[3.13] gh-111495: Add tests for PyTuple C API (GH-118757) (GH-123371)
(cherry picked from commit dbc1752d4107532d312c78263212e807a3674eb1)
Co-authored-by: kalyanr <kalyan.ben10@live.com>
Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>
Co-authored-by: Victor Stinner <vstinner@python.org>
diff --git a/Lib/test/test_capi/test_hash.py b/Lib/test/test_capi/test_hash.py
index 8436da7..cb2b363 100644
--- a/Lib/test/test_capi/test_hash.py
+++ b/Lib/test/test_capi/test_hash.py
@@ -77,3 +77,7 @@ def python_hash_pointer(x):
# Py_HashPointer((void*)(uintptr_t)-1) doesn't return -1 but -2
VOID_P_MAX = -1 & (2 ** (8 * SIZEOF_VOID_P) - 1)
self.assertEqual(hash_pointer(VOID_P_MAX), -2)
+
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Lib/test/test_capi/test_list.py b/Lib/test/test_capi/test_list.py
index 0896a97..4c64328 100644
--- a/Lib/test/test_capi/test_list.py
+++ b/Lib/test/test_capi/test_list.py
@@ -347,3 +347,7 @@ def test_list_extend(self):
# CRASHES list_extend(NULL, [])
# CRASHES list_extend([], NULL)
+
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Lib/test/test_capi/test_set.py b/Lib/test/test_capi/test_set.py
index 499a514..62d90a3 100644
--- a/Lib/test/test_capi/test_set.py
+++ b/Lib/test/test_capi/test_set.py
@@ -265,3 +265,7 @@ def test_set_next_entry(self):
with self.assertRaises(SystemError):
set_next(object(), 0)
# CRASHES: set_next(NULL, 0)
+
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Lib/test/test_capi/test_time.py b/Lib/test/test_capi/test_time.py
index 17ebd7c..989c158 100644
--- a/Lib/test/test_capi/test_time.py
+++ b/Lib/test/test_capi/test_time.py
@@ -72,3 +72,7 @@ def test_time(self):
# Test PyTime_Time() and PyTime_TimeRaw()
self.check_clock(_testcapi.PyTime_Time, time.time)
self.check_clock(_testcapi.PyTime_TimeRaw, time.time)
+
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Lib/test/test_capi/test_tuple.py b/Lib/test/test_capi/test_tuple.py
new file mode 100644
index 0000000..e6b49ca
--- /dev/null
+++ b/Lib/test/test_capi/test_tuple.py
@@ -0,0 +1,261 @@
+import unittest
+import sys
+from collections import namedtuple
+from test.support import import_helper
+
+_testcapi = import_helper.import_module('_testcapi')
+_testlimitedcapi = import_helper.import_module('_testlimitedcapi')
+
+NULL = None
+PY_SSIZE_T_MIN = _testcapi.PY_SSIZE_T_MIN
+PY_SSIZE_T_MAX = _testcapi.PY_SSIZE_T_MAX
+
+class TupleSubclass(tuple):
+ pass
+
+
+class CAPITest(unittest.TestCase):
+ def test_check(self):
+ # Test PyTuple_Check()
+ check = _testlimitedcapi.tuple_check
+
+ self.assertTrue(check((1, 2)))
+ self.assertTrue(check(()))
+ self.assertTrue(check(TupleSubclass((1, 2))))
+ self.assertFalse(check({1: 2}))
+ self.assertFalse(check([1, 2]))
+ self.assertFalse(check(42))
+ self.assertFalse(check(object()))
+
+ # CRASHES check(NULL)
+
+ def test_tuple_checkexact(self):
+ # Test PyTuple_CheckExact()
+ check = _testlimitedcapi.tuple_checkexact
+
+ self.assertTrue(check((1, 2)))
+ self.assertTrue(check(()))
+ self.assertFalse(check(TupleSubclass((1, 2))))
+ self.assertFalse(check({1: 2}))
+ self.assertFalse(check([1, 2]))
+ self.assertFalse(check(42))
+ self.assertFalse(check(object()))
+
+ # CRASHES check(NULL)
+
+ def test_tuple_new(self):
+ # Test PyTuple_New()
+ tuple_new = _testlimitedcapi.tuple_new
+ size = _testlimitedcapi.tuple_size
+ checknull = _testcapi._check_tuple_item_is_NULL
+
+ tup1 = tuple_new(0)
+ self.assertEqual(tup1, ())
+ self.assertEqual(size(tup1), 0)
+ self.assertIs(type(tup1), tuple)
+ tup2 = tuple_new(1)
+ self.assertIs(type(tup2), tuple)
+ self.assertEqual(size(tup2), 1)
+ self.assertIsNot(tup2, tup1)
+ self.assertTrue(checknull(tup2, 0))
+
+ self.assertRaises(SystemError, tuple_new, -1)
+ self.assertRaises(SystemError, tuple_new, PY_SSIZE_T_MIN)
+ self.assertRaises(MemoryError, tuple_new, PY_SSIZE_T_MAX)
+
+ def test_tuple_pack(self):
+ # Test PyTuple_Pack()
+ pack = _testlimitedcapi.tuple_pack
+
+ self.assertEqual(pack(0), ())
+ self.assertEqual(pack(1, [1]), ([1],))
+ self.assertEqual(pack(2, [1], [2]), ([1], [2]))
+
+ self.assertRaises(SystemError, pack, PY_SSIZE_T_MIN)
+ self.assertRaises(SystemError, pack, -1)
+ self.assertRaises(MemoryError, pack, PY_SSIZE_T_MAX)
+
+ # CRASHES pack(1, NULL)
+ # CRASHES pack(2, [1])
+
+ def test_tuple_size(self):
+ # Test PyTuple_Size()
+ size = _testlimitedcapi.tuple_size
+
+ self.assertEqual(size(()), 0)
+ self.assertEqual(size((1, 2)), 2)
+ self.assertEqual(size(TupleSubclass((1, 2))), 2)
+
+ self.assertRaises(SystemError, size, [])
+ self.assertRaises(SystemError, size, 42)
+ self.assertRaises(SystemError, size, object())
+
+ # CRASHES size(NULL)
+
+ def test_tuple_get_size(self):
+ # Test PyTuple_GET_SIZE()
+ size = _testcapi.tuple_get_size
+
+ self.assertEqual(size(()), 0)
+ self.assertEqual(size((1, 2)), 2)
+ self.assertEqual(size(TupleSubclass((1, 2))), 2)
+
+ def test_tuple_getitem(self):
+ # Test PyTuple_GetItem()
+ getitem = _testlimitedcapi.tuple_getitem
+
+ tup = ([1], [2], [3])
+ self.assertEqual(getitem(tup, 0), [1])
+ self.assertEqual(getitem(tup, 2), [3])
+
+ tup2 = TupleSubclass(([1], [2], [3]))
+ self.assertEqual(getitem(tup2, 0), [1])
+ self.assertEqual(getitem(tup2, 2), [3])
+
+ self.assertRaises(IndexError, getitem, tup, PY_SSIZE_T_MIN)
+ self.assertRaises(IndexError, getitem, tup, -1)
+ self.assertRaises(IndexError, getitem, tup, len(tup))
+ self.assertRaises(IndexError, getitem, tup, PY_SSIZE_T_MAX)
+ self.assertRaises(SystemError, getitem, [1, 2, 3], 1)
+ self.assertRaises(SystemError, getitem, 42, 1)
+
+ # CRASHES getitem(NULL, 0)
+
+ def test_tuple_get_item(self):
+ # Test PyTuple_GET_ITEM()
+ get_item = _testcapi.tuple_get_item
+
+ tup = ([1], [2], [3])
+ self.assertEqual(get_item(tup, 0), [1])
+ self.assertEqual(get_item(tup, 2), [3])
+
+ tup2 = TupleSubclass(([1], [2], [3]))
+ self.assertEqual(get_item(tup2, 0), [1])
+ self.assertEqual(get_item(tup2, 2), [3])
+
+ # CRASHES get_item(NULL, 0)
+
+ def test_tuple_getslice(self):
+ # Test PyTuple_GetSlice()
+ getslice = _testlimitedcapi.tuple_getslice
+
+ # empty
+ tup = ([1], [2], [3])
+ self.assertEqual(getslice(tup, PY_SSIZE_T_MIN, 0), ())
+ self.assertEqual(getslice(tup, -1, 0), ())
+ self.assertEqual(getslice(tup, 3, PY_SSIZE_T_MAX), ())
+ self.assertEqual(getslice(tup, 1, 1), ())
+ self.assertEqual(getslice(tup, 2, 1), ())
+ tup = TupleSubclass(([1], [2], [3]))
+ self.assertEqual(getslice(tup, PY_SSIZE_T_MIN, 0), ())
+ self.assertEqual(getslice(tup, -1, 0), ())
+ self.assertEqual(getslice(tup, 3, PY_SSIZE_T_MAX), ())
+ self.assertEqual(getslice(tup, 1, 1), ())
+ self.assertEqual(getslice(tup, 2, 1), ())
+
+ # slice
+ tup = ([1], [2], [3], [4])
+ self.assertEqual(getslice(tup, 1, 3), ([2], [3]))
+ tup = TupleSubclass(([1], [2], [3], [4]))
+ self.assertEqual(getslice(tup, 1, 3), ([2], [3]))
+
+ # whole
+ tup = ([1], [2], [3])
+ self.assertEqual(getslice(tup, 0, 3), tup)
+ self.assertEqual(getslice(tup, 0, 100), tup)
+ self.assertEqual(getslice(tup, -100, 100), tup)
+ tup = TupleSubclass(([1], [2], [3]))
+ self.assertEqual(getslice(tup, 0, 3), tup)
+ self.assertEqual(getslice(tup, 0, 100), tup)
+ self.assertEqual(getslice(tup, -100, 100), tup)
+
+ self.assertRaises(SystemError, getslice, [[1], [2], [3]], 0, 0)
+ self.assertRaises(SystemError, getslice, 42, 0, 0)
+
+ # CRASHES getslice(NULL, 0, 0)
+
+ def test_tuple_setitem(self):
+ # Test PyTuple_SetItem()
+ setitem = _testlimitedcapi.tuple_setitem
+ checknull = _testcapi._check_tuple_item_is_NULL
+
+ tup = ([1], [2])
+ self.assertEqual(setitem(tup, 0, []), ([], [2]))
+ self.assertEqual(setitem(tup, 1, []), ([1], []))
+
+ tup2 = setitem(tup, 1, NULL)
+ self.assertTrue(checknull(tup2, 1))
+
+ tup2 = TupleSubclass(([1], [2]))
+ self.assertRaises(SystemError, setitem, tup2, 0, [])
+
+ self.assertRaises(IndexError, setitem, tup, PY_SSIZE_T_MIN, [])
+ self.assertRaises(IndexError, setitem, tup, -1, [])
+ self.assertRaises(IndexError, setitem, tup, len(tup), [])
+ self.assertRaises(IndexError, setitem, tup, PY_SSIZE_T_MAX, [])
+ self.assertRaises(SystemError, setitem, [1], 0, [])
+ self.assertRaises(SystemError, setitem, 42, 0, [])
+
+ # CRASHES setitem(NULL, 0, [])
+
+ def test_tuple_set_item(self):
+ # Test PyTuple_SET_ITEM()
+ set_item = _testcapi.tuple_set_item
+ checknull = _testcapi._check_tuple_item_is_NULL
+
+ tup = ([1], [2])
+ self.assertEqual(set_item(tup, 0, []), ([], [2]))
+ self.assertEqual(set_item(tup, 1, []), ([1], []))
+
+ tup2 = set_item(tup, 1, NULL)
+ self.assertTrue(checknull(tup2, 1))
+
+ tup2 = TupleSubclass(([1], [2]))
+ self.assertIs(set_item(tup2, 0, []), tup2)
+ self.assertEqual(tup2, ([], [2]))
+
+ # CRASHES set_item(tup, -1, [])
+ # CRASHES set_item(tup, len(tup), [])
+ # CRASHES set_item([1], 0, [])
+ # CRASHES set_item(NULL, 0, [])
+
+ def test__tuple_resize(self):
+ # Test _PyTuple_Resize()
+ resize = _testcapi._tuple_resize
+ checknull = _testcapi._check_tuple_item_is_NULL
+
+ a = ()
+ b = resize(a, 0, False)
+ self.assertEqual(len(a), 0)
+ self.assertEqual(len(b), 0)
+ b = resize(a, 2, False)
+ self.assertEqual(len(a), 0)
+ self.assertEqual(len(b), 2)
+ self.assertTrue(checknull(b, 0))
+ self.assertTrue(checknull(b, 1))
+
+ a = ([1], [2], [3])
+ b = resize(a, 3)
+ self.assertEqual(b, a)
+ b = resize(a, 2)
+ self.assertEqual(b, a[:2])
+ b = resize(a, 5)
+ self.assertEqual(len(b), 5)
+ self.assertEqual(b[:3], a)
+ self.assertTrue(checknull(b, 3))
+ self.assertTrue(checknull(b, 4))
+
+ a = ()
+ self.assertRaises(MemoryError, resize, a, PY_SSIZE_T_MAX)
+ self.assertRaises(SystemError, resize, a, -1)
+ self.assertRaises(SystemError, resize, a, PY_SSIZE_T_MIN)
+ # refcount > 1
+ a = (1, 2, 3)
+ self.assertRaises(SystemError, resize, a, 3, False)
+ self.assertRaises(SystemError, resize, a, 0, False)
+ # non-tuple
+ self.assertRaises(SystemError, resize, [1, 2, 3], 0, False)
+ self.assertRaises(SystemError, resize, NULL, 0, False)
+
+if __name__ == "__main__":
+ unittest.main()
diff --git a/Modules/Setup.stdlib.in b/Modules/Setup.stdlib.in
index 78b9796..06b30fe 100644
--- a/Modules/Setup.stdlib.in
+++ b/Modules/Setup.stdlib.in
@@ -164,7 +164,7 @@
@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/run.c _testcapi/file.c _testcapi/codec.c _testcapi/immortal.c _testcapi/gc.c _testcapi/hash.c _testcapi/time.c _testcapi/bytes.c _testcapi/object.c _testcapi/monitoring.c
-@MODULE__TESTLIMITEDCAPI_TRUE@_testlimitedcapi _testlimitedcapi.c _testlimitedcapi/abstract.c _testlimitedcapi/bytearray.c _testlimitedcapi/bytes.c _testlimitedcapi/complex.c _testlimitedcapi/dict.c _testlimitedcapi/float.c _testlimitedcapi/heaptype_relative.c _testlimitedcapi/list.c _testlimitedcapi/long.c _testlimitedcapi/object.c _testlimitedcapi/pyos.c _testlimitedcapi/set.c _testlimitedcapi/sys.c _testlimitedcapi/unicode.c _testlimitedcapi/vectorcall_limited.c
+@MODULE__TESTLIMITEDCAPI_TRUE@_testlimitedcapi _testlimitedcapi.c _testlimitedcapi/abstract.c _testlimitedcapi/bytearray.c _testlimitedcapi/bytes.c _testlimitedcapi/complex.c _testlimitedcapi/dict.c _testlimitedcapi/float.c _testlimitedcapi/heaptype_relative.c _testlimitedcapi/list.c _testlimitedcapi/long.c _testlimitedcapi/object.c _testlimitedcapi/pyos.c _testlimitedcapi/set.c _testlimitedcapi/sys.c _testlimitedcapi/tuple.c _testlimitedcapi/unicode.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/tuple.c b/Modules/_testcapi/tuple.c
index 95dde8c..d9c02ba 100644
--- a/Modules/_testcapi/tuple.c
+++ b/Modules/_testcapi/tuple.c
@@ -2,14 +2,121 @@
#include "util.h"
+static PyObject *
+tuple_get_size(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+ NULLABLE(obj);
+ RETURN_SIZE(PyTuple_GET_SIZE(obj));
+}
+
+static PyObject *
+tuple_get_item(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *obj;
+ Py_ssize_t i;
+ if (!PyArg_ParseTuple(args, "On", &obj, &i)) {
+ return NULL;
+ }
+ NULLABLE(obj);
+ return Py_XNewRef(PyTuple_GET_ITEM(obj, i));
+}
+
+static PyObject *
+tuple_copy(PyObject *tuple)
+{
+ Py_ssize_t size = PyTuple_GET_SIZE(tuple);
+ PyObject *newtuple = PyTuple_New(size);
+ if (!newtuple) {
+ return NULL;
+ }
+ for (Py_ssize_t n = 0; n < size; n++) {
+ PyTuple_SET_ITEM(newtuple, n, Py_XNewRef(PyTuple_GET_ITEM(tuple, n)));
+ }
+ return newtuple;
+}
+
+static PyObject *
+tuple_set_item(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *obj, *value, *newtuple;
+ Py_ssize_t i;
+ if (!PyArg_ParseTuple(args, "OnO", &obj, &i, &value)) {
+ return NULL;
+ }
+ NULLABLE(value);
+ if (PyTuple_CheckExact(obj)) {
+ newtuple = tuple_copy(obj);
+ if (!newtuple) {
+ return NULL;
+ }
+
+ PyObject *val = PyTuple_GET_ITEM(newtuple, i);
+ PyTuple_SET_ITEM(newtuple, i, Py_XNewRef(value));
+ Py_DECREF(val);
+ return newtuple;
+ }
+ else {
+ NULLABLE(obj);
+
+ PyObject *val = PyTuple_GET_ITEM(obj, i);
+ PyTuple_SET_ITEM(obj, i, Py_XNewRef(value));
+ Py_DECREF(val);
+ return Py_XNewRef(obj);
+ }
+}
+
+static PyObject *
+_tuple_resize(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *tup;
+ Py_ssize_t newsize;
+ int new = 1;
+ if (!PyArg_ParseTuple(args, "On|p", &tup, &newsize, &new)) {
+ return NULL;
+ }
+ if (new) {
+ tup = tuple_copy(tup);
+ if (!tup) {
+ return NULL;
+ }
+ }
+ else {
+ NULLABLE(tup);
+ Py_XINCREF(tup);
+ }
+ int r = _PyTuple_Resize(&tup, newsize);
+ if (r == -1) {
+ assert(tup == NULL);
+ return NULL;
+ }
+ return tup;
+}
+
+static PyObject *
+_check_tuple_item_is_NULL(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *obj;
+ Py_ssize_t i;
+ if (!PyArg_ParseTuple(args, "On", &obj, &i)) {
+ return NULL;
+ }
+ return PyLong_FromLong(PyTuple_GET_ITEM(obj, i) == NULL);
+}
+
+
static PyMethodDef test_methods[] = {
+ {"tuple_get_size", tuple_get_size, METH_O},
+ {"tuple_get_item", tuple_get_item, METH_VARARGS},
+ {"tuple_set_item", tuple_set_item, METH_VARARGS},
+ {"_tuple_resize", _tuple_resize, METH_VARARGS},
+ {"_check_tuple_item_is_NULL", _check_tuple_item_is_NULL, METH_VARARGS},
{NULL},
};
int
_PyTestCapi_Init_Tuple(PyObject *m)
{
- if (PyModule_AddFunctions(m, test_methods) < 0){
+ if (PyModule_AddFunctions(m, test_methods) < 0) {
return -1;
}
diff --git a/Modules/_testlimitedcapi.c b/Modules/_testlimitedcapi.c
index fb5cdb6..ec19da2 100644
--- a/Modules/_testlimitedcapi.c
+++ b/Modules/_testlimitedcapi.c
@@ -68,6 +68,9 @@ PyInit__testlimitedcapi(void)
if (_PyTestLimitedCAPI_Init_Sys(mod) < 0) {
return NULL;
}
+ if (_PyTestLimitedCAPI_Init_Tuple(mod) < 0) {
+ return NULL;
+ }
if (_PyTestLimitedCAPI_Init_Unicode(mod) < 0) {
return NULL;
}
diff --git a/Modules/_testlimitedcapi/parts.h b/Modules/_testlimitedcapi/parts.h
index d5e590a..140396d 100644
--- a/Modules/_testlimitedcapi/parts.h
+++ b/Modules/_testlimitedcapi/parts.h
@@ -35,6 +35,7 @@ int _PyTestLimitedCAPI_Init_Long(PyObject *module);
int _PyTestLimitedCAPI_Init_PyOS(PyObject *module);
int _PyTestLimitedCAPI_Init_Set(PyObject *module);
int _PyTestLimitedCAPI_Init_Sys(PyObject *module);
+int _PyTestLimitedCAPI_Init_Tuple(PyObject *module);
int _PyTestLimitedCAPI_Init_Unicode(PyObject *module);
int _PyTestLimitedCAPI_Init_VectorcallLimited(PyObject *module);
diff --git a/Modules/_testlimitedcapi/tuple.c b/Modules/_testlimitedcapi/tuple.c
new file mode 100644
index 0000000..231ec12
--- /dev/null
+++ b/Modules/_testlimitedcapi/tuple.c
@@ -0,0 +1,136 @@
+#include "parts.h"
+#include "util.h"
+
+
+static PyObject *
+tuple_check(PyObject* Py_UNUSED(module), PyObject *obj)
+{
+ NULLABLE(obj);
+ return PyLong_FromLong(PyTuple_Check(obj));
+}
+
+static PyObject *
+tuple_checkexact(PyObject* Py_UNUSED(module), PyObject *obj)
+{
+ NULLABLE(obj);
+ return PyLong_FromLong(PyTuple_CheckExact(obj));
+}
+
+static PyObject *
+tuple_new(PyObject* Py_UNUSED(module), PyObject *len)
+{
+ return PyTuple_New(PyLong_AsSsize_t(len));
+}
+
+static PyObject *
+tuple_pack(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *arg1 = NULL, *arg2 = NULL;
+ Py_ssize_t size;
+
+ if (!PyArg_ParseTuple(args, "n|OO", &size, &arg1, &arg2)) {
+ return NULL;
+ }
+ if (arg1) {
+ NULLABLE(arg1);
+ if (arg2) {
+ NULLABLE(arg2);
+ return PyTuple_Pack(size, arg1, arg2);
+ }
+ return PyTuple_Pack(size, arg1);
+ }
+ return PyTuple_Pack(size);
+}
+
+static PyObject *
+tuple_size(PyObject *Py_UNUSED(module), PyObject *obj)
+{
+ NULLABLE(obj);
+ RETURN_SIZE(PyTuple_Size(obj));
+}
+
+static PyObject *
+tuple_getitem(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *obj;
+ Py_ssize_t i;
+ if (!PyArg_ParseTuple(args, "On", &obj, &i)) {
+ return NULL;
+ }
+ NULLABLE(obj);
+ return Py_XNewRef(PyTuple_GetItem(obj, i));
+}
+
+static PyObject *
+tuple_getslice(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *obj;
+ Py_ssize_t ilow, ihigh;
+ if (!PyArg_ParseTuple(args, "Onn", &obj, &ilow, &ihigh)) {
+ return NULL;
+ }
+ NULLABLE(obj);
+ return PyTuple_GetSlice(obj, ilow, ihigh);
+}
+
+static PyObject *
+tuple_setitem(PyObject *Py_UNUSED(module), PyObject *args)
+{
+ PyObject *obj, *value, *newtuple = NULL;
+ Py_ssize_t i;
+ if (!PyArg_ParseTuple(args, "OnO", &obj, &i, &value)) {
+ return NULL;
+ }
+ NULLABLE(value);
+ if (PyTuple_CheckExact(obj)) {
+ Py_ssize_t size = PyTuple_Size(obj);
+ newtuple = PyTuple_New(size);
+ if (!newtuple) {
+ return NULL;
+ }
+ for (Py_ssize_t n = 0; n < size; n++) {
+ if (PyTuple_SetItem(newtuple, n,
+ Py_XNewRef(PyTuple_GetItem(obj, n))) == -1) {
+ Py_DECREF(newtuple);
+ return NULL;
+ }
+ }
+
+ if (PyTuple_SetItem(newtuple, i, Py_XNewRef(value)) == -1) {
+ Py_DECREF(newtuple);
+ return NULL;
+ }
+ return newtuple;
+ }
+ else {
+ NULLABLE(obj);
+
+ if (PyTuple_SetItem(obj, i, Py_XNewRef(value)) == -1) {
+ return NULL;
+ }
+ return Py_XNewRef(obj);
+ }
+}
+
+
+static PyMethodDef test_methods[] = {
+ {"tuple_check", tuple_check, METH_O},
+ {"tuple_checkexact", tuple_checkexact, METH_O},
+ {"tuple_new", tuple_new, METH_O},
+ {"tuple_pack", tuple_pack, METH_VARARGS},
+ {"tuple_size", tuple_size, METH_O},
+ {"tuple_getitem", tuple_getitem, METH_VARARGS},
+ {"tuple_getslice", tuple_getslice, METH_VARARGS},
+ {"tuple_setitem", tuple_setitem, METH_VARARGS},
+ {NULL},
+};
+
+int
+_PyTestLimitedCAPI_Init_Tuple(PyObject *m)
+{
+ if (PyModule_AddFunctions(m, test_methods) < 0) {
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/PCbuild/_testlimitedcapi.vcxproj b/PCbuild/_testlimitedcapi.vcxproj
index 252039d..7e5809f 100644
--- a/PCbuild/_testlimitedcapi.vcxproj
+++ b/PCbuild/_testlimitedcapi.vcxproj
@@ -107,6 +107,7 @@
<ClCompile Include="..\Modules\_testlimitedcapi\pyos.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\set.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\sys.c" />
+ <ClCompile Include="..\Modules\_testlimitedcapi\tuple.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\unicode.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\vectorcall_limited.c" />
</ItemGroup>
diff --git a/PCbuild/_testlimitedcapi.vcxproj.filters b/PCbuild/_testlimitedcapi.vcxproj.filters
index 7efbb0a..47f0590 100644
--- a/PCbuild/_testlimitedcapi.vcxproj.filters
+++ b/PCbuild/_testlimitedcapi.vcxproj.filters
@@ -23,6 +23,7 @@
<ClCompile Include="..\Modules\_testlimitedcapi\set.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\sys.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\testcapi_long.h" />
+ <ClCompile Include="..\Modules\_testlimitedcapi\tuple.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\unicode.c" />
<ClCompile Include="..\Modules\_testlimitedcapi\vectorcall_limited.c" />
<ClCompile Include="..\Modules\_testlimitedcapi.c" />
