diff options
Diffstat (limited to 'source/blender/python')
| -rw-r--r-- | source/blender/python/intern/bpy_rna.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/source/blender/python/intern/bpy_rna.c b/source/blender/python/intern/bpy_rna.c index c32ef3e6624..92230ece35e 100644 --- a/source/blender/python/intern/bpy_rna.c +++ b/source/blender/python/intern/bpy_rna.c @@ -5424,6 +5424,174 @@ static PyObject *pyrna_prop_collection_foreach_set(BPy_PropertyRNA *self, PyObje return foreach_getset(self, args, 1); } +static PyObject *pyprop_array_foreach_getset(BPy_PropertyArrayRNA *self, + PyObject *args, + const bool do_set) +{ + PyObject *item = NULL; + Py_ssize_t i, seq_size, size; + void *array = NULL; + PropertyType prop_type = RNA_property_type(self->prop); + + /* Get/set both take the same args currently. */ + PyObject *seq; + + if (prop_type != PROP_INT && prop_type != PROP_FLOAT) { + PyErr_Format(PyExc_TypeError, "foreach_get/set available only for int and float"); + return NULL; + } + + if (!PyArg_ParseTuple(args, "O:foreach_get/set", &seq)) { + return NULL; + } + + if (!PySequence_Check(seq) && PyObject_CheckBuffer(seq)) { + PyErr_Format( + PyExc_TypeError, + "foreach_get/set expected second argument to be a sequence or buffer, not a %.200s", + Py_TYPE(seq)->tp_name); + return NULL; + } + + size = pyrna_prop_array_length(self); + seq_size = PySequence_Size(seq); + + if (size != seq_size) { + PyErr_Format(PyExc_TypeError, "expected sequence size %d, got %d", size, seq_size); + return NULL; + } + + Py_buffer buf; + if (PyObject_GetBuffer(seq, &buf, PyBUF_SIMPLE | PyBUF_FORMAT) == -1) { + PyErr_Clear(); + + switch (prop_type) { + case PROP_INT: + array = PyMem_Malloc(sizeof(int) * size); + if (do_set) { + for (i = 0; i < size; i++) { + item = PySequence_GetItem(seq, i); + ((int *)array)[i] = (int)PyLong_AsLong(item); + Py_DECREF(item); + } + + RNA_property_int_set_array(&self->ptr, self->prop, array); + } + else { + RNA_property_int_get_array(&self->ptr, self->prop, array); + + for (i = 0; i < size; i++) { + item = PyLong_FromLong((long)((int *)array)[i]); + PySequence_SetItem(seq, i, item); + Py_DECREF(item); + } + } + + break; + case PROP_FLOAT: + array = PyMem_Malloc(sizeof(float) * size); + if (do_set) { + for (i = 0; i < size; i++) { + item = PySequence_GetItem(seq, i); + ((float *)array)[i] = (float)PyFloat_AsDouble(item); + Py_DECREF(item); + } + + RNA_property_float_set_array(&self->ptr, self->prop, array); + } + else { + RNA_property_float_get_array(&self->ptr, self->prop, array); + + for (i = 0; i < size; i++) { + item = PyFloat_FromDouble((double)((float *)array)[i]); + PySequence_SetItem(seq, i, item); + Py_DECREF(item); + } + } + break; + case PROP_BOOLEAN: + case PROP_STRING: + case PROP_ENUM: + case PROP_POINTER: + case PROP_COLLECTION: + /* Should never happen. */ + BLI_assert(false); + break; + } + + PyMem_Free(array); + + if (PyErr_Occurred()) { + /* Maybe we could make our own error. */ + PyErr_Print(); + PyErr_SetString(PyExc_TypeError, "couldn't access the py sequence"); + return NULL; + } + } + else { + char f = buf.format ? buf.format[0] : 0; + if ((prop_type == PROP_INT && (buf.itemsize != sizeof(int) || (f != 'l' && f != 'i'))) || + (prop_type == PROP_FLOAT && (buf.itemsize != sizeof(float) || f != 'f'))) { + PyBuffer_Release(&buf); + PyErr_Format(PyExc_TypeError, "incorrect sequence item type: %s", buf.format); + return NULL; + } + + switch (prop_type) { + case PROP_INT: + if (do_set) { + RNA_property_int_set_array(&self->ptr, self->prop, buf.buf); + } + else { + RNA_property_int_get_array(&self->ptr, self->prop, buf.buf); + } + break; + case PROP_FLOAT: + if (do_set) { + RNA_property_float_set_array(&self->ptr, self->prop, buf.buf); + } + else { + RNA_property_float_get_array(&self->ptr, self->prop, buf.buf); + } + break; + case PROP_BOOLEAN: + case PROP_STRING: + case PROP_ENUM: + case PROP_POINTER: + case PROP_COLLECTION: + /* Should never happen. */ + BLI_assert(false); + break; + } + + PyBuffer_Release(&buf); + } + + Py_RETURN_NONE; +} + +PyDoc_STRVAR(pyrna_prop_array_foreach_get_doc, + ".. method:: foreach_get(seq)\n" + "\n" + " This is a function to give fast access to array data.\n"); +static PyObject *pyrna_prop_array_foreach_get(BPy_PropertyArrayRNA *self, PyObject *args) +{ + PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self); + + return pyprop_array_foreach_getset(self, args, false); +} + +PyDoc_STRVAR(pyrna_prop_array_foreach_set_doc, + ".. method:: foreach_set(seq)\n" + "\n" + " This is a function to give fast access to array data.\n"); +static PyObject *pyrna_prop_array_foreach_set(BPy_PropertyArrayRNA *self, PyObject *args) +{ + PYRNA_PROP_CHECK_OBJ((BPy_PropertyRNA *)self); + + return pyprop_array_foreach_getset(self, args, true); +} + /* A bit of a kludge, make a list out of a collection or array, * then return the list's iter function, not especially fast, but convenient for now. */ static PyObject *pyrna_prop_array_iter(BPy_PropertyArrayRNA *self) @@ -5572,6 +5740,15 @@ static struct PyMethodDef pyrna_prop_methods[] = { }; static struct PyMethodDef pyrna_prop_array_methods[] = { + {"foreach_get", + (PyCFunction)pyrna_prop_array_foreach_get, + METH_VARARGS, + pyrna_prop_array_foreach_get_doc}, + {"foreach_set", + (PyCFunction)pyrna_prop_array_foreach_set, + METH_VARARGS, + pyrna_prop_array_foreach_set_doc}, + {NULL, NULL, 0, NULL}, }; |