PyRNA - can write variables now (float, int, bool, enums, strings - but not pointers, RNA limitation too).

also fixed reading enums.
This commit is contained in:
2008-11-29 17:58:17 +00:00
parent 3b59a18f53
commit 2ff4ac139b

View File

@@ -84,13 +84,22 @@ static PyObject * pyrna_prop_to_py(PointerRNA *ptr, PropertyRNA *prop)
case PROP_ENUM:
{
const EnumPropertyItem *item;
int totitem;
int totitem, i, val;
val = RNA_property_enum_get(ptr, prop);
RNA_property_enum_items(ptr, prop, &item, &totitem);
ret = PyUnicode_FromString( item->identifier );
if (ret==NULL) {
for (i=0; i<totitem; i++) {
if (item[i].value == val)
break;
}
if (i<totitem) {
ret = PyUnicode_FromString( item[i].identifier );
} else {
PyErr_SetString(PyExc_AttributeError, "enum not found");
ret = NULL;
}
break;
@@ -111,7 +120,7 @@ static PyObject * pyrna_prop_to_py(PointerRNA *ptr, PropertyRNA *prop)
ret = pyrna_prop_CreatePyObject(ptr, prop);
break;
default:
printf("Warning, unsupported type %d\n", type);
PyErr_SetString(PyExc_AttributeError, "unknown type (pyrna_prop_to_py)");
ret = NULL;
break;
}
@@ -119,6 +128,117 @@ static PyObject * pyrna_prop_to_py(PointerRNA *ptr, PropertyRNA *prop)
return ret;
}
static int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, PyObject *value)
{
int ret = 0;
int type = RNA_property_type(ptr, prop);
int len = RNA_property_array_length(ptr, prop);
/* resolve path */
if (len > 0) {
/* resolve the array from a new pytype */
PyErr_SetString(PyExc_TypeError, "array type, cant assign");
return -1;
}
/* see if we can coorce into a python type - PropertyType */
switch (type) {
case PROP_BOOLEAN:
{
int param = PyObject_IsTrue( value );
if( param == -1 ) {
PyErr_SetString(PyExc_TypeError, "expected True/False or 0/1");
ret = -1;
} else {
RNA_property_boolean_set(ptr, prop, param);
}
break;
}
case PROP_INT:
{
int param = PyLong_AsSsize_t(value);
if (PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected an int type");
ret = -1;
} else {
RNA_property_int_set(ptr, prop, param);
}
break;
}
case PROP_FLOAT:
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float type");
ret = -1;
} else {
RNA_property_float_set(ptr, prop, param);
}
break;
}
case PROP_STRING:
{
char *param = _PyUnicode_AsString(value);
if (param==NULL) {
PyErr_SetString(PyExc_TypeError, "expected a string type");
ret = -1;
} else {
RNA_property_string_set(ptr, prop, param);
}
break;
}
case PROP_ENUM:
{
char *param = _PyUnicode_AsString(value);
if (param==NULL) {
PyErr_SetString(PyExc_TypeError, "expected a string type");
ret = -1;
} else {
const EnumPropertyItem *item;
int totitem, i, val;
RNA_property_enum_items(ptr, prop, &item, &totitem);
for (i=0; i<totitem; i++) {
if (strcmp(item[i].identifier, param)==0) {
val = item[i].value;
break;
}
}
if (i<totitem) {
RNA_property_enum_set(ptr, prop, val);
} else {
PyErr_Format(PyExc_AttributeError, "enum \"%s\" not found", param);
ret = -1;
}
}
break;
}
case PROP_POINTER:
{
PyErr_SetString(PyExc_AttributeError, "cant assign pointers yet");
ret = -1;
break;
}
case PROP_COLLECTION:
PyErr_SetString(PyExc_AttributeError, "cant assign to collections");
break;
default:
PyErr_SetString(PyExc_AttributeError, "unknown property type (pyrna_py_to_prop)");
ret = -1;
break;
}
return ret;
}
static PyObject * pyrna_prop_to_py_index(PointerRNA *ptr, PropertyRNA *prop, int index)
{
PyObject *ret;
@@ -146,6 +266,57 @@ static PyObject * pyrna_prop_to_py_index(PointerRNA *ptr, PropertyRNA *prop, int
return ret;
}
static int pyrna_py_to_prop_index(PointerRNA *ptr, PropertyRNA *prop, int index, PyObject *value)
{
int ret = 0;
int type = RNA_property_type(ptr, prop);
/* resolve path */
/* see if we can coorce into a python type - PropertyType */
switch (type) {
case PROP_BOOLEAN:
{
int param = PyObject_IsTrue( value );
if( param == -1 ) {
PyErr_SetString(PyExc_TypeError, "expected True/False or 0/1");
ret = -1;
} else {
RNA_property_boolean_set_array(ptr, prop, index, param);
}
break;
}
case PROP_INT:
{
int param = PyLong_AsSsize_t(value);
if (PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected an int type");
ret = -1;
} else {
RNA_property_int_set_array(ptr, prop, index, param);
}
break;
}
case PROP_FLOAT:
{
float param = PyFloat_AsDouble(value);
if (PyErr_Occurred()) {
PyErr_SetString(PyExc_TypeError, "expected a float type");
ret = -1;
} else {
RNA_property_float_set_array(ptr, prop, index, param);
}
break;
}
default:
PyErr_SetString(PyExc_AttributeError, "not an array type");
ret = -1;
break;
}
return ret;
}
//---------------sequence-------------------------------------------
static Py_ssize_t pyrna_prop_len( BPy_PropertyRNA * self )
@@ -216,10 +387,53 @@ static PyObject *pyrna_prop_subscript( BPy_PropertyRNA * self, PyObject *key )
return ret;
}
static int pyrna_prop_assign_subscript( BPy_PropertyRNA * self, PyObject *key, PyObject *value )
{
int ret = 0;
int keynum;
char *keyname = NULL;
if (PyUnicode_Check(key)) {
keyname = _PyUnicode_AsString(key);
} else if (PyLong_Check(key)) {
keynum = PyLong_AsSsize_t(key);
} else {
PyErr_SetString(PyExc_AttributeError, "invalid key, key must be a string or an int");
return -1;
}
if (RNA_property_type(&self->ptr, self->prop) == PROP_COLLECTION) {
PyErr_SetString(PyExc_AttributeError, "assignment is not supported for collections (yet)");
ret = -1;
} else if (keyname) {
PyErr_SetString(PyExc_AttributeError, "string keys are only supported for collections");
ret = -1;
} else {
int len = RNA_property_array_length(&self->ptr, self->prop);
if (len==0) { /* not an array*/
PyErr_Format(PyExc_AttributeError, "not an array or collection %d", keynum);
ret = -1;
}
if (keynum >= len){
PyErr_SetString(PyExc_AttributeError, "index out of range");
ret = -1;
} else { /* not an array*/
ret = pyrna_py_to_prop_index(&self->ptr, self->prop, keynum, value);
}
}
return ret;
}
static PyMappingMethods pyrna_prop_as_mapping = {
( inquiry ) pyrna_prop_len, /* mp_length */
( binaryfunc ) pyrna_prop_subscript, /* mp_subscript */
( objobjargproc ) 0, /* mp_ass_subscript */
( objobjargproc ) pyrna_prop_assign_subscript, /* mp_ass_subscript */
};
//---------------getattr--------------------------------------------
@@ -257,18 +471,32 @@ static PyObject *pyrna_struct_getattr( BPy_StructRNA * self, char *name )
ret = NULL;
} else {
ret = pyrna_prop_to_py(&self->ptr, prop);
if (ret==NULL) {
PyErr_Format( PyExc_AttributeError, "Attribute \"%s\" could not be converted to a python type", name);
}
}
}
return ret;
}
//--------------- setattr-------------------------------------------
static int pyrna_struct_setattr( BPy_StructRNA * self, char *name, PyObject * value )
{
int ret = 0;
PropertyRNA *prop;
prop = RNA_struct_find_property(&self->ptr, name);
if (prop==NULL) {
PyErr_Format( PyExc_AttributeError, "Attribute \"%s\" not found", name);
ret = -1;
} else {
/* pyrna_py_to_prop sets its own exceptions */
ret = pyrna_py_to_prop(&self->ptr, prop, value);
}
return ret;
}
PyObject *pyrna_prop_keys(BPy_PropertyRNA *self)
{
PyObject *ret;
@@ -397,8 +625,8 @@ PyTypeObject pyrna_struct_Type = {
/* methods */
NULL, /* tp_dealloc */
NULL, /* printfunc tp_print; */
( getattrfunc ) pyrna_struct_getattr, /* getattrfunc tp_getattr; */
NULL, /* setattrfunc tp_setattr; */
( getattrfunc ) pyrna_struct_getattr, /* getattrfunc tp_getattr; */
( setattrfunc ) pyrna_struct_setattr, /* setattrfunc tp_setattr; */
( cmpfunc ) pyrna_struct_compare, /* tp_compare */
( reprfunc ) pyrna_struct_repr, /* tp_repr */