comparison PyFeatureSet.cpp @ 37:27bab3a16c9a vampy2final

new branch Vampy2final

+/*
+
+ * Vampy : This plugin is a wrapper around the Vamp plugin API.
+ * It allows for writing Vamp plugins in Python.
+
+ * Centre for Digital Music, Queen Mary University of London.
+ * Copyright (C) 2008-2009 Gyorgy Fazekas, QMUL. (See Vamp sources 
+ * for licence information.)
+
+*/
+
+#include <Python.h>
+#include "PyFeatureSet.h"
+#include "vamp-sdk/Plugin.h"
+
+using namespace std;
+
+static int
+FeatureSet_init(FeatureSetObject *self, PyObject *args, PyObject *kwds)
+{
+    if (PyDict_Type.tp_init((PyObject *)self, args, kwds) < 0)
+        return -1;
+    return 0;
+}
+
+static int
+FeatureSetObject_ass_sub(FeatureSetObject *mp, PyObject *v, PyObject *w)
+{
+	if (!PyInt_CheckExact(v)) {
+		PyErr_SetString(PyExc_ValueError,
+			"Output index must be positive integer.");
+		return 0;
+	}
+	if (w == NULL)
+		return PyDict_DelItem((PyObject *)mp, v);
+	else
+		return PyDict_SetItem((PyObject *)mp, v, w);
+}
+
+#define FeatureSet_alloc PyType_GenericAlloc
+#define FeatureSet_free PyObject_Del
+//#define FeatureSet_as_mapping PyDict_Type.tp_as_mapping
+
+static PyMappingMethods FeatureSet_as_mapping = *(PyDict_Type.tp_as_mapping);
+
+PyTypeObject FeatureSet_Type = PyDict_Type;
+
+void
+initFeatureSetType(void)
+{
+	/*This type is derived from PyDict. We just override some slots here.*/
+	/*The typical use case is index based assignment as opposed to object memeber access.*/
+	FeatureSet_Type.ob_type = &PyType_Type;
+	FeatureSet_Type.tp_base = &PyDict_Type;
+	FeatureSet_Type.tp_bases = PyTuple_Pack(1, FeatureSet_Type.tp_base);
+	FeatureSet_Type.tp_name = "vampy.FeatureSet";
+	// FeatureSet_Type.tp_new = FeatureSet_new;
+	FeatureSet_Type.tp_init = (initproc)FeatureSet_init;
+	FeatureSet_Type.tp_basicsize = sizeof(FeatureSetObject);
+	FeatureSet_as_mapping.mp_ass_subscript = (objobjargproc)FeatureSetObject_ass_sub;
+	FeatureSet_Type.tp_as_mapping = &FeatureSet_as_mapping;
+}
+