New submission from STINNER Victor <vstin...@python.org>:

The Python C API contains multiple functions which are not exported with 
PyAPI_FUNC() and so are not usable.

Public functions:
---
void PyLineTable_InitAddressRange(const char *linetable, Py_ssize_t length, int 
firstlineno, PyCodeAddressRange *range);
int PyLineTable_NextAddressRange(PyCodeAddressRange *range);
int PyLineTable_PreviousAddressRange(PyCodeAddressRange *range);
---

=> Either make this functions private ("_Py" prefix) and move them to the 
internal C API, or add PyAPI_FUNC().


Private functions:
---
int _PyCode_InitAddressRange(PyCodeObject* co, PyCodeAddressRange *bounds);
int _PyCode_InitEndAddressRange(PyCodeObject* co, PyCodeAddressRange* bounds);

PyDictKeysObject *_PyDict_NewKeysForClass(void);
Py_ssize_t _PyDict_KeysSize(PyDictKeysObject *keys);
uint32_t _PyDictKeys_GetVersionForCurrentState(PyDictKeysObject *dictkeys);
Py_ssize_t _PyDictKeys_StringLookup(PyDictKeysObject* dictkeys, PyObject *key);

PyObject *_PyDict_Pop_KnownHash(PyObject *, PyObject *, Py_hash_t, PyObject *);
PyObject *_PyDict_FromKeys(PyObject *, PyObject *, PyObject *);
int _PyObjectDict_SetItem(PyTypeObject *tp, PyObject **dictptr, PyObject *name, 
PyObject *value);
PyObject *_PyDict_LoadGlobal(PyDictObject *, PyDictObject *, PyObject *);
Py_ssize_t _PyDict_GetItemHint(PyDictObject *, PyObject *, Py_ssize_t, PyObject 
**);

PyFrameObject* _PyFrame_New_NoTrack(struct _interpreter_frame *, int);
int PySignal_SetWakeupFd(int fd);
uint32_t _PyFunction_GetVersionForCurrentState(PyFunctionObject *func);
PyObject *_PyGen_yf(PyGenObject *);
PyObject *_PyCoro_GetAwaitableIter(PyObject *o);
PyObject *_PyAsyncGenValueWrapperNew(PyObject *);
void _PyArg_Fini(void);
int _Py_CheckPython3(void);
---

=> I suggest to move all these declarations to the internal C API.


Moreover, Include/moduleobject.h contains:
---
#ifdef Py_BUILD_CORE
extern int _PyModule_IsExtension(PyObject *obj);
#endif
---

IMO this declaration should be moved to the internal C API.


See also bpo-45201 about PySignal_SetWakeupFd().

----------
components: C API
messages: 402827
nosy: vstinner
priority: normal
severity: normal
status: open
title: [C API] Functions not exported with PyAPI_FUNC()
versions: Python 3.11

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue45316>
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