From: Victor Stinner <vstinner@python.org>
Date: Tue, 7 Oct 2025 22:48:18 +0000 (+0200)
Subject: gh-79315: Add Include/cpython/sliceobject.h header (#139729)
X-Git-Tag: v3.15.0a1~94
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=1cf22600f10322d77ab2c2bb41acabf2360f84e9;p=thirdparty%2FPython%2Fcpython.git

gh-79315: Add Include/cpython/sliceobject.h header (#139729)
---

diff --git a/Include/cpython/sliceobject.h b/Include/cpython/sliceobject.h
new file mode 100644
index 000000000000..4c3ea1facebc
--- /dev/null
+++ b/Include/cpython/sliceobject.h
@@ -0,0 +1,20 @@
+#ifndef Py_CPYTHON_SLICEOBJECT_H
+#  error "this header file must not be included directly"
+#endif
+
+/* Slice object interface */
+
+/*
+A slice object containing start, stop, and step data members (the
+names are from range).  After much talk with Guido, it was decided to
+let these be any arbitrary python type.  Py_None stands for omitted values.
+*/
+typedef struct {
+    PyObject_HEAD
+    PyObject *start, *stop, *step;      /* not NULL */
+} PySliceObject;
+
+PyAPI_FUNC(PyObject *) _PySlice_FromIndices(Py_ssize_t start, Py_ssize_t stop);
+PyAPI_FUNC(int) _PySlice_GetLongIndices(PySliceObject *self, PyObject *length,
+                                 PyObject **start_ptr, PyObject **stop_ptr,
+                                 PyObject **step_ptr);
diff --git a/Include/sliceobject.h b/Include/sliceobject.h
index 35e2ea254ca8..00c70a6e911b 100644
--- a/Include/sliceobject.h
+++ b/Include/sliceobject.h
@@ -16,19 +16,6 @@ PyAPI_DATA(PyObject) _Py_EllipsisObject; /* Don't use this directly */
 
 /* Slice object interface */
 
-/*
-
-A slice object containing start, stop, and step data members (the
-names are from range).  After much talk with Guido, it was decided to
-let these be any arbitrary python type.  Py_None stands for omitted values.
-*/
-#ifndef Py_LIMITED_API
-typedef struct {
-    PyObject_HEAD
-    PyObject *start, *stop, *step;      /* not NULL */
-} PySliceObject;
-#endif
-
 PyAPI_DATA(PyTypeObject) PySlice_Type;
 PyAPI_DATA(PyTypeObject) PyEllipsis_Type;
 
@@ -36,12 +23,6 @@ PyAPI_DATA(PyTypeObject) PyEllipsis_Type;
 
 PyAPI_FUNC(PyObject *) PySlice_New(PyObject* start, PyObject* stop,
                                   PyObject* step);
-#ifndef Py_LIMITED_API
-PyAPI_FUNC(PyObject *) _PySlice_FromIndices(Py_ssize_t start, Py_ssize_t stop);
-PyAPI_FUNC(int) _PySlice_GetLongIndices(PySliceObject *self, PyObject *length,
-                                 PyObject **start_ptr, PyObject **stop_ptr,
-                                 PyObject **step_ptr);
-#endif
 PyAPI_FUNC(int) PySlice_GetIndices(PyObject *r, Py_ssize_t length,
                                   Py_ssize_t *start, Py_ssize_t *stop, Py_ssize_t *step);
 Py_DEPRECATED(3.7)
@@ -63,6 +44,12 @@ PyAPI_FUNC(Py_ssize_t) PySlice_AdjustIndices(Py_ssize_t length,
                                              Py_ssize_t step);
 #endif
 
+#ifndef Py_LIMITED_API
+#  define Py_CPYTHON_SLICEOBJECT_H
+#  include "cpython/sliceobject.h"
+#  undef Py_CPYTHON_SLICEOBJECT_H
+#endif
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/Makefile.pre.in b/Makefile.pre.in
index ff9a84e4c274..a356ac0ea943 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -1297,6 +1297,7 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/cpython/pythonrun.h \
 		$(srcdir)/Include/cpython/pythread.h \
 		$(srcdir)/Include/cpython/setobject.h \
+		$(srcdir)/Include/cpython/sliceobject.h \
 		$(srcdir)/Include/cpython/traceback.h \
 		$(srcdir)/Include/cpython/tracemalloc.h \
 		$(srcdir)/Include/cpython/tupleobject.h \
diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index d043d23eed85..25a7313eb264 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -191,6 +191,7 @@
     <ClInclude Include="..\Include\cpython\pythonrun.h" />
     <ClInclude Include="..\Include\cpython\pythread.h" />
     <ClInclude Include="..\Include\cpython\setobject.h" />
+    <ClInclude Include="..\Include\cpython\sliceobject.h" />
     <ClInclude Include="..\Include\cpython\traceback.h" />
     <ClInclude Include="..\Include\cpython\tracemalloc.h" />
     <ClInclude Include="..\Include\cpython\tupleobject.h" />
diff --git a/PCbuild/pythoncore.vcxproj.filters b/PCbuild/pythoncore.vcxproj.filters
index 1868b222f185..edbd88d930a4 100644
--- a/PCbuild/pythoncore.vcxproj.filters
+++ b/PCbuild/pythoncore.vcxproj.filters
@@ -492,6 +492,9 @@
     <ClInclude Include="..\Include\cpython\tupleobject.h">
       <Filter>Include\cpython</Filter>
     </ClInclude>
+    <ClInclude Include="..\Include\cpython\sliceobject.h">
+      <Filter>Include\cpython</Filter>
+    </ClInclude>
     <ClInclude Include="..\Include\cpython\traceback.h">
       <Filter>Include\cpython</Filter>
     </ClInclude>