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/**
* $Id$
*
* ***** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* Contributor(s): Campbell Barton
*
* ***** END GPL LICENSE BLOCK *****
*/
#include "bpy_operator.h"
#include "bpy_operator_wrap.h"
#include "bpy_rna.h" /* for setting arg props only - pyrna_py_to_prop() */
#include "bpy_compat.h"
//#include "blendef.h"
#include "BLI_dynstr.h"
#include "WM_api.h"
#include "WM_types.h"
#include "MEM_guardedalloc.h"
//#include "BKE_idprop.h"
#include "BKE_report.h"
extern ListBase global_ops; /* evil, temp use */
/* This function is only used by operators right now
* Its used for taking keyword args and filling in property values */
int PYOP_props_from_dict(PointerRNA *ptr, PyObject *kw)
{
int error_val = 0;
int totkw;
const char *arg_name= NULL;
PyObject *item;
PropertyRNA *prop, *iterprop;
CollectionPropertyIterator iter;
iterprop= RNA_struct_iterator_property(ptr);
RNA_property_collection_begin(ptr, iterprop, &iter);
totkw = kw ? PyDict_Size(kw):0;
for(; iter.valid; RNA_property_collection_next(&iter)) {
prop= iter.ptr.data;
arg_name= RNA_property_identifier(&iter.ptr, prop);
if (strcmp(arg_name, "rna_type")==0) continue;
if (kw==NULL) {
PyErr_Format( PyExc_AttributeError, "no args, expected \"%s\"", arg_name ? arg_name : "<UNKNOWN>");
error_val= -1;
break;
}
item= PyDict_GetItemString(kw, arg_name);
if (item == NULL) {
PyErr_Format( PyExc_AttributeError, "argument \"%s\" missing", arg_name ? arg_name : "<UNKNOWN>");
error_val = -1; /* pyrna_py_to_prop sets the error */
break;
}
if (pyrna_py_to_prop(ptr, prop, item)) {
error_val= -1;
break;
}
totkw--;
}
RNA_property_collection_end(&iter);
if (error_val==0 && totkw > 0) { /* some keywords were given that were not used :/ */
PyObject *key, *value;
Py_ssize_t pos = 0;
while (PyDict_Next(kw, &pos, &key, &value)) {
arg_name= _PyUnicode_AsString(key);
if (RNA_struct_find_property(ptr, arg_name) == NULL) break;
arg_name= NULL;
}
PyErr_Format( PyExc_AttributeError, "argument \"%s\" unrecognized", arg_name ? arg_name : "<UNKNOWN>");
error_val = -1;
}
return error_val;
}
static PyObject *pyop_base_dir(PyObject *self);
static PyObject *pyop_base_rna(PyObject *self, PyObject *pyname);
static struct PyMethodDef pyop_base_methods[] = {
{"__dir__", (PyCFunction)pyop_base_dir, METH_NOARGS, ""},
{"__rna__", (PyCFunction)pyop_base_rna, METH_O, ""},
{"add", (PyCFunction)PYOP_wrap_add, METH_O, ""},
{"remove", (PyCFunction)PYOP_wrap_remove, METH_O, ""},
{NULL, NULL, 0, NULL}
};
/* 'self' stores the operator string */
static PyObject *pyop_base_call( PyObject * self, PyObject * args, PyObject * kw)
{
wmOperatorType *ot;
int error_val = 0;
PointerRNA ptr;
// XXX Todo, work out a better solution for passing on context, could make a tuple from self and pack the name and Context into it...
bContext *C = (bContext *)PyCObject_AsVoidPtr(PyDict_GetItemString(PyEval_GetGlobals(), "__bpy_context__"));
char *opname = _PyUnicode_AsString(self);
char *report_str= NULL;
if (PyTuple_Size(args)) {
PyErr_SetString( PyExc_AttributeError, "All operator args must be keywords");
return NULL;
}
ot= WM_operatortype_find(opname);
if (ot == NULL) {
PyErr_Format( PyExc_SystemError, "Operator \"%s\"could not be found", opname);
return NULL;
}
if(ot->poll && (ot->poll(C) == 0)) {
PyErr_SetString( PyExc_SystemError, "Operator poll() function failed, context is incorrect");
return NULL;
}
WM_operator_properties_create(&ptr, opname);
error_val= PYOP_props_from_dict(&ptr, kw);
if (error_val==0) {
ReportList reports;
BKE_reports_init(&reports, RPT_STORE);
WM_operator_call_py(C, ot, &ptr, &reports);
report_str= BKE_reports_string(&reports, RPT_ERROR);
if (report_str) {
PyErr_SetString(PyExc_SystemError, report_str);
MEM_freeN(report_str);
error_val = -1;
}
if (reports.list.first)
BKE_reports_clear(&reports);
}
WM_operator_properties_free(&ptr);
#if 0
/* if there is some way to know an operator takes args we should use this */
{
/* no props */
if (kw != NULL) {
PyErr_Format(PyExc_AttributeError, "Operator \"%s\" does not take any args", opname);
return NULL;
}
WM_operator_name_call(C, opname, WM_OP_EXEC_DEFAULT, NULL);
}
#endif
if (error_val==-1) {
return NULL;
}
Py_RETURN_NONE;
}
static PyMethodDef pyop_base_call_meth[] = {
{"__op_call__", (PyCFunction)pyop_base_call, METH_VARARGS|METH_KEYWORDS, "generic operator calling function"}
};
//---------------getattr--------------------------------------------
static PyObject *pyop_base_getattro( BPy_OperatorBase * self, PyObject *pyname )
{
char *name = _PyUnicode_AsString(pyname);
PyObject *ret;
wmOperatorType *ot;
if ((ot= WM_operatortype_find(name))) {
ret = PyCFunction_New( pyop_base_call_meth, pyname); /* set the name string as self, PyCFunction_New incref's self */
}
else if ((ret = PyObject_GenericGetAttr((PyObject *)self, pyname))) {
/* do nothing, this accounts for methoddef's add and remove */
}
else {
PyErr_Format( PyExc_AttributeError, "Operator \"%s\" not found", name);
ret= NULL;
}
return ret;
}
static PyObject *pyop_base_dir(PyObject *self)
{
PyObject *list = PyList_New(0), *name;
wmOperatorType *ot;
PyMethodDef *meth;
for(ot= WM_operatortype_first(); ot; ot= ot->next) {
name = PyUnicode_FromString(ot->idname);
PyList_Append(list, name);
Py_DECREF(name);
}
for(meth=pyop_base_methods; meth->ml_name; meth++) {
name = PyUnicode_FromString(meth->ml_name);
PyList_Append(list, name);
Py_DECREF(name);
}
return list;
}
static PyObject *pyop_base_rna(PyObject *self, PyObject *pyname)
{
char *name = _PyUnicode_AsString(pyname);
wmOperatorType *ot;
if ((ot= WM_operatortype_find(name))) {
BPy_StructRNA *pyrna;
PointerRNA ptr;
/* XXX POINTER - if this 'ot' is python generated, it could be free'd */
RNA_pointer_create(NULL, ot->srna, NULL, &ptr);
pyrna= (BPy_StructRNA *)pyrna_struct_CreatePyObject(&ptr); /* were not really using &ptr, overwite next */
//pyrna->freeptr= 1;
return (PyObject *)pyrna;
}
else {
PyErr_Format(PyExc_AttributeError, "Operator \"%s\" not found", name);
return NULL;
}
}
PyTypeObject pyop_base_Type = {NULL};
PyObject *BPY_operator_module( void )
{
pyop_base_Type.tp_name = "OperatorBase";
pyop_base_Type.tp_basicsize = sizeof( BPy_OperatorBase );
pyop_base_Type.tp_getattro = ( getattrofunc )pyop_base_getattro;
pyop_base_Type.tp_flags = Py_TPFLAGS_DEFAULT;
pyop_base_Type.tp_methods = pyop_base_methods;
if( PyType_Ready( &pyop_base_Type ) < 0 )
return NULL;
//submodule = Py_InitModule3( "operator", M_rna_methods, "rna module" );
return (PyObject *)PyObject_NEW( BPy_OperatorBase, &pyop_base_Type );
}
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