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[collectd.git] / src / cpython.h

diff --git a/src/cpython.h b/src/cpython.h
index 001a3ae..4b8aa72 100644 (file)
--- a/src/cpython.h
+++ b/src/cpython.h
@@ -24,6 +24,10 @@
  *   Sven Trenkel <collectd at semidefinite.de>  
  **/
 
+/* Some python versions don't include this by default. */
+
+#include <longintrepr.h>
+
 /* These two macros are basicly Py_BEGIN_ALLOW_THREADS and Py_BEGIN_ALLOW_THREADS
  * from the other direction. If a Python thread calls a C function
  * Py_BEGIN_ALLOW_THREADS is used to allow other python threads to run because
@@ -74,6 +78,20 @@
 # define Py_RETURN_NONE return Py_INCREF(Py_None), Py_None
 #endif
 
+/* This macro is a shortcut for calls like
+ * x = PyObject_Repr(x);
+ * This can't be done like this example because this would leak
+ * a reference the the original x and crash in case of x == NULL.
+ * This calling syntax is less than elegant but it works, saves
+ * a lot of lines and avoids potential refcount errors. */
+
+#define CPY_SUBSTITUTE(func, a, ...) do {\
+       if ((a) != NULL) {\
+               PyObject *__tmp = (a);\
+               (a) = func(__VA_ARGS__);\
+               Py_DECREF(__tmp);\
+       }\
+} while(0)
 
 /* Python3 compatibility layer. To keep the actual code as clean as possible
  * do a lot of defines here. */
@@ -87,12 +105,26 @@
 #define PyInt_FromLong PyLong_FromLong
 #define CPY_INIT_TYPE         PyVarObject_HEAD_INIT(NULL, 0)
 #define IS_BYTES_OR_UNICODE(o) (PyUnicode_Check(o) || PyBytes_Check(o))
-#define CPY_STRCAT PyUnicode_Concat
+#define CPY_STRCAT_AND_DEL(a, b) do {\
+       CPY_STRCAT((a), (b));\
+       Py_XDECREF((b));\
+} while (0)
+static inline void CPY_STRCAT(PyObject **a, PyObject *b) {
+       PyObject *ret;
+       
+       if (!a || !*a)
+               return;
+       
+       ret = PyUnicode_Concat(*a, b);
+       Py_DECREF(*a);
+       *a = ret;
+}
 
 #else
 
 #define CPY_INIT_TYPE         PyObject_HEAD_INIT(NULL) 0,
 #define IS_BYTES_OR_UNICODE(o) (PyUnicode_Check(o) || PyString_Check(o))
+#define CPY_STRCAT_AND_DEL PyString_ConcatAndDel
 #define CPY_STRCAT PyString_Concat
 
 #endif
@@ -106,7 +138,11 @@ static inline const char *cpy_unicode_or_bytes_to_string(PyObject **o) {
                Py_DECREF(*o);
                *o = tmp;
        }
+#ifdef IS_PY3K
        return PyBytes_AsString(*o);
+#else
+       return PyString_AsString(*o);
+#endif
 }
 
 static inline PyObject *cpy_string_to_unicode_or_bytes(const char *buf) {
@@ -117,11 +153,15 @@ static inline PyObject *cpy_string_to_unicode_or_bytes(const char *buf) {
        if (ret != NULL)
                return ret;
        PyErr_Clear();
-#endif 
        return PyBytes_FromString(buf);
+#else
+       return PyString_FromString(buf);
+#endif 
 }
 
- /* Python object declarations. */
+void cpy_log_exception(const char *context);
+
+/* Python object declarations. */
 
 typedef struct {
        PyObject_HEAD        /* No semicolon! */
@@ -130,7 +170,6 @@ typedef struct {
        PyObject *values;    /* Sequence */
        PyObject *children;  /* Sequence */
 } Config;
-
 PyTypeObject ConfigType;
 
 typedef struct {
@@ -142,21 +181,29 @@ typedef struct {
        char type[DATA_MAX_NAME_LEN];
        char type_instance[DATA_MAX_NAME_LEN];
 } PluginData;
-
 PyTypeObject PluginDataType;
+#define PluginData_New() PyObject_CallFunctionObjArgs((PyObject *) &PluginDataType, (void *) 0)
 
 typedef struct {
        PluginData data;
        PyObject *values;    /* Sequence */
-       int interval;
+       PyObject *meta;      /* dict */
+       double interval;
 } Values;
-
 PyTypeObject ValuesType;
+#define Values_New() PyObject_CallFunctionObjArgs((PyObject *) &ValuesType, (void *) 0)
 
 typedef struct {
        PluginData data;
        int severity;
        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;
+