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comparison PyParameterDescriptor.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 "PyParameterDescriptor.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 /* ParameterDescriptor Object's Methods */
23 //these objects have no callable methods
24
25 /* PyParameterDescriptor methods implementing protocols */
26 // these functions are called by the interpreter automatically
27
28 /* New ParameterDescriptor object */
29 static PyObject *
30 ParameterDescriptor_new(PyTypeObject *type, PyObject *args, PyObject *kw)
31 {
32
33 ParameterDescriptorObject *self =
34 (ParameterDescriptorObject*)type->tp_alloc(type, 0);
35
36 if (self == NULL) return NULL;
37 self->dict = PyDict_New();
38 if (self->dict == NULL) return NULL;
39
40 /// allow copying objects
41 if (args and PyTuple_Size(args) == 1) {
42 PyObject* arg = PyTuple_GET_ITEM(args,0);
43 if (PyParameterDescriptor_CheckExact(arg))
44 PyDict_Merge(self->dict,PyParameterDescriptor_AS_DICT(arg),0);
45 else if (PyDict_CheckExact(arg))
46 PyDict_Merge(self->dict,arg,0);
47 else {
48 PyErr_SetString(PyExc_TypeError,
49 "Object takes zero or one ParameterDescriptor or dictionary arguments.");
50 return NULL;
51 }
52 }
53 return (PyObject *) self;
54 }
55
56
57 /* DESTRUCTOR: delete type object */
58 static void
59 ParameterDescriptorObject_dealloc(ParameterDescriptorObject *self)
60 {
61 Py_XDECREF(self->dict);
62 PyObject_Del(self);
63 }
64
65
66 /* Set attributes */
67 static int
68 ParameterDescriptor_setattr(ParameterDescriptorObject *self, char *name, PyObject *v)
69 {
70 if (v == NULL) {
71 int rv = PyDict_DelItemString(self->dict, name);
72 if (rv < 0)
73 PyErr_SetString(PyExc_AttributeError,"non-existing ParameterDescriptor attribute");
74 return rv;
75 }
76 else
77 return PyDict_SetItemString(self->dict, name, v);
78 }
79
80
81 /* Get attributes */
82 static PyObject *
83 ParameterDescriptor_getattr(ParameterDescriptorObject *self, char *name)
84 {
85 if (self->dict != NULL) {
86 PyObject *v = PyDict_GetItemString(self->dict, name);
87 if (v != NULL)
88 {
89 Py_INCREF(v);
90 return v;
91 }
92 }
93 return NULL;
94 }
95
96
97 /* String representation */
98 static PyObject *
99 ParameterDescriptor_repr(PyObject *self)
100 {
101 ParameterDescriptorObject* v = (ParameterDescriptorObject*)self;
102 if (v->dict) return PyDict_Type.tp_repr((PyObject *)v->dict);
103 else return PyString_FromString("ParameterDescriptor()");
104 }
105
106 #define ParameterDescriptor_alloc PyType_GenericAlloc
107 #define ParameterDescriptor_free PyObject_Del
108
109 PyTypeObject ParameterDescriptor_Type = {
110 PyObject_HEAD_INIT(NULL)
111 0, /*ob_size*/
112 "vampy.ParameterDescriptor",/*tp_name*/
113 sizeof(ParameterDescriptorObject), /*tp_basicsize*/
114 0, /*tp_itemsize*/
115 (destructor)ParameterDescriptorObject_dealloc, /*tp_dealloc*/
116 0, /*tp_print*/
117 (getattrfunc)ParameterDescriptor_getattr, /*tp_getattr*/
118 (setattrfunc)ParameterDescriptor_setattr, /*tp_setattr*/
119 0, /*tp_compare*/
120 ParameterDescriptor_repr, /*tp_repr*/
121 0, /*tp_as_number*/
122 0, /*tp_as_sequence*/
123 0, /*tp_as_mapping*/
124 0, /*tp_hash*/
125 0, /*tp_call*/
126 0, /*tp_str*/
127 0, /*tp_getattro*/
128 0, /*tp_setattro*/
129 0, /*tp_as_buffer*/
130 Py_TPFLAGS_DEFAULT, /*tp_flags*/
131 0, /*tp_doc*/
132 0, /*tp_traverse*/
133 0, /*tp_clear*/
134 0, /*tp_richcompare*/
135 0, /*tp_weaklistoffset*/
136 0, /*tp_iter*/
137 0, /*tp_iternext*/
138 0, /*tp_methods*/ //TypeObject Methods
139 0, /*tp_members*/
140 0, /*tp_getset*/
141 0, /*tp_base*/
142 0, /*tp_dict*/
143 0, /*tp_descr_get*/
144 0, /*tp_descr_set*/
145 0, /*tp_dictoffset*/
146 0, /*tp_init*/
147 ParameterDescriptor_alloc,/*tp_alloc*/
148 ParameterDescriptor_new,/*tp_new*/
149 ParameterDescriptor_free,/*tp_free*/
150 0, /*tp_is_gc*/
151 };
152
153 /* PyParameterDescriptor C++ API */
154