annotate PyOutputDescriptor.cpp @ 35:2ba482378038 vampy2

* Fix compile error with VC++.  I am totally at a loss to explain
  why this should have compiled with any other compiler!
* Update VC project file.
This code does now build with VC++ without HAVE_NUMPY -- I haven't
installed Numpy yet

#include <Python.h>
#include "PyOutputDescriptor.h"
#include "vamp-sdk/Plugin.h"
#include <string>
#include "PyTypeInterface.h"

using namespace std;
using namespace Vamp;
using Vamp::Plugin;

/*			 OutputDescriptor Object's Methods 					*/ 
//Feature objects have no callable methods

/*		   PyOutputDescriptor methods implementing protocols   	*/ 
// these functions are called by the interpreter automatically

/* New OutputDescriptor object */ 
static PyObject *
OutputDescriptor_new(PyTypeObject *type, PyObject *args, PyObject *kw)
{

    if (!PyArg_ParseTuple(args, ":OutputDescriptor")) { 
		PyErr_SetString(PyExc_TypeError, 
		"Error: OutputDescriptor initialised with arguments.");
		return NULL; 
	  }

	OutputDescriptorObject *self = 
	(OutputDescriptorObject*)type->tp_alloc(type, 0);
	
	if (self == NULL) return NULL;
    self->dict = PyDict_New();
	if (self->dict == NULL) return NULL;
	return (PyObject *) self;
}


/* DESTRUCTOR: delete type object */
static void
OutputDescriptorObject_dealloc(OutputDescriptorObject *self)
{
	Py_XDECREF(self->dict);
	PyObject_Del(self);
}


/* Set attributes */
static int
OutputDescriptor_setattr(OutputDescriptorObject *self, char *name, PyObject *v)
{
	if (v == NULL) {
		int rv = PyDict_DelItemString(self->dict, name);
		if (rv < 0)
			PyErr_SetString(PyExc_AttributeError,"non-existing OutputDescriptor attribute");
		return rv;
	}
	else
		return PyDict_SetItemString(self->dict, name, v);
}


/* Get attributes */
static PyObject *
OutputDescriptor_getattr(OutputDescriptorObject *self, char *name)
{
	if (self->dict != NULL) {
		PyObject *v = PyDict_GetItemString(self->dict, name);
		if (v != NULL) 
		{
			Py_INCREF(v);
			return v;
		}
	}
	return NULL;
}


/* String representation */
static PyObject *
OutputDescriptor_repr(PyObject *self)
{
	// if (PyFeature_CheckExact(self)) {}
	// PyObject* intdict = self
	return Py_BuildValue("s",
		"not yet implemented");
	// ((RealTimeObject*)self)->rt->toString().c_str());
}

#define OutputDescriptor_alloc PyType_GenericAlloc
#define OutputDescriptor_free PyObject_Del


/*						REAL-TIME TYPE OBJECT						*/

PyTypeObject OutputDescriptor_Type = {
	PyObject_HEAD_INIT(NULL)
	0,						/*ob_size*/
	"vampy.OutputDescriptor",/*tp_name*/
	sizeof(OutputDescriptorObject),	/*tp_basicsize*/
	0,						/*tp_itemsize*/
	(destructor)OutputDescriptorObject_dealloc, /*tp_dealloc*/
	0,						/*tp_print*/
	(getattrfunc)OutputDescriptor_getattr, /*tp_getattr*/
	(setattrfunc)OutputDescriptor_setattr, /*tp_setattr*/
	0,						/*tp_compare*/
	OutputDescriptor_repr,	/*tp_repr*/
	0,						/*tp_as_number*/
	0,						/*tp_as_sequence*/
	0,						/*tp_as_mapping*/
	0,						/*tp_hash*/
	0,                      /*tp_call*/
    0,                      /*tp_str*/
    0,                      /*tp_getattro*/
    0,                      /*tp_setattro*/
    0,                      /*tp_as_buffer*/
    Py_TPFLAGS_DEFAULT,     /*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,                      /*tp_init*/
    OutputDescriptor_alloc, /*tp_alloc*/
    OutputDescriptor_new,   /*tp_new*/
    OutputDescriptor_free,	/*tp_free*/
    0,                      /*tp_is_gc*/
};

/*		  		 	  PyOutputDescriptor C++ API    				*/