gh-106320: Remove private pythonrun API (#108599)

Remove these private functions from the public C API:

* _PyRun_AnyFileObject()
* _PyRun_InteractiveLoopObject()
* _PyRun_SimpleFileObject()
* _Py_SourceAsString()

Move them to the internal C API: add a new pycore_pythonrun.h header
file. No longer export these functions.

Include/cpython/pythonrun.h

@@ -3,21 +3,11 @@
 #endif
 
 PyAPI_FUNC(int) PyRun_SimpleStringFlags(const char *, PyCompilerFlags *);
-PyAPI_FUNC(int) _PyRun_SimpleFileObject(
-    FILE *fp,
-    PyObject *filename,
-    int closeit,
-    PyCompilerFlags *flags);
 PyAPI_FUNC(int) PyRun_AnyFileExFlags(
     FILE *fp,
     const char *filename,       /* decoded from the filesystem encoding */
     int closeit,
     PyCompilerFlags *flags);
-PyAPI_FUNC(int) _PyRun_AnyFileObject(
-    FILE *fp,
-    PyObject *filename,
-    int closeit,
-    PyCompilerFlags *flags);
 PyAPI_FUNC(int) PyRun_SimpleFileExFlags(
     FILE *fp,
     const char *filename,       /* decoded from the filesystem encoding */
@@ -35,10 +25,6 @@ PyAPI_FUNC(int) PyRun_InteractiveLoopFlags(
     FILE *fp,
     const char *filename,       /* decoded from the filesystem encoding */
     PyCompilerFlags *flags);
-PyAPI_FUNC(int) _PyRun_InteractiveLoopObject(
-    FILE *fp,
-    PyObject *filename,
-    PyCompilerFlags *flags);
 
 
 PyAPI_FUNC(PyObject *) PyRun_StringFlags(const char *, int, PyObject *,
@@ -69,15 +55,6 @@ PyAPI_FUNC(PyObject *) Py_CompileStringObject(
 #define Py_CompileString(str, p, s) Py_CompileStringExFlags((str), (p), (s), NULL, -1)
 #define Py_CompileStringFlags(str, p, s, f) Py_CompileStringExFlags((str), (p), (s), (f), -1)
 
-
-PyAPI_FUNC(const char *) _Py_SourceAsString(
-    PyObject *cmd,
-    const char *funcname,
-    const char *what,
-    PyCompilerFlags *cf,
-    PyObject **cmd_copy);
-
-
 /* A function flavor is also exported by libpython. It is required when
     libpython is accessed directly rather than using header files which defines
     macros below. On Windows, for example, PyAPI_FUNC() uses dllexport to
@@ -114,7 +91,6 @@ PyAPI_FUNC(PyObject *) PyRun_FileFlags(FILE *fp, const char *p, int s, PyObject
 #define PyRun_FileFlags(fp, p, s, g, l, flags) \
     PyRun_FileExFlags((fp), (p), (s), (g), (l), 0, (flags))
 
-
 /* Stuff with no proper home (yet) */
 PyAPI_FUNC(char *) PyOS_Readline(FILE *, FILE *, const char *);
 PyAPI_DATA(char) *(*PyOS_ReadlineFunctionPointer)(FILE *, FILE *, const char *);

Include/internal/pycore_pythonrun.h

@@ -0,0 +1,39 @@
+#ifndef Py_INTERNAL_PYTHONRUN_H
+#define Py_INTERNAL_PYTHONRUN_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef Py_BUILD_CORE
+#  error "this header requires Py_BUILD_CORE define"
+#endif
+
+extern int _PyRun_SimpleFileObject(
+    FILE *fp,
+    PyObject *filename,
+    int closeit,
+    PyCompilerFlags *flags);
+
+extern int _PyRun_AnyFileObject(
+    FILE *fp,
+    PyObject *filename,
+    int closeit,
+    PyCompilerFlags *flags);
+
+extern int _PyRun_InteractiveLoopObject(
+    FILE *fp,
+    PyObject *filename,
+    PyCompilerFlags *flags);
+
+extern const char* _Py_SourceAsString(
+    PyObject *cmd,
+    const char *funcname,
+    const char *what,
+    PyCompilerFlags *cf,
+    PyObject **cmd_copy);
+
+#ifdef __cplusplus
+}
+#endif
+#endif  // !Py_INTERNAL_PYTHONRUN_H
+

Makefile.pre.in

@@ -1795,6 +1795,7 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/internal/pycore_pymem.h \
 		$(srcdir)/Include/internal/pycore_pymem_init.h \
 		$(srcdir)/Include/internal/pycore_pystate.h \
+		$(srcdir)/Include/internal/pycore_pythonrun.h \
 		$(srcdir)/Include/internal/pycore_pythread.h \
 		$(srcdir)/Include/internal/pycore_range.h \
 		$(srcdir)/Include/internal/pycore_runtime.h \

Modules/main.c

@@ -7,6 +7,7 @@
 #include "pycore_pathconfig.h"    // _PyPathConfig_ComputeSysPath0()
 #include "pycore_pylifecycle.h"   // _Py_PreInitializeFromPyArgv()
 #include "pycore_pystate.h"       // _PyInterpreterState_GET()
+#include "pycore_pythonrun.h"     // _PyRun_AnyFileObject()
 
 /* Includes for exit_sigint() */
 #include <stdio.h>                // perror()

Modules/symtablemodule.c

@@ -1,4 +1,5 @@
 #include "Python.h"
+#include "pycore_pythonrun.h"     // _Py_SourceAsString()
 #include "pycore_symtable.h"      // struct symtable
 
 #include "clinic/symtablemodule.c.h"

PCbuild/pythoncore.vcxproj

@@ -259,6 +259,7 @@
     <ClInclude Include="..\Include\internal\pycore_pymem.h" />
     <ClInclude Include="..\Include\internal\pycore_pymem_init.h" />
     <ClInclude Include="..\Include\internal\pycore_pystate.h" />
+    <ClInclude Include="..\Include\internal\pycore_pythonrun.h" />
     <ClInclude Include="..\Include\internal\pycore_pythread.h" />
     <ClInclude Include="..\Include\internal\pycore_range.h" />
     <ClInclude Include="..\Include\internal\pycore_runtime.h" />

PCbuild/pythoncore.vcxproj.filters

@@ -681,6 +681,9 @@
     <ClInclude Include="..\Include\internal\pycore_pystate.h">
       <Filter>Include\internal</Filter>
     </ClInclude>
+    <ClInclude Include="..\Include\internal\pycore_pythonrun.h">
+      <Filter>Include\internal</Filter>
+    </ClInclude>
     <ClInclude Include="..\Include\internal\pycore_pythread.h">
       <Filter>Include\internal</Filter>
     </ClInclude>

Python/bltinmodule.c

@@ -12,6 +12,7 @@
 #include "pycore_object.h"        // _Py_AddToAllObjects()
 #include "pycore_pyerrors.h"      // _PyErr_NoMemory()
 #include "pycore_pystate.h"       // _PyThreadState_GET()
+#include "pycore_pythonrun.h"     // _Py_SourceAsString()
 #include "pycore_sysmodule.h"     // _PySys_GetAttr()
 #include "pycore_tuple.h"         // _PyTuple_FromArray()
 

Python/pythonrun.c

@@ -21,6 +21,7 @@
 #include "pycore_pyerrors.h"      // _PyErr_GetRaisedException, _Py_Offer_Suggestions
 #include "pycore_pylifecycle.h"   // _Py_UnhandledKeyboardInterrupt
 #include "pycore_pystate.h"       // _PyInterpreterState_GET()
+#include "pycore_pythonrun.h"     // define _PyRun_InteractiveLoopObject()
 #include "pycore_sysmodule.h"     // _PySys_Audit()
 #include "pycore_traceback.h"     // _PyTraceBack_Print_Indented()