diff PyFeature.cpp @ 31:4f1894c7591b vampy2

Created Vampy2 branch

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PyFeature.cpp	Sun Sep 20 17:31:20 2009 +0000
@@ -0,0 +1,189 @@
+#include <Python.h>
+#include "PyExtensionModule.h"
+#include "PyFeature.h"
+#include "vamp-sdk/Plugin.h"
+#include <string>
+/*#include "PyTypeInterface.h"*/
+
+using namespace std;
+using namespace Vamp;
+using Vamp::Plugin;
+
+/*					 Feature Object's Methods 					*/ 
+//Feature objects have no callable methods
+
+/*		   PyFeature methods implementing protocols 		   	   */ 
+// these functions are called by the interpreter automatically
+
+
+/* Function to set basic attributes 
+static int
+Feature_setattr(FeatureObject *self, char *name, PyObject *value)
+{
+	std::string key = std::string(name);
+	if (self->ti.SetValue(*(self->feature),key,value)) return 0;
+	else return -1;
+}*/
+
+/* Function to get basic attributes 
+static PyObject *
+Feature_getattr(FeatureObject *self, char *name)
+{
+	std::string key = std::string(name);
+	PyObject* pyValue;
+	if (self->ti.GetValue(*(self->feature),key,pyValue)) 
+		return pyValue;
+	else return NULL;
+}*/
+
+/* Set attributes */
+static int
+Feature_setattr(FeatureObject *self, char *name, PyObject *v)
+{
+	if (v == NULL) {
+		int rv = PyDict_DelItemString(self->dict, name);
+		if (rv < 0)
+			PyErr_SetString(PyExc_AttributeError,"non-existing Feature attribute");
+		return rv;
+	}
+	else
+		return PyDict_SetItemString(self->dict, name, v);
+}
+
+
+/* Get attributes */
+static PyObject *
+Feature_getattr(FeatureObject *self, char *name)
+{
+	if (self->dict != NULL) {
+		PyObject *v = PyDict_GetItemString(self->dict, name);
+		if (v != NULL) 
+		{
+			Py_INCREF(v);
+			return v;
+		}
+	}
+	return NULL;
+}
+
+/* New Feature object */
+static PyObject *
+Feature_new(PyTypeObject *type, PyObject *args, PyObject *kw)
+{
+	/// TODO support kwargs e.g. Feature(values = val, timestamp = ts)
+	cerr << "FeatureObject new method called" << endl;
+	if (!PyArg_ParseTuple(args, ":Feature")) { 
+		PyErr_SetString(PyExc_TypeError, 
+		"Error: Feature initialised with arguments.");
+		return NULL; 
+	}
+	FeatureObject *self = (FeatureObject*)type->tp_alloc(type, 0);
+	// FeatureObject *self = PyObject_New(FeatureObject, &Feature_Type); 
+	if (self == NULL) return NULL;
+    self->dict = PyDict_New();
+	if (self->dict == NULL) return NULL;
+	return (PyObject *) self;
+}
+
+/* DESTRUCTOR: delete type object */
+static void
+FeatureObject_dealloc(FeatureObject *self)
+{
+	Py_XDECREF(self->dict);
+	// delete self->feature; 	//delete the C object
+	// PyObject_Del(self); //delete the Python object
+	self->ob_type->tp_free((PyObject*)self);
+	cerr << "Feature object deallocated." << endl;
+}
+
+
+static int
+Feature_init(FeatureObject *self, PyObject *args, PyObject *kwds)
+{
+	cerr << "FeatureObject Init called" << endl;
+	return 0;
+}
+
+PyObject*
+Feature_test(PyObject *self, PyObject *args, PyObject *kwds)
+{
+	cerr << "FeatureObject TEST called" << endl;
+	return self;
+}
+
+
+/* String representation */
+static PyObject *
+Feature_repr(PyObject *self)
+{
+	// if (PyFeature_CheckExact(self)) {}
+	// PyObject* intdict = self
+	return Py_BuildValue("s",
+		"not yet implemented");
+	// ((RealTimeObject*)self)->rt->toString().c_str());
+}
+
+#define Feature_alloc PyType_GenericAlloc
+#define Feature_free PyObject_Del
+
+
+/*						FEATURE TYPE OBJECT						*/
+
+PyTypeObject Feature_Type = {
+	PyObject_HEAD_INIT(NULL)
+	0,						/*ob_size*/
+	"vampy.Feature",		/*tp_name*/
+	sizeof(FeatureObject),	/*tp_basicsize*/
+	0,						/*tp_itemsize*/
+	(destructor)FeatureObject_dealloc, /*tp_dealloc*/
+	0,						/*tp_print*/
+	(getattrfunc)Feature_getattr, /*tp_getattr*/
+	(setattrfunc)Feature_setattr, /*tp_setattr*/
+	0,						/*tp_compare*/
+	Feature_repr,			/*tp_repr*/
+	0,						/*tp_as_number*/
+	0,						/*tp_as_sequence*/
+	0,						/*tp_as_mapping*/
+	0,						/*tp_hash*/
+	Feature_test,           /*tp_call*/ // call on an instance
+    0,                      /*tp_str*/
+    0,                      /*tp_getattro*/
+    0,                      /*tp_setattro*/
+    0,                      /*tp_as_buffer*/
+    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,     /*tp_flags*/
+    0,                      /*tp_doc*/
+    0,                      /*tp_traverse*/
+    0,                      /*tp_clear*/
+    0,                      /*tp_richcompare*/
+    0,                      /*tp_weaklistoffset*/
+    0,                      /*tp_iter*/
+    0,                      /*tp_iternext*/
+    0,				        /*tp_methods*/ //TypeObject Methods
+    0,                      /*tp_members*/
+    0,                      /*tp_getset*/
+    0,                      /*tp_base*/
+    0,                      /*tp_dict*/
+    0,                      /*tp_descr_get*/
+    0,                      /*tp_descr_set*/
+    0,                      /*tp_dictoffset*/
+    0,//(initproc)Feature_init, /*tp_init*/
+    Feature_alloc,          /*tp_alloc*/
+    Feature_new,            /*tp_new*/
+    Feature_free,			/*tp_free*/
+    0,                      /*tp_is_gc*/
+};
+
+/*		  		 	  PyRealTime C++ API  	  		  				*/
+
+/*Feature* from PyFeature
+const Vamp::Plugin::Feature*
+PyFeature_AsFeature (PyObject *self) { 
+
+	FeatureObject *s = (FeatureObject*) self; 
+
+	if (!PyFeature_Check(s)) {
+		PyErr_SetString(PyExc_TypeError, "Feature Object Expected.");
+		cerr << "in call PyFeature_AsPointer(): Feature Object Expected. " << endl;
+		return NULL; }
+	return s->feature; 
+};*/