annotate PyFeatureSet.cpp @ 92:a6718f9fe942

If a module appears to redefine one of our own types, refuse to load it. Also clear out the class dict for all refused modules now, so that we don't get stale names on the next scan due to not having cleared the module on unload
author Chris Cannam
date Mon, 14 Jan 2019 16:19:44 +0000
parents 27bab3a16c9a
children
rev   line source
fazekasgy@37 1 /*
fazekasgy@37 2
fazekasgy@37 3 * Vampy : This plugin is a wrapper around the Vamp plugin API.
fazekasgy@37 4 * It allows for writing Vamp plugins in Python.
fazekasgy@37 5
fazekasgy@37 6 * Centre for Digital Music, Queen Mary University of London.
fazekasgy@37 7 * Copyright (C) 2008-2009 Gyorgy Fazekas, QMUL. (See Vamp sources
fazekasgy@37 8 * for licence information.)
fazekasgy@37 9
fazekasgy@37 10 */
fazekasgy@37 11
fazekasgy@37 12 #include <Python.h>
fazekasgy@37 13 #include "PyFeatureSet.h"
fazekasgy@37 14 #include "vamp-sdk/Plugin.h"
fazekasgy@37 15
fazekasgy@37 16 using namespace std;
fazekasgy@37 17
fazekasgy@37 18 static int
fazekasgy@37 19 FeatureSet_init(FeatureSetObject *self, PyObject *args, PyObject *kwds)
fazekasgy@37 20 {
fazekasgy@37 21 if (PyDict_Type.tp_init((PyObject *)self, args, kwds) < 0)
fazekasgy@37 22 return -1;
fazekasgy@37 23 return 0;
fazekasgy@37 24 }
fazekasgy@37 25
fazekasgy@37 26 static int
fazekasgy@37 27 FeatureSetObject_ass_sub(FeatureSetObject *mp, PyObject *v, PyObject *w)
fazekasgy@37 28 {
fazekasgy@37 29 if (!PyInt_CheckExact(v)) {
fazekasgy@37 30 PyErr_SetString(PyExc_ValueError,
fazekasgy@37 31 "Output index must be positive integer.");
fazekasgy@37 32 return 0;
fazekasgy@37 33 }
fazekasgy@37 34 if (w == NULL)
fazekasgy@37 35 return PyDict_DelItem((PyObject *)mp, v);
fazekasgy@37 36 else
fazekasgy@37 37 return PyDict_SetItem((PyObject *)mp, v, w);
fazekasgy@37 38 }
fazekasgy@37 39
fazekasgy@37 40 #define FeatureSet_alloc PyType_GenericAlloc
fazekasgy@37 41 #define FeatureSet_free PyObject_Del
fazekasgy@37 42 //#define FeatureSet_as_mapping PyDict_Type.tp_as_mapping
fazekasgy@37 43
fazekasgy@37 44 static PyMappingMethods FeatureSet_as_mapping = *(PyDict_Type.tp_as_mapping);
fazekasgy@37 45
fazekasgy@37 46 PyTypeObject FeatureSet_Type = PyDict_Type;
fazekasgy@37 47
fazekasgy@37 48 void
fazekasgy@37 49 initFeatureSetType(void)
fazekasgy@37 50 {
fazekasgy@37 51 /*This type is derived from PyDict. We just override some slots here.*/
fazekasgy@37 52 /*The typical use case is index based assignment as opposed to object memeber access.*/
fazekasgy@37 53 FeatureSet_Type.ob_type = &PyType_Type;
fazekasgy@37 54 FeatureSet_Type.tp_base = &PyDict_Type;
fazekasgy@37 55 FeatureSet_Type.tp_bases = PyTuple_Pack(1, FeatureSet_Type.tp_base);
fazekasgy@37 56 FeatureSet_Type.tp_name = "vampy.FeatureSet";
fazekasgy@37 57 // FeatureSet_Type.tp_new = FeatureSet_new;
fazekasgy@37 58 FeatureSet_Type.tp_init = (initproc)FeatureSet_init;
fazekasgy@37 59 FeatureSet_Type.tp_basicsize = sizeof(FeatureSetObject);
fazekasgy@37 60 FeatureSet_as_mapping.mp_ass_subscript = (objobjargproc)FeatureSetObject_ass_sub;
fazekasgy@37 61 FeatureSet_Type.tp_as_mapping = &FeatureSet_as_mapping;
fazekasgy@37 62 }
fazekasgy@37 63