Added additional __sizeof__ implementations and addressed comments made in
Issue3122.
diff --git a/Objects/setobject.c b/Objects/setobject.c
index f3eea21..39465f3 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1956,6 +1956,18 @@
PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
+static PyObject *
+set_sizeof(PySetObject *so)
+{
+ Py_ssize_t res;
+
+ res = sizeof(PySetObject);
+ if (so->table != so->smalltable)
+ res = res + (so->mask + 1) * sizeof(setentry);
+ return PyInt_FromSsize_t(res);
+}
+
+PyDoc_STRVAR(sizeof_doc, "S.__sizeof__() -> size of S in memory, in bytes");
static int
set_init(PySetObject *self, PyObject *args, PyObject *kwds)
{
@@ -2023,6 +2035,8 @@
reduce_doc},
{"remove", (PyCFunction)set_remove, METH_O,
remove_doc},
+ {"__sizeof__", (PyCFunction)set_sizeof, METH_NOARGS,
+ sizeof_doc},
{"symmetric_difference",(PyCFunction)set_symmetric_difference, METH_O,
symmetric_difference_doc},
{"symmetric_difference_update",(PyCFunction)set_symmetric_difference_update, METH_O,
@@ -2144,6 +2158,8 @@
issuperset_doc},
{"__reduce__", (PyCFunction)set_reduce, METH_NOARGS,
reduce_doc},
+ {"__sizeof__", (PyCFunction)set_sizeof, METH_NOARGS,
+ sizeof_doc},
{"symmetric_difference",(PyCFunction)set_symmetric_difference, METH_O,
symmetric_difference_doc},
{"union", (PyCFunction)set_union, METH_VARARGS,