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Name	Size	Permission	Date
clinic	[ DIR ]	drwxr-xr-x	2024-03-19 22:46
stringlib	[ DIR ]	drwxr-xr-x	2024-03-19 22:46
README	41 B	-rw-r--r--	2024-03-19 22:46
abstract.c	78.14 KB	-rw-r--r--	2024-03-19 22:46
abstract.gcda	24.84 KB	-rw-r--r--	2025-06-04 09:21
abstract.o	664.97 KB	-rw-r--r--	2025-06-04 09:22
accu.c	2.41 KB	-rw-r--r--	2024-03-19 22:46
accu.gcda	4.12 KB	-rw-r--r--	2025-06-04 09:21
accu.o	49.66 KB	-rw-r--r--	2025-06-04 09:22
boolobject.c	7.12 KB	-rw-r--r--	2024-03-19 22:46
boolobject.gcda	4.2 KB	-rw-r--r--	2025-06-04 09:21
boolobject.o	51.54 KB	-rw-r--r--	2025-06-04 09:22
bytearrayobject.c	72.53 KB	-rw-r--r--	2024-03-19 22:46
bytearrayobject.gcda	29.45 KB	-rw-r--r--	2025-06-04 09:21
bytearrayobject.o	837.34 KB	-rw-r--r--	2025-06-04 09:22
bytes_methods.c	21.14 KB	-rw-r--r--	2024-03-19 22:46
bytes_methods.gcda	8 KB	-rw-r--r--	2025-06-04 09:21
bytes_methods.o	269.63 KB	-rw-r--r--	2025-06-04 09:22
bytesobject.c	99.98 KB	-rw-r--r--	2024-03-19 22:46
bytesobject.gcda	32.01 KB	-rw-r--r--	2025-06-04 09:21
bytesobject.o	956.34 KB	-rw-r--r--	2025-06-04 09:22
call.c	27.29 KB	-rw-r--r--	2024-03-19 22:46
call.gcda	8.28 KB	-rw-r--r--	2025-06-04 09:21
call.o	339.1 KB	-rw-r--r--	2025-06-04 09:22
capsule.c	7.27 KB	-rw-r--r--	2024-03-19 22:46
capsule.gcda	5.2 KB	-rw-r--r--	2025-06-04 09:21
capsule.o	73.71 KB	-rw-r--r--	2025-06-04 09:22
cellobject.c	5.65 KB	-rw-r--r--	2024-03-19 22:46
cellobject.gcda	4.57 KB	-rw-r--r--	2025-06-04 09:21
cellobject.o	91.55 KB	-rw-r--r--	2025-06-04 09:22
classobject.c	17.99 KB	-rw-r--r--	2024-03-19 22:46
classobject.gcda	7.01 KB	-rw-r--r--	2025-06-04 09:21
classobject.o	149.12 KB	-rw-r--r--	2025-06-04 09:22
codeobject.c	42.38 KB	-rw-r--r--	2024-03-19 22:46
codeobject.gcda	10.02 KB	-rw-r--r--	2025-06-04 09:21
codeobject.o	320.38 KB	-rw-r--r--	2025-06-04 09:22
complexobject.c	30.92 KB	-rw-r--r--	2024-03-19 22:46
complexobject.gcda	8.7 KB	-rw-r--r--	2025-06-04 09:21
complexobject.o	221.24 KB	-rw-r--r--	2025-06-04 09:22
descrobject.c	62.59 KB	-rw-r--r--	2024-03-19 22:46
descrobject.gcda	13.57 KB	-rw-r--r--	2025-06-04 09:21
descrobject.o	441.51 KB	-rw-r--r--	2025-06-04 09:22
dict-common.h	2.22 KB	-rw-r--r--	2024-03-19 22:46
dictnotes.txt	5.96 KB	-rw-r--r--	2024-03-19 22:46
dictobject.c	148.87 KB	-rw-r--r--	2024-03-19 22:46
dictobject.gcda	28.55 KB	-rw-r--r--	2025-06-04 09:21
dictobject.o	1022.94 KB	-rw-r--r--	2025-06-04 09:22
enumobject.c	14.61 KB	-rw-r--r--	2024-03-19 22:46
enumobject.gcda	6.13 KB	-rw-r--r--	2025-06-04 09:21
enumobject.o	140.49 KB	-rw-r--r--	2025-06-04 09:22
exceptions.c	85.65 KB	-rw-r--r--	2024-03-19 22:46
exceptions.gcda	20.98 KB	-rw-r--r--	2025-06-04 09:21
exceptions.o	585.38 KB	-rw-r--r--	2025-06-04 09:22
fileobject.c	16.56 KB	-rw-r--r--	2024-03-19 22:46
fileobject.gcda	6.29 KB	-rw-r--r--	2025-06-04 09:21
fileobject.o	110.28 KB	-rw-r--r--	2025-06-04 09:22
floatobject.c	71.56 KB	-rw-r--r--	2024-03-19 22:46
floatobject.gcda	13 KB	-rw-r--r--	2025-06-04 09:21
floatobject.o	452.61 KB	-rw-r--r--	2025-06-04 09:22
frameobject.c	35.79 KB	-rw-r--r--	2024-03-19 22:46
frameobject.gcda	8.83 KB	-rw-r--r--	2025-06-04 09:21
frameobject.o	199.9 KB	-rw-r--r--	2025-06-04 09:22
funcobject.c	34.36 KB	-rw-r--r--	2024-03-19 22:46
funcobject.gcda	10.05 KB	-rw-r--r--	2025-06-04 09:21
funcobject.o	262.78 KB	-rw-r--r--	2025-06-04 09:22
genericaliasobject.c	18.02 KB	-rw-r--r--	2024-03-19 22:46
genericaliasobject.gcda	6.79 KB	-rw-r--r--	2025-06-04 09:21
genericaliasobject.o	155.11 KB	-rw-r--r--	2025-06-04 09:22
genobject.c	69.94 KB	-rw-r--r--	2024-03-19 22:46
genobject.gcda	12.37 KB	-rw-r--r--	2025-06-04 09:21
genobject.o	327.76 KB	-rw-r--r--	2025-06-04 09:22
interpreteridobject.c	8.74 KB	-rw-r--r--	2024-03-19 22:46
interpreteridobject.gcda	4.75 KB	-rw-r--r--	2025-06-04 09:21
interpreteridobject.o	84.54 KB	-rw-r--r--	2025-06-04 09:22
iterobject.c	16.14 KB	-rw-r--r--	2024-03-19 22:46
iterobject.gcda	6.17 KB	-rw-r--r--	2025-06-04 09:21
iterobject.o	126.71 KB	-rw-r--r--	2025-06-04 09:22
listobject.c	99.53 KB	-rw-r--r--	2024-03-19 22:46
listobject.gcda	18.98 KB	-rw-r--r--	2025-06-04 09:21
listobject.o	739.52 KB	-rw-r--r--	2025-06-04 09:22
listsort.txt	35.31 KB	-rw-r--r--	2024-03-19 22:46
lnotab_notes.txt	8.62 KB	-rw-r--r--	2024-03-19 22:46
longobject.c	174.76 KB	-rw-r--r--	2024-03-19 22:46
longobject.gcda	30.25 KB	-rw-r--r--	2025-06-04 09:21
longobject.o	1.58 MB	-rw-r--r--	2025-06-04 09:22
memoryobject.c	94.86 KB	-rw-r--r--	2024-03-19 22:46
memoryobject.gcda	20.69 KB	-rw-r--r--	2025-06-04 09:21
memoryobject.o	497.3 KB	-rw-r--r--	2025-06-04 09:22
methodobject.c	17.16 KB	-rw-r--r--	2024-03-19 22:46
methodobject.gcda	6.73 KB	-rw-r--r--	2025-06-04 09:21
methodobject.o	172.39 KB	-rw-r--r--	2025-06-04 09:22
moduleobject.c	27.12 KB	-rw-r--r--	2024-03-19 22:46
moduleobject.gcda	10.06 KB	-rw-r--r--	2025-06-04 09:21
moduleobject.o	206.68 KB	-rw-r--r--	2025-06-04 09:22
namespaceobject.c	7.35 KB	-rw-r--r--	2024-03-19 22:46
namespaceobject.gcda	4.75 KB	-rw-r--r--	2025-06-04 09:21
namespaceobject.o	73.17 KB	-rw-r--r--	2025-06-04 09:22
object.c	62.92 KB	-rw-r--r--	2024-03-19 22:46
object.gcda	16.35 KB	-rw-r--r--	2025-06-04 09:21
object.o	427.98 KB	-rw-r--r--	2025-06-04 09:22
obmalloc.c	98.82 KB	-rw-r--r--	2024-03-19 22:46
obmalloc.gcda	13.52 KB	-rw-r--r--	2025-06-04 09:21
obmalloc.o	338.32 KB	-rw-r--r--	2025-06-04 09:22
odictobject.c	73.79 KB	-rw-r--r--	2024-03-19 22:46
odictobject.gcda	11.84 KB	-rw-r--r--	2025-06-04 09:21
odictobject.o	297.43 KB	-rw-r--r--	2025-06-04 09:22
picklebufobject.c	6.03 KB	-rw-r--r--	2024-03-19 22:46
picklebufobject.gcda	4.49 KB	-rw-r--r--	2025-06-04 09:21
picklebufobject.o	54.4 KB	-rw-r--r--	2025-06-04 09:22
rangeobject.c	36.25 KB	-rw-r--r--	2024-03-19 22:46
rangeobject.gcda	8.72 KB	-rw-r--r--	2025-06-04 09:21
rangeobject.o	321.02 KB	-rw-r--r--	2025-06-04 09:22
setobject.c	72.7 KB	-rw-r--r--	2024-03-19 22:46
setobject.gcda	17.04 KB	-rw-r--r--	2025-06-04 09:21
setobject.o	617.43 KB	-rw-r--r--	2025-06-04 09:22
sliceobject.c	19.36 KB	-rw-r--r--	2024-03-19 22:46
sliceobject.gcda	6.45 KB	-rw-r--r--	2025-06-04 09:21
sliceobject.o	146.79 KB	-rw-r--r--	2025-06-04 09:22
structseq.c	16.74 KB	-rw-r--r--	2024-03-19 22:46
structseq.gcda	6.29 KB	-rw-r--r--	2025-06-04 09:21
structseq.o	160.08 KB	-rw-r--r--	2025-06-04 09:22
tupleobject.c	33.24 KB	-rw-r--r--	2024-03-19 22:46
tupleobject.gcda	9.63 KB	-rw-r--r--	2025-06-04 09:21
tupleobject.o	262.6 KB	-rw-r--r--	2025-06-04 09:22
typeobject.c	268.84 KB	-rw-r--r--	2024-03-19 22:46
typeobject.gcda	55.95 KB	-rw-r--r--	2025-06-04 09:21
typeobject.o	1.62 MB	-rw-r--r--	2025-06-04 09:22
typeslots.inc	5.33 KB	-rw-r--r--	2024-03-19 22:46
typeslots.py	1.65 KB	-rwxr-xr-x	2024-03-19 22:46
unicodectype.c	7.49 KB	-rw-r--r--	2024-03-19 22:46
unicodectype.gcda	6.14 KB	-rw-r--r--	2025-06-04 09:21
unicodectype.o	199.91 KB	-rw-r--r--	2025-06-04 09:22
unicodeobject.c	475.94 KB	-rw-r--r--	2024-03-19 22:46
unicodeobject.gcda	108.06 KB	-rw-r--r--	2025-06-04 09:21
unicodeobject.o	3.93 MB	-rw-r--r--	2025-06-04 09:22
unicodetype_db.h	249.58 KB	-rw-r--r--	2024-03-19 22:46
unionobject.c	13.1 KB	-rw-r--r--	2024-03-19 22:46
unionobject.gcda	5.98 KB	-rw-r--r--	2025-06-04 09:21
unionobject.o	139.22 KB	-rw-r--r--	2025-06-04 09:22
weakrefobject.c	31.57 KB	-rw-r--r--	2024-03-19 22:46
weakrefobject.gcda	15.45 KB	-rw-r--r--	2025-06-04 09:21
weakrefobject.o	328.2 KB	-rw-r--r--	2025-06-04 09:22

Rename

#include "Python.h"
#include "pycore_call.h"          // _PyObject_CallNoArgTstate()
#include "pycore_ceval.h"         // _PyEval_EvalFrame()
#include "pycore_object.h"        // _PyObject_GC_TRACK()
#include "pycore_pyerrors.h"      // _PyErr_Occurred()
#include "pycore_pystate.h"       // _PyThreadState_GET()
#include "pycore_tuple.h"         // _PyTuple_ITEMS()
#include "frameobject.h"          // _PyFrame_New_NoTrack()

static PyObject *const *
_PyStack_UnpackDict(PyThreadState *tstate,
                    PyObject *const *args, Py_ssize_t nargs,
                    PyObject *kwargs, PyObject **p_kwnames);

static void
_PyStack_UnpackDict_Free(PyObject *const *stack, Py_ssize_t nargs,
                         PyObject *kwnames);

static PyObject *
null_error(PyThreadState *tstate)
{
    if (!_PyErr_Occurred(tstate)) {
        _PyErr_SetString(tstate, PyExc_SystemError,
                         "null argument to internal routine");
    }
    return NULL;
}

PyObject*
_Py_CheckFunctionResult(PyThreadState *tstate, PyObject *callable,
                        PyObject *result, const char *where)
{
    assert((callable != NULL) ^ (where != NULL));

if (result == NULL) {
        if (!_PyErr_Occurred(tstate)) {
            if (callable)
                _PyErr_Format(tstate, PyExc_SystemError,
                              "%R returned NULL without setting an exception",
                              callable);
            else
                _PyErr_Format(tstate, PyExc_SystemError,
                              "%s returned NULL without setting an exception",
                              where);
#ifdef Py_DEBUG
            /* Ensure that the bug is caught in debug mode.
               Py_FatalError() logs the SystemError exception raised above. */
            Py_FatalError("a function returned NULL without setting an exception");
#endif
            return NULL;
        }
    }
    else {
        if (_PyErr_Occurred(tstate)) {
            Py_DECREF(result);

if (callable) {
                _PyErr_FormatFromCauseTstate(
                    tstate, PyExc_SystemError,
                    "%R returned a result with an exception set", callable);
            }
            else {
                _PyErr_FormatFromCauseTstate(
                    tstate, PyExc_SystemError,
                    "%s returned a result with an exception set", where);
            }
#ifdef Py_DEBUG
            /* Ensure that the bug is caught in debug mode.
               Py_FatalError() logs the SystemError exception raised above. */
            Py_FatalError("a function returned a result with an exception set");
#endif
            return NULL;
        }
    }
    return result;
}

int
_Py_CheckSlotResult(PyObject *obj, const char *slot_name, int success)
{
    PyThreadState *tstate = _PyThreadState_GET();
    if (!success) {
        if (!_PyErr_Occurred(tstate)) {
            _Py_FatalErrorFormat(__func__,
                                 "Slot %s of type %s failed "
                                 "without setting an exception",
                                 slot_name, Py_TYPE(obj)->tp_name);
        }
    }
    else {
        if (_PyErr_Occurred(tstate)) {
            _Py_FatalErrorFormat(__func__,
                                 "Slot %s of type %s succeeded "
                                 "with an exception set",
                                 slot_name, Py_TYPE(obj)->tp_name);
        }
    }
    return 1;
}

/* --- Core PyObject call functions ------------------------------- */

/* Call a callable Python object without any arguments */
PyObject *
PyObject_CallNoArgs(PyObject *func)
{
    PyThreadState *tstate = _PyThreadState_GET();
    return _PyObject_CallNoArgTstate(tstate, func);
}

PyObject *
_PyObject_FastCallDictTstate(PyThreadState *tstate, PyObject *callable,
                             PyObject *const *args, size_t nargsf,
                             PyObject *kwargs)
{
    assert(callable != NULL);

/* PyObject_VectorcallDict() must not be called with an exception set,
       because it can clear it (directly or indirectly) and so the
       caller loses its exception */
    assert(!_PyErr_Occurred(tstate));

Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
    assert(nargs >= 0);
    assert(nargs == 0 || args != NULL);
    assert(kwargs == NULL || PyDict_Check(kwargs));

vectorcallfunc func = PyVectorcall_Function(callable);
    if (func == NULL) {
        /* Use tp_call instead */
        return _PyObject_MakeTpCall(tstate, callable, args, nargs, kwargs);
    }

PyObject *res;
    if (kwargs == NULL || PyDict_GET_SIZE(kwargs) == 0) {
        res = func(callable, args, nargsf, NULL);
    }
    else {
        PyObject *kwnames;
        PyObject *const *newargs;
        newargs = _PyStack_UnpackDict(tstate,
                                      args, nargs,
                                      kwargs, &kwnames);
        if (newargs == NULL) {
            return NULL;
        }
        res = func(callable, newargs,
                   nargs | PY_VECTORCALL_ARGUMENTS_OFFSET, kwnames);
        _PyStack_UnpackDict_Free(newargs, nargs, kwnames);
    }
    return _Py_CheckFunctionResult(tstate, callable, res, NULL);
}

PyObject *
PyObject_VectorcallDict(PyObject *callable, PyObject *const *args,
                       size_t nargsf, PyObject *kwargs)
{
    PyThreadState *tstate = _PyThreadState_GET();
    return _PyObject_FastCallDictTstate(tstate, callable, args, nargsf, kwargs);
}

PyObject *
_PyObject_MakeTpCall(PyThreadState *tstate, PyObject *callable,
                     PyObject *const *args, Py_ssize_t nargs,
                     PyObject *keywords)
{
    assert(nargs >= 0);
    assert(nargs == 0 || args != NULL);
    assert(keywords == NULL || PyTuple_Check(keywords) || PyDict_Check(keywords));

/* Slow path: build a temporary tuple for positional arguments and a
     * temporary dictionary for keyword arguments (if any) */
    ternaryfunc call = Py_TYPE(callable)->tp_call;
    if (call == NULL) {
        _PyErr_Format(tstate, PyExc_TypeError,
                      "'%.200s' object is not callable",
                      Py_TYPE(callable)->tp_name);
        return NULL;
    }

PyObject *argstuple = _PyTuple_FromArray(args, nargs);
    if (argstuple == NULL) {
        return NULL;
    }

PyObject *kwdict;
    if (keywords == NULL || PyDict_Check(keywords)) {
        kwdict = keywords;
    }
    else {
        if (PyTuple_GET_SIZE(keywords)) {
            assert(args != NULL);
            kwdict = _PyStack_AsDict(args + nargs, keywords);
            if (kwdict == NULL) {
                Py_DECREF(argstuple);
                return NULL;
            }
        }
        else {
            keywords = kwdict = NULL;
        }
    }

PyObject *result = NULL;
    if (_Py_EnterRecursiveCall(tstate, " while calling a Python object") == 0)
    {
        result = call(callable, argstuple, kwdict);
        _Py_LeaveRecursiveCall(tstate);
    }

Py_DECREF(argstuple);
    if (kwdict != keywords) {
        Py_DECREF(kwdict);
    }

return _Py_CheckFunctionResult(tstate, callable, result, NULL);
}

PyObject *
PyVectorcall_Call(PyObject *callable, PyObject *tuple, PyObject *kwargs)
{
    PyThreadState *tstate = _PyThreadState_GET();
    vectorcallfunc func;

/* get vectorcallfunc as in PyVectorcall_Function, but without
     * the Py_TPFLAGS_HAVE_VECTORCALL check */
    Py_ssize_t offset = Py_TYPE(callable)->tp_vectorcall_offset;
    if (offset <= 0) {
        _PyErr_Format(tstate, PyExc_TypeError,
                      "'%.200s' object does not support vectorcall",
                      Py_TYPE(callable)->tp_name);
        return NULL;
    }
    memcpy(&func, (char *) callable + offset, sizeof(func));
    if (func == NULL) {
        _PyErr_Format(tstate, PyExc_TypeError,
                      "'%.200s' object does not support vectorcall",
                      Py_TYPE(callable)->tp_name);
        return NULL;
    }

Py_ssize_t nargs = PyTuple_GET_SIZE(tuple);

/* Fast path for no keywords */
    if (kwargs == NULL || PyDict_GET_SIZE(kwargs) == 0) {
        return func(callable, _PyTuple_ITEMS(tuple), nargs, NULL);
    }

/* Convert arguments & call */
    PyObject *const *args;
    PyObject *kwnames;
    args = _PyStack_UnpackDict(tstate,
                               _PyTuple_ITEMS(tuple), nargs,
                               kwargs, &kwnames);
    if (args == NULL) {
        return NULL;
    }
    PyObject *result = func(callable, args,
                            nargs | PY_VECTORCALL_ARGUMENTS_OFFSET, kwnames);
    _PyStack_UnpackDict_Free(args, nargs, kwnames);

return _Py_CheckFunctionResult(tstate, callable, result, NULL);
}

PyObject *
_PyObject_Call(PyThreadState *tstate, PyObject *callable,
               PyObject *args, PyObject *kwargs)
{
    ternaryfunc call;
    PyObject *result;

/* PyObject_Call() must not be called with an exception set,
       because it can clear it (directly or indirectly) and so the
       caller loses its exception */
    assert(!_PyErr_Occurred(tstate));
    assert(PyTuple_Check(args));
    assert(kwargs == NULL || PyDict_Check(kwargs));

if (PyVectorcall_Function(callable) != NULL) {
        return PyVectorcall_Call(callable, args, kwargs);
    }
    else {
        call = Py_TYPE(callable)->tp_call;
        if (call == NULL) {
            _PyErr_Format(tstate, PyExc_TypeError,
                          "'%.200s' object is not callable",
                          Py_TYPE(callable)->tp_name);
            return NULL;
        }

if (_Py_EnterRecursiveCall(tstate, " while calling a Python object")) {
            return NULL;
        }

result = (*call)(callable, args, kwargs);

_Py_LeaveRecursiveCall(tstate);

return _Py_CheckFunctionResult(tstate, callable, result, NULL);
    }
}

PyObject *
PyObject_Call(PyObject *callable, PyObject *args, PyObject *kwargs)
{
    PyThreadState *tstate = _PyThreadState_GET();
    return _PyObject_Call(tstate, callable, args, kwargs);
}

PyObject *
PyCFunction_Call(PyObject *callable, PyObject *args, PyObject *kwargs)
{
    PyThreadState *tstate = _PyThreadState_GET();
    return _PyObject_Call(tstate, callable, args, kwargs);
}

/* --- PyFunction call functions ---------------------------------- */

PyObject *
_PyFunction_Vectorcall(PyObject *func, PyObject* const* stack,
                       size_t nargsf, PyObject *kwnames)
{
    assert(PyFunction_Check(func));
    PyFrameConstructor *f = PyFunction_AS_FRAME_CONSTRUCTOR(func);
    Py_ssize_t nargs = PyVectorcall_NARGS(nargsf);
    assert(nargs >= 0);
    PyThreadState *tstate = _PyThreadState_GET();
    assert(nargs == 0 || stack != NULL);
    if (((PyCodeObject *)f->fc_code)->co_flags & CO_OPTIMIZED) {
        return _PyEval_Vector(tstate, f, NULL, stack, nargs, kwnames);
    }
    else {
        return _PyEval_Vector(tstate, f, f->fc_globals, stack, nargs, kwnames);
    }
}

/* --- More complex call functions -------------------------------- */

/* External interface to call any callable object.
   The args must be a tuple or NULL.  The kwargs must be a dict or NULL. */
PyObject *
PyEval_CallObjectWithKeywords(PyObject *callable,
                              PyObject *args, PyObject *kwargs)
{
    PyThreadState *tstate = _PyThreadState_GET();
#ifdef Py_DEBUG
    /* PyEval_CallObjectWithKeywords() must not be called with an exception
       set. It raises a new exception if parameters are invalid or if
       PyTuple_New() fails, and so the original exception is lost. */
    assert(!_PyErr_Occurred(tstate));
#endif

if (args != NULL && !PyTuple_Check(args)) {
        _PyErr_SetString(tstate, PyExc_TypeError,
                         "argument list must be a tuple");
        return NULL;
    }

if (kwargs != NULL && !PyDict_Check(kwargs)) {
        _PyErr_SetString(tstate, PyExc_TypeError,
                         "keyword list must be a dictionary");
        return NULL;
    }

if (args == NULL) {
        return _PyObject_FastCallDictTstate(tstate, callable, NULL, 0, kwargs);
    }
    else {
        return _PyObject_Call(tstate, callable, args, kwargs);
    }
}

PyObject *
PyObject_CallObject(PyObject *callable, PyObject *args)
{
    PyThreadState *tstate = _PyThreadState_GET();
    assert(!_PyErr_Occurred(tstate));
    if (args == NULL) {
        return _PyObject_CallNoArgTstate(tstate, callable);
    }
    if (!PyTuple_Check(args)) {
        _PyErr_SetString(tstate, PyExc_TypeError,
                         "argument list must be a tuple");
        return NULL;
    }
    return _PyObject_Call(tstate, callable, args, NULL);
}

/* Call callable(obj, *args, **kwargs). */
PyObject *
_PyObject_Call_Prepend(PyThreadState *tstate, PyObject *callable,
                       PyObject *obj, PyObject *args, PyObject *kwargs)
{
    assert(PyTuple_Check(args));

PyObject *small_stack[_PY_FASTCALL_SMALL_STACK];
    PyObject **stack;

Py_ssize_t argcount = PyTuple_GET_SIZE(args);
    if (argcount + 1 <= (Py_ssize_t)Py_ARRAY_LENGTH(small_stack)) {
        stack = small_stack;
    }
    else {
        stack = PyMem_Malloc((argcount + 1) * sizeof(PyObject *));
        if (stack == NULL) {
            PyErr_NoMemory();
            return NULL;
        }
    }

/* use borrowed references */
    stack[0] = obj;
    memcpy(&stack[1],
           _PyTuple_ITEMS(args),
           argcount * sizeof(PyObject *));

PyObject *result = _PyObject_FastCallDictTstate(tstate, callable,
                                                    stack, argcount + 1,
                                                    kwargs);
    if (stack != small_stack) {
        PyMem_Free(stack);
    }
    return result;
}

/* --- Call with a format string ---------------------------------- */

static PyObject *
_PyObject_CallFunctionVa(PyThreadState *tstate, PyObject *callable,
                         const char *format, va_list va, int is_size_t)
{
    PyObject* small_stack[_PY_FASTCALL_SMALL_STACK];
    const Py_ssize_t small_stack_len = Py_ARRAY_LENGTH(small_stack);
    PyObject **stack;
    Py_ssize_t nargs, i;
    PyObject *result;

if (callable == NULL) {
        return null_error(tstate);
    }

if (!format || !*format) {
        return _PyObject_CallNoArgTstate(tstate, callable);
    }

if (is_size_t) {
        stack = _Py_VaBuildStack_SizeT(small_stack, small_stack_len,
                                       format, va, &nargs);
    }
    else {
        stack = _Py_VaBuildStack(small_stack, small_stack_len,
                                 format, va, &nargs);
    }
    if (stack == NULL) {
        return NULL;
    }

if (nargs == 1 && PyTuple_Check(stack[0])) {
        /* Special cases for backward compatibility:
           - PyObject_CallFunction(func, "O", tuple) calls func(*tuple)
           - PyObject_CallFunction(func, "(OOO)", arg1, arg2, arg3) calls
             func(*(arg1, arg2, arg3)): func(arg1, arg2, arg3) */
        PyObject *args = stack[0];
        result = _PyObject_VectorcallTstate(tstate, callable,
                                            _PyTuple_ITEMS(args),
                                            PyTuple_GET_SIZE(args),
                                            NULL);
    }
    else {
        result = _PyObject_VectorcallTstate(tstate, callable,
                                            stack, nargs, NULL);
    }

for (i = 0; i < nargs; ++i) {
        Py_DECREF(stack[i]);
    }
    if (stack != small_stack) {
        PyMem_Free(stack);
    }
    return result;
}

PyObject *
PyObject_CallFunction(PyObject *callable, const char *format, ...)
{
    va_list va;
    PyObject *result;
    PyThreadState *tstate = _PyThreadState_GET();

va_start(va, format);
    result = _PyObject_CallFunctionVa(tstate, callable, format, va, 0);
    va_end(va);

return result;
}

/* PyEval_CallFunction is exact copy of PyObject_CallFunction.
 * This function is kept for backward compatibility.
 */
PyObject *
PyEval_CallFunction(PyObject *callable, const char *format, ...)
{
    va_list va;
    PyObject *result;
    PyThreadState *tstate = _PyThreadState_GET();

va_start(va, format);
    result = _PyObject_CallFunctionVa(tstate, callable, format, va, 0);
    va_end(va);

return result;
}

PyObject *
_PyObject_CallFunction_SizeT(PyObject *callable, const char *format, ...)
{
    PyThreadState *tstate = _PyThreadState_GET();

va_list va;
    va_start(va, format);
    PyObject *result = _PyObject_CallFunctionVa(tstate, callable, format, va, 1);
    va_end(va);

return result;
}

static PyObject*
callmethod(PyThreadState *tstate, PyObject* callable, const char *format, va_list va, int is_size_t)
{
    assert(callable != NULL);
    if (!PyCallable_Check(callable)) {
        _PyErr_Format(tstate, PyExc_TypeError,
                      "attribute of type '%.200s' is not callable",
                      Py_TYPE(callable)->tp_name);
        return NULL;
    }

return _PyObject_CallFunctionVa(tstate, callable, format, va, is_size_t);
}

PyObject *
PyObject_CallMethod(PyObject *obj, const char *name, const char *format, ...)
{
    PyThreadState *tstate = _PyThreadState_GET();

if (obj == NULL || name == NULL) {
        return null_error(tstate);
    }

PyObject *callable = PyObject_GetAttrString(obj, name);
    if (callable == NULL) {
        return NULL;
    }

va_list va;
    va_start(va, format);
    PyObject *retval = callmethod(tstate, callable, format, va, 0);
    va_end(va);