From 23308534a393a9186e1d64a9c0a6a82086cb0a57 Mon Sep 17 00:00:00 2001
From: Sven Trenkel <collectd@semidefinite.de>
Date: Wed, 16 Jun 2010 14:01:18 +0200
Subject: [PATCH] python plugin: Switch back to calling the type object to
 create a new object like in collectd-4.9. PyObject_New should not be used.
 This should fix a compile problem with some versions of Python.

---
 src/cpython.h |  4 ++++
 src/python.c  | 16 ++++++++++------
 2 files changed, 14 insertions(+), 6 deletions(-)

diff --git a/src/cpython.h b/src/cpython.h
index 2a14ce07..46e2301a 100644
--- a/src/cpython.h
+++ b/src/cpython.h
@@ -182,6 +182,7 @@ typedef struct {
 	char type_instance[DATA_MAX_NAME_LEN];
 } PluginData;
 PyTypeObject PluginDataType;
+#define PluginData_New() PyObject_CallFunctionObjArgs((PyObject *) &PluginDataType, (void *) 0)
 
 typedef struct {
 	PluginData data;
@@ -190,6 +191,7 @@ typedef struct {
 	int interval;
 } Values;
 PyTypeObject ValuesType;
+#define Values_New() PyObject_CallFunctionObjArgs((PyObject *) &ValuesType, (void *) 0)
 
 typedef struct {
 	PluginData data;
@@ -197,9 +199,11 @@ typedef struct {
 	char message[NOTIF_MAX_MSG_LEN];
 } Notification;
 PyTypeObject NotificationType;
+#define Notification_New() PyObject_CallFunctionObjArgs((PyObject *) &NotificationType, (void *) 0)
 
 typedef PyLongObject Signed;
 PyTypeObject SignedType;
 
 typedef PyLongObject Unsigned;
 PyTypeObject UnsignedType;
+
diff --git a/src/python.c b/src/python.c
index 6be727ef..8772cd1f 100644
--- a/src/python.c
+++ b/src/python.c
@@ -335,7 +335,7 @@ static int cpy_read_callback(user_data_t *data) {
 static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_list, user_data_t *data) {
 	int i;
 	cpy_callback_t *c = data->data;
-	PyObject *ret, *list, *temp, *dict = NULL;
+	PyObject *ret, *list, *temp, *dict = NULL, *val;
 	Values *v;
 
 	CPY_LOCK_THREADS
@@ -428,7 +428,8 @@ static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_li
 			}
 			free(table);
 		}
-		v = PyObject_New(Values, (void *) &ValuesType); /* New reference. */
+		val = Values_New(); /* New reference. */
+		v = (Values *) val; 
 		sstrncpy(v->data.host, value_list->host, sizeof(v->data.host));
 		sstrncpy(v->data.type, value_list->type, sizeof(v->data.type));
 		sstrncpy(v->data.type_instance, value_list->type_instance, sizeof(v->data.type_instance));
@@ -436,10 +437,12 @@ static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_li
 		sstrncpy(v->data.plugin_instance, value_list->plugin_instance, sizeof(v->data.plugin_instance));
 		v->data.time = value_list->time;
 		v->interval = value_list->interval;
+		Py_CLEAR(v->values);
 		v->values = list;
+		Py_CLEAR(v->meta);
 		v->meta = dict;
 		ret = PyObject_CallFunctionObjArgs(c->callback, v, c->data, (void *) 0); /* New reference. */
-		Py_XDECREF(v);
+		Py_XDECREF(val);
 		if (ret == NULL) {
 			cpy_log_exception("write callback");
 		} else {
@@ -451,11 +454,12 @@ static int cpy_write_callback(const data_set_t *ds, const value_list_t *value_li
 
 static int cpy_notification_callback(const notification_t *notification, user_data_t *data) {
 	cpy_callback_t *c = data->data;
-	PyObject *ret;
+	PyObject *ret, *notify;
 	Notification *n;
 
 	CPY_LOCK_THREADS
-		n = PyObject_New(Notification, (void *) &NotificationType); /* New reference. */
+		notify = Notification_New(); /* New reference. */
+		n = (Notification *) notify;
 		sstrncpy(n->data.host, notification->host, sizeof(n->data.host));
 		sstrncpy(n->data.type, notification->type, sizeof(n->data.type));
 		sstrncpy(n->data.type_instance, notification->type_instance, sizeof(n->data.type_instance));
@@ -465,7 +469,7 @@ static int cpy_notification_callback(const notification_t *notification, user_da
 		sstrncpy(n->message, notification->message, sizeof(n->message));
 		n->severity = notification->severity;
 		ret = PyObject_CallFunctionObjArgs(c->callback, n, c->data, (void *) 0); /* New reference. */
-		Py_XDECREF(n);
+		Py_XDECREF(notify);
 		if (ret == NULL) {
 			cpy_log_exception("notification callback");
 		} else {
-- 
2.30.2