diff options
Diffstat (limited to 'Objects/bytesobject.c')
-rw-r--r-- | Objects/bytesobject.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Objects/bytesobject.c b/Objects/bytesobject.c index 1d2fed7..0b95fdf 100644 --- a/Objects/bytesobject.c +++ b/Objects/bytesobject.c @@ -3074,9 +3074,43 @@ striter_len(striterobject *it) PyDoc_STRVAR(length_hint_doc, "Private method returning an estimate of len(list(it))."); +static PyObject * +striter_reduce(striterobject *it) +{ + if (it->it_seq != NULL) { + return Py_BuildValue("N(O)n", _PyIter_GetBuiltin("iter"), + it->it_seq, it->it_index); + } else { + PyObject *u = PyUnicode_FromUnicode(NULL, 0); + if (u == NULL) + return NULL; + return Py_BuildValue("N(N)", _PyIter_GetBuiltin("iter"), u); + } +} + +PyDoc_STRVAR(reduce_doc, "Return state information for pickling."); + +static PyObject * +striter_setstate(striterobject *it, PyObject *state) +{ + Py_ssize_t index = PyLong_AsSsize_t(state); + if (index == -1 && PyErr_Occurred()) + return NULL; + if (index < 0) + index = 0; + it->it_index = index; + Py_RETURN_NONE; +} + +PyDoc_STRVAR(setstate_doc, "Set state information for unpickling."); + static PyMethodDef striter_methods[] = { {"__length_hint__", (PyCFunction)striter_len, METH_NOARGS, length_hint_doc}, + {"__reduce__", (PyCFunction)striter_reduce, METH_NOARGS, + reduce_doc}, + {"__setstate__", (PyCFunction)striter_setstate, METH_O, + setstate_doc}, {NULL, NULL} /* sentinel */ }; |