Issue #15424: Add a __sizeof__ implementation for array objects.
Patch by Ludwig Hähne.
diff --git a/Modules/arraymodule.c b/Modules/arraymodule.c
index a860f57..5a92862 100644
--- a/Modules/arraymodule.c
+++ b/Modules/arraymodule.c
@@ -1533,6 +1533,19 @@
PyDoc_STRVAR(reduce_doc, "Return state information for pickling.");
static PyObject *
+array_sizeof(arrayobject *self, PyObject *unused)
+{
+ Py_ssize_t res;
+ res = sizeof(arrayobject) + self->allocated * self->ob_descr->itemsize;
+ return PyLong_FromSsize_t(res);
+}
+
+PyDoc_STRVAR(sizeof_doc,
+"__sizeof__() -> int\n\
+\n\
+Size of the array in memory, in bytes.");
+
+static PyObject *
array_get_typecode(arrayobject *a, void *closure)
{
char tc = a->ob_descr->typecode;
@@ -1606,6 +1619,8 @@
#endif
{"write", (PyCFunction)array_tofile_as_write, METH_O,
tofile_doc},
+ {"__sizeof__", (PyCFunction)array_sizeof, METH_NOARGS,
+ sizeof_doc},
{NULL, NULL} /* sentinel */
};
