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-rw-r--r--Objects/setobject.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/Objects/setobject.c b/Objects/setobject.c
index 461fee6..79598f2 100644
--- a/Objects/setobject.c
+++ b/Objects/setobject.c
@@ -1944,6 +1944,18 @@ done:
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 PyLong_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)
{
@@ -2011,6 +2023,8 @@ static PyMethodDef set_methods[] = {
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,
@@ -2127,6 +2141,8 @@ static PyMethodDef frozenset_methods[] = {
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,