gh-106320: Remove private _PyErr_WriteUnraisableMsg() (#108863)

Move the private _PyErr_WriteUnraisableMsg() functions to the
internal C API (pycore_pyerrors.h).

Move write_unraisable_exc() from _testcapi to _testinternalcapi.

2 files changed, 1 insertions, 64 deletions

diff --git a/Modules/_testcapi/clinic/exceptions.c.h b/Modules/_testcapi/clinic/exceptions.c.h
index 0188153..39b5f8b 100644
--- a/Modules/_testcapi/clinic/exceptions.c.h
+++ b/Modules/_testcapi/clinic/exceptions.c.h
@@ -394,38 +394,6 @@ PyDoc_STRVAR(_testcapi_set_exception__doc__,
 #define _TESTCAPI_SET_EXCEPTION_METHODDEF    \
     {"set_exception", (PyCFunction)_testcapi_set_exception, METH_O, _testcapi_set_exception__doc__},
 
-PyDoc_STRVAR(_testcapi_write_unraisable_exc__doc__,
-"write_unraisable_exc($module, exception, err_msg, obj, /)\n"
-"--\n"
-"\n");
-
-#define _TESTCAPI_WRITE_UNRAISABLE_EXC_METHODDEF    \
-    {"write_unraisable_exc", _PyCFunction_CAST(_testcapi_write_unraisable_exc), METH_FASTCALL, _testcapi_write_unraisable_exc__doc__},
-
-static PyObject *
-_testcapi_write_unraisable_exc_impl(PyObject *module, PyObject *exc,
-                                    PyObject *err_msg, PyObject *obj);
-
-static PyObject *
-_testcapi_write_unraisable_exc(PyObject *module, PyObject *const *args, Py_ssize_t nargs)
-{
-    PyObject *return_value = NULL;
-    PyObject *exc;
-    PyObject *err_msg;
-    PyObject *obj;
-
-    if (!_PyArg_CheckPositional("write_unraisable_exc", nargs, 3, 3)) {
-        goto exit;
-    }
-    exc = args[0];
-    err_msg = args[1];
-    obj = args[2];
-    return_value = _testcapi_write_unraisable_exc_impl(module, exc, err_msg, obj);
-
-exit:
-    return return_value;
-}
-
 PyDoc_STRVAR(_testcapi_traceback_print__doc__,
 "traceback_print($module, traceback, file, /)\n"
 "--\n"
@@ -487,4 +455,4 @@ _testcapi_unstable_exc_prep_reraise_star(PyObject *module, PyObject *const *args
 exit:
     return return_value;
 }
-/*[clinic end generated code: output=8f273949da28ffb5 input=a9049054013a1b77]*/
+/*[clinic end generated code: output=ff19512450b3bbdb input=a9049054013a1b77]*/
diff --git a/Modules/_testcapi/exceptions.c b/Modules/_testcapi/exceptions.c
index 025b42d..b1388d7 100644
--- a/Modules/_testcapi/exceptions.c
+++ b/Modules/_testcapi/exceptions.c
@@ -279,36 +279,6 @@ _testcapi_set_exception(PyObject *module, PyObject *new_exc)
 }
 
 /*[clinic input]
-_testcapi.write_unraisable_exc
-    exception as exc: object
-    err_msg: object
-    obj: object
-    /
-[clinic start generated code]*/
-
-static PyObject *
-_testcapi_write_unraisable_exc_impl(PyObject *module, PyObject *exc,
-                                    PyObject *err_msg, PyObject *obj)
-/*[clinic end generated code: output=39827c5e0a8c2092 input=582498da5b2ee6cf]*/
-{
-
-    const char *err_msg_utf8;
-    if (err_msg != Py_None) {
-        err_msg_utf8 = PyUnicode_AsUTF8(err_msg);
-        if (err_msg_utf8 == NULL) {
-            return NULL;
-        }
-    }
-    else {
-        err_msg_utf8 = NULL;
-    }
-
-    PyErr_SetObject((PyObject *)Py_TYPE(exc), exc);
-    _PyErr_WriteUnraisableMsg(err_msg_utf8, obj);
-    Py_RETURN_NONE;
-}
-
-/*[clinic input]
 _testcapi.traceback_print
     traceback: object
     file: object
@@ -384,7 +354,6 @@ static PyMethodDef test_methods[] = {
     _TESTCAPI_SET_EXC_INFO_METHODDEF
     _TESTCAPI_SET_EXCEPTION_METHODDEF
     _TESTCAPI_TRACEBACK_PRINT_METHODDEF
-    _TESTCAPI_WRITE_UNRAISABLE_EXC_METHODDEF
     _TESTCAPI_UNSTABLE_EXC_PREP_RERAISE_STAR_METHODDEF
     {NULL},
 };