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bytestring support for py/rna - this is so py can access data which

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isn't meant to be accessed as unicode text.
This commit is contained in:
Campbell Barton
2011-11-15 07:09:41 +00:00
parent 8a0da0b59e
commit d6c1009195
5 changed files with 104 additions and 46 deletions
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1
source/blender/python/intern/bpy_props.c
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@@ -74,6 +74,7 @@ static EnumPropertyItem property_subtype_string_items[]= {
{PROP_FILEPATH, "FILE_PATH", 0, "File Path", ""},
{PROP_DIRPATH, "DIR_PATH", 0, "Directory Path", ""},
{PROP_FILENAME, "FILENAME", 0, "Filename", ""},
{PROP_BYTESTRING, "BYTE_STRING", 0, "Byte String", ""},
{PROP_TRANSLATE, "TRANSLATE", 0, "Translate", ""},
{PROP_NONE, "NONE", 0, "None", ""},

142
source/blender/python/intern/bpy_rna.c
View File

@@ -1328,14 +1328,22 @@ PyObject *pyrna_prop_to_py(PointerRNA *ptr, PropertyRNA *prop)
buf= RNA_property_string_get_alloc(ptr, prop, buf_fixed, sizeof(buf_fixed), &buf_len);
#ifdef USE_STRING_COERCE
/* only file paths get special treatment, they may contain non utf-8 chars */
if (ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
if (subtype == PROP_BYTESTRING) {
ret= PyBytes_FromStringAndSize(buf, buf_len);
}
else if (ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
ret= PyC_UnicodeFromByteAndSize(buf, buf_len);
}
else {
ret= PyUnicode_FromStringAndSize(buf, buf_len);
}
#else // USE_STRING_COERCE
ret= PyUnicode_FromStringAndSize(buf, buf_len);
if (subtype == PROP_BYTESTRING) {
ret= PyBytes_FromStringAndSize(buf, buf_len);
}
else {
ret= PyUnicode_FromStringAndSize(buf, buf_len);
}
#endif // USE_STRING_COERCE
if (buf_fixed != buf) {
MEM_freeN((void *)buf);
@@ -1534,53 +1542,91 @@ static int pyrna_py_to_prop(PointerRNA *ptr, PropertyRNA *prop, void *data, PyOb
}
case PROP_STRING:
{
const char *param;
#ifdef USE_STRING_COERCE
PyObject *value_coerce= NULL;
int subtype= RNA_property_subtype(prop);
if (ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
/* TODO, get size */
param= PyC_UnicodeAsByte(value, &value_coerce);
}
else {
param= _PyUnicode_AsString(value);
#ifdef WITH_INTERNATIONAL
if (subtype == PROP_TRANSLATE) {
param= IFACE_(param);
}
#endif // WITH_INTERNATIONAL
const char *param;
}
#else // USE_STRING_COERCE
param= _PyUnicode_AsString(value);
#endif // USE_STRING_COERCE
if (subtype == PROP_BYTESTRING) {
if (param==NULL) {
if (PyUnicode_Check(value)) {
/* there was an error assigning a string type,
* rather than setting a new error, prefix the existing one
*/
PyC_Err_Format_Prefix(PyExc_TypeError,
"%.200s %.200s.%.200s error assigning string",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
/* Byte String */
param= PyBytes_AsString(value);
if (param==NULL) {
if (PyBytes_Check(value)) {
/* there was an error assigning a string type,
* rather than setting a new error, prefix the existing one
*/
PyC_Err_Format_Prefix(PyExc_TypeError,
"%.200s %.200s.%.200s error assigning bytes",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a bytes type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
}
return -1;
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a string type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
/* same as unicode */
if (data) *((char**)data)= (char *)param; /*XXX, this is suspect but needed for function calls, need to see if theres a better way */
else RNA_property_string_set(ptr, prop, param);
}
return -1;
}
else {
if (data) *((char**)data)= (char *)param; /*XXX, this is suspect but needed for function calls, need to see if theres a better way */
else RNA_property_string_set(ptr, prop, param);
}
/* Unicode String */
#ifdef USE_STRING_COERCE
Py_XDECREF(value_coerce);
PyObject *value_coerce= NULL;
if (ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
/* TODO, get size */
param= PyC_UnicodeAsByte(value, &value_coerce);
}
else {
param= _PyUnicode_AsString(value);
#ifdef WITH_INTERNATIONAL
if (subtype == PROP_TRANSLATE) {
param= IFACE_(param);
}
#endif // WITH_INTERNATIONAL
}
#else // USE_STRING_COERCE
param= _PyUnicode_AsString(value);
#endif // USE_STRING_COERCE
if (param==NULL) {
if (PyUnicode_Check(value)) {
/* there was an error assigning a string type,
* rather than setting a new error, prefix the existing one
*/
PyC_Err_Format_Prefix(PyExc_TypeError,
"%.200s %.200s.%.200s error assigning string",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop));
}
else {
PyErr_Format(PyExc_TypeError,
"%.200s %.200s.%.200s expected a string type, not %.200s",
error_prefix, RNA_struct_identifier(ptr->type),
RNA_property_identifier(prop), Py_TYPE(value)->tp_name);
}
return -1;
}
else {
/* same as bytes */
if (data) *((char**)data)= (char *)param; /*XXX, this is suspect but needed for function calls, need to see if theres a better way */
else RNA_property_string_set(ptr, prop, param);
}
#ifdef USE_STRING_COERCE
Py_XDECREF(value_coerce);
#endif // USE_STRING_COERCE
}
break;
}
case PROP_ENUM:
@@ -2751,7 +2797,7 @@ static int pyrna_struct_ass_subscript(BPy_StructRNA *self, PyObject *key, PyObje
if (rna_disallow_writes && rna_id_write_error(&self->ptr, key)) {
return -1;
}
#endif // USE_STRING_COERCE
#endif // USE_PEDANTIC_WRITE
if (group==NULL) {
PyErr_SetString(PyExc_TypeError, "bpy_struct[key]= val: id properties not supported for this type");
@@ -3440,7 +3486,7 @@ static int pyrna_struct_setattro(BPy_StructRNA *self, PyObject *pyname, PyObject
if (rna_disallow_writes && rna_id_write_error(&self->ptr, pyname)) {
return -1;
}
#endif // USE_STRING_COERCE
#endif // USE_PEDANTIC_WRITE
if (name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_struct: __setattr__ must be a string");
@@ -3600,7 +3646,7 @@ static int pyrna_prop_collection_setattro(BPy_PropertyRNA *self, PyObject *pynam
if (rna_disallow_writes && rna_id_write_error(&self->ptr, pyname)) {
return -1;
}
#endif // USE_STRING_COERCE
#endif // USE_PEDANTIC_WRITE
if (name == NULL) {
PyErr_SetString(PyExc_AttributeError, "bpy_prop: __setattr__ must be a string");
@@ -4450,14 +4496,22 @@ static PyObject *pyrna_param_to_py(PointerRNA *ptr, PropertyRNA *prop, void *dat
data_ch= *(char **)data;
#ifdef USE_STRING_COERCE
if (ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
if (subtype == PROP_BYTESTRING) {
ret= PyBytes_FromString(data_ch);
}
else if (ELEM3(subtype, PROP_FILEPATH, PROP_DIRPATH, PROP_FILENAME)) {
ret= PyC_UnicodeFromByte(data_ch);
}
else {
ret= PyUnicode_FromString(data_ch);
}
#else
ret= PyUnicode_FromString(data_ch);
if (subtype == PROP_BYTESTRING) {
ret= PyBytes_FromString(buf);
}
else {
ret= PyUnicode_FromString(data_ch);
}
#endif
#ifdef USE_STRING_COERCE