Issue #15424: Add a __sizeof__ implementation for array objects.

Patch by Ludwig Hähne.
This commit is contained in:
Meador Inge 2012-08-10 23:21:39 -05:00
commit 80dd1af4e0
4 changed files with 32 additions and 0 deletions

View file

@ -1567,6 +1567,19 @@ array.tobytes().decode() to obtain a unicode string from\n\
an array of some other type.");
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.");
/*********************** Pickling support ************************/
@ -2143,6 +2156,8 @@ static PyMethodDef array_methods[] = {
tobytes_doc},
{"tounicode", (PyCFunction)array_tounicode, METH_NOARGS,
tounicode_doc},
{"__sizeof__", (PyCFunction)array_sizeof, METH_NOARGS,
sizeof_doc},
{NULL, NULL} /* sentinel */
};