Function Vector_ass_subscript

source/blender/python/mathutils/mathutils_Vector.cc:2013–2043

Sequence generic subscript (set): `object[...] = x`. */

/** Sequence generic subscript (set): `object[...] = x`. */
static int Vector_ass_subscript(VectorObject *self, PyObject *item, PyObject *value)
{
  if (PyIndex_Check(item)) {
    Py_ssize_t i = PyNumber_AsSsize_t(item, PyExc_IndexError);
    if (i == -1 && PyErr_Occurred()) {
      return -1;
    }
    if (i < 0) {
      i += self->vec_num;
    }
    return Vector_ass_item(self, i, value);
  }
  if (PySlice_Check(item)) {
    Py_ssize_t start, stop, step, slicelength;

    if (PySlice_GetIndicesEx(item, self->vec_num, &start, &stop, &step, &slicelength) < 0) {
      return -1;
    }

    if (step == 1) {
      return Vector_ass_slice(self, start, stop, value);
    }

    PyErr_SetString(PyExc_IndexError, "slice steps not supported with vectors");
    return -1;
  }

  PyErr_Format(
      PyExc_TypeError, "vector indices must be integers, not %.200s", Py_TYPE(item)->tp_name);
  return -1;
}

/** \} */