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comparison PyOutputDescriptor.cpp @ 37:27bab3a16c9a vampy2final

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new branch Vampy2final
author fazekasgy
date Mon, 05 Oct 2009 11:28:00 +0000
parents
children af9c4cee95a8
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-1:000000000000 37:27bab3a16c9a
1 /*
2
3 * Vampy : This plugin is a wrapper around the Vamp plugin API.
4 * It allows for writing Vamp plugins in Python.
5
6 * Centre for Digital Music, Queen Mary University of London.
7 * Copyright (C) 2008-2009 Gyorgy Fazekas, QMUL. (See Vamp sources
8 * for licence information.)
9
10 */
11
12 #include <Python.h>
13 #include "PyOutputDescriptor.h"
14 #include "vamp-sdk/Plugin.h"
15 #include <string>
16 #include "PyTypeInterface.h"
17
18 using namespace std;
19 using namespace Vamp;
20 using Vamp::Plugin;
21
22 /* OutputDescriptor Object's Methods */
23 //these objects have no callable methods
24
25 /* PyOutputDescriptor methods implementing protocols */
26 // these functions are called by the interpreter automatically
27
28 /* New OutputDescriptor object */
29 static PyObject *
30 OutputDescriptor_new(PyTypeObject *type, PyObject *args, PyObject *kw)
31 {
32 OutputDescriptorObject *self =
33 (OutputDescriptorObject*)type->tp_alloc(type, 0);
34
35 if (self == NULL) return NULL;
36 self->dict = PyDict_New();
37 if (self->dict == NULL) return NULL;
38
39 /// allow copying objects
40 if (args and PyTuple_Size(args) == 1) {
41 PyObject* arg = PyTuple_GET_ITEM(args,0);
42 if (PyOutputDescriptor_CheckExact(arg))
43 PyDict_Merge(self->dict,PyOutputDescriptor_AS_DICT(arg),0);
44 else if (PyDict_CheckExact(arg))
45 PyDict_Merge(self->dict,arg,0);
46 else {
47 PyErr_SetString(PyExc_TypeError,
48 "OutputDescriptor takes zero or one PyOutputDescriptor or dictionary arguments.");
49 return NULL;
50 }
51 }
52 return (PyObject *) self;
53 }
54
55
56 /* DESTRUCTOR: delete type object */
57 static void
58 OutputDescriptorObject_dealloc(OutputDescriptorObject *self)
59 {
60 Py_XDECREF(self->dict);
61 PyObject_Del(self);
62 }
63
64
65 /* Set attributes */
66 static int
67 OutputDescriptor_setattr(OutputDescriptorObject *self, char *name, PyObject *v)
68 {
69 if (v == NULL) {
70 int rv = PyDict_DelItemString(self->dict, name);
71 if (rv < 0)
72 PyErr_SetString(PyExc_AttributeError,"non-existing OutputDescriptor attribute");
73 return rv;
74 }
75 else
76 return PyDict_SetItemString(self->dict, name, v);
77 }
78
79
80 /* Get attributes */
81 static PyObject *
82 OutputDescriptor_getattr(OutputDescriptorObject *self, char *name)
83 {
84 if (self->dict != NULL) {
85 PyObject *v = PyDict_GetItemString(self->dict, name);
86 if (v != NULL)
87 {
88 Py_INCREF(v);
89 return v;
90 }
91 }
92 return NULL;
93 }
94
95
96 /* String representation */
97 static PyObject *
98 OutputDescriptor_repr(PyObject *self)
99 {
100 OutputDescriptorObject* v = (OutputDescriptorObject*)self;
101 if (v->dict) return PyDict_Type.tp_repr((PyObject *)v->dict);
102 else return PyString_FromString("OutputDescriptor()");
103 }
104
105 #define OutputDescriptor_alloc PyType_GenericAlloc
106 #define OutputDescriptor_free PyObject_Del
107
108
109 /* REAL-TIME TYPE OBJECT */
110
111 PyTypeObject OutputDescriptor_Type = {
112 PyObject_HEAD_INIT(NULL)
113 0, /*ob_size*/
114 "vampy.OutputDescriptor",/*tp_name*/
115 sizeof(OutputDescriptorObject), /*tp_basicsize*/
116 0, /*tp_itemsize*/
117 (destructor)OutputDescriptorObject_dealloc, /*tp_dealloc*/
118 0, /*tp_print*/
119 (getattrfunc)OutputDescriptor_getattr, /*tp_getattr*/
120 (setattrfunc)OutputDescriptor_setattr, /*tp_setattr*/
121 0, /*tp_compare*/
122 OutputDescriptor_repr, /*tp_repr*/
123 0, /*tp_as_number*/
124 0, /*tp_as_sequence*/
125 0, /*tp_as_mapping*/
126 0, /*tp_hash*/
127 0, /*tp_call*/
128 0, /*tp_str*/
129 0, /*tp_getattro*/
130 0, /*tp_setattro*/
131 0, /*tp_as_buffer*/
132 Py_TPFLAGS_DEFAULT, /*tp_flags*/
133 0, /*tp_doc*/
134 0, /*tp_traverse*/
135 0, /*tp_clear*/
136 0, /*tp_richcompare*/
137 0, /*tp_weaklistoffset*/
138 0, /*tp_iter*/
139 0, /*tp_iternext*/
140 0, /*tp_methods*/ //TypeObject Methods
141 0, /*tp_members*/
142 0, /*tp_getset*/
143 0, /*tp_base*/
144 0, /*tp_dict*/
145 0, /*tp_descr_get*/
146 0, /*tp_descr_set*/
147 0, /*tp_dictoffset*/
148 0, /*tp_init*/
149 OutputDescriptor_alloc, /*tp_alloc*/
150 OutputDescriptor_new, /*tp_new*/
151 OutputDescriptor_free, /*tp_free*/
152 0, /*tp_is_gc*/
153 };
154
155 /* PyOutputDescriptor C++ API */
156