1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
/*
* ***** BEGIN GPL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
/** \file blender/python/intern/bpy_operator_wrap.c
* \ingroup pythonintern
*
* This file is so python can define operators that C can call into.
* The generic callback functions for python operators are defines in
* 'rna_wm.c', some calling into functions here to do python specific
* functionality.
*/
#include <Python.h>
#include "BLI_utildefines.h"
#include "WM_api.h"
#include "WM_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "bpy_rna.h"
#include "bpy_intern_string.h"
#include "bpy_operator_wrap.h" /* own include */
static void operator_properties_init(wmOperatorType *ot)
{
PyTypeObject *py_class = ot->ext.data;
RNA_struct_blender_type_set(ot->ext.srna, ot);
/* only call this so pyrna_deferred_register_class gives a useful error
* WM_operatortype_append_ptr will call RNA_def_struct_identifier
* later */
RNA_def_struct_identifier(ot->srna, ot->idname);
if (pyrna_deferred_register_class(ot->srna, py_class) != 0) {
PyErr_Print(); /* failed to register operator props */
PyErr_Clear();
}
/* set the default property: ot->prop */
{
/* picky developers will notice that 'bl_property' won't work with inheritance
* get direct from the dict to avoid raising a load of attribute errors (yes this isnt ideal) - campbell */
PyObject *py_class_dict = py_class->tp_dict;
PyObject *bl_property = PyDict_GetItem(py_class_dict, bpy_intern_str_bl_property);
const char *prop_id;
bool prop_raise_error;
if (bl_property) {
if (PyUnicode_Check(bl_property)) {
/* since the property is explicitly given, raise an error if its not found */
prop_id = _PyUnicode_AsString(bl_property);
prop_raise_error = true;
}
else {
PyErr_Format(PyExc_ValueError,
"%.200s.bl_property should be a string, not %.200s",
ot->idname, Py_TYPE(bl_property)->tp_name);
/* this could be done cleaner, for now its OK */
PyErr_Print();
PyErr_Clear();
prop_id = NULL;
prop_raise_error = false;
}
}
else {
/* fallback to hard-coded string (pre 2.66, could be deprecated) */
prop_id = "type";
prop_raise_error = false;
}
if (prop_id) {
PointerRNA ptr;
PropertyRNA *prop;
RNA_pointer_create(NULL, ot->srna, NULL, &ptr);
prop = RNA_struct_find_property(&ptr, prop_id);
if (prop) {
ot->prop = prop;
}
else {
if (prop_raise_error) {
PyErr_Format(PyExc_ValueError,
"%.200s.bl_property '%.200s' not found",
ot->idname, prop_id);
/* this could be done cleaner, for now its OK */
PyErr_Print();
PyErr_Clear();
}
}
}
}
/* end 'ot->prop' assignment */
}
void BPY_RNA_operator_wrapper(wmOperatorType *ot, void *userdata)
{
/* take care not to overwrite anything set in
* WM_operatortype_append_ptr before opfunc() is called */
StructRNA *srna = ot->srna;
*ot = *((wmOperatorType *)userdata);
ot->srna = srna; /* restore */
/* Use i18n context from ext.srna if possible (py operators). */
if (ot->ext.srna) {
RNA_def_struct_translation_context(ot->srna, RNA_struct_translation_context(ot->ext.srna));
}
operator_properties_init(ot);
}
void BPY_RNA_operator_macro_wrapper(wmOperatorType *ot, void *userdata)
{
wmOperatorType *data = (wmOperatorType *)userdata;
/* only copy a couple of things, the rest is set by the macro registration */
ot->name = data->name;
ot->idname = data->idname;
ot->description = data->description;
ot->flag |= data->flag; /* append flags to the one set by registration */
ot->pyop_poll = data->pyop_poll;
ot->ui = data->ui;
ot->ext = data->ext;
/* Use i18n context from ext.srna if possible (py operators). */
if (ot->ext.srna) {
RNA_def_struct_translation_context(ot->srna, RNA_struct_translation_context(ot->ext.srna));
}
operator_properties_init(ot);
}
PyObject *PYOP_wrap_macro_define(PyObject *UNUSED(self), PyObject *args)
{
wmOperatorType *ot;
wmOperatorTypeMacro *otmacro;
PyObject *macro;
PointerRNA ptr_otmacro;
StructRNA *srna;
const char *opname;
const char *macroname;
if (!PyArg_ParseTuple(args, "Os:_bpy.ops.macro_define", ¯o, &opname))
return NULL;
if (WM_operatortype_find(opname, true) == NULL) {
PyErr_Format(PyExc_ValueError,
"Macro Define: '%s' is not a valid operator id",
opname);
return NULL;
}
/* identifiers */
srna = pyrna_struct_as_srna((PyObject *)macro, false, "Macro Define:");
if (srna == NULL) {
return NULL;
}
macroname = RNA_struct_identifier(srna);
ot = WM_operatortype_find(macroname, true);
if (!ot) {
PyErr_Format(PyExc_ValueError,
"Macro Define: '%s' is not a valid macro",
macroname);
return NULL;
}
otmacro = WM_operatortype_macro_define(ot, opname);
RNA_pointer_create(NULL, &RNA_OperatorMacro, otmacro, &ptr_otmacro);
return pyrna_struct_CreatePyObject(&ptr_otmacro);
}
|
