bpo-22257: Small changes for PEP 432. (#1728)

PEP 432 specifies a number of large changes to interpreter startup code, including exposing a cleaner C-API. The major changes depend on a number of smaller changes. This patch includes all those smaller changes.

5 files changed, 23 insertions, 20 deletions

diff --git a/Include/Python.h b/Include/Python.h
index 4c7c9a4..061d693 100644
--- a/Include/Python.h
+++ b/Include/Python.h
@@ -112,6 +112,7 @@
 
 #include "pyarena.h"
 #include "modsupport.h"
+#include "compile.h"
 #include "pythonrun.h"
 #include "pylifecycle.h"
 #include "ceval.h"
@@ -123,7 +124,6 @@
 #include "abstract.h"
 #include "bltinmodule.h"
 
-#include "compile.h"
 #include "eval.h"
 
 #include "pyctype.h"
diff --git a/Include/compile.h b/Include/compile.h
index ecd8dc1..3cc351d 100644
--- a/Include/compile.h
+++ b/Include/compile.h
@@ -11,6 +11,23 @@ extern "C" {
 /* Public interface */
 struct _node; /* Declare the existence of this type */
 PyAPI_FUNC(PyCodeObject *) PyNode_Compile(struct _node *, const char *);
+/* XXX (ncoghlan): Unprefixed type name in a public API! */
+
+#define PyCF_MASK (CO_FUTURE_DIVISION | CO_FUTURE_ABSOLUTE_IMPORT | \
+                   CO_FUTURE_WITH_STATEMENT | CO_FUTURE_PRINT_FUNCTION | \
+                   CO_FUTURE_UNICODE_LITERALS | CO_FUTURE_BARRY_AS_BDFL | \
+                   CO_FUTURE_GENERATOR_STOP)
+#define PyCF_MASK_OBSOLETE (CO_NESTED)
+#define PyCF_SOURCE_IS_UTF8  0x0100
+#define PyCF_DONT_IMPLY_DEDENT 0x0200
+#define PyCF_ONLY_AST 0x0400
+#define PyCF_IGNORE_COOKIE 0x0800
+
+#ifndef Py_LIMITED_API
+typedef struct {
+    int cf_flags;  /* bitmask of CO_xxx flags relevant to future */
+} PyCompilerFlags;
+#endif
 
 /* Future feature support */
 
diff --git a/Include/pylifecycle.h b/Include/pylifecycle.h
index 01abfa9..7d182cf 100644
--- a/Include/pylifecycle.h
+++ b/Include/pylifecycle.h
@@ -77,14 +77,15 @@ PyAPI_FUNC(const char *) _Py_gitversion(void);
 /* Internal -- various one-time initializations */
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(PyObject *) _PyBuiltin_Init(void);
-PyAPI_FUNC(PyObject *) _PySys_Init(void);
+PyAPI_FUNC(PyObject *) _PySys_BeginInit(void);
+PyAPI_FUNC(int) _PySys_EndInit(PyObject *sysdict);
 PyAPI_FUNC(void) _PyImport_Init(void);
 PyAPI_FUNC(void) _PyExc_Init(PyObject * bltinmod);
 PyAPI_FUNC(void) _PyImportHooks_Init(void);
 PyAPI_FUNC(int) _PyFrame_Init(void);
 PyAPI_FUNC(int) _PyFloat_Init(void);
 PyAPI_FUNC(int) PyByteArray_Init(void);
-PyAPI_FUNC(void) _PyRandom_Init(void);
+PyAPI_FUNC(void) _Py_HashRandomization_Init(void);
 #endif
 
 /* Various internal finalizers */
@@ -106,7 +107,7 @@ PyAPI_FUNC(void) _PyGC_DumpShutdownStats(void);
 PyAPI_FUNC(void) _PyGC_Fini(void);
 PyAPI_FUNC(void) PySlice_Fini(void);
 PyAPI_FUNC(void) _PyType_Fini(void);
-PyAPI_FUNC(void) _PyRandom_Fini(void);
+PyAPI_FUNC(void) _Py_HashRandomization_Fini(void);
 PyAPI_FUNC(void) PyAsyncGen_Fini(void);
 
 PyAPI_DATA(PyThreadState *) _Py_Finalizing;
diff --git a/Include/pystate.h b/Include/pystate.h
index 9170ba9..5e54da1 100644
--- a/Include/pystate.h
+++ b/Include/pystate.h
@@ -302,6 +302,7 @@ PyAPI_FUNC(PyObject *) _PyThread_CurrentFrames(void);
 /* Routines for advanced debuggers, requested by David Beazley.
    Don't use unless you know what you are doing! */
 #ifndef Py_LIMITED_API
+PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Main(void);
 PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Head(void);
 PyAPI_FUNC(PyInterpreterState *) PyInterpreterState_Next(PyInterpreterState *);
 PyAPI_FUNC(PyThreadState *) PyInterpreterState_ThreadHead(PyInterpreterState *);
diff --git a/Include/pythonrun.h b/Include/pythonrun.h
index efc613f..6f0c6fc 100644
--- a/Include/pythonrun.h
+++ b/Include/pythonrun.h
@@ -7,22 +7,6 @@
 extern "C" {
 #endif
 
-#define PyCF_MASK (CO_FUTURE_DIVISION | CO_FUTURE_ABSOLUTE_IMPORT | \
-                   CO_FUTURE_WITH_STATEMENT | CO_FUTURE_PRINT_FUNCTION | \
-                   CO_FUTURE_UNICODE_LITERALS | CO_FUTURE_BARRY_AS_BDFL | \
-                   CO_FUTURE_GENERATOR_STOP)
-#define PyCF_MASK_OBSOLETE (CO_NESTED)
-#define PyCF_SOURCE_IS_UTF8  0x0100
-#define PyCF_DONT_IMPLY_DEDENT 0x0200
-#define PyCF_ONLY_AST 0x0400
-#define PyCF_IGNORE_COOKIE 0x0800
-
-#ifndef Py_LIMITED_API
-typedef struct {
-    int cf_flags;  /* bitmask of CO_xxx flags relevant to future */
-} PyCompilerFlags;
-#endif
-
 #ifndef Py_LIMITED_API
 PyAPI_FUNC(int) PyRun_SimpleStringFlags(const char *, PyCompilerFlags *);
 PyAPI_FUNC(int) PyRun_AnyFileFlags(FILE *, const char *, PyCompilerFlags *);