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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_opwrapper.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 int pyop_func_compare( BPy_OperatorFunc * a, BPy_OperatorFunc * b )
{
return (strcmp(a->name, b->name)==0) ? 0 : -1;
}
/*----------------------repr--------------------------------------------*/
static PyObject *pyop_base_repr( BPy_OperatorBase * self )
{
return PyUnicode_FromFormat( "[BPy_OperatorBase]");
}
static PyObject *pyop_func_repr( BPy_OperatorFunc * self )
{
return PyUnicode_FromFormat( "[BPy_OperatorFunc \"%s\"]", self->name);
}
//---------------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= pyop_func_CreatePyObject(self->C, name);
}
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;
}
/* getseter's */
PyObject *pyop_func_get_rna(BPy_OperatorFunc *self)
{
BPy_StructRNA *pyrna;
PointerRNA ptr;
wmOperatorType *ot;
ot= WM_operatortype_find(self->name);
if (ot == NULL) {
PyErr_SetString( PyExc_SystemError, "Operator could not be found");
return NULL;
}
pyrna= (BPy_StructRNA *)pyrna_struct_CreatePyObject(&ptr); /* were not really using &ptr, overwite next */
/* XXX POINTER - if this 'ot' is python generated, it could be free'd */
RNA_pointer_create(NULL, NULL, ot->srna, &pyrna->properties, &pyrna->ptr);
return (PyObject *)pyrna;
}
static PyGetSetDef pyop_func_getseters[] = {
{"rna", (getter)pyop_func_get_rna, (setter)NULL, "Operator RNA properties", NULL},
{NULL,NULL,NULL,NULL,NULL} /* Sentinel */
};
static PyObject * pyop_func_call(BPy_OperatorFunc * self, PyObject *args, PyObject *kw)
{
wmOperatorType *ot;
int error_val = 0;
PointerRNA ptr;
char *report_str= NULL;
if (PyTuple_Size(args)) {
PyErr_SetString( PyExc_AttributeError, "All operator args must be keywords");
return NULL;
}
ot= WM_operatortype_find(self->name);
if (ot == NULL) {
PyErr_SetString( PyExc_SystemError, "Operator could not be found");
return NULL;
}
WM_operator_properties_create(&ptr, self->name);
error_val= PYOP_props_from_dict(&ptr, kw);
if (error_val==0) {
ReportList reports;
BKE_reports_init(&reports, RPT_STORE);
WM_operator_name_call(self->C, self->name, WM_OP_EXEC_DEFAULT, &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", self->name);
return NULL;
}
WM_operator_name_call(self->C, self->name, WM_OP_EXEC_DEFAULT, NULL);
}
#endif
if (error_val==-1) {
return NULL;
}
Py_RETURN_NONE;
}
PyObject *pyop_base_dir(PyObject *self);
static struct PyMethodDef pyop_base_methods[] = {
{"add", (PyCFunction)PYOP_wrap_add, METH_VARARGS, ""},
{"remove", (PyCFunction)PYOP_wrap_remove, METH_VARARGS, ""},
{"__dir__", (PyCFunction)pyop_base_dir, METH_NOARGS, ""},
{NULL, NULL, 0, NULL}
};
PyObject *pyop_base_dir(PyObject *self)
{
PyObject *ret = PyList_New(0);
PyObject *item;
wmOperatorType *ot;
PyMethodDef *meth;
for(ot= WM_operatortype_first(); ot; ot= ot->next) {
item = PyUnicode_FromString( ot->idname );
PyList_Append(ret, item);
Py_DECREF(item);
}
for(meth=pyop_base_methods; meth->ml_name; meth++) {
item = PyUnicode_FromString( meth->ml_name );
PyList_Append(ret, item);
Py_DECREF(item);
}
return ret;
}
/*-----------------------BPy_OperatorBase method def------------------------------*/
PyTypeObject pyop_base_Type = {
#if (PY_VERSION_HEX >= 0x02060000)
PyVarObject_HEAD_INIT(&PyType_Type, 0)
#else
/* python 2.5 and below */
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
#endif
"Operator", /* tp_name */
sizeof( BPy_OperatorBase ), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
NULL, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
NULL, /* tp_compare */
( reprfunc ) pyop_base_repr, /* tp_repr */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
NULL, /* PySequenceMethods *tp_as_sequence; */
NULL, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
NULL, /* hashfunc tp_hash; */
NULL, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
( getattrofunc )pyop_base_getattro, /*PyObject_GenericGetAttr - MINGW Complains, assign later */ /* getattrofunc tp_getattro; */
NULL, /*PyObject_GenericSetAttr - MINGW Complains, assign later */ /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
pyop_base_methods, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
NULL, /* struct PyGetSetDef *tp_getset; */
NULL, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
NULL, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
/*-----------------------BPy_OperatorBase method def------------------------------*/
PyTypeObject pyop_func_Type = {
#if (PY_VERSION_HEX >= 0x02060000)
PyVarObject_HEAD_INIT(&PyType_Type, 0)
#else
/* python 2.5 and below */
PyObject_HEAD_INIT( NULL ) /* required py macro */
0, /* ob_size */
#endif
"OperatorFunc", /* tp_name */
sizeof( BPy_OperatorFunc ), /* tp_basicsize */
0, /* tp_itemsize */
/* methods */
NULL, /* tp_dealloc */
NULL, /* printfunc tp_print; */
NULL, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
( cmpfunc ) pyop_func_compare, /* tp_compare */
( reprfunc ) pyop_func_repr, /* tp_repr */
/* Method suites for standard classes */
NULL, /* PyNumberMethods *tp_as_number; */
NULL, /* PySequenceMethods *tp_as_sequence; */
NULL, /* PyMappingMethods *tp_as_mapping; */
/* More standard operations (here for binary compatibility) */
NULL, /* hashfunc tp_hash; */
(ternaryfunc)pyop_func_call, /* ternaryfunc tp_call; */
NULL, /* reprfunc tp_str; */
NULL, /* getattrofunc tp_getattro; */
NULL, /*PyObject_GenericSetAttr - MINGW Complains, assign later */ /* setattrofunc tp_setattro; */
/* Functions to access object as input/output buffer */
NULL, /* PyBufferProcs *tp_as_buffer; */
/*** Flags to define presence of optional/expanded features ***/
Py_TPFLAGS_DEFAULT, /* long tp_flags; */
NULL, /* char *tp_doc; Documentation string */
/*** Assigned meaning in release 2.0 ***/
/* call function for all accessible objects */
NULL, /* traverseproc tp_traverse; */
/* delete references to contained objects */
NULL, /* inquiry tp_clear; */
/*** Assigned meaning in release 2.1 ***/
/*** rich comparisons ***/
NULL, /* richcmpfunc tp_richcompare; */
/*** weak reference enabler ***/
0, /* long tp_weaklistoffset; */
/*** Added in release 2.2 ***/
/* Iterators */
NULL, /* getiterfunc tp_iter; */
NULL, /* iternextfunc tp_iternext; */
/*** Attribute descriptor and subclassing stuff ***/
NULL, /* struct PyMethodDef *tp_methods; */
NULL, /* struct PyMemberDef *tp_members; */
pyop_func_getseters, /* struct PyGetSetDef *tp_getset; */
NULL, /* struct _typeobject *tp_base; */
NULL, /* PyObject *tp_dict; */
NULL, /* descrgetfunc tp_descr_get; */
NULL, /* descrsetfunc tp_descr_set; */
0, /* long tp_dictoffset; */
NULL, /* initproc tp_init; */
NULL, /* allocfunc tp_alloc; */
NULL, /* newfunc tp_new; */
/* Low-level free-memory routine */
NULL, /* freefunc tp_free; */
/* For PyObject_IS_GC */
NULL, /* inquiry tp_is_gc; */
NULL, /* PyObject *tp_bases; */
/* method resolution order */
NULL, /* PyObject *tp_mro; */
NULL, /* PyObject *tp_cache; */
NULL, /* PyObject *tp_subclasses; */
NULL, /* PyObject *tp_weaklist; */
NULL
};
PyObject *pyop_base_CreatePyObject( bContext *C )
{
BPy_OperatorBase *pyop;
pyop = ( BPy_OperatorBase * ) PyObject_NEW( BPy_OperatorBase, &pyop_base_Type );
if( !pyop ) {
PyErr_SetString( PyExc_MemoryError, "couldn't create BPy_OperatorBase object" );
return NULL;
}
pyop->C = C; /* TODO - copy this? */
return ( PyObject * ) pyop;
}
PyObject *pyop_func_CreatePyObject( bContext *C, char *name )
{
BPy_OperatorFunc *pyop;
pyop = ( BPy_OperatorFunc * ) PyObject_NEW( BPy_OperatorFunc, &pyop_func_Type );
if( !pyop ) {
PyErr_SetString( PyExc_MemoryError, "couldn't create BPy_OperatorFunc object" );
return NULL;
}
strcpy(pyop->name, name);
pyop->C= C; /* TODO - how should contexts be dealt with? */
return ( PyObject * ) pyop;
}
PyObject *BPY_operator_module( bContext *C )
{
if( PyType_Ready( &pyop_base_Type ) < 0 )
return NULL;
if( PyType_Ready( &pyop_func_Type ) < 0 )
return NULL;
//submodule = Py_InitModule3( "operator", M_rna_methods, "rna module" );
return pyop_base_CreatePyObject(C);
}
|