bpo-35134: Move Include/{pyarena.h,pyctype.h} to Include/cpython/ (GH-24550)

Move non-limited C API headers pyarena.h and pyctype.h
into Include/cpython/ directory.

Include/Python.h

@@ -137,7 +137,7 @@
 #include "pystate.h"
 #include "context.h"
 
-#include "pyarena.h"
+#include "cpython/pyarena.h"
 #include "modsupport.h"
 #include "compile.h"
 #include "pythonrun.h"
@@ -154,7 +154,7 @@
 
 #include "eval.h"
 
-#include "pyctype.h"
+#include "cpython/pyctype.h"
 #include "pystrtod.h"
 #include "pystrcmp.h"
 #include "fileutils.h"

Makefile.pre.in

@@ -1057,9 +1057,7 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/osmodule.h \
 		$(srcdir)/Include/patchlevel.h \
 		$(srcdir)/Include/picklebufobject.h \
-		$(srcdir)/Include/pyarena.h \
 		$(srcdir)/Include/pycapsule.h \
-		$(srcdir)/Include/pyctype.h \
 		$(srcdir)/Include/pydebug.h \
 		$(srcdir)/Include/pydtrace.h \
 		$(srcdir)/Include/pyerrors.h \
@@ -1113,6 +1111,8 @@ PYTHON_HEADERS= \
 		$(srcdir)/Include/cpython/methodobject.h \
 		$(srcdir)/Include/cpython/object.h \
 		$(srcdir)/Include/cpython/objimpl.h \
+		$(srcdir)/Include/cpython/pyarena.h \
+		$(srcdir)/Include/cpython/pyctype.h \
 		$(srcdir)/Include/cpython/pyerrors.h \
 		$(srcdir)/Include/cpython/pylifecycle.h \
 		$(srcdir)/Include/cpython/pymem.h \

Misc/NEWS.d/next/C API/2021-02-17-18-51-26.bpo-35134.YoQdk8.rst

@@ -0,0 +1,3 @@
+Move pyarena.h, pyctype.h, and pytime.h into the cpython/ directory. They
+must not be included directly, as they are already included by Python.h:
+:ref:`Include Files <api-includes>`.

PCbuild/pythoncore.vcxproj

@@ -142,6 +142,8 @@
     <ClInclude Include="..\Include\cpython\methodobject.h" />
     <ClInclude Include="..\Include\cpython\object.h" />
     <ClInclude Include="..\Include\cpython\objimpl.h" />
+    <ClInclude Include="..\Include\cpython\pyarena.h" />
+    <ClInclude Include="..\Include\cpython\pyctype.h" />
     <ClInclude Include="..\Include\cpython\pyerrors.h" />
     <ClInclude Include="..\Include\cpython\pylifecycle.h" />
     <ClInclude Include="..\Include\cpython\pymem.h" />
@@ -226,9 +228,7 @@
     <ClInclude Include="..\Include\parser_interface.h" />
     <ClInclude Include="..\Include\picklebufobject.h" />
     <ClInclude Include="..\Include\py_curses.h" />
-    <ClInclude Include="..\Include\pyarena.h" />
     <ClInclude Include="..\Include\pycapsule.h" />
-    <ClInclude Include="..\Include\pyctype.h" />
     <ClInclude Include="..\Include\pydebug.h" />
     <ClInclude Include="..\Include\pyerrors.h" />
     <ClInclude Include="..\Include\pyexpat.h" />

PCbuild/pythoncore.vcxproj.filters

@@ -177,15 +177,9 @@
     <ClInclude Include="..\Include\py_curses.h">
       <Filter>Include</Filter>
     </ClInclude>
-    <ClInclude Include="..\Include\pyarena.h">
-      <Filter>Include</Filter>
-    </ClInclude>
     <ClInclude Include="..\Include\pycapsule.h">
       <Filter>Include</Filter>
     </ClInclude>
-    <ClInclude Include="..\Include\pyctype.h">
-      <Filter>Include</Filter>
-    </ClInclude>
     <ClInclude Include="..\Include\pydebug.h">
       <Filter>Include</Filter>
     </ClInclude>
@@ -438,6 +432,12 @@
     <ClInclude Include="..\Include\cpython\object.h">
       <Filter>Include\cpython</Filter>
     </ClInclude>
+    <ClInclude Include="..\Include\cpython\pyarena.h">
+      <Filter>Include</Filter>
+    </ClInclude>
+    <ClInclude Include="..\Include\cpython\pyctype.h">
+      <Filter>Include</Filter>
+    </ClInclude>
     <ClInclude Include="..\Include\cpython\pyerrors.h">
       <Filter>Include\cpython</Filter>
     </ClInclude>

Parser/pegen.h

@@ -5,7 +5,6 @@
 #include <Python.h>
 #include <token.h>
 #include <Python-ast.h>
-#include <pyarena.h>
 
 #if 0
 #define PyPARSE_YIELD_IS_KEYWORD        0x0001

Tools/scripts/stable_abi.py

@@ -22,9 +22,7 @@
     "genobject.h",
     "longintrepr.h",
     "parsetok.h",
-    "pyarena.h",
     "pyatomic.h",
-    "pyctype.h",
     "pydebug.h",
     "pytime.h",
     "symtable.h",