Skip to content

GH-145247: Use _PyTuple_FromPair in Modules(1)#148000

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
vstinner merged 2 commits into from
Apr 2, 2026
Merged

GH-145247: Use _PyTuple_FromPair in Modules(1) #148000

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
51cafa4
Use _PyTuple_FromPair in Modules(1)
sergey-miryanov Apr 1, 2026
4c5aaee
Address review
sergey-miryanov Apr 2, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 4 additions & 9 deletions Modules/_asynciomodule.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -13,6 +13,7 @@
#include "pycore_pylifecycle.h" // _Py_IsInterpreterFinalizing()
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_runtime_init.h" // _Py_ID()
#include "pycore_tuple.h" // _PyTuple_FromPair

#include <stddef.h> // offsetof()

Expand DownExpand Up@@ -829,14 +830,10 @@ future_add_done_callback(asyncio_state *state, FutureObj *fut, PyObject *arg,
fut->fut_context0 = Py_NewRef(ctx);
}
else {
PyObject *tup = PyTuple_New(2);
PyObject *tup = _PyTuple_FromPair(arg, (PyObject *)ctx);
if (tup == NULL) {
return NULL;
}
Py_INCREF(arg);
PyTuple_SET_ITEM(tup, 0, arg);
Py_INCREF(ctx);
PyTuple_SET_ITEM(tup, 1, (PyObject *)ctx);

if (fut->fut_callbacks != NULL) {
int err = PyList_Append(fut->fut_callbacks, tup);
Expand DownExpand Up@@ -1503,14 +1500,12 @@ _asyncio_Future__callbacks_get_impl(FutureObj *self)

Py_ssize_t i = 0;
if (self->fut_callback0 != NULL) {
PyObject *tup0 = PyTuple_New(2);
assert(self->fut_context0 != NULL);
PyObject *tup0 = _PyTuple_FromPair(self->fut_callback0, self->fut_context0);
if (tup0 == NULL) {
Py_DECREF(callbacks);
return NULL;
}
PyTuple_SET_ITEM(tup0, 0, Py_NewRef(self->fut_callback0));
assert(self->fut_context0 != NULL);
PyTuple_SET_ITEM(tup0, 1, Py_NewRef(self->fut_context0));
PyList_SET_ITEM(callbacks, i, tup0);
i++;
}
Expand Down
33 changes: 12 additions & 21 deletions Modules/_decimal/_decimal.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -32,6 +32,7 @@
#include <Python.h>
#include "pycore_object.h" // _PyObject_VisitType()
#include "pycore_pystate.h" // _PyThreadState_GET()
#include "pycore_tuple.h" // _PyTuple_FromPair
#include "pycore_typeobject.h"

#include <mpdecimal.h>
Expand DownExpand Up@@ -3975,7 +3976,6 @@ _decimal_Decimal_as_integer_ratio_impl(PyObject *self, PyTypeObject *cls)
PyObject *numerator = NULL;
PyObject *denominator = NULL;
PyObject *exponent = NULL;
PyObject *result = NULL;
PyObject *tmp;
mpd_ssize_t exp;
PyObject *context;
Expand DownExpand Up@@ -4035,6 +4035,7 @@ _decimal_Decimal_as_integer_ratio_impl(PyObject *self, PyTypeObject *cls)

if (exp >= 0) {
Py_SETREF(numerator, state->_py_long_multiply(numerator, exponent));
Py_CLEAR(exponent);
if (numerator == NULL) {
goto error;
}
Expand All@@ -4061,15 +4062,13 @@ _decimal_Decimal_as_integer_ratio_impl(PyObject *self, PyTypeObject *cls)
goto error;
}
}

result = PyTuple_Pack(2, numerator, denominator);
Comment thread
sergey-miryanov marked this conversation as resolved.

return _PyTuple_FromPairSteal(numerator, denominator);

error:
Py_XDECREF(exponent);
Py_XDECREF(denominator);
Py_XDECREF(numerator);
return result;
return NULL;
}

/*[clinic input]
Expand DownExpand Up@@ -4613,7 +4612,6 @@ nm_mpd_qdivmod(PyObject *v, PyObject *w)
PyObject *q, *r;
PyObject *context;
uint32_t status = 0;
PyObject *ret;

decimal_state *state = find_state_left_or_right(v, w);
CURRENT_CONTEXT(state, context);
Expand DownExpand Up@@ -4642,10 +4640,7 @@ nm_mpd_qdivmod(PyObject *v, PyObject *w)
return NULL;
}

ret = PyTuple_Pack(2, q, r);
Py_DECREF(r);
Py_DECREF(q);
return ret;
return _PyTuple_FromPairSteal(q, r);
}

static PyObject *
Expand DownExpand Up@@ -6674,7 +6669,6 @@ _decimal_Context_divmod_impl(PyObject *context, PyObject *x, PyObject *y)
PyObject *a, *b;
PyObject *q, *r;
uint32_t status = 0;
PyObject *ret;

CONVERT_BINOP_RAISE(&a, &b, x, y, context);
decimal_state *state = get_module_state_from_ctx(context);
Expand All@@ -6701,10 +6695,7 @@ _decimal_Context_divmod_impl(PyObject *context, PyObject *x, PyObject *y)
return NULL;
}

ret = PyTuple_Pack(2, q, r);
Py_DECREF(r);
Py_DECREF(q);
return ret;
return _PyTuple_FromPairSteal(q, r);
}

/* Binary or ternary arithmetic functions */
Expand DownExpand Up@@ -7810,15 +7801,15 @@ _decimal_exec(PyObject *m)

switch (cm->flag) {
case MPD_Float_operation:
base = PyTuple_Pack(2, state->DecimalException, PyExc_TypeError);
base = _PyTuple_FromPair(state->DecimalException, PyExc_TypeError);
break;
case MPD_Division_by_zero:
base = PyTuple_Pack(2, state->DecimalException,
PyExc_ZeroDivisionError);
base = _PyTuple_FromPair(state->DecimalException,
PyExc_ZeroDivisionError);
break;
case MPD_Overflow:
base = PyTuple_Pack(2, state->signal_map[INEXACT].ex,
state->signal_map[ROUNDED].ex);
base = _PyTuple_FromPair(state->signal_map[INEXACT].ex,
state->signal_map[ROUNDED].ex);
break;
case MPD_Underflow:
base = PyTuple_Pack(3, state->signal_map[INEXACT].ex,
Expand DownExpand Up@@ -7857,7 +7848,7 @@ _decimal_exec(PyObject *m)
for (cm = state->cond_map+1; cm->name != NULL; cm++) {
PyObject *base;
if (cm->flag == MPD_Division_undefined) {
base = PyTuple_Pack(2, state->signal_map[0].ex, PyExc_ZeroDivisionError);
base = _PyTuple_FromPair(state->signal_map[0].ex, PyExc_ZeroDivisionError);
}
else {
base = PyTuple_Pack(1, state->signal_map[0].ex);
Expand Down
9 changes: 5 additions & 4 deletions Modules/_elementtree.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -18,6 +18,7 @@
#include "Python.h"
#include "pycore_dict.h" // _PyDict_CopyAsDict()
#include "pycore_pyhash.h" // _Py_HashSecret
#include "pycore_tuple.h" // _PyTuple_FromPair
#include "pycore_weakref.h" // FT_CLEAR_WEAKREFS()

#include <stddef.h> // offsetof()
Expand DownExpand Up@@ -2594,7 +2595,7 @@ _elementtree__set_factories_impl(PyObject *module, PyObject *comment_factory,
return NULL;
}

old = PyTuple_Pack(2,
old = _PyTuple_FromPair(
st->comment_factory ? st->comment_factory : Py_None,
st->pi_factory ? st->pi_factory : Py_None);

Expand DownExpand Up@@ -2712,7 +2713,7 @@ treebuilder_append_event(TreeBuilderObject *self, PyObject *action,
{
if (action != NULL) {
PyObject *res;
PyObject *event = PyTuple_Pack(2, action, node);
PyObject *event = _PyTuple_FromPair(action, node);
if (event == NULL)
return -1;
res = PyObject_CallOneArg(self->events_append, event);
Expand DownExpand Up@@ -2933,7 +2934,7 @@ treebuilder_handle_pi(TreeBuilderObject* self, PyObject* target, PyObject* text)
Py_XSETREF(self->last_for_tail, Py_NewRef(pi));
}
} else {
pi = PyTuple_Pack(2, target, text);
pi = _PyTuple_FromPair(target, text);
if (!pi) {
return NULL;
}
Expand All@@ -2957,7 +2958,7 @@ treebuilder_handle_start_ns(TreeBuilderObject* self, PyObject* prefix, PyObject*
PyObject* parcel;

if (self->events_append && self->start_ns_event_obj) {
parcel = PyTuple_Pack(2, prefix, uri);
parcel = _PyTuple_FromPair(prefix, uri);
if (!parcel) {
return NULL;
}
Expand Down
17 changes: 4 additions & 13 deletions Modules/_json.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -14,6 +14,7 @@
#include "pycore_global_strings.h" // _Py_ID()
#include "pycore_pyerrors.h" // _PyErr_FormatNote
#include "pycore_runtime.h" // _PyRuntime
#include "pycore_tuple.h" // _PyTuple_FromPair
#include "pycore_unicodeobject.h" // _PyUnicode_CheckConsistency()

#include <stdbool.h> // bool
Expand DownExpand Up@@ -446,7 +447,6 @@ raise_stop_iteration(Py_ssize_t idx)
static PyObject *
_build_rval_index_tuple(PyObject *rval, Py_ssize_t idx) {
/* return (rval, idx) tuple, stealing reference to rval */
PyObject *tpl;
PyObject *pyidx;
/*
steal a reference to rval, returns (rval, idx)
Expand All@@ -459,15 +459,7 @@ _build_rval_index_tuple(PyObject *rval, Py_ssize_t idx) {
Py_DECREF(rval);
return NULL;
}
tpl = PyTuple_New(2);
if (tpl == NULL) {
Py_DECREF(pyidx);
Py_DECREF(rval);
return NULL;
}
PyTuple_SET_ITEM(tpl, 0, rval);
PyTuple_SET_ITEM(tpl, 1, pyidx);
return tpl;
return _PyTuple_FromPairSteal(rval, pyidx);
}

static PyObject *
Expand DownExpand Up@@ -810,11 +802,10 @@ _parse_object_unicode(PyScannerObject *s, PyObject *memo, PyObject *pystr, Py_ss
goto bail;

if (has_pairs_hook) {
PyObject *item = PyTuple_Pack(2, key, val);
PyObject *item = _PyTuple_FromPairSteal(key, val);
key = val = NULL;
if (item == NULL)
goto bail;
Py_CLEAR(key);
Py_CLEAR(val);
if (PyList_Append(rval, item) == -1) {
Py_DECREF(item);
goto bail;
Expand Down
2 changes: 1 addition & 1 deletion Modules/_operator.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -1194,7 +1194,7 @@ itemgetter_reduce(PyObject *op, PyObject *Py_UNUSED(dummy))
itemgetterobject *ig = itemgetterobject_CAST(op);
if (ig->nitems == 1)
return Py_BuildValue("O(O)", Py_TYPE(ig), ig->item);
return PyTuple_Pack(2, Py_TYPE(ig), ig->item);
return _PyTuple_FromPair((PyObject *)Py_TYPE(ig), ig->item);
}

PyDoc_STRVAR(reduce_doc, "Return state information for pickling");
Expand Down
32 changes: 9 additions & 23 deletions Modules/_pickle.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -21,6 +21,7 @@
#include "pycore_setobject.h" // _PySet_NextEntry()
#include "pycore_symtable.h" // _Py_Mangle()
#include "pycore_sysmodule.h" // _PySys_GetSizeOf()
#include "pycore_tuple.h" // _PyTuple_FromPair
#include "pycore_unicodeobject.h" // _PyUnicode_EqualToASCIIString()

#include <stdlib.h> // strtol()
Expand DownExpand Up@@ -3767,7 +3768,7 @@ fix_imports(PickleState *st, PyObject **module_name, PyObject **global_name)
PyObject *key;
PyObject *item;

key = PyTuple_Pack(2, *module_name, *global_name);
key = _PyTuple_FromPair(*module_name, *global_name);
if (key == NULL)
return -1;
item = PyDict_GetItemWithError(st->name_mapping_3to2, key);
Expand DownExpand Up@@ -3873,7 +3874,7 @@ save_global(PickleState *st, PicklerObject *self, PyObject *obj,
char pdata[5];
Py_ssize_t n;

extension_key = PyTuple_Pack(2, module_name, global_name);
extension_key = _PyTuple_FromPair(module_name, global_name);
if (extension_key == NULL) {
goto error;
}
Expand DownExpand Up@@ -5133,26 +5134,19 @@ static PyObject *
_pickle_PicklerMemoProxy___reduce___impl(PicklerMemoProxyObject *self)
/*[clinic end generated code: output=bebba1168863ab1d input=2f7c540e24b7aae4]*/
{
PyObject *reduce_value, *dict_args;
PyObject *dict_args;
PyObject *contents = _pickle_PicklerMemoProxy_copy_impl(self);
if (contents == NULL)
return NULL;

reduce_value = PyTuple_New(2);
if (reduce_value == NULL) {
Py_DECREF(contents);
return NULL;
}
dict_args = PyTuple_New(1);
Comment thread
sergey-miryanov marked this conversation as resolved.
if (dict_args == NULL) {
Py_DECREF(contents);
Py_DECREF(reduce_value);
return NULL;
}
PyTuple_SET_ITEM(dict_args, 0, contents);
PyTuple_SET_ITEM(reduce_value, 0, Py_NewRef(&PyDict_Type));
PyTuple_SET_ITEM(reduce_value, 1, dict_args);
return reduce_value;

return _PyTuple_FromPairSteal(Py_NewRef(&PyDict_Type), dict_args);
}

static PyMethodDef picklerproxy_methods[] = {
Expand DownExpand Up@@ -7310,7 +7304,7 @@ _pickle_Unpickler_find_class_impl(UnpicklerObject *self, PyTypeObject *cls,

/* Check if the global (i.e., a function or a class) was renamed
or moved to another module. */
key = PyTuple_Pack(2, module_name, global_name);
key = _PyTuple_FromPair(module_name, global_name);
if (key == NULL)
return NULL;
item = PyDict_GetItemWithError(st->name_mapping_2to3, key);
Expand DownExpand Up@@ -7640,27 +7634,19 @@ static PyObject *
_pickle_UnpicklerMemoProxy___reduce___impl(UnpicklerMemoProxyObject *self)
/*[clinic end generated code: output=6da34ac048d94cca input=6920862413407199]*/
{
PyObject *reduce_value;
PyObject *constructor_args;
PyObject *contents = _pickle_UnpicklerMemoProxy_copy_impl(self);
if (contents == NULL)
return NULL;

reduce_value = PyTuple_New(2);
if (reduce_value == NULL) {
Py_DECREF(contents);
return NULL;
}
constructor_args = PyTuple_New(1);
Comment thread
sergey-miryanov marked this conversation as resolved.
if (constructor_args == NULL) {
Py_DECREF(contents);
Py_DECREF(reduce_value);
return NULL;
}
PyTuple_SET_ITEM(constructor_args, 0, contents);
PyTuple_SET_ITEM(reduce_value, 0, Py_NewRef(&PyDict_Type));
PyTuple_SET_ITEM(reduce_value, 1, constructor_args);
return reduce_value;

return _PyTuple_FromPairSteal(Py_NewRef(&PyDict_Type), constructor_args);
}

static PyMethodDef unpicklerproxy_methods[] = {
Expand Down
30 changes: 10 additions & 20 deletions Modules/_sre/sre.c
View file
Open in desktop
Original file line numberDiff line numberDiff line change
Expand Up@@ -43,6 +43,7 @@ static const char copyright[] =
#include "pycore_dict.h" // _PyDict_Next()
#include "pycore_long.h" // _PyLong_GetZero()
#include "pycore_moduleobject.h" // _PyModule_GetState()
#include "pycore_tuple.h" // _PyTuple_FromPairSteal
#include "pycore_unicodeobject.h" // _PyUnicode_Copy
#include "pycore_weakref.h" // FT_CLEAR_WEAKREFS()

Expand DownExpand Up@@ -2572,28 +2573,17 @@ _sre_SRE_Match_end_impl(MatchObject *self, PyObject *group)
LOCAL(PyObject*)
_pair(Py_ssize_t i1, Py_ssize_t i2)
{
PyObject* pair;
PyObject* item;

pair = PyTuple_New(2);
if (!pair)
PyObject* item1 = PyLong_FromSsize_t(i1);
if (!item1) {
return NULL;
}
PyObject* item2 = PyLong_FromSsize_t(i2);
if(!item2) {
Py_DECREF(item1);
return NULL;
}

item = PyLong_FromSsize_t(i1);
if (!item)
goto error;
PyTuple_SET_ITEM(pair, 0, item);

item = PyLong_FromSsize_t(i2);
if (!item)
goto error;
PyTuple_SET_ITEM(pair, 1, item);

return pair;

error:
Py_DECREF(pair);
return NULL;
return _PyTuple_FromPairSteal(item1, item2);
}

/*[clinic input]
Expand Down
Loading
Loading