plugins/python: Port to Python 3.14 beta 1

The PyThreadState.c_recursion_remaining member has been removed in
Python 3.14 beta 1:
python/cpython#133080

Author: vstinner

plugins/python/python_plugin.c

@@ -1166,7 +1166,9 @@ void uwsgi_python_init_apps() {
 
 	// prepare for stack suspend/resume
 	if (uwsgi.async > 1) {
-#ifdef UWSGI_PY312
+#ifdef UWSGI_PY314
+		up.current_py_recursion_remaining = uwsgi_malloc(sizeof(int)*uwsgi.async);
+#elif defined UWSGI_PY312
 		up.current_c_recursion_remaining = uwsgi_malloc(sizeof(int)*uwsgi.async);
 		up.current_py_recursion_remaining = uwsgi_malloc(sizeof(int)*uwsgi.async);
 #elif defined UWSGI_PY311
@@ -1608,7 +1610,10 @@ void uwsgi_python_suspend(struct wsgi_request *wsgi_req) {
 	PyGILState_Release(pgst);
 
 	if (wsgi_req) {
-#ifdef UWSGI_PY313
+#ifdef UWSGI_PY314
+		up.current_py_recursion_remaining[wsgi_req->async_id] = tstate->py_recursion_remaining;
+		up.current_frame[wsgi_req->async_id] = tstate->current_frame;
+#elif defined UWSGI_PY313
 		up.current_c_recursion_remaining[wsgi_req->async_id] = tstate->c_recursion_remaining;
 		up.current_py_recursion_remaining[wsgi_req->async_id] = tstate->py_recursion_remaining;
 		up.current_frame[wsgi_req->async_id] = tstate->current_frame;
@@ -1625,7 +1630,10 @@ void uwsgi_python_suspend(struct wsgi_request *wsgi_req) {
 #endif
 	}
 	else {
-#ifdef UWSGI_PY313
+#ifdef UWSGI_PY314
+		up.current_main_py_recursion_remaining = tstate->py_recursion_remaining;
+		up.current_main_frame = tstate->current_frame;
+#elif defined UWSGI_PY313
 		up.current_main_c_recursion_remaining = tstate->c_recursion_remaining;
 		up.current_main_py_recursion_remaining = tstate->py_recursion_remaining;
 		up.current_main_frame = tstate->current_frame;
@@ -1869,7 +1877,10 @@ void uwsgi_python_resume(struct wsgi_request *wsgi_req) {
 	PyGILState_Release(pgst);
 
 	if (wsgi_req) {
-#ifdef UWSGI_PY313
+#ifdef UWSGI_PY314
+		tstate->py_recursion_remaining = up.current_py_recursion_remaining[wsgi_req->async_id];
+		tstate->current_frame = up.current_frame[wsgi_req->async_id];
+#elif defined UWSGI_PY313
 		tstate->c_recursion_remaining = up.current_c_recursion_remaining[wsgi_req->async_id];
 		tstate->py_recursion_remaining = up.current_py_recursion_remaining[wsgi_req->async_id];
 		tstate->current_frame = up.current_frame[wsgi_req->async_id];
@@ -1886,7 +1897,10 @@ void uwsgi_python_resume(struct wsgi_request *wsgi_req) {
 #endif
 	}
 	else {
-#ifdef UWSGI_PY313
+#ifdef UWSGI_PY314
+		tstate->py_recursion_remaining = up.current_main_py_recursion_remaining;
+		tstate->current_frame = up.current_main_frame;
+#elif defined UWSGI_PY313
 		tstate->c_recursion_remaining = up.current_main_c_recursion_remaining;
 		tstate->py_recursion_remaining = up.current_main_py_recursion_remaining;
 		tstate->current_frame = up.current_main_frame;

plugins/python/uwsgi_python.h

@@ -29,6 +29,10 @@
 #  define UWSGI_PY313
 #endif
 
+#if (PY_VERSION_HEX >= 0x030e0000)
+#  define UWSGI_PY314
+#endif
+
 #if PY_MAJOR_VERSION == 2 && PY_MINOR_VERSION < 7
 #define HAS_NOT_PyMemoryView_FromBuffer
 #endif
@@ -172,7 +176,13 @@ struct uwsgi_python {
 
 	char *callable;
 
-#ifdef UWSGI_PY313
+#ifdef UWSGI_PY314
+	int *current_py_recursion_remaining;
+	struct _PyInterpreterFrame **current_frame;
+
+	int current_main_py_recursion_remaining;
+	struct _PyInterpreterFrame *current_main_frame;
+#elif defined UWSGI_PY313
 	int *current_c_recursion_remaining;
 	int *current_py_recursion_remaining;
 	struct _PyInterpreterFrame **current_frame;