)
+{
+    NULLABLE(arg);
+    return PyObject_Str(arg);
+}
+
+static PyObject *
+object_bytes(PyObject *self, PyObject *arg)
+{
+    NULLABLE(arg);
+    return PyObject_Bytes(arg);
+}
+
+static PyObject *
+object_getattr(PyObject *self, PyObject *args)
+{
+    PyObject *obj, *attr_name;
+    if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    NULLABLE(attr_name);
+    return PyObject_GetAttr(obj, attr_name);
+}
+
+static PyObject *
+object_getattrstring(PyObject *self, PyObject *args)
+{
+    PyObject *obj;
+    const char *attr_name;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    return PyObject_GetAttrString(obj, attr_name);
+}
+
+static PyObject *
+object_hasattr(PyObject *self, PyObject *args)
+{
+    PyObject *obj, *attr_name;
+    if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    NULLABLE(attr_name);
+    return PyLong_FromLong(PyObject_HasAttr(obj, attr_name));
+}
+
+static PyObject *
+object_hasattrstring(PyObject *self, PyObject *args)
+{
+    PyObject *obj;
+    const char *attr_name;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    return PyLong_FromLong(PyObject_HasAttrString(obj, attr_name));
+}
+
+static PyObject *
+object_setattr(PyObject *self, PyObject *args)
+{
+    PyObject *obj, *attr_name, *value;
+    if (!PyArg_ParseTuple(args, "OOO", &obj, &attr_name, &value)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    NULLABLE(attr_name);
+    NULLABLE(value);
+    RETURN_INT(PyObject_SetAttr(obj, attr_name, value));
+}
+
+static PyObject *
+object_setattrstring(PyObject *self, PyObject *args)
+{
+    PyObject *obj, *value;
+    const char *attr_name;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#O", &obj, &attr_name, &size, &value)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    NULLABLE(value);
+    RETURN_INT(PyObject_SetAttrString(obj, attr_name, value));
+}
+
+static PyObject *
+object_delattr(PyObject *self, PyObject *args)
+{
+    PyObject *obj, *attr_name;
+if (!PyArg_ParseTuple(args, "OO", &obj, &attr_name)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    NULLABLE(attr_name);
+    RETURN_INT(PyObject_DelAttr(obj, attr_name));
+}
+
+static PyObject *
+object_delattrstring(PyObject *self, PyObject *args)
+{
+    PyObject *obj;
+    const char *attr_name;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &obj, &attr_name, &size)) {
+        return NULL;
+    }
+    NULLABLE(obj);
+    RETURN_INT(PyObject_DelAttrString(obj, attr_name));
+}
+
+static PyObject *
+number_check(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyBool_FromLong(PyNumber_Check(obj));
+}
+
+static PyObject *
+mapping_check(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyLong_FromLong(PyMapping_Check(obj));
+}
+
+static PyObject *
+mapping_size(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    RETURN_SIZE(PyMapping_Size(obj));
+}
+
+static PyObject *
+mapping_length(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    RETURN_SIZE(PyMapping_Length(obj));
+}
+
+static PyObject *
+object_getitem(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *key;
+    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(key);
+    return PyObject_GetItem(mapping, key);
+}
+
+static PyObject *
+mapping_getitemstring(PyObject *self, PyObject *args)
+{
+    PyObject *mapping;
+    const char *key;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    return PyMapping_GetItemString(mapping, key);
+}
+
+static PyObject *
+mapping_haskey(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *key;
+    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(key);
+    return PyLong_FromLong(PyMapping_HasKey(mapping, key));
+}
+
+static PyObject *
+mapping_haskeystring(PyObject *self, PyObject *args)
+{
+    PyObject *mapping;
+    const char *key;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    return PyLong_FromLong(PyMapping_HasKeyString(mapping, key));
+}
+
+static PyObject *
+mapping_haskeywitherror(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *key;
+    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(key);
+    RETURN_INT(PyMapping_HasKeyWithError(mapping, key));
+}
+
+static PyObject *
+mapping_haskeystringwitherror(PyObject *self, PyObject *args)
+{
+    PyObject *mapping;
+    const char *key;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    RETURN_INT(PyMapping_HasKeyStringWithError(mapping, key));
+}
+
+static PyObject *
+object_setitem(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *key, *value;
+    if (!PyArg_ParseTuple(args, "OOO", &mapping, &key, &value)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(key);
+    NULLABLE(value);
+    RETURN_INT(PyObject_SetItem(mapping, key, value));
+}
+
+static PyObject *
+mapping_setitemstring(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *value;
+    const char *key;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#O", &mapping, &key, &size, &value)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(value);
+    RETURN_INT(PyMapping_SetItemString(mapping, key, value));
+}
+
+static PyObject *
+object_delitem(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *key;
+    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(key);
+    RETURN_INT(PyObject_DelItem(mapping, key));
+}
+
+static PyObject *
+mapping_delitem(PyObject *self, PyObject *args)
+{
+    PyObject *mapping, *key;
+    if (!PyArg_ParseTuple(args, "OO", &mapping, &key)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    NULLABLE(key);
+    RETURN_INT(PyMapping_DelItem(mapping, key));
+}
+
+static PyObject *
+mapping_delitemstring(PyObject *self, PyObject *args)
+{
+    PyObject *mapping;
+    const char *key;
+    Py_ssize_t size;
+    if (!PyArg_ParseTuple(args, "Oz#", &mapping, &key, &size)) {
+        return NULL;
+    }
+    NULLABLE(mapping);
+    RETURN_INT(PyMapping_DelItemString(mapping, key));
+}
+
+static PyObject *
+mapping_keys(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyMapping_Keys(obj);
+}
+
+static PyObject *
+mapping_values(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyMapping_Values(obj);
+}
+
+static PyObject *
+mapping_items(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyMapping_Items(obj);
+}
+
+
+static PyObject *
+sequence_check(PyObject* self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyLong_FromLong(PySequence_Check(obj));
+}
+
+static PyObject *
+sequence_size(PyObject* self, PyObject *obj)
+{
+    NULLABLE(obj);
+    RETURN_SIZE(PySequence_Size(obj));
+}
+
+static PyObject *
+sequence_length(PyObject* self, PyObject *obj)
+{
+    NULLABLE(obj);
+    RETURN_SIZE(PySequence_Length(obj));
+}
+
+static PyObject *
+sequence_concat(PyObject *self, PyObject *args)
+{
+    PyObject *seq1, *seq2;
+    if (!PyArg_ParseTuple(args, "OO", &seq1, &seq2)) {
+        return NULL;
+    }
+    NULLABLE(seq1);
+    NULLABLE(seq2);
+
+    return PySequence_Concat(seq1, seq2);
+}
+
+static PyObject *
+sequence_repeat(PyObject *self, PyObject *args)
+{
+    PyObject *seq;
+    Py_ssize_t count;
+    if (!PyArg_ParseTuple(args, "On", &seq, &count)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+
+    return PySequence_Repeat(seq, count);
+}
+
+static PyObject *
+sequence_inplaceconcat(PyObject *self, PyObject *args)
+{
+    PyObject *seq1, *seq2;
+    if (!PyArg_ParseTuple(args, "OO", &seq1, &seq2)) {
+        return NULL;
+    }
+    NULLABLE(seq1);
+    NULLABLE(seq2);
+
+    return PySequence_InPlaceConcat(seq1, seq2);
+}
+
+static PyObject *
+sequence_inplacerepeat(PyObject *self, PyObject *args)
+{
+    PyObject *seq;
+    Py_ssize_t count;
+    if (!PyArg_ParseTuple(args, "On", &seq, &count)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+
+    return PySequence_InPlaceRepeat(seq, count);
+}
+
+static PyObject *
+sequence_getitem(PyObject *self, PyObject *args)
+{
+    PyObject *seq;
+    Py_ssize_t i;
+    if (!PyArg_ParseTuple(args, "On", &seq, &i)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+
+    return PySequence_GetItem(seq, i);
+}
+
+static PyObject *
+sequence_setitem(PyObject *self, PyObject *args)
+{
+    Py_ssize_t i;
+    PyObject *seq, *val;
+    if (!PyArg_ParseTuple(args, "OnO", &seq, &i, &val)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+    NULLABLE(val);
+
+    RETURN_INT(PySequence_SetItem(seq, i, val));
+}
+
+
+static PyObject *
+sequence_delitem(PyObject *self, PyObject *args)
+{
+    Py_ssize_t i;
+    PyObject *seq;
+    if (!PyArg_ParseTuple(args, "On", &seq, &i)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+
+    RETURN_INT(PySequence_DelItem(seq, i));
+}
+
+static PyObject *
+sequence_setslice(PyObject* self, PyObject *args)
+{
+    PyObject *sequence, *obj;
+    Py_ssize_t i1, i2;
+    if (!PyArg_ParseTuple(args, "OnnO", &sequence, &i1, &i2, &obj)) {
+        return NULL;
+    }
+    NULLABLE(sequence);
+    NULLABLE(obj);
+
+    RETURN_INT(PySequence_SetSlice(sequence, i1, i2, obj));
+}
+
+static PyObject *
+sequence_delslice(PyObject *self, PyObject *args)
+{
+    PyObject *sequence;
+    Py_ssize_t i1, i2;
+    if (!PyArg_ParseTuple(args, "Onn", &sequence, &i1, &i2)) {
+        return NULL;
+    }
+    NULLABLE(sequence);
+
+    RETURN_INT(PySequence_DelSlice(sequence, i1, i2));
+}
+
+static PyObject *
+sequence_count(PyObject *self, PyObject *args)
+{
+    PyObject *seq, *value;
+    if (!PyArg_ParseTuple(args, "OO", &seq, &value)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+    NULLABLE(value);
+
+    RETURN_SIZE(PySequence_Count(seq, value));
+}
+
+static PyObject *
+sequence_contains(PyObject *self, PyObject *args)
+{
+    PyObject *seq, *value;
+    if (!PyArg_ParseTuple(args, "OO", &seq, &value)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+    NULLABLE(value);
+
+    RETURN_INT(PySequence_Contains(seq, value));
+}
+
+static PyObject *
+sequence_index(PyObject *self, PyObject *args)
+{
+    PyObject *seq, *value;
+    if (!PyArg_ParseTuple(args, "OO", &seq, &value)) {
+        return NULL;
+    }
+    NULLABLE(seq);
+    NULLABLE(value);
+
+    RETURN_SIZE(PySequence_Index(seq, value));
+}
+
+static PyObject *
+sequence_list(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PySequence_List(obj);
+}
+
+static PyObject *
+sequence_tuple(PyObject *self, PyObject *obj)
+{
+    NULLABLE(obj);
+    return PySequence_Tuple(obj);
+}
+
+
+static PyMethodDef test_methods[] = {
+    {"object_repr", object_repr, METH_O},
+    {"object_ascii", object_ascii, METH_O},
+    {"object_str", object_str, METH_O},
+    {"object_bytes", object_bytes, METH_O},
+
+    {"object_getattr", object_getattr, METH_VARARGS},
+    {"object_getattrstring", object_getattrstring, METH_VARARGS},
+    {"object_hasattr", object_hasattr, METH_VARARGS},
+    {"object_hasattrstring", object_hasattrstring, METH_VARARGS},
+    {"object_setattr", object_setattr, METH_VARARGS},
+    {"object_setattrstring", object_setattrstring, METH_VARARGS},
+    {"object_delattr", object_delattr, METH_VARARGS},
+    {"object_delattrstring", object_delattrstring, METH_VARARGS},
+
+    {"number_check", number_check, METH_O},
+    {"mapping_check", mapping_check, METH_O},
+    {"mapping_size", mapping_size, METH_O},
+    {"mapping_length", mapping_length, METH_O},
+    {"object_getitem", object_getitem, METH_VARARGS},
+    {"mapping_getitemstring", mapping_getitemstring, METH_VARARGS},
+    {"mapping_haskey", mapping_haskey, METH_VARARGS},
+    {"mapping_haskeystring", mapping_haskeystring, METH_VARARGS},
+    {"mapping_haskeywitherror", mapping_haskeywitherror, METH_VARARGS},
+    {"mapping_haskeystringwitherror", mapping_haskeystringwitherror, 
METH_VARARGS},
+    {"object_setitem", object_setitem, METH_VARARGS},
+    {"mapping_setitemstring", mapping_setitemstring, METH_VARARGS},
+    {"object_delitem", object_delitem, METH_VARARGS},
+    {"mapping_delitem", mapping_delitem, METH_VARARGS},
+    {"mapping_delitemstring", mapping_delitemstring, METH_VARARGS},
+    {"mapping_keys", mapping_keys, METH_O},
+    {"mapping_values", mapping_values, METH_O},
+    {"mapping_items", mapping_items, METH_O},
+
+    {"sequence_check", sequence_check, METH_O},
+    {"sequence_size", sequence_size, METH_O},
+    {"sequence_length", sequence_length, METH_O},
+    {"sequence_concat", sequence_concat, METH_VARARGS},
+    {"sequence_repeat", sequence_repeat, METH_VARARGS},
+    {"sequence_inplaceconcat", sequence_inplaceconcat, METH_VARARGS},
+    {"sequence_inplacerepeat", sequence_inplacerepeat, METH_VARARGS},
+    {"sequence_getitem", sequence_getitem, METH_VARARGS},
+    {"sequence_setitem", sequence_setitem, METH_VARARGS},
+    {"sequence_delitem", sequence_delitem, METH_VARARGS},
+    {"sequence_setslice", sequence_setslice, METH_VARARGS},
+    {"sequence_delslice", sequence_delslice, METH_VARARGS},
+    {"sequence_count", sequence_count, METH_VARARGS},
+    {"sequence_contains", sequence_contains, METH_VARARGS},
+    {"sequence_index", sequence_index, METH_VARARGS},
+    {"sequence_list", sequence_list, METH_O},
+    {"sequence_tuple", sequence_tuple, METH_O},
+
+    {NULL},
+};
+
+int
+_PyTestLimitedCAPI_Init_Abstract(PyObject *m)
+{
+    if (PyModule_AddFunctions(m, test_methods) < 0) {
+        return -1;
+    }
+
+    return 0;
+}
diff --git a/Modules/_testlimitedcapi/float.c b/Modules/_testlimitedcapi/float.c
new file mode 100644
index 00000000000000..f9865e4be2c4a8
--- /dev/null
+++ b/Modules/_testlimitedcapi/float.c
@@ -0,0 +1,92 @@
+#include "parts.h"
+#include "util.h"
+
+
+static PyObject *
+float_check(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyLong_FromLong(PyFloat_Check(obj));
+}
+
+static PyObject *
+float_checkexact(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyLong_FromLong(PyFloat_CheckExact(obj));
+}
+
+static PyObject *
+float_fromstring(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+    NULLABLE(obj);
+    return PyFloat_FromString(obj);
+}
+
+static PyObject *
+float_fromdouble(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+    double d;
+
+    if (!PyArg_Parse(obj, "d", &d)) {
+        return NULL;
+    }
+
+    return PyFloat_FromDouble(d);
+}
+
+static PyObject *
+float_asdouble(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+    double d;
+
+    NULLABLE(obj);
+    d = PyFloat_AsDouble(obj);
+    if (d == -1. && PyErr_Occurred()) {
+        return NULL;
+    }
+
+    return PyFloat_FromDouble(d);
+}
+
+static PyObject *
+float_getinfo(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(arg))
+{
+    return PyFloat_GetInfo();
+}
+
+static PyObject *
+float_getmax(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(arg))
+{
+    return PyFloat_FromDouble(PyFloat_GetMax());
+}
+
+static PyObject *
+float_getmin(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(arg))
+{
+    return PyFloat_FromDouble(PyFloat_GetMin());
+}
+
+
+static PyMethodDef test_methods[] = {
+    {"float_check", float_check, METH_O},
+    {"float_checkexact", float_checkexact, METH_O},
+    {"float_fromstring", float_fromstring, METH_O},
+    {"float_fromdouble", float_fromdouble, METH_O},
+    {"float_asdouble", float_asdouble, METH_O},
+    {"float_getinfo", float_getinfo, METH_NOARGS},
+    {"float_getmax", float_getmax, METH_NOARGS},
+    {"float_getmin", float_getmin, METH_NOARGS},
+    {NULL},
+};
+
+int
+_PyTestLimitedCAPI_Init_Float(PyObject *mod)
+{
+    if (PyModule_AddFunctions(mod, test_methods) < 0) {
+        return -1;
+    }
+
+    return 0;
+}
+
diff --git a/Modules/_testlimitedcapi/parts.h b/Modules/_testlimitedcapi/parts.h
index ee67f10e4b4830..461fe7aa2cc337 100644
--- a/Modules/_testlimitedcapi/parts.h
+++ b/Modules/_testlimitedcapi/parts.h
@@ -22,8 +22,10 @@
 #  error "Py_BUILD_CORE macro must not be defined"
 #endif
 
+int _PyTestLimitedCAPI_Init_Abstract(PyObject *module);
 int _PyTestLimitedCAPI_Init_ByteArray(PyObject *module);
 int _PyTestLimitedCAPI_Init_Bytes(PyObject *module);
+int _PyTestLimitedCAPI_Init_Float(PyObject *module);
 int _PyTestLimitedCAPI_Init_HeaptypeRelative(PyObject *module);
 int _PyTestLimitedCAPI_Init_List(PyObject *module);
 int _PyTestLimitedCAPI_Init_PyOS(PyObject *module);
diff --git a/PCbuild/_testlimitedcapi.vcxproj b/PCbuild/_testlimitedcapi.vcxproj
index dc2ccca6bad963..43136697c5dac0 100644
--- a/PCbuild/_testlimitedcapi.vcxproj
+++ b/PCbuild/_testlimitedcapi.vcxproj
@@ -94,8 +94,10 @@
   </PropertyGroup>
   <ItemGroup>
     <ClCompile Include="..\Modules\_testlimitedcapi.c" />
+    <ClCompile Include="..\Modules\_testlimitedcapi\abstract.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\bytearray.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\bytes.c" />
+    <ClCompile Include="..\Modules\_testlimitedcapi\float.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\heaptype_relative.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\list.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\pyos.c" />
diff --git a/PCbuild/_testlimitedcapi.vcxproj.filters 
b/PCbuild/_testlimitedcapi.vcxproj.filters
index 33616be32c09b2..d3cdc47957eed5 100644
--- a/PCbuild/_testlimitedcapi.vcxproj.filters
+++ b/PCbuild/_testlimitedcapi.vcxproj.filters
@@ -9,8 +9,10 @@
     </Filter>
   </ItemGroup>
   <ItemGroup>
+    <ClCompile Include="..\Modules\_testlimitedcapi\abstract.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\bytearray.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\bytes.c" />
+    <ClCompile Include="..\Modules\_testlimitedcapi\float.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\heaptype_relative.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\list.c" />
     <ClCompile Include="..\Modules\_testlimitedcapi\pyos.c" />

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